332354 + Interview Questions in Secondary School in Math Page 173 InterviewSolution

8601.	If x2+1/x2=83 then find (x2-1/x2) and (x3+1/x3)
Answer» ANSWER: 5 is the Answer PLEASE MARK me as BRAINLIST

8601.

If x2+1/x2=83 then find (x2-1/x2) and (x3+1/x3)

Answer»

ANSWER:

5 is the Answer PLEASE MARK me as BRAINLIST

Discussion

8602.	Simplify the following: 8xy+ 3ab -5xy +11ab -100a
Answer» Step-by-step explanation: 15 a 2 b − 10 a b 2 FACTOR 5 a b out of 15 a 2 b . 5 a b ( 3 a ) − 10 a b 2 Factor 5 a b out of − 10 a b 2 . 5 a b ( 3 a ) + 5 a b ( − 2 b ) Factor 5 a b out of 5 a b ( 3 a ) + 5 a b ( − 2 b ) . 5 a b ( 3 a − 2 b )

8602.

Simplify the following: 8xy+ 3ab -5xy +11ab -100a

Answer»

Step-by-step explanation:

15

a

2

b

−

10

a

b

2

FACTOR

5

a

b

out of

15

a

2

b

.

5

a

b

(

3

a

)

−

10

a

b

2

Factor

5

a

b

out of

−

10

a

b

2

.

5

a

b

(

3

a

)

+

5

a

b

(

−

2

b

)

Factor

5

a

b

out of

5

a

b

(

3

a

)

+

5

a

b

(

−

2

b

)

.

5

a

b

(

3

a

−

2

b

)

Discussion

8603.	How to solve thiscan any one help me doing this
Answer» ANSWER: this is EASY QUESTION my TEACHER is SAID

8603.

How to solve thiscan any one help me doing this

Answer»

ANSWER:

this is EASY QUESTION my TEACHER is SAID

Discussion

8604.	The nth term of a sequence -2,6,-18,54,… is: *
Answer» $\huge\fbox\pink{✯Answer✯}$ If the FIRST term of the SEQUENCE is a and the COMMON RATIO is R, then the geometric sequence can be written as $a \\ ar \\ a {r}^{2} \\ a {r}^{3} \\ ... \\ a {r}^{n - 1}$ *Hence* $n \: th \: term =a {r}^{n - 1}$ $\huge\boxed{\dag\sf\red{Thanks}\dag}$

8604.

The nth term of a sequence -2,6,-18,54,… is: *

Answer»

$\huge\fbox\pink{✯Answer✯}$

If the FIRST term of the SEQUENCE is a and the COMMON RATIO is R, then the geometric sequence can be written as

$a \\ ar \\ a {r}^{2} \\ a {r}^{3} \\ ... \\ a {r}^{n - 1}$

Hence

$n \: th \: term =a {r}^{n - 1}$

$\huge\boxed{\dag\sf\red{Thanks}\dag}$

Discussion

8605.	14. a) i) Compute the third difference of f(32) from the following table and verify th results by means of the difference table X: 32 33 34 35 Y: 539 8568 8765 21364
Answer» Answer: Places A and B are 100km apart on a highway ONE CAR starts from A and other from B at the same time. If the cars travel in the same direction at DIFFERENT speeds, they meet in 5 hours. If they travel towards each other, they meet in 1 hour. What are the speeds of two cars? Step-by-step EXPLANATION: please mark me as brainlist answer

8605.

14. a) i) Compute the third difference of f(32) from the following table and verify th results by means of the difference table X: 32 33 34 35 Y: 539 8568 8765 21364

Answer»

Answer:

Places A and B are 100km apart on a highway ONE CAR starts from A and other from B at the same time. If the cars travel in the same direction at DIFFERENT speeds, they meet in 5 hours. If they travel towards each other, they meet in 1 hour. What are the speeds of two cars?

Step-by-step EXPLANATION:

please mark me as brainlist answer

Discussion

8606.	Write in standard form 2x+3_4xsquare
Answer» ANSWER: your answer is in the ATTACHMENT

8606.

Write in standard form 2x+3_4xsquare

Answer»

ANSWER:

your answer is in the ATTACHMENT

Discussion

8607.	(a) (6,35)(e) (15,64)Which of the following pair of numbers are coprime.(b) (16.22 (c) 19.52) (d) (36.55)() (21,36)Find the H.C.F. of the following by division method.(a 16 and 36(b) 24 and 54 (c) 18 and 27 (d) 69 and 92(e) 80 and 128 (1) 20 and 45 (g) 120, 160 and 180(h) 18,24 and 48 (i) 124,186 and 279LEAST COMMON MULTIPLEnsider the followingaltiples of 2 are: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20,ultiples of 3 are:3, 6, 9, 12, 15, 18, 21, 24, 27, 30,ultinlos ofand 3 are: 6.12.18
Answer» Step-by-step explanation: b bjyz yvvgyv ho ovj BUB UH bj j H

8607.

