332354 + Interview Questions in Secondary School in Math

1.	Write the three pairs if prime numbers between such that the sum of each pair is also a prime
Answer» Answer: the three pairs of PRIME numbers such that the SUM of each pair is also a prime number are :- ( 2,3 ) ( 2,5 ) ( 2,7 ) Step-by-step explanation: 1. ( 2,3 ) 2+3 = 5 5 is also a prime number. 2. ( 2,5 ) 2+5 = 7 7 is also a prime number. 3. ( 2,7 ) 2+7 = 9 9 is also a prime number. PLEASE MARK ME BRAINLIST !!

1.

Write the three pairs if prime numbers between such that the sum of each pair is also a prime

Answer»

Answer:

the three pairs of PRIME numbers such that the SUM of each pair is also a prime number are :-

( 2,3 )
( 2,5 )
( 2,7 )

Step-by-step explanation:

1. ( 2,3 )

2+3 = 5
5 is also a prime number.

2. ( 2,5 )

2+5 = 7
7 is also a prime number.

3. ( 2,7 )

2+7 = 9
9 is also a prime number.

PLEASE MARK ME BRAINLIST !!

Discussion

2.	Write quadratic polynomial, whose sum of product of the zerous are 3 and -2
Answer» → Sum of zeroes is 3 → Product of zeroes is -2 Formula for making quadratic polynomial $= > K[ x² - ( \alpha + \beta ) + \alpha × \beta ]$ $The \: required \: polynomial is= > K[ x² - 3x - 2 ]$

2.

Write quadratic polynomial, whose sum of product of the zerous are 3 and -2

Answer»

→ Sum of zeroes is 3

→ Product of zeroes is -2

Formula for making quadratic polynomial

$= > K[ x² - ( \alpha + \beta ) + \alpha × \beta ]$

$The \: required \: polynomial is= > K[ x² - 3x - 2 ]$

Discussion

3.	Is that right to say log 10 =log 2 ×log5?why?
Answer» Answer: LOG 10=log 2 X log 5=5x2=10 then log 10= log 2 × log 5= log 10

3.

Is that right to say log 10 =log 2 ×log5?why?

Answer»

Answer:

LOG 10=log 2 X log 5=5x2=10

then log 10= log 2 × log 5= log 10

Discussion

4.	काटकोन त्रिकोन PQR मध्ये बाजू PQ व बाजू PR यांचे मध्य बिंदू S व T चे आहे .जर ST =6.2 तर QR ची लांबी काढा
Answer» ANSWER: रज्ञतमतहतरजमज यभथमतरज य़थयतझक्षतझ

4.

काटकोन त्रिकोन PQR मध्ये बाजू PQ व बाजू PR यांचे मध्य बिंदू S व T चे आहे .जर ST =6.2 तर QR ची लांबी काढा

Answer»

ANSWER:

रज्ञतमतहतरजमज यभथमतरज य़थयतझक्षतझ

Discussion

5.	Q 1: Express 49 as a power with base 2.Q 2: What is the formula to calculate the compound interest?Q 3: How many vertices are there of a sphere?Q 4: The size of a plant cell is 0.00001275 m. express it in standaQ5: A group of students was asked for their favorite subject. THlisted as under:Art, Mathematics, Science, English, Mathematics, Art. English, MaArt, Science, Art, Science, Science, Mathematics, Art. English, Art.eeMathematics. Science, Art.Answer the following questions:(i) Which is the most liked subject?(ii) Which is the least liked subject?Q 6: Find the solution of 3x-4 = 12Q 7: Solve: 5x-9 = 8Q 8: A die is thrown. What is the probability of getting?(i) An even number?(ii) An odd number?(iii) A number between 3 and 6?Q 9: Convert the following ratios to percentages.(a) 3:4(b) 2:3(c) 1:5
Answer» Answer: 1 - 2⁴² mark me BRAINIEST

5.

Q 1: Express 49 as a power with base 2.Q 2: What is the formula to calculate the compound interest?Q 3: How many vertices are there of a sphere?Q 4: The size of a plant cell is 0.00001275 m. express it in standaQ5: A group of students was asked for their favorite subject. THlisted as under:Art, Mathematics, Science, English, Mathematics, Art. English, MaArt, Science, Art, Science, Science, Mathematics, Art. English, Art.eeMathematics. Science, Art.Answer the following questions:(i) Which is the most liked subject?(ii) Which is the least liked subject?Q 6: Find the solution of 3x-4 = 12Q 7: Solve: 5x-9 = 8Q 8: A die is thrown. What is the probability of getting?(i) An even number?(ii) An odd number?(iii) A number between 3 and 6?Q 9: Convert the following ratios to percentages.(a) 3:4(b) 2:3(c) 1:5

Answer»

Answer:

1 - 2⁴²

mark me BRAINIEST

Discussion

6.	For every 9 customers, the chef prepares 2 loaves of bread. How many customers are there if the chef prepares 20 loaves? no pictures please.
Answer» $\sf\red{✰Answer}$ 90 CUSTOMERS

6.

For every 9 customers, the chef prepares 2 loaves of bread. How many customers are there if the chef prepares 20 loaves? no pictures please.

Answer»

$\sf\red{✰Answer}$

90 CUSTOMERS

Discussion

7.	2) In triangle ABC,a=2, b=3, sin A = 3/2Find : B
Answer» I DON'T KNOW BRO SORRY BYY OK

7.

