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3 years ago

The radius of a sphere is multiplied by 1/7 . What effect does this have on the volume of the sphere?

Mathematics

2 answers:

Luden [163]3 years ago

8 0

Answer: D is correct.

Step-by-step explanation:

V1=4/3TTR^3

V2=4/3TT(R/2)^3

V2/V1=R^3/8 / R^3=1/8

SIZIF [17.4K]3 years ago

4 0

I think answer should be d. Please give me brainlest I hope this helps let me know if it’s correct or not thanks I appreciate it okay

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What is nth for 4, 8, 16, 32?

daser333 [38]

Answer: nth=4x

Step-by-step explanation: 4,8,16,32

So when x=1 nth=4

Then 4x should be the answer we need to find any term

7 0

3 years ago

Item 1 A bag contains 7 blue cards, 4 green cards, 6 red cards, and 8 yellow cards. You randomly choose a card. a. How many poss

egoroff_w [7]

Answer:

4 possible outcomes

Step-by-step explanation:

we know that

The probability of an event is the ratio of the size of the event space to the size of the sample space.

The size of the sample space is the total number of possible outcomes

The event space is the number of outcomes in the event you are interested in.

Let

x------> size of the event space

y-----> size of the sample space

$P=\frac{x}{y}$

In this problem

The probability of choose a blue card is

$x=7$

$y=7+4+6+8=25$

substitute

$P=\frac{7}{25}$

The probability of choose a green card is

$x=4$

$y=7+4+6+8=25$

substitute

$P=\frac{4}{25}$

The probability of choose a red card is

$x=6$

$y=7+4+6+8=25$

substitute

$P=\frac{6}{25}$

The probability of choose a yellow card is

$x=8$

$y=7+4+6+8=25$

substitute

$P=\frac{8}{25}$

The sum of the probabilities of the 4 possible outcomes is equal to

$\frac{7}{25}+\frac{4}{25}+\frac{6}{25}+\frac{8}{25}=\frac{25}{25}$ ----> represent the 100%

4 0

3 years ago

PLEASE PLEASE HELP the question is below

fiasKO [112]

Answer:

Step-by-step explanation:

First do parenthesis:

3*(9+1)-6 -> 3*(10)-6

Then do multiplication:

3*(10)-6 -> (30)-6

Then complete it with subtraction:

(30)-6 -> (24)

So your answer would be 24!

PEMDAS= Parenthesis, Exponents, Multiplication, Division, Add, Subtract.

7 0

3 years ago

Read 2 more answers

I don’t quite understand this problem could someone help me please

ale4655 [162]

Answer:

$\frac{7\sqrt{65}}{65}$

Step-by-step explanation:

Cosine is the ratio of the side adjacent to the angle and the right triangle hypotenuse.

$cos$ B = $\frac{7}{\sqrt{65}}$ = $\frac{7\sqrt{65}}{65}$

3 0

2 years ago

Use common denominators to determine whether the ratios form a proportion.

AURORKA [14]

They are not in proportion, since its 6:9 round it down (2:3) so pretend the 6 are apples and the 9 are oranges

Every 2 apples there are 3 oranges

So having 9 apples what is that?

2 x ? = 9

2 x 4.5 = 9

So if you want to keep 2:3 you have you times the oranges by 4.5 aswell!

3 x 4.5 = 13.5

So since it is 9:12 not 9:13.5 they are not in proportion

7 0

4 years ago

Read 2 more answers