2x + 8 = 20
2x = 20 - 8
2x = 12
x = 12/2
x = 6.....he ran 6 miles on Tuesday...also ran 6 miles on Friday
Answer:
If B is the midpoint, it means
AC=2AB
8= 2(3x-1)
8= 6x-2
8+2= 6x
10= 6x
x= 10/6
x= 1.67
Hope it helps :-)
Answer:
-2.978
Step-by-step explanation:
Answer:
C. 70 in^2
Step-by-step explanation:
What you do is use the formula for finding the area of a trapezoid.
A=a+b/2(h).
a=8
b=12
h=7
A=8+12/2(7)=70 in^2 is your answer.