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grin007 [14]
3 years ago
11

henry receives a flat rate of $90 per day and can earn a $2.50 commission for each computer repair (r) he performs. yolanda rece

ives a flat rate of $75 per day and can earn $5.25 per computer sale (s) she makes. which system of linear equations models their earnings?
Mathematics
1 answer:
Blizzard [7]3 years ago
4 0
Henry: 2.50r + 90 = Earnings
Yolanda: 5.25r + 75 = Earnings
Where r is the number of repairs performed. 
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Step-by-step explanation:

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Ratling [72]

Answer: A. Cost per egg = $4 .

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Step-by-step explanation:

Formula: cost per item = (total cost) ÷ (number of items)

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Cost per egg = $ (12÷3) = $4

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Cost per pound of peanuts = $ (7.50 ÷ 3)= $ 2.5

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4 years ago
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adell [148]

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3 years ago
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Lisa [10]
The formula of the volume of a cylinder:

V=\pi r^2H\\\\where:\\\\r-a\ radius\\H-a\ height\\\pi r^2-an\ area\ of\ base

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and

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substitute:

\pi r^2\cdot20=900\ \ \ |:20\\\\\pi r^2=45\ dm^2

Answer: The area of a base of the cylinder is equal 45 dm².
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3 years ago
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