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Sonja [21]
3 years ago
5

What is the volume of a sphere with a radius of 4 cm? Use 3.14 for pi. Round to the nearest hundredth.

Mathematics
2 answers:
BaLLatris [955]3 years ago
5 0
\bf \textit{volume of a sphere}\\\\
V=\cfrac{4\pi r^3}{3}\quad 
\begin{cases}
r=radius\\
-----\\
r=4
\end{cases}\implies V=\cfrac{4\pi 4^3}{3}\implies V=\cfrac{256\pi }{3}
erik [133]3 years ago
3 0

Answer:

V = 50.24cm^3

Step-by-step explanation:


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PLEASE HELP WILL MARK BRAINLIEST
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Answer:

slop =  \frac{2 - 1}{2 - 0}  =  \frac{1}{2}  \\ for \: point \: x = 0 \: y = 1 \\ y - 1 =  \frac{1}{2}  \times (x - 0) \\ y =  \frac{1}{2} x + 1

4 0
2 years ago
Find the particular solution that satisfies the differential equation and the initial condition.
Vesnalui [34]

Answer:

1) y =4x^2 +7

2) y =7s^2 -3s^4 +181

Step-by-step explanation:

Assuming that our function is y = f(x) for the first case and y=f(s) for the second case.

Part 1

We can rewrite the expression like this:

\frac{dy}{dx} =8x

And we can reorder the terms like this:

dy = 8 x dx

Now if we apply integral in both sides we got:

\int dy = 8 \int x dx

And after do the integrals we got:

y = 4x^2 +c

Now we can use the initial condition y(0) =7

7 = 4(0)^2 +c, c=7

And the final solution would be:

y =4x^2 +7

Part 2

We can rewrite the expression like this:

\frac{dy}{ds} =14s -12s^3

And we can reorder the terms like this:

dy = 14s -12s^3 dx

Now if we apply integral in both sides we got:

\int dy = \int 14s -12s^3 ds

And after do the integrals we got:

y = 7s^2 -3s^4 +c

Now we can use the initial condition y(3) =1

1 = 7(3)^2 -3(3)^4 +c, c=1-63+243=181

And the final solution would be:

y =7s^2 -3s^4 +181

7 0
3 years ago
Find the zeros of y=x^2-8x-3​
Anton [14]
This is gonna be the answer. It’s 4+sqrt(19) and 4-sqrt(19). Which is approximately 8.36 and -0.36. In x intercept form, it’s (8.36,0) and (-0.36,0) also I solved this by completing the square. I hope this helps!!! Mark as brainliest!!!

4 0
2 years ago
An animal shelter spends $1.00 per day to care for each bird and $3.50 per day to care for each cat. Gabriella noticed that the
GenaCL600 [577]
30 animals on Wednesday =

22 cats x $3.50 per day = $75

8 birds x $1.00 =$8

$75 + $8 = $85

# of birds @ the shelter = 8

# of cats @ the shelter = 22




5 0
3 years ago
I need help with this question
Svetradugi [14.3K]
U have to find the slope
Using the formula y2-y1/x2-x1
7 0
3 years ago
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