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3 years ago

14

the pool at the apartment is 30 feet long 20 feet wide and five feet deep it has been filled to 4 feet how many more cubic inche

s does it need

1 answer:

pickupchik [31]3 years ago

6 0

Answer:

600 cubic feet

Step-by-step explanation:

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10<br> 9. Solve for x.<br> (9x + 1)<br> 88<br> PLEASE HELP! will mark brainliest

Varvara68 [4.7K]

Answer:

x = 9.6

Step-by-step explanation:

9x + 1 = 88

combine like terms

9x = 87

divide

87/9 = 9.6

x = 9.6

3 0

3 years ago

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Can somebody please please help me !!!! I don’t know if the answer is A,B,C,D ! Help ASAP !!!

Alexxx [7]

Answer:

pretty sure its b

Step-by-step explanation:

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3 years ago

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Find the complex fourth roots \[-\sqrt{3}+\iota \] in polar form.

____ [38]

Let $z=-\sqrt3+i$ . Then

$|z|=\sqrt{(-\sqrt3)^2+1^2}=2$

$z$ lies in the second quadrant, so

$\arg z=\pi+\tan^{-1}\left(-\dfrac1{\sqrt3}\right)=\dfrac{5\pi}6$

So we have

$z=2e^{i5\pi/6}$

and the fourth roots of $z$ are

$2^{1/4}e^{i(5\pi/6+k\pi)/4}$

where $k\in\{0,1,2,3\}$ . In particular, they are

$2^{1/4}e^{i(5\pi/6)/4}=2^{1/4}e^{i5\pi/24}$

$2^{1/4}e^{i(5\pi/6+2\pi)/4}=2^{1/4}e^{i17\pi/24}$

$2^{1/4}e^{i(5\pi/6+4\pi)/4}=2^{1/4}e^{i29\pi/24}$

$2^{1/4}e^{i(5\pi/6+6\pi)/4}=2^{1/4}e^{i41\pi/24}$

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3 years ago

What is the solution to −1.2b−5.3≥1.9

wel

Answer:

If you want me to solve for b then

b ≤ − 6

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3 years ago

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An oblique cylinder has a radius of 10 meters and a volume of 2,500 cubic meters. Use Cavalieri’s Principle to solve for the hei

shusha [124]

The idea of the Cavalieri's Principle states that even if the cylinder is oblique, so long as the planes in the figure are parallel, the equation would still be equal to,
V = Bh = πr²h
Substituting,
2,500 = π(10 m)²h
h = 7.95 m
The answer should be 5 meters.

4 0

3 years ago