See the attached picture for the answers:
15:42 ??? I think so. Have a good day.
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
Answer:
#1. Insert the given values into the equation:
Simplify multiplication from left to right:
Simplify subtraction:
#2. Insert the given values into the equation:
Use PEMDAS. Simplify multiplication:
Simplify division:
#3. Insert given values into the equation:
Use PEMDAS. Simplify parentheses:
Use PEMDAS. Simplify multiplication:
Simplify subtraction:
<span>9.88 x 10^10
I rounded to .88 because .8765 is approximately .88</span>