N= -112/5. Use mathpapa for step by step don’t use in school teachers will know.
Let dimes = d and quarters =q
D + q = 50
D= 50-q
0.10d + 0.25Q = 7.70
Replace d with 50-q:
0.10(50-q) + 0.25q = 7.70
Simplify:
5 -0.10q + 0.25q = 7.70
5 + 0.15q = 7.70
Subtract 5 from both sides:
0.15q = 2.70
Divide both sides by 0.15:
Q = 2.70 / 0.15
Q = 18
D = 50-18 = 32
There are 32 dimes and 18 quarters
9514 1404 393
Answer:
- f²(1.5) = -0.5
- f³(1.5) = -1.5
Step-by-step explanation:
![f^2(1.5)=f(f(1.5)) = -1|0.5 -4|+3\\\\=-1|-3.5|+3\\\\=-1(3.5)+3\\\\=\boxed{-0.5}\\\\f^3(1.5)=f(f^2(1.5))=-1|-0.5-4|+3\\\\=-1|-4.5|+3\\\\=-1(4.5)+3\\\\=\boxed{-1.5}](https://tex.z-dn.net/?f=f%5E2%281.5%29%3Df%28f%281.5%29%29%20%3D%20-1%7C0.5%20-4%7C%2B3%5C%5C%5C%5C%3D-1%7C-3.5%7C%2B3%5C%5C%5C%5C%3D-1%283.5%29%2B3%5C%5C%5C%5C%3D%5Cboxed%7B-0.5%7D%5C%5C%5C%5Cf%5E3%281.5%29%3Df%28f%5E2%281.5%29%29%3D-1%7C-0.5-4%7C%2B3%5C%5C%5C%5C%3D-1%7C-4.5%7C%2B3%5C%5C%5C%5C%3D-1%284.5%29%2B3%5C%5C%5C%5C%3D%5Cboxed%7B-1.5%7D)
Answer
:2 X 0.018 = 0.036 (thirty six hundreds)
Step-by-step explanation: