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VladimirAG [237]
3 years ago
15

There are only red, yellow and orange buttons in a jar

Mathematics
1 answer:
Anton [14]3 years ago
3 0

Answer:

7+4+9= 20 parts per whole

7+4+9= 20 parts per wholered: 7/20 = 35%

7+4+9= 20 parts per wholered: 7/20 = 35%yellow: 4/20 = 20%

7+4+9= 20 parts per wholered: 7/20 = 35%yellow: 4/20 = 20%orange: 9/20 = 45%

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C

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5 0
3 years ago
Mai is filling her fish tank. Water flows into the tank at a constant rate. Complete the table and answer the question below.
kvasek [131]

Answer:

r = 1.6

Step-by-step explanation:

Given

x   -----   y

0.5. --- 0.8

1. --- 1.6

3.--- 4.8

25. --- 40

Required

Determine the constant of proportionality

This can be calculated using the following formula:

y = rx ; Where r is the constant of proportionality;

Solve for r

r = \frac{y}{x}

When x = 0.5; y = 0.8

r = \frac{0.8}{0.5}

r = 1.6

When x =  1; y =1.6

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When x =  3; y = 4.8

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Notice that the value of r is constant throughout;

Hence:

r = 1.6

5 0
3 years ago
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