3 years ago

Question 21 of 25

Mathematics

1 answer:

Korvikt [17]3 years ago

3 0

Answer:

Step-by-step explanation:

Coefficient is the number before the variable

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The width of a rectangle measures (3s+t) centimeters,and it’s length measures (3s-9t) centimeters. Which expression represents t

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Answer:

12s - 16t

Step-by-step explanation:

2(3s + t) + 2(3s - 9t)

6s + 2t + 6s - 18t

12s + 2t - 18t

12s - 16t

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Marilee is trying to prove the Pythagorean Theorem. She draws a right triangle. What should she do next?

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An equation is shown below with a missing value.

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Answer:

The missing value is 512

$8=\sqrt[3]{512}$

Step-by-step explanation:

Let

x ----> the missing value

we have

$8=\sqrt[3]{x}$

solve for x

That means-----> isolate the variable x

Elevated both sides to the cube

$8^{3}=(\sqrt[3]{x})^{3}$

Remember that

$(\sqrt[3]{a})^{3}=(a^{\frac{1}{3}})^3=a$

$(\sqrt[3]{x})^{3}=x$

substitute

$8^{3}=x$

$512=x$

Rewrite

$x=512$

the equation is

$8=\sqrt[3]{512}$

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65 million would be the population in 2016

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Alice's grandmother age is a composite number between 70 and 80. This number has a factor of 11. What number is it ?

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