PLEASE HELP WILL MAKE BRAINLIEST!
The following cone has a height of 4 inches and a volume of 12π. What is the radius of the cone? Enter your answer as the correct value, rounded to the nearest tenth if necessary.​

Answers

Answer 1

Answer:

R= 1.69

Step-by-step explanation:

Answer 2

For this, you just have to remember that the volume of a cone is 1/3hπr² (1/3 times pi times the radius squared). Our volume is 12π, so we plug in 12π into our formula, as well as our height of 4 inches, to solve for the radius, like so:

12π=(1/3)(4)πr²

Now we just do the rest of the math.

12π=(1/3)(4)πr²

12=(1/3)(4)r² (divide both sides by π)

3=1/3r² (divide both sides by 4)

9=r² (divide both sides by 1/3)

3=r (take the square root of both sides).

Therefore, the radius of the cone is 3.


Related Questions

Hector's father is 4 times as old as Hector and twice as old as Carlos . If Carlos is 24 years old , how many years old is Hector ?

Answers

Take 24 times 2 that’s gives you 48. Divide 48 by 4 and that gives you 12. And that’s the answer

Please help me I will give brainliest to the right person

Answers

Answer:

P(even,blue) = 3/6 x 1/9 which is 1/18

Step-by-step explanation:

10-What is the length of arc AB in circle Q?

Answers

Answer:  57.2

Step-by-step explanation:

Answer: C

Step-by-step explanation:

The length of the arc AB will be 5/18 of the circumference of the circle, which equals 2πr

Choose the statistical question. * please help now
How much do the dogs in the pound weigh?
How tall are you?
What is your favorite color?

Answers

Answer:

*me sweating while answering this*

Step-by-step explanation:

i think my dogs weigh about 50 pounds each

i am 5'6 feet tall

my favorite color is blue

Answer: It would be  A. How much do the dogs in the pound weigh?

Step-by-step explanation: because it is not a statistical question if it has an exact answer

What is 4x/7 - 2/3

Fraction help

Answers

Answer:

2/21 * (6x-7)

Step-by-step explanation:

1/21 * (3*4x - 14)

1/21* (12x-14)

1/21* 2(6x-7)

2*1/21 * (6x-7)

2/21* (6x-7)

What is the perimeter,in centimeters of triangle QRS?

Answers

Answer: 60

Step-by-step explanation:

You have to use Pythagorean Theorem because the other side is not listed of the triangle

Pythagorean Theorem: a² + b² = c²

a²  + 20²  = 25²

a²  + 400 = 625

625-400 = a²

a²  = 225

Find the square root of 225 to find the missing length

[tex]\sqrt{225}[/tex] = 15 (this is the missing length for QS

To find the perimeter, add all the sides...

15 + 20 +25 = 60

Find the area!!!!!!! thanks

Answers

I’m pretty sure it’s joe, but rip Candice

Need help fast will give brainliest! Please help me solves this equation!

Answers

Answer:

x = 15, y = 75

Step-by-step explanation:

hope it helps

how can you isolate the variable in the inequality 3b< -99

Answers

Answer:

b = -33, -34, -35, -36, -37, etc...

Step-by-step explanation:

inequality:

-3 -6 (4x+6) > - 111

solve

Answers

Answer:

x < 3

Step-by-step explanation:

-3 - 6(4x+6) > - 111

-3 - 24x - 36 > -111

-24x - 39 > -111

-24x > -72

dividing by a negative flips the sign

x < 3

The function f is given by f(x)= (x-2) (x+4) . Without using graphing technology, answer the following questions. (graph included)

1) What are the x-intercepts of the graph representing f?

2) What are the x- and y-coordinates of the vertex of the graph?

please help!!

Answers

Answer:

x-intercepts = -4 and 2

vertex (-1, -9)

Step-by-step explanation:

To find the x-intercepts ie roots

set the equation to 0

(x - 2) (x + 4) = 0

From the zero product rule

x - 2 = 0

x = 2

x + 4 = 0

x = -4

x-intercepts = -4 and 2

--------------------------

The x coordinate of the vertex is the midpoint of the roots

x = (-4 + 2)/2

x = -1

Plug x = -1 into the function

y = (-1 - 2)(-1 + 4)

y = -3 * 3

y = -9

vertex (-1, -9)

Someone help pls this thing hurts

Answers

Answer:

S<60 and s=60

Step-by-step explanation:

It has to be less than or equal to the speed limit

what's the absolute value of 4.5 ?​

Answers

Answer:

the absolute value or 4.5 is 4.5

Step-by-step explanation:

Answer:

4.5

Step-by-step explanation:

absolute value: the distance away from zero, it will always be positive because distance can't be negative.

thus, the absolute value of 4.5 = the distance of 4.5 to zero, which is 4.5

|4.5| = 4.5

PLEASE HELP ME IM BEGGING


A drawer contains 3 forks, 4 spoons and 3 knives. One example of
independent events using this drawer is randomly selecting a spoon,
(not replacing it or replacing it )
and then randomly selecting another spoon.

The probability of independent events described is
(8% , 12% , 16%, 20% ?)

Answers

I think it’s going to be 16%

Need help with school please

Answers

Answer:

11. <7.

12. <1.

13. <6.

