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Dafna1 [17]
3 years ago
10

Chuanxi planned a rectangular sidewalk with a length of 21 ft. He made a scale drawing using a scale factor of 1 in. = 7 ft. He

decided to change the length of the actual sidewalk to 27 ft. If the scale drawing still has a length of 3 in., what does 1 in. represent in the new scale?
Mathematics
2 answers:
Masteriza [31]3 years ago
7 0
Original Ratio of 1 in = 7 ft so 3 in = 21 ft
Now, New ratio 1 in = x ft so 3 in = 27ft

1/x = 3/27

cross multiply a/b = c/d ad = bc
1/x = 3/27
3x = 27
x = 9

1 in represents 9 ft
Katyanochek1 [597]3 years ago
5 0

Answer:

D which is 9

Step-by-step explanation:

I took the test

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3 0
3 years ago
Find | P |<br><br> a. 15<br> b. 22<br> c. 24<br> d. 8
ankoles [38]

Answer:

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5 0
3 years ago
9=90,8=72,7=56,6=42,3=?
Nat2105 [25]
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7(8)=56

6(7)=42

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