Two spheres have volumes of 8π cm3 and 64π cm3. if the surface area of the smaller sphere is 16π cm2, what is the surface area of the larger sphere? 64π cm2 96π cm2 128π cm2 256π cm2

Answers

Answer 1

The surface area of the larger sphere with a volume of 64π cm³ comes to be 16π∛36 cm³.

The volume of the larger sphere = 64π cm³

Suppose the radius of the larger sphere is r

So, 4/3*π*r³ =64π

r³=48

r=2∛6

What is the surface area of a sphere?

The surface area of a sphere is 4πr² where r is the radius.

So, the surface area of the larger sphere = 4π(2∛6)²

The surface area of the larger sphere = 16π∛36

Hence, The surface area of the larger sphere with a volume of 64π cm³ is 16π∛36 cm³.

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Related Questions

Given: ABC is a right triangle
Prove: A^2 + b^2 =c^2

A = addition property of equality
B = Pythagorean theorem
C = Pieces of right triangles similarity theorem
D = cross product property

Answers

Answer: B

Step-by-step explanation:

You cannot use what you are trying to prove as a justification.

For which of the following would not expect to pay an excise tax? a. alchoholic beverages b. firearms c. gasoline d. groceries please select the best answer from the choices provided a b c d

Answers

The best choice for given would not expect to pay an excise tax is,the groceries is not expected to pay an excise tax.

Here we have to determine best choice for the given options would not expect to pay an excise tax.

First we have to know that excise tax

Therefore we have,

What is excise tax?

Excise taxes are taxes that are imposed on various goods, services and activities.

This is because excise taxes are commonly levied on enterprises or goods that are deemed useless or even harmful, such as cigarettes.

Thus, the tax acts as a restraint to people acquiring these goods or services.

Clearly, groceries are important for endurance and are not worthless or dangerous.

Therefore, the groceries is not expected to pay an excise tax.

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Which equation represents a line of that has a slope of 4 and passes throufh the point 0,-1

Answers

Answer:

y=4x-1

Step-by-step explanation:

1. Create an equation to for b (y-intercept)

y=4x+b

2. Plug in the x and y values from the point (0,-1)

-1=4(0)+b

3. Solve for b

-1 = b

All together the final equation is y=4x-1

A 25-foot long ladder is propped against a wall at an angle of 18° with the wall. which diagram correctly represents this scenario? a ladder is propped against a 25 foot tall wall. the angle between the ladder and the ground is 18 degrees. a 25 foot ladder is propped against a wall forming an 18 degree angle. a ladder is propped against a wall forming an 18 degree angle. the distance between the bottom of the ladder and the wall is 25 feet. a 25 foot ladder is propped against a wall. the angle between the ladder and the ground is 18 degrees.

Answers

Answer:

its B

Step-by-step explanation:

The correct option is A 25-foot ladder is propped against a wall forming an 18-degree angle.  

What are Trigonometric ratios?

Trigonometric ratio is used to show the relationship between the sides and angles of a right-angled triangle.

A right-angled triangle is a triangle in which one of the angle is 90 degrees.

Given a 25-foot-long ladder is propped against a wall at an angle of 18° with the wall.

Here, the right-angled triangle ABC with side AB as the hypotenuse

The diagram of the scenario is attached below.

Find out more on Trigonometric ratio at: brainly.com/question/4326804

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i’m confused on how to do this can u help me

Answers

Answer:

i think the first one

Step-by-step explanation:

so to do this, you first have to look at what the x means and what the y means

the x means the time

the y means the speed

now we check the graph, from the points (1, 112) and (7, 16) does x decrease? yes it does

so we can cross out all the "increase x "choices, you could choose the answer now, but lets undertstand

when x decreases y also decreases. you can know because when x is 1 y is 112 but when x is 2, y is 96

A total of 60 tickets were sold for an concert and earn the organizers $540. If the cost of each ticket is either $6 or $10, how many tickets of each type were sold?

Answers

Answer:

$6 tickets:  16; $10 tickets:  45

Step-by-step explanation:

We need a system of equations to find the number of each type of ticket sold.

