332354 + Interview Questions in Secondary School in Math

1.	Howmany metres are there in 6 six lightyears
Answer» Answer: 56764382835484790 m Step-by-step EXPLANATION: MARK as BRAINLIEST.....

1.

Howmany metres are there in 6 six lightyears

Answer»

Answer:

56764382835484790 m

Step-by-step EXPLANATION:

MARK as BRAINLIEST.....

Discussion

2.	If we multiply five positive integer and one negative integer then the resulting integer is
Answer» ANSWER: NEGATIVE integer. Step-by-step explanation: 22222 is 32 32 * -2 is -64. If there were 2 negatives then it WOULD cancel and be a POSITIVE.

2.

If we multiply five positive integer and one negative integer then the resulting integer is

Answer»

ANSWER:

NEGATIVE integer.

Step-by-step explanation:

2*2*2*2*2 is 32

32 * -2 is -64.

If there were 2 negatives then it WOULD cancel and be a POSITIVE.

Discussion

3.	Q.17 - If 20% of x = 30% of y then x:y isA) 2:3B) 3:2C) 1:2D) 1:3
Answer» Step-by-step explanation: 20/100x=30/100x x/y=30/100*100/20=3:2

3.

Q.17 - If 20% of x = 30% of y then x:y isA) 2:3B) 3:2C) 1:2D) 1:3

Answer»

Step-by-step explanation:

20/100*x=30/100*x
x/y=30/100*100/20=3:2

Discussion

4.	Solve the following pairs of equations by reducing them to a pair of linear equations6x+3y/xy=62x+4y/xy=5
Answer» Step-by-step explanation: Tan Tan TANA Tan Tan Tan Tara Chalti Hai KYA Nau SE Bara tune mara

4.

Solve the following pairs of equations by reducing them to a pair of linear equations6x+3y/xy=62x+4y/xy=5

Answer»

Step-by-step explanation:

Tan Tan TANA Tan Tan Tan Tara Chalti Hai KYA Nau SE Bara tune mara

Discussion

5.	How many three-digit numbers are divisible by 7?
Answer» ANSWER: A=147 a2=154 an=994 D=7 An = a+(n-1)×d Continue the answer DUDE Step-by-step explanation: PLEASE mark BRAINLIEST dude

5.

How many three-digit numbers are divisible by 7?

Answer»

ANSWER:

A=147 a2=154 an=994

D=7

An = a+(n-1)×d

Continue the answer DUDE

Step-by-step explanation:

PLEASE mark BRAINLIEST dude

Discussion

6.	How have technical and economic development led to more consumption of resources ⚔️⚔️ᏒᏗᎷ ᏰᏂᏦᏖ⚔️⚔️
Answer» Step-by-step explanation: Technical and economical development LED to more consumption of resources in the following ways : 1. It increased production which naturally led to the more consumption of resources. 2. It CREATED NEW needs for the people which ULTIMATELY led to more consumption of resources. 3. It increased living standard of people which also led to more consumption of resources. 4. It led to URBANIZATION which also led to more consumption of resources.

6.

How have technical and economic development led to more consumption of resources ⚔️⚔️ᏒᏗᎷ ᏰᏂᏦᏖ⚔️⚔️

Answer»

Step-by-step explanation:

Technical and economical development LED to more consumption of resources in the following ways :

1. It increased production which naturally led to the more consumption of resources.

2. It CREATED NEW needs for the people which ULTIMATELY led to more consumption of resources.

3. It increased living standard of people which also led to more consumption of resources.

4. It led to URBANIZATION which also led to more consumption of resources.

Discussion

7.	Answer plsThis is so hard pls help #beginerr
Answer» Step-by-step EXPLANATION: you have to find the value of f(n) so that put value of n=1,2,3,4 upto n whenever you put!n = even(2,4,6,8.....) you have to USE n/2 for finding f(n) whenever you put n =odd(1,3,5,....) you have to use 3n+1 for finding f(n) put n= 1 => f(n) = 3(1) + 1=4 n=2 => f(2) = 2/2 = 1 n=3 => f(3) = 3(3) + 1 =10 n=4 => f(4) = 4/2 = 2 & so on....

