332354 + Interview Questions in Secondary School in Math

1.	The sum of two integer is 73.if one of them is -55 ,find the other
Answer» ANSWER: the CORRECT answer is 138...

1.

The sum of two integer is 73.if one of them is -55 ,find the other

Answer»

ANSWER:

the CORRECT answer is 138...

Discussion

2.	(-7/6)+7/6=× answer please
Answer» ANSWER: (-7/6)+(7/6)=0 Step-by-step EXPLANATION:

2.

(-7/6)+7/6=× answer please

Answer»

ANSWER:

(-7/6)+(7/6)=0

Step-by-step EXPLANATION:

Discussion

3.	P kg of potatoes are bought for rs 70 . cost of 1kg of potatoes (in rs) is _________.
Answer» ANSWER: I THINK 7RS.. Will be answer

3.

P kg of potatoes are bought for rs 70 . cost of 1kg of potatoes (in rs) is _________.

Answer»

ANSWER:

I THINK 7RS.. Will be answer

Discussion

4.	Sohan was putting covers on his note books. He put one fourth of the covers on Monday. He put another one fourth on Tuesday and the remaining on Wednesday. What fraction of the covers did he put on Wednesday?
Answer» Step-by-step EXPLANATION: LET the total part of the COVER is 1 . *Monday,* he *put* , 1/4 *cover* *Tuesday,* he *put* 1/4 *cover* # *total* he *did* , 1/4+1/4 =2/4 =1/2 *rest* *cover* = 1-1/2 = 1/2 so, *this* 1/2 *fraction he put* on *Wednesday*

4.

Sohan was putting covers on his note books. He put one fourth of the covers on Monday. He put another one fourth on Tuesday and the remaining on Wednesday. What fraction of the covers did he put on Wednesday?

Answer»

Step-by-step EXPLANATION:

LET the total part of the COVER is 1 .

Monday,

he put , 1/4 cover

Tuesday,

he put 1/4 cover

# total he did ,

1/4+1/4

=2/4

=1/2

rest cover = 1-1/2

= 1/2

so, this 1/2 fraction he put on Wednesday

Discussion

5.	Write the sum of exponents of prime factors in prime factorisation of 98
Answer» ANSWER: Answer : 1,2,7,14,49,98, Related LINKS : Is 98 a rational NUMBER? Step-by-step EXPLANATION:

5.

Write the sum of exponents of prime factors in prime factorisation of 98

Answer»

ANSWER:

Answer : 1,2,7,14,49,98, Related LINKS : Is 98 a rational NUMBER?

Step-by-step EXPLANATION:

Discussion

6.	Akhila says, "points A(1, 3), B(2, 2), C(5, 1) are collinear". Do you agree with Akhila? Why!?
Answer» The POINTS will be collinear only if the TRIANGLE they FORM has an area of 0 sq units Area of ∆ = 1/2(x1(y2-Y3) + x2(y3-y1) + x3(y1-y2)) When: (x1,y1) = (1,3) (x2,y2) = (2,2) (x3,y3) = (5,1) => Area of ∆ = 1/2(1(2-1) + 2(1-3) + 5(3-2)) => Area of ∆ = 1/2(1 - 4 + 5) => Area of ∆ = 1 Since area of ∆ ≠ 0, the points aren't collinear. Thus, I don't AGREE with Akhil

6.

Akhila says, "points A(1, 3), B(2, 2), C(5, 1) are collinear". Do you agree with Akhila? Why!?

Answer»

The POINTS will be collinear only if the TRIANGLE they FORM has an area of 0 sq units

Area of ∆ = 1/2(x1(y2-Y3) + x2(y3-y1) + x3(y1-y2))

When:

(x1,y1) = (1,3)
(x2,y2) = (2,2)
(x3,y3) = (5,1)

=> Area of ∆ = 1/2(1(2-1) + 2(1-3) + 5(3-2))

=> Area of ∆ = 1/2(1 - 4 + 5)

=> Area of ∆ = 1

Since area of ∆ ≠ 0, the points aren't collinear.

Thus, I don't AGREE with Akhil

Discussion

7.	Find the zeroes of the given polynomial X2-6x+9
Answer» ANSWER: $p(0) = 0 {}^{2} - 6(0) + 9 \\ = 9$

7.

