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Ostrovityanka [42]
3 years ago
13

What is the length of FG?

Mathematics
1 answer:
shepuryov [24]3 years ago
5 0

9514 1404 393

Answer:

  C.  3.6

Step-by-step explanation:

AC = FA + FC = 4+6 = 10

AC is the hypotenuse of right triangle ABC, which has leg BC = 8. Then the length of AB is given by the Pythagorean theorem as ...

  AB² +BC² = AC²

  AB = √(10² -8²) = 6

The side lengths of these similar triangles are proportional, so you have ...

  FG/FC = AB/AC

  FG = FC(AB/AC) = 6(6/10)

  FG = 3.6

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Marsha is buying a new cell phone. She has a 45% off coupon from the store. She pays $275 for the cell phone. What is the price
jekas [21]

Answer:

The price of the cell phone without the coupon= $500

Step-by-step explanation:

Step 1: Express discounted amount

The discounted amount can be expressed as a function of the original  cost of the phone as follows;

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D=discounted amount

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replacing;

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Amount she pays=Original cost of cell phone-discounted amount

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replacing;

$275=a-0.45 a

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3 years ago
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UkoKoshka [18]

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3 years ago
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BARSIC [14]

Answer:

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7 0
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