7.

Answer plsThis is so hard pls help #beginerr

Answer»

Step-by-step EXPLANATION:

you have to find the value of f(n)

so that put value of n=1,2,3,4 upto n

whenever you put!n = even(2,4,6,8.....) you have to USE n/2 for finding f(n)

whenever you put n =odd(1,3,5,....) you have to use 3n+1 for finding f(n)

put n= 1 => f(n) = 3(1) + 1=4

n=2 => f(2) = 2/2 = 1

n=3 => f(3) = 3(3) + 1 =10

n=4 => f(4) = 4/2 = 2

& so on....

Discussion

8.	A square of side 40 cm and a rectangle of length 50 cm has same parameter which has greater area
Answer» ANSWER: here is your *answer* .. *HEY* *DUDE* ....I am *SENDING* *the* *PHOTO*...

8.

A square of side 40 cm and a rectangle of length 50 cm has same parameter which has greater area

Answer»

ANSWER:

here is your answer

..

HEY DUDE ....I am SENDING the PHOTO...

Discussion

9.	Find 12 rational numbers between 0.2 and 0.31
Answer» Answer: 0.2 and 0.3 0.21 0.22 0.23 0.24 0.25 0.26 0.27 0.28 0.29. These are some RATIONAL NUMBERS between 0.2 and 0.3 ...

9.

Find 12 rational numbers between 0.2 and 0.31

Answer»

Answer:

0.2 and 0.3 0.21 0.22 0.23 0.24 0.25 0.26 0.27 0.28 0.29. These are some RATIONAL NUMBERS between 0.2 and 0.3 ...

Discussion

10.	5+[14+(-7)-{6×((5+1)×4)}]
Answer» Step-by-step EXPLANATION: HOPE this WOULD HELP you

10.

5+[14+(-7)-{6×((5+1)×4)}]

Answer»

Step-by-step EXPLANATION:

HOPE this WOULD HELP you

Discussion

11.	Mr Narayan deep 6455 at the end of one year at the rate of 14% per annum in RD account find the monthly installment
Answer» Step-by-step explanation: Given Mr Narayan gets 6455 at the end of one year at the rate of 14% per annum in RD account. Find the monthly INSTALLMENT Let the principal P be m Now principal for 12 months will be = n(n + 1) / 2 m = 12 (12 + 1) / 2 = 12 x 13 / 2 = 78 m Now Interest = P [ n(n + 1) / 2 x 1/12 x R / 100] 78 m x 14 x 1 / 100 x 12 = 0.91 m Now money deposited in 12 months will be 12 m Also MATURITY value will be 12 m + 0.91 m = 12.91 m Now according to the question 12.91 m = 6455 Or m = 6455 / 12.91 Or m = RS 500 Therefore monthly installment will be Rs 500 Reference link will be brainly.in/question/4363

11.

Mr Narayan deep 6455 at the end of one year at the rate of 14% per annum in RD account find the monthly installment

Answer»

Step-by-step explanation:

Given Mr Narayan gets 6455 at the end of one year at the rate of 14% per annum in RD account. Find the monthly INSTALLMENT

Let the principal P be m
Now principal for 12 months will be = n(n + 1) / 2 m
= 12 (12 + 1) / 2
= 12 x 13 / 2
= 78 m
Now Interest = P [ n(n + 1) / 2 x 1/12 x R / 100]
78 m x 14 x 1 / 100 x 12
= 0.91 m
Now money deposited in 12 months will be 12 m
Also MATURITY value will be 12 m + 0.91 m
= 12.91 m
Now according to the question
12.91 m = 6455
Or m = 6455 / 12.91
Or m = RS 500

Therefore monthly installment will be Rs 500

Reference link will be

brainly.in/question/4363

Discussion

12.	Corona cases of all states in india
Answer» ANSWER: EXCEPT GOA mate. Thank U

12.

