332354 + Interview Questions in Secondary School in Math

1.	The mode of the distribution3,5,7,4, 2, 1, 4,3,4
Answer» $\huge\sf\green{Answer}$ *The mode of the given distribution is 4* $\huge\sf\pink{Explanation:}$ Mode : Mode of any given distribution is the number with highest frequency. Solution : The given NUMBERS OCCUR the given number of times. ➣ 1 OCCURED 1 time ➣ 2 occured 1 time ➣ 3 occured 2 time ➣ 4 occured 3 time ➣ 5 occured 1 time ➣ 7 occured 1 time *So, the number 4* *occured* *the maximum number of times and so, the mode of the given distribution is 4.*

1.

The mode of the distribution3,5,7,4, 2, 1, 4,3,4

Answer»

$\huge\sf\green{Answer}$

The mode of the given distribution is 4

$\huge\sf\pink{Explanation:}$

Mode :

Mode of any given distribution is the number with highest frequency.

Solution :

The given NUMBERS OCCUR the given number of times.

➣ 1 OCCURED 1 time

➣ 2 occured 1 time

➣ 3 occured 2 time

➣ 4 occured 3 time

➣ 5 occured 1 time

➣ 7 occured 1 time

So, the number 4 occured the maximum number of times and so, the mode of the given distribution is 4.

Discussion

2.	Fill in the blanks in the following table [( First term a , common difference d and nth term an )]..-------------------------------------------------slno.. a.. d.. n.. an--------------------------–---------------------1. 13. ___. 15. 55-------------------------------------------------2. ___. -2. 22. -39-------------------------------------------------3. 12. 4. ___. 56. -------------------------------------------------4. 4. 2. 5. ____. -------------------------------------------------5. 3. -2. 9. ____. -------------------------------------------------
Answer» Answer: 1. an 2. A3. D 4. N 5. d Step-by-step explanation: HOPE...

2.

Fill in the blanks in the following table [( First term a , common difference d and nth term an )]..-------------------------------------------------slno.. a.. d.. n.. an--------------------------–---------------------1. 13. _. 15. 55-------------------------------------------------2. _. -2. 22. -39-------------------------------------------------3. 12. 4. _. 56. -------------------------------------------------4. 4. 2. 5. . -------------------------------------------------5. 3. -2. 9. __. -------------------------------------------------

Answer»

Answer:

1. an 2. A3. D 4. N 5. d

Step-by-step explanation:

HOPE...

Discussion

3.	65 311. Divide the sum of and by their difference.12 8
Answer» ANSWER: I do not UNDERSTAND you QUESTION

3.

65 311. Divide the sum of and by their difference.12 8

Answer»

ANSWER:

I do not UNDERSTAND you QUESTION

Discussion

4.	Sin squar theta +1/1+tan squar
Answer» Answer: 1 Step-by-step explanation: 1/1+tan²theta = 1/sec²theta And 1/sec²theta = cos²theta so we GET sin²theta + cos²theta = 1

4.

Sin squar theta +1/1+tan squar

Answer»

Answer:

1

Step-by-step explanation:

1/1+tan²theta = 1/sec²theta

And 1/sec²theta = cos²theta

so we GET sin²theta + cos²theta = 1

Discussion

5.	3x + 5=0 I want this answer
Answer» Step-by-step EXPLANATION: here's the ANSWER friend PLS FOLLOW me and mark as brainliest

5.

3x + 5=0 I want this answer

Answer»

Step-by-step EXPLANATION:

here's the ANSWER friend PLS FOLLOW me and mark as brainliest

Discussion

6.	If abc and JCAC) = 17& CBC) - 6. I the find SCAR)
Answer» ANSWER: the answer is ZERO.....

6.

If abc and JCAC) = 17& CBC) - 6. I the find SCAR)

Answer»

ANSWER:

the answer is ZERO.....

Discussion

7.	When you divide A4 in half, you get two A5 sheets. If you further divide those A5 sheets in half, you get four A6 sheets. Till which A series paper should you divide so that every person on earth can get one sheet?
Answer» Step-by-step explanation: Given:When you divide A4 in HALF, you get two A5 sheets. If you further divide those A5 sheets in half, you get four A6 sheets. To find:Till which A series paper should you divide so that every person on earth can get one sheet? A100 A37 A20 A1000 Solution: One fold of A4 sheet= 2 A5 sheet one fold of 2A5 sheet= 4 A6 sheet one fold of 4A6 sheet= 8 A7 sheet and so on Looking at the pattern $2, \: 4 ,\: 8, \: 16 ,...\\ \\ {2}^{1} ,\: {2}^{2} , \: {2}^{3}, \: {2}^{4}, ... \\$ WORLD POPULATION is 7.8 billion, So, If one can fold paper 33 times ${2}^{33} = 8859934592 \\ \\ 8859934592 > 7.8 \: billions \\ \\$ 8859934592>7.8billions So, Up to 33 fold the series of paper will reach to 33+4= A37 Option B is correct. Hope it helps you.

