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jasenka [17]
3 years ago
10

The equation y=1/2x represents a proportional relationship. What is the constant of proportionality ?

Mathematics
1 answer:
Helen [10]3 years ago
6 0

Answer:

Is that the full question?

Step-by-step explanation:

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Answer:

the answer is A.

Step-by-step explanation:

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Somebody pls help me!!!
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<h3>Answer:  60 units</h3>

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Explanation:

The similar red marks on the angles tell us those angles are congruent. So they are the same measure.

The sides opposite those congruent angles are the same length. This means AC = BC. This triangle is isosceles.

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Solve for x

AC = BC

5x-8 = 2x+7 .... substitution

5x-8-2x = 7 ... subtract 2x from both sides

5x-2x = 7+8 ..... add 8 to both sides

3x = 15

x = 15/3 ... divide both sides by 3

x = 5

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Use that x value to compute each side length

AB = 3x+11 = 3*5+11 = 15+11 = 26

BC = 2x+7 = 2*5+7 = 10+7 = 17

CA = 5x-8 = 5*5-8 = 25-8 = 17

Note how BC and CA are the same length (17 units). This helps confirm we have the right x value.

----------------

The last step is to add up all the side lengths to get the perimeter

perimeter of triangle = sum of all the sides

perimeter of triangle = side1 + side2 + side3

perimeter of triangle ABC = AB + BC + CA

perimeter of triangle ABC = 26 + 17 + 17

perimeter of triangle ABC = 60 units

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Which expression has the largest value each has 9/16 as the factor
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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A. None of these

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The largest perfect square under 100 would actually be 81 (9 x 9)

90 and 99 are not perfect squares and 64 is smaller than 81.

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