Corona cases of all states in india

Answer»

ANSWER:

EXCEPT GOA mate.

Thank U

Discussion

13.	HCF of 96,108 by long division method
Answer» WELL, I can't DRAW the method here, so you have to adjust 108 / 96 = 96 x 1 + 12 96 / 12 = 12 x 8 + 0 ∴ HCF = 12 : Ans Hope I HELPED

13.

HCF of 96,108 by long division method

Answer»

WELL, I can't DRAW the method here, so you have to adjust

108 / 96 = 96 x 1 + 12

96 / 12 = 12 x 8 + 0

∴ HCF = 12 : Ans

Hope I HELPED

Discussion

14.	Two APs have the same common difference. The difference between their 100th terms is 100,what is the difference between their 1000th terms?
Answer» GIVEN :- Two APs have the same common difference. The difference between their 100th terms is 100. To Find :- what is the difference between their 1000TH terms ? Formula used :- nth Term of AP = a + ( n - 1)d Solution :- → Lets First Term of First AP = a → Let Common Difference of First AP = d So, → T₁₀₀ = a + (100 - 1)d → T₁₀₀ = a + 99d ------------ Equation (1) → Lets First Term of Second AP = b → Let Common Difference of Second AP = d So, → T₁₀₀ = b + (100 - 1)d → T₁₀₀ = b + 99d ------------ Equation (2) Given That, Equation (1) - Equation (2) = 100 . So, → ( a + 99d) - (b + 99d) = 100 → a - b + 99d - 99d = 100 → (a - b) = 100 ------------------ Equation (3). . _________________ Now, we have to Find difference between their 1000th terms . So, → T₁₀₀₀ = a + (1000 - 1)d ( First Series) . → T₁₀₀₀ = a + 999d ---------- Equation (4) And, → T₁₀₀₀ = b + (1000 - 1)d (Second Series) → T₁₀₀₀ = b + 999d ----------------- Equation (5) . So, Equation (4) - Equation (5) :- → (a + 999d) - (b + 999d) → (a - b) + (999d - 999d) → (a - b) + 0 → (a - b) PUTTING Value of Equation (3) Here , we get, → 100 (ANS.)

14.

Two APs have the same common difference. The difference between their 100th terms is 100,what is the difference between their 1000th terms?

Answer»

GIVEN :-

Two APs have the same common difference.
The difference between their 100th terms is 100.

To Find :-

what is the difference between their 1000TH terms ?

Formula used :-

nth Term of AP = a + ( n - 1)d

Solution :-

→ Lets First Term of First AP = a

→ Let Common Difference of First AP = d

So,

→ T₁₀₀ = a + (100 - 1)d

→ T₁₀₀ = a + 99d ------------ Equation (1)

→ Lets First Term of Second AP = b

→ Let Common Difference of Second AP = d

So,

→ T₁₀₀ = b + (100 - 1)d

→ T₁₀₀ = b + 99d ------------ Equation (2)

Given That, Equation (1) - Equation (2) = 100 .

So,

→ ( a + 99d) - (b + 99d) = 100

→ a - b + 99d - 99d = 100

→ (a - b) = 100 ------------------ Equation (3). .

_________________

Now, we have to Find difference between their 1000th terms .

So,

→ T₁₀₀₀ = a + (1000 - 1)d ( First Series) .

→ T₁₀₀₀ = a + 999d ---------- Equation (4)

And,

→ T₁₀₀₀ = b + (1000 - 1)d (Second Series)

→ T₁₀₀₀ = b + 999d ----------------- Equation (5) .

So, Equation (4) - Equation (5) :-

→ (a + 999d) - (b + 999d)

→ (a - b) + (999d - 999d)

→ (a - b) + 0

→ (a - b)

PUTTING Value of Equation (3) Here , we get,

→ 100 (ANS.)