7.

When you divide A4 in half, you get two A5 sheets. If you further divide those A5 sheets in half, you get four A6 sheets. Till which A series paper should you divide so that every person on earth can get one sheet?

Answer»

Step-by-step explanation:

Given:When you divide A4 in HALF, you get two A5 sheets. If you further divide those A5 sheets in half, you get four A6 sheets.

To find:Till which A series paper should you divide so that every person on earth can get one sheet? A100 A37 A20 A1000

Solution:

One fold of A4 sheet= 2 A5 sheet

one fold of 2A5 sheet= 4 A6 sheet

one fold of 4A6 sheet= 8 A7 sheet

and so on

Looking at the pattern

$2, \: 4 ,\: 8, \: 16 ,...\\ \\ {2}^{1} ,\: {2}^{2} , \: {2}^{3}, \: {2}^{4}, ... \\$

WORLD POPULATION is 7.8 billion,

So,

If one can fold paper 33 times

${2}^{33} = 8859934592 \\ \\ 8859934592 > 7.8 \: billions \\ \\$

8859934592>7.8billions

So,

Up to 33 fold the series of paper will reach to 33+4= A37

Option B is correct.

Hope it helps you.

Discussion

8.	Find the least number that must be added to 1000 so that the sum is exactly divisible by 16,64 and 256.
Answer» Answer: let the smallest SUM X then ACCORDING to question :- (X+1000)/1664256 = 1 X + 1000 = 1664256 X = 1664256-1000 X = 1663256 ans:- 16,63,256 Hope it helps U

8.

Find the least number that must be added to 1000 so that the sum is exactly divisible by 16,64 and 256.

Answer»

Answer:

let the smallest SUM X

then ACCORDING to question :-

(X+1000)/1664256 = 1

X + 1000 = 1664256

X = 1664256-1000

X = 1663256

ans:- 16,63,256

Hope it helps U

Discussion

9.	What is uses of differentiation intigration and limits in day today life
Answer» Answer: We use the derivative to determine the MAXIMUM and minimum values of particular functions (e.g. cost, strength, amount of material used in a building, profit, loss, etc.). DERIVATIVES are met in many engineering and science PROBLEMS, especially when MODELLING the behaviour of MOVING objects. Step-by-step explanation:

9.

What is uses of differentiation intigration and limits in day today life

Answer»

Answer:

We use the derivative to determine the MAXIMUM and minimum values of particular functions (e.g. cost, strength, amount of material used in a building, profit, loss, etc.). DERIVATIVES are met in many engineering and science PROBLEMS, especially when MODELLING the behaviour of MOVING objects.

Step-by-step explanation:

Discussion

10.	find the smallest number by which each of the following number must be multiplied to obtain a perfect cube 144
Answer» Answer: 12 Step-by-step EXPLANATION: because here is only ONE no. so 12² is 144

10.

find the smallest number by which each of the following number must be multiplied to obtain a perfect cube 144

Answer»

Answer:

12

Step-by-step EXPLANATION:

because here is only ONE no. so 12² is 144

Discussion

11.	In a linear equation the power of the variable appering in the equation is one
Answer» Answer: True Linear Equation in one variable Pls FOLLOW me and pls Mark me as BRAINLIST

11.

In a linear equation the power of the variable appering in the equation is one

Answer»

Answer:

True

Linear Equation in one variable

Pls FOLLOW me and pls Mark me as BRAINLIST

Discussion

12.	A boat goes 3 km upstream and 44 km downstream in 10 hours. In 13 hours it can go 40km upstream and 50 km downstream. Determine the speed of the stream and that of the boat in still water.
Answer» Step-by-step EXPLANATION: LET X be speed of BOAT in still WATER and Y be speed of stream downstream = (x+y)km/hr upstream =(x-y)km/hr TIME = DIST/SPEED ATGC-1 TIME UPSTREAM=3/X-Y TIME DOWNSTREAM = 44/X+Y 3/X-Y + 44/X+Y = 10

12.

A boat goes 3 km upstream and 44 km downstream in 10 hours. In 13 hours it can go 40km upstream and 50 km downstream. Determine the speed of the stream and that of the boat in still water.

