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2 years ago

Which number is rational

Mathematics

2 answers:

Leto [7]2 years ago

5 0

Answer:

what are the answer choices

Step-by-step explanation:?

Volgvan2 years ago

3 0

Answer:

number 8 is a rational number because it can be written as the fraction 8/1

Step-by-step explanation:

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Calculate the perimeter of a regular pentagon which has a side of 9cm

Alisiya [41]

The answer is 45. there are 5 sides. each one is 9cm. 9*5= 45.
hope this helps.

8 0

2 years ago

last year Rafael opened an investment was count with $5,500 at the end of the year the amount in the account has been decreased

Vlad1618 [11]

Answer: The new amount is 0.78*5500. Which is 4290. The decrease is 5500-4290=1210.

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2 years ago

Use polar coordinates to find the volume of the given solid. bounded by the paraboloid z = 5 + 2x2 + 2y2 and the plane z = 11 in

podryga [215]

Using cylindrical coordinates,

$\displaystyle\int_{x=0}^{x=\sqrt3}\int_{y=0}^{y=\sqrt{3-x^2}}\int_{z=5+2x^2+2y^2}^{z=11}\mathrm dz\,\mathrm dy\,\mathrm dx$
$\displaystyle=\int_{\theta=0}^{\theta=\pi/2}\int_{r=0}^{r=\sqrt3}\int_{z=5+2r^2}^{z=11}r\,\mathrm dz\,\mathrm dr\,\mathrm d\theta$
$=\displaystyle\frac\pi2\int_{r=0}^{r=\sqrt3}r(11-(5+2r^2))\,\mathrm dr$
$=\displaystyle\pi\int_{r=0}^{r=\sqrt3}(3r-r^3)\,\mathrm dr$
$=\dfrac{9\pi}4$

3 0

2 years ago

Genesis and Skylar are both driving along the same highway in two different cars to a stadium in a distant city. At noon, Genesi

Amanda [17]

Answer:

The answer is 66.

Step-by-step explanation:

Subtract the two distances, and the answer is 266. Have a great day!

5 0

1 year ago

Read 2 more answers

Find the distance between -2 1/2 and -5 3/4 on a number line

Elena-2011 [213]

Answer:

13/4

Step-by-step explanation:

Convert these numbers to a mixed fraction.

-5 3/4 => -23/4

-2 1/2 => -5/2

Make them have a common denominator

-5/2 => -10/4

-23/4 can stay the same.

To find the distance between the two numbers, subtract the lesser value from the greater value.

-23/4 is <u>less</u> than -10/4.

(-10 - (-23)) /4

= 13/4

Therefore the distance between -2 1/2 and -5 3/4 on a number line is 13/4.

5 0

3 years ago