Mathematics Middle School

helppp plzzzz...also give steps..plz

Answers

Answer 1

Answer:

4.5 cm

Step-by-step explanation:

The volume of a sphere is given by

V = 4/3 pi r^3

121.5 pi = 4/3 pi r^3

Divide each side by pi

121.5 = 4/3 r^3

Multiply each side by 3/4

3/4 *121.5 = 3/4 * 4/3 r^3

91.125 = r^3

Take the cube root of each side

(91.125)^ (1/3) = r^3 ^(1/3)

4.5 = r

Answer 2

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Related Questions

Simplify the expression. (1)/(2)(-(5)/(6)+(1)/(3))

Answers

Answer:

0.5

Step-by-step explanation:

The answer to that is 0.5 I am pretty sure

Thor is 3 miles north and 4 miles west of the camp site. Willow is 2 miles south and 8 miles east of the campsite. How far apart are Willow and Thor?

Answers

3 miles away from each other

3 miles away aparttt

Aha I'm failing so if you could help that would be great :D. Find the value of x in the triangle shown below.

Answers

Answer:

Step-by-step explanation:

p = ?

h = 10

b = 6

Now,

p2 = h2 - b2

p2 = ( 10)2 - (6)2

p2 = 100 - 36

p2 = 64

p = root under (64)

p = 8

X= 8, letter D and I hope it’s right

Consider the inequality -20.2 > 0y. Which of the following must be true? Check all that apply.
1.You cannot divide by zero.
2.The inequality is equivalent to -20.2 > 0, which is false.
3.The solution is y > 0.
4.The solution is 0 > y.
5.The solution is y = 0.

Answers

Answer:

Step-by-step explanation:

1 and 2

1 because indeed you can't divide -20.2 by zero to get y

2 because the inequality is basically a false situation.

The answer is definitely 1 and 2

answer for 10 points and brainly

Answers

Answer:

I have matched the answer in the fig hope it helped u

Step-by-step explanation:

can u mark me as brainlist plz...

D,c,b,a thats how it goes

Can I get some help plzzz. Also plz give steps

Answers

Answer:

r=2.9 cm

Step-by-step explanation:

Given:

volume=486π cm^3

height=18 cm

volume of a cone=πr^2h

486=π*r^2*18

486=18π*r^2

486/18=πr^2

27/π=r^2

27/3.14=r

8.5987=r^2

[tex]\sqrt{8.5987[/tex] =r

2.9323 =r

2.9=r(after converting to nearest tenth)

R=2.9cm………………………………………

What is the area of the following triangle?
A. 300 in
B. 60 in
C. 150 in
D. 72 in

Answers

Answer:

C, 150 in

Step-by-step explanation:

12 in x 25 = 300

300/2

=150 in

***no links please:)****

Answers

Answer:

Step-by-step explanation:

√64 = 8

so B isn’t correct because 8.16... is greater than 8 and the same is for C

The only correct option is A: 7.5

Answer:

the answer is

A because /64= 8

and between 6⅛ and 8

its 7½

$18.75 to $18.60 identify the percent of change as an increase or decrease . then find the percent of change round to the nearest tenth of a percent , if necessary

Answers

Answer:

0.8%

Step-by-step explanation:

There is a decrease in percentage by 0.8%.

What is percentage?

Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".

The given decimal numbers are $18.75 and $18.60.

We know that, percentage change = (Original price-New price)/Original price ×100

= (18.75-18.60)/18.75 ×100

= 0.15/18.75 ×100

= 0.008×100

= 0.8%

Therefore, there is a decrease in percentage by 0.8%.

To learn more about the percentage visit:

brainly.com/question/24159063.

#SPJ5

Arianna earns a weekly salary of $325 plus a 6.5% commission on sales at a gift shop. How much would she make in a workweek if she sold $4800 worth of merchandise?\

Solve with steps. First, then, next, after

Answers

Answer: Take the answer from somebody

Step-by-step explanation:

it will 800 divided by 2 and u might be the answer

Am I correct?
Tell me if I’m wrong and what is the correct answer.