2) In triangle ABC,a=2, b=3, sin A = 3/2Find : B

Answer»

I DON'T KNOW BRO SORRY BYY OK

Discussion

8.	सही गलत का निशान लगाइए।1) 0 सबसे प्राकृत संख्या है2) 400 की पूर्ववर्ती संख्या 399 है3) 0 सबसे छोटी पूर्ण संख्या है4 600 की परवर्ती संख्या 599 है
Answer» Answer: गलत गलत सही सही Step-by-step EXPLANATION: PLEASE MARK ME BRAINLIEST AND THANKS MY ANSWER PLEASE FOLLOW

8.

सही गलत का निशान लगाइए।1) 0 सबसे प्राकृत संख्या है2) 400 की पूर्ववर्ती संख्या 399 है3) 0 सबसे छोटी पूर्ण संख्या है4 600 की परवर्ती संख्या 599 है

Answer»

Answer:

गलत

सही

Step-by-step EXPLANATION:

PLEASE MARK ME BRAINLIEST AND THANKS MY ANSWER

PLEASE FOLLOW

Discussion

9.	Find the value answer the question fast
Answer» $⇝(2x+ \frac{ 1 }{ 2 } )( \frac{ 3x }{ 2 } - \frac{ 1 }{ 4 } ) \\⇝\left(2x+\frac{1}{2}\right)\left(\frac{2\times 3x}{4}-\frac{1}{4}\right) \\⇝ \left(2x+\frac{1}{2}\right)\times \left(\frac{2\times 3x-1}{4}\right) \\⇝\left(2x+\frac{1}{2}\right)\times \left(\frac{6x-1}{4}\right) 2x\times \left(\frac{6x-1}{4}\right)+\frac{1}{2}\times \left(\frac{6x-1}{4}\right) \\⇝ \frac{6x-1}{2}x+\frac{1}{2}\times \left(\frac{6x-1}{4}\right) \frac{6x-1}{2}x+\frac{6x-1}{2\times 4} \\ ⇝\frac{\left(6x-1\right)x}{2}+\frac{6x-1}{2\times 4} \\ ⇝\frac{\left(6x-1\right)x}{2}+\frac{6x-1}{8} \\ \frac{4\left(6x-1\right)x}{8}+\frac{6x-1}{8} \\⇝ \frac{4\left(6x-1\right)x+6x-1}{8}\\⇝\frac{24x^{2}-4x+6x-1}{8} \\⇝ \frac{2x-1+24x^{2}}{8}$ $\huge \ \mathfrak{@DarkShadow7083 }$

9.

Find the value answer the question fast

Answer»

$⇝(2x+ \frac{ 1 }{ 2 } )( \frac{ 3x }{ 2 } - \frac{ 1 }{ 4 } ) \\⇝\left(2x+\frac{1}{2}\right)\left(\frac{2\times 3x}{4}-\frac{1}{4}\right) \\⇝ \left(2x+\frac{1}{2}\right)\times \left(\frac{2\times 3x-1}{4}\right) \\⇝\left(2x+\frac{1}{2}\right)\times \left(\frac{6x-1}{4}\right) 2x\times \left(\frac{6x-1}{4}\right)+\frac{1}{2}\times \left(\frac{6x-1}{4}\right) \\⇝ \frac{6x-1}{2}x+\frac{1}{2}\times \left(\frac{6x-1}{4}\right) \frac{6x-1}{2}x+\frac{6x-1}{2\times 4} \\ ⇝\frac{\left(6x-1\right)x}{2}+\frac{6x-1}{2\times 4} \\ ⇝\frac{\left(6x-1\right)x}{2}+\frac{6x-1}{8} \\ \frac{4\left(6x-1\right)x}{8}+\frac{6x-1}{8} \\⇝ \frac{4\left(6x-1\right)x+6x-1}{8}\\⇝\frac{24x^{2}-4x+6x-1}{8} \\⇝ \frac{2x-1+24x^{2}}{8}$

$\huge \ \mathfrak{@DarkShadow7083 }$

Discussion

10.	Is that right to say log 10 =log2× log5
Answer» i THINK it can be so the ANSWER is YES

10.

Is that right to say log 10 =log2× log5

Answer»

i THINK it can be

so the ANSWER is YES

Discussion

11.	Find x y z in a 55° angles
Answer» Answer: listen we know that. ANGLE 55°=ANGLE Y (V.O.A ). and by using angle sum PROPERTY we can find out angle Z I.e.. angle z =125 ° =angle X. hope it helps U bro. douwdek0 and 54 more USERS found this ... Top answer · 41 votes listen we know that ANGLE 55°=ANGLE Y (V.O.A ) and by using angle sum property we can ... More Step-by-step EXPLANATION: mark as brainest pls

11.

Find x y z in a 55° angles

Answer»

Answer:

listen we know that. ANGLE 55°=ANGLE Y (V.O.A ). and by using angle sum PROPERTY we can find out angle Z I.e.. angle z =125 ° =angle X. hope it helps U bro. douwdek0 and 54 more USERS found this ...