Answer»

Step-by-step EXPLANATION:

LET X be speed of BOAT in still WATER and Y be speed of stream

downstream = (x+y)km/hr

upstream =(x-y)km/hr

TIME = DIST/SPEED

ATGC-1

TIME UPSTREAM=3/X-Y

TIME DOWNSTREAM = 44/X+Y

3/X-Y + 44/X+Y = 10

Discussion

13.	--beare theso APShort Answer Type Questions SLAS-And the item of the AP:213, 205, 197,137CBSE 2015In the AP 17, 13, 19, 115 prove that the wumof the middle terms jsequarto the sum of fint andlast terms10.) Which term of the AP.5.15.25will be 130more than its 31st term?11. If the 10th term of an AP. is 52 and 17th term is20 mne than the 13th to find the
Answer» Step-by-step explanation: 2572%×;#&!&@!%@×;!×* HII

13.

--beare theso APShort Answer Type Questions SLAS-And the item of the AP:213, 205, 197,137CBSE 2015In the AP 17, 13, 19, 115 prove that the wumof the middle terms jsequarto the sum of fint andlast terms10.) Which term of the AP.5.15.25will be 130more than its 31st term?11. If the 10th term of an AP. is 52 and 17th term is20 mne than the 13th to find the

Answer»

Step-by-step explanation:

2572%×;#&!&@*!*%@×;!×*

HII

Discussion

14.	10. Factorise each of the following:(i) 27y³ + 125z³
Answer» Answer: 27y³+125z³ = (3y + 5z) ( 9y² + 25z² - 15YZ) 64m³-343n³ = (4m - 7N) ( 16m² + 49n² + 28mn) Step-by-step explanation: 27y³+125z³ = (3y)³ + (5z)³ using a³ + b³ = (a + B) (a² + b² - ab) here a = 3y & b = 5z = (3y + 5z) ( (3y)² + (5z)² - (3y)(5z)) = (3y + 5z) ( 9y² + 25z² - 15yz)

14.

10. Factorise each of the following:(i) 27y³ + 125z³

Answer»

Answer:

27y³+125z³ = (3y + 5z) ( 9y² + 25z² - 15YZ)

64m³-343n³ = (4m - 7N) ( 16m² + 49n² + 28mn)

Step-by-step explanation:

27y³+125z³

= (3y)³ + (5z)³

using a³ + b³ = (a + B) (a² + b² - ab)

here a = 3y & b = 5z

= (3y + 5z) ( (3y)² + (5z)² - (3y)(5z))

= (3y + 5z) ( 9y² + 25z² - 15yz)

Discussion

15.	Hello sir i dont know how to solve it
Answer» ANSWER: $\frac{73}{16 \times 125} = \frac{73}{2000} = 0.0365$

15.

Hello sir i dont know how to solve it

Answer»

ANSWER:

$\frac{73}{16 \times 125} = \frac{73}{2000} = 0.0365$

Discussion

16.	Solve for x : sin(πx/2√3)=x²-2√3+4
Answer» Step-by-step EXPLANATION: SIN(π÷2×√(3)) =0.0474673131

16.

Solve for x : sin(πx/2√3)=x²-2√3+4

Answer»

Step-by-step EXPLANATION:

SIN(π÷2×√(3))

=0.0474673131

Discussion

17.	Hey Brainlists solve this question with correct explanation ❤If two out of three vectors a, b, c are unit vectors a+b+c=0 and 2(a.b+b.c+c.a) +3=0 then the third vector of length
Answer» $A$ $+$ $B$ $=$ $C$

17.

Hey Brainlists solve this question with correct explanation ❤If two out of three vectors a, b, c are unit vectors a+b+c=0 and 2(a.b+b.c+c.a) +3=0 then the third vector of length

Answer»

$A$ $+$ $B$ $=$ $C$

Discussion

18.	MeanThe of the numbers 10, 20,30and go
Answer» Answer: 20 is the MEAN of GIVEN NUMBERS

18.

MeanThe of the numbers 10, 20,30and go

Answer»

Answer:

20 is the MEAN of GIVEN NUMBERS

Discussion

19.	Find the square of 105 visual respiration
Answer» ANSWER: SQUARE of 105 is 11025 is the answer

19.

Find the square of 105 visual respiration

Answer»

ANSWER:

SQUARE of 105 is 11025 is the answer

Discussion

20.	3. In the triangle PQR, the midpoints of the sides QR and QP are X and Z respectively. The side QP is extended upto the point S so that PS = ZP. SXintersects the side PR at thepoint Y. Let us prove that, PY = 1/4 PR.
Answer» ANSWER: PY = 1/4 PR Step-by-step EXPLANATION:

20.

