3 years ago

An airplane is 280 feet long. Charlie makes a scale model of the airplane at 1:140 of its actual size. How long is the model?

1 answer:

8 0

Answer:

2 feet long

Step-by-step explanation:

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Agata [3.3K]

{x-(-3/4)}^2=3^2
(x+3/4)^2=9
{(4x+3)/4}^2=9
(4x+3)^2/16=9
(4x+3)^2=9*16
16x^2+2*4x*3+3^2=144
16x^2+24x+9=144
16x^2+24x+9-144=0
16x^2+24x-135=0

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MrRissso [65]

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avanturin [10]

Write as a multiplication sentence.

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1 year ago

Rzqust [24]

Answer:

-7

Step-by-step explanation:

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3 years ago