(a) (6,35)(e) (15,64)Which of the following pair of numbers are coprime.(b) (16.22 (c) 19.52) (d) (36.55)() (21,36)Find the H.C.F. of the following by division method.(a 16 and 36(b) 24 and 54 (c) 18 and 27 (d) 69 and 92(e) 80 and 128 (1) 20 and 45 (g) 120, 160 and 180(h) 18,24 and 48 (i) 124,186 and 279LEAST COMMON MULTIPLEnsider the followingaltiples of 2 are: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20,ultiples of 3 are:3, 6, 9, 12, 15, 18, 21, 24, 27, 30,ultinlos ofand 3 are: 6.12.18

Answer»

Step-by-step explanation:

b bjyz yvvgyv ho ovj BUB UH bj j H

Discussion

8608.	F Find the Laplace transform of 3^t
Answer» ANSWER: Q=f Find the Laplace TRANSFORM of 3^t A= t is the POWER of 3 Step-by-step explanation: hope it HELPS you mark as me brainlist DROP thanks please

8608.

F Find the Laplace transform of 3^t

Answer»

ANSWER:

Q=f Find the Laplace TRANSFORM of 3^t

A= t is the POWER of 3

Step-by-step explanation:

hope it HELPS you mark as me brainlist DROP thanks please

Discussion

8609.	1. Find the row rank3 4 1 23 2 1 47. 6 2 5
Answer» Answer: You NEED to FIND the side SIZE of the biggest square submatrix with non-zero determinant. ORIGINALLY ANSWERED: How do I find rank of a 3x4 matrix using minor method? Expand your matrix and evaluate the minors. The first non-zero minor gives you the rank.

8609.

1. Find the row rank3 4 1 23 2 1 47. 6 2 5

Answer»

Answer:

You NEED to FIND the side SIZE of the biggest square submatrix with non-zero determinant. ORIGINALLY ANSWERED: How do I find rank of a 3x4 matrix using minor method? Expand your matrix and evaluate the minors. The first non-zero minor gives you the rank.

Discussion

8610.	The h.c.f of 12a²b² and 10ab
Answer» Step-by-step EXPLANATION: Step-by-step explanation:We observe Step-by-step explanation:We observe5a Step-by-step explanation:We observe5a 2 Step-by-step explanation:We observe5a 2 B Step-by-step explanation:We observe5a 2 b 2 Step-by-step explanation:We observe5a 2 b 2 =5×a Step-by-step explanation:We observe5a 2 b 2 =5×a 2 Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b 3 Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b 3 ×2 Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b 3 ×2 2 Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b 3 ×2 2 . Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b 3 ×2 2 .THEREFORE HCF=5×a×b Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b 3 ×2 2 .Therefore HCF=5×a×b 2 Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b 3 ×2 2 .Therefore HCF=5×a×b 2 .

8610.

The h.c.f of 12a²b² and 10ab

Answer»

Step-by-step EXPLANATION:

Step-by-step explanation:We observe

Step-by-step explanation:We observe5a

Step-by-step explanation:We observe5a 2

Step-by-step explanation:We observe5a 2 B

Step-by-step explanation:We observe5a 2 b 2

Step-by-step explanation:We observe5a 2 b 2 =5×a

Step-by-step explanation:We observe5a 2 b 2 =5×a 2

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b 3

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b 3 ×2

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b 3 ×2 2

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b 3 ×2 2 .

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b 3 ×2 2 .THEREFORE HCF=5×a×b

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b 3 ×2 2 .Therefore HCF=5×a×b 2

Step-by-step explanation:We observe5a 2 b 2 =5×a 2 ×b 2 , 10ab 2 =5×a×b 2 ×2, 20ab 3 =5×a×b 3 ×2 2 .Therefore HCF=5×a×b 2 .

Discussion

8611.	Simplify each of the following 55 ÷5 +18+19 of 2-50
Answer» ANSWER: 2,304 Step-by-step explanation: 55÷5 is 11 and 11+18+19=48 and 48×48we have to do so the answer is 2304

8611.

Simplify each of the following 55 ÷5 +18+19 of 2-50

Answer»

ANSWER:

2,304

Step-by-step explanation:

55÷5 is 11

and 11+18+19=48 and

48×48we have to do

so the answer is 2304

Discussion

8612.	is 21,296 a perfect cube? if not, then fine the smallest no. by which 21,296 must be divided so that the quotient is a perfect cube
Answer» Answer: Step-by-step EXPLANATION: 21296 is not a PERFECT CUBE.. It should be divided by 2 to be a perfect cube.. 21296 divided by 2 is 10648 that is a perfect cube... PLEASE mark me brainiest

8612.

is 21,296 a perfect cube? if not, then fine the smallest no. by which 21,296 must be divided so that the quotient is a perfect cube

Answer»

Answer:

Step-by-step EXPLANATION: 21296 is not a PERFECT CUBE.. It should be divided by 2 to be a perfect cube.. 21296 divided by 2 is 10648 that is a perfect cube...