3. In the triangle PQR, the midpoints of the sides QR and QP are X and Z respectively. The side QP is extended upto the point S so that PS = ZP. SXintersects the side PR at thepoint Y. Let us prove that, PY = 1/4 PR.

Answer»

ANSWER:

PY = 1/4 PR

Step-by-step EXPLANATION:

Discussion

21.	1) U = {1, 3, 5, 8, 9, 10, 11, 12, 13, 15}, A = {1, 11, 13} B = {8, 5, 10, 11, 15}, find A' ∩ B '. *{ 3, 9, 12}{1 , 3, 5, 9, 12, 15{ 3, 5, 9, 12, 15 }
Answer» ANSWER: The answer will be the 1ST OPTION- (3,9,12)

21.

1) U = {1, 3, 5, 8, 9, 10, 11, 12, 13, 15}, A = {1, 11, 13} B = {8, 5, 10, 11, 15}, find A' ∩ B '. *{ 3, 9, 12}{1 , 3, 5, 9, 12, 15{ 3, 5, 9, 12, 15 }

Answer»

ANSWER:

The answer will be the 1ST OPTION- (3,9,12)

Discussion

22.	A bottle holds 1/2 pint of liquid. how much would 5 bottles hold?
Answer» Answer: 2.5 MEANS 2.5 PINT of LIQUID in 5 BOTTLES

22.

A bottle holds 1/2 pint of liquid. how much would 5 bottles hold?

Answer»

Answer:

2.5 MEANS 2.5 PINT of LIQUID in 5 BOTTLES

Discussion

23.	E and f are alternate angles if is e equal to 90 degree then f is equal to
Answer» if E EQUALS to 90 degree then F also equals to 90 degree

Discussion

24.	What is the possible ones digit of the square root of 5476
Answer» Answer: IST of all give ROOT to the 5476 and then the SOLUTION will be 74 and 4 is at one's place. so, the answer is 4

24.

What is the possible ones digit of the square root of 5476

Answer»

Answer:

IST of all give ROOT to the 5476 and then the SOLUTION will be 74 and 4 is at one's place. so, the answer is 4

Discussion

25.	The frequency of 8 in the data 2, 1, 8, 3, 4, 5, 8, 6, 8, 7, 9, 8 is
Answer» HI MATE.... But we cannot DRAW table in this app. Mark me as BRAINLIEST then I will FOLLOW you.

25.

The frequency of 8 in the data 2, 1, 8, 3, 4, 5, 8, 6, 8, 7, 9, 8 is

Answer»

HI MATE....

But we cannot DRAW table in this app.

Mark me as BRAINLIEST then I will FOLLOW you.

Discussion

26.	if a to the power 4 + 8 to the power 3 + A square + A + 1 equal to zero then what is the value of e to the power 2000 + 8 power 2010 + 1
Answer» ANSWER: if a to the POWER 4 + 8 to the power 3 + A SQUARE + A + 1 equal to zero then what is the value of e to the power 2000 + 8 power 2010 + 1 yfygub

26.

if a to the power 4 + 8 to the power 3 + A square + A + 1 equal to zero then what is the value of e to the power 2000 + 8 power 2010 + 1

Answer»

ANSWER:

if a to the POWER 4 + 8 to the power 3 + A SQUARE + A + 1 equal to zero then what is the value of e to the power 2000 + 8 power 2010 + 1

yfygub

Discussion

27.	At a point on groumd the angle of elevation of vertical tower is 30 degree found yo be tangent is 5/12 on walking 192 toward tower the tangent of elevation is 3/4. Find height of tower
Answer» ANSWER: 180m Step-by-step explanation: Let TR be the tower such that TR=X P and Q be the POINT on the ground such that tanθ= 12 5 and tanα= 4 3 And QR=y Given PQ=192m In right TRIANGLE TQR, tanα= QR TR = y x ⇒ 4 3 = y x ⇒y= 3 4 x...(1) In right triangle TPR, tanθ= PR TR ⇒ 12 5 = (y+192) x ⇒x= 12 5 (y+192)...(2) ⇒x= 12 5 ( 3 4 x+192) ⇒x= 9 5 x+80 ⇒x− 9 5 x=80 ⇒ 9 4 x=80 ⇒x= 4 9 (80)=180 Hence, the height of the tower is 180 m.

27.

