Answer:
2496.78
Step-by-step explanation:
Answer: a= -3
Step-by-step explanation:
a+3=-2
a=-3
Answer:
-2w - 4.2 - 3.4
Step-by-step explanation:
I use the calculator
Answer:
b = 10
Step-by-step explanation:
The area (A) of a triangle is calculated as
A =
bh ( b is the base and h the height )
Here h = 3x + 15 and A = 15x + 75, thus
× b × (3x + 15) = 15x + 75
Multiply both sides by 2 to clear the fraction
b(3x + 15) = 30x + 150
Divide both sides by (3x + 15)
b =
← factor numerator and denominator
=
← cancel the factor (x + 5) on numerator/denominator
= 
= 10
The y-intercept is (0,7) and the x-intercept is (-2,0).