Answer:
simplify
Step-by-step explanation:
Answer:
(6,-2.5)
Step-by-step explanation:
The formula for the midpoint between two points is:

Now we substitute
We have than (9, -1) is
and (3, - 4) is 
So:

So, we have:

<h2>(6,-2.5)</h2><h2 />
I can do a graphic explanation if you want.
Y = 2x + 12
2(4) + 12 = 8 + 12 = 20
She spends $20
Answer:
So either the answer will be 8.5
Step-by-step explanation:
It will be 8.5 because if you add a zero at the end of 8.5 that will be 8.50 and 8.50 is half of 9 and 9 is closes to the solution sooo.... thats what i pick
answer:
x = 4
or 5.6568
step-by-step explanation:
- know the formula and plug in
formula: a^2 + b^2 = c^2
- now plug in what we have
- whatever the RIGHT ANGLE points to is the HYPOTENUSE or c
- the other two sides are the "legs" or a and b
a^2 + b^2 = c^2
7^2 + b^2 = 9^2
49 + b^2 = 81
b^2 = 32
b = 4
- in this case, b would be used as x
x = 4
or 5.6568 (exact value)