Discussion

15.	EXAMPLE 11 If abc = 1, show that1 1 _1 =1Ita+b 1+b+c T 1+cta!+
Answer» ANSWER: PLEASE MARK me brainliest and FOLLOW me dude

15.

EXAMPLE 11 If abc = 1, show that1 1 _1 =1Ita+b 1+b+c T 1+cta!+

Answer»

ANSWER:

PLEASE MARK me brainliest and FOLLOW me dude

Discussion

16.	Identity linear equation3x+2y=9
Answer» ANSWER: (a+b) =a2+b2+2ab Step-by-step EXPLANATION: you WANT only FORMULA

16.

Identity linear equation3x+2y=9

Answer»

ANSWER:

(a+b) =a2+b2+2ab

Step-by-step EXPLANATION:

you WANT only FORMULA

Discussion

17.	-11b+7 = 40−11b+7=40 what dose b =
Answer» Step-by-step EXPLANATION: SORRY i don't KNOW the ANSWER

17.

-11b+7 = 40−11b+7=40 what dose b =

Answer»

Step-by-step EXPLANATION:

SORRY i don't KNOW the ANSWER

Discussion

18.	The sum of first and 15th term of an arithmetic sequence is 38.(a) What is the sum of 7th and 9th term ?
Answer» The sum of 7TH and 9th TERM is 369. Explanation: Given: sum of first and 15th term = 38 Sum of 7th and 8th term = ? A.P can be written as a, a + d, a + 2d… a + (n – 1)d Let first term = a 15th term = a + (15 – 1)d = a + 14d a + a + 14d = 38 2a + 14d = 38 2(a + 7d) = 38 a + 7d = 38/2 a + 7d = 19 ------(1) [8th term] Therefore, Sum of 7th and 9th term = a + 6d + a + 8d = 19 Common difference, d = 19. Sum of arithmetic series, sₙ = $\frac{n}{2}$ [a + a + 14d] {first and last term} 38 = $\frac{15}{2}$ [2a + 14 x 19] 38 = 7.5[2a + 266] 38 = 15a + 1995 a = -51.5 So, Sum of 7th and 9th term = 2a + 14d = 2 x -51.5 + 14 x 19 = 369 The sum of 7th and 9th term is 369. To KNOW more: The sum of the 2nd term and the 7th term of an AP is 30. If its 15th ... brainly.in/question/1467425 The sum of the THIRD and the seventh terms of an Ap is 6 and their ... brainly.in/question/50894

18.

The sum of first and 15th term of an arithmetic sequence is 38.(a) What is the sum of 7th and 9th term ?

Answer»

The sum of 7TH and 9th TERM is 369.

Explanation:

Given: sum of first and 15th term = 38

Sum of 7th and 8th term = ?

A.P can be written as a, a + d, a + 2d… a + (n – 1)d

Let first term = a

15th term = a + (15 – 1)d = a + 14d

a + a + 14d = 38

2a + 14d = 38

2(a + 7d) = 38

a + 7d = 38/2

a + 7d = 19 ------(1) [8th term]

Therefore,

Sum of 7th and 9th term = a + 6d + a + 8d = 19

Common difference, d = 19.

Sum of arithmetic series, sₙ = $\frac{n}{2}$ [a + a + 14d] {first and last term}

38 = $\frac{15}{2}$ [2a + 14 x 19]

38 = 7.5[2a + 266]

38 = 15a + 1995

a = -51.5

So, Sum of 7th and 9th term = 2a + 14d

= 2 x -51.5 + 14 x 19

= 369

The sum of 7th and 9th term is 369.

