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Whitepunk [10]
3 years ago
14

Find the radius of the sphere with the given volume 36πin^3

Mathematics
2 answers:
Bas_tet [7]3 years ago
8 0
The answer is 3 inches
Bad White [126]3 years ago
8 0

Answer:

3 in.

Step-by-step explanation:

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The volume of 2 spheres have a ratio of 27:125. what is the ratio of their radii
Citrus2011 [14]
The volume is scale factor³
Take the square root of the volume ratio

\sqrt{ \frac{27}{125} } which is 
\frac{ \sqrt{27} }{ \sqrt{125} }

\frac{3}{5}

The ratio of their radii is 3 : 5
3 0
3 years ago
Read 2 more answers
Factor and solve the problems in the photo ……….. pleaseeeee help i haven’t done algebra in 2 years
vladimir1956 [14]

Answer:

30. 2x²-x-1=0

or, 2x²-2x+x-1=0

or, 2x(x-1)+1(x-1)=0

or, (x-1)(2x+1)=0

so, x-1 = 0 or, x = 1

and 2x+1 = 0 or, 2x = -1 or, x = -1/2

so, x = 1 and 1/2

31. 3x²-14x=5

or, 3x²-14x-5=0

or, 3x²-15x+x-5=0

or, 3x(x-5)+1(x-5)=0

or, (x-5)(3x+1)=0

so, x-5=0 or, x=5

and 3x+1=0 or, 3x=-1 or, x=-1/3

so, x = 5 and -1/3

Answered by GAUTHMATH

5 0
3 years ago
HELP ASAPPPP!!! HAUSBJANAHSJISIS
JulijaS [17]
1: 72
2: 32
3: 1/2

I think this is it
6 0
3 years ago
What is the product of 2a-7/a* 3a^2/2a^2-11a+14
Vera_Pavlovna [14]

Answer:

B. 3a/a-2

Step-by-step explanation: according to e2020

8 0
3 years ago
Am I correct? Please show your work so I can compare it to my work. Thank you!
Viefleur [7K]

Answer:

200

Step-by-step explanation:

C = 0.007x² − 2.8x + 100

There are two ways we can find the minimum.  The first is by noticing that this is an upwards parabola, so the minimum is at the vertex.  For y = ax² + bx + c, the vertex is at x = -b/(2a).

x = -(-2.8) / (2 × 0.007)

x = 200

Alternatively, we can minimize C using calculus.  Take the derivative with respect to x and set to 0:

dC/dt = 0.014x − 2.8

0 = 0.014x −  2.8

x = 200

4 0
3 years ago
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