12.	What should be subtracted from each of the numbers 54, 71, 75and 99, so that the remainders are in continued proportion ?(B) 7(C) 4(D) 3(A) 9
Answer» ${\huge{\red{\underline{3}}}}$ ${{\red{\underline{ \: Please \: \: Mark \: \: as \: \: \: Brainliest}}}}$

What should be subtracted from each of the numbers 54, 71, 75and 99, so that the remainders are in continued proportion ?(B) 7(C) 4(D) 3(A) 9

Answer»

${\huge{\red{\underline{3}}}}$

${{\red{\underline{ \: Please \: \: Mark \: \: as \: \: \: Brainliest}}}}$

Discussion

13.	Find the distance between (0,0)and (6,-3)
Answer» ANSWER: as DISTANCE FORMULA is (x2-x1)WHOLE SQUARE +(y2-y1)whole square 36-9 =25

13.

Find the distance between (0,0)and (6,-3)

Answer»

ANSWER:

as DISTANCE FORMULA is

(x2-x1)WHOLE SQUARE +(y2-y1)whole square

36-9

=25

Discussion

14.	काटकोन त्रिकोण PQR मधे जर कोन Q=90⁰ PR=5 QR=4 तर PQ काढा त्यावरून tan R ची लांबी काढा
Answer» Step-by-step EXPLANATION: रयछमथक्षतक्षझ नहीं नहीं लिखता हूं नहीं नहीं नहीं श्रश्रल

14.

काटकोन त्रिकोण PQR मधे जर कोन Q=90⁰ PR=5 QR=4 तर PQ काढा त्यावरून tan R ची लांबी काढा

Answer»

Step-by-step EXPLANATION:

रयछमथक्षतक्षझ नहीं नहीं लिखता हूं नहीं नहीं नहीं श्रश्रल

Discussion

15.	Find the measurement of all linear pair angles from the figure given below.
Answer» ANSWER: do it yourself OK and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and UNDERSTAND Step-by-step EXPLANATION: do it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understand

15.

Find the measurement of all linear pair angles from the figure given below.

Answer»

ANSWER:

do it yourself OK and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and UNDERSTAND

Step-by-step EXPLANATION:

do it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understanddo it yourself ok and understand

Discussion

16.	X+y=3 and x-y=2 find x and y
Answer» ANSWER: $let \: \: \: \: \: \: x + y = 3 \: \: \: \: \: \: \: is \: equation \: (1) \\ and \: \: \: \: x - y = 2 \: \: \: is \: equation \: (2) \\ \\ \\ now \: subtract \: the \: equation \: : (1) - (2) \\ \\ (x + y) - (x - y) = 3 - 2 \\ \\ x + y - x + y = 1 \\ \\ 2y = 1 \\ \\ y = \frac{1}{2} \\ \\ so \: we \: put \: the \: value \: of \: y \: in \: equation \: (1) \: \: \: we \: get \\ \\ x + y = 3 \\ \\ x + \frac{1}{2} = 3 \\ \\ x = 3 - \frac{1}{2} = \frac{6 - 1}{2} = \frac{5}{2} \\ \\ \\ { \huge{ \red{ = > x = \frac{5}{2} }}} \\ \\ { \huge{ \pink{ = > y = \frac{1}{2} }}}$ THUS is your answer ❤️✅

16.

X+y=3 and x-y=2 find x and y

Answer»

ANSWER:

$let \: \: \: \: \: \: x + y = 3 \: \: \: \: \: \: \: is \: equation \: (1) \\ and \: \: \: \: x - y = 2 \: \: \: is \: equation \: (2) \\ \\ \\ now \: subtract \: the \: equation \: : (1) - (2) \\ \\ (x + y) - (x - y) = 3 - 2 \\ \\ x + y - x + y = 1 \\ \\ 2y = 1 \\ \\ y = \frac{1}{2} \\ \\ so \: we \: put \: the \: value \: of \: y \: in \: equation \: (1) \: \: \: we \: get \\ \\ x + y = 3 \\ \\ x + \frac{1}{2} = 3 \\ \\ x = 3 - \frac{1}{2} = \frac{6 - 1}{2} = \frac{5}{2} \\ \\ \\ { \huge{ \red{ = > x = \frac{5}{2} }}} \\ \\ { \huge{ \pink{ = > y = \frac{1}{2} }}}$

THUS is your answer ❤️✅

Discussion

17.	add the following displacement by the component method 8.0 ft directed 45° northeast, 12.0 ft directed south, and 20.0 ft directed 45° south of west
Answer» Answer: the class is GOING on with the ✋ E DENTON to make a study guide you through the with the KIDS to school

17.

add the following displacement by the component method 8.0 ft directed 45° northeast, 12.0 ft directed south, and 20.0 ft directed 45° south of west

Answer»

Answer:

the class is GOING on with the ✋ E DENTON to make a study guide you through the with the KIDS to school

Discussion

18.	Whose1. Percentage is a kind of fractiondenominator is always
Answer» Answer: Percentage of KIND of FRACTION whose DENOMINATOR is always 100. Step-by-step EXPLANATION: PLEASE MARK ME BRAINLIEST AND THANKS MY ANSWER PLEASE PLEASE FOLLOW ME

18.

Whose1. Percentage is a kind of fractiondenominator is always

Answer»

Answer:

Percentage of KIND of FRACTION whose DENOMINATOR is always 100.

Step-by-step EXPLANATION:

PLEASE MARK ME BRAINLIEST AND THANKS MY ANSWER PLEASE

PLEASE FOLLOW ME

Discussion

19.	Solve this equationx/x-1 + x-1/x =5/2
Answer» Step-by-step explanation: Given equation → \FRAC{x^{2} + x^{2} - 2x + 1}{x^{2} - x} x 2 −x x 2 +x 2 −2x+1 = \frac{5}{2} 2 5 → 2(2x^{2} - 2x + 1) = 5(x^{2} - x)2(2x 2 −2x+1)=5(x 2 −x) → \begin{GATHERED}x(x-2)+1(x-2) = 0\\x = 2 / x = -1\end{gathered} x(x−2)+1(x−2)=0 x=2/x=−1

19.