Answers

Answer:

3.6 is the correct answer because it is bigger,

Step-by-step explanation:

it’s the other way around

On a scale drawing, the height of a tree is 3 inches. If the scale of the drawing is 1 in:50 ft , how tall is the tree?

Answers

Answer:

Step-by-step explanation:

Lauren has a points card for a movie theater.
She receives 60 rewards points just for signing up.
She earns 5.5 points for each visit to the movie theater.
She needs 104 points for a free movie ticket.

Write and solve an equation which can be used to determine xx, the number of visits Lauren must make to earn a free movie ticket.

Answers

Multiply points per visit x number of visits, using x for the number of visits:

5.5x

Add that to the points she already has:

5.5x + 60

This needs to equal a total of 104 points:

5.5x + 60 = 104

Now solve for x

5.5x + 60 = 104

Subtract 60 from both sides

5.5x = 44

Divide both sides by 5.5

X = 8

She needs 8 more visits

the answer is 5.5x+60=104

Enter your answer as a simplified fraction.

Answers

Answer:

1/3

Step-by-step explanation:

i dont know im guessing

Answer:

1 5/24 total gallons remain

Step-by-step explanation:

yellow: 4/3 - 3/4 = 16/12-9/12 = 7/12

green: 5/4 - 3/4 = 5/4-3/4 = 2/4

blue: 7/8 - 3/4 = 14/16-12/16 = 2/16

7/12 + 2/4 + 2/16 = 28/48 + 24/48 + 6/48 =

58/48 or 1 5/24

Help please!! Will give Brainly, and 50 Points.

Answers

Answer:

c. (11,-21)

Step-by-step explanation:

to visualize this, i put it on a graph and if you graph the 2 lines you find the point they intersect, which is (11, -21) Hope this helps!

Answer:

Step-by-step explanation:

help quick please please

Answers

Pie time 7.06 squared
156.588
Answer: 156.59 after rounding to 2 DP

I think the answer is 156.59

Can someone answer these for me (real answers only please) thank you!!!!!!

Answers

Answer:

5. an increase and then decrease; the spike in visitors could be because of the start of summer

6. December is around Christmas, where most people would have holiday

7. (I'm not sure)

5 is a increase and then a discrease 6 and 7 ugh I can’t think

if the diameter of a disc is 50 ft, what will be the area of the disc?

Please help me on this.
i'm stuck on it.

Answers

Hey there! Your answer is:

1,963

Step-by-step explanation:

Please mark Brainliest<3

Yo I was stuck on this to but it is really simple it’s
1963

Find the solution to the system of equations by graphing.

y= 6-x and y=x-2
A (2, 4)
B (-4,2)
C (4.2)
D no solutions

Help please!!

Answers

The answer is C

Do you need the step by step ?

Answer:

C is the answer :)

Step-by-step explanation:

I hope this answer helps you out!

Need help with math 15 points

Answers

Answer:

# candies bought and # shirts bought

Step-by-step explanation:

Pls help me so I don’t get left back.

Answers

Answer:

a) ∠ IHJ is 55° because MIJ is a straight angle

∠IHN is 125° because vertically opposite from ∠IHM

∠ NHM is 55° because it is vertically opposite from ∠ IHJ

b) Angles 4 and 6 are interior angles. They equal to 180. A similar example to that is ∠5 and ∠3.

c)Angle 1 and 5 are corresponding angles. They equal the same. Anothe example would be ∠6 and ∠2.

Hope this helped!

The answer above……………..

I need this In the next 6 mins PLEASE HELP!!!!!!

Answers

Answer:

717cm

Step-by-step explanation:

if you add to the next place it will seeded

A mirror frame in the shape of an oval is shown below. The ends of the frame form semicircles:
An oval is formed by a rectangle with semicircles at each end. The length of the rectangle is 54 inches. The width of the rectangle is 27 inches.

Which of the following is the perimeter of the inner edge of the frame?

(π = 3.14)

192.78 inches
246.78 inches
277.56 inches
331.56 inches

please help lol

Answers

Answer:

The answer is 192.78 inches

Step-by-step explanation:

An oval is formed by a rectangle with semicircles at each end. We can visualize this easily.

