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Ksju [112]
3 years ago
7

A cone with diameter 18 millimeters and height 11 millimeters.

Mathematics
2 answers:
anygoal [31]3 years ago
8 0

Answer:

The radius is 9 mm.

The base area is calculated using the radius.

The volume is one-third the volume of a cylinder with the same height and diameter.

The volume of the cone is 297 pi millimeters cubed.

Step-by-step explanation:

those are all true just took it

bogdanovich [222]3 years ago
4 0

Hello! :)

<h2>Answer:</h2>

All of the following statements about the cone are true.

2.) The radius is 9 mm.

3.) The base area is calculated using the radius.

4.) The volume is one-third the volume of a cylinder with the same height and diameter.

5.) The volume of the cone is 297 pi millimeters cubed.

<h2>Explanation:</h2>

The radius is always half the diameter, which is why the first choice is false, and the second choice is true.

When calculating the base, you need to use the radius. This means the third choice is true. The formula for the base area is πr^{2}

Volume of the cone:

V = \frac{1}{3}πr^{2}h

  = \frac{1}{3} × π × 9^{2} × 11

  = 933.052233 mm²

Volume of a cylinder with the same height and diameter:

V = πr^{2}h

  = π × 81 × 11

  = 891π

  = 2799.15669 mm²

2799.15669 ÷ 3 = 933.052233

Option four is true.

297 × π = 933.05223 This is true.

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Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.91 with a standard deviation of $0.13. U
zhenek [66]

Answer:

The minimum percentage of stores that sell a gallon of milk for between $3.65 and $4.17 is of 75%.

Step-by-step explanation:

Chebyshev Theorem

The Chebyshev Theorem can also be applied to non-normal distribution. It states that:

At least 75% of the measures are within 2 standard deviations of the mean.

At least 89% of the measures are within 3 standard deviations of the mean.

An in general terms, the percentage of measures within k standard deviations of the mean is given by 100(1 - \frac{1}{k^{2}}).

In this question:

We have a mean of $3.91 and a standard deviation of $0.13.

Using Chebyshev's Theorem, what is the minimum percentage of stores that sell a gallon of milk for between $3.65 and $4.17?

3.65 = 3.91 - 2*0.13

4.17 = 3.91 + 2*0.13

Within 2 standard deviations of the mean, so, by the Chebyshev's Theorem, the minimum percentage of stores that sell a gallon of milk for between $3.65 and $4.17 is of 75%.

5 0
3 years ago
If your total annual income was $30,694.95, then how much did you earn per month, on average?​
tatuchka [14]

In average, your monthly income is $2,557.91

<h3>How much did you earn per month, on average?​</h3>

We know that in the year you win a total of $30,694.95, and we want to know how much you win per month.

We know that in a year there are 12 months. To get how much you win, in average, in one of these months, you need to take the quotient between the total amount that you earn in one year, and the number of months in a year.

It gives:

N = $30,694.95/12 = $2,557.91

In average, your monthly income is $2,557.91

If you want to learn more about quotients:

brainly.com/question/629998

#SPJ1

8 0
2 years ago
The dimensions of a rectangular prism are 1 mm, 6 mm, and 11 mm. Find the volume and the surface area.
hram777 [196]
The volume is the product of the side lengths which is 1*6*11= 66 mm^3. The surface area is twice the sum of all the possible products of the side lengths, or 2lw+2wh+2hl which is 2(6*11+6*1+11*1) = 166 mm^2 if my mental math is decent.
8 0
3 years ago
What is the maximum height of the basketball when the player passes the ball to someone? Initially, the ball moves at a speed of
ZanzabumX [31]

Answer with explanation:

Since the motion of the ball is projectile motion we shall use the equations for projectile motion.

The maximum height achieved by the projectile is given by

h_{max}=\frac{v_{o}^{2}sin^{2}(\theta )}{2g}

Applying the values we get

h_{max}=\frac{12^{2}\times sin^{2}(45)}{2\times 9.81}\\\\h_{max}=3.669m

The range of the projectile is given by

R=\frac{v_{o}^{2}sin(2\theta )}{2g}

Applying values we get

R=\frac{12^{2}\times sin(2\times 45 )}{2\times 9.81}\\\\R=7.339m

thus the maximum horizontal distance reached by the ball equals 7.339 meters after which it bounces thus a person standing 8 meters away will not be able to catch it.

(The height of the players is not taken into account since no info is given about their height.)

3 0
4 years ago
-136=-8(7-2x) what is the value of x
serg [7]

Answer:

x=-5

Step-by-step explanation:

hope i helped

5 0
3 years ago
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