A cylindrical flower vase has a height of 8 inches and a diameter of 4 inches. What is the volume of the vase? Use 3.14 for π

I kept getting the answer 401.92 and says it’s not correct, am I doing something wrong? This is what I did
V= π 4^2(8)
V= π 16(8)
V= π 124
V= 3.14 • 124 = 401.92

Reply with reasoning.

Answers

Answer 1

Answer:

v=pie r² ×h

v=3.14×2²×8

v= 100.48

Step-by-step explanation:

you are using diameter as the radius that is why exactly you are not getting it right! divide the diameter by 2 to get radius and use it with the formula


Related Questions

You have 20 juice boxes. You want to distribute the juice boxes among 6 friends, giving the same number to each. How many juice boxes can you give to each friend?

Answers

Answer:

the answer is 3

Step-by-step explanation:

20 divided by 6 gives you 3.33333333 but if you estimate it gives you 3

If the total number of juice boxes is 20 and to distribute the juice boxes among 6 friends, The number of juice boxes can you give to each friend will be 3.

What is an arithmetic operation?

It is defined as the operation in which we do the addition of numbers, subtraction, multiplication, and division. It has basic four operators that are +, -, ×, and ÷.

You are given 20 juice cartons, which you distribute to each of your friends. You want to give the same number of juice boxes to each of your six friends.

We'll apply division by Splitting into equal halves or groups, the division may be used to decide how to distribute a dish of cookies evenly among a group.

The number of juice boxes can you give to each friend is,

=20/6

=3.333 ≈ 3

Thus, if the total number of juice boxes is 20 and to distribute the juice boxes among 6 friends, The number of juice boxes can you give to each friend will be 3.

Learn more about the arithmetic operation here:

brainly.com/question/20595275

#SPJ5

Which expression is equivalent to j (j) (j) (j) (j) (j) (j) (j) (j) (j) (j) (j) (j)?
13 Superscript j
13j
j Superscript 13
j + 13

Answers

Answer:

j^13

Step-by-step explanation:

j*j*j*j*j*j*j*j*j*j*j*j*j= j^13

Answer:

j^13

Step-by-step explanation:

Got it right on the quiz

The Family Fair Committee wants to show a good
family movie at their next event. They want to
select a movie that will appeal to families with
young children. Which of the following samples
would be the BEST representation of that
population?
A. Ask 100 people at local Senior Citizen Bingo
night
B. Ask 100 students who are in the local Band.
C. Ask 100 parents at the local playground.
D. Ask 100 Dads at the high school football
game.
O
OA

Answers

The best representation of the population is; C. Ask 100 parents at the local playground

What is the statistics Population?

In statistics, a population is the entire group that you want to draw conclusions about. Whereas, a sample is the specific group that you will collect data from.

Now, the family committee want to select a movie that will appeal to families with young children. Thus, it will be best for them to ask the parents of children as that will be a true representation of what the families would like to watch.

In conclusion, the only correct option is option C to ask 100 parents at the local playground

Read more about population at; https://brainly.com/question/7301139

HELPPP FOR BRIANLEST!!!!

Answers

Answer:

12/17

Step-by-step explanation:

total number of marbles that are purple (11) plus the total number of marbles that are not small (15) minus the number of marbles that are both purple and not small (2)

11 + 15 - 2 = 24

over the total number of marbles (34)

24/34 simplifies to 12/17

answer 13/17

Step-by-step explanation:

you add all the numbers up in the table, which would be 34 and then add up the ones that are big and the ones that are purple, which would be 26 so 26/34 then you simplify.

so 26/34=13/17

Use the given information to find (a) sin (s +t), (b) tan (s+t), and (c) the quadrant of s+t cos s=3/5 and cos t= 15/17, s and t quadrant I

Answers

Step-by-step explanation:

Let find the other trig function first, just sin s and sin c.

Use pythagoren identity to find sin a.

[tex]1 - \cos {}^{2} (s) = \sin {}^{2} (s) [/tex]

cos s=3/5 so cos^2(s)=9/25

[tex]1 - \frac{9}{25} = \sin {}^{2} (s) [/tex]

[tex] \frac{16}{25} = \sin {}^{2} (s) [/tex]

[tex] \frac{4}{5} = \sin(s) [/tex]

Since this is in the first quadrant, it is positve.

Let do the the same thing for sin t.

[tex]1 - \frac{169}{289} = \sin {}^{2} ( {}^{} t) [/tex]

[tex] \frac{120}{289} = \sin {}^{2} (t) [/tex]

[tex] \frac{2 \sqrt{30} }{17} = \sin(t) [/tex]

Now, we can compute

a.

