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Leto [7]
4 years ago
12

A rectangular field that measures 15 ft by 20 ft must be increased by a scale factor of 1.8. The new dimensions of the field wil

l be ________ ft by 36 ft.
Mathematics
2 answers:
dusya [7]4 years ago
3 0
27. 15 x 1.8 = 27 and 1.5 x 20 = 36
luda_lava [24]4 years ago
3 0
The scale factor is what u multiply one shape by to get the other shape

so if ur scale factor is 1.8....
and ur old measurement is 15 ft by 20 ft

then ur new measurement is :
15 * 1.8 = 27
20 * 1.8 = 36
so the new dimensions are : 27 ft by 36 ft <==
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Answer:

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Step-by-step explanation:

Part A)

We are given that y varies directly with x, and y=10 when x=-2 what direct variation equation relates x and y?

If x and y are directly related then:

y ∝ x or y=kx

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Now, finding k:

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y=k\,\,x\\10=k*-2\\k=10/-2\\k=-5

So, value of k = -5

So, the direct variation equation that relates x and y is:

y= -5x

Part B)

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the equation is:

y= -5x

Putting x = -15

y=-5x\\y=-5(-15)\\y=75

So, value of y = 75

Keywords: Direct Variation

Learn more about Direct Variation at:

  • brainly.com/question/10708697
  • brainly.com/question/2495851

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4 years ago
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