Answer: a = 300, b = b = 50.24
Step-by-step explanation:
Two angles are supplementary when they <span>add up to 180 degrees </span>⇒
m∠1 + m∠2 = 180°
4y + 7 + 9y + 4 = 180
13y + 11 = 180
13y = 180 - 11
13y = 169
y = 169/13
y = 13
m∠2 = 9y + 4 = 9 * 13 + 4 = 121°
Answer: $2.18
Step-by-step explanation:
You are trying to solve for the cost of one bag or unit cost. Take
the amount of money spent and divide it by the number of bags
purchased.
10.90 ÷ 5 = 2.18
Answer:
4+2d
Step-by-step explanation:
2(3+d-1)
6+2d-2=6+(-2)+2d
=4+2d
