Write the equation in standard form: 3x-9=7y

Answers

Answer 1

Answer: If in standard form you mean slope intercept form, then you are looking to create an equation that looks like this:

y = mx + b

So you need to move around the numbers whilst keeping both sides equivalent.

3x - 9 = 7y
7y = 3x - 9
y = (3x)/7 - 9/7

Your answer should look like this:

y = (3x)/7 - 9/7

If this is not what you meant by standard form please comment and I will see if I can adjust the answer.

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Your friend’s swimming pool is in the shape of a rectangular prism, with a length of 25 feet, a width of 8 feet, and a height of 5 feet. a. What is the volume of your friend’s swimming pool?
b. Your swimming pool is in the shape of a cylinder with a diameter of 16 feet and has the same volume as your friend’s pool. What is the height of your pool? Round your answer to the nearest whole number.
c. While you were on vacation, 6 inches of water evaporated from your pool. About how many gallons of water evaporated from your pool? ( ) 3 1 ft 7.5 gal ≈ Round your answer to the nearest whole number.

Answers

the volume of the swimming pool is 125.

Which set of side lengths defines a right triangle?A.

7, 9, 13

B.

5, 12, 14

C.

8, 15, 17

D.

9, 12, 14

Answers

If you have a lot of Pythagorean triples memorized, then you'd probably know immediately, but if not, then you can use the Pythagorean Theorem to calculate each one:

A.: 7^2+9^2=49+81 which is not equal to 13^2, or 169

B.: 5^2+12^2=25+144 which is not equal to 14^2, or 196

C.: 8^2+15^2=64+225=17^2=289

D.: 9^2+12^2=81+144 which isn't equal to 14^2, or 196

Therefore, the correct answer is C.

9. Ziggy sold Girl scout cookies as a fundraiser. She sold 35 boxesof thin mints and 28 boxes of Samoas. What is the ratio of the
number of boxes of Thin Mints sold to the total number of boxes
sold?
a. 28 to 63
b. 35 to 63
C. 28 to 35
d. 63 to 35