Answer:
4x + 2x = 90 NOT 180.
Step-by-step explanation:
x = 15 is the correct answer.
Answer:
28
Step-by-step explanation:
p(x)=-2(x-9)^2+100
Let x= 15
p(15)=-2(15-9)^2+100
Parentheses first
= -2 ( 6) ^2 + 100
Then exponents
= -2 * 36 + 100
Then multiply
= -72 + 100
Then add
=28
Answer:
I'm pretty sure it would also be 12ft
Step-by-step explanation:
This could be true because a triangle has the same length on all three sides
Answer:
210 meters
Step-by-step explanation:
x² + 32500 = 76600
x² = 76600 - 32500
x² = 44100
This already is a perfect square
x = 210
(x is a side, so can't be negative. Therefore only positive square root)
Answer:
-2/2=-1
Step-by-step explanation:
slope = y2-y1/x2-x1 so thats how you get -2/2=-1
