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grandymaker [24]
3 years ago
15

A plumber charges $75 per hour and spends $30 a

Mathematics
1 answer:
grandymaker [24]3 years ago
6 0

Answer:

E = 75x - 30

Step-by-step explanation:

E = earnings

X = hours worked

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PLEASE HELP 15 POINTS WILL GIVE BRAINLIEST The following formula, F = ma, relates three quantities: Force (F), mass (m), and acc
8_murik_8 [283]
Part A

The expression "ma" is the same as "m*a" (m times a). To isolate 'a', we divide both sides by m. Division is the inverse operation of multiplication. Think of it as undoing multiplication

F = ma
F = m*a
F/m = m*a/m
F/m = a
a = F/m

Answer: a = F/m
Note: the slash "/" without quotes means "divide"

===========================================
Part B

Use the result from part A. We will plug F = -24 and m = 10 into that equation

a = F/m
a = -24/10
a = -2.4

Answer: -2.4

===========================================
Part C

We will use the equation F = m*a

F = m*a
24 = m*12 ... plug in F = 24 and a = 12
24/12 = m*12/12
2 = m
m = 2

Answer: 2


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3 years ago
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Shkiper50 [21]

Answer:

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one you can't add, subtract, round up, or use decimals write that down.

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