If the total surface area of a solid hemisphere is 462 cm2, find its volume.

Answers

Answer 1

Answer:

Step-by-step explanation:

here

total surface area(TSA)= 462 cm²

TSA=3πr²

462 = 3*22/7*r²

462*7=66r²

3,234=66r²

3,234/66=r²

49=r²

√(49=r

r=7

therefore the radia of the hemisphere is 7

now,

volume of hemisphere(V) = (2/3)πr²

V=(2/3)*(22/7)*7²

V=44*7

V=308

Answer 2

Answer:

radius is 7cmStep-by-step explanation:

v=2/3piercube

=2/3×22/7×7×7×7

=2156/3

=718.67cmcube


Related Questions

In 1/3 of an hour Brian reads 12 pages

Answers

Answer:

Thats a nice fact

Step-by-step explanation:

If you plug Ur nose, an apple,orange, and onion taste the same!!

Question: In Boston, Massachusetts, there is a 60% probability of rain on a specific day. How was this probability most likely determined?

Options:
A. On this day each year, it rains 60% of the time.
B. On days with similar conditions as this day, it has rained 60% of the time in Massachusetts.
C. During this month, it rains 60% of the days.
D. On days with similar conditions as this day, it has rained 60% of the time in Boston, Massachusetts
E. The probability was determined randomly.

Answers

Answer:

On days with similar conditions as this day, it has rained 60% of the time in Boston, Massachusetts

Step-by-step explanation:

I got it right on the quiz

The correct answer is "On days with similar conditions as this day, it has rained 60% of the time in Massachusetts."

What is probability?

Probability is the possibility of happening an event.

Given that, there is a 60% probability of rain on a specific day.

Therefore, it rained 60% of the time on that day.

Hence, the correct answer is "On days with similar conditions as this day, it has rained 60% of the time in Massachusetts."

Learn more on probabilities here:

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Keith designs a game in which players work together to run a food truck business.
During one game, the business loses $261. The four players share the loss equally.


A- Write the equation to represent the change in profit for each player.
(don't use the space)

Answers

Answer:

Y=-65.25x

Step-by-step explanation:

Which statement correctly compares Line segment A B and Line segment F D? Line segment A B and Line segment F D are the same length. Line segment A B is longer than Line segment F D. Line segment A B is shorter than Line segment F D. Line segment A B is shorter than or the same length as Line segment F D.

Answers

Answer:

AB is longer than FD

Step-by-step explanation:

I took the quiz on edge

Answer:

B.  AB is longer than FD

Step-by-step explanation:

c(x)=0.7x^2-210x+27,738

Answers

Answer:

max-738

min-738

derivative is 1.4x-210

Step-by-step explanation:

Please I beg you help me

Answers

Answer:

Option D

Step-by-step explanation:

Going through the choices will help determine which option best simulates the random selection of a voter.

Flip a coin three times, and assign outcomes as follows: HHH, HHT, or HTH = Nava; HTT, THH, or THT = Jensen; TTH = Moretti, TTT = Chang.

Given that it is a random selection of the 4 candidates, it means the probability of choosing either one of them is equivalent. From the option, it can be found that Nava and Jensen have a higher chance of being voted than Moretti and Chang, which would not fit the criteria of being randomly selected.

Roll a number cube, and assign outcomes as follows: 1 or 2 = Nava, 3 or 4 = Jensen, 5 = Moretti, 6 = Chang.

Again, Nava and Jensen have a higher chance of being voted than Moretti and Chang. Therefore, this is not the correct option to simulate random selections of the 4 candidates.

Roll a number cube, and assign outcomes as follows: 1, 2, or 3 = Nava, 4 = Jensen, 5 = Moretti, 6 = Chang.

Nava has a higher chance of being voted, so this option does not fit the stimulation.

Flip a coin twice, and assign outcomes as follows: HH = Nava, HT = Jensen, TH = Moretti, TT = Chang

In this scenario, all 4 candidates have an equal chance of being voted, so this option would best simulate the random selection of a voter from the city.

Hope this helps :)

Which expression has a value of 40?
1. 240 divided by 60
2. 2400 divided by 6
3. 2400 divided by 60
4. 2400 divided by 600

Answers

Iffy I igcig ginyyy the killer and white black white green white black black clover black black brown black white white blue red yellow yellow yellow white white red yellow

2400 divided by 60 is equal to 40. The correct option is 3.

To find the expression that has a value of 40, to evaluate each expression:

1.

240 divided by 60:

Divide 240 by 60 is equal to 4.

So, this is incorrect option.

