Answer:
116%
Step-by-step explanation:
goal was 75 minutes = 100%
she did 87 minutes, so we know it's more than 100%
(87/75) * 100 = 1.16 * 100 = 116%
Answer:
+-5
Step-by-step explanation:
=25
Square both sides to get...
x= 
To simplify it, we know that 5*5=25 so..
= 5
And don't forget it can be -5 or 5
The correct answer is C because the problem showed ( x + 20 ) and ( x + 8 ) two times in the problem. That explains why there is a two outside of the parentheses.
Hope I helped! :)
Define the area of the shape you take 5×3 = 15 area of the shape is 15
35=-5-10x
Move -5 to the other side
Sign changes from -5 to +5
35+5= -5+5-10x
35+5= -10x
40= -10x
Divide both sides by -10
40/-10= -10x/-10
Answer: x= -4