3 years ago

(35 points) answer 5 and 7 only please

Mathematics

1 answer:

tatyana61 [14]3 years ago

3 0

A2+b2=c2 and get your answer

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Rearrange the formula A = \pi r ^ ( 2) for r

tatyana61 [14]

Consider re-writing this formula as "A = pi*r^2." The backslash symbol "\" is unnecessary.

If A = pi*r^2, and we wish to solve for r, then divide both sides by pi:

A/pi = r^2

Taking the square root of both sides, sqrt(A/pi) = r (r must be positive in this situation).

3 0

3 years ago

Twice the sum of four and x is three less than x.

aliya0001 [1]

Answer:

-11

Step-by-step explanation

Condition:

2(4+x)=x-3

8+2x=x-3

Combining similar terms

8+3=x-2x