The length of the rectangle is 54 inches.

The width of the rectangle is 27 inches.

The perimeter of rectangle is =

= 162 inches

And because there are two semicircles, we can combine them to form a circle. So, perimeter of a circle is called a circumference.

The width of the rectangle forms the diameter, so its half will be the radius.

r =

The circumference is given by :

= inches

Now as the described oval shape is a complete figure without lines inside, we will subtract the width of both sides of the rectangle from the complete perimeter.

The complete perimeter is = inches

The inner edge perimeter will be = = 192.78 inches

pls mark as brainliest

Answer:

1st option

Step-by-step explanation:

Help with both answers thanks.
And no links pls

Answers

Yo I don’t know if it is only me but your picture isn’t loading

Yea lol it's just gray and white there nothing there try again

Plz help will be marked BRAINLIEST

Answers

Answer:

a-45

b-30

c-90

Step-by-step explanation:

blue shape-90 degree angle

pink is 45 since 2 make up a quadrant

aqua is 30 because half 2 quadrants equal 180.

180-(45x2)=90

90/3=30

hope this helps!

The answer above is correct……………………………..,,,,

9/4 = blank divided by 4

please help- what is blank

Answers

Answer:

Step-by-step explanation:

You gave the answer right in your question

Is is asking what is divided by 4 to equal 9/4( 9 over 4)

Please help asap or give explanation for brainliest

Answers

Answer:

Hi, I believe 1-0.25c is the correct answer.

Step-by-step explanation:

This is because 25% off would mean taking 25 off of a whole amount, which in this case would be one.

0.75c

Hope this helps ;)

Joel scores in 80% of his games. His team is starting the playoffs, and if they make it to the state championship, they will have played 5 games. Joel wants to determine the probability that he scores in 4 of the 5 games.Which simulation design has an appropriate device and a correct trial?

A) Roll a die letting 1 represent Joel scoring and 2-6 represent Joel not scoring. Roll the die four times.

B) Roll a die letting 1 represent Joel scoring and 2-6 represent Joel not scoring. Roll the die five times.

C) Using a table of random digits select a digit between 0 and 9. Let 0-7 represent Joel scoring and 8-9 represent Joel not scoring. Select four digits.

D) Using a table of random digits select a digit between 0 and 9. Let 0-7 represent Joel scoring and 8-9 represent Joel not scoring. Select five digits.

Answers

Answer:

Step-by-step explanation:

4 out of 5 games is 80%:

So if we know, as a rule that "Joel scores in 80% of his games.", the probability that he will score in 80% of his games is 1 - that is, we know it for sure

100% sure

The answer is D without a single doubt

ABCDEFGH is a rectangular prism with CD=5, AD=6, and AE=8. Find the volume of tetrahedron ABCF.

Answers

Answer:

Step-by-step explanation:

the volume of tetrahedron ABCF =

⅓× ½×5×6×8 = 40

The volume of the given tetrahedron ABCF will be 40 cube units.

What is a tetrahedron?

A tetrahedron is a polyhedron having four faces, six edges, and four vertices, all of which are triangles. It is also known as a triangular pyramid with a triangle base.

The ABCDEFGH is a rectangular prism given in the question, which has :

CD = 5, AD = 6, and AE = 8

We have to determine the volume of tetrahedron ABCF.

As per the question, the required solution would be as:

The volume of tetrahedron ABCF = 1/3 × 1/2 × 5 × 6 × 8

Apply the multiplication operation, and we get

The volume of tetrahedron ABCF = 40 cube units

Thus, the volume of the given tetrahedron ABCF will be 40 cube units.

Learn more about the tetrahedron here:

https://brainly.com/question/17132878

#SPJ2

what angle is complementary to 1 ?