Find the zeroes of the given polynomial X2-6x+9

Answer»

ANSWER:

$p(0) = 0 {}^{2} - 6(0) + 9 \\ = 9$

Discussion

8.	Two irrational number between 0.2301 and 0.2424
Answer» Answer: 0.2333 and 0.2555 Step-by-step EXPLANATION:

8.

Two irrational number between 0.2301 and 0.2424

Answer»

Answer:

0.2333 and 0.2555

Step-by-step EXPLANATION:

Discussion

9.	. Evaluate: (-12)3 + (20)3 + (-8)3.
Answer» ANSWER: REMOVE the brackets -123+203-8*3 simplify the sum -36+60-2+24-24 =0 hope it HELPS..

9.

. Evaluate: (-12)3 + (20)3 + (-8)3.

Answer»

ANSWER:

REMOVE the brackets

-12*3+20*3-8*3

simplify the sum

-36+60-2+24-24

=0

hope it HELPS..

Discussion

10.	5root16 * 5root2 solve the following
Answer» Step-by-step explanation: 5^16 ×5²= 5^(16×2) =5^32

10.

5root16 * 5root2 solve the following

Answer»

Step-by-step explanation:

5^16 ×5²= 5^(16×2)

=5^32

Discussion

11.	Can you tell me what is the formula for Alpha²+beta?
Answer» ANSWER: (ALPHA +BETA )^2 - 2( alpha × beta )

11.

Can you tell me what is the formula for Alpha²+beta?

Answer»

ANSWER:

(ALPHA +BETA )^2 - 2( alpha × beta )

Discussion

12.	Evaluate correct to three place of decimals - 0.67/5.08
Answer» Answer: 0.1318 yeah here is UR ANS HOPE it helps u

12.

Evaluate correct to three place of decimals - 0.67/5.08

Answer»

Answer:

0.1318 yeah here is UR ANS HOPE it helps u

Discussion

13.	How many rational no. are there between -1/3 and -1/2 ? Write any 5
Answer» Step-by-step EXPLANATION: -1/3 and -1/2 LCM is 6 -2/6 and -3/6 as we WANT five number so multiply DENOMINATOR and NUMERATOR by 5 -10/30 and -15/30 five numbers are -11/30, -12/30, -13/30, -14/30 and -15/30

13.

How many rational no. are there between -1/3 and -1/2 ? Write any 5

Answer»

Step-by-step EXPLANATION:

-1/3 and -1/2 LCM is 6

-2/6 and -3/6

as we WANT five number so multiply DENOMINATOR and NUMERATOR by 5

-10/30 and -15/30

five numbers are -11/30, -12/30, -13/30, -14/30 and -15/30

Discussion

14.	Ii) Roohi travels 300 km to her home partly byhours if she travels 60 km by train and the remaining by bus. If she travels 100 kmby train and the remaining by bus, she takes 10 minutes longer. Find the speed ofthe train and the bus separately.
Answer» Answer: 60 km/h and 80 km/h Step-by-step EXPLANATION:

14.

Ii) Roohi travels 300 km to her home partly byhours if she travels 60 km by train and the remaining by bus. If she travels 100 kmby train and the remaining by bus, she takes 10 minutes longer. Find the speed ofthe train and the bus separately.

Answer»

Answer:

60 km/h and 80 km/h

Step-by-step EXPLANATION:

Discussion

15.	Find angles (A+B+C+D+E+F+G) in the given figure.Please answer it correctly with explanation
Answer» Step-by-step explanation: on joining the FOLLOWING VERTICES together they form a HEXAGON so A+B+C+D+E+F+G= (n-2)180=(6-2)180=4×180=720°

15.

Find angles (A+B+C+D+E+F+G) in the given figure.Please answer it correctly with explanation

Answer»

Step-by-step explanation:

on joining the FOLLOWING VERTICES together they

form a HEXAGON

so

A+B+C+D+E+F+G= (n-2)180=(6-2)180=4×180=720°

Discussion

16.	If the square of the difference of zeros of the quadratic polynomial f(x) = x^2 + px + 45 is equal to 144 find the value of p.pls ans asapits urgent
Answer» <P>ANSWER: D=b^2-4ac =p (p)^2-4(1)(45) p^2-180=144 p^2=144+180 p^2=324 p= $\sqrt{324}$ p=18

16.