Thus, we have [tex]x+y=60[/tex], where x = the number of $6 tickets and y = the number of $10 tickets

We also have [tex]6x+10y=540[/tex]

We can use the elimination method to find y:

[tex]x+y=60\\6x+10y=540\\\\-6(x+y=60)\\\\-6x-6y=-360\\6x+10y=540\\\\(4y=180) / 4\\\\y=45\\\\(x+45=60)-45\\\\x=15[/tex]

6. Nobu was a part of a cookie eating contest. The company hosting the event made 805 cookies. In the first 15 minutes, the contestants ate 388 cookies. | How many cookies are left at this Songs i point? At this rate, about how long it will take the contestants : to eat all of the cookies?​

Answers

At that point, there would be 417 cookies left. At that rate it would take about 31 minutes.

Find the twenty-fourth term of the arithmetic sequence whose eighteenth term is 42, and whose twenty-fifth term is 56.

Answers

Answer:

54

Step-by-step explanation:

Given

a₁₈ = 42a₂₅ = 56

Solving

a₁₈ = a + 17d = 42 (1)a₂₅ = a + 24d = 56 (2)(2) - (1)a + 24d - a - 17d = 56 - 427d = 14d = 2a = 56 - 24(2) = 56 - 48a = 8

Finding a₂₄

a₂₄ = a + 23d8 + 23(2)8 + 4654

Jonny has 19 bottles or dish soap and jeff takes 20 bottles of dish soap he gives 67 back how much dish soap Jonny have

Answers

Answer:

66

Step-by-step explanation:

Please help! Will mark brainlyest.

Answers

Answer:

I think c

Step-by-step explanation:

A bag contains hair ribbons for a spirit rally. The bag contains 4 black ribbons and 5 green ribbons. Lila selects a ribbon at random, then Jessica selects a ribbon at random from the remaining ribbons. What is the probability that Lila selects a green ribbon and Jessica selects a black ribbon? Express your answer as a fraction in simplest form.

Answers

Answer:

3/15 x 12/14 = 36/210 = 6/35

Step-by-step explanation:

3 + 12 = 15

3/15 = black

12/15 = green

the probability Lila selects the black ribbon first is 12/15

Lila has taken one away so the total now decreases by one to 14

There are 3/14 black ribbons now, and hence the probability that Jessica takes one is 3/14.

Then you just multiply the two together:

3/15 x 12/14 = 36/210 = 6/35

So as a result, The simplified answer is 6/35

What is the perimeter of the figure?
15 cm
9 cm
centimeters

Answers

Answer:

48

Step-by-step explanation:

you just multiply both numbers by two and then add

48 you times both numbers

1:4
2:4
2:8
Equivalent ratios

Answers

Answer:

Equivalent ratios of 1:4 include 2:8, 3:12, 4:16, 5:20, etc. Equivalent ratios of 2:4 include 4:8, 6:12, 8:16, 10:20, etc. Equivalent ratios for 2:8 are 4:16, 6:24, 6:32, and 8:40.

Step-by-step explanation:

Hope this answered ur question, unless you mean if the numbers are equivalent ratios which they arent

Answer: 1:4 is equivalent to 2:8 not but equivalent to 2:4

Step-by-step explanation: To create equivalent ratios of a given ratio, simply multiply the two figures by the same number. 2:8 is a two time multiple of 1:4

Veronica is buying 6 ham sandwiches and 3 cheese sandwiches. Each sandwich
costs $4. The equation below can be used to find Veronica's total cost.
Veronica says all the sandwiches will cost more than $30. Use the drop-down
menus to explain if her statement is reasonable.
4×6+3=0

Answers

Answer: 36

Step-by-step explanation: 6 + 3 = 9.

4 * 9 = 36

Veronica's statement is reasonable because they cost more than $30.

The total amount of sandwiches is $36

Calculations and Parameters:

Given that:

She buys 1 sandwich for $4

She buys 6 ham sandwiches and 3 cheese sandwiches

To find the total cost for Veronica would be:

6+3 = 9 total sandwiches

4 * 9= 36 total cost of the sandwiches.

Therefore, Veronica's statement is reasonable because they cost more than $30

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Two-step
Find the solution set of the inequality
14 - 3x < -1.

Answers

Answer:

x > 5  should be your solution to the inequality.

Step-by-step explanation:

Your inequality: 14 - 3x < -1

You need to do two-step inequalities which are similar to two-step equations but different since you're using an inequality symbol as opposed to an equal sign.

