98971 + Interview Questions in Primary School in Math

1.	Please answer de do Jo Answer dega mein uske 10 answer ko thanks karungi
Answer» MARKUP ........................;

1.

Please answer de do Jo Answer dega mein uske 10 answer ko thanks karungi

Answer»

MARKUP

........................;

Discussion

2.	अब्दुल के पास एक 12 से मी लुंबी रस्सी है वह इस रस्सी से एक आयात बनाना चाहता है \| तो आयात का क्षेत्रफल क्या होगा ?
Answer» Answer: 12 Step-by-step EXPLANATION: रस्सी उतनी ही राहेगी

2.

अब्दुल के पास एक 12 से मी लुंबी रस्सी है वह इस रस्सी से एक आयात बनाना चाहता है | तो आयात का क्षेत्रफल क्या होगा ?

Answer»

Answer:

12

Step-by-step EXPLANATION:

रस्सी उतनी ही राहेगी

Discussion

3.	the edges of a triangular board are 6cm , 8cm and 10 cm . find the cost of painting it at the rate of rs 14 per square cm. (dont forget 10 cm plss)
Answer» Answer: Area = 1/28baseheight = 1/268 = 24 CM square cost of painting = 249= 216 = 2 rs 16 paisa Dont get confused. This TRIANGLE is a right ANGLED triangle as the SIDES comply with pythagoras theorem. So no need for heron. cheers please follow me and LIKE and vote it

3.

the edges of a triangular board are 6cm , 8cm and 10 cm . find the cost of painting it at the rate of rs 14 per square cm. (dont forget 10 cm plss)

Answer»

Answer:

Area = 1/28base*height

= 1/2*6*8 = 24 CM square

cost of painting = 24*9= 216 = 2 rs 16 paisa

Dont get confused. This TRIANGLE is a right ANGLED triangle as the SIDES comply with pythagoras theorem.

So no need for heron.

cheers

please follow me and LIKE and vote it

Discussion

4.	Solve the problem??
Answer» Step-by-step explanation: this is the 10 ANS WER I HOPE it's helpful for you it's of 8 th class , another 12 th answer is also helps you it's very important ,EASY

4.

Solve the problem??

Answer»

Step-by-step explanation:

this is the 10 ANS WER I HOPE it's helpful for you it's of 8 th class , another 12 th answer is also helps you it's very important ,EASY

Discussion

5.	1) find the quotient and remainder ,when 4xcube -3x+9is divisible by (2x-3). 2) factorize 2xcube-11xsquare+17x-6 using synthetic division method. 3) If x cube +2xsquare +ax+b has factors (x+1) and (x-1),then find a and b.
Answer» Answer: 3.2 The Factor Theorem and The Remainder Theorem 257 3.2 The Factor Theorem and The Remainder Theorem Suppose we wish to find the ZEROS of f(x) = x 3 + 4x 2 − 5x − 14. Setting f(x) = 0 results in the polynomial equation x 3 + 4x 2 − 5x − 14 = 0. Despite all of the factoring techniques we learned1 in Intermediate Algebra, this equation foils2 us at every turn. If we graph f using the graphing calculator, we get The graph suggests that the function has three zeros, one of which is x = 2. It’s easy to show that f(2) = 0, but the other two zeros seem to be less friendly. Even though we could use the ‘Zero’ command to find decimal approximations for these, we seek a method to find the remaining zeros exactly. Based on our experience, if x = 2 is a zero, it seems that there should be a factor of (x − 2) lurking around in the factorization of f(x). In other words, we should expect that x 3 + 4x 2 − 5x − 14 = (x − 2) q(x), where q(x) is some other polynomial. How could we find such a q(x), if it even exists? The answer comes from our old friend, polynomial division. Dividing x 3 + 4x 2 − 5x − 14 by x − 2 gives x 2 + 6x + 7 x−2 x 3 + 4x 2 − 5x − 14 − x 3 −2x 2 6x 2 − 5x − 6x 2 −12x) 7x − 14 − (7x −14) 0 As you may recall, this means x 3 + 4x 2 − 5x − 14 = (x − 2) x 2 + 6x + 7 , so to find the zeros of f, we now solve (x − 2) x 2 + 6x + 7 = 0. We get x − 2 = 0 (which gives us our known zero, x = 2) as well as x 2 + 6x + 7 = 0. The latter doesn’t factor nicely, so we apply the Quadratic Formula to get x = −3 ± √ 2. The point of this section is to generalize the technique applied here. First up is a friendly reminder of what we can expect when we divide polynomials. 1 and probably forgot 2pun inte 258 Polynomial Functions Theorem 3.4. Polynomial Division: Suppose d(x) and p(x) are nonzero polynomials where the degree of p is greater than or equal to the degree of d. There exist two unique polynomials, q(x) and r(x), such that p(x) = d(x) q(x) + r(x), where either r(x) = 0 or the degree of r is strictly less than the degree of d. As you may recall, all of the polynomials in Theorem 3.4 have special names. The polynomial p is called the dividend; d is the divisor; q is the quotient; r is the remainder. If r(x) = 0 then d is called a factor of p. The proof of Theorem 3.4 is usually relegated to a course in Abstract Algebra,3 but we can still use the result to establish two important facts which are the basis of the rest of the chapter. Theorem 3.5. The Remainder Theorem: Suppose p is a polynomial of degree at least 1 and c is a real number. When p(x) is divided by x − c the remainder is p(c). The proof of Theorem 3.5 is a direct CONSEQUENCE of Theorem 3.4. When a polynomial is divided by x − c, the remainder is either 0 or has degree less than the degree of x − c. Since x − c is degree 1, the degree of the remainder must be 0, which means the remainder is a constant. Hence, in either case, p(x) = (x − c) q(x) + r, where r, the remainder, is a real number, possibly 0. It follows that p(c) = (c − c) q(c) + r = 0 · q(c) + r = r, so we get r = p(c) as required. There is one last ‘low hanging fruit’4 to collect which we present below. Theorem 3.6. The Factor Theorem: Suppose p is a nonzero polynomial. The real number c is a zero of p if and only if (x − c) is a factor of p(x). The proof of The Factor Theorem is a consequence of what we already know. If (x − c) is a factor of p(x), this means p(x) = (x − c) q(x) for some polynomial q. Hence, p(c) = (c − c) q(c) = 0, so c is a zero of p. CONVERSELY, if c is a zero of p, then p(c) = 0. In this case, The Remainder Theorem tells us the remainder when p(x) is divided by (x − c), namely p(c), is 0, which means (x − c) is a factor of p. What we have established is the fundamental connection between zeros of polynomials and factors of polynomials. Of the things The Factor Theorem tells us, the most PRAGMATIC is that we had better find a more efficient way to divide polynomials by quantities of the form x − c. Fortunately, people like Ruffini and Horner have already blazed this trail. Let’s take a closer look at the long division we performed at the beginning of the section and try to streamline it. First off, let’s change all of the subtractions into ADDITIONS by distributing through the −1s.Step-by-step explanation:

5.

1) find the quotient and remainder ,when 4xcube -3x+9is divisible by (2x-3). 2) factorize 2xcube-11xsquare+17x-6 using synthetic division method. 3) If x cube +2xsquare +ax+b has factors (x+1) and (x-1),then find a and b.

Answer»

Answer:

3.2 The Factor Theorem and The Remainder Theorem 257

3.2 The Factor Theorem and The Remainder Theorem

Suppose we wish to find the ZEROS of f(x) = x

3 + 4x

2 − 5x − 14. Setting f(x) = 0 results in the

polynomial equation x

3 + 4x

2 − 5x − 14 = 0. Despite all of the factoring techniques we learned1

in Intermediate Algebra, this equation foils2 us at every turn. If we graph f using the graphing

calculator, we get

The graph suggests that the function has three zeros, one of which is x = 2. It’s easy to show

that f(2) = 0, but the other two zeros seem to be less friendly. Even though we could use the

‘Zero’ command to find decimal approximations for these, we seek a method to find the remaining

zeros exactly. Based on our experience, if x = 2 is a zero, it seems that there should be a factor

of (x − 2) lurking around in the factorization of f(x). In other words, we should expect that

x

3 + 4x

2 − 5x − 14 = (x − 2) q(x), where q(x) is some other polynomial. How could we find such

a q(x), if it even exists? The answer comes from our old friend, polynomial division. Dividing

x

3 + 4x

2 − 5x − 14 by x − 2 gives

x

2 + 6x + 7

x−2 x

3 + 4x

2 − 5x − 14

−

x

3 −2x

2

6x

2 − 5x

−

6x

2 −12x)

7x − 14

− (7x −14)

0

As you may recall, this means x

3 + 4x

2 − 5x − 14 = (x − 2)

x

2 + 6x + 7

, so to find the zeros of f,

we now solve (x − 2)

x

2 + 6x + 7

= 0. We get x − 2 = 0 (which gives us our known zero, x = 2)

as well as x

2 + 6x + 7 = 0. The latter doesn’t factor nicely, so we apply the Quadratic Formula to

get x = −3 ±

√

2. The point of this section is to generalize the technique applied here. First up is

a friendly reminder of what we can expect when we divide polynomials.

1

and probably forgot

2pun inte

258 Polynomial Functions

Theorem 3.4. Polynomial Division: Suppose d(x) and p(x) are nonzero polynomials where

the degree of p is greater than or equal to the degree of d. There exist two unique polynomials,

q(x) and r(x), such that p(x) = d(x) q(x) + r(x), where either r(x) = 0 or the degree of r is

strictly less than the degree of d.

