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3 years ago

14

A shoe store uses 60% markup for all of the shoes it sells. What would be the selling price of a pair of shoes that has a wholes

ale cost of $55?

1 answer:

balu736 [363]3 years ago

3 0

Step-by-step explanation:

60+55 equal 65 that my explain

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13(10 + 2) could be used to simplify which of the following problems?

Veseljchak [2.6K]

Well first you need to show the rest of the problems before i can truely help you sorry.

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3 years ago

It takes a boat going upstream 5 hours to cover the same distance, as it would cover in 3 hours going downstream. What is the sp

Vaselesa [24]

Answer: 15 kilometers per hour

Step-by-step explanation:

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3 years ago

Help please for today

miskamm [114]

Answer:

<em>y: (0 , 2.5)</em>

<em>x: (3.5 , 0)</em>

Step-by-step explanation:

Y-intercept : (0 , 2.5)

X-intercept: (3.5 , 0)

When looking at the intersection on the y-axis, the x-coordinate will be 0. And when looking at the intersection on the x-axis, the y-coordinate will be 0.

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3 years ago

Given that f(x) = 19x2 + 152, solve the equation f(x) = 0

telo118 [61]

<em><u>Option A</u></em>

<em><u>The solution is:</u></em>

$x = \pm 2i \sqrt{2}$

<em><u>Solution:</u></em>

$f(x) = 19x^2+152$

We have to solve the equation f(x) = 0

Let f(x) = 0

$0=19x^2+152$

Solve the above equation

$19x^2 + 152 = 0$

$\mathrm{Subtract\:}152\mathrm{\:from\:both\:sides}\\\\19x^2+152-152=0-152\\\\Simplify\ the\ above\ equation\\\\19x^2 = -152\\\\\mathrm{Divide\:both\:sides\:by\:}19\\\\\frac{19x^2}{19} = \frac{-152}{19}\\\\x^2 = -8$

Take square root on both sides

$x = \pm \sqrt{-8}\\\\x = \pm \sqrt{-1}\sqrt{8}\\\\\mathrm{Apply\:imaginary\:number\:rule}:\quad \sqrt{-1}=i\\\\x = \pm i\sqrt{8}\\\\x = \pm i \sqrt{2 \times 2 \times 2}\\\\x = \pm 2i\sqrt{2}$

Thus the solution is found

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3 years ago

Standard deviation of 19,29,21,22,23

MaRussiya [10]

Answer:

3.370459909

Step-by-step explanation:

Figure out the arithmetic mean of the numbers (22.8)

Subtract the mean from each number and square the difference

Add up the squared differences and divide the number by 5

Square root answer

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3 years ago