[5(14-2)^2]/2=
(5•12^2)/2=
5•144/2=
5•72=
720/2= 360
Answer:
Step-by-step explanation:
18 miles..................60 min
18/60= 0.30 miles/ min
10 minutes 0.30*10=3 miles
Answer: 12 blue marbles
Step-by-step explanation: Set up a proportion.
4/5 = x/15
Solve for x, the number of blue marbles. Cross multiply. You will get 60 = 5x
Divide by 5 on each side.
x = 12
There are 12 blue marbles.
Answer:
uh,
Step-by-step explanation:
42-55=7 7+25=32
32:55
i am sorry if this doesn't help!~