2.

2400 divided by 6:

Divide 2400 by 6 is equal to 400.

So, this is incorrect option.

3.

2400 divided by 60:

Divide 2400 by 60 is equal to 40.

So, this is correct option.

4.

2400 divided by 600:

Divide 2400 by 600 is equal to 4.

So, this is incorrect option.

Hence, out of the four expressions, the third one, 2400 divided by 60, has a value of 40. So the correct answer is 3 (2400 divided by 60).

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180 in the ratio 1:3:4

Answers

Answer:

let 1:3:4 be written as x:3x:4x

therefore, x+3x+4x = 180

                 8x = 180

                   x = 180/8

                   x = 22.5

therefore, x = 22.5

               3x = 22.5 * 3 = 67.5

               4x = 22.5 * 4 = 90

Hope it helped u,

pls mark this as brainliest

and put thanks

^_^

How do regulations influence wages?
O A. They increase wages regularly over time.
O B. They create laws dealing with jobs and income.
C. They set a ratio of productivity to wages.
D. They set the market value of all types of jobs.

Answers

Answer:

b

Step-by-step explanation:

There are certain reasons that the regulations influence wages, among them the main influence is that they create laws dealing with jobs and income.

What are wages?

A wage is a sum of money paid by an employer to an employee for work completed over a set period of time.

Compensatory payments, such as minimum wage, annual bonuses, and prevailing wage and remunerative payments, such as prizes and tip payouts, are examples of wage payments.

These wages are influenced by the regulations in which the laws dealing with jobs and income.

Therefore, option B is correct.

To learn more about the wages, refer to:

https://brainly.com/question/13847060

what is the equation of the line in slope intercept form

Answers

Answer:

y=2/3x

Step-by-step explanation:

2. Convert 4 cups to gallons.

Answers

Answer:

4 cups = .25 gallons

Lenora is a college student with a student loan of $7,500. Her tuition is $3,200 per year. She owns $470 worth of text books and a has a laptop computer worth $950. She also has a meal plan at school for which she pays $250 per month.

Answers

Answer:

Lenora’s assets is the text books

Step-by-step explanation:

From the question, we are informed about Lenora who is a college student with;

a student loan of $7,500

a tuition is $3,200 per year.

She owns $470 worth of text books and a has a laptop computer worth $950 and meal plan at school for which she pays $250 per month

Lenora’s assets in this case is her text books since we are told she owns the $470 worth of text books, and from the question other things from tuition to meal plan are on loan.

NOTE: Asset can be regarded as any property/ resources own by business or individual.

Answer:

the textbooks

Step-by-step explanation:

which two circles below are congruent? explain your reasoning

Answers

Answer:

The first one to the left and the third one.

Step-by-step explanation:

As long as two circles have the same radius/diameter, they are congruent.

Circle 1 has a radius of 22.5.

Circle 2 has a radius of 22.

Circle 3 has a radius of 45/2 = 22.5. (Diameter/2 = radius)

Therefore, Circle 1 and Circle 3 are congruent.

Hope this helped!

Help plzzzzzzzz :(


Solve for C.

c/18= 30/12

Answers

I think it’s C= 45 bc i Googled it

y=3/8x−4 Write the equation in standard form.

Answers

Answer:

Step-by-step explanation:3x-8y=32

The vertex of the parabola is (1,6).
Y=x^2- 2x - 5
O True
O False

Answers

Answer:

true ig

Step-by-step explanation:

gfsetghdfr

Over 6 months, Fiona used her online banking account to pay a total of $274.50 for her cell phone services. Her cell phone service costs the same amount each month. How much did she withdraw from her account each month to pay for the services?

Answers

Answer:

45.75

Step-by-step explanation:

you divided 274.50 by 6 and get the answer

Johan's gift shop needs to mail 45 checks to the bank. If they can put 5 checks in each envelope, how many envelopes how does the shop need to use?

Answers

Answer: 9 envelopes

Step-by-step explanation:

Divide the 45 checks into 9 groups of 5.

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

|   5   |   5   |   5   |   5   |   5   |   5   |   5   |   5   |   5   |

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

45 checks divided into 9 envelopes equals 5 checks per envelope

45 ÷ 5 = 9

Take away one group of 5 checks from the 45 checks. Then take away another group of 5 checks, and another, and another. When there are no more checks, count how many groups you took away. You can take 9 groups away from 45, so that is your answer.

To tell that the answer is 9 groups of 5 checks, follow these steps.

Look at the equation. 45 ÷ 5 = 9.

The amount of groups is what 45 ÷ 5 equals. What the 45 checks is divided by is the amount in each group.

This means that there are 9 groups of 5 checks.

what 901 divided by 3

Answers

Answer:

300.33333

Step-by-step explanation:

HELP PLEZ!!
expand and simplify:
2(3x-5)+ 3(2x+3)

Answers

Answer:

The answer is 11x - 1

Step-by-step explanation:

I did the distributive property and it should look like this 6x - 10 + 5x + 9

After that I just combined like terms and got 11x - 1

pls mark brainliest

Answer:

2(3x - 5) + 3 (2x + 3)

6x - 10 + 6x + 9

6x - 1 + 6x

12x -1

Step-by-step explanation:

Hope this helps!!

PLS HELP ME
simplify 4/9+3/7

Answers

Answer:

I dont think it can be simplified any more

Step-by-step explanation:

Answer:

55/63

Step-by-step explanation:

combine the fractions by combining the common denominator

3 pounds of peanuts for 7.50 how much per pound?

Answers

Answer:

$2.50

Step-by-step explanation

7.50 divided by 3 is 2.50

Answer:

$2.50 per pound

Step-by-step explanation:

7.50/3

$2.50

Which angles are congruent?

Answers

Answer: What are the choices?

Step-by-step explanation:

How many times would Thor jump in 2 hours if he jumped 3 times every 5 minutes?

Answers

Answer:

72

Step-by-step explanation:

Answer:

72

Step-by-step explanation:

There are 12 five minutes in an hour, so 24 five minutes in two hours.

3*24=72.

Two numbers have a sum of 136 and a difference of 32. Find the smaller of the two numbers.

Answers

Answer:

Smaller number = x

Bigger number = x +32

Why? -- the difference of the numbers is 32, this also means that one number is 32 greater than the other.

x + x+32 = 136

2x +32 = 136

2x = 104

x = 104/2

x = 52

----> The smaller number is 52  <-----

We can check by solving for the bigger number.

Bigger number = x+32

x = 52

52 + 32 = 84

Bigger number = 84

Bigger number + Smaller number = 136

84 + 52 = 136

The numbers are 84 and 52 if the two numbers have a sum of 136 and a difference of 32.

What is a linear equation?

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

It is given that:

Two numbers have a sum of 136 and a difference of 32

Let x be the first number and y be the second number:

x + y = 136

x - y = 32

After solving the above linear equation by elimination method:

2x = 168

x = 168/2

x = 84

2y  = 104

y = 52

Thus, the numbers are 84 and 52 if the two numbers have a sum of 136 and a difference of 32.

Learn more about the linear equation here:

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19. The marked price of a certain handbag is $400. After two successive
sales, the selling price of the handbag becomes $225. If the discount
per cent in each sale is x%, find the value of x.

Answers

Answer:

x = 25%

Step-by-step explanation:

At the first sale of 25% off, the handbag price dropped from $400 to $300. This is because (400 x 0.25 = 100) and (400 - 100 = 300) Therefore, the selling price of the handbag after one sale was $300.

At the second sale of 25% off, the handbag price dropped from $300 to $225. This is because (300 x 0.25 = 75) and (300 - 75 = 225). Therefore, the selling price of the handbag after two sales is $225.

The value of x remained the same for both sales. x = 25% or 0.25

Last question I need help on y’all !!

Answers

The answer is 2.475 x 10^5



Solve for x ?
I don’t understand this

Answers

it’s A
this is my explanation

In a class full of men and women, 5/9 of the class are women. What is the ratio of men to
women in its simplest form?

Answers

Answer:

4:5

Step-by-step explanation:

5=women

4=men

(5+4=9)

4:5

Answer:

5:4

Step-by-step explanation:

4/9 are men

so, 5/9(women) : 4:9(men)

times 9 both side

5(women):4(men)

You have a cake that is 10 inches in diameter. You expect 12 people to share it, so you cut it into 12 equal slices. Before you get a chance to serve the cake, 12 more people arrive! So, you decide to cut a concentric circle in the cake so that you will have 24 pieces. How far from the center of the cake should the circle cut be made so that all 24 people get the same amount of cake?

Answers

Answer:

3.5355 inches

Step-by-step explanation:

Area should be same the concentric circle and rest piece .

let's consider the radius of concentric circle as r

so it's area is π r²

area of whole circle is π (5)" ( because diameter is 10 inches)

so the area of rest piece is π (5)² - π r²

π (5)² - π r² = π r²

5² = 2r²

r² = 25/2

r = √(25/2)

r = 3.5355 inches

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