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3 years ago

A store has a $74.99 item on sale for 30% off. What is the sale price on this item?

Mathematics

1 answer:

Gre4nikov [31]3 years ago

3 0

The new price would be $22.49
1- first you device the price by 10
2- then times the answer by 3 (30 percent)

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The area of a parallelogram is 32 square miles. Find its base and height. While x-7 and x+7.

swat32

$\sqrt{x} \lim_{n \to \infty} a_n \sqrt[n]{x}$

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3 years ago

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Lera25 [3.4K]

Answer:

Step-by-step explanation:

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3 years ago

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Is the equation's graph opening up or down?

Inessa05 [86]

Answer:

Step-by-step explanation:

Your "y=2xsquared-12x+10" translates into y = 2x^2 - 12x + 10. This factors into y = 2(x^2 - 6x + 5).

Setting this = to 0 results in y = 2(x - 5)(x - 1) = 0, so that the x-intercepts are (5, 0) and (1, 0). The x-coordinate of the vertex lies halfway between x = 1 and x = 5, that is, at x = 3. Using synthetic division to evaluate y = 2x^2 - 12x + 10 at x = 3, we get

3 2 -12 10

6 -18

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2 -6 -8

Therefore, the vertex is located at (3, -8).

Setting x = 0 results in the y-intercept: y = 2(0)^2 - 12(0) + 10 => (0, 10)

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3 years ago

Help!!!!!! show all work

Gnom [1K]

Hi There!

----------------------------------------------

Part A:

Slope Intercept Form: y = mx + b

m = slope (slope = $\frac{y2 - y1}{x2 - x1}$ )

b = y intercept

$m=\frac{4 - 6}{(-2)- (-6)} = \frac{-2}{4} = \frac{-1}{2}$

b = 3

Answer: y = -1/2x + 3

----------------------------------------------

Part B:

Just substitue f(x) for y.

Function Notation = f(x) -1/2 + 3

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Part C:

This function given looks almost the same but the slope is different while the one stated in the question has a slope of +2 and the equation given at the start with the slope being -1/2.

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Hope This Helps :)

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3 years ago

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OLEGan [10]

Answer:

(-3,-6)

Step-by-step explanation:

The first coordinate is the x coordinate

X is 3 units to the left so it is -3

The next coordinate is the y coordinate

Y is 6 units down so it is -6

(-3,-6)

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2 years ago

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