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mr Goodwill [35]
2 years ago
8

If you owe your friend $3 and you have $15, which expression would help you find out how much money you would have left?

Mathematics
1 answer:
Tju [1.3M]2 years ago
8 0

Answer:

12

Step-by-step explanation:

15 - 3 = 12

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A special liquid is held in a tank described as (x 2 + y 2 ) ≤ z ≤ 1 in a Cartesian coordinate system. Assume that the density o
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Since \rho=\dfrac mV (density = mass/volume), we can get the mass/weight of the liquid by integrating the density \rho(x,y,z) over the interior of the tank. This is done with the integral

\displaystyle\int_{-1}^1\int_{-\sqrt{1-x^2}}^{\sqrt{1-x^2}}\int_{x^2+y^2}^1(2-z^2)\,\mathrm dz\,\mathrm dy\,\mathrm dx

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\displaystyle\int_0^{2\pi}\int_0^1\int_{r^2}^1(2-z^2)r\,\mathrm dz\,\mathrm dr\,\mathrm d\theta=\boxed{\frac{3\pi}4}

7 0
3 years ago
Peter is 13 years old peters father is 6 years more than twice her age. how old is Peter's father​
ZanzabumX [31]

Answer:

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Step-by-step explanation:

13 times 2 is 26, and 6 added to 26 is 32.

I hope this helps, have a nice day.

4 0
2 years ago
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