Plug in 6.5 for x.
-8.5x-3.5x=-78
-8.5(6.5)-3.5(6.5)=-78
-55.25-22.75=-78
-78=-78
Answer:
3428
Step-by-step explanation:
So 19 people can fit is 70 ft^2, then 3428ppl can fit.
They marked 2,9 on the wrong place , they accidentally put it on 9,2
N is a variable in algebra. Variables are letters that represent unknown numbers. Variables can be any letter of the alphabet.
Here's how to use n in an algebraic equation:
5 + n = 12
To find what N represents, let it be the only thing on the left side of the variable:
5 -5 + n = 12 - 5
n = 7
Happy to help!
Answer:
b, d, and e
Step-by-step explanation:
not a because anything to 0th power is 0 of undefined
b because when you multiply you add the exponents together
d because when you have an exponent on the outside you distribute it and multiply
d because when you divide you subtract and -- is the same as /