Solve this equationx/x-1 + x-1/x =5/2

Answer»

Step-by-step explanation:

Given equation

→ \FRAC{x^{2} + x^{2} - 2x + 1}{x^{2} - x}

x

2

−x

x

2

+x

2

−2x+1

= \frac{5}{2}

2

5

→ 2(2x^{2} - 2x + 1) = 5(x^{2} - x)2(2x

2

−2x+1)=5(x

2

−x)

→ \begin{GATHERED}x(x-2)+1(x-2) = 0\\x = 2 / x = -1\end{gathered}

x(x−2)+1(x−2)=0

x=2/x=−1

Discussion

20.	1.Percentage is a kind of fraction whosedenominator is always
Answer» Answer: 100 Step-by-step EXPLANATION: *PLEASE MARK ME BRAINLIEST! IF IT HELPS*

20.

1.Percentage is a kind of fraction whosedenominator is always

Answer»

Answer:

100

Step-by-step EXPLANATION:

PLEASE MARK ME BRAINLIEST! IF IT HELPS

Discussion

21.	.44. एक पासे को 1000 बार फेंकने पर प्राप्त परिणाम 6 की बारंबारता 190 है, तो इसकी प्रायिकता ज्ञातकीजिए
Answer» Step-by-step explanation: 190/1000 19/100 hope you LIKE it

21.

.44. एक पासे को 1000 बार फेंकने पर प्राप्त परिणाम 6 की बारंबारता 190 है, तो इसकी प्रायिकता ज्ञातकीजिए

Answer»

Step-by-step explanation:

190/1000

19/100

hope you LIKE it

Discussion

22.	Prove thatsin theta - cos theta +1 divided by sin +cos - 1 = 1/sec 0 - tan
Answer» Answer: 1/sectheta-tan THETA Step-by-step EXPLANATION: sintheta-costheta+1/sin+cos-1=1/sec0-tan=1/sectheta-tantheta

22.

Prove thatsin theta - cos theta +1 divided by sin +cos - 1 = 1/sec 0 - tan

Answer»

Answer:

1/sectheta-tan THETA

Step-by-step EXPLANATION:

sintheta-costheta+1/sin+cos-1=1/sec0-tan=1/sectheta-tantheta

Discussion

23.	Find the four different solutions of each of the following equationsi) x + 2y = 3( ii) 2x + 3y = 4fii) 2(x - 1) + 3y = 4.
Answer» Answer: 1- x=1 then y= 1 2- x=1 then y = 2/3 iii- x=2 then y= 2/3 Step-by-step EXPLANATION: i - PUT 1 in in x then 1+2y=3 put one into ANOTHER side 2y =3-1 2y=2 y=2/2 y=1. ii - puting 1 in x we got 2×1+3y= 4 2+3y =4 3y= 4-2=2 y=2/3. iii - putiing the value of x as 2 2(2-1) +3y= 4 2(1)+3y =4 2+3y =4 3y= 4-2 y= 2/3.

23.

Find the four different solutions of each of the following equationsi) x + 2y = 3( ii) 2x + 3y = 4fii) 2(x - 1) + 3y = 4.

Answer»

Answer:

1- x=1 then y= 1

2- x=1 then y = 2/3

iii- x=2 then y= 2/3

Step-by-step EXPLANATION:

i - PUT 1 in in x then

1+2y=3

put one into ANOTHER side

2y =3-1

2y=2

y=2/2

y=1.

ii - puting 1 in x we got

2×1+3y= 4

2+3y =4

3y= 4-2=2

y=2/3.

iii - putiing the value of x as 2

2(2-1) +3y= 4

2(1)+3y =4

2+3y =4

3y= 4-2

y= 2/3.

Discussion

24.	if one of the zeros of the polynomial 6x2+15x+9 is reciprocal of other then find value of p also find zeros of polynomial
Answer» Step-by-step EXPLANATION: zjsjsjksbzksmsnsksknsksksz znsksknskaosmjaosksososnskososnsisosnsjsks

24.

if one of the zeros of the polynomial 6x2+15x+9 is reciprocal of other then find value of p also find zeros of polynomial

Answer»

Step-by-step EXPLANATION:

zjsjsjksbzksmsnsksknsksksz znsksknskaosmjaosksososnskososnsisosnsjsks

Discussion

25.	Resolve into factors x³-3x²+3x-7ت
Answer» Step-by-step explanation: \textbf{Answer -}Answer - Now, x³ - 3x² + 3x + 7 = x³ + x² - 4x² - 4X + 7x + 7 = x²(X + 1) + -4x (x + 1) + 7 (x + 1) = (x + 1) (x² - 4x + 7), which is the REQUIRED factorization. #\textbf{MarkAsBrainliest}MarkAsBrainliest

25.

Resolve into factors x³-3x²+3x-7ت

Answer»

Step-by-step explanation:

\textbf{Answer -}Answer -

Now, x³ - 3x² + 3x + 7

= x³ + x² - 4x² - 4X + 7x + 7

= x²(X + 1) + -4x (x + 1) + 7 (x + 1)

= (x + 1) (x² - 4x + 7),

which is the REQUIRED factorization.

