First we expand the brackets:
-2a + 8 + 6a = 36
4a + 8 = 36
We then need to get the a's onto one side and the numbers onto the other:
4a = 28
We can then divide to get an x by itself:
a = 28/4 = 7
Answer:
63 minutes
Step-by-step explanation:
Set up a ratio equation.
(8 miles/84 minutes should be equal to 6 miles/x amount of minutes). Set the two fractions equal to each other and solve for x by cross multiplying.
Answer:
1 13/30
Step-by-step explanation:
First you want to make the denominators the same. You do this by multiplying them. However, whatever you do you to the denominator, you must also do to the numerator:
-
=
-
=
Now reduce to simplest terms:
=1
Answer:
1 = Supplementary
2 = Vertical
3 = Congruent
4 = Supplementary
5 = Complementary
6 = Adjacent
7 = never
8 = always
9 = sometimes
10 = 79°
11 = 28°
12 = 133°
Step-by-step explanation:
The anwers is B hope it helps please give me Brainly
