Answer:
Step-by-step explanation:
let the number of dimes=x
and number of quarters=y
x=2y
0.10 x+0.25 y=2.25
or 10x+25y=225
divide by 5
2x+5y=45
2 ×2y+5y=45
4y+5y=45
9y=45
y=45/9=5
x=2y=2×5=10
Hence dimes=10
quarters=5
3b^2 - x = -9b^2
x = 3b^2 +9b^2
x = 12b^2
3b^2 -12b^2 = -9b^2
hope this will help you
Answer:
1.
rule={-x,y}
G'={-3,-3}
H'={5,-1}
J'={4,-3}
K'={-2,2}
2.
rule={x,-y}
A'={-4,-12}
B'={0,-10
C'={6,2}
4.=?
5.=?
Step-by-step explanation:
