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dimulka [17.4K]
2 years ago
12

A model airplane is built on the scale of 0.5 inch for every 11 feet. The length of the

Mathematics
1 answer:
Tema [17]2 years ago
6 0

Answer:

9.59 ft

Step-by-step explanation:

\frac{211}{11}

= 19.181818\\multiply\\by\\0.5\\= 9.59

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Serjik [45]

Answer:

x =12\ or\ -8

Step-by-step explanation:

Given

(x_1,y_1) = (6,5)

(x_2,y_2) = (8,2)

(x_3,y_3) = (x,11)

Area = 15

Required

Find x

The area is calculated as thus:

Area = \frac{1}{2}|x_1(y_2 - y_3) + x_2(y_3 - y_1) + x_3(y_1 - y_2)|

Substitute values

15 = \frac{1}{2}|6*(2 - 11) + 8*(11 - 5) + x(5 - 2)|

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Multiply through by 2

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