Answer:
$5.71
Step-by-step explanation:
20-5.88=14.12
14.12-8.41=5.71
Answer:
I have no idea. Umm maybe ask your mom. Or dad do either of them know math?
U could try to email your teacher.
Step-by-step explanation:
Answer:
6 is the answer.
Step-by-step explanation:
Using PEMDAS, let's solve.
- (6 - 2 x 2) x 3
- (6 - 4) x 3
- 2 x 3
- 6
Therefore, 6 is the answer.
Hoped this helped.
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Answer: x+y = 40
We have a = 1, b = 1, c = 40
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Explanation:
x = number of nickels
y = number of quarters
The equation 0.05x+0.25y = 5 represents adding the values from the nickels and quarters
0.05x = value of just the nickels
0.25y = value of just the quarters
0.05x+0.25y = total value = 5 dollars
That's how that first equation was formed.
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Based on those x and y definitions above, we know that x+y = 40 because there are 40 coins of either nickels or quarters only. So the sum of the two coin counts must be 40 overall.
The equation x+y = 40 is the same as 1x+1y = 40. This equation is in the form ax+by = c where,
a = 1
b = 1
c = 40