As you may recall, all of the polynomials in Theorem 3.4 have special names. The polynomial p

is called the dividend; d is the divisor; q is the quotient; r is the remainder. If r(x) = 0 then

d is called a factor of p. The proof of Theorem 3.4 is usually relegated to a course in Abstract

Algebra,3 but we can still use the result to establish two important facts which are the basis of the

rest of the chapter.

Theorem 3.5. The Remainder Theorem: Suppose p is a polynomial of degree at least 1

and c is a real number. When p(x) is divided by x − c the remainder is p(c).

The proof of Theorem 3.5 is a direct CONSEQUENCE of Theorem 3.4. When a polynomial is divided

by x − c, the remainder is either 0 or has degree less than the degree of x − c. Since x − c is degree

1, the degree of the remainder must be 0, which means the remainder is a constant. Hence, in

either case, p(x) = (x − c) q(x) + r, where r, the remainder, is a real number, possibly 0. It follows

that p(c) = (c − c) q(c) + r = 0 · q(c) + r = r, so we get r = p(c) as required. There is one last ‘low

hanging fruit’4

to collect which we present below.

Theorem 3.6. The Factor Theorem: Suppose p is a nonzero polynomial. The real number

c is a zero of p if and only if (x − c) is a factor of p(x).

The proof of The Factor Theorem is a consequence of what we already know. If (x − c) is a factor

of p(x), this means p(x) = (x − c) q(x) for some polynomial q. Hence, p(c) = (c − c) q(c) = 0, so c

is a zero of p. CONVERSELY, if c is a zero of p, then p(c) = 0. In this case, The Remainder Theorem

tells us the remainder when p(x) is divided by (x − c), namely p(c), is 0, which means (x − c) is a

factor of p. What we have established is the fundamental connection between zeros of polynomials

and factors of polynomials.

Of the things The Factor Theorem tells us, the most PRAGMATIC is that we had better find a more

efficient way to divide polynomials by quantities of the form x − c. Fortunately, people like Ruffini

and Horner have already blazed this trail. Let’s take a closer look at the long division we performed

at the beginning of the section and try to streamline it. First off, let’s change all of the subtractions

into ADDITIONS by distributing through the −1s.Step-by-step explanation:

Discussion

6.	Puzzle in math i)3+5 =ans
Answer» Answer: 3+5=8 Step-by-step EXPLANATION: PLEASE MARK as BRAINLIEST.

6.

Puzzle in math i)3+5 =ans

Answer»

Answer:

3+5=8

Step-by-step EXPLANATION:

PLEASE MARK as BRAINLIEST.

Discussion

7.	7. Three persons start their morning walk from the same line at the same time and in the samedirection. Their steps measure 90 cm, 80 cm and 85 cm. At what distance from the starting linewill they be in the same line again?
Answer» ANSWER: Step-by-step explanation: Finding the LCM of 90,80 and 85 =12240 they will be in the same LINE again after travelling 12240 CM

7.

7. Three persons start their morning walk from the same line at the same time and in the samedirection. Their steps measure 90 cm, 80 cm and 85 cm. At what distance from the starting linewill they be in the same line again?

Answer»

ANSWER:

Step-by-step explanation:

Finding the LCM of 90,80 and 85 =12240

they will be in the same LINE again after travelling 12240 CM

Discussion

8.	Simplify (m+n)squre+(2m+n)squre+(2m-n) squre
Answer» ANSWER: Hope it helps! Plz. MARK it as the BRAINLIEST.

8.

Simplify (m+n)squre+(2m+n)squre+(2m-n) squre

Answer»

ANSWER: Hope it helps!

Plz. MARK it as the BRAINLIEST.

Discussion

9.	11/4 - 5/8+ -5/12+7/6 is k7/8. find k
Answer» ANSWER: k=23/7 Step-by-step EXPLANATION: We *have* 11/4-5/8+(-5/12)+7/6=k×7/8 =)11/4-5/8-5/12+7/6=k×7/8 =)66-15-10+28/24=k×7/8 =)66-15+18/24=k×7/8 =)69/24=k×7/8 =)69/24÷7/8=k =)k=69/24×8/7 =)k=23/7 *pls* *MARK* it as *BRAINLIEST*.

9.

11/4 - 5/8+ -5/12+7/6 is k7/8. find k

Answer»

ANSWER:

k=23/7

Step-by-step EXPLANATION:

We have 11/4-5/8+(-5/12)+7/6=k×7/8

=)11/4-5/8-5/12+7/6=k×7/8

=)66-15-10+28/24=k×7/8

=)66-15+18/24=k×7/8

=)69/24=k×7/8

=)69/24÷7/8=k

=)k=69/24×8/7

=)k=23/7

pls MARK it as BRAINLIEST.