If the square of the difference of zeros of the quadratic polynomial f(x) = x^2 + px + 45 is equal to 144 find the value of p.pls ans asapits urgent

Answer»

<P>ANSWER:

D=b^2-4ac

=p

(p)^2-4(1)(45)

p^2-180=144

p^2=144+180

p^2=324

p=

$\sqrt{324}$

p=18

Discussion

17.	2. Verify each of the following:2-72i)XX5665
Answer» ANSWER: what ? QUESTION is not CLEAR

17.

2. Verify each of the following:2-72i)XX5665

Answer»

ANSWER:

what ?

QUESTION is not CLEAR

Discussion

18.	I need full explanation and solution ...i will mark as brainliest
Answer» Answer: TRY to give one question ok U r GIVING exercise

18.

I need full explanation and solution ...i will mark as brainliest

Answer»

Answer:

TRY to give one question ok

U r GIVING exercise

Discussion

19.	If the volume of the sphere is 36 cm cube then find the radius of the sphere
Answer» Step-by-step EXPLANATION: so HOTE I don't KNOW the ANSWER

19.

If the volume of the sphere is 36 cm cube then find the radius of the sphere

Answer»

Step-by-step EXPLANATION:

so HOTE I don't KNOW the ANSWER

Discussion

20.	any budy have dought you can ask me in whatsapp my number 8197947802 how have dought they only answer any subject any time
Answer» ANSWER: Its DOUBT BROO not DOUGHT

20.

any budy have dought you can ask me in whatsapp my number 8197947802 how have dought they only answer any subject any time

Answer»

ANSWER:

Its DOUBT BROO not DOUGHT

Discussion

21.	1) How should you transcribe hours?a) 1 pm, 10 pm, 1 o'clock, ten o'clockb) 1.00 pm, 10 am, 1 o'clock, 11 o'clockc) 2:00 pm, 11:45 am, six o'clock, eleven o'clock
Answer» ANSWER: B) 1.00 pm, 10 am, 1 o'clock, 11 o'clock Step-by-step explanation:

21.

1) How should you transcribe hours?a) 1 pm, 10 pm, 1 o'clock, ten o'clockb) 1.00 pm, 10 am, 1 o'clock, 11 o'clockc) 2:00 pm, 11:45 am, six o'clock, eleven o'clock

Answer»

ANSWER:

B) 1.00 pm, 10 am, 1 o'clock, 11 o'clock

Step-by-step explanation:

Discussion

22.	A&B are two partners in ratio 3:2 they admit C as a partner with 1/2 share. find new share . future share among A&B is 1:1
Answer» Answer: hi RACHEL I have to BUY a player CALLED walker he is a player called walker he was androgamer7 don't know if you have

22.

A&B are two partners in ratio 3:2 they admit C as a partner with 1/2 share. find new share . future share among A&B is 1:1

Answer»

Answer:

hi RACHEL I have to BUY a player CALLED walker he is a player called walker he was androgamer7 don't know if you have

Discussion

23.	X+y+z+xy+yz+zx+xyz=384 Find x+y+z???
Answer» Answer: x + y + Z = 20 Step-by-step explanation: x y z + XY + y z + x z + x + y + z = 384 x y ( z + 1) + z ( x + y) + (x + y) + z = 384 x y (z + 1) + ( x + y ) ( z + 1) + z = 384 add 1 to both the sides x y (z + 1) + (x + y)(z + 1) +( z + 1) = 384 +1 (z + 1) ( xy + x+y + 1) = 385 ( z + 1) {x(y+1) + 1( y+1)} = 385 ( z + 1) ( y + 1) ( x + 1) = 5 x 7 x 11 (x+1), (y+1), (z+1) hold either of these values. 5 or 7 or 11 x, y, z hold either of the values 4, 6 , or 10 Hence, x + y + z = 4 + 6 + 10 = 20

23.

X+y+z+xy+yz+zx+xyz=384 Find x+y+z???

