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sammy [17]
3 years ago
14

HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!! The diameter of a cylindrical water tank is 10ft, and its height is 9ft. What is the volume of

the tank? Use the value 3.14 for π, and round your answer to the nearest whole number. Be sure to include the correct unit in your answer. PLZ answer ASAP PLZ
Mathematics
2 answers:
Alexus [3.1K]3 years ago
3 0

Answer:

785

Step-by-step explanation:

because 3.14 times 5 (radious) squared(25) times ten is 785

weeeeeb [17]3 years ago
3 0

Like prisms, the volume is found by multiplying the area of one end of the cylinder (base) by its height.

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Plz help me plz I really need help
Zolol [24]

Step 1: 198 ×\frac{1}{3} = 66, the number of men who left the party

Step 2: 256×\frac{1}{4}= 64, the number of women who left the party

66+64=130

Since 130 is the number of people that left, you would subtract it from the total number of people at the party originally.

198+256=454

454-130=325

So, 325 people are left at the party

3 0
4 years ago
What is 9/45 divided by 7/42
Brrunno [24]
first\ sipmlify\ the\ 
fractions:\\\dfrac{9}{45}=\dfrac{9:9}{45:9}=\dfrac{1}{5}\\\\\dfrac{7}{42}=\dfrac{7:7}{42:7}=\dfrac{1}{6}\\\\\dfrac{9}{45}:\dfrac{7}{42}=\dfrac{1}{5}:\dfrac{1}{6}=\dfrac{1}{5}\cdot\dfrac{6}{1}=\dfrac{1\cdot6}{5\cdot1}=\dfrac{6}{5}=\dfrac{5+1}{5}=\dfrac{5}{5}+\dfrac{1}{5}\\\\=1+\dfrac{1}{5}=\boxed{1\dfrac{1}{5}}
8 0
4 years ago
Read 2 more answers
Enter an equation in point-slope form for the line.<br> Slope is 1/6 and (−7, 1) is on the line.
Andrej [43]

Point-slope form: y - y1 = m(x - x1)

(x1, y1) = a coordinate

m = slope

Now, substitute with the given information.

y - 1 = 1/6(x + 7)

Hope This Helped! Good Luck!

6 0
3 years ago
the increase in a persons body temperature T(t), above 98.6 degrees F, can be modeled by function T(t)=4t/t^2+1, t represents th
ehidna [41]
The horizontal asymptote is the limit of the temperature as time goes to infinity.

If we ignore the constant in the denominator, then
T = \frac{4t}{t^2} = \frac{4}{t}

And the limit as t-> infinity is 0
\lim_{t \to \infty} \frac{4}{t} = 0

This means the temperature will decrease over time approaching 98.6 in the long run.
4 0
3 years ago
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Find the length of the curve. R(t) = cos(8t) i + sin(8t) j + 8 ln cos t k, 0 ≤ t ≤ π/4
arsen [322]

we are given

R(t)=cos(8t)i+sin(8t)j+8ln(cos(t))k

now, we can find x , y and z components

x=cos(8t),y=sin(8t),z=8ln(cos(t))

Arc length calculation:

we can use formula

L=\int\limits^a_b {\sqrt{(x')^2+(y')^2+(z')^2} } \, dt

x'=-8sin(8t),y=8cos(8t),z=-8tan(t)

now, we can plug these values

L=\int _0^{\frac{\pi }{4}}\sqrt{(-8sin(8t))^2+(8cos(8t))^2+(-8tan(t))^2} dt

now, we can simplify it

L=\int _0^{\frac{\pi }{4}}\sqrt{64+64tan^2(t)} dt

L=\int _0^{\frac{\pi }{4}}8\sqrt{1+tan^2(t)} dt

L=\int _0^{\frac{\pi }{4}}8\sqrt{sec^2(t)} dt

L=\int _0^{\frac{\pi }{4}}8sec(t) dt

now, we can solve integral

\int \:8\sec \left(t\right)dt

=8\ln \left|\tan \left(t\right)+\sec \left(t\right)\right|

now, we can plug bounds

and we get

=8\ln \left(\sqrt{2}+1\right)-0

so,

L=8\ln \left(1+\sqrt{2}\right)..............Answer

5 0
3 years ago
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