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olga nikolaevna [1]
2 years ago
12

The formula for the volume of a cone is V = r²h, where r is the radius of the

Mathematics
1 answer:
pshichka [43]2 years ago
3 0

Answer:

<u>h = V/r²</u>

Step-by-step explanation:

The formula is :

  • V = r²h (actually 1/3πr²h in real life)

Solving :

  • Dividing both sides by r²
  • V/r² = r²h/r²
  • <u>h = V/r²</u>
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Ken watches a marching band. He sees 2 rows of flute players. Six people are in each row. He sees 8 trombone players. How many f
sukhopar [10]
Twelve flute players.

Eight trombone players.

20 total of flute and trombone players.
6 0
3 years ago
What is the slope intercept for that has the point (2,2) and is parallel to y=x+4?
gulaghasi [49]
The new line will have the same slope as the old one.
y = x + 4
y = x + b is the new line
We solve for b by using (2,2)
When x = 2
y = 2

2 = 2 + b
b = 0
Therefore the new line is
y = x
8 0
3 years ago
An equipment rental company charges a flat rate of $25,plusc$13 per day for insurance.kyle has $121.write an inequality to repre
Sergio [31]

13d+25≤121 represent the inequality to find the number of days.

Step-by-step explanation:

Flat rental fee of equipment = $25

No. of days = d

Per day fee = $13

Amount Kyle has = $121

According to given statement,

13d+25\leq 121

As the amount is $121, therefore, the total cost can either be a total of $121 or less.

13d+25≤121 represent the inequality to find the number of days.

Keywords: Linear inequalities

Learn more about linear inequalities about:

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3 0
3 years ago
What is the value of n in the simplified expression? (4k7)3= 4n ·(k7) 3= 64k21
Nesterboy [21]
Given:
(4k⁷)³ = 4n(k⁷)³

Note that (aˣ)ⁿ = aˣⁿ

Expand the left and right sides.
4³k²¹ = 4nk²¹
Divide each side by k²¹.
4³ = 4n
Divide each side by 4.
4² = n
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5 0
3 years ago
Read 2 more answers
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sasho [114]

Answer:

C. Test for Goodness-of-fit.

Step-by-step explanation:

C. Test for Goodness-of-fit would be most appropriate for the given situation.

A. Test Of  Homogeneity.

The value of q is large when the sample variances differ greatly and is zero when all variances are zero . Sample variances do not differ greatly in the given question.

B. Test for Independence.

The chi square  is used to test the hypothesis about the independence of two variables each of which is classified into number of attributes. They are not classified into attributes.

C. Test for Goodness-of-fit.

The chi square test is applicable when the cell probabilities depend upon unknown parameters provided that the unknown parameters are replaced with  their estimates and provided that one degree of freedom is deducted for each parameter estimated.

4 0
2 years ago
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