Which of the following is the equation of a line that is perpendicular to a line that goes through points at (–1, 5) and (1, –3)and contains point (4, -4)? A.y =–4x–5

B. y =−4x−3

C. y =¼x−3

D. y =¼x−55.

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Ответ:

ethanhose05

27.08.2021

Mathematics

Required equation $\frac{1}{6.2}=\frac{15}{x}$

The height of statue of liberty is 93 meters.

Step-by-step explanation:

Given : Howard has a scale model of the Statue of Liberty. The model is 15 inches tall. The scale of the model to the actual statue is 1 inch : 6.2 meters.

To find : Which equation can Howard use to determine x, the height in meters, of the Statue of Liberty?

Solution :

The model is 15 inches tall.

The scale of the model to the actual statue is 1 inch : 6.2 meters.

Let x be the height in meters of the Statue of Liberty.

According to question, required equation is

$\frac{1}{6.2}=\frac{15}{x}$

Cross multiply,

$x=15\times 6.2$

x=93

Therefore, the height of statue of liberty is 93 meters.

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Which of the following is the equation of a line that is perpendicular to a line that goes through points at (–1, 5) and (1, –3)and contains point (4, -4)? A.y =–4x–5B. y =−4x−3 C. y =¼x−3D. y =¼x−55.