Discussion

10.	Pluto is 591300000m from the sun . express the strand form
Answer» $\text{[math]}$ ╱◢╱╱╱◣╲╱◢╲╲╲◣╲ ◢▇◣╱╱▇▇▇▇╲╲◢▇◣ ▇▇▇▇▇▇▇▇▇▇▇▇▇▇ ◥▇◤◥◤◥▇▇◤◥◤◥▇◤ ╲◥╲╲╲╲◥◤╱╱╱╱◤╱ ┏━━┓┏━━┳━━┳━━┓┏┓ ┃┏┓┃┃┏┓┃┏┓┃┏┓┃┃┃ ┃┗┛┗┫┃┃┃┗━┫┗━┓┃┃ ┃┏━┓┃┃┃┣━┓┣━┓┃┗┛ ┃┗━┛┃┗┛┃┗┛┃┗┛┃┏┓ ┗━━━┻━━┻━━┻━━┛┗┛ ╭╮┈┈╭┳╮╭┳━━╮╭╮ ┃╰╮╭╯┃┃┃┃╭╮┃┃┃ ╰╮╰╯╭┫┃┃┃╰╯┃┃┃ ┈╰╮╭╯┃┃┃┃╭━╯╰╯ ┈┈┃┃┈┃╰╯┃┃┈┈╭╮ ┈┈╰╯┈╰━━┻╯┈┈╰╯ 3.67×109 miles. Thank and MARK me BRAINLIEST

10.

Pluto is 591300000m from the sun . express the strand form

Answer»

$\text{[math]}$ ╱◢╱╱╱◣╲╱◢╲╲╲◣╲

◢▇◣╱╱▇▇▇▇╲╲◢▇◣

▇▇▇▇▇▇▇▇▇▇▇▇▇▇

◥▇◤◥◤◥▇▇◤◥◤◥▇◤

╲◥╲╲╲╲◥◤╱╱╱╱◤╱

┏━━┓┏━━┳━━┳━━┓┏┓

┃┏┓┃┃┏┓┃┏┓┃┏┓┃┃┃

┃┗┛┗┫┃┃┃┗━┫┗━┓┃┃

┃┏━┓┃┃┃┣━┓┣━┓┃┗┛

┃┗━┛┃┗┛┃┗┛┃┗┛┃┏┓

┗━━━┻━━┻━━┻━━┛┗┛

╭╮┈┈╭┳╮╭┳━━╮╭╮

┃╰╮╭╯┃┃┃┃╭╮┃┃┃

╰╮╰╯╭┫┃┃┃╰╯┃┃┃

┈╰╮╭╯┃┃┃┃╭━╯╰╯

┈┈┃┃┈┃╰╯┃┃┈┈╭╮

┈┈╰╯┈╰━━┻╯┈┈╰╯

3.67×109 miles.

Thank and MARK me BRAINLIEST

Discussion

11.	लबाई 12.8 सेमी वाला एक रेखाखंड खीचिए।रूलर और परकार की सहायता से इसके चार बराबर भाग कीजिए मापन द्वारा अपनी रचना की जाँच कीजिए।
Answer» Step-by-step explanation: to JAISE ISME KAH rha H waisa kijiye

11.

लबाई 12.8 सेमी वाला एक रेखाखंड खीचिए।रूलर और परकार की सहायता से इसके चार बराबर भाग कीजिए मापन द्वारा अपनी रचना की जाँच कीजिए।

Answer»

Step-by-step explanation:

to JAISE ISME KAH rha H waisa kijiye

Discussion

12.	Ratio of ages of raju and rani are 3:5 the difference of their ages is 16 years find their ages
Answer» ANSWER: Probability of RAJU age=3/16 rani = 5/16 Step-by-step explanation: MARK me as BRAINLIEST and follow me PLEASE

12.

Ratio of ages of raju and rani are 3:5 the difference of their ages is 16 years find their ages

Answer»

ANSWER:

Probability of RAJU age=3/16

rani = 5/16

Step-by-step explanation:

MARK me as BRAINLIEST and follow me PLEASE

Discussion

13.	I will mark as brainlistIn the summer holidays, 43,000 people from Delbe wentto Singapore, 24,500 people went to Pabai and 98;1970people went to London: How many people went toSingapore, Duboi and London altogether?
Answer» ANSWER: or is RIGHT Step-by-step EXPLANATION: it is WRONG aask ANOTHER

13.

I will mark as brainlistIn the summer holidays, 43,000 people from Delbe wentto Singapore, 24,500 people went to Pabai and 98;1970people went to London: How many people went toSingapore, Duboi and London altogether?

