Answer:
r=8
Step-by-step explanation:
59 =7r+3
Subtract 3 from each side
59 -3 = 7r+3-3
56 = 7r
Divide each side by 7
56/7 = 7r/7
8 =r
I just had a test on vectors so I feel your pain! Explained in the picture above. Hope it helps C:
Edit: in picture I say tantheta = x/y sorry I meant y/x
Divide the $90 by 5 hours,
giving you $18 per hour.
a. $18x8=$144
b. 6 hours
Answer:
65 days.
Step-by-step explanation:
because 13 multiplied 5 is 65 and 5 multiplied by 13 is also 65.