3 years ago

Which of the following is algebraically equivalent to the sum of and ?

Mathematics

1 answer:

Naddika [18.5K]3 years ago

4 0

What is the question marks value?

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3 years ago

Rory earned an 84% on his test. He answered 21 questions correctly. How many total questions were on the

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3 years ago

I really don't understand help

Zielflug [23.3K]

Answer:

128 ft sq.

Step-by-step explanation:

The way you find the area of a square is by multiplying one side by another, and since it is a square, the sides are the same. This means that if we have a square with a side length of x, the way to find the area of that square is to multiply x by x, which can be written as $x^2$ . Now, since we're doubling this, we can say that double Mary's garden is $2 * x^2$ . If we substitute 8 in for x, we have to multiply $8^2$ by 2 or 8 by 8 by 2 to find our answer. 8 times 8 is 64 and 64 times 2 is 128.