find the volume of a cone with diameter of 12 m and a height of 7 m

Answers

Answer 1

Answer:

264 m³ (3 s.f.)

Step-by-step explanation:

[tex]\boxed{volume \: of \: cone = \frac{1}{3} \pi {r}^{2} h}[/tex]

Radius

= diameter ÷2

= 12 ÷2

= 6 m

Volume of the cone

[tex] = \frac{1}{3} (\pi)( {6}^{2} )(7)[/tex]

= 264 m³ (3 s.f.)


Related Questions

Could someone help me, please? I’ll appreciate it.

Answers

Answer:

Step-by-step explanation:

5x/20 =45/36

5x = 20(45/36)

5x = 25

x = 5

HELP!!! this is graded and no links pls!!!!!!!!

Answers

Answer:

C

Step-by-step explanation:

the answer :
c
self explanation

NEED HELP ASAP PLEASE WILL GIVE BRAINLYEST

Answers

Answer:

a) 1/2

b) 6/100

c)1/4

I'll explain how I got these answers later.

Answer:

Step-by-step explanation:

Total highlighters = 10

A : favourable cases / total cases  = 5/10 = 1/2

B : favourable cases/ total cases * favourable cases/ new total cases

2/10 * 3/9 = 1/5 * 1/3 = 1/15

C : favourable cases/ total cases * favourable cases/ new total cases

5/10 * 4/9 = 1/2 * 4/9 = 4/18

Which equation models this situation? 26 more than a number is 37.​

Answers

Answer:

x+26=37

Step-by-step explanation:

Find lawn area in m^2

Answers

Answer:

area of lawn = 15.708 square meters

Step-by-step explanation:

pi 3 squared (area of lawn and flower bed) - pi 2 squared (area of flower bed)= area of lawn

Sues dad fixed her play table each of the 4 legs took 2 nails how many nails did he use

Answers

Answer:

8 nails

Step-by-step explanation:

because 4x2=8

PLEASE HELP!!! 20 pts and BRAINLY if you show steps

Amanda graphed line m and line n on a coordinate plane, as shown below.

Which of the following statements is true?
A. The slope of line m is greater then the slope of line n
B. The slope of line n is greater than the slope of line m
C. The x-intercept of line m is greater then the x -intercept of line n
D. The y-intercept of line n is greater then the y -intercept of line m.

Answers

Answer:

B

Step-by-step explanation:

To find the slope of the line, we do y2-y1/x2-x1. In this case, for line n, I used the points (0,0) and (1,2). This means the slope will be 2-0/1-0. Simplify this to get 2/1 or 2. Therefore the slope for line n is 2.

To find the slope of the line, we do y2-y1/x2-x1. In this case, for line m, I used the points (0,7) and (1,8). This means the slope will be 8-7/1-0. This will make the slope 1/1 or 1. Therefore, the slope for m is 1.

Therefore, the slope for line n is greater than the slope of line m.

If this helps please mark as brainliest

Mayra bought a pair of sneakers. They originally cost $75 but were on sale for 15% how much mony did she save

Answers

Answer: $11.25

Step-by-step explanation:

Since the sneakers were on sale for 15% less, the amount she bought them will be:

= (100% - 15%) × $75

= 85% × $75

= 0.85 × $75

= $63.75

Therefore, the amount she saved will then be:

= $75 - $63.75

= $11.25

She saved $11.25

How many 2/3 of a foot are in 18,491 feet? pls help!!!!!!!!

Answers

Answer:

i round my answer so its 4 but if it wrong its 3

Step-by-step explanation:

(Only need 17) plz help will mark brainliest plz show work

Answers

Answer:

look at the picture i have sent

find the slope between (-3,2) and (-7,-16)

Answers

Answer: The slope between these two is 3.5

Answer:

Solpe=4.5

Step-by-step explanation:

Sorry if I’m wrong, but I think I got it.

So the formula for slope is    y2-y1/x2-x1  

In (-3,-2) )-7,-16),  -3 is x1, -2 is y1, -7 is x2, and -16 is y2.

Now, you need to fill in the formula with these numbers.

-16-2/-7- - 3

-16-2 is -18

-7- - 3 is -4 (two negatives make a positive)

This makes -18/-4. Divide this to get 4.5.

Let me know if you have any questions!! :)

                                       

                                 

there is 1/2 gallon of fruit punch that will be shared equally among 5 friends. What fraction of a gallon of fruit punch will each friend get?

Answers

Answer:

1/10 or 0.1

Step-by-step explanation:

In a pack of pretzel sticks, one-quarter of the total number of pretzel sticks is 14.
how many are in the bag

Answers

Answer:

6 lol have  a good day

Answer:

I got 56.

Step-by-step explanation:

Well if 1/4 of the bag is 14, then multiply it by 4. Sorry if this is wrong!

A store sells 1 3/4 pound package of roast beef for $12. what is the unit price?

Answers

Answer:

Unit price of roast beef = $6.86

Step-by-step explanation:

Given:

Cost of [tex]1\frac{3}{4}[/tex] pound package of roast beef = $12

Find:

Unit price of roast beef

Computation:

Unit price of roast beef  = Cost of 1 pound package of roast beef

[tex]1\frac{3}{4}[/tex] pound package of roast beef = 7 / 4 = 1.75 pound package of roast beef

Cost of 1 pound package of roast beef = Total cost / Total mass

Cost of 1 pound package of roast beef = 12 / 1.75

Cost of 1 pound package of roast beef = 6.857

Unit price of roast beef = $6.86

solve the equation 9p+14=2p+35 show your work

Answers

Answer:

p=3

Step-by-step explanation:

9p+14=2p+35

Subtract 2p from each side

9p-2p+14=2p-2p+35

7p +14 = 35

Subtract 14 from each side

7p +14-14 = 35-14

7p = 21

Divide by 7

7p/7= 21/7

p=3

[tex]p = 3[/tex] ✅

Step-by-step explanation:

[tex]9p +14 = 2 p + 35 \\ ⇢ 9p - 2p = 35 - 14 \\ ⇢ 7p = 21 \\ ⇢ p = \frac{21}{7} \\ ⇢ p = 3[/tex]

To verify:-

[tex]9p + 14 = 2p + 35 \\ ⇢ 9 \times 3 + 14 = 2 \times 3 + 35 \\ ⇢ 27 + 14 = 6 + 35 \\ ⇢ 41 = 41 \\ ⇢ L.H.S.=R. H. S[/tex]

Hence verified.

