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sertanlavr [38]
3 years ago
6

How to find mean, variance and standard deviation of each data set of 4,6,7,7,5,1,2,3

Mathematics
1 answer:
Sholpan [36]3 years ago
8 0

Answer:

search it up

Step-by-step explanation:

add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

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What is the volume of this solid? Recall the formula V = Bh.
Viktor [21]

Answer:

280

Step-by-step explanation:

V=Bh

V=1/2(7x10)8      *it is a triangluar pyrmid so the base is a triangle*

V=1/2x70x8

V=35x8

V=280

Answer:280

5 0
3 years ago
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PLEASE ANSWER
Zepler [3.9K]

Answer:

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8 0
3 years ago
Find the distance between the pair of points V(-2,5) M(0,-4)
Basile [38]
The distance between two points A(x₁,y₁) and B(x₂,y₂) will be:
dist (A,B)=√[(x₁-x₂)²+(y₁-y₂)²]
In this case:
V(-2,5)
M(0,-4)
dist (V, M)=√[(-2-0)²+(5+4)²]=√(4+36)=√40

Answer: the distance between this points would be √40 u
u=units of  distance.
7 0
3 years ago
Rachel is collecting donations for the local animal shelter. So far she has collected $245, which is 70% of what she hopes to co
Nata [24]

Answer:

The money Rachael plan to collect for the shelter is <u>$350</u>.

Step-by-step explanation:

Given:

Rachel is collecting donations for the local animal shelter.

So far she has collected $245, which is 70% of what she hopes to collect.

Now, to find the money Rachael plan to collect for the shelter.

Let the total amount Rachael plan to collect be x.

Amount she collected = $245.

Percentage of amount she collected = 70%.

Now, to get the amount Rachael plan to collect we put an equation:

70\%\ of\ x=\$245.

⇒ \frac{70}{100} \times x=245

⇒ 0.70\times x=245

⇒ 0.70x=245

<em>Dividing both sides by 0.70 we get:</em>

⇒ x=\$350.

Therefore, the money Rachael plan to collect for the shelter is $350.

4 0
4 years ago
Y = x-2<br> y = 3x+4. Solutions of system of equation
Aliun [14]

Answer:

x=-3 and y=-5

Step-by-step explanation:

hope this helps!

5 0
3 years ago
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