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Soloha48 [4]
3 years ago
9

Solve for h in the mathematical formula V=pi r^(2)h

Mathematics
1 answer:
Alika [10]3 years ago
5 0

Answer:

\frac{V}{\pi r^{2} } = h

Step-by-step explanation:

Lets try and get everything we can away from h.

V = \pir^{2} h

Divide \pir^{2} from both sides of the equation.

Now we end up with:

\frac{V}{\pi r^{2} } = h

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Each morning, Hungry Harry eats some eggs. On any given morning, the number of eggs he eats is equally likely to be 1, 2, 3, 4,
mamaluj [8]

Answer:

Mean = 35

Variance = 291.7

Step-by-step explanation:

Data provided in the question:

X : 1, 2, 3, 4, 5, 6

All the data are independent

Thus,

The mean for this case will be given as:

Mean, E[X] = \frac{\textup{Sum of all the observations}}{\textup{Total number of observations}}

or

 E[X] = \frac{\textup{1+2+3+4+5+6}}{\textup{6}}

or

E[X] = 3.5

For 10 days, Mean = 3.5 × 10 = 35

And,

variance = E[X²] - ( E[X] )²

Now, for this case of independent value,

E[X²] = \frac{1^2+2^2+3^2+4^2+5^2+6^2}{\textup{6}}

or

E[X²] = \frac{1+4+9+16+25+36}{\textup{6}}

or

E[X²] = \frac{91}{\textup{6}}

or

E[X²] = 15.167

Therefore,

variance = E[X²] - ( E[X] )²

or

variance = 15.167 - 3.5²

or

Variance = 2.917

For 10 days = Variance × Days²

= 2.917 × 10²

= 291.7

3 0
3 years ago
Help this is due today
kherson [118]

Answer:

9) 844cm^2 10) 15,000in^3 11) 240cm^3 12) 480in^3

Step-by-step explanation:

9) A= 200 A=160 A=192 A=192 A=100

200+160= 360+192= 552+192= 744+100=844cm^2

for #9 i divided the figure into 5 parts and got the area of each one and added all of the totally areas to get the final answer

10) A= 20*30= 600*25= 15,000in^3

11) A= 2*5= 10*4= 40cm^2 (cheese) A= 40*6= 240cm^3

12) 12*10= 120*4= 480in^3

4 0
3 years ago
400.04 in expanded form
vampirchik [111]
The answer is 400 + .04. Or if you want a big answer, then it would be. 400 + 00 + 0 + .0 + .04.
3 0
3 years ago
A rectangle's perimeter and area have the same value. The width of the rectangle is 6 units. What is the length of the rectangle
Sliva [168]

Answer:

The length ot rectangle is 3 units.

Step-by-step explanation:

The formula for perimeter is P = 2l + 2w and the area is A = l×w. Assuming that the perimeter and area have the same values so you have to compare it :

perimeter = 2l + 2w

area= l \times w

perimeter = area

2l + 2w = lw

let \: w = 6

2l + 2(6) = 6l

2l + 12 = 6l

12 = 6l - 2l

4l = 12

l  = 3 \: units

8 0
3 years ago
5 + 8 on a tape diagram pls
FrozenT [24]

Answer:

5 + 8 = 13.

Step-by-step explanation:

hope this helps.

3 0
2 years ago
Read 2 more answers
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