3 years ago

Write the word sentence as an equation. Then solve.

Mathematics

1 answer:

gtnhenbr [62]3 years ago

5 0

The equation is $c-13=-2$

The solved equation is 11

First, we must add 13 on both sides

$c=11$

The answer to the equation is $c=11$

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Factorise x^2/4-y^2/4

Nuetrik [128]

Answer:

$\large\boxed{\left(\dfrac{x}{2}-\dfrac{y}{2}\right)\left(\dfrac{x}{2}+\dfrac{y}{2}\right)=\dfrac{x-y}{2}\cdot\dfrac{x+y}{2}}$

Step-by-step explanation:

$\dfrac{x^2}{4}-\dfrac{y^2}{4}=\dfrac{x^2}{2^2}-\dfrac{y^2}{2^2}\qquad\text{use}\ \left(\dfrac{a}{b}\right)^n=\dfrac{a^n}{b^n}\\\\=\left(\dfrac{x}{2}\right)^2-\left(\dfrac{y}{2}\right)^2\qquad\text{use}\ (a-b)(a+b)=a^2-b^2\\\\=\left(\dfrac{x}{2}-\dfrac{y}{2}\right)\left(\dfrac{x}{2}+\dfrac{y}{2}\right)=\dfrac{x-y}{2}\cdot\dfrac{x+y}{2}$

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3 years ago

Which are the next four digits in the repeating decimal 4.715

skad [1K]

Answer. .7157
Explanation. If the decimal is repeating, we must continue the pattern. Hope this helps, let me know if it’s correct so others can use it :)
Good luck.

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3 years ago

A company's mean salary is $65,000 with a standard deviation of $6,000. If a sample of

sweet-ann [11.9K]

Answer:

None of these

Step-by-step explanation:

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2 years ago

Read 2 more answers

Melba saved $13,992 over an 11-year period. She saved the same amount each year. How much