[tex]\bold{ \green{ \star{ \orange{Hope\:it\:helps.}}}}⋆[/tex]

Write the following number in scientific notation 0.00000407​

Answers

you need to move the decimal so it will be 4.07

Answer:

4.07

Step-by-step explanation:

I am genius

List a pair of corresponding angles

Answers

Answer:

2 and 6, 1 and 5, 3 and 7, 4 and 8

Step-by-step explanation:

Any one of those would work

Answer: <1 and <5

Step-by-step explanation:

help please this makes no sense

Answers

Labeling your coordinate points makes it really easy to solve!

Sin0=20/29 find tan 0

Answers

Answer:

Step-by-step explanation:

here opposite =20, hypotenuse=29

to find adjacent use formula

a^2+b^2=c^2

20^2+b^2=29^2

400+b^2=841

b^2=841-400

b=[tex]\sqrt{441\\}[/tex]

b=21

tan theta=opposite/adjacent

=20/21

therefore tan theta =20/21

Answer:

D. tanθ = 20/21

Step-by-step explanation:

Remember that sinθ = opposite/hypotenuse. In this case, since sinθ = 20/29, we are going to say that opposite = 20 and hypotenuse = 29.

To solve for the adjacent side, use the Pythagorean theorem, a^2 + b^2 = c^2.

When you plug in your values and solve for the other leg, you'll get 21.

Now that we know that the adjacent side/other leg is equal to 21, we can find tanθ, since it's equal to opposite/adjacent.

Opposite = 20

Adjacent = 21

tanθ = 20/21

SOMEONE ANSWER QUICK!!

Steven bought 4 pizzas to share with his family. Together, they ate 2 7/12 pizzas on Friday and another 2/3 of a pizza on Saturday. How much pizza is left??

Answers

Answer:

3/4 pizza is left. If you want an explanation, ask me ;>

Answer:
3/4

Explanation:
You have 4 and you eat 2 7/12. Leaving you 1 5/12. Then you eat 8/12 more leaving you 9/12 which simplifies to 3/4

Sally can run 5 km in 25 minutes. At the same rat of speed, how far can she run in 2 hours and five minutes?

Answers

Answer:

25 km

Step-by-step explanation:

[tex]\frac{5}{25} :\frac{y}{125}[/tex]

y · 25 = 5 · 125

25y = 625

25y ÷ 25 = 625 ÷ 25

y = 25

If both figures have the same perimeter what is the value of x?​

Answers

You can create an equation since both have the same value of perimeter.

Little help, please thank you

Answers

Answer:

Finding volume:

2^2 = 4

4 x 3.14 = 12.56

12.56  x 8(height) = 100.48

100.48 divided by 3 ( x 1/3 ) =  around 33.49 in3 is your answer.

If the options dont give you 33.49 just go by 33.51 cubic meters.

which answer is it..

Answers

The answer is D

Hope this helped

In 1999 your Aunt invested $5,000 in a Dow Jones index fund and $5,000 in a S&P 500 index fund. Twenty years later, she is looking to see how much these investments are worth. From 1999 to 2019 the S&P 500 averaged an increase of 5.90% and the Dow Jones averaged 7.03%. What was the total value of these investments in 2019?

Answers

Answer:

10646.5 Total all

Increase Total 646.5

Jim was thinking of a number. Jim doubles it, then adds 19 to get an answer of 70.1. What was the original number?

Answers

Answer:

25.55

Step-by-step explanation:

Let us take the number he thinked of be x .

On doubling it :-

→ N = 2x

On adding 19 :-

→ N = 2x + 19

According to Question :-

→ 2x + 19 = 70.1

→ 2x = 70.1 - 19

→ 2x = 51.1

→ x = 51.1/2

x = 25.55

Hence the required answer is 25.55

Henry wants to buy a coat that has an original price of $125. During an upcoming sale, the price of the coat will be reduced by 4% each week. Henry plans to wait until the price of the costess than 100 and
uses this inequality to determine w, the number of weeks that he needs to wait to buy the coat
125(0.96)" < 100
How many weeks must Henry wait for the price of the coat to first fall below $100?
AO6
BO5
c.03
DO7

Answers

ANSWER: Here is the link where I answered this question

https://brainly.com/question/23634590?answering=true&answeringSource=feedPublic%2FhomePage%2F1

What is the correct factored for of x^2-9/x-3 to show a common factor can be divided out?

Answers

Answer:

should be x^2-9/x-3

I need the answer immediately!!!!!!

Answers

Y=-2/3-5 That’s the answer change of y is down 2 change in x is 3 to the right . And the y intercept is -5

The perimeter of a certain square is 4 yards. Find the area of the square in square feet.

Please someone help

Answers

Step-by-step explanation:

Write what you know

A square has 4 sides

the perimeter is the sum of the length of all 4 sides

so 4yards / 4 sides = 1 yard per side

we also know a square has all equal sides

that means our area formula will be 1 x 1

12 perimeter 16 area
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