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emmasim [6.3K]
4 years ago
8

Keitaro buys a hat that is on sale for 15% off. He says that that total amount he will pay will be equal to 75% of the regular p

rice of the hat. Is he correct? Write an expression to justify you answer.
Mathematics
1 answer:
Archy [21]4 years ago
4 0
That is incorrect. The sale is for 15% off, which means he will pay 85% of the regular price.

This is because 100 - 15 = 85
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Rewrite the equation of the parabola in vertex form.
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The answer would be y=(x+4)^2-37
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3 years ago
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Maru [420]

Answer:

Infinitely many solutions

Step-by-step explanation:

-5.9x - 3.7y = -2.1

5.9x + 3.7y = 2.1

If we add these two equations together, -5.9x cancels out 5.9x, -3.7y cancels out 3.7y, and -2.1 cancels out 2.1.

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###

Another way of doing this would be to solve for the coefficients a,b,c,d,e,g in

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by expanding the right hand side and matching up terms with the same power of x.

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What is part of a line, has one endpoint, and continues in one direction
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3 years ago
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