Step-by-step explanation:

Same place

Outside and opposite

Inside and opposite

Expression 9 x, if x=5

Answers

Answer:

45

Step-by-step explanation:

9x

Replace x with 5

9*5

45

Answer:

45

Step-by-step explanation:

9x5 equals 45

Charles says that the number line shows all the values that make the inequality
n2-1 true. Do you agree with Charles? Explain.
4 5
-3 -2 -1
0 1 2 3

Answers

Answer:

no

Step-by-step explanation:

n ≥ - 1

The inequality states that n is greater than or equal to - 1

To show the equal part on the number line the point at - 1 must be a solid circle, not an open one

No, the given number line does not represent the number line shown by Charles.

What is a number line?

A number line is defined as the number marked on the line calibrated into an equal number of units. For example -1, 0, 1, and so on.

Here,

The inequality is given by Charles,
n ≥ -1

But in the given number line, the value of n is not defined as 1, but Charles inequality consists of the value of n = 1, so the given number line does not represent the number line shown by Charles.

Thus, the given number line does not represent the number line shown by Charles.

Learn more about number line here:

brainly.com/question/17683084

#SPJ2

Help QUICK PLS
I need answers quick
will mark as brainliest.​

Answers

Answer:

integer

Step-by-step explanation:

the slope looks like it's 4/1 when simplified it's 4. (integer)

Answer:

The slope is the integer 4

Step-by-step explanation:

take the points (-2, -9) (-1, -5) and put them in the formula  y2 - y1 over x2 - x1 and you get m = 4

3) Mary deposits £10000 in an account which pays 5.6% compound
interest per year.
How much will Mary have in her account after 5 years?

Answers

Answer:

FV= £13,131.66

Step-by-step explanation:

Giving the following information:

Initial Investment (PV)= £10,000

Interest rate (i)= 5.6%

Number of periods (n)= 5 years

To calculate the future value (FV), we need to use the following formula:

FV= PV*(1 + i)^n

FV= 10,000*(1.056^5)

FV= £13,131.66

PLEASE HELP VERY EASY!! EXPLINATION NEEDED!!!!! :' )

Answers

D cause it’s 8x2 then 5x2 which is 16+10 which 26 and it’s 40 cause 8x5 is 40

D cause it’s 8x2 then 5x2 which is 16+10 which 26 and it’s 40 cause 8x5 is 40

write the smallest possible odd number with all the following dight 5,2,3,7.​

Answers

Answer:

2357

Step-by-step explanation:

Please I need help ASAP! I don't know any of the answers. For the second question, I accidentally clicked on it.

Answers

PART A :
A,B,C,D
Because if the spinner was spinning on time it would have either landed on any of the given parts a,b,c,d once
PART B:
A and B
They are equally likely to occur because both of them have a portion of 90 degrees.
Hopefully my answer helped :)

Calculate the area of this parallelogram.
can someone solve this please!!​

Answers

300 square meters that is what I got but if it’s wrong then I’m sorry :(

Answer:

90 meters

Step-by-step explanation:

10*9=90

What is 5.704 expressed to two decimal places?

Answers

I’m pretty positive it is just 5.70 you just take out the 4.

need help on this(proving triangles congruent)ASAP

Answers

Answer:

angle TRU = angle TRS (RT bisects angle R)

RT = RT (Common side)

RU = RS (given)

so ∆ RUT ≅ ∆ RST (BY SAS)

The volume of a cube is 64 cubic meters. What is the surface area of the cube, in square meters?​

Answers

Answer:

96 square meters

Step-by-step explanation:

Figuring out the side length of a cube from its volume is fairly simple. Using the cubic root we are able to deduce that the side length is 4 meters.

We then find the area of one face which is 4 * 4 = 16 square meters.

We must then multiply this by the amount of sides on our cube which is 6.

16 * 6 = 96 square meters.

what's the answer ?


[tex] \sqrt{245 + 44} [/tex]

Answers

[tex]\huge\mathfrak\pink{Answer...}[/tex]

+,- 17

[tex]\huge\mathfrak\purple{hope \: it \: helps..}[/tex]

A rectangular school flag has a base of 25 inches and a height of 32 inches. The flag is divided into 2 congruent triangles formed by 2 sides and a diagonal of the flag. What is the area of each triangle?​

Answers

Answer:

both of the triangels  have an area of 400

Please help me choose the right answer

Answers

package 1 because 100cm is in 1m and there is 2 in package 2

Miguel walked Ask Your Teacher mile to the library and then Ask Your Teacher mile to the post office. How can he write Ask Your Teacher and Ask Your Teacher as a pair of fractions with a common denominator?

Answers

Answer:

[tex](\frac{5}{10},\frac{6}{10})[/tex]

Step-by-step explanation:

Given

[tex]Library \to \frac{1}{2}[/tex]

[tex]Post\ Office \to \frac{3}{5}[/tex]

See comment for complete question

Required

Write as a common denominator

Take the denominator of both fractions

[tex]2 \to[/tex]

[tex]5 \to[/tex]

Calculate the LCM

[tex]2 \to 1 * 2[/tex]

[tex]5 \to 1 * 5[/tex]

[tex]LCM = 1 * 2 * 5[/tex]

[tex]LCM = 10[/tex]

Multiply the numerator and the denominator of both fractions by 10

Simplify each to ensure a denominator of 10

[tex]\frac{1}{2} \to \frac{1}{2} * \frac{10}{10} \to \frac{1}{1} * \frac{5}{10} \to \frac{5}{10}[/tex]

[tex]\frac{3}{5} \to \frac{3}{5} * \frac{10}{10} \to \frac{3}{1} * \frac{2}{10} \to \frac{6}{10}[/tex]

Hence, the pair is:

[tex](\frac{5}{10},\frac{6}{10})[/tex]

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