At a point on groumd the angle of elevation of vertical tower is 30 degree found yo be tangent is 5/12 on walking 192 toward tower the tangent of elevation is 3/4. Find height of tower

Answer»

ANSWER: 180m

Step-by-step explanation: Let

TR be the tower such that TR=X

P and Q be the POINT on the ground such that

tanθ=

12

5

and tanα=

4

3

And QR=y

Given

PQ=192m

In right TRIANGLE TQR,

tanα=

QR

TR

=

y

x

⇒

4

3

=

y

x

⇒y=

3

4

x...(1)

In right triangle TPR,

tanθ=

PR

TR

⇒

12

5

=

(y+192)

x

⇒x=

12

5

(y+192)...(2)

⇒x=

12

5

(

3

4

x+192)

⇒x=

9

5

x+80

⇒x−

9

5

x=80

⇒

9

4

x=80

⇒x=

4

9

(80)=180

Hence, the height of the tower is 180 m.

Discussion

28.	E = {x: x= 2n +1, -35n33, ne z
Answer» ANSWER: E=3 Step-by-step explanation: 35-33 = 2 2n-1 = 1 : 2n+1= 3 E =3

28.

E = {x: x= 2n +1, -35n33, ne z

Answer»

ANSWER:

E=3

Step-by-step explanation:

35-33 = 2

2n-1 = 1

: 2n+1= 3

E =3

Discussion

29.	Answer this with step to step explaination
Answer» 24 YEAR of ena I HOPE I HELP you this QUESTION

29.

Answer this with step to step explaination

Answer»

24 YEAR of ena

I HOPE I HELP you this QUESTION

Discussion

30.	Which of the following numbers is the product of 6/13 & - 13/31- 12-2
Answer» ANSWER: -2 is the answer Step-by-step EXPLANATION: MARK me as BRAINLIEST

30.

Which of the following numbers is the product of 6/13 & - 13/31- 12-2

Answer»

ANSWER:

-2 is the answer

Step-by-step EXPLANATION:

MARK me as BRAINLIEST

Discussion

31.	Show that 73 is not a factor of 9423
Answer» In Hungarian, “MULTIPLICATION Table” and “Times Table” are the same expression as “Once Upon a Time”. I very much enjoyed learning that when I went to the school of fairies today where EVEN butterflies can learn to multiply. The AUTHOR translates a sweet POEM from Hungarian into English. I hope you will read the poem and remember its encouraging words whenever you try to solve one of my multiplication table puzzles or any other task that challenges you in life. 73 is a prime number. Prime factorization: 73 is prime. The EXPONENT of prime number 73 is 1. Adding 1 to that exponent we get (1 + 1) = 2. Therefore 73 has exactly 2 factors. Factors of 73: 1, 73 Factor pairs: 73 = 1 x 73 73 has no square factors that allow its square root to be simplified. √73 ≈ 8.5440037

31.

Show that 73 is not a factor of 9423

Answer»

In Hungarian, “MULTIPLICATION Table” and “Times Table” are the same expression as “Once Upon a Time”. I very much enjoyed learning that when I went to the school of fairies today where EVEN butterflies can learn to multiply. The AUTHOR translates a sweet POEM from Hungarian into English. I hope you will read the poem and remember its encouraging words whenever you try to solve one of my multiplication table puzzles or any other task that challenges you in life.

73 is a prime number.

Prime factorization: 73 is prime.

The EXPONENT of prime number 73 is 1. Adding 1 to that exponent we get (1 + 1) = 2. Therefore 73 has exactly 2 factors.

Factors of 73: 1, 73

Factor pairs: 73 = 1 x 73

73 has no square factors that allow its square root to be simplified. √73 ≈ 8.5440037

Discussion

32.	Q1. Evaluate sin( 2 tan-1 1/3
Answer» _45 i THINK it will HELP you Not SURE about the ANSWER

32.

Q1. Evaluate sin( 2 tan-1 1/3

Answer»

_45

i THINK it will HELP you

Not SURE about the ANSWER

Discussion

33.	The wheels of a car are of diameter 80 cm each
Answer» ANSWER: Step-by-step EXPLANATION:

33.

The wheels of a car are of diameter 80 cm each

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

34.	Find the value of the polynomial 5x - 4x²+Bat x-2
Answer» I PROMISE I WILL FOLLOW YOU IF YOU MARK AS BRAINLIST THANKS FOR QUESTION YOUR ANSWER IS ANSWER _______________________________ (i) x = 0 5×0 - 4×0 + 3 => 3 Answer (I) 3 ______________________________ (ii) x = -1 5 × (-1) - 4 × 1 + 3 => -5 - 4 + 3 => -9 + 3 => -6 Answer (ii) -6 ________________________________ (III) x = 2 5 × 2 - 4 × 4 + 3 => 10 - 16 + 3 => 13 - 16 => -3 Answer (iii) -3 5×0 - 4×0 + 3 => 3 Answer (I) 3 ______________________________ (ii) x = -1 5 × (-1) - 4 × 1 + 3 => -5 - 4 + 3 => -9 + 3 => -6 Answer (ii) -6 ________________________________ (iii) x = 2 5 × 2 - 4 × 4 + 3 => 10 - 16 + 3 => 13 - 16 => -3 Answer (iii) -3

34.