Answer»

Answer:

x + y + Z = 20

Step-by-step explanation:

x y z + XY + y z + x z + x + y + z = 384

x y ( z + 1) + z ( x + y) + (x + y) + z = 384

x y (z + 1) + ( x + y ) ( z + 1) + z = 384

add 1 to both the sides

x y (z + 1) + (x + y)(z + 1) +( z + 1) = 384 +1

(z + 1) ( xy + x+y + 1) = 385

( z + 1) {x(y+1) + 1( y+1)} = 385

( z + 1) ( y + 1) ( x + 1) = 5 x 7 x 11

(x+1), (y+1), (z+1) hold either of these values. 5 or 7 or 11

x, y, z hold either of the values 4, 6 , or 10

Hence, x + y + z = 4 + 6 + 10 = 20

Discussion

24.	Expand ( x + y + 2 )
Answer» ANSWER: the answer will be this only = x+y+2

24.

Expand ( x + y + 2 )

Answer»

ANSWER:

the answer will be this only = x+y+2

Discussion

25.	Show that a1, a2, ....... an....... form an AP where an = 4 also find the sum of the first 15terms.
Answer» ANSWER: Step-by-step EXPLANATION:

25.

Show that a1, a2, ....... an....... form an AP where an = 4 also find the sum of the first 15terms.

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

26.	0.3x+0y-36=0 linear equation in two variables
Answer» MARK me brainliest Its not a linear EQUATION BCZ according to the question ax+by+c=0 Where a or b should not be 0

Discussion

27.	How many solutions does the linear equation 2x-3y+1=0
Answer» ANSWER: we can make infinitely many SOLUTIONS by any liners pair with 2 variables..... such as , 2x - 3y = -1 Putting X = 0 then y will be, 2 × 0 - 3y = -1 => y = 1/3.... Similarly putting different VALUES for x we can obtain different values of y.....

27.

How many solutions does the linear equation 2x-3y+1=0

Answer»

ANSWER:

we can make infinitely many SOLUTIONS by any liners pair with 2 variables.....

such as , 2x - 3y = -1

Putting X = 0 then y will be, 2 × 0 - 3y = -1

=> y = 1/3....

Similarly putting different VALUES for x we can obtain different values of y.....

Discussion

28.	7 meter 25 centimeter is equal to
Answer» Answer: 725 *CENTIMETERS* I *HOPE* it *HELPS* *you*.....

28.

7 meter 25 centimeter is equal to

Answer»

Answer:

725 CENTIMETERS

I HOPE it HELPS you.....

Discussion

29.	Pls answerGgjggayuguyayugsgyuuygsgsgggegyeyg
Answer» Answer: 2x+38a1242638383($+3+73u

29.

Pls answerGgjggayuguyayugsgyuuygsgsgggegyeyg

Answer»

Answer:

2x+38a1242638383($+3+73u

Discussion

30.	Please answer this question completely and I will mark as brainlist
Answer» Answer: Line B is longer than line A Step-by-step EXPLANATION: Line B = 7 CM Line A = 6 cm 7>6 ∴Line B is greater than line A

30.

Please answer this question completely and I will mark as brainlist

Answer»

Answer:

Line B is longer than line A

Step-by-step EXPLANATION:

Line B = 7 CM

Line A = 6 cm

7>6

∴Line B is greater than line A

Discussion

31.	If zeroes of the polynomial p(x)=x^2+(a+b)x+b are 2 and -3, then find the value of (a+b)
Answer» <P>Answer: p(x) = x²+(a+b)x+b p = 1 q = (a+b) R = b Let α & β be the ZEROES of p(x), α = 2 β = -3 α+β = -q/p 2+(-3) = -(a+b) /1 -1 = -a+b b = a-1 -----------(1) αβ = r/p (2)(-3) = b/1 -6 = b/1 -6 = b b = -6 Substitute value of b in equation (1), -6 = a-1 -6+1 = a a = -5 So a = -5 and b = -6 a+b = -5+(-6) = -5-6 = -11

31.

If zeroes of the polynomial p(x)=x^2+(a+b)x+b are 2 and -3, then find the value of (a+b)

Answer»

<P>Answer:

p(x) = x²+(a+b)x+b

p = 1

q = (a+b)

R = b

Let α & β be the ZEROES of p(x),

α = 2

β = -3

α+β = -q/p

2+(-3) = -(a+b) /1

-1 = -a+b

b = a-1 -----------(1)

αβ = r/p

(2)(-3) = b/1

-6 = b/1

-6 = b

b = -6

Substitute value of b in equation (1),

-6 = a-1

-6+1 = a

a = -5

So a = -5 and b = -6

a+b = -5+(-6) = -5-6 = -11

Discussion

32.	(-5+2√5-√5) is _______.
Answer» ANSWER: -5+√5 is the answer to your QUESTION

32.