To KNOW more:

The sum of the 2nd term and the 7th term of an AP is 30. If its 15th ...

brainly.in/question/1467425

The sum of the THIRD and the seventh terms of an Ap is 6 and their ...

brainly.in/question/50894

Discussion

19.	name the property of mul tiplication. shown by the each of them following statement -12/5×3/4=3/4×-12/5
Answer» ANSWER: COMMUNICATIVE PROPERTY

19.

name the property of mul tiplication. shown by the each of them following statement -12/5×3/4=3/4×-12/5

Answer»

ANSWER:

COMMUNICATIVE PROPERTY

Discussion

20.	v.The ratio of numbers of male and female teachers in a school is 3:4. If thereare 16 female teachers, find the number of male teachers?
Answer» ANSWER: the MALE are 12 in NUMBERS.

20.

v.The ratio of numbers of male and female teachers in a school is 3:4. If thereare 16 female teachers, find the number of male teachers?

Answer»

ANSWER:

the MALE are 12 in NUMBERS.

Discussion

21.	- 60 + - 11 + - 9 + 100
Answer» ANSWER: 2o is answer of UR QUESTION

21.

- 60 + - 11 + - 9 + 100

Answer»

ANSWER:

2o

is answer of UR QUESTION

Discussion

22.	what percentage of 360cm is 12cma school has 800students. 40% of the students are girls.find the number of boys. (think : 60% boys )
Answer» Answer: 480 Step-by-step explanation: 800*60/100=480no. of boys=480 girls =320

22.

what percentage of 360cm is 12cma school has 800students. 40% of the students are girls.find the number of boys. (think : 60% boys )

Answer»

Answer:

480

Step-by-step explanation:

800*60/100=480no. of boys=480

girls =320

Discussion

23.	Complete the statement (-5)×(33)=(5)×
Answer» ANSWER: (-5)×(33)=5×(-33) (-165)=(-165) because 33× (-5)= (-165 )and -33 ×5= -165

23.

Complete the statement (-5)×(33)=(5)×

Answer»

ANSWER:

(-5)×(33)=5×(-33)

(-165)=(-165)

because 33× (-5)= (-165 )and -33 ×5= -165

Discussion

24.	A+b =7,b+c =8,c+a=9 then find mean of a,b,c
Answer» ANSWER: Step-by-step EXPLANATION: a+b+b+c+c+a= 7+8+9 therefore 2[ a+b+c ] = 24 hence a+b+c is 12 mean = a+b+c/3 = 12/3 = 4.

24.

A+b =7,b+c =8,c+a=9 then find mean of a,b,c

Answer»

ANSWER:

Step-by-step EXPLANATION:

a+b+b+c+c+a= 7+8+9

therefore 2[ a+b+c ] = 24

hence a+b+c is 12

mean = a+b+c/3 = 12/3 = 4.

Discussion

25.	If sin a = 8/17 then sec A cos A + cosecA cos A
Answer» Answer: SINA = opp/hyp so using the AREA of triangle, 17^2=8^2+adj^2 289=64+adj^2 289-64=adj^2 225=adj^2 √225=adj adj=15 then cos a = 15/17 sec a = 17/15 COSEC a =17/8 (17/15)15/17+(17/8)15/17 =1+15/8 =1+cot a HOPE YOU GET IT AND I GUESS ITS THE ANSWER SORRY IF ITS WRONG

25.

If sin a = 8/17 then sec A cos A + cosecA cos A

Answer»

Answer:

SINA = opp/hyp

so using the AREA of triangle,

17^2=8^2+adj^2

289=64+adj^2

289-64=adj^2

225=adj^2

√225=adj

adj=15

then cos a = 15/17

sec a = 17/15

COSEC a =17/8

(17/15)15/17+(17/8)15/17

=1+15/8

=1+cot a

HOPE YOU GET IT AND I GUESS ITS THE ANSWER

SORRY IF ITS WRONG

Discussion

26.	Please Help ASAPPlease no wrong Answers
Answer» ans is attached if ANYTHING is WRONG please LET me KNOW..... hope it helps you....

26.

Please Help ASAPPlease no wrong Answers

Answer»

ans is attached if ANYTHING is WRONG please LET me KNOW.....

hope it helps you....

