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posledela
2 years ago
11

The ratio of pens to pencils that Katy has on his desk is 6:5. If Katy has 15 pencils on his desk then how many pens does he hav

e?
Mathematics
2 answers:
Marina CMI [18]2 years ago
8 0

Answer:

18 pens

Step-by-step explanation:

6:5 so

5x3=15

6x3=18

polet [3.4K]2 years ago
6 0

Answer:

18

Step-by-step explanation:

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5(0)-6y=-90
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c. Points: A, B, C, D

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Which relationships have the same constant of proportionality between yyy and xxx as the equation 3y=27x3y=27x3, y, equals, 27,
Tanya [424]

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A, B and C

Step-by-step explanation:

In the equation: 3y=27x

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y=\frac{27}{3}x\\y=9x

The constant of proportionality between y and x  is 9.

We want to determine which relationships have the same constant of proportionality 9.

<u>Option A</u>

y=9x

The constant of proportionality is 9.

<u>Option B</u>

2y=18x

Divide both sides by 2 to obtain: y=9x

The constant of proportionality is 9.

<u>Option C</u>

x=3, y=1/3

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1/3=3k

k=9

The constant of proportionality is 9.

<u>Option D</u>

x=6, y=2/3

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The constant of proportionality is 4.

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This is not a proportional relation since the constant of proportionality is not equal.

The correct options are A, B and C

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