Answer»

ANSWER:

or is RIGHT

Step-by-step EXPLANATION:

it is WRONG aask ANOTHER

Discussion

14.	Compare the following. 3/4 and 4/5
Answer» Answer: 4/5 is bigger Step-by-step explanation: 3/4 4/5 15/20 < 16/20

14.

Compare the following. 3/4 and 4/5

Answer»

Answer:

4/5 is bigger

Step-by-step explanation:

3/4 4/5

15/20 < 16/20

Discussion

15.	3³×5³×7 21³(7-2)³ Anser it
Answer» ANSWER: answer is 27348890625

15.

3³×5³×7 21³(7-2)³ Anser it

Answer»

ANSWER:

answer is

27348890625

Discussion

16.	Find three rational numbers between 4 and 5
Answer» There are TWO WAYS of SOLVING this answer Mark me as BRAINLIEST

16.

Find three rational numbers between 4 and 5

Answer»

There are TWO WAYS of SOLVING this answer

Mark me as BRAINLIEST

Discussion

17.	The area if an equilateral triangle is 9 under root 3 cm² find the length of its each side.please give step by step solution and I will mark you brainliest
Answer» Answer: HEY mate that's your answer hope it HELPS........... mark it as BRAINLIEST....... PLEASE FOLLOW me

17.

The area if an equilateral triangle is 9 under root 3 cm² find the length of its each side.please give step by step solution and I will mark you brainliest

Answer»

Answer:

HEY mate

that's your answer

hope it HELPS...........

mark it as BRAINLIEST.......

PLEASE FOLLOW me

Discussion

18.	Plz answer 6th question i and ii
Answer» Step-by-step EXPLANATION: I HOPE this HELPS you GO through this

18.

Plz answer 6th question i and ii

Answer»

Step-by-step EXPLANATION:

I HOPE this HELPS you

GO through this

Discussion

19.	Y²-25Factorise the following:-
Answer» (y-5) (y+5) .........

19.

Y²-25Factorise the following:-

Answer»

(y-5) (y+5)

.........

Discussion

20.	Represent √5 on the number line.
Answer» It is easy to represent Rational number on the number line but it would be difficult to represent the irrational number on the number line, as it is a NON- terminating non- RECURRING decimal. By using PYTHAGORAS Theorem and by taking the NEAREST PERFECT square number we got number root. sorry mate i can tell you this much only because in phone there is no feature to represent a number on number line.

20.

Represent √5 on the number line.

Answer»

It is easy to represent Rational number on the number line but it would be difficult to represent the irrational number on the number line, as it is a NON- terminating non- RECURRING decimal. By using PYTHAGORAS Theorem and by taking the NEAREST PERFECT square number we got number root.

sorry mate i can tell you this much only because in phone there is no feature to represent a number on number line.

Discussion

21.	How many pieces of ribbon of length 20/3cm can be cut off from a ribbon of length 1.20m
Answer» Answer: 18 pieces Step-by-step explanation: Hope this answer will SATISFY you....... PLZ MARK BRAINLIEST

21.

How many pieces of ribbon of length 20/3cm can be cut off from a ribbon of length 1.20m

Answer»

Answer:

18 pieces

Step-by-step explanation:

Hope this answer will SATISFY you....... PLZ MARK BRAINLIEST

Discussion

22.	Prove that straight lines perpendicular to the same straight lines are parallel to one another
Answer» ANSWER: if they form equal angle with the straight line Step-by-step explanation: two lines from a straight line would be PARALLEL if they form equal angle with that straight line. as here both the lines make 90 deg ANGLES which are equal so these lines would be parallel to each other.

22.

Prove that straight lines perpendicular to the same straight lines are parallel to one another

Answer»

ANSWER:

if they form equal angle with the straight line

Step-by-step explanation:

two lines from a straight line would be PARALLEL if they form equal angle with that straight line. as here both the lines make 90 deg ANGLES which are equal so these lines would be parallel to each other.

Discussion

23.	How we will write the angle s
Answer» ANSWER: Step-by-step EXPLANATION: EITHER in DEGREES or in RADIANS

23.

How we will write the angle s

Answer»

ANSWER:

Step-by-step EXPLANATION:

EITHER in DEGREES or in RADIANS

Discussion

24.	5 cos 60° + 4 sin 30 - tan 45sin 230+ cos² 45
Answer» the ANSWER is in this PICTURE

24.

5 cos 60° + 4 sin 30 - tan 45sin 230+ cos² 45

Answer»

the ANSWER is in this PICTURE

Discussion

25.	17/48;19/36;11/30;5/24 find the lcm
Answer» ANSWER: if u have any problem kiddo.please WRITE it in the COMMENT BOX.

25.

17/48;19/36;11/30;5/24 find the lcm

Answer»

ANSWER:

if u have any problem kiddo.please WRITE it in the COMMENT BOX.