Steps:

14 - 3x < -1

Subtract 14 from both sides

-3x < -1-14

Solve -1-14

That should be -15

-3x < -15


**You have to switch the inequality due to multiplying negatives rule.

While dealing with inequalities, when multiplying negatives the inequality sign should switch to its opposite.

-3x > -15

x > 5

5 is lesser than x

hope it really helps...!!!

7.
Charlie and Dasha are roommates, and
they have a dog. If neither of them is
home, they hire someone to watch the
dog. Charlie must go on business trips
every 6 months, while Dasha must go on
business trips every 9 months. If they
both just got back from business trips,
how many months will it be before they
need to hire someone to look after the
dog again?

Explain your answer.

Answers

Answer:

   they wont need to hire someone for nine months.

Charlie will be gone in 6 months, while Dash has 3 more months after til she leaves.

Answer: 18 months

Step-by-step explanation:

If both of them aren't at home, then they hire someone to look after the dog. However, if Charlie is on a trip and Dasha isn't, they don't. So they would need to be at business trips at the same time and that means they will hire someone to look after the dog. So we find the LCM of 6 and 9 which is 18 months.

Which shows a perfect square trinomial? 50 y squared minus 4 x squared 100 minus 36 x squared y squared 16 x squared 24 x y 9 y squared 49 x squared minus 70 x y 10 y squared

Answers

The perfect square trinomial will be 16x² + 24xy + 9y². Expression 3 is correct. Ax + By + Cz are trinomials.

What are trinomials?

A mathematical expression with three terms or three monomials is called a trinomial. Polynomials having only three terms are known as trinomials.

The third expression seems to be the perfect square let's check it.

[tex]\rm 16x^2 + 24xy + 9y^2 \\\\ (4x)^2+ (2 \times 4x + 3y) + (3y)^2 \\\\ (4x + 3y)^2[/tex]

Hence the expression 3 is the perfect square.

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pls help me I need the answer with how u did it pls

Answers

Answer:

∠1, ∠3, ∠5 and ∠7 = 126°

∠2, ∠4, ∠6 and ∠8 = 54°

Step-by-step explanation:

∠3 + ∠4 = 180°

If ∠3 = 126°, ∠4 = 54°

The same applies for ∠1 and ∠2, ∠5 and ∠6, ∠7 and ∠8 respectively.

Therefore,

∠1  = 126°,

∠3 = 126°,

∠5 = 126°, and

∠7 = 126°

∠2 = 54°,

∠4 = 54°,

∠6 = 54°, and

∠8 = 54°

Malik deposits $4200 in an account that pays 3. 1% interest compounded weekly. What will be the value of the account in 5 years? Round to the nearest cent

Answers

hmmm now this is assuming is 3.1% per year, with a compounding period per week, now there are 52 weeks in a year.

[tex]~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$4200\\ r=rate\to 3.1\%\to \frac{3.1}{100}\dotfill &0.031\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{weekly, thus fifty two} \end{array}\dotfill &52\\ t=years\dotfill &5 \end{cases}[/tex]

[tex]A=4200\left(1+\frac{0.031}{52}\right)^{52\cdot 5}\implies A=4200\left( \frac{52031}{52000} \right)^{260}\implies A\approx 52775.70[/tex]

THIS IS REALLY URGENT!

In a shopping center, two rectangular windows have to be replaced with a base of 5 meters and a height of 4 meters. The cost of the glass is $72 per square meter, and the glazier requires $80 per glazing for labor. How much will the complete installation of the two windows cost?

Need step by step explanation + I’ll give brainliest. This is due tmr and I only have 1 hours left.

Answers

Answer:

$3040

Step-by-step explanation:

5*4 = 20

20*72=1440

1440x2=2880

80x2=160

160+2880=3040

Hope this helps! :)

Mrs. Williamson is projecting a slide on the wall. The image on the slide is 1.25 inches by 1.5 inches. The image projected on the wall is 20 inches by 24 inches. What is the scale factor of the dilation?

Answers

Answer:

Scale factor is 1:16

Step-by-step explanation:

1.25 x 16 = 20

1.5 x 16 = 24

The image on the wall is 16 times bigger than the image on the slide,
that is why the ratio is 1:16

Violet owns a small business selling clothing. She
knows that in the last week 53 customers paid
cash, 3 customers used a debit card, and 2
a
customers used a credit card.
Based on these results, express the probability
that the next customer will pay with cash or a
credit card as a decimal to the nearest
hundredth.

