Q + n = 40....q = 40 - n
0.25q + 0.05n = 5
0.25(40 - n) + 0.05n = 5
10 - 0.25n + 0.05n = 5
-0.25n + 0.05n = 5 - 10
- 0.20n = -5
n = -5 / -0.20
n = 25 <=== 25 nickels
q + n = 40
q + 25 = 40
q = 40 - 25
q = 15 <== 15 quarters
Answer:
30 Tabs?
Step-by-step explanation:
Not so sure on this, I just divided 45/1.5.
3^7 when you are multiplying numbers with the same base add the exponents.
Answer:
Step-by-step explanation:
I think your doing slope, so...
-2 - - 5 3
------------------ = --------------- = 1
0 - - 3 3
(simplifyed)
The graph represents a function but the table does not. The reason for this is that one input value (70) in the table is associated with two output values (54.6 and 53.11), which is a sure sign that we do NOT have a function here.