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2 years ago

Find the volume of the sphere 18 m

Mathematics

1 answer:

sattari [20]2 years ago

5 0

find the volume of the sister e27

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ken purchased a plot of land shaped like the figure shown. how can he find the length of the side labeled x if he knows the area

OLga [1]

What figure? anyways if it is a square you simply square root the area. EX: A=81 S=9
it it is a rectangle, you must know the other side before dividing
and so on
sorry I couldn't see the figure

3 0

3 years ago

67min; 1.1h. Which one is more precise

Brums [2.3K]

Answer:

67 mins= 1 hour and 7 minutes, 1.1 hours is 66 mins so 67 mins

Step-by-step explanation:

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2 years ago

Hi what is the answer for this

svp [43]

a = a + d(n-1)

n 1

this is the formula for the arithmetic sequence.

the first sequence is arithmetic

an=1+7(n-1)

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an=12+4(n-1)

5 0

3 years ago

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Can someone please help me divide polynomials?

Nina [5.8K]

Answer:

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3 years ago

Below are the jersey numbers of 11 players randomly selected from a football team. Find the range, variance, and standard deviat

Aleksandr [31]

Answer:

Range =94

σ² = 1,141.564

Standard Deviation = 33.78703

Step-by-step explanation:

First off to find the range, we find the highest value and subtract it to the lowest value. In this situation the values are:

Highest = 99

Lowest = 5

Range = 99 - 5

Range = 94

Now to find the variance of the sample data set, we first need to find for the mean of the data.

The mean of the data with be the sum of all the numbers in the data set divided by the number of samples.

Mean = $\dfrac{5+14+26+50+60+72+79+88+93+94+99}{11}$

Mean = $\dfrac{680}{11}$

Mean = $61.81818$

Now to find the variance we simply use the formula:

σ² $=\dfrac{(x_{i}-Mean)^{2} }{n-1}$

σ² $=\dfrac{(5-61.818)^{2}+(14-61.818)^{2}+(26-61.818)^{2}+...+(99-61.818)^{2} }{11-1}$

σ² $=\dfrac{11,415.64}{10}$

σ² $=1,141.564$

Now to find the standard deviation, we take the variance and get the square root of it.

Standard Deviation $=\sqrt{1,141.564}$

Standard Deviation $=33.78703$

6 0

3 years ago

Read 2 more answers