[tex] \sin(s + t) = \sin(s) \cos(t) + \cos(s) \sin(t) [/tex]

[tex] \frac{4}{5} \times \frac{13}{17} + \frac{3}{5} \times ( \frac{2 \sqrt{30} }{17} )[/tex]

[tex] \frac{52}{85} + \frac{6 \sqrt{30} }{85} [/tex]

[tex] \sin(s + t) = \frac{52 + 6 \sqrt{30} }{85} [/tex]

b

[tex] \tan(s + t) = \frac{ \tan(s) + \tan(t) }{1 - \tan(s) \tan(t) } [/tex]

Tan s is 4/3

Tan t is 2 times root of 30/ 13

So we have

[tex] \frac{ \frac{4}{3} + \frac{2 \sqrt{30} }{13} }{1 - \frac{8 \sqrt{30} }{39} } [/tex]

[tex] \tan(s + t) = \frac{52 + 6 \sqrt{30} }{39 - 8 \sqrt{30} } [/tex]

c. They are all in 1st quadrant

help meh out and ill give u brainlyst

Answers

Answer:

A

Step-by-step explanation:

the a part is right circle that one

Answer:

Your answer is letter a. 3/8

Daniel and his family are going on a summer vacation for 6 weeks exactly. Daniel estimates that he will need 6 loaves of bread to feed him during this time. Calculate how much bread Daniel will actually need, and state whether you agree or disagree with Daniel's estimate based on this calculation.

Answers

Answer:

Daniel will need 9 loaves of bread (108 slices)

Step-by-step explanation:

Daniel eats 18 slices of bread a week.

2 slices per week day (2 x 5 = 10)

4 slices per weekend day (4 x 2 = 8)

10 + 8 = 18

he will be there 6 weeks

18 x 6 = 108.

There are 12 slices of bread per loaf.

108 divided by 12 = 9.

Therefore, he will need 9 loaves of bread.

A cylindrical chemical tank is 12 feet high and has a diameter of 45 feet. How many cubic feet of
liquid could the tank hold?

Answers

Answer:

6075π ft^3

Step-by-step explanation:

The formula for a cylinder is πr^2 * h

were:

h = height

and r = radius

and because the radius is always 1/2 of the diameter, the radius is 22.5.

So now we plug everything in:

π*22.5^2 * 12

= π*506.25 * 12 =

π * 6075 =

6075π

please don't forget to add the units.

Select the polynomial that is a perfect square trinomial. 9x2 9x 1 36b2 − 24b 8 16x2 24x 9 4a2 − 10a 25.

Answers

The polynomial that is a perfect square is 16x^2 + 24x +9. Option C shows the polynomial which is a perfect square.

What is square?

The square can be defined as a two-dimensional figure that has 4 equal sides.

Given are the equations of the areas of the polynomial.

Option C: [tex]16 x^2 + 24x +9[/tex]

We can write the above equation as,

[tex](4x)^2 + 2 \times 4x \times 3 + (3)^2[/tex]

[tex](a+b)^2 = a^2 + 2ab+b^2[/tex]

Here a = 4x  and b = 3, so

[tex]16x^2 + 24x+9 = (4x+3)^2[/tex]

The simplification of the area of a polynomial is (4x+3)^2 which represents the area of a square.

Hence the polynomial that is a perfect square is 16x^2 + 24x +9. Option C shows the polynomial which is a perfect square.

To know more about the area of the square, follow the link given below.

https://brainly.com/question/1658516.

56 ft =___yd___ft

please help me this is due tomorrow

Answers

Answer:

18 yd 2 ft

Step-by-step explanation:

56÷3=18 R2

18x3=54+2=56

Answer:

56 ft = 18 yd and 2 ft

Step-by-step explanation:

3 feet = 1 yard

Therefore, to find how many yards and feet are in 56 yards, divide 56 by 3:

⇒ 56 ÷ 3 = 18 remainder 2

Therefore,  

56 ft = 18 yd and 2 ft

using the spinner above, what is the probability that you will land on red or blue?

Answers

Answer: 3/4

Step-by-step explanation:

The probability that you will land on either red or blue is equal to the sum of the probability that you will land on red and the probability you will land on blue.

The probability you will land on red is 1/2 and the probability that you will land on red is 1/4 by the image.

Therefore, the probability you will land on either is 1/4 + 1/2 = 3/4

calculate 100% if 50% is 32

Answers

Answer:

  64

Step-by-step explanation:

100% is twice 50%, which is 32.

64 is twice 32, so is 100%

If startfraction 1 over 64 endfraction = 4 superscript 2 s minus 1 baseline times 16 superscript 2 s 2, what is the value of s?

Answers

The value of s after calculation will be s=-1

What will be the value of s?

It is given that

startfraction 1 over 64 endfraction = 4 superscript 2 s minus 1 baseline times 16 superscript 2 s 2

So the mathematical form will be

[tex]\dfrac{1}{64} =4^{2s-1} \times 16^{2s+2}[/tex]

[tex]4^{-3} =4^{2s-1} \times 16^{2s+2}[/tex]

[tex]4^{-3} =4^{2s-1} \times 4^{2(2s+2)[/tex]

[tex]4^{-3} =4^{2s-1+2(2s+2)[/tex]

[tex]4^{-3} =4^{2s-1+2(2s+2)[/tex]

[tex]-3=2s-1+2(2s+2)[/tex]

[tex]-3=2s-1+4s+4[/tex]

[tex]-3=6s+3[/tex]

[tex]-6=6s[/tex]

[tex]s=-1[/tex]

Thus the value of s after calculation will be s=-1

To know more about Simplification follow

https://brainly.com/question/723406

Answer:-1 is the answer

Step-by-step explanation:

60% of the students in a school of 800 students take a bus. how many students take the bus?

