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pashok25 [27]
3 years ago
11

What scale factor was used in dilation

Mathematics
1 answer:
Mars2501 [29]3 years ago
3 0

Answer: (c) \bold{\dfrac{3}{4}}

<u>Step-by-step explanation:</u>

Chooe any point <em>I am choosing point W.</em>

The W' is closer to C than W so the dilation is less than 1

The only answer choice that is less than 1 is option c.

Why is this the answer? <em>because the side lengths are proportional</em>

\dfrac{CW'}{CW} = \dfrac{WX'}{WX}= \dfrac{3}{4}

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Answer:

3 pounds of peanuts and 2 pounds of cashews

Step-by-step explanation:

Let x be the pounds of peanuts and y be the pounds of cashews

Greta wants to make 5 pounds of a nut mix using peanuts and cashews.

So, x+y=5 ----- A

Cost of 1 pound of peanuts = $4

Cost of x pounds of peanuts = 4x

Cost of 1 pound of cashews = $9

Cost of y pounds of cashews = 9y

Her budget requires the mixture to cost her $6 per pound

So, cost of mixture of x pounds of peanuts and y pounds of cashews is 6(x+y)

So, 4x+9y=6(x+y) --- B

Plot A and B

x+y=5 ---Blue

4x+9x=6(x+y) ---Green

Refer the attached figure

Intersection point = (x,y)=(3,2)

Hence she should use 3 pounds of peanuts and 2 pounds of cashews

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