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3 years ago

How to rename fractions

1 answer:

8 0

To rename a fraction as a decimal, you have to divide the numerator by the denominator. For example, to rename 3/4 as a decimal, just divide 3 by 4 and you get 0.75. Hope this helped!

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Mr. Osmond bought a computer that cost $2,500. How much did he pay for the computer if the sales tax rate was 7%?

Oduvanchick [21]

Answer:

$2,675

Step-by-step explanation:

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3 years ago

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a class is having their picture taken. the photographer positions himself 21 feet from the center of the row of students. When t

Papessa [141]

Answer:

Step-by-step explanation:

tbh I am not sure if this is right but here

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3 years ago

Factor the expression completely. 625x4 - 256y4

scoundrel [369]

Answer:

(625 • (x4)) - 28y4

54x4 - 28y4 3.1 Factoring: 625x4-256y4

Theory : A difference of two perfect squares, A2 - B2 can be factored into (A+B) • (A-B)

Proof : (A+B) • (A-B) =

A2 - AB + BA - B2 =

A2 - AB + AB - B2 =

A2 - B2Note : AB = BA is the commutative property of multiplication.

Note : - AB + AB equals zero and is therefore eliminated from the expression.

Check : 625 is the square of 25

Check : 256 is the square of 16

Check : x4 is the square of x2

Check : y4 is the square of y2

Factorization is : (25x2 + 16y2) • (25x2 - 16y2) 3.2 Factoring: 25x2 - 16y2

Check : 25 is the square of 5

Check : 16 is the square of 4

Check : x2 is the square of x1

Check : y2 is the square of y1

Factorization is : (5x + 4y) • (5x - 4y)this is the answer: (25x2 + 16y2) •(5x + 4y) • (5x - 4y)

5 0

3 years ago

Which value for the number makes the statement true?

umka21 [38]

A product is the result of multiplication.
A quotient is the result of division.
So you're trying to find the quotient of a number (x) and 5 that equals 8.

Try plugging in the answers.
x/5=8

A. x=4
4/5=8 (Incorrect, 4 divided by 5 is 0.8)

B. x=8
8/5=8 (Incorrect, 8 divided by 5 is 1.6)

C. x=40
40/5=8 (Correct, 40 divided by 5 is 8)

D. x=80
80/5=8 (Incorrect, 80 divided by 5 is 16)

So your answer is C. 40
The quotient of 40 and 5 is 8.

3 0

4 years ago

What is this in standard form ? Please !

Alexxandr [17]

Answer:

-6x + -36 = y + 4

-6x -y = 4 + 36

A. 6x + y = - 40

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3 years ago

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