#\textbf{MarkAsBrainliest}MarkAsBrainliest

Discussion

26.	What should be subtracted from each of the numbers 54, 71, 75and 99, so that the remainders are in continued proportion ?
Answer» Step-by-step explanation: Given:- The numbers 54, 71, 75 and 99 To find:- What should be subtracted from each of the numbers 54, 71, 75 and 99, so that the remainders are in CONTINUED proportion ? Solution:- Given numbers are 54,71,75 and 99 Let the number should be subtracted from each of them be X Then they BECOMES (54-X) ,(71-X) ,(75-X) and (99-X) If they are in proportion then (54-X) :(71-X) ::(75-X) : (99-X) EXTREMES = (54-X) and (99-X) Product of extremes = (54-X) × (99-X) =>54(99-X) -X(99-X) =>5346 -54X -99X +X^2 =>5346 -153 X +X^2 Product of extremes = X^2-153X+5346 Means = (71-X) and (75-X) Product of means = (71-X) ×(75-X) =>71(75-X)-X(75-X) =>5325-71X-75X+X^2 =>5325 -146 X +X^2 Product of means = X^2-146X+5325 We know that In proportion, The product of extremes = The Product of means =>X^2-153X+5346 = X^2-146X+5325 On cancelling X^2 both sides then =>-153X+5346 = -146X +5325 =>5346 -5325 = -146X+153X =>21 = 7X =>7X = 21 =>X =21/7 =>X = 3 Therefore,The number = 3 Answer:- The required number for the given problem = 3 Check:- If X = 3 then the numbers become 54-3=51 71-3=68 75-3=72 99-3=96 Product of extremes = 51×96= 4896 Product of means = 68×72= 4896 They are in proportion. Verified the given relation. Used formulae:- EQUALITY of ratios is called the Proportion. In proportion, The product of extremes = The Product of means

26.

What should be subtracted from each of the numbers 54, 71, 75and 99, so that the remainders are in continued proportion ?

Answer»

Step-by-step explanation:

Given:-

The numbers 54, 71, 75 and 99

To find:-

What should be subtracted from each of the numbers 54, 71, 75 and 99, so that the remainders are in CONTINUED proportion ?

Solution:-

Given numbers are 54,71,75 and 99

Let the number should be subtracted from each of them be X

Then they BECOMES

(54-X) ,(71-X) ,(75-X) and (99-X)

If they are in proportion then

(54-X) :(71-X) ::(75-X) : (99-X)

EXTREMES = (54-X) and (99-X)

Product of extremes = (54-X) × (99-X)

=>54(99-X) -X(99-X)

=>5346 -54X -99X +X^2

=>5346 -153 X +X^2

Product of extremes = X^2-153X+5346

Means = (71-X) and (75-X)

Product of means = (71-X) ×(75-X)

=>71(75-X)-X(75-X)

=>5325-71X-75X+X^2

=>5325 -146 X +X^2

Product of means = X^2-146X+5325

We know that

In proportion,

The product of extremes = The Product of means

=>X^2-153X+5346 = X^2-146X+5325

On cancelling X^2 both sides then

=>-153X+5346 = -146X +5325

=>5346 -5325 = -146X+153X

=>21 = 7X

=>7X = 21

=>X =21/7

=>X = 3

Therefore,The number = 3

Answer:-

The required number for the given problem = 3

Check:-

If X = 3 then the numbers become

54-3=51

71-3=68

75-3=72

99-3=96

Product of extremes = 51×96= 4896

Product of means = 68×72= 4896

They are in proportion.

Verified the given relation.

Used formulae:-

EQUALITY of ratios is called the Proportion.
In proportion,

The product of extremes = The Product of means

Discussion

27.	8. Distance of a point (-3, 4) from the origin is(A) 7(B) 1(C) 5(D) 4The measure of an arc of the circle is 36° and its leng
Answer» Answer: 5 Step-by-step EXPLANATION: PLEASE MARK me as a BRILLIANT

27.

8. Distance of a point (-3, 4) from the origin is(A) 7(B) 1(C) 5(D) 4The measure of an arc of the circle is 36° and its leng

Answer»

Answer:

5

Step-by-step EXPLANATION:

PLEASE MARK me as a BRILLIANT

Discussion

28.	Is log 10 base 1 defined?why?
Answer» ANSWER: not defined Step-by-step EXPLANATION: because 1 RAISED to any POWER is 1

28.

Is log 10 base 1 defined?why?

Answer»

ANSWER:

not defined

Step-by-step EXPLANATION:

because 1 RAISED to any POWER is 1

Discussion

29.	If the radii of two circle with centre 0 and 0 are 7cm and 10cm and the distance between their centre is 12cm, in how many points do the circle intersects?
Answer» Answer: CHIN IBN SEX tube hint jibon ferraz ONN Garth Step-by-step explanation: Uddin arfin Uddin HIGH

29.

If the radii of two circle with centre 0 and 0 are 7cm and 10cm and the distance between their centre is 12cm, in how many points do the circle intersects?

Answer»

Answer:

CHIN IBN SEX tube hint jibon ferraz ONN Garth

Step-by-step explanation:

Uddin arfin Uddin HIGH

Discussion

30.	10. 4ry का समान पद है-Like term of 4xy is-(b) 6x²(a) 2x²y(c)-7xy(d) 3x²y²
Answer» $\LARGE\sf\underbrace{Answer}$ $\large\rm\blue{-7xy}$ is your answer. _________________________________ What are like terms? How can we find them? $\rightarrow$ In algebra, like terms are the terms that have the same terms and powers. So don't NEED to CONCENTRATE on the NUMERICAL part. Concentrate only in algebraic part and their POWER.