PLEASE mark me brainiest

Discussion

8613.	Ratio is denoted by _________
Answer» ANSWER: : Step-by-step explanation: The RATIO SIGN is denoted by the upper GIVEN symbol

8613.

Ratio is denoted by _________

Answer»

ANSWER:

:

Step-by-step explanation:

The RATIO SIGN is denoted by the upper GIVEN symbol

Discussion

8614.	The whole number nearest to 5501 which is a multiple of 1000 is 6000
Answer» 6000 is the answer . Step-by-step explanation: hope it helps U all PLEASE MARK it brainliest

8614.

The whole number nearest to 5501 which is a multiple of 1000 is 6000

Answer»

6000 is the answer .

Step-by-step explanation:

hope it helps U all

PLEASE MARK it brainliest

Discussion

8615.	Find the value of k if the Quarditic equatation(k+1)^2×x -2(K-1)x+1=0 has equal roots.
Answer» ANSWER: hhevd dbsbz X DHX d bdklssjksd. djxjdbf. fjfbf F fjckwksodkx Step-by-step EXPLANATION: hwgegdjdj

8615.

Find the value of k if the Quarditic equatation(k+1)^2×x -2(K-1)x+1=0 has equal roots.

Answer»

ANSWER:

hhevd dbsbz X DHX d bdklssjksd. djxjdbf. fjfbf F fjckwksodkx

Step-by-step EXPLANATION:

hwgegdjdj

Discussion

8616.	A smoll proJect is composed of seven activities whose time estimate are useed in the table as follow .1-2 ,1,1,71-3 1,4,72-4,2,2,82-5,1,1,13-5,2,5,14-65-6
Answer» ANSWER: LOL bruhhhhhh cantttttt

8616.

A smoll proJect is composed of seven activities whose time estimate are useed in the table as follow .1-2 ,1,1,71-3 1,4,72-4,2,2,82-5,1,1,13-5,2,5,14-65-6

Answer»

ANSWER:

LOL bruhhhhhh cantttttt

Discussion

8617.	Plz answer fast ฅ^•ﻌ•^ฅฅ^•ﻌ•^ฅ
Answer» ANSWER: answer is OPTION a ,AB.

8617.

Plz answer fast ฅ^•ﻌ•^ฅฅ^•ﻌ•^ฅ

Answer»

ANSWER:

answer is OPTION a ,AB.

Discussion

8618.	Splitting the middle term of 2x²-3x-8
Answer» Answer: STEP USING the quadratic FORMULA Step-by-step EXPLANATION: x= 2 41 +3 ≈4.701562119 x= 2 3− 41 ≈−1.701562119

8618.

Splitting the middle term of 2x²-3x-8

Answer»

Answer:

STEP USING the quadratic FORMULA

Step-by-step EXPLANATION:

x= 2

41

+3

≈4.701562119

x=

2

3−

41

≈−1.701562119

Discussion

8619.	A surface of shape has1. Length, breadth and thickness 2. Length and breadth only 3. Length and thickness only4. Breadth and thickness only
Answer» ANSWER: LENGTH BREADTH and THICKNESS

8619.

A surface of shape has1. Length, breadth and thickness 2. Length and breadth only 3. Length and thickness only4. Breadth and thickness only

Answer»

ANSWER:

LENGTH BREADTH and THICKNESS

Discussion

8620.	Which one is perfect cube 125,-510,-1000,100,729,2744,-4096,-4000,-5831,6860
Answer» from me the answer is -1000 because it is a PERFECT CUBE And If you WANT to find any cube do it by PRIME factorizations method

Discussion

8621.	Write the algebraic expression for the following statement:One third of the product of the numbers p and q
Answer» (1/3)pq Step-by-step explanation: ONE THIRD (1/3) of (multiplication) product of NUMBERS p and Q (p×q)

8621.

Write the algebraic expression for the following statement:One third of the product of the numbers p and q

Answer»

(1/3)pq

Step-by-step explanation:

ONE THIRD (1/3)

of (multiplication)

product of NUMBERS p and Q (p×q)

Discussion

8622.	See the attachment for questions
Answer» answer: No Step-by-step explanation: 21296 is not a PERFECT CUBE.. It should be divided by 2 to be a perfect cube.. 21296 divided by 2 is 10648 that is a perfect cube... Cube ROOT of 10648 is 22 Step-by-step explanation:

8622.

See the attachment for questions

Answer»

answer:

No

Step-by-step explanation:

21296 is not a PERFECT CUBE..

It should be divided by 2 to be a perfect cube..