Answers

Answer:

angle 2

Step-by-step explanation:

angle 1 and 2 together make 90 degrees

angle 2 is complementary to 1 making it 90 degrees when together

Other Questions

Explain how rays AB and AC form both a line and an angle. you need a 20-year, fixed-rate mortgage to buy a new home for $210,000. Your mortgage bank will lend you the money at a 7.1 percent APR for this 240 month loan. However, you can afford monthly payments of $1,000, so you offer to pay off any remaining balance at the end of the loan in the form of a single balloon payment. HOw large will this balloon payment have ot be for you to keep your monthly payments at $1000 Which choice is equivalent to the fraction below? 6/(sqrt(3)) During a school event, Noah is selling pizza at the food stand for $1.25 per slice. How many slices of pizza would Noah need to sell to earn $120? Explain your reasoning. give an example of a body with uniform acceleration i need help! plz (listing BRAINLIST and giving points) :D Need help please!!! On October 1, 20Y6, Jay Crowley established Affordable Realty, which completed the following transactions during the month:Oct. 1 Jay Crowley transferred cash from a personal bank account to an account to be used for the business in exchange for common stock, $30,600.Oct. 2 Paid rent on office and equipment for the month, $2,750.Oct. 3 Purchased supplies on account, $2,350.Oct. 4 Paid creditor on account, $890.Oct. 5 Earned sales commissions, receiving cash, $15,800.Oct. 6 Paid automobile expenses (including rental charge) for month, $1,600, and miscellaneous expenses, $680.Oct. 7 Paid office salaries, $2,000.Oct. 8 Determined that the cost of supplies used was $1,150.Oct. 9 Paid dividends, $2,800.Required 1. Journalize entries for transactions Oct. 1 through 9. Refer to the Chart of Accounts for exact wording of account titles.2. Post the journal entries to the T accounts, selecting the appropriate date to the left of each amount to identify the transactions. Determine the account balances, after all posting is complete. Accounts containing only a single entry do not need a balance.3. Construct an unadjusted trial balance as of October 31, 20Y6.4. Determine the following:a. Amount of total revenue recorded in the ledger.b. Amount of total expenses recorded in the ledger.c. Amount of net income for October.5. Determine the increase or decrease in retained earnings for October. Suppose that it is reported in the news that 12% of the people living and working in Kokomo feel that their commute is too long. What is the travel time to work that separates the top 12% of people with the longest travel times and the lower 88% You own a golf course in Florida and you need to determine how many golf carts you need to buy to maximize profits. Please answer the following questions given the information below.A brand new golf cart costs 2000 rounds of golf and the rate of depreciation is 5%.The real interest rate is 8%The expected marginal product of capital is given by MPKf = 1000 10K.a) What is the user cost of capital and what is it expressed in?b) How many golf carts should you buy to maximize profits (i.e., what is K*)?c) Draw a graph (the uc / MPK graph) depicting the state of affairs and label this initial profit maximizing point as point A.Now suppose the (local) government with all their financial shortfalls embarks on a campaign to raise revenue to fund the fire department by imposing a so-called "luxury tax" (we know it as ) equal to 15% of gross revenue. What happens to the profit maximizing number of golf carts? Please show all work and round to two decimal places. REREAD THE SENTENCE, "THE DYE WAS FALLING FROM HER DRESS LIKE BLACK TEARS(PARAGRAPH 29)HOW DOES THE SIMILE CONTRIBUTE TO THE TONE OF THE STORY? From the story "mother and daughter by Gary Soto After the Civil War, the South had to reinvent its economy becauseplantations had been destroyed.the North took over its industry.sharecropping was not an option.the North took over its farmland. A normal resting heart rate is usually about.1) 60-80 beats per min2) over 100 beats per min3) 30-40 beats per min4)150-220 beats per min Find sinA. 3/5B.4/5C.1D.5/4 why was it necessary to co operate with people for unification Help fast it is math and really fast need help A gas has a volume of 1000.0 mL at a temperature of 20.OK and a pressureof 1.0 atm. What will be the new volume when the temperature is changedto 40.0K and the pressure is changed to0.5 atm? Explain the difference between a classic Disney song and a modern Disney song. Give examples of characteristics you would hear in both types. Given right triangle ABC with altitude BD drawn to hypotenuse AC. IfAC 18 and DC 15, what is the length of BC in simplest radicalform The original price of a skateboard, not including tax, was $96. Charlie bought the skateboard on sale, and he saved 30% off of the original price.What was the sale price of the skateboard?