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2 years ago

10

A shoe store recorded the price (in dollars) of 175 pairs of women's shoes and 175 pairs of men's shoes. The data collected was

used to create the following table.

1 answer:

zhuklara [117]2 years ago

5 0

Answer:

Most of the mens shoes in the data sets cost more than the womens shoes

Step-by-step explanation:

i did this and got it correct

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A class is listing things that come in fives. Some of the things on the list are: points on a star, players on a basketball team

viva [34]

Basically multiple answer

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2 years ago

Consider the force field and circle defined below.

grin007 [14]

By Green's theorem,

$\displaystyle\int_{x^2+y^2=9}\vec F(x,y)\cdot\mathrm d\vec r=\iint_D\left(\frac{\partial(xy)}{\partial x}-\frac{\partial(x^2)}{\partial y}\right)\,\mathrm dx\,\mathrm dy=\iint_Dy\,\mathrm dx\,\mathrm dy$

where $C$ is the circle $x^2+y^2=9$ and $D$ is the interior of $C$ , or the disk $x^2+y^2\le1$ .

Convert to polar coordinates, taking

$\begin{cases}x=r\cos\theta\\y=r\sin\theta\end{cases}\implies\mathrm dx\,\mathrm dy=r\,\mathrm dr\,\mathrm d\theta$

Then the work done by $\vec F$ on the particle is

$\displaystyle\iint_Dy\,\mathrm dx\,\mathrm dy=\int_0^{2\pi}\int_0^3(r\sin\theta)r\,\mathrm dr\,\mathrm d\theta=\left(\int_0^{2\pi}\sin\theta\,\mathrm d\theta\right)\left(\int_0^3r^2\,\mathrm dr\right)=\boxed0$

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2 years ago

GOLF Sky is a member of her school’s golf team. The table shows her scores from each of her matches. What was her average golf s

Fiesta28 [93]

Answer:

72,70,72, 71,71,70,69,72,69

I really didn't understand the question or what to do, but I tried.

Step-by-step explanation:

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2 years ago

Solve the system of equations 2x-y=132x−y=13 and 6x+5y=-336x+5y=−33 by combining the equations.

andreyandreev [35.5K]

Answer: (2;-9).

Step-by-step explanation:

$\left \{ {{2x-y=13\ |*(-3)} \atop {6x+5y=-33}} \right. \ \ \ \ \left \{ {{-6x+3y=-39} \atop {6x+5y=-33}} \right. .\\Summing\ up\ these\ equations:\\8y=-72\ |:8\\y=-9.\\2x-(-9)=13\\2x+9=13\\2x=4\ |:2\\x=2.$

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2 years ago

-1/9 - (-2/15)<br>write in simplest form

cupoosta [38]

<span>-1/9 - (-2/15)
= </span>-1/9 +2/15<span>
= -5/45 + 6/45
= 1/45</span>

4 0

3 years ago