21296 divided by 2 is 10648 that is a perfect cube...

Cube ROOT of 10648 is 22

Step-by-step explanation:

Discussion

8623.	find the product using suitable properties. 1)26×(-48)+(-48)×(-36)
Answer» ANSWER: dshseeg3geydhgsegehehvrrggdgeghehd

8623.

find the product using suitable properties. 1)26×(-48)+(-48)×(-36)

Answer»

ANSWER:

dshseeg3geydhgsegehehvrrggdgeghehd

Discussion

8624.	Q.21 Divide the sum of 65/12 and 8/3 by their difference. Q.22 70% of the students in a school are boys and the number of girls is 504. Find the number of boys in the school. Q.23 By what number should – 8/15 be multiplied to get 24? Q.24 A Rectangular sheet of paper 15 3/4 cm long and 12 1/2 am wide. Find its perimeter Q.25 find the product of (4) (5)X(-8)+(-10
Answer» 21 Answer> The SUM of 65/12 + 8/3 = 31/4 their differences is 65/12-8/3=37/12 Divide the sum by his differences 31/4÷37/12=31/4×12/37 ( RECIPOCAL) =372/148

8624.

Q.21 Divide the sum of 65/12 and 8/3 by their difference. Q.22 70% of the students in a school are boys and the number of girls is 504. Find the number of boys in the school. Q.23 By what number should – 8/15 be multiplied to get 24? Q.24 A Rectangular sheet of paper 15 3/4 cm long and 12 1/2 am wide. Find its perimeter Q.25 find the product of (4) (5)X(-8)+(-10

Answer»

21 Answer>

The SUM of 65/12 + 8/3 = 31/4

their differences is 65/12-8/3=37/12

Divide the sum by his differences

31/4÷37/12=31/4×12/37 ( RECIPOCAL)

=372/148

Discussion

8625.	If sinθ = 3/5 , the value of 2sinθ,
Answer» Answer: 6/5 Step-by-step EXPLANATION: Just SUBSTITUTE bro MARK ME AS BRAINLIEST

8625.

If sinθ = 3/5 , the value of 2sinθ,

Answer»

Answer:

6/5

Step-by-step EXPLANATION:

Just SUBSTITUTE bro

MARK ME AS BRAINLIEST

Discussion

8626.	find the curved surface area and the total surface area of a cylinder the diameter of whose base is 7 cm and height is 60 CM
Answer» ANSWER: curved surface area = 1320 cm² Total Surface area = 1397 cm² & Volume of Cylinder =2310 cm³ if DIAMETER = 7 cm & height = 60 cm. LEARN more: The curved surface area of a right CIRCULAR cylinder of base radius Step-by-step explanation: hope it helps you

8626.

find the curved surface area and the total surface area of a cylinder the diameter of whose base is 7 cm and height is 60 CM

Answer»

ANSWER:

curved surface area = 1320 cm² Total Surface area = 1397 cm² & Volume of Cylinder =2310 cm³ if DIAMETER = 7 cm & height = 60 cm. LEARN more: The curved surface area of a right CIRCULAR cylinder of base radius

Step-by-step explanation:

hope it helps you

Discussion

8627.	Please solve this question. I Will mark your answer as brainliest answer. If you don't know the answer then don't write
Answer» ANSWER: [-24, 0] PUT sinx = t y = T3 – 6t2 + 11t – 6, – 1 ≤ t ≤ 1 f(–1) = – 24, f(1) = 0

8627.

Please solve this question. I Will mark your answer as brainliest answer. If you don't know the answer then don't write

Answer»

ANSWER:

[-24, 0]

PUT sinx = t y = T3 – 6t2 + 11t – 6, – 1 ≤ t ≤ 1 f(–1) = – 24, f(1) = 0

Discussion

8628.	Find whether the series ((-1)n.sin sin 1/n is converges absolutely or conditionally
Answer» Answer: hi FRIENDS how are you ihope you are GOOD Step-by-step EXPLANATION: good HAPPY LIFE

8628.

Find whether the series ((-1)n.sin sin 1/n is converges absolutely or conditionally

Answer»

Answer:

hi FRIENDS how are you ihope you are GOOD

Step-by-step EXPLANATION:

good HAPPY LIFE

Discussion

8629.	Solve please...!!!! Urgently needed
Answer» Answer: EASY you can write by your own because this very simple if you are CBSE SCHOOL serach in NCRET solutions ok thank you BYE

8629.

