N = nickels and q = quarters
0.05n + 0.25q = 1.90
n = 2q + 3
0.05(2q + 3) + 0.25q = 1.90
0.10q + 0.15 + 0.25q = 1.90
0.10q + 0.25q = 1.90 - 0.15
0.35q = 1.75
q = 1.75/0.35
q = 5 ......there are 5 quarters
n = 2q + 3
n = 2(5) + 3
n = 10 + 3
n = 13 <=== there are 13 nickels
Answer:
the answer is 4,500kgm/s2
Step-by-step explanation:
force= mass × acceleration

Answer:
Step-by-step explanation:
(3p+6)/(7p-9)
Step-by-step explanation:
f(g(x))
= f(4x)
= (4x) - 3. (A)