Answer:
He received 10 dimes and 15 quarters.
Step-by-step explanation:
Dimes = $0.10
Quarters = $0.25
Variable x = dimes
Variable y = quarters
Create a pair of linear equations:
0.10x + 0.25y = 4.75
x + y = 25
Isolate any variable, using an equation of your choice:
x + y = 25
x = 25 - y
Plug in this new value of x into the other equation:
0.10(25 - y) + 0.25y = 4.75
Use the distributive property:
2.5 - 0.10y + 0.25y = 4.75
Combine like terms:
2.5 + 0.15y = 4.75
Isolate variable y:
0.15y = 2.25
y = 15
Plug in the value of y into any equation:
x + y = 25
x + 15 = 25
Isolate variable x:
x = 10
Subtract the two numbers to find the measurement of the leftover piece
5.6 - 1.71 = 3.89 feet
Answer:7
Step-by-step explanation:
Because 3x7=21.
Answer:
<em>Hey mate, here's ur answer:</em>
<em>---------------------------------------------------</em>
<em>-2x^5. 4x^2 </em>
<em>=(−2)*x5*4*x2
</em>
<em>=−8*x7
</em>
<u><em>=−8x7</em></u>
<em>--------------------------------------------------</em>
<em>Hope it helps</em>
<em>#stayhomestaysafemate</em>
<em>:D</em>