Discussion

27.	Ravi says that I is a root of x 2+4x+4=0Do you agree with Ravi
Answer» Answer: i do not agree with RAVI as 1 is not a root of x square + 4X +4=0. REASON behind this statement is that if we substitute 1 in the expression, LHS is not equal to RHS Step-by-step explanation: hope it helps, please MARK me as BRAINLIEST

27.

Ravi says that I is a root of x 2+4x+4=0Do you agree with Ravi

Answer»

Answer:

i do not agree with RAVI as 1 is not a root of x square + 4X +4=0. REASON behind this statement is that if we substitute 1 in the expression, LHS is not equal to RHS

Step-by-step explanation:

hope it helps, please MARK me as BRAINLIEST

Discussion

28.	What is term of I=ptr/100
Answer» <P>ANSWER: P = Principal Amount. I = Interest Amount. r = Rate of Interest per year in DECIMAL; r = R/100. *R = Rate of Interest per year as a PERCENT; R = r 100.**

28.

What is term of I=ptr/100

Answer»

<P>ANSWER:

P = Principal Amount.

I = Interest Amount.

r = Rate of Interest per year in DECIMAL; r = R/100.

R = Rate of Interest per year as a PERCENT; R = r * 100.

Discussion

29.	Find the LCM byListing multiples i)4,10,12
Answer» Answer: 4,10,12is 60 please MARK me as BRAINLEST

29.

Find the LCM byListing multiples i)4,10,12

Answer»

Answer:

4,10,12is 60

please MARK me as BRAINLEST

Discussion

30.	(-60)+(-11)+(-9)+100
Answer» Answer: answer is 20 Hope it helps you PLZZZZZZZZZ MARK as brainlist PLEASE FOLLOW me and I will follow BACK

30.

(-60)+(-11)+(-9)+100

Answer»

Answer:

answer is 20

Hope it helps you

PLZZZZZZZZZ MARK as brainlist

PLEASE FOLLOW me and I will follow BACK

Discussion

31.	What number should be added to -5/7 to get -2/3
Answer» Answer: 1/21 is ADDED to GET -2/3

31.

What number should be added to -5/7 to get -2/3

Answer»

Answer:

1/21 is ADDED to GET -2/3

Discussion

32.	The predecessor of of 3190 is
Answer» ANSWER: the PREDECESSOR of 3190 is 3191

32.

The predecessor of of 3190 is

Answer»

ANSWER:

the PREDECESSOR of 3190 is 3191

Discussion

33.	LCM of (5x-10); (5 x²-20).
Answer» 5x-10. L. 5x²-20 x. 5-10. l. 5x-20 x. 5-10. l. 5-20 5. 1-2. l. 1-4 2. 1-1. l. 1-2 2. 1-1. l. 1-1 so,lcm= 20x²

33.

LCM of (5x-10); (5 x²-20).

Answer»

5x-10. L. 5x²-20

x. 5-10. l. 5x-20

x. 5-10. l. 5-20

5. 1-2. l. 1-4

2. 1-1. l. 1-2

2. 1-1. l. 1-1

so,lcm=

20x²

Discussion

34.	The 17th term of an AP exceeds its 10th term by 7. Find the common difference.
Answer» Given A word problem To FIND Common DIFFERENCE =cd Solution *According to the question* 17th term = 10th term + 7 ( In an easy language) we have to find 17th and 10th term $\implies{T_n}=a+(n-1)d}$ Now $\implies{T_{10}}$ $\implies{T_{10}=a+(10-1)d}$ $\implies{T_{10}=a+(9)d}$ $\implies{T_{19}=a+9d}$ SIMILARLY $\implies{T_17}$ $\implies{T_{17}=a+(17-1)d}$ $\implies{T_{17}=a+16d}$ Putting the values =>a+16d=a+9d+7 =>16d-9d=7 =>7d=7 d=1 Hence,the VALUE of common difference be 1

34.

The 17th term of an AP exceeds its 10th term by 7. Find the common difference.

Answer»

Given

A word problem

To FIND

Common DIFFERENCE =cd

Solution

According to the question

17th term = 10th term + 7 ( In an easy language)

we have to find 17th and 10th term

$\implies{T_n}=a+(n-1)d}$

Now $\implies{T_{10}}$

$\implies{T_{10}=a+(10-1)d}$

$\implies{T_{10}=a+(9)d}$

$\implies{T_{19}=a+9d}$

SIMILARLY $\implies{T_17}$

$\implies{T_{17}=a+(17-1)d}$

$\implies{T_{17}=a+16d}$

Putting the values

=>a+16d=a+9d+7

=>16d-9d=7

=>7d=7

d=1

Hence,the VALUE of common difference be 1

Discussion

35.	If A is = to 12345 write the element belongs to
Answer» ANSWER: hxhsjxndisdnridijsjsbddjffodbdjdos KB diskdgdhdjdbsusosnsbsjxdoodosksbsodosshdjdxjdjdjxghdjxuxjdhdhddjdjdjdjfjdjdjdjdjdjdjdjdjd

35.

If A is = to 12345 write the element belongs to

Answer»

ANSWER:

hxhsjxndisdnridijsjsbddjffodbdjdos KB diskdgdhdjdbsusosnsbsjxdoodosksbsodosshdjdxjdjdjxghdjxuxjdhdhddjdjdjdjfjdjdjdjdjdjdjdjdjd

Discussion

36.	12 children take 16 days to complete a work which can be completed by 8 adults on 12 days. 16 adult started working and after 3 days, 10 adults leftand 4 children Joined Them. How many days will They take to complete the remaining work.
Answer» 10 STUDENT LEFT total 12 STUDENTS 2students 4student ollredi 16DAYS work completed and 6student Completelyworking Is 32day

Discussion

37.	5/2x+1 +6/x+1=3 factorise it
Answer» Answer: 5/2x+1 6/x+1=3 =5/1x+1 3/x+1=3 5x-2 3/1x=3 3/2x 3/1x=3 2x+1x=3

37.

5/2x+1 +6/x+1=3 factorise it

Answer»

Answer:

5/2x+1 6/x+1=3

=5/1x+1 3/x+1=3

5x-2 3/1x=3

3/2x 3/1x=3

2x+1x=3

Discussion

38.	At what time the pond is 1/2 filled with fishes?
Answer» it OS DEPEND on them $....$

38.

At what time the pond is 1/2 filled with fishes?

Answer»

it OS DEPEND on them

$....$

Discussion

39.	Formula of area of square
Answer» ANSWER: HEY mate.. your answer is (*SIDE) ² that* is, *side* X *side* *hope* *this* *HELPS.. please* *mark* me as *the* *Brainliest*

39.

Formula of area of square

Answer»

ANSWER:

HEY mate.. your answer is (SIDE) ²

that is, side X side

hope this HELPS..

please mark me as the Brainliest

Discussion

40.	X+y=4;2x-y=5solve by inversion and reduction method
Answer» Answer: 3;4 Step-by-step EXPLANATION: X+y=4 2x-y=5 sum x+y+2x-y=4+5 3x=9 x=3 put x on EQUATION 1 3+y=4 y=4-3 y=1

40.

X+y=4;2x-y=5solve by inversion and reduction method

Answer»

Answer:

3;4

Step-by-step EXPLANATION:

X+y=4

2x-y=5

sum

x+y+2x-y=4+5

3x=9

x=3

put x on EQUATION 1

3+y=4

y=4-3

y=1

Discussion

41.	A²+b²+1/a²+1/b²=4 then find a²+b²
Answer» Step-by-step EXPLANATION: HOPE this HELPS you.....

41.

A²+b²+1/a²+1/b²=4 then find a²+b²

Answer»

Step-by-step EXPLANATION:

HOPE this HELPS you.....

