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guajiro [1.7K]
3 years ago
8

A pencil and eraser together cost 55 cents. The pencil costs 50 cents more than the eraser. How much does the eraser costs

Mathematics
1 answer:
Rus_ich [418]3 years ago
8 0
The answer is 5 cents. To get this answer you subtract the cost of the pencil from the total cost, and that gives you the price of the eraser.

55 (total cost) - 50 (cost of pencil) = .05 cents (cost of eraser)
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Step-by-step explanation:

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black ball   and    red ball

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3.)
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Let’s find out...

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21 x 13 = 273

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So this one matches

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This one matches

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3 years ago
Write a system of equations with the solution (-3,-8) in standard form.
Katyanochek1 [597]

Answer:

y=2x-2

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Step-by-step explanation:

To solve this I will be using the point slope formula

It is as follows

y-y₁=m(x-x₁)

We can choose any m value so I will be choosing m=2

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We can simplify this to

y+8=2(x+3)

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We then repeat this process but choose a new m (the m value doesn't really matter as long as it's not 0)

I will choose 3

so we have

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Which gives u

y+8=3(x+3)

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2 years ago
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