Discussion

26.	I want to know how to know Selling price when C.p and Profit percent is being thinked of 40%
Answer» ANSWER: bxhddhjsdjdjfjfjhd Step-by-step EXPLANATION: vhxhfjfvjf hsxhchf zhdcjijf hdhcjd

26.

I want to know how to know Selling price when C.p and Profit percent is being thinked of 40%

Answer»

ANSWER:

bxhddhjsdjdjfjfjhd

Step-by-step EXPLANATION:

vhxhfjfvjf

hsxhchf

zhdcjijf

hdhcjd

Discussion

27.	Products of digit of Numerator of subtraction of (12/5 and 13/7)
Answer» ANSWER: 9 is the answer Step-by-step explanation: Hope this answer will SATISFY you....... PLZ MARK brainliest

27.

Products of digit of Numerator of subtraction of (12/5 and 13/7)

Answer»

ANSWER:

9 is the answer

Step-by-step explanation:

Hope this answer will SATISFY you....... PLZ MARK brainliest

Discussion

28.	This is the question I am talking about
Answer» ANSWER: PLEASE FOLLOW me i will TELL

28.

This is the question I am talking about

Answer»

ANSWER:

PLEASE FOLLOW me i will TELL

Discussion

29.	4c(-a+b+c) - [3a(a+b+c)-2b(a-b+c)
Answer» (-4ac+4bc+4c^2)-[3a^2+3ab+3ac-2ab+2b^2-2bc] -4ac+4bc+4c^2-3a^2-3ab-3ac+2ab-2b^2+2bc -7ac +6bc-ab+4c^2-3a^2-2b^2

29.

4c(-a+b+c) - [3a(a+b+c)-2b(a-b+c)

Answer»

(-4ac+4bc+4c^2)-[3a^2+3ab+3ac-2ab+2b^2-2bc]

-4ac+4bc+4c^2-3a^2-3ab-3ac+2ab-2b^2+2bc

-7ac +6bc-ab+4c^2-3a^2-2b^2

Discussion

30.	Please give step by step solution and I will mark u as brainliest and follow you
Answer» ANSWER: ................................

30.

Please give step by step solution and I will mark u as brainliest and follow you

Answer»

ANSWER:

................................

Discussion

31.	4) Draw a cylinder and mark its curved face andone plane face. What two measurements areused to identify a cylinder?
Answer» Answer: a CIRCLE and a rectangle Step-by-step explanation: the top part of the cylinder is the plane SURFACE and the front FACING part is the curved one .... please please mark me the BRAINLIEST?

31.

4) Draw a cylinder and mark its curved face andone plane face. What two measurements areused to identify a cylinder?

Answer»

Answer:

a CIRCLE and a rectangle

Step-by-step explanation:

the top part of the cylinder is the plane SURFACE and the front FACING part is the curved one .... please please mark me the BRAINLIEST?

Discussion

32.	Sumplify2.0.01×0.05
Answer» ANSWER: Step-by-step explanation: 2001/20000

32.

Sumplify2.0.01×0.05

Answer»

ANSWER:

Step-by-step explanation:

2001/20000

Discussion

33.	Pls answer the question fast pls!!
Answer» ANSWER: WRITING is not GOOD. PLEASE POST again.

33.

Pls answer the question fast pls!!

Answer»

ANSWER:

WRITING is not GOOD. PLEASE POST again.

Discussion

34.	किसी कार के एक पहिये का वायास 70 से मी है , पहिये के द्वारा 50 बार घूमने पर कार कितनी दूरी तय करेगी ?
Answer» Answer: Step-by-step EXPLANATION: diameter = 70 cm radius = 35 cm so, DISTANCE in one REVOLUTION = circumference of tyre = 2πr = 2×(22/7)×35 = 2×22×5 = 220 cm now, distance in 50 revolutions = 220×50 = 11000 cm = 11 m Please mark my answer brainiest

34.

किसी कार के एक पहिये का वायास 70 से मी है , पहिये के द्वारा 50 बार घूमने पर कार कितनी दूरी तय करेगी ?

Answer»

Answer:

Step-by-step EXPLANATION:

diameter = 70 cm

radius = 35 cm

so,

DISTANCE in one REVOLUTION

= circumference of tyre

= 2πr

= 2×(22/7)×35

= 2×22×5

= 220 cm

now,

distance in 50 revolutions = 220×50 = 11000 cm = 11 m

Please mark my answer brainiest

Discussion

35.	5x-1/3(x+1)=6x+1/30
Answer» Answer: 5x -1/3(x+1)=6(x+1/30) 5x -x/3-1/3=6x+6/30 (15x-x-1)/3=(180x+6)/30 14x-1=3(180x+6)/30 14x-1=(180x+6)/10 10(14x-1)=180x+6 140x-10=180x+6 -10-6=180x-140x -16=40x x=-16/40 x=-2/5 Step-by-step explanation:* PLEASE MARK AS BRAINLIEST

35.