(-5+2√5-√5) is _______.

Answer»

ANSWER:

-5+√5 is the answer to your QUESTION

Discussion

33.	Pls tell the answer : q) Evaluate: or factorise; 16x^2 +8x+1 pls answer
Answer» $Given \: Quadratic \: polynomial : \\16x^{2} + 8x + 1$ $16x^{2} + 8x + 1\\ = (4x)^{2} + 2 \times (4x) \times 1 + 1^{2}$ $\boxed { \pink { Since, a^{2} +2ab + b^{2} = (a+b)^{2} }}$ $= ( 4x+ 1 )^{2} \\= ( 4x + 1 )(4x + 1)$ THEREFORE., $\red { Factors \:of \:16x^{2} + 8x + 1 } \green {= ( 4x + 1 )(4x + 1)}$ •••♪

33.

Pls tell the answer : q) Evaluate: or factorise; 16x^2 +8x+1 pls answer

Answer»

$Given \: Quadratic \: polynomial : \\16x^{2} + 8x + 1$

$16x^{2} + 8x + 1\\ = (4x)^{2} + 2 \times (4x) \times 1 + 1^{2}$

$\boxed { \pink { Since, a^{2} +2ab + b^{2} = (a+b)^{2} }}$

$= ( 4x+ 1 )^{2} \\= ( 4x + 1 )(4x + 1)$

THEREFORE.,

$\red { Factors \:of \:16x^{2} + 8x + 1 } \green {= ( 4x + 1 )(4x + 1)}$

•••♪

Discussion

34.	A vessel is in the form of hemispherical bowl surmounted by a hollow cylinder the diameter of the hemisphere is 21 cm and the total height of the vessel is 14.5 cm find the capacity
Answer» $\purple{\bold{\underline{\underline{Question:-}}}}$ A VESSEL is in the FORM of HEMISPHERICAL bowl surmounted by a hollow CYLINDER the diameter of the hemisphere is 21 cm and the total height of the vessel is 14.5 cm find the capacity. $\purple{\bold{\underline{\underline{Answer:-}}}}$ The diameter of the hemisphere is 21 cm and the total height of the vessel is 14.5. Height of the cylinder = Height of the vessel - Radius of the hemisphere . Therefore the total capacity of the vessel is 3808.035 cm³ $\pink{\bold{\underline{\underline{Thanks!}}}}$

34.

A vessel is in the form of hemispherical bowl surmounted by a hollow cylinder the diameter of the hemisphere is 21 cm and the total height of the vessel is 14.5 cm find the capacity

Answer»

$\purple{\bold{\underline{\underline{Question:-}}}}$

A VESSEL is in the FORM of HEMISPHERICAL bowl surmounted by a hollow CYLINDER the diameter of the hemisphere is 21 cm and the total height of the vessel is 14.5 cm find the capacity.

$\purple{\bold{\underline{\underline{Answer:-}}}}$

The diameter of the hemisphere is 21 cm and the total height of the vessel is 14.5. Height of the cylinder = Height of the vessel - Radius of the hemisphere . Therefore the total capacity of the vessel is 3808.035 cm³

$\pink{\bold{\underline{\underline{Thanks!}}}}$

Discussion

35.	53(A)1010237(C)(D)1010-15. If sec - tano then lies in the2(A) first quadrant (B) second quadrant(C) third quadrant (D) fourth quadrantIf cos 0 + sin 0 = V2 cos 0, thencos - sin 0 =(A)I sin A
Answer» ANSWER: Step-by-step EXPLANATION: cosa+sina=V2cosa =square on both sides =1+2sinacosa=2cos^2a =2sinacosa=2cos^2a-1 =sin2a=cos2a cosa-sina square =1-2sinacosa =1-cos2a =1-2cos^2+1 =2-2cos^2 =2(1-cos^2) =2(sin^2) =2sin^2 take ROOT then =V2sina then cosa-sina=V2sina

35.