Answers

Answer:

480

Step-by-step explanation:

60% of 800

= [tex]\frac{60}{100}[/tex] × 800

= 0.6 × 800

= 480 ← number of students who take the bus

School X and School Y play eachother in a competiton.

School X has eight more points than School Y
School X has three times as many points than School Y

How many points does each school have?

Answers

Answer:

school x = 12

school y = 4

Step-by-step explanation:

School X has eight more points than School Y.

School X has three times as many points as School Y .

Writing these statements in terms of equation 

x = y + 8  

 x = 3 y

Substituting the value of x in y, we get

3 y = y + 8

Taking variable on left side of equation

3 y – y = 8 (subtract y from both sides)

2 y= 8 (divid 2 from both sides)

y = 4

then plug in y to the first equation

x= y + 8

x= 4 + 8

x= 12

Are these shapes similar? Choose all that apply. ( Multiple choice answer )

No, the corresponding sides are not proportional.

Yes, the corresponding sides are proportional.

No, the corresponding angles are not congruent.

Yes, the corresponding angles are all congruent.

Answers

Answer:

Yes, the corresponding sides are proportional.

Yes, the corresponding angles are all congruent.

Step-by-step explanation:

The sides are proportional with a ratio of 0.6. The angles are all right angles, making them congruent. Therefore, the two shapes are similar.

I hope this helps!

Plssss help if you know how to do it I can’t figure it out

Answers

Answer:

bbbbbbbbbbbb

...........

.........

the team won 3/8 of its games and lost the rest. what as the teams win:loss ratio

Answers

Answer:

3:8 mark brainli.st

Step-by-step explanation:

Answer is 3 over 5

Hope this help

Find the value of x. Round your answer to the nearest tenth.

Answers

Answer:20

Step-by-step explanation:

Can 9 40 41 make a triangle​

Answers

Answer:

yes

Step-by-step explanation:

Hi there!

We want to see if 9, 40, and 41 can be the sides of a triangle that can exist

We can use triangle inequalities to figure that out

For triangle inequalities, if the lengths of the sides are a, b, and c, then a+b>c, b+c>a, and c+a>b, then the lengths can make a triangle
Let's say that a=9, b=40, and c=41

Now substitute these values into the inequalities:

a+b>c

9+40>41

49>41

This is a true statement.

b+c>a

40+41>9

81>9

This is also a true statement.

41+9>40

50>40

This is a true statement as well.

Since all three of the inequalities ended up being true (all three NEED to be true in order for the given lengths to make a triangle), then we can confirm that 9, 40, and 41 can make a triangle

Hope this helps!

See more on this topic here: https://brainly.com/question/17357347

Please help me pick me choose me

Answers

Answer:

D

Step-by-step explanation:

Find the volume of a cone

Answers

What is the equation for the volume of a cone
Volume = ???
Right circular cone
Solve for volume
V=πr2h
3
r Radius

h Height

what does Squared mean

Answers

Answer:

If something is squared it is multiplied by itself

Step-by-step explanation:

If 4 was squared it would be like 4 times 4 which is 16

First plot 1 and -6 on the number line below.
Then answer the parts below.
-10
-5
0
5
10
Х
$
?
(a) Choose the correct statement.
O 1 is located to the left of -6.
O 1 is located to the right of -6.
(b) Use<, >, or to complete the statement.
1 ?
-6

Answers

1 is Located to the right -6. 1 is greater than -6

Name the quadrilateral whose diagonals are perpendicular bisectors of each other

Answers

Rhombus or square.

Hope it helps!

pls help me :) i really dont like math

Answers

Answer:

Yes!

Step-by-step explanation:

Yes, every diameter of a circle is also a chord because a chord of a circle is any line connecting 2 parts of the circle's circumference.

Given R
0
3
2
-9

and S.
-4
5
0
2
What is X if X + R = S?

Answers

Answer:

B step by step is the answer

Estimating sums 331+55

Answers

Answer:

round to 330 and 60, add and get 390

Step-by-step explanation:

Answer:

390?

Step-by-step explanation:

Round to nearest 10th
330+60=390

can u guys do this one?

Answers

Answer:

24% i think

Step-by-step explanation:

18/75 right?

sooo we cant convert the denominator to 100 so lets just divide it with..nanana. calculator

its

0.24

now move the decimal point two places to the right

24%

What is the answer to this please help me cause I’m new to all of this kind of math and I’m not really the type of person to like math.

Answers

Answer:

12/16 then we have to simplify by finding the largest number that goes into both so from looking i can see that its 4

3/4

Hope This Helps!!!

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