Answer:
1st and 2nd Equation; what = 2.25, 3rd Equation; what = 4.44444
Step-by-step explanation:
40/4 / 9/4 = 40/9 = 4.44444
The last 2 options I belive
Answer:
Q and T answer C
Step-by-step explanation:
Answer:
There are 9 nickels and 11 pennies
Step-by-step explanation:
Systems of equation:
x=nickels
y=pennies
0.56=0.05x+0.01y
x+y=20
1. Simplify the expression
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Multiply the fractions:
Solve by distributing:
Simplify the arithmetic:
Break up the fraction:
Simplify the fraction:
Find the greatest common factor of the numerator and denominator:
Factor out and cancel the greatest common factor:
Simplify the arithmetic:
Multiply the fractions:
Solve by distributing:
Simplify the arithmetic:
Break up the fraction:
Find the greatest common factor of the numerator and denominator:
Factor out and cancel the greatest common factor:
Simplify the fraction:
2. Group all x terms on the left side of the equation
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Add to both sides:
Group like terms:
Simplify the arithmetic:
Group like terms:
Simplify the arithmetic:
3. Group all constants on the right side of the equation
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Add to both sides:
Simplify the arithmetic:
Simplify the arithmetic:
4. Isolate the x
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Divide both sides by 60:
Simplify the fraction:
Break up the fraction:
Simplify the fraction:
Find the greatest common factor of the numerator and denominator:
Factor out and cancel the greatest common factor: