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saw5 [17]
2 years ago
10

Which expression gives the surface area of a sphere with radius r?

Mathematics
1 answer:
Leviafan [203]2 years ago
5 0

Answer:

Area of sphere is given by 4 · \pi · r^2

Step-by-step explanation:

The surface area of sphere is given by:

Area of sphere =4 · \pi · r^2

Option C and D are correct but  is missing in the options

Option A and B are incorrect.

\pi =3.14 to solve the area of sphere when radius is given a constant value.

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In 3-4 sentences, describe how you would find a line parallel to the line 2x + 5y = 15 that goes through the point (-10, 1). Be
larisa86 [58]

the parallel line is 2x+5y+15=0.

Step-by-step explanation:

ok I hope it will work

soo,

Solution

given,

given parallel line 2x+5y=15

which goes through the point (-10,1)

now,

let 2x+5y=15 be equation no.1

then the line which is parallel to the equation 1st

2 x+5y+k = 0 let it be equation no.2

now the equation no.2 passes through the point (-10,1)

or, 2x+5y+k =0

or, 2*-10+5*1+k= 0

or, -20+5+k= 0

or, -15+k= 0

or, k= 15

putting the value of k in equation no.2 we get,

or, 2x+5y+k=0

or, 2x+5y+15=0

which is a required line.

6 0
1 year ago
A basketball player's total points scored for the season went from 158 to 231 over a period of 5 games. What was his scoring rat
Len [333]

Answer:

14.6

Step-by-step explanation:

(231 - 158) / 5 = 14.6

6 0
3 years ago
Solve for x. 2x = 15 x user: when negative five is subtracted from a number the result is 10. find the number.
Svetllana [295]
The answer to this is x= 7.5
7 0
3 years ago
4.in a recent year, the population of california was about 2.52x10^7 people. its land area is about 4.05x10^5 km^2. what was the
rjkz [21]
As given;

2.52x10^7 people are living in <span>4.05x10^5 km^2 area. then for 1km^2, the number of people can be calculated as:
people in 1km^2 = (2.52x10^7) / (</span><span>4.05x10^5)
=0.62x10^2
or
=6.2x10^1</span>
7 0
3 years ago
Read 2 more answers
What is the dividend yield on Stock A that sells at
stira [4]

Answer:

  5.3%

Step-by-step explanation:

The annual dividend is 4 times the quarterly dividend, so is $0.80 per share. The yield is the ratio of that to the share price:

  yield = $0.80/$15.00 ≈ 0.05333... ≈ 5.3%

The dividend yield is 5.3%.

6 0
2 years ago
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