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Sliva [168]
3 years ago
11

Find the constant of variation k for the inverse variation. Then choose the correct equation for the inverse variation.y = 4.5 w

hen x = 3
Mathematics
1 answer:
tino4ka555 [31]3 years ago
7 0
In verse variation  is

y = k/x

4.5 = k / 3
k = 3*4.5 = 13.5

Equation is y = 13.5 / x

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A car seller buys a car from a manufacturer for $8,000. He increases the cost by 6 percent. What is the markup value?
murzikaleks [220]
Mark up value is either a fixed amount or a percentage of the total cost or selling price.

In this problem, mark up value is the percentage of the total cost.

To determine the retail price, total cost and mark up must be added.

Selling Price = Total Cost + Mark up value based on Total Cost

However, we are looking for the Total cost. Thus, our formula should be

Total Cost = Selling Price - Mark up value based on Total Cost.

Let X = total cost.
Selling Price = $8,000
Mark up vale = 6% of total cost.

X = $8,000 - 6%X
X = $8,000 - 0.06X

To get X, transfer -0.06X to the other side and change its sign from negative to positive.

X + 0.06X = $8000
1.06X = $8000

To get X, divide both sides by 1.06

1.06X / 1.06 = $8000 / 1.06

X = $7,547.17
total cost.

The problem is looking for the mark up value and since it states that the mark up value is 6% of the total cost, then:

Total Cost  x  6% = Mark up value

$7,547.17 x  0.06 = $452.83 mark up value

To check:

X + 0.06X = $8000

$7547.17 + $452.83 = $8000
$8000 = $8000 equal.

4 0
3 years ago
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135,634,554 what is the value of 3
Bess [88]
30 million is the value of the 3
7 0
3 years ago
I need help please
nlexa [21]

Answer:

49

Step-by-step explanation:

No she is not correct because we dont have only one angle angle G is 90.

So we can easily find the angle D

180-(90+41) =49

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8th grade Unit 4 Lesson 12(Please Help​
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Answer:

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Find three consecutive odd integral such that the sum of seven times the smallest and twice the largest is -91
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3 years ago
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