5x-1/3(x+1)=6x+1/30

Answer»

Answer:

5x -1/3(x+1)=6(x+1/30)

5x -x/3-1/3=6x+6/30

(15x-x-1)/3=(180x+6)/30

14x-1=3*(180x+6)/30

14x-1=(180x+6)/10

10(14x-1)=180x+6

140x-10=180x+6

-10-6=180x-140x

-16=40x

x=-16/40

x=-2/5

Step-by-step explanation:

PLEASE MARK AS BRAINLIEST

Discussion

36.	Find the LCM of 16 20 24 by using prime factorization method
Answer» ANSWER: 16=2222 20 =222 24=2223 lcm = 2222223 64*3 192 is the answer HOPE this helps you I gave u FIRST answer so plz mark me as brainlist

36.

Find the LCM of 16 20 24 by using prime factorization method

Answer»

ANSWER:

16=2*2*2*2

20 =2*2*2

24=2*2*2*3

lcm = 2*2*2*2*2*2*3

64*3

192 is the answer HOPE this helps you I gave u FIRST answer so plz

mark me as brainlist

Discussion

37.	Find the LCM of 12,30,by using prime factorization method i want answer fast plz
Answer» Answer: *Please* *DOWNLOAD* *teachoo* *app* *this* *app* is *mathematical* *app.... I HOPE* IT *HELPS* *YOU...... PLEASE* *MARK* ME AS *BRAINLIEST* IF *YOU* *SATISFIED* *FROM* *THIS* *ANSWER* *AND* *FOLLOW* ME..... *STAY* *HOME* *STAY* *SAFE*....... ...

37.

Find the LCM of 12,30,by using prime factorization method i want answer fast plz

Answer»

Answer:

Please DOWNLOAD teachoo app this app is mathematical app.... I HOPE IT HELPS YOU...... PLEASE MARK ME AS BRAINLIEST IF YOU SATISFIED FROM THIS ANSWER AND FOLLOW ME..... STAY HOME STAY SAFE.......

...

Discussion

38.	Pls answer this thanks
Answer» ANSWER: Q5-(a) 3√125/27 Exact FORM: 5√15/3 DECIMAL Form: 6.45497224 (B) 3√-216*4.096 = 180.59598 (c)√80000 =282.842712475

38.

Pls answer this thanks

Answer»

ANSWER:

Q5-(a) 3√125/27

Exact FORM:

5√15/3

DECIMAL Form:

6.45497224

(B) 3√-216*4.096

= 180.59598

(c)√80000

=282.842712475

Discussion

39.	A car covers 12.55 km of distance in 1 litre of petrol. How much distance will it cover in36.7 litres of petrol?What is the importance of pollution norms for a vehicle?
Answer» Step-by-step EXPLANATION: This is the ANSWER HOPE U LIKE it

39.

A car covers 12.55 km of distance in 1 litre of petrol. How much distance will it cover in36.7 litres of petrol?What is the importance of pollution norms for a vehicle?

Answer»

Step-by-step EXPLANATION:

This is the ANSWER

HOPE U LIKE it

Discussion

40.	Q1. Choose the correct optionD) Sum of a - b + ab, b + c - bc and c-a - ac isa) 2c + ab - ac - beb) 2c - ab - ac - bcc2c + ab + ac + bcd) 2c - ab + ac + bcQ2. Coefficient of y in term -y/3 isa) -1b) -3c) -1/3d) 1/3Q3. The degree of the polynomial- is..a) 2b) 3c) 4d) 5Q4. Number of terms in the expression-is....a) 1b) 2c) 3d) 4Pls help guys!!
Answer» ANSWER: Step-by-step EXPLANATION: A c c b

40.

Q1. Choose the correct optionD) Sum of a - b + ab, b + c - bc and c-a - ac isa) 2c + ab - ac - beb) 2c - ab - ac - bcc2c + ab + ac + bcd) 2c - ab + ac + bcQ2. Coefficient of y in term -y/3 isa) -1b) -3c) -1/3d) 1/3Q3. The degree of the polynomial- is..a) 2b) 3c) 4d) 5Q4. Number of terms in the expression-is....a) 1b) 2c) 3d) 4Pls help guys!!

Answer»

ANSWER:

Step-by-step EXPLANATION:

A

c

b

Discussion

41.	Find the LCM of 4,6,8, by using common multiple method
Answer» Step-by-step explanation: 4=22 6=23 8=222 lcm=223*2 =24

41.

