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Murrr4er [49]
3 years ago
12

3 Parts with a picture. Thanks!

Mathematics
1 answer:
tatuchka [14]3 years ago
7 0

We have $8.50 an hour gross minus $2.15 an hour tax and bennys.  Then $3.75 daily expense.  In one week our net take-away y after x hours is

y = x(8.50 - 2.15) - 5(3.75)

That's the answer, or we can simplify it to

Answer: y = 6.35 x - 18.75

Answer: The slope, 6.35, is the net dollars per hour <em>before weekly expenses.</em>

Answer: The y intercept, -18.75, is the weekly expense, negative because it's an expense.

To make $120 in a week, we solve for x where y=120

120 = 6.35x - 18.75

138.75 = 6.35 x

x = 138.75 / 6.35 = 21.8503937007874

That wasn't the nice round number I was expecting/hoping for.  I don't see a mistake so let's go with

Answer: 21.85 hours to make $120

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4 years ago
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If x+y=10 and x-y =6 what is the answer of x cube - y cube fast​
AfilCa [17]

Answer:

x+y=10 which means that x=10-y

Replace 10-y in the other equation which gives you:

10-y-y=6

10-2y=6

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Replace 2 in any of the 2 equations same answer for both:

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Corresponding parts of corresponding triangles are congruent and angle additional postulate ?
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Evaluate and simplify the following complex fraction.
aniked [119]
<h3>Answer:  -22/7</h3>

=========================================================

Explanation:

The fraction 6/(-7) is the same as -6/7

We have the two fraction -6/7 and 3/11 being divided

The denominators are 7 and 11 respectively.

The LCM of those two numbers is 77 since 7*11 = 77

If we multiply each of those fractions (-6/7 and 3/11) by 77, then we'll clear out those inner denominators to simplify this complex fraction into a nicer one.

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This means the original complex fraction becomes -66/21

We can further simplify this by dividing each part by the GCF 3

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