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3 years ago

9

create a linear equation for a word problem dealing with income and total masks. If we know that each mask will be sold for 11.5

0 and the cost of the mask the company will pay is 3.50 and the total amount the company has to invest is 50,000.

1 answer:

GarryVolchara [31]3 years ago

4 0

Answer:

50,000=11.50x+3.50

hope that helps

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What is the equation of the parabola with a directrix at y = 4 and focus (0, -4).

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Given that the directrix is at y = 4 and the focus is at (0, -4), then the vertex is at (h, k) = (0, 0).
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7x+Y=-2

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3 years ago

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Answer:

The given point A (6,13) lies on the equation. True

The given point B(21,33) lies on the equation. True

The given point C (99, 137) lies on the equation. True

Step-by-step explanation:

Here, the given equation is : $y =\frac{4}{3} x + 5$

Now,check the given equation for the given points.

1) A (6,13)

Substitute x = 6 in the given equation $y =\frac{4}{3} x + 5$

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Hence, the given point A (6,13) lies on the equation.

2) B (21,33)

Substitute x = 21 in the given equation $y =\frac{4}{3} x + 5$

$y =\frac{4}{3} (21) + 5 = 4(7) + 5 = 28 + 5 = 33$

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Hence, the given point B(21,33) lies on the equation.

3) C (99, 137)

Substitute x = 99 in the given equation $y =\frac{4}{3} x + 5$

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Hence, the given point C (99, 137) lies on the equation.

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maria brought a blouse on sale for 20% off. the sale price was $21.76. what was the original price? round to the nearest hundred

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Which means the original price is $27.20

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