Find the LCM of 4,6,8, by using common multiple method

Answer»

Step-by-step explanation:

4=2*2

6=2*3

8=2*2*2

lcm=2*2*3*2

=24

Discussion

42.	An object length is 23 cm breadth is 28 cm find perimetre
Answer» ANSWER: ADD them to FIND perimeter Step-by-step explanation: 23 + 28 = 51

42.

An object length is 23 cm breadth is 28 cm find perimetre

Answer»

ANSWER:

ADD them to FIND perimeter

Step-by-step explanation:

23 + 28 = 51

Discussion

43.	Plz ans..... plz ......
Answer» ANSWER: - 108.33 Step-by-step EXPLANATION: HOPE it HELPS ☺☺

43.

Plz ans..... plz ......

Answer»

ANSWER:

- 108.33

Step-by-step EXPLANATION:

HOPE it HELPS ☺☺

Discussion

44.	8. Chalk contains calcium, carbon and sand in the ratio 12:3:10. Find the percentageof carbon in the chalk.9. If ₹ 2500 is to be divided among Ravi, Raju and Roy, so that Ravi gets two parts,Raju three parts and Roy fiveparts. How muchmoney will each get? What will itbe in percentages?solve them and follow me
Answer» ANSWER: Step-by-step explanation: 8. 12:3:10 Sum of RATIO= 25 Carbon ratio =3 (3/25) X 100=12% Do not know 9

44.

8. Chalk contains calcium, carbon and sand in the ratio 12:3:10. Find the percentageof carbon in the chalk.9. If ₹ 2500 is to be divided among Ravi, Raju and Roy, so that Ravi gets two parts,Raju three parts and Roy fiveparts. How muchmoney will each get? What will itbe in percentages?solve them and follow me

Answer»

ANSWER:

Step-by-step explanation:

8. 12:3:10

Sum of RATIO= 25

Carbon ratio =3

(3/25) X 100=12%

Do not know 9

Discussion

45.	Convert 45cmintometersand kilo meters show me full problem
Answer» ANSWER: METRES....0.45 kilometres....45/100000

45.

Convert 45cmintometersand kilo meters show me full problem

Answer»

ANSWER:

METRES....0.45

kilometres....45/100000

Discussion

46.	2х-3 = 2х + 33x-1 3х + 4
Answer» -6=6 -3=12 Mark me as BRAINLIEST

46.

2х-3 = 2х + 33x-1 3х + 4

Answer»

-6=6

-3=12

Mark me as BRAINLIEST

Discussion

47.	Find the LCM of 10 and 20 by using common multiple method
Answer» Answer: How to find the LCM of 10 and 20 The prime factorization of 10 is: 2 X 5. The prime factorization of 20 is: 2 x 2 x 5. Eliminate the duplicate FACTORS of the two LISTS, then multiply them once with the remaining factors of the lists to get lcm(10,10) = 20. bye FRND

47.

Find the LCM of 10 and 20 by using common multiple method

Answer»

Answer:

How to find the LCM of 10 and 20

The prime factorization of 10 is: 2 X 5.

The prime factorization of 20 is: 2 x 2 x 5.

Eliminate the duplicate FACTORS of the two LISTS, then multiply them once with the remaining factors of the lists to get lcm(10,10) = 20.

bye FRND

Discussion

48.	Show the number 7 on the number line.
Answer» ANSWER: CHECK from the picture. Hope it HELPS you

48.

Show the number 7 on the number line.

Answer»

ANSWER:

CHECK from the picture.

Hope it HELPS you

Discussion

49.	किसी वर्ग का क्षेत्रफल 100 से मी है \| उस वर्ग से काटे गाय सबसे बड़े व्रत की परिधि ज्ञात कीजिये ?
Answer» Answer: 20π CM Step-by-step EXPLANATION: Side = 10 cm agar side 10 cm hoga to circle ka radius 10 ka half hoga MATLAB 5 cm. so perimeter hoga =2* pi*5=20π

49.

किसी वर्ग का क्षेत्रफल 100 से मी है | उस वर्ग से काटे गाय सबसे बड़े व्रत की परिधि ज्ञात कीजिये ?

Answer»

Answer:

20π CM

Step-by-step EXPLANATION:

Side = 10 cm

agar side 10 cm hoga to circle ka radius 10 ka half hoga MATLAB 5 cm.

so perimeter hoga =2* pi*5=20π

Discussion

50.	17 - [80 ÷ {2 x 3 - (-4) } ]
Answer» ANSWER: answer is..9 PLS FOLLOW me Step-by-step explanation: 17- 80÷ 6+4 17-80÷10 17-8 9

50.

17 - [80 ÷ {2 x 3 - (-4) } ]

Answer»

ANSWER:

answer is..9 PLS FOLLOW me

Step-by-step explanation:

17- 80÷ 6+4

17-80÷10

17-8

9

Discussion

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Pls answer this thanks

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