53(A)1010237(C)(D)1010-15. If sec - tano then lies in the2(A) first quadrant (B) second quadrant(C) third quadrant (D) fourth quadrantIf cos 0 + sin 0 = V2 cos 0, thencos - sin 0 =(A)I sin A

Answer»

ANSWER:

Step-by-step EXPLANATION:

cosa+sina=V2cosa

=square on both sides

=1+2sinacosa=2cos^2a

=2sinacosa=2cos^2a-1

=sin2a=cos2a

cosa-sina

square

=1-2sinacosa

=1-cos2a

=1-2cos^2+1

=2-2cos^2

=2(1-cos^2)

=2(sin^2)

=2sin^2

take ROOT then

=V2sina

then cosa-sina=V2sina

Discussion

36.	Dueonefor1 Ram and Raman wanus to pack Lobocentimeters Cubes in the bores. Theseto be sent to a company - Thesethree different boxes availablepackingBox-1 Box - 71Box - IT20 cmLengthIm15 cmBreadth locmIlcm am6 cmTocm TocmHeightwrite the mumber of centimetercubes that can be doranged ina Box)Box-11C BOX-11which box is most suitable a
Answer» Step-by-step EXPLANATION: What is UR Question... write properly... GIVE Thanks..♥️

36.

Dueonefor1 Ram and Raman wanus to pack Lobocentimeters Cubes in the bores. Theseto be sent to a company - Thesethree different boxes availablepackingBox-1 Box - 71Box - IT20 cmLengthIm15 cmBreadth locmIlcm am6 cmTocm TocmHeightwrite the mumber of centimetercubes that can be doranged ina Box)Box-11C BOX-11which box is most suitable a

Answer»

Step-by-step EXPLANATION:

What is UR Question...

write properly...

GIVE Thanks..♥️

Discussion

37.	X² - 10x + 9 middle term splitting?
Answer» ANSWER: Step-by-step explanation: X²-10 X+9 =0 PRODUCT = 9 SUM = -10 NUMBERS:-1 AND -9. X²-X-9 X+9 =0 X(X-1) -9(X-1) =0 (X-9)(X-1)=0 X-9 =0 X= 9 X-1 = 0 X=1. THEREFORE : X= 9 OR X=1. HOPE THIS HELPS.

37.

X² - 10x + 9 middle term splitting?

Answer»

ANSWER:

Step-by-step explanation:

X²-10 X+9 =0

PRODUCT = 9

SUM = -10

NUMBERS:-1 AND -9.

X²-X-9 X+9 =0

X(X-1) -9(X-1) =0

(X-9)(X-1)=0

X-9 =0

X= 9

X-1 = 0

X=1.

THEREFORE :

X= 9 OR X=1.

HOPE THIS HELPS.

Discussion

38.	Please explain step by step.
Answer» ANSWER: I HOPE it will HELP you and Mark my answer as BRAINLIST PLEASE

38.

Please explain step by step.

Answer»

ANSWER:

I HOPE it will HELP you and Mark my answer as BRAINLIST PLEASE

Discussion

39.	Devide p(x) with g(x) : p(x)=xcube-3x square +5x -3 , g(x) =x square -2
Answer» ANSWER: The answer is QUOTIENT = X + 3 remainder = 7X + 3 Step-by-step EXPLANATION:

39.

Devide p(x) with g(x) : p(x)=xcube-3x square +5x -3 , g(x) =x square -2

Answer»

ANSWER:

The answer is

QUOTIENT = X + 3

remainder = 7X + 3

Step-by-step EXPLANATION:

Discussion

40.	Find the ratio in which the line segment joining the points (2,4,5) and (3,5,-4) is divided by the XY-plane ?
Answer» $\underline{\textsf{GIVEN:}}$ $\textsf{Points are (2,4,5) and (3,5,-4)}$ $\underline{\textsf{TO FIND:}}$ $\textsf{The ratio in which the line segment joining the given points is divided by xy plane}$ $\underline{\textsf{SOLUTION:}}$ $\underline{\textsf{CONCEPT USED:}}$ $\boxed{\begin{minipage}{9cm}$\\\;\;\textsf{The co ordinates of the point which divides the line segment}\\\\\mathsf{joining\;(x_1,y_1,z_1)\;and\;(x_2,y_2,z_2)\;internally\;in\;the\;ratio \;m:n}\\\\\mathsf{are\;\;\left(\dfrac{mx_2+nx_1}{m+n},\dfrac{my_2+ny_1}{m+n},\dfrac{mz_2+nz_1}{m+n}\right)}\\$\end{minipage}}$ $\textsf{Let P be the point which divides the line segment joining (2,4,5)}$ $\textsf{and (3,5,-4) interrnally in the ratio m:n)}$ $\textsf{Then, co-ordinates of P are}$ $\mathsf{\left(\dfrac{mx_2+nx_1}{m+n},\dfrac{my_2+ny_1}{m+n},\dfrac{mz_2+nz_1}{m+n}\right)}$ $\mathsf{\left(\dfrac{m(3)+n(2)}{m+n},\dfrac{m(5)+n(4)}{m+n},\dfrac{m(-4)+n(5)}{m+n}\right)}$ $\mathsf{\left(\dfrac{3m+2n}{m+n},\dfrac{5m+4n}{m+n},\dfrac{-4m+5n}{m+n}\right)}$ $\textsf{Since the line segment joining the given points is divided by xy plane,}$ $\textsf{z component of P is zero}$ $\implies\mathsf{\dfrac{-4m+5n}{m+n}=0}$ $\implies\mathsf{-4m+5n=0}$ $\implies\mathsf{4m=5n}$ $\implies\mathsf{\dfrac{m}{n}=\dfrac{5}{4}}$ $\implies\boxed{\mathsf{m:n=5:4}}$ $\underline{\textsf{FIND MORE:}}$ In what ratio is the line segment joining A(2,-3)&B(5,6) divided by x-axis ALSO find the COORDINATE of the point of division. brainly.in/question/7118881 Find the ratio in which the line segment joining the points (- 2 3) and (3 - 2) is divided by y axis brainly.in/question/14355682 Find the ratio in which the line segment joining the points (-3,10), and(6,-8) is divided by(-1,6) brainly.in/question/17730071

40.

Find the ratio in which the line segment joining the points (2,4,5) and (3,5,-4) is divided by the XY-plane ?

Answer»

$\underline{\textsf{GIVEN:}}$

$\textsf{Points are (2,4,5) and (3,5,-4)}$

$\underline{\textsf{TO FIND:}}$

$\textsf{The ratio in which the line segment joining the given points is divided by xy plane}$

$\underline{\textsf{SOLUTION:}}$

$\underline{\textsf{CONCEPT USED:}}$

$\boxed{\begin{minipage}{9cm}$\\\;\;\textsf{The co ordinates of the point which divides the line segment}\\\\\mathsf{joining\;(x_1,y_1,z_1)\;and\;(x_2,y_2,z_2)\;internally\;in\;the\;ratio \;m:n}\\\\\mathsf{are\;\;\left(\dfrac{mx_2+nx_1}{m+n},\dfrac{my_2+ny_1}{m+n},\dfrac{mz_2+nz_1}{m+n}\right)}\\$\end{minipage}}$

$\textsf{Let P be the point which divides the line segment joining (2,4,5)}$

$\textsf{and (3,5,-4) interrnally in the ratio m:n)}$

$\textsf{Then, co-ordinates of P are}$

$\mathsf{\left(\dfrac{mx_2+nx_1}{m+n},\dfrac{my_2+ny_1}{m+n},\dfrac{mz_2+nz_1}{m+n}\right)}$

$\mathsf{\left(\dfrac{m(3)+n(2)}{m+n},\dfrac{m(5)+n(4)}{m+n},\dfrac{m(-4)+n(5)}{m+n}\right)}$

$\mathsf{\left(\dfrac{3m+2n}{m+n},\dfrac{5m+4n}{m+n},\dfrac{-4m+5n}{m+n}\right)}$

$\textsf{Since the line segment joining the given points is divided by xy plane,}$

$\textsf{z component of P is zero}$

$\implies\mathsf{\dfrac{-4m+5n}{m+n}=0}$

$\implies\mathsf{-4m+5n=0}$

$\implies\mathsf{4m=5n}$

$\implies\mathsf{\dfrac{m}{n}=\dfrac{5}{4}}$

$\implies\boxed{\mathsf{m:n=5:4}}$

$\underline{\textsf{FIND MORE:}}$

In what ratio is the line segment joining A(2,-3)&B(5,6) divided by x-axis ALSO find the COORDINATE of the point of division.

brainly.in/question/7118881

Find the ratio in which the line segment joining the points (- 2 3) and (3 - 2) is divided by y axis

brainly.in/question/14355682

Find the ratio in which the line segment joining the points (-3,10), and(6,-8) is divided by(-1,6)

brainly.in/question/17730071

Discussion

41.	Solve the following equation (a) 3(a-1)=8
Answer» ANSWER: a) $3a - 3 = 8 \\ 3a = 11 \\ a = \frac{11}{3}$

41.