Solve please...!!!! Urgently needed

Answer»

Answer:

EASY you can write by your own because this very simple if you are CBSE SCHOOL serach in NCRET solutions ok thank you BYE

Discussion

8630.	Solve the system of equations 5x+12y-10=0 2x-3y+35=0 x=□ y=□ `
Answer» ANSWER: X=–22 Y=–10 STEP BY *STEP* *EXPLATION: BY ELIMINATION* METHOD 5x+12y=10 --(1) 2x-3y=–*35--(2)* *MULTIPLY* BY 3 IN *EQUATION* (2) *5X+12Y=10 8X–12y=–140* ---------------------- *13y* =130 y =–130 13 y =–10 *PUTTING* *THE* *VALUE* OF Y IN *EQUATION* 1 *5X+12Y=10 5X+12(10)=10 5X+120=10 5X=10-120 5X=–110 X=–110 5 X= –22 SO THE* *VALUE* OF X=–22& *VALUE* OF Y=–10 *HOPE* IT *HELP* *YOU* *MARK* ME AS *BRAINLIST*

8630.

Solve the system of equations 5x+12y-10=0 2x-3y+35=0 x=□ y=□ `

Answer»

ANSWER:

X=–22 Y=–10

STEP BY STEP EXPLATION:

BY ELIMINATION METHOD

5x+12y=10 --(1)

2x-3y=–35--(2)

MULTIPLY BY 3 IN EQUATION (2)

5X+12Y=10

8X–12y=–140

----------------------

13y =130

y =–130

13

y =–10

PUTTING THE VALUE OF Y IN EQUATION 1

5X+12Y=10

5X+12(10)=10

5X+120=10

5X=10-120

5X=–110

X=–110

5

X= –22

SO THE VALUE OF X=–22& VALUE OF Y=–10

HOPE IT HELP YOU

MARK ME AS BRAINLIST

Discussion

8631.	Zero of the polynomial p(x)=3x-5 is
Answer» <P>Answer: p(X)=3X-5 = 3x = 5 = x = $\frac{5}{3}$ Therefore, zero of polynomial is $\frac{5}{3}$

8631.

Zero of the polynomial p(x)=3x-5 is

Answer»

<P>Answer:

p(X)=3X-5

= 3x = 5

= x = $\frac{5}{3}$

Therefore, zero of polynomial is $\frac{5}{3}$

Discussion

8632.	If 30,120 amd x are in proportion find x
Answer» ANSWER: 60. ${x}^{2} = 3600 \\ x = 60$ This is the answer

8632.

If 30,120 amd x are in proportion find x

Answer»

ANSWER:

60.

${x}^{2} = 3600 \\ x = 60$

This is the answer

Discussion

8633.	Factorise by grouping method : a³+a-3a²-3
Answer» ANSWER: a (a²+1) -3(x²+1) (a-3) (a²+1)

8633.

Factorise by grouping method : a³+a-3a²-3

Answer»

ANSWER:

a (a²+1) -3(x²+1)

(a-3) (a²+1)

Discussion

8634.	एकता को माध्यमिक परीक्षा में रीमा से 7 अंक अधिक मिले यदि संख्याओं का योग 117 है, तो संख्या कौन है
Answer» Answer: 55,62 Step-by-step EXPLANATION: X+(x+7) = 117 2x+7 = 117 2x = 117-7 x= 110/2 x= 55 reema's MARKS x = 55 Ekta's marks x+7 = 55+7 = 62 55+62= 117

8634.

एकता को माध्यमिक परीक्षा में रीमा से 7 अंक अधिक मिले यदि संख्याओं का योग 117 है, तो संख्या कौन है

Answer»

Answer:

55,62

Step-by-step EXPLANATION:

