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Tanzania [10]
3 years ago
5

Not good at math can anyone help will appreciate it a lot thank you.

Mathematics
1 answer:
julsineya [31]3 years ago
7 0
I understand but it’s hard to explain in many ways... I would assume asking your teacher for help
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Given a sphere with a diameter of 6 cm, find its volume to the nearest whole<br> number.
mezya [45]

Answer:

Volume of the sphere is 1.13\times 10^{-4}m^3

Step-by-step explanation:

It is given diameter of the sphere d = 6 cm = 0.06 m

Radius of the sphere

r=\frac{d}{2}=\frac{0.06}{2}=0.03m

We know that volume of the sphere is given by

V=\frac{4}{3}\pi r^3

Therefore ,

V=\frac{4}{3}\times 3.14\times  0.03^3

=1.13\times 10^{-4}m^3

Therefore volume of the sphere is 1.13\times 10^{-4}m^3

6 0
2 years ago
What is does a equal
Blababa [14]

Answer:

<u>a = 13</u>

Step-by-step explanation:

We should know that: The sum of the interior angles of the triangle = 180°

Given the measure of the angles: (6a - 2) , (5a - 13) and (5a - 13)

So,

(6a - 2) + (5a - 13) + (5a - 13) = 180°

16 a - 28= 180               ⇒ Add 28 to both sides

16 a = 180 + 28 = 208  ⇒ Divide both sides by 16

a = 208/16 = 13

5 0
3 years ago
Brainly has one brain, but why do they have more than one around their page?
Step2247 [10]

Didn't get the question quite well...

7 0
2 years ago
Read 2 more answers
The Director of Admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall sem
VMariaS [17]

Answer:

Variance = 24900

Standard Deviation = 157.7973        

Step-by-step explanation:

We are given the following in the question:

Number of admissions:    1000     1200    1500

Admissions Probability:     0.6        0.3       0.1

Formula:

E(x) = \displaystyle\sum x_iP(x_i)\\E(x) = 1000(0.6) + 1200(0.3) + 1500(0.1)\\E(x) = 1110\\E(x^2) =  \displaystyle\sum x_i^2P(x_i)\\E(x^2) = (1000)^2(0.6) + (1200)^2(0.3) + (1500)^2(0.1)\\E(x^2) = 1257000

Variance =

\sigma^2 = E(x^2) - (E(x))^2\\\sigma^2 = 1257000 -(1110)^2\\\sigma^2 =24900

Thus, the variance is 24900.

Standard Deviation =

\sigma = \sqrt{\sigma^2} = \sqrt{24900} = 157.7973

Thus, the standard deviation is 157.7973

7 0
3 years ago
What is the third stage of the rational model of decision making?
poizon [28]
Evaluate alternatives and select a solution. Hope this helps
6 0
2 years ago
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