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Butoxors [25]
2 years ago
6

PLSSS HELP 30pts

Mathematics
2 answers:
Margaret [11]2 years ago
6 0

Answer:

CR = 17

Step-by-step explanation:

Using Pythagoras Theorem:

a² + b² = c²

8² + 15² = CR²

64 + 225 = CR²

289 = CR²

CR = √289

CR = 17

soldi70 [24.7K]2 years ago
3 0
Answer:17

In triangle CQR:
CQR= 90 degrees
Then CQR is a right triangle
CR^2=CQ^2+QR^2
CR^2=64+225
CR^2=289
CR=radical 289
CR=17
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Answer:

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Step-by-step explanation:

The dimensions of Rachel's living room are 80 times the measurements on the scale drawing.

Calculate the width:

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Convert inches to feet                                                   = 150/12  

Convert the improper fraction to a mixed number      = (144 + 6)/12

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Reduce the fraction to lowest terms                             = 12½ ft

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l = 80 × 2½  = 80 × 5/2 = 40 × 5 = 200 in = 200/12 = (192 + 8)/12

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A = 16⅔ × 12½

Convert the mixed numbers to improper fractions

A = 50/3× 25/2

Cancel the 2s

= 25/3 × 25

Multiply numerators and denominators                        

= 625/3

Convert the improper fraction to a mixed number    

= (624 + 1)/3

= 208⅓ ft²

The area of Rachel's living room is 208⅓ ft².

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