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Svet_ta [14]
2 years ago
10

Edna earns $6 for each hour of yard work. How many hours in all will it take Edna to earn $42?

Mathematics
2 answers:
Finger [1]2 years ago
7 0

Let f(x) be her earnings for x hours. it's given that f(x) = 6x. The question asks what is x for f(x) = 42.

42 = f(x) \\~\\42 = 6x \\~\\x = 7

She has to work 7 hours.

madreJ [45]2 years ago
5 0

Answer:

42 divided by 6=7 so 7 hrs

Step-by-step explanation:

its probalay wrong im not smart lol

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tino4ka555 [31]
Find how much is reamaining
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used=tomatoes+beens
used=5/9+1/12

5/9 times 12/12=60/108
1/12 times 9/9=9/108
used=60/108+9/108
used=69/108
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1-23/36=
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2 years ago
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3 years ago
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Rama09 [41]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
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7 0
3 years ago
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babymother [125]
Using Gauss's method
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Add
S=15+11+7+....-125-129
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--------------------------------
2S=-114-114-114...(37 times)
=>
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Using AP, T(n)=15+11+7+....-129
T(n)=19-4n  => T(1)=15, T(37)=-129
S(n)=(1/2)(37)(T(1)+T(37)=(1/2)37(15-129)=2109
3 0
3 years ago
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