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bixtya [17]
3 years ago
12

The function h(x) = 2.5x + 20 represents your height in inches, h(x), for x years you have been alive. How many inches tall will

you be when you are 12 years old?
A.49
B.50
C.55
D.45
Mathematics
1 answer:
sveticcg [70]3 years ago
3 0

Answer:

Step-by-step explanation:

B

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He needs to save 62.5 each week in order to buy a new cell phone
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Find the value of x.
OLga [1]

Answer:

4)55

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Step-by-step explanation:

4) x=21+34=55

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A couple wants to install a square mirror that has an area of 500 square inches.To the nearest tenth of an inch what length of w
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A couple wanted to install a square mirror that has:

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x = nearest tenth of an inch , length of wood needed

s = sides of square


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500 (area) = s2  | √

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=> √ 5 x √100

=> 10 √ 5

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Since we’re looking for the nearest tenth of decimal place value, the answer is approximately 22.4

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7 0
3 years ago
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Suppose the dimensions of a rectangular pyramid are doubled. How does this affect its volume?
andriy [413]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
A garden store bought a fountain at a cost of $995.66 and marked it up 100%. Later on, the store marked it down 25%. What was th
irinina [24]

Answer:

  $1493.49

Step-by-step explanation:

  marked price = cost price + markup

  = cost price + 100% × cost price = 2×cost price

  marked price = 2($995.66) = $1991.32

The discount is 25% of this value, or ...

  discount = 25% × $1991.32 = $497.83

Then the discounted price is ...

  discounted price = marked price - discount

  = $1991.32 -497.83 = $1493.49

The discounted price was $1493.49.

_____

<em>Additional comment</em>

In terms of multiplying factors, the marked-up price is (1 +100%) = 2 times the original cost. The discounted price is (1 -25%) = 0.75 times the marked-up price. Then the discounted price is ...

  cost(2)(0.75) = 1.5·cost = 1.5·$995.66 = $1493.49

4 0
3 years ago
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