Mathematics College

helpppppppppppp pleaseeeeeeeeeeeeew

Answers

Answer 1

Answer:

volume of cylinder = πr^2h

=π (2)^2 * 5

= π* 4*5

= 20π unit^3

= 3.14* 4*5 = 62.8 unit^3

Related Questions

Find the median and mean of the data set below: 40,45,7,21,31 40,45,7,21,31

Answers

Answer:

mean=28.8

median=31

Step-by-step explanation:

mean=sum of all values/number of all values

mean=40+45+7+21+31+40+45+7+21+31/10

=288/10

mean=28.8

Median

arrrange in order

7,7,21,21,31,31,40,40,45,45

in case of even ungrouped data median is the average of middle two values

= (31+31)/2

median =31

2. Half of Robert's piece of wire is equal to of Maria's wire. The total length of their wires is 10 feet. How much longer is Robert's wire than Maria's?

Answers

Step-by-step explanation:

Given that,

Half of Robert's piece of wire is equal to of Maria's wire i.e.

[tex]\dfrac{R}{2}=M[/tex] ....(1)

Total length of the wires = 10 feet

ATQ,

[tex]R+M=10[/tex] ....(2)

Use equation (1) in (2).

[tex]R+\dfrac{R}{2}=10\\\\\dfrac{3R}{2}=10\\\\R=\dfrac{20}{3}\\\\R=6.67\ ft[/tex]

So,

[tex]M=\dfrac{6.67}{2}\\\\M=3.33\ ft[/tex]

Hence, this is the required solution.

Sheila had one gallon of milk. She used gallon of milk to make ice cream. She used another gallon of milk to make cookie dough. How much of a gallon of milk does Sheila have left?

Answers

Answer:

Step-by-step explanation:

we know that

1) Sheila had 1 gallon of milk

2) she used 1/4 of a gallon of milk ------> 1-1/4-----> 3/4 gallon left

3) she used 1/6 of a gallon of milk------> 3/4-1/6---> (6*3-4*1)/24---> 14/24

14/24-----> 7/12 gallon

Chris works at a bookstore and earns $7.50 per h hour plus a $2 bonus for each book she sells. Chris sold 15 books. She

wants to earn a minimum of $300. Which inequality represents this situation, and what quantities are true for h?

A 2h + 30 > 300, where h > 135

B 7.50h + 30 > 300 where h > 36

7.50h + 30 < 300, where h <36

D2h + 30 < 300, where h < 135

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:it is b because u multiply.

Two stacks of quarters are shown. Both stacks have the same amount of quarters.
The statement below uses the Cavlieri's principle to explain why the volumes of these two stacks of
quarters are equal.
the sections made by planes
from their respective bases are always equal, then the
volumes of the two solids are equal.
Which of the following pair of statements can be use to fill in the empty boxes above?

Answers

Answer:

in geometry nation its in two solids of equal altitude, parallel to and at the same distance.

Step-by-step explanation:

just got it wrong :(

Answer:

Step-by-step explanation:

Please be correct, HELP ASAP!!!!

Answers

[tex] \displaystyle \: x_{ \text{lesser}}= - 18.16\\ x _{ \text{greater}} = - 11.84[/tex]

Step-by-step explanation:

we are given a equation

we want to figure out x

add 10 to both sides:

[tex] \displaystyle \: (x + 15 {)}^{2} = 10[/tex]

square root both sides:

remember that,

[tex] \displaystyle \: a = \pm \sqrt{b} [/tex]

by that

[tex] \displaystyle \: x + 15 = \pm\sqrt{10} [/tex]

cancel 15 from both sides:

[tex] \displaystyle \: x = \pm\sqrt{10} - 15[/tex]

[tex] \displaystyle \: x_{ \text{lesser}}= - 18.16\\ x _{ \text{greater}} = - 11.84[/tex]

Maya read 3535 pages in \frac{4}{5}
5
4

of an hour. If she continues reading at the same rate, how many pages will she read in an hour?

Answers

Question for the Poster: Can I get brainliest,Thanks.Please type your questions with correct spelling so you can get your question answered to the best of everyone's ability

Answer:Maya reads 43 and 3/4 or 43.75 pages in 1 hour(or 44 pages per hour)

The window above Matt's front door is shaped like a triangle.
How many equal-length sides does the window have?
Enter the correct answer in the box.

PLEASE HELP

Answers

Answer:

It has 2 equal side lengths

can you guys help me pls

Answers

Answer:

D. (4 1/2, 2 1/2)

Step-by-step explanation:

Look for each point on the coordinate graph.

If the price of onions is $8 per pound, how much would 4.7
pounds of onions cost?

Answers

Answer:

37.6 dollars

Step-by-step explanation:

4 pounds = 32 dollars

0.2 pound = 1.6 dollars

0.5 = 4 dollars

0.1 = 0.8 dollars

if f(x)=k g(x), what is the value of k

Answers

Answer:

the y intercept

Step-by-step explanation:

the k in algebra is the y intercept :))

Round to one billion place. Drop the zeros.
28,436,297,825
30,943,267,101
45,831,246,935

Answers

Answer:

28,436,297,825

30,943,267,101

45,000,000,000

Step-by-step explanation:

ur welcome

The area of a triangle is 92 square inches. The base is 23 inches. What is the height in inches? Do not include units in your answer.

Answers

Answer:

34,5 ?? I am not good at this but I did 92-23 that's 69 ÷ 2 = 34.5 ?

Answer:

Step-by-step explanation:

We can use the formula for the area of a triangle, to help us find the height:

Area=12⋅b⋅h

Using the formula for area, we can solve for the height by plugging in the information we have about the area and the base:

92=12⋅23⋅h

Isolate h by multiplying both sides by 2 and dividing both sides by 23.

hh=2⋅9223=8

The height is 8 inches.

10 POINTS FOR THE CORRECT ANSWER PLEASE HELP ME

Answers

Answer:

10.3

Step-by-step explanation:

6²+b²=9²

36+b²=81

b²=81-36

b²=45

b=√45

b=6.7

So CE is 6.7.

6²+b²=7²

36+b²=49

b²=49-36

b²=13

b=√13

b=3.6

so EA is 3.6

AC = CE+EA = 6.7+3.6 = 10.3

A company manufacturing a roadside lighting system wants to estimate the average illuminance (brightness) at sunset. The illuminance at sunset for the past 10 days was as follows: 406, 385, 389, 383, 352, 379, 388, 343, 368, 387 lux. Construct a 95% confidence intervals for the average illuminance at sunset. Assume that the illuminance at sunset is approximately normally distributed.

Answers

Answer:

(364.595 ; 391.405)

Step-by-step explanation:

Given the sample data:

406, 385, 389, 383, 352, 379, 388, 343, 368, 387

Using calculator :

Sample mean, xbar = 378

Standard deviation, s = 18.74

Confidence interval :

Xbar ± Margin of error

Margin of Error = Tcritical * s/√n

TCritical at df = 24 ; 0.05 = 2.262

Margin of Error = 2.262 * 18.74/√10 = 13.405

Lower boundary = (378 - 13.405) = 364.595

Upper boundary = (378 + 13.405) = 391.405

(364.595 ; 391.405)

Please help!!!!!!!!!

Answers

10+6+9+13+7= 45

and divide it by 5

the answer is 9

the answer is 2.74, this is easy to figure out if you want to you can look up a claculator for it

Find perimeter pt4 brainliest

Answers

Perimeter= X + Y + W. Perimeter is the sum of all sides

Solve for angle x help plz

Answers

Answer:

123 degrees

Step-by-step explanation:

Answer:

123°

Step-by-step explanation:

360 - 114 - 43 - 80 = 123

PLEASEEE HELP I WILL MARK YOU BRAINIEST!!!

Answers

Answer:

Step-by-step explanation:

duh....

On the day of a child's birth, a parent deposits $30,000 in a trust fund that pays 3% interest, compounded continuously. Determine the balance in this account on the child's 24th birthday.

Answers

Answer:

3/100 × 30000 is the answer to your question.

The Y-Axis on a Coordinate plane runs vertical.

Answers

Answer:

good

Step-by-step explanation:

So when you do the (,) things the x-axis would go first for example

say the x-axis=5 and the y-axis= 9 it would be (5,9)

hope this helps plz mark brainlest

4. Complete the number sentence below: *
x 102 = 2,500
Help me please !!!

Answers

The answer is 25 because if you go threw and put all the answers in a calculator 25x10^2=2,500

Which fraction is the product of 8/7 x 9/10?

Answers

Answer:

[tex] \frac{8}{7} \times \frac{9}{10} \\ = \frac{8 \times 9}{7 \times 10} \\ = \frac{72}{70} \\ = 1.02[/tex]

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

What is the measure of the central angle that goes with the given arc measure shown below

Answers

The measure of minor arc is equal to its corresponding central angle
Since the arc is equal to 90 the central angle is also equal 90

Tyler has 2 1/3 cups of yogurt to make smoothies. Each smoothie uses 1/3 cup of yogurt. How many smoothies can Tyler make with the yogurt?

Answers

Answer:

7 smoothies

Step-by-step explanation:

change 2 1/3 into improper fraction => 7/3

divide 7/3 by 1/3:

=> 7/3 × 3

=> 7

Answer:

2 1/3

Step-by-step explanation:

area of circle if circumference is 132m

Answers

Answer:

1386 cm²

Step-by-step explanation:

Here's your answer!

Hope it helps :)

Answer:

1386.56m²

Step-by-step explanation:

A=C2

4π

Circumference^2/4(3.14)

A triangle has angles measuring 108 and 24 degrees. What is the measure of the third angle?

Answers

Since a triangle’s total degrees equals 180 you would do 180-108-24 and you would get 48° for your answer

Find the solutions of :
-3X + 2 2 14
Give 5 solutions

Answers

Answer:

-3(x - 738)

Step-by-step explanation:

-3x+2214

-3x+3 . 738

-3(x-738)

I need the answer with justification please

Answers

The chance of getting an even number for 1 roll is 1/2 ( half the numbers are even.)

For 3 times in a row:

1/2 x 1/2 x 1/2 = 1/8

The answer is 1/8

5. Write 21/25 as a percent * O 84% O 80% o 21% 25%

Answers

Answer:

84%

Step-by-step explanation:

21/25 = 84/100 = 0.84 = 84%

Answer: 84%

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