Find the value of the polynomial 5x - 4x²+Bat x-2

Answer»

I PROMISE I WILL FOLLOW YOU IF YOU MARK AS BRAINLIST

THANKS FOR QUESTION

YOUR ANSWER IS

ANSWER

_______________________________

(i) x = 0

5×0 - 4×0 + 3

=> 3

Answer (I) 3

______________________________

(ii) x = -1

5 × (-1) - 4 × 1 + 3

=> -5 - 4 + 3

=> -9 + 3

=> -6

Answer (ii) -6

________________________________

(III) x = 2

5 × 2 - 4 × 4 + 3

=> 10 - 16 + 3

=> 13 - 16

=> -3

Answer (iii) -3

5×0 - 4×0 + 3

=> 3

Answer (I) 3

______________________________

(ii) x = -1

5 × (-1) - 4 × 1 + 3

=> -5 - 4 + 3

=> -9 + 3

=> -6

Answer (ii) -6

________________________________

(iii) x = 2

5 × 2 - 4 × 4 + 3

=> 10 - 16 + 3

=> 13 - 16

=> -3

Answer (iii) -3

Discussion

35.	4. cosec theta √1- Cos²theeta = 1
Answer» LHS = cosec∆ √ 1-cos²∆ = cosec∆ ×√ sin²∆ ................{1-cos²∆} = sin²∆ = cosec∆ × sin∆ = cosec∆ × (1/cosec ∆) = 1 = RHS mark as BRAINLIEST.....

Discussion

36.	Find the coordinates of the point which divides the join of (-1,7) and (4, -3) in theratio 2:3
Answer» GIVEN: The join of (-1,7) and (4, -3). It is DIVIDED in 2:3. Let's USE the formula. $(\frac{3x_2+2x_1}{3+2} ,\frac{3y_2+2y_1}{3+2} )$ Given $(x_1,y_1)=(-1,7)$ , $(x_2,y_2)=(4,-3)$ ↓ $(\frac{3x_2+2x_1}{3+2} ,\frac{3y_2+2y_1}{3+2} )=(\frac{12-2}{5} ,\frac{-9+14}{5} )$ ↓ The POINT is $(2, 1)$ .

36.

Find the coordinates of the point which divides the join of (-1,7) and (4, -3) in theratio 2:3

Answer»

GIVEN:

The join of (-1,7) and (4, -3).
It is DIVIDED in 2:3.

Let's USE the formula.

$(\frac{3x_2+2x_1}{3+2} ,\frac{3y_2+2y_1}{3+2} )$

Given $(x_1,y_1)=(-1,7)$ , $(x_2,y_2)=(4,-3)$

↓ $(\frac{3x_2+2x_1}{3+2} ,\frac{3y_2+2y_1}{3+2} )=(\frac{12-2}{5} ,\frac{-9+14}{5} )$

↓ The POINT is $(2, 1)$ .

Discussion

37.	The Perimter of rectanglegiven by 14aIf one of its sides is 79²-29²-4,Fird the other side.
Answer» <P>Answer: 1181 Step-by-step EXPLANATION: perimeter of rectangle P= 2(a+b) consider ONE side as a another one side as 79²-29²-4 perimeter of rectangle=14A b= 79²-29²-4=7086 14a = 2(a+7086) 14a = 2a+14172 12a = 14172 a = 14172 / 12 = 1181

37.

The Perimter of rectanglegiven by 14aIf one of its sides is 79²-29²-4,Fird the other side.

Answer»

<P>Answer:

1181

Step-by-step EXPLANATION:

perimeter of rectangle P= 2(a+b)

consider ONE side as a another one side as 79²-29²-4

perimeter of rectangle=14A

b= 79²-29²-4=7086

14a = 2(a+7086)

14a = 2a+14172

12a = 14172

a = 14172 / 12 = 1181

Discussion

38.	Please help me!!!@kavyanjaliwapa
Answer» ANSWER: okay dear Step-by-step explanation: 3.refer the attachment 4.refer the SECOND attachement 5.If x+1 is a factor of the polynomial 2x2+kx, then the VALUE of k is. HENCE , the value of k is 2. hope it HELPS you!

38.

Please help me!!!@kavyanjaliwapa

Answer»

ANSWER:

okay dear

Step-by-step explanation:

3.refer the attachment

4.refer the SECOND attachement

5.If x+1 is a factor of the polynomial 2x2+kx, then the VALUE of k is. HENCE , the value of k is 2.

hope it HELPS you!

Discussion

39.	1. (i) x2 + xy - x - y
Answer» ANSWER: if U WANT FACTORS, x²-x + xy-y x(x-1)+y(x-1) so, (x+y)(x-1)

39.

1. (i) x2 + xy - x - y

Answer»

ANSWER:

if U WANT FACTORS,

x²-x + xy-y

x(x-1)+y(x-1)

so, (x+y)(x-1)

Discussion

40.	Find the smallest number by which 243 should be divided to obtain perfect cube
Answer» Step-by-step explanation: 3 is *samllest* *NUMBER* nu *which 234 should* be divided to obtain perfect cube**. I hope it will help you PLEASE mark as brainliest please I need it

40.

Find the smallest number by which 243 should be divided to obtain perfect cube

Answer»

Step-by-step explanation:

3 is samllest NUMBER nu which 234 should be divided to obtain perfect cube.

I hope it will help you PLEASE mark as brainliest please I need it

Discussion

41.	10. The sides of a rectangle are in the ratio 3 : 2. If itsperimeter is 50 cm, find its sides.
Answer» Answer: Length of the rectangle is 15 cm and breadth of the rectangle is 10 cm. Step-by-step explanation: Given :- The sides of a rectangle are in the ratio 3:2. PERIMETER of the rectangle is 50 cm. To find :- Its sides. Solution :- ★ The sides of the rectangle are in the ratio 3:2. Consider, Length of the rectangle = 3X cm Breadth of the rectangle = 2x cm. Formula used : ${\boxed{\sf{Perimeter\:of\: rectangle=2(length+breadth)}}}$ ★ Perimeter of the rectangle is 50 cm. According to the question , 2(3x+2x)=50 → 3x+2x = 50/2 → 5x = 25 → x = 25/5 → x = 5 ★ Length of the rectangle = 3×5 = 15 cm ★ Breadth of the rectangle = 2×5 = 10 cm ___________________ Additional information :- ★ Area of rectangle = length× breadth ★ DIAGONAL of rectangle = √(length²+ breadth²) ★ Perimeter of square = 4 × side ★ Area of square = side²

41.

10. The sides of a rectangle are in the ratio 3 : 2. If itsperimeter is 50 cm, find its sides.

Answer»

Answer:

Length of the rectangle is 15 cm and breadth of the rectangle is 10 cm.

Step-by-step explanation:

Given :-

The sides of a rectangle are in the ratio 3:2.
PERIMETER of the rectangle is 50 cm.

To find :-

Its sides.

Solution :-

★ The sides of the rectangle are in the ratio 3:2.

Consider,

Length of the rectangle = 3X cm
Breadth of the rectangle = 2x cm.

Formula used :

${\boxed{\sf{Perimeter\:of\: rectangle=2(length+breadth)}}}$

★ Perimeter of the rectangle is 50 cm.

According to the question ,

2(3x+2x)=50

→ 3x+2x = 50/2

→ 5x = 25

→ x = 25/5

→ x = 5

★ Length of the rectangle = 3×5 = 15 cm

★ Breadth of the rectangle = 2×5 = 10 cm

___________________

Additional information :-

★ Area of rectangle = length× breadth

★ DIAGONAL of rectangle = √(length²+ breadth²)

★ Perimeter of square = 4 × side

★ Area of square = side²

Discussion

42.	1) The graph of X = 2 is parallel to:
Answer» ANSWER: is PARALLEL to y AXIS.... PLEASE mark it as BRAINLIEST

42.

1) The graph of X = 2 is parallel to:

Answer»

ANSWER:

is PARALLEL to y AXIS.... PLEASE mark it as BRAINLIEST

Discussion

43.	Coses o22 sec 2ot cosecocose co - 1cosee o +ellit& coseco
Answer» Your question is incomplete. Please INSERT a picture or an IMAGE clip of the lesson so I can answer your question. Or atleast please MENTION the lesson name. Thank you. HOPE this helps. Please mark Brainliest. If you need more help, feel free to INBOX me and I will explain the answer to you in the easiest way possible.

43.

Coses o22 sec 2ot cosecocose co - 1cosee o +ellit& coseco

Answer»

Your question is incomplete. Please INSERT a picture or an IMAGE clip of the lesson so I can answer your question. Or atleast please MENTION the lesson name.

Thank you. HOPE this helps. Please mark Brainliest.

If you need more help, feel free to INBOX me and I will explain the answer to you in the easiest way possible.

Discussion

44.	If a = q/p then what is 1/a
Answer» ANSWER: OK see the PHOTO Step-by-step explanation: MARK as brilist answer plz mark as brilist answer and GIVE 20 thanks

44.

If a = q/p then what is 1/a

Answer»

ANSWER:

OK see the PHOTO

Step-by-step explanation:

MARK as brilist answer

plz mark as brilist answer and GIVE 20 thanks

Discussion

45.	Answer this with step by step expaination then i will mark him as brainliest one
Answer» SoluTion :- Amount of money Raju has = Rs. 9000 Now, Let the cost of mobile handset be x According to the Question, $\sf {75 \% \ of \ x = 9000}\\\\\sf {\frac{75x}{100} = 9000}\\\\\sf {\frac{3x}{4} = 9000}\\\\\sf {x = \frac{4 \times 9000}{3}}\\\\\sf {x=12000}$ THUS, cost of mobile handset = Rs. 12000 Now, Raju had Rs. 9000 and he BORROWED Rs. 2000 So, now he has 9000 + 2000 = Rs. 11000 Rs. 11000 is less than 12000 Thus, he still has less money. Option (a) Raju still does not have enough amount to buy handset.

45.

Answer this with step by step expaination then i will mark him as brainliest one

Answer»

SoluTion :-

Amount of money Raju has = Rs. 9000

Now,

Let the cost of mobile handset be x

According to the Question,

$\sf {75 \% \ of \ x = 9000}\\\\\sf {\frac{75x}{100} = 9000}\\\\\sf {\frac{3x}{4} = 9000}\\\\\sf {x = \frac{4 \times 9000}{3}}\\\\\sf {x=12000}$

THUS, cost of mobile handset = Rs. 12000

Now,

Raju had Rs. 9000 and he BORROWED Rs. 2000

So, now he has 9000 + 2000 = Rs. 11000

Rs. 11000 is less than 12000

Thus, he still has less money.

Option (a) Raju still does not have enough amount to buy handset.

Discussion

46.	4/7÷6/7of8/9+1/4 book mai iska answer 1 a raha hai solve pl
Answer» 4/7×7/6 of 8/9+1/4 4/6 × 32+9/36 2/3× 41/36 41/54 is it...??

46.

4/7÷6/7of8/9+1/4 book mai iska answer 1 a raha hai solve pl

Answer»

4/7×7/6 of 8/9+1/4

4/6 × 32+9/36

2/3× 41/36

41/54

is it...??

Discussion

47.	Ben is 5 years younger than ron four years later, ron will be twice old as ben find the answer
Answer» answer of this QUESTION is Ben will be 9 years OLD and RON is 18 years old

47.

Ben is 5 years younger than ron four years later, ron will be twice old as ben find the answer

Answer»

answer of this QUESTION is

Ben will be 9 years OLD and RON is 18 years old

Discussion

48.	8. A sum of ` 15625 amounts to ` 17576 at 8% per annum, compounded semi-annually.Find the time. answer in mixed fraction
Answer» ANSWER: answer is7387 I HOPE you to this QUESTION

48.

8. A sum of ` 15625 amounts to ` 17576 at 8% per annum, compounded semi-annually.Find the time. answer in mixed fraction

Answer»

ANSWER:

answer is7387

I HOPE you to this QUESTION

Discussion

49.	Solve the following equation by trial- and- error method.B) 6p-2=3p+13
Answer» <P>ANSWER: p =5 Step-by-step explanation: 6p-2=3p+2 6p-3p=13+2 3p=15 p=15/3 p=5

49.

Solve the following equation by trial- and- error method.B) 6p-2=3p+13

Answer»

<P>ANSWER:

p =5

Step-by-step explanation:

6p-2=3p+2

6p-3p=13+2

3p=15

p=15/3

p=5

Discussion

50.	If the equation (a^2+b^2)x^2-2(ac+bd)x+c^2+d^2=0 then what is the condition
Answer» Step-by-step EXPLANATION: jdjdjdjewo2oeoekfk jxjisiWoowokwe jxjidiierjuyDu1nenjd jddjuwowo

50.

If the equation (a^2+b^2)x^2-2(ac+bd)x+c^2+d^2=0 then what is the condition

Answer»

Step-by-step EXPLANATION:

jdjdjdjewo2oeoekfk jxjisiWoowokwe jxjidiierjuyDu1nenjd jddjuwowo

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