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2 years ago

The table shows the price for different numbers of board games:

Mathematics

1 answer:

NikAS [45]2 years ago

3 0

Answer

Step-by-step explanation:

Multiply all the Number of Board Games by 3.5. It is the same as the Price already showed on the graph. So, the correct answer is B.

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insens350 [35]

-3x + 5y = -9

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Times three,

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Add to the first equation,

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3 years ago

How to simplify this question

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3 years ago

M is proportional to the cube of r. when r=3m,m=216.when r=5 find the value of m

klio [65]

Answer:

The value of m is 1000 for r=5

Step-by-step explanation:

Given that m is proportional to the cube of r

It can be written as:

$m \propto\ r^3$

When the proportionality symbol is removed a proportionality constant is introduced in the equation.

Let k be the proportionality constant

$m = kr^3$

Given

r=3,m=216

Putting the values

$216 = k(3)^3\\216 = k * 27\\k = \frac{216}{27}\\k = 8$

The equation will now become

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Putting r = 5

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Hence,

The value of m is 1000 for r=5

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