Answers

Answer:

0.95

Step-by-step explanation:

The probability that the next customer will pay with cash or a credit card is approximately 0.95 or 95%.

What is probability?

It is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

Example:

The probability of getting a head in tossing a coin.

P(H) = 1/2

We have,

To find the probability that the next customer will pay with cash or a credit card, we need to add the number of customers who paid with cash and the number of customers who paid with a credit card, then divide this sum by the total number of customers:

Number of customers who paid with cash or credit card.

= 53 + 2

= 55

Total number of customers

= 53 + 3 + 2

= 58

,

The probability that the next customer will pay with cash or a credit card is:

= 55/58

= 0.95 (rounded to the nearest hundredth)

Thus,

The probability that the next customer will pay with cash or a credit card is approximately 0.95 or 95%.

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Number 9 need help mathhh

Answers

Using the volume formula, we will see that the volume of the sphere is V = 381.51 cm^3

How to get the volume of the sphere?

For a sphere of radius R, the volume is given by the formula:

[tex]V = (\frac{4}{3})*3.14*R^3[/tex]

In this case, we can see that the diameter is 9 cm, then the radius is half of that:

R = 9cm/2 = 4.5cm

Now that we know the radius, we can replace it on the volume formula to get:

[tex]V = (\frac{4}{3})*3.14*(4.5cm)^3 = 381.51 cm^3[/tex]

If you want to learn more about spheres, you can read:

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Valeria wants to ride her bicycle 48 miles this week. She has already ridden 18 miles. If she rides for 4 more days, what is the average number of miles she would have to ride each day to meet her goal?

Answers

Subract what she rode already from total:

48-18 = 30

Divide by number of days:

30/4 = 7.5


she will need to ride 7.5 miles per day

The volume of the oblique prism is __ mm3. Assume the bases are a rectangular. Hint: Use Cavalieri’s Principle.

Answers

[tex]\bold{ANSWER:}[/tex]

72 mm^3

[tex]\bold{EXPLANATIONS:}[/tex]

Maya has 28 apples, 12 oranges, and 8 mangos. She wants to put an equal number of each kind of fruit into baskets so all the baskets will be the same. How many of each kind of fruit CAN MAYA FIND IN EACH BASKET
A. 4
B. 1, 2 or 4
C. 1 or 4
D. 1, 3, 4, 6, or 8

Answers

Answer:

4

Step-by-step explanation:

We need to find the greatest common factor aka (GCF)

Factors of 28: 1, 2, 4, 7, 14, 28

Factors of 12: 1, 2, 3, 4, 6, 12

Factors of 8: 1, 2, 4, 8

The factor that they all have is 4 so 4 is our answer :)

Have an amazing day!!

Please rate and mark brainliest!!!

forgot how to do dis
i need help with this and explain if you can

and i already tried the answers 18.85 and 28.27
so i don't know what the answer is HElp me

Answers

Answer: Please check the picture attached

Step-by-step explanation:

If area of cross section of a prism is A cm² and height h cm then find the volume​

Answers

Answer:

Volume= area of cross section*height

so, volume of prism = A*h

What is equivalent to 4 times the sum of 3 and x

Answers

Answer:

[tex]\huge\boxed{\bf\: 4 (x + 3) \: and \:  4x + 12 }[/tex]

Step-by-step explanation:

Let the variable be 'x'.

Sum of 3 and x = x + 34 times the sum of 3 and x = 4 (x + 3)

Expression : 4 (x + 3)

On expanding ,

4 (x + 3)

= (4*x) + (4*3)

= 4x + 12 ⟶ equivalent expression to the statement .

[tex]\rule{150pt}{2pt}[/tex]

HELP WHAT IS THE ANSWER TO THISS

Answers

The value of x is 113 because the 3 angles in a triangle add up to 180° so 180 subtracted by 28° and 39° gives the value of angle x.

The value of y is 67° because x and y are supplementary angles which means they add up to 180°. So 180-113 gives y.

The value of z is 49° because if you subtract the 180° that makes up the triangle from 67 and 64, you get 49.
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