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dolphi86 [110]
3 years ago
5

A backpack is on sale for 30% off. If the sales price is $15.75, what is the original price?

Mathematics
1 answer:
Kryger [21]3 years ago
5 0

Answer:

Your answer is 16.05

Step-by-step explanation:

15.75 + 0.3 = 16.05

16.05 - 0.3 = 15.75

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Perimeter of a square = 4s where is the length of one side.

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A construction worker bought several bottles of juice for three dollars at the convenient store. She paid for them with a $20 bi
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Can you turn these inequalities into y=mx+b form? <br> y&gt; 3x-6<br><br><br> 4x-y&lt;7
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8 0
3 years ago
Please help!!!!!!!!!!!
boyakko [2]

Answer:

  (7√6)/2

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The side ratios in these special triangles are ...

  30°-60°-90° triangle: 1 : √3 : 2

  45°-45°-90° triangle: 1 : 1 : √2

This tells you the length of the horizontal line is 7√3, and the value of x is ...

  (7√3)/√2 = (7√6)/2

_____

<em>Additional comment</em>

Call the length of the horizontal line "y". Then the given ratios tell you ...

  7 : y = 1 : √3   ⇒   y/7 = √3/1   ⇒   y = 7√3

and

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When we rationalize the denominator, we get ...

  x = (y√2)/2 = ((7√3)√2)/2 = (7√6)/2

4 0
2 years ago
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