Discussion

42.	Find the amount and the compound interest on 2000 at 10% p.a. for 5/2 years,compounded annually.
Answer» Step-by-step EXPLANATION: p=2000,r=10 PERCENT,time=5/2so, as we KNOW that the FORMULA is a=p(1+r/100)^5/2 = a=2000(1+10/100)= a=2000*11=22,000is AMOUNT

42.

Find the amount and the compound interest on 2000 at 10% p.a. for 5/2 years,compounded annually.

Answer»

Step-by-step EXPLANATION:

p=2000,r=10 PERCENT,time=5/2so, as we KNOW that the FORMULA is a=p(1+r/100)^5/2 = a=2000(1+10/100)= a=2000*11=22,000is AMOUNT

Discussion

43.	Solve the equation 7 x + 4by x + 2 is equal to minus 4 by 3
Answer» Answer: 20/ 21 Step-by-step EXPLANATION: MAY THIS HELP UHH

43.

Solve the equation 7 x + 4by x + 2 is equal to minus 4 by 3

Answer»

Answer:

20/ 21

Step-by-step EXPLANATION:

MAY THIS HELP UHH

Discussion

44.	Why is it that (32^1/3)^5 is not the same as 32^3/5?please show ur step by step solution and explain and ill mark you brainliestplease be specific pleasei need solutions asap
Answer» ANSWER: it is not the same because [32^1/3]^5 MEANS 32^5/3 as we MULTIPLY the POWERS. it cannot be 32^3/5.

44.

Why is it that (32^1/3)^5 is not the same as 32^3/5?please show ur step by step solution and explain and ill mark you brainliestplease be specific pleasei need solutions asap

Answer»

ANSWER:

it is not the same because [32^1/3]^5 MEANS 32^5/3 as we MULTIPLY the POWERS. it cannot be 32^3/5.

Discussion

45.	How much smaller is 4x²-4x+9 than 17+10x²+6×
Answer» Answer: 6x²+2x+8 MUST be ADDED

45.

How much smaller is 4x²-4x+9 than 17+10x²+6×

Answer»

Answer:

6x²+2x+8 MUST be ADDED

Discussion

46.	A=x²+x+1 B=x²+x-1 i)a+b ii)a-2b iii)a+2b iv)a-b
Answer» ANSWER: I) 2(x^2+x) II) -x^2-x+3 iii) 3x^2+3x-1 iv) 2

46.

A=x²+x+1 B=x²+x-1 i)a+b ii)a-2b iii)a+2b iv)a-b

Answer»

ANSWER:

I) 2(x^2+x)

II) -x^2-x+3

iii) 3x^2+3x-1

iv) 2

Discussion

47.	If the 3rd and the 9th terms of an AP are 4 and -8 respectively, which term of this AP is zero?
Answer» ANSWER: the answer is the 5TH TERM of the AP is ZERO

47.

If the 3rd and the 9th terms of an AP are 4 and -8 respectively, which term of this AP is zero?

Answer»

ANSWER:

the answer is the 5TH TERM of the AP is ZERO

Discussion

48.	6x+3y/xy=6 2x+4y/xy=5
Answer» ANSWER: x=9. y=18 Step-by-step explanation: 6x+3y/2x+4y=6/5 x/y=9/18

48.

6x+3y/xy=6 2x+4y/xy=5

Answer»

ANSWER:

x=9. y=18

Step-by-step explanation:

6x+3y/2x+4y=6/5

x/y=9/18

Discussion

49.	In the figure abcd find the area of the shaded
Answer» ANSWER: 160 is the answer of the GIVEN FIGURE

49.

In the figure abcd find the area of the shaded

Answer»

ANSWER:

160 is the answer of the GIVEN FIGURE

Discussion

50.	Plzzz help me with this exercise plz reply fast
Answer» ANSWER: I THINK answer is (B) I think it's HELPFUL for U

50.

Plzzz help me with this exercise plz reply fast

Answer»

ANSWER:

I THINK answer is (B)

I think it's HELPFUL for U

Discussion

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