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3 years ago

Dilate the figure by the scale factor. Then enter the new coordinates. K = 2

Mathematics

1 answer:

barxatty [35]3 years ago

7 0

Answer:

A = (-6, 4)

B = (2,2)

C = (-2, 2)

Step-by-step explanation:

If a coordinate (x, y) is dilated by a factor of k, the resulting coordinate will be expressed as (kx, ky). Note that each coordinate is multiplied by the scale factor Given the coordinates (-3,2),(1,1)(-1,-1), if they are dilated by a factor of 2, the resulting coordinate will be;

A = (2(-3), 2(2)) = (-6, 4)

B = (2(1),2(1)) =(2,2)

C = (2(-1), 2(-1)) = (-2, 2)

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Answer:

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100-39=61

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3 years ago

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vesna_86 [32]

Answer:

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Step-by-step explanation:

We are given that Tublu buys a cylindrical water tank of height 1.4 m and diameter 1.1 m to catch rainwater off his roof. He has a full 2 liters tin of paint in his store and decides to paint the tank (not the base).

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From the question, it is clear the area of the tank which needs to be painted is the lateral surface area (because the base is not included).

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where, r = radius of the cylinder = $\frac{\text{Diameter}}{2}$ = $\frac{1.1 }{2}$ = 0.55 m

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