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3 years ago

20,000 is ten times as much as

Mathematics

2 answers:

Ratling [72]3 years ago

7 0

20,000 divided by 10 is 2,000.

Vilka [71]3 years ago

6 0

Answer:

20,000 is ten times as many as 2,000

Hope this helps

Step-by-step explanation:

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The graph below shows the distance Sean rode his bike. Does this represent a proportional relationship?

Black_prince [1.1K]

We can see that for every 1 hour he increases 10 miles in his distance, so we can say it's constant, he started at 0 and increased 10 miles per hour.

Alternative C.

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3 years ago

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van purchased a dvd player on sale. the initial price was $175.90. the price after the discount was $141.37. what was the percen

Inessa [10]

Answer: that would be 19.26%

Step-by-step explanation: because it is

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3 years ago

Suppose that surface σ is parameterized by r(u,v)=⟨ucos(3v),usin(3v),v⟩, 0≤u≤7 and 0≤v≤2π3 and f(x,y,z)=x2+y2+z2. Set up the sur

Bad White [126]

Looks like you have most of the details already, but you're missing one crucial piece.

$\sigma$ is parameterized by

$\vec r(u,v)=\langle u\cos3v,u\sin3v,v\rangle$

for $0\le u\le7$ and $0\le v\le\frac{2\pi}3$ , and a normal vector to this surface is

$\dfrac{\partial\vec r}{\partial u}\times\dfrac{\partial\vec r}{\partial v}=\left\langle\sin3v,-\cos3v,3u\right\rangle$

with norm

$\left\|\dfrac{\partial\vec r}{\partial u}\times\dfrac{\partial\vec r}{\partial v}\right\|=\sqrt{\sin^23v+(-\cos3v)^2+(3u)^2}=\sqrt{9u^2+1}$

So the integral of $f(x,y,z)=x^2+y^2+z^2$ is

$\displaystyle\iint_\sigma f(x,y,z)\,\mathrm dA=\boxed{\int_0^{2\pi/3}\int_0^7(u^2+v^2)\sqrt{9u^2+1}\,\mathrm du\,\mathrm dv}$

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3 years ago

A car dealer recently sold five cars for the following profits: $10,126, $9,999, $12,398, $12,007, and $4,567. What was the mean

algol [13]

The mean for the profits of the sales is: 9819.4
The total of all the numbers are: 49097
To find the mean, we have to divide this number by 5:
49097÷5 = 9819.4.
Therefore the mean is 9819.4

PLEASE DO RATE ME AS BRAINLIEST ^ω^

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3 years ago

What is 11.1 divided by <br> 9.25

expeople1 [14]

Answer:

1.2

Step-by-step explanation:

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