<span>6.4u−5.1u=−3.25
Simplify
1.3u = -3.25
Divide both sides by 1.3
1.3u/1.3 = -3.25/1.3
Simplify
u = -2.5</span>
Answer:
2x + 15= 33
Step-by-step explanation:
Jerry started doing sit-ups every day. The first day he did 17 sit-ups. Every day after that he did 4 more sit-ups than he had done the previous day. Today Jerry did 73 sit-ups. Write an equation that could be solved to find the number of days Jerry has been doing sit-ups, not counting the first day. Let n represent the number of days.
C. She earned $3 per hour for gardening than for office work. You have to find the unit rate of how much she made per hour then subtract it.
90/9=10
65/5=13
13-10=3
Answer:
B. 439.6 
Step-by-step explanation:
<em><u>The formula for surface area of a cylinder is:</u></em>
A = 2πrh + 2π
A = 2π(5)(9) + 2π
A = 282.6 + 157
A = 439.6