x*5 - quarter amount
(x+15)*25- nickels amount
(x*5)+((x+15)*25)=735
5x+25x+375=735
30x=735-375
30x=360
x=360/30=12 - number of nickels
x+15=12+15=27 - number of quarters
CHECK
12*5=60 ¢
27*25=675 ¢
675+60=735 ¢ or $7.35
Circumference is found by evaluating C = 2 pi r, where r is the radius of the circle. Here, C = 2 pi (2.4 cm) = 4.8 pi.
Answer:
0.55A dollars
Step-by-step explanation:
If 45% of the money was spent, then the percentage left was
100% - 45%, or 55%.
Thus, to answer this question, we multiply (A dollars) by 0.55:
0.55A dollars was left after the expenditure of 45% of the original amount.
Answer:
No. the slope is -2/3
Step-by-step explanation:
Count the spaces from one point (-3, 1) to (0, -1)
1 -(-1) / -3 - 0
- 2/3