Answer:
17 quarters, 37 nickels
Step-by-step explanation:
We just have to set up a system of equations
quarters are x
and nickels are y
x+y=54
0.25x+0.05y=6.10
now we can get ready to substitute
x=54-y
substitute it in
0.25(54-y)+0.05y=6.10
simplify/evaluate
13.5-0.25y+0.05y=6.10
-0.2y=-7.4
y=37
plug it back in
x+37=54
x=17
Answer:
B. All real numbers
Step-by-step explanation:
I calculated it logically
Answer:
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Step-by-step explanation:
Answer:
Step-by-step explanation:
<u>Use slope formula:</u>
1) Points (1, 2) and (5, 4)
- m = (4 - 2)/(5 - 1) = 2/4 = 1/2
2) Points (1, -5) and (3, 5)
- m = (5 - (-5))/(3 - 1) = 10/2 = 5
3) Points (2, 3) and (-1, 6)
- m = (6 - 3)/(-1 - 2) = 3/-3 = -1
- Slope is negative, so function is decreasing
4) Points (4, 2) and (-2, 2)
- m = (2 - 2)/(-2-4) = 0/-6 = 0