Solve the following equation (a) 3(a-1)=8

Answer»

ANSWER:

a)

$3a - 3 = 8 \\ 3a = 11 \\ a = \frac{11}{3}$

Discussion

42.	If two Zeroes of the polynomials f(x)=x^4-6x^3-26x^2+138x-35are 2 +-√ 3. find theother Zeroes
Answer» ANSWER: I do t know Step-by-step EXPLANATION:

42.

If two Zeroes of the polynomials f(x)=x^4-6x^3-26x^2+138x-35are 2 +-√ 3. find theother Zeroes

Answer»

ANSWER:

I do t know

Step-by-step EXPLANATION:

Discussion

43.	Pls tell the answer : q) Evaluate: or factorise; 16x^2 +8x+1
Answer» Step-by-step EXPLANATION: HOPE it's HELPFUL for you

43.

Pls tell the answer : q) Evaluate: or factorise; 16x^2 +8x+1

Answer»

Step-by-step EXPLANATION:

HOPE it's HELPFUL for you

Discussion

44.	Explain whether 3×5×11×13+52 is a prime or composite number
Answer» ANSWER: Composite No. The number which has more than TWO factors. 13(3×5×11×1+52) =13(217) =814 814 is a composite Number

44.

Explain whether 3×5×11×13+52 is a prime or composite number

Answer»

ANSWER:

Composite No. The number which has more than TWO factors.

13(3×5×11×1+52)

=13(217)

=814

814 is a composite Number

Discussion

45.	Express each of the following in the form p/q 0.222...
Answer» Answer: 0.222=222/1000 Hope It HELPS FOLLOW ME

45.

Express each of the following in the form p/q 0.222...

Answer»

Answer:

0.222=222/1000

Hope It HELPS

FOLLOW ME

Discussion

46.	Directions (11-15) : What should come in place of the questionmark (?) in the following number se-ries?11.4 19 49 94 154(1) 223(2) 225(3) 229(4) 239(5) None of these
Answer» Answer: (3) 229 Step-by-step explanation: 19-4=15 49-19=30 94-49=45 154-94=60 x-154=75 x=154+75 x=229 ans is (3) 229 please MARK me as brainliest

46.

Directions (11-15) : What should come in place of the questionmark (?) in the following number se-ries?11.4 19 49 94 154(1) 223(2) 225(3) 229(4) 239(5) None of these

Answer»

Answer:

(3) 229

Step-by-step explanation:

19-4=15

49-19=30

94-49=45

154-94=60

x-154=75

x=154+75

x=229

ans is (3) 229

please MARK me as brainliest

Discussion

47.	Product of the number = product of there hcf and lcm 25 and 65
Answer» ANSWER: I THINK 1625 Step-by-step EXPLANATION:

47.

Product of the number = product of there hcf and lcm 25 and 65

Answer»

ANSWER:

I THINK 1625

Step-by-step EXPLANATION:

Discussion

48.	Write the sequences of natural numbers got by dividing by 3 and leaves the reminder 2.
Answer» ANSWER:I am sorry Step-by-step EXPLANATION:

48.

Write the sequences of natural numbers got by dividing by 3 and leaves the reminder 2.

Answer»

ANSWER:I am sorry

Step-by-step EXPLANATION:

Discussion

49.	TermAP is20H19th termand 3rd tormis lolFind AB10th टर्म ऑफ एपी 2019 फॉर्म ऑफ नॉट 15 एपी एंड शॉर्ट टर्म
Answer» ANSWER: PLEASE write in English can't UNDERSTAND

49.

TermAP is20H19th termand 3rd tormis lolFind AB10th टर्म ऑफ एपी 2019 फॉर्म ऑफ नॉट 15 एपी एंड शॉर्ट टर्म

Answer»

ANSWER:

PLEASE write in English can't UNDERSTAND

Discussion

50.	Only for tamil people......
Answer» Step-by-step EXPLANATION: ANSWER is that QUESTION by a U HAUL

50.

Only for tamil people......

Answer»

Step-by-step EXPLANATION:

ANSWER is that QUESTION by a U HAUL

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