2 years ago

Please Help!!! I will give extra points and mark u brainiest!!!!!

Mathematics

2 answers:

klemol [59]2 years ago

8 0

Answer:

100 pi

Step-by-step explanation:

you do

4pi x 5 squared

marin [14]2 years ago

7 0

Answer:

100π cm²

Step-by-step explanation:

The surface area (A) of a sphere is calculated as

A = 4πr² ( r is the radius )

Here d = 10, thus r = 10 ÷ 2 = 5, so

A = 4π × 5² = 4π × 25 = 100π cm²

You might be interested in

What is the value of this expression when a = 4, b= -5, and c= -7? a + 2bc 3a ?

sladkih [1.3K]

Answer:

1) -66

Step-by-step explanation:

Given:

a=4

b=-5

c=-7

=a+2bc

=4+2*-5*7

=4+(-10*7)

=4-70

=-66

=3a

=3(4)

=12

Hope this helps ;) ❤❤❤

7 0

2 years ago

Read 2 more answers

Find the complex conjugate of z1 of z1=8+i

kakasveta [241]

Answer:

this is just math jargon... a conjugate is the same numbers but with an opposite sign.. got it?

Step-by-step explanation:

z1' ( the prime is often used for conjuates it's also used in calculus but later)

Z1' =8-i

8 0

2 years ago

kissa brought an item at Tsh 250,000/= she sold it by a certain price and got loss of 1/4 of the buying price. find the percenta

eimsori [14]

Answer:

Loss %age = 25%

Step-by-step explanation:

Cost Price of Item = 250,000/-

Loss = 1/4 = 0.25 of 250,000

=> 62,500 /-

%age Loss = $Loss*100/Cost Price$

=> 62,500 * 100 / 250,000

=> 6,250,000