Answer:
It is 10.
Step-by-step explanation:
b=70 divided by 10 which is 7
Answer:-2
Step-by-step explanation:
A P E X
Answer:
The length of the ramp is at least 17.2 feet
Step-by-step explanation:
See attachment for the appropriate diagram.
The length of the ramp is represented with z
So, we have:


Required
Find z
To find z, we make use of sine formula:

Make z the subject

So:



<em>The length is at least 17.2 feet</em>
Rise/Run, so it rises 20, it runs 3, so it is 20/3, or 6 2/3.
Answer:
Step-by-step explanation:
d=2q, q=d/2
10d+25q=630, using q=d/2
10d+25d/2=630
20d+25d=1260
45d=1260
d=28
So he has 28 dimes.