30.

10. 4ry का समान पद है-Like term of 4xy is-(b) 6x²(a) 2x²y(c)-7xy(d) 3x²y²

Answer»

$\LARGE\sf\underbrace{Answer}$

$\large\rm\blue{-7xy}$ is your answer.

_________________________________

What are like terms? How can we find them?

$\rightarrow$ In algebra, like terms are the terms that have the same terms and powers. So don't NEED to CONCENTRATE on the NUMERICAL part. Concentrate only in algebraic part and their POWER.

Discussion

31.	Find the zeroes of polynomial
Answer» Answer: If one zero of the polynomial x^2 - 4x + 1 is 2 + √(3) , write the other zero. Top answer · 112 votes To find another zero of the polynamial x^2 - 4x + 1 , if one of them will be ( 2 + √(3)) let consider two ZEROS alpha ,beta alpha = 2 + √(3 Step-by-step explanation: MARK as brainest pls

31.

Find the zeroes of polynomial

Answer»

Answer:

If one zero of the polynomial x^2 - 4x + 1 is 2 + √(3) , write the other zero.

32.	Nare ,Z/nge ofprove that sin 100 + cos 570 cosec 430 2Cos 80°
Answer» ANSWER: SORRY FRIEND I don't KNOW this QUESTION answer

Nare ,Z/nge ofprove that sin 100 + cos 570 cosec 430 2Cos 80°

Answer»

ANSWER:

SORRY FRIEND I don't KNOW this QUESTION answer

Discussion

33.	A bag of chocolates is labeled to contain 0.384 pound of chocolates. The actual weight of the chocolates is 0.3798 pound. How much heavier or lighter are the chocolates than stated on the label? Show your reasoning. no images please.
Answer» Answer: As we all know,0.384< 0.3798 To find how HEAVY is the chocolates than the LABELLED ONE, Subtract 0.384 from 0.3798 =0.3798-0.384 = 0.0042

33.

A bag of chocolates is labeled to contain 0.384 pound of chocolates. The actual weight of the chocolates is 0.3798 pound. How much heavier or lighter are the chocolates than stated on the label? Show your reasoning. no images please.

Answer»

Answer:

As we all know,0.384< 0.3798

To find how HEAVY is the chocolates than the LABELLED ONE,

Subtract 0.384 from 0.3798

=0.3798-0.384

= 0.0042

Discussion

34.	Find the zeros of polynomial x²-√3x-6
Answer» x²-√3-6=0 x²-2√3x+√3x-6=0. (middle TERM FACTORISATION) x(x-2√3)+√3(x-2√3)=0 (taking COMMONS) (x-2√3)(x+√3)=0. (taking x-2√3 COMMON) x-2√3=0 x=2√3 x+√3=0 x=-√3

34.

Find the zeros of polynomial x²-√3x-6

Answer»

x²-√3-6=0

x²-2√3x+√3x-6=0. (middle TERM FACTORISATION)

x(x-2√3)+√3(x-2√3)=0 (taking COMMONS)

(x-2√3)(x+√3)=0. (taking x-2√3 COMMON)

x-2√3=0

x=2√3

x+√3=0

x=-√3

Discussion

35.	Given n(A)=17,n(A^c )=36,n(A∪B)=31,n(B^c )=33. Find n(U) and n(A∩B)How did you solve this problem with the answer you submitted - unsure where the numbers 60-10=50 came from, etc.
Answer» ANSWER: fhaghahqbkhcjvjkvbmb

35.

Given n(A)=17,n(A^c )=36,n(A∪B)=31,n(B^c )=33. Find n(U) and n(A∩B)How did you solve this problem with the answer you submitted - unsure where the numbers 60-10=50 came from, etc.

Answer»

ANSWER:

fhaghahqbkhcjvjkvbmb

Discussion

36.	42%23 +870X3-5 = 541
Answer» ANSWER: IDK Step-by-step EXPLANATION:

36.

42%23 +870X3-5 = 541

Answer»

ANSWER:

IDK

Step-by-step EXPLANATION:

Discussion

37.	8. In the following sequence of numbers, how many 3s are there which are not preceded by 9but immediately followed by 9?896739378399563969398
Answer» Answer: 7 jnatgeyhryryryeyryryryryryrgrgdyeuuryryr

37.

8. In the following sequence of numbers, how many 3s are there which are not preceded by 9but immediately followed by 9?896739378399563969398

Answer»

Answer:

7 jnatgeyhryryryeyryryryryryrgrgdyeuuryryr

Discussion

38.	5. The radii of two circles are in the ratio 2: 3. What is the ratio of their circumferences?
Answer» ANSWER: CIRCUMFERENCE of 1circle=2πr 2π×2x circumference of the 2circle=2π×3x 2π×2x:2π×3x 2x:3x HOPE it HELPS you

38.

5. The radii of two circles are in the ratio 2: 3. What is the ratio of their circumferences?

Answer»

ANSWER:

CIRCUMFERENCE of 1circle=2πr

2π×2x

circumference of the 2circle=2π×3x

2π×2x:2π×3x

2x:3x

HOPE it HELPS you

Discussion

39.	Match the followinga)Monomialb)Binomial c)Trinomial d)Polynomial with 4 terms e)Polynomial with 5 terms
Answer» ANSWER: how can we MATCH them SWEETIE? where is the SECOND SET?