X+(x+7) = 117

2x+7 = 117

2x = 117-7

x= 110/2

x= 55

reema's MARKS x = 55

Ekta's marks x+7 = 55+7 = 62

55+62= 117

Discussion

8635.	Urgent please solve
Answer» $\large\underline{\sf{Solution-}}$ Given determinant is $\rm :\longmapsto\:\rm \: \begin{gathered}\sf \left \| \begin{array}{ccc}\cos(x + y)& - sin(x + y)&cos2y\\sinx&cosx& siny\\ - cosx& sinx& - cosy\end{array}\right \| \end{gathered}$ We know that $\boxed{ \rm{ cos(x + y) = cosxcosy - sinxsiny}}$ $\boxed{ \rm{ sin(x + y) = sinxcosy + sinycosx}}$ $\boxed{ \rm{ cos2x = {cos}^{2}x - {sin}^{2}x}}$ So, using these Identities, we get $\rm \: = \: \begin{gathered}\sf \left \| \begin{array}{ccc}\ \: cosxcosy - sinxsiny& - (sinxcosy + sinycosx)& {cos}^{2}y - {sin}^{2}y \\sinx&cosx& siny\\ - cosx& sinx& - cosy\end{array}\right \| \end{gathered}$ can be rewritten as $\rm \: = \: \begin{gathered}\sf \left \| \begin{array}{ccc}\ \: cosxcosy - sinxsiny& - sinxcosy - sinycosx& {cos}^{2}y - {sin}^{2}y \\sinx&cosx& siny\\ - cosx& sinx& - cosy\end{array}\right \| \end{gathered}$ $\boxed{ \bf{ \: OP \: R_1 \: \longmapsto \: R_1 \: + \: cosx \: R_3}}$ $\rm \: = \: \begin{gathered}\sf \left \| \begin{array}{ccc}\ \: - sinxsiny& - sinycosx& - {sin}^{2}y \\sinx&cosx& siny\\ - cosx& sinx& - cosy\end{array}\right \| \end{gathered}$ $\boxed{ \bf{ \: OP \: R_1 \: \longmapsto \: R_1 \: + \: siny \: R_2}}$ $\rm \: = \: \begin{gathered}\sf \left \| \begin{array}{ccc}\ \: <klux>0</klux>& 0& 0 \\sinx&cosx& siny\\ - cosx& sinx& - cosy\end{array}\right \| \end{gathered}$ We know, If elements of any row or column are all 0, then determinant VALUE is 0. $\rm \: = \: \: 0$ Hence, the value of $\red{\rm :\longmapsto\:\rm \: \begin{gathered}\sf \left \| \begin{array}{ccc}\cos(x + y)& - sin(x + y)&cos2y\\sinx&cosx& siny\\ - cosx& sinx& - cosy\end{array}\right \| \end{gathered} = 0}$ Additional Information :- 1. The determinant value remains unaltered if rows and columns are interchanged. 2. The determinant value is 0, if TWO rows or columns are identical. 3. The determinant value is multiplied by - 1, if successive rows or columns are interchanged. 4. The determinant value remains unaltered if rows or columns are added or SUBTRACTED.

8635.

Urgent please solve

Answer»

$\large\underline{\sf{Solution-}}$

Given determinant is

$\rm :\longmapsto\:\rm \: \begin{gathered}\sf \left | \begin{array}{ccc}\cos(x + y)& - sin(x + y)&cos2y\\sinx&cosx& siny\\ - cosx& sinx& - cosy\end{array}\right | \end{gathered}$

We know that

$\boxed{ \rm{ cos(x + y) = cosxcosy - sinxsiny}}$

$\boxed{ \rm{ sin(x + y) = sinxcosy + sinycosx}}$

$\boxed{ \rm{ cos2x = {cos}^{2}x - {sin}^{2}x}}$

So, using these Identities, we get

$\rm \: = \: \begin{gathered}\sf \left | \begin{array}{ccc}\ \: cosxcosy - sinxsiny& - (sinxcosy + sinycosx)& {cos}^{2}y - {sin}^{2}y \\sinx&cosx& siny\\ - cosx& sinx& - cosy\end{array}\right | \end{gathered}$

can be rewritten as

$\rm \: = \: \begin{gathered}\sf \left | \begin{array}{ccc}\ \: cosxcosy - sinxsiny& - sinxcosy - sinycosx& {cos}^{2}y - {sin}^{2}y \\sinx&cosx& siny\\ - cosx& sinx& - cosy\end{array}\right | \end{gathered}$

$\boxed{ \bf{ \: OP \: R_1 \: \longmapsto \: R_1 \: + \: cosx \: R_3}}$

$\rm \: = \: \begin{gathered}\sf \left | \begin{array}{ccc}\ \: - sinxsiny& - sinycosx& - {sin}^{2}y \\sinx&cosx& siny\\ - cosx& sinx& - cosy\end{array}\right | \end{gathered}$

$\boxed{ \bf{ \: OP \: R_1 \: \longmapsto \: R_1 \: + \: siny \: R_2}}$

$\rm \: = \: \begin{gathered}\sf \left | \begin{array}{ccc}\ \: <klux>0</klux>& 0& 0 \\sinx&cosx& siny\\ - cosx& sinx& - cosy\end{array}\right | \end{gathered}$

We know, If elements of any row or column are all 0, then determinant VALUE is 0.

$\rm \: = \: \: 0$

Hence, the value of

$\red{\rm :\longmapsto\:\rm \: \begin{gathered}\sf \left | \begin{array}{ccc}\cos(x + y)& - sin(x + y)&cos2y\\sinx&cosx& siny\\ - cosx& sinx& - cosy\end{array}\right | \end{gathered} = 0}$

Additional Information :-

1. The determinant value remains unaltered if rows and columns are interchanged.

2. The determinant value is 0, if TWO rows or columns are identical.

3. The determinant value is multiplied by - 1, if successive rows or columns are interchanged.

4. The determinant value remains unaltered if rows or columns are added or SUBTRACTED.

Discussion

8636.	Find the values of x if cos x = 0 , 0≤ x ≤ 2pie Please answer quick with steps please
Answer» ANSWER: ANS IS PI/2 Step-by-step explanation: WE KNOW THAT COS90=0 AND 90 LIES BETWEEN 0 AND 2PI SO 90 IS THE ANSWER MARK ME AS BRAINLIEST

8636.

Find the values of x if cos x = 0 , 0≤ x ≤ 2pie Please answer quick with steps please

Answer»

ANSWER:

ANS IS PI/2

Step-by-step explanation:

WE KNOW THAT COS90=0

AND 90 LIES BETWEEN 0 AND 2PI

SO 90 IS THE ANSWER

MARK ME AS BRAINLIEST

Discussion

8637.	Divide the following -3upon 25 by 9upon 50
Answer» Answer: 2/3 WOULD be the answer. Step-by-step EXPLANATION:

8637.

Divide the following -3upon 25 by 9upon 50

Answer»

Answer:

2/3 WOULD be the answer.

Step-by-step EXPLANATION:

Discussion

8638.	Two angle on a straight line are in ratio 2:7 the find the angles
Answer» Step-by-step explanation: straight LINE = 180DEGREES = 2+7 = 9 parts 9 parts = 180 DEGREES 1 PART = 20 degrees 2:7 = 40 degrees: 140 degrees

8638.

Two angle on a straight line are in ratio 2:7 the find the angles

Answer»

Step-by-step explanation:

straight LINE = 180DEGREES = 2+7 = 9 parts

9 parts = 180 DEGREES

1 PART = 20 degrees

2:7 = 40 degrees: 140 degrees

Discussion

8639.	Please answer me(๑♡⌓♡๑)
Answer» ANSWER: Option 3 is CORRECT but option 4 is ALSO correct

8639.

Please answer me(๑♡⌓♡๑)

Answer»

ANSWER:

Option 3 is CORRECT

but option 4 is ALSO correct

Discussion

8640.	A point has a _______dimension
Answer» Step-by-step EXPLANATION: infinite is the RIGHT ANSWER OKKK

8640.

A point has a _______dimension

Answer»

Step-by-step EXPLANATION:

infinite

is the RIGHT ANSWER OKKK

Discussion

8641.	Find the product:(p+5)(p+10)
Answer» ANSWER: 6p+10 Step-by-step EXPLANATION: $p + 5 \times p + 10 \\ = p + 5p + 10 \\ = 6p + 10$ HOPE it helps plz MAKE my answer BRAINLIST.

8641.

Find the product:(p+5)(p+10)

Answer»

ANSWER:

6p+10

Step-by-step EXPLANATION:

$p + 5 \times p + 10 \\ = p + 5p + 10 \\ = 6p + 10$

HOPE it helps

plz MAKE my answer BRAINLIST.

Discussion

8642.	Please answer me( ◜‿◝ )♡
Answer» ANSWER: [-2,7) Step-by-step EXPLANATION: HOPE it HELPS you

8642.

Please answer me( ◜‿◝ )♡

Answer»

ANSWER:

[-2,7)

Step-by-step EXPLANATION:

HOPE it HELPS you

Discussion

8643.	The units digit in the cube of 11,-23,17,25,-10,22,-19 isfill in the balanks
Answer» Answer: 1³= 1 so the UNITS digit in the cube of 11 is 1. 3³=27 so the units digit in the cube of 23 is 7 7³= 343 so the UNIT digit in the cube of 17 is 3 5³=125 so the unit digit in the cube of 25 is 5 0³=0 so the unit digit in the cube of-10 is 0 2³= 8 so the unit digit in the cube of 22is 8 9³= 729 so the unit digit in the cube of-19 is 9 *PLEASE* MARK THIS ANSWER** AS BRAINLIEST

8643.

The units digit in the cube of 11,-23,17,25,-10,22,-19 isfill in the balanks

Answer»

Answer:

1³= 1

so the UNITS digit in the cube of 11 is 1.

3³=27

so the units digit in the cube of 23 is 7

7³= 343

so the UNIT digit in the cube of 17 is 3

5³=125

so the unit digit in the cube of 25 is 5

0³=0

so the unit digit in the cube of-10 is 0

2³= 8

so the unit digit in the cube of 22is 8

9³= 729

so the unit digit in the cube of-19 is 9

PLEASE MARK THIS ANSWER AS BRAINLIEST

Discussion

8644.	कारण बताते हुए सिद्ध करें कि किसी भी समानांतर चतुर्भज के i) विपरीत भुजाओं की लंबाई समान होती है। ii) विपरीत कोण का मान समान होता है। iii) प्रत्येक कोने से खीची गई विकर्ण (Diagonal) उसे दो सर्वांगसम त्रिभुज में बांटेगी।
Answer» ANSWER: कारण बताते हुए सिद्ध करें कि किसी भी समानांतर चतुर्भज के i) विपरीत भुजाओं की लंबाई समान होती है। II) विपरीत कोण का मान समान होता है। III) प्रत्येक कोने से खीची गई विकर्ण (DIAGONAL) उसे दो सर्वांगसम त्रिभुज में बांटेगी।13-Jun-2021

8644.

कारण बताते हुए सिद्ध करें कि किसी भी समानांतर चतुर्भज के i) विपरीत भुजाओं की लंबाई समान होती है। ii) विपरीत कोण का मान समान होता है। iii) प्रत्येक कोने से खीची गई विकर्ण (Diagonal) उसे दो सर्वांगसम त्रिभुज में बांटेगी।

Answer»

ANSWER:

कारण बताते हुए सिद्ध करें कि किसी भी समानांतर चतुर्भज के i) विपरीत भुजाओं की लंबाई समान होती है। II) विपरीत कोण का मान समान होता है। III) प्रत्येक कोने से खीची गई विकर्ण (DIAGONAL) उसे दो सर्वांगसम त्रिभुज में बांटेगी।13-Jun-2021

Discussion

8645.	An express train takes 1 hr less than a passenger train to travel 132 km between Mysore and Bangaluru. If the average speed of the express train is 11 km / hr more than that of a passenger train. Then find the ratio of the speed of the two trains.
Answer» ANSWER: SPEED of passenger train = 33 km/hr, speed of EXPRESS train = 44 km/hr Let the AVERAGE speed of the passenger train be x km/hr. Then the average speed of express train = (x+11) Time taken by passenger train = x 132 hr Time taken by express train = x+11 132 hr = ( x 132 −1)hr ⇒x 2 +11x−1452=0 ⇒(x−33)(x+44)=0 ⇒(x−33)=0 or (x+44)=0 ⇒x=33 or x=−44 Speed can not be NEGATIVE, ⇒x=33, x+11=44 Hence, the speed of passenger train =33 km/hr and the speed of express train =44 km/hr please mark me as brain list

8645.

An express train takes 1 hr less than a passenger train to travel 132 km between Mysore and Bangaluru. If the average speed of the express train is 11 km / hr more than that of a passenger train. Then find the ratio of the speed of the two trains.

Answer»

ANSWER:

SPEED of passenger train = 33 km/hr, speed of EXPRESS train = 44 km/hr

Let the AVERAGE speed of the passenger train be x km/hr.

Then the average speed of express train = (x+11)

Time taken by passenger train =

x

132

hr

Time taken by express train =

x+11

132

hr = (

x

132

−1)hr

⇒x

2

+11x−1452=0

⇒(x−33)(x+44)=0

⇒(x−33)=0 or (x+44)=0

⇒x=33 or x=−44

Speed can not be NEGATIVE,

⇒x=33, x+11=44

Hence, the speed of passenger train =33 km/hr and the speed of express train =44 km/hr

please mark me as brain list

Discussion

8646.	Express the following in exponential form. 20×20×20/19×19×19
Answer» ANSWER: 20/1×20/1×20/19×19/1×19/1 2888000/19 is the CORRECT answer.

8646.

Express the following in exponential form. 20×20×20/19×19×19

Answer»

ANSWER:

20/1×20/1×20/19×19/1×19/1

2888000/19 is the CORRECT answer.

Discussion

8647.	Answer pleasee everyone
Answer» ANSWER: $\frac{1}{x + 1 } = a \: \frac{1}{x + 3} = b \\ a + b$

8647.

Answer pleasee everyone

Answer»

ANSWER:

$\frac{1}{x + 1 } = a \: \frac{1}{x + 3} = b \\ a + b$

Discussion

8648.	Find the product of 6x and o
Answer» Answer: The product of 6X and 0 is 0 Mujhe PLEASE FOLLOW kare

8648.

Find the product of 6x and o

Answer»

Answer:

The product of 6X and 0 is 0

Mujhe PLEASE FOLLOW kare

Discussion

8649.	If 102y = 25, then 10-y equals:?????
Answer» ANSWER: 102y = 25 (10y)2 = 52 10y = 5 1/10y = 1/5 10-y = 1/5 Step-by-step EXPLANATION: verified answer ❤❤

8649.

If 102y = 25, then 10-y equals:?????

Answer»

ANSWER:

102y = 25

(10y)2 = 52

10y = 5

1/10y = 1/5

10-y = 1/5

Step-by-step EXPLANATION:

verified answer ❤❤

Discussion

8650.	3. Convert the following into fractions.(i) 2%(ii) 6 1/6%(iii) 0.008%
Answer» Answer: 2/1 61/6 8/1 Step-by-step EXPLANATION: HOPE it HELPS you

8650.

3. Convert the following into fractions.(i) 2%(ii) 6 1/6%(iii) 0.008%

Answer»

Answer:

2/1

61/6

8/1

Step-by-step EXPLANATION:

HOPE it HELPS you

Discussion

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verified answer ❤❤

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Please answer me( ◜‿◝ )♡

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