39.

Match the followinga)Monomialb)Binomial c)Trinomial d)Polynomial with 4 terms e)Polynomial with 5 terms

Answer»

ANSWER:

how can we MATCH them SWEETIE? where is the SECOND SET?

Discussion

40.	How many words can be formed from the letters of the word "OBJECT" using all letters without repeating any letter?
Answer» Answer: HI FRIENDS how are you good MORNING please MARK mi brainlist

40.

How many words can be formed from the letters of the word "OBJECT" using all letters without repeating any letter?

Answer»

Answer:

HI FRIENDS how are you good MORNING please MARK mi brainlist

Discussion

41.	MathsSolve= 5b-6=72
Answer» Answer: 72-6=56 b=56/5 GOODMORNING, MARK AS BRANIST FOLLOW=FOLLOW + HELP

41.

MathsSolve= 5b-6=72

Answer»

Answer:

72-6=56

b=56/5

GOODMORNING, MARK AS BRANIST

FOLLOW=FOLLOW + HELP

Discussion

42.	In a triangle ABC in which BC = 8 cm √B=45, and AB-AC-35 cm
Answer» Answer: ⭐ draw BASE bc of LENGTH 8 CM ⭐now let's draw 45 degree ⭐let the RAY be Bx Step-by-step explanation: plz mark me as BRAINLIST ⭐

42.

In a triangle ABC in which BC = 8 cm √B=45, and AB-AC-35 cm

Answer»

Answer:

⭐ draw BASE bc of LENGTH 8 CM

⭐now let's draw 45 degree

⭐let the RAY be Bx

Step-by-step explanation:

plz mark me as BRAINLIST ⭐

Discussion

43.	8. If 2x+1 = 31-* then find the value of x.
Answer» Answer: 15 Step-by-step explanation: 2X + 1 = 31 2x = 31-1 2x = 30 x = 30/2 x = 15

43.

8. If 2x+1 = 31-* then find the value of x.

Answer»

Answer:

15

Step-by-step explanation:

2X + 1 = 31

2x = 31-1

2x = 30

x = 30/2

x = 15

Discussion

44.	1. Find 6 rational numbers between 5/6 and 7/11.
Answer» Answer: PLS make me the brainliest Step-by-step explanation: 5/6,7/11 =find LCM of 6 and 11. =lcm=66 =5/6×11/11 7/11×6/6 =55/66 42/66 =54/66,53/66,52/66,51/66,50/66,49/66 Hope it is USEFUL for you

44.

1. Find 6 rational numbers between 5/6 and 7/11.

Answer»

Answer:

PLS make me the brainliest

Step-by-step explanation:

5/6,7/11

=find LCM of 6 and 11.

=lcm=66

=5/6×11/11 7/11×6/6

=55/66 42/66

=54/66,53/66,52/66,51/66,50/66,49/66

Hope it is USEFUL for you

Discussion

45.	Write down a few superstitions that people follow even today. Do you believe in them or not?Class 8 MSC
Answer» Answer: Breaking a mirror is said to bring seven YEARS of bad luck. Bird or flock GOING from left to right (Auspicia)(Paganism) Certain numbers: ... Friday the 13th (In Spain, Greece and Georgia: TUESDAY the 13th) FAILING to respond to a chain letter. More items... Step-by-step explanation: pls mark BRAINLIEST

45.

Write down a few superstitions that people follow even today. Do you believe in them or not?Class 8 MSC

Answer»

Answer:

Breaking a mirror is said to bring seven YEARS of bad luck.

Bird or flock GOING from left to right (Auspicia)(Paganism)

Certain numbers: ...

Friday the 13th (In Spain, Greece and Georgia: TUESDAY the 13th)

FAILING to respond to a chain letter.

More items...

Step-by-step explanation:

pls mark BRAINLIEST

Discussion

46.	By melting two solid spheres of 1cm and 6cm a hollow spheres of 1cm thick is formed. Find the area of outer curve surface of new sphere.
Answer» Given : By melting two solid spheres of 1CM and 6cm a hollow spheres of 1cm thick is formed. To find : Find the area of outer curve surface of new SPHERE. Solution : We need to remember some points before SOLVING such problems or QUESTIONS Recasting, melting, reformed & transformation, if these words are in any questions, then it means we have to find out volume of given dimension. Volume of sphere → 4/3 πr³ According to the given condition ★ Thickness of hollow sphere after melting = 1cm ★ Radius of the FIRST sphere (x) = 1cm ★ Radius of the second sphere (y) = 6cm Consider internal radius be x ★ Internal radius (r) = x ★ External radius (R) → internal radius + thickness = x + 1 ★ Volume of two sphere = Volume of hollow sphere → 4/3 π r³ + 4/3 πr³ = 4/3πR³ - 4/3πr³ → 4/3πx³ + 4/3πy³ = 4/3π(R³ - r³) → 4/3π(x³ + y³) = 4/3π(R³ - r³) → 4/3π(x³ + y³) = 4/3π{(x + 1)³ - x³} Cancel 4/3π & apply identity (a + b)³ = a³ + b³ + 3ab(a + b) → (6)³ + 1 = {x³ + 1 + 3x1(x + 1)} - x³ → 216 + 1 = {x³ + 1 + 3x(x + 1)} - x³ → 216 + 1 = x³ + 1 + 3x² + 3x - x³ → 216 = 3x² + 3x + 1 - 1 + x³ - x → 216 = 3x² + 3x → 3x² + 3x - 216 = 0 Take 3 as a common → 3(x² + x - 72) = 0 → x² + x - 72 = 0 Splitting middle term → x² + 9x - 8x - 72 = 0 → x(x + 9) - 8(x + 9) = 0 → (x + 9)(x - 8) = 0 •°• x = -9 or x = 8 ★ Length never be in negative → Take radius = 8cm = x = Internal radius → External radius = x + 1 = 9cm ★ Outer curved surface area of new sphere → 4πR² Put the value of external radius → 4π(9)² → 4π × 81 → 4 × 22/7 × 81 → 88 × 81/7 → 1018.28cm² •°• Outer curved surface area of new hollow sphere is 1018.28 cm² ━━━━━━━━━━━━━━━━━━━━━━━━

46.

By melting two solid spheres of 1cm and 6cm a hollow spheres of 1cm thick is formed. Find the area of outer curve surface of new sphere.

Answer»

Given :

By melting two solid spheres of 1CM and 6cm a hollow spheres of 1cm thick is formed.

To find :

Find the area of outer curve surface of new SPHERE.

Solution :

We need to remember some points before SOLVING such problems or QUESTIONS

Recasting, melting, reformed & transformation, if these words are in any questions, then it means we have to find out volume of given dimension.

Volume of sphere → 4/3 πr³

According to the given condition

★ Thickness of hollow sphere after melting = 1cm

★ Radius of the FIRST sphere (x) = 1cm

★ Radius of the second sphere (y) = 6cm

Consider internal radius be x

★ Internal radius (r) = x

★ External radius (R)

→ internal radius + thickness = x + 1

★ Volume of two sphere = Volume of hollow sphere

→ 4/3 π r³ + 4/3 πr³ = 4/3πR³ - 4/3πr³

→ 4/3πx³ + 4/3πy³ = 4/3π(R³ - r³)

→ 4/3π(x³ + y³) = 4/3π(R³ - r³)

→ 4/3π(x³ + y³) = 4/3π{(x + 1)³ - x³}

Cancel 4/3π & apply identity
(a + b)³ = a³ + b³ + 3ab(a + b)

→ (6)³ + 1 = {x³ + 1 + 3*x*1(x + 1)} - x³

→ 216 + 1 = {x³ + 1 + 3x(x + 1)} - x³

→ 216 + 1 = x³ + 1 + 3x² + 3x - x³

→ 216 = 3x² + 3x + 1 - 1 + x³ - x

→ 216 = 3x² + 3x

→ 3x² + 3x - 216 = 0

Take 3 as a common

→ 3(x² + x - 72) = 0

→ x² + x - 72 = 0

Splitting middle term

→ x² + 9x - 8x - 72 = 0

→ x(x + 9) - 8(x + 9) = 0

→ (x + 9)(x - 8) = 0

•°• x = -9 or x = 8

★ Length never be in negative

→ Take radius = 8cm = x = Internal radius

→ External radius = x + 1 = 9cm

★ Outer curved surface area of new sphere

→ 4πR²

Put the value of external radius

→ 4π(9)²

→ 4π × 81

→ 4 × 22/7 × 81

→ 88 × 81/7

→ 1018.28cm²

•°• Outer curved surface area of new hollow sphere is 1018.28 cm²

━━━━━━━━━━━━━━━━━━━━━━━━

Discussion

47.	Write any four like terms for each: 5xyz
Answer» ANSWER: this QUESTION is in bodmas Step-by-step EXPLANATION: ????

47.

Write any four like terms for each: 5xyz

Answer»

ANSWER:

this QUESTION is in bodmas

Step-by-step EXPLANATION:

????

Discussion

48.	Divide with product 86)60350(
Answer» Step-by-step EXPLANATION: i HOPE it's HELP you PLZ MARK me in brainliest

48.

Divide with product 86)60350(

Answer»

Step-by-step EXPLANATION:

i HOPE it's HELP you PLZ MARK me in brainliest

Discussion

49.	7.26.63.124.215.342.?
Answer» ANSWER: karna KYA HAI ISME BHAI ye to bata

49.

7.26.63.124.215.342.?

Answer»

ANSWER:

karna KYA HAI ISME BHAI ye to bata

Discussion

50.	The lever in the scissor is(a) Class 1 lever(b) Class 2 lever(c) Class 3 leverNeed quality answers. Spams will be reported right then.
Answer» ANSWER: CLASS 3 lever Step-by-step EXPLANATION: PLEASE mark me as a brilliant

50.

The lever in the scissor is(a) Class 1 lever(b) Class 2 lever(c) Class 3 leverNeed quality answers. Spams will be reported right then.

Answer»

ANSWER:

CLASS 3 lever

Step-by-step EXPLANATION:

PLEASE mark me as a brilliant

Discussion

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1. Find 6 rational numbers between 5/6 and 7/11.

Write down a few superstitions that people follow even today. Do you believe in them or not?Class 8 MSC

By melting two solid spheres of 1cm and 6cm a hollow spheres of 1cm thick is formed. Find the area of outer curve surface of new sphere.

Write any four like terms for each: 5xyz

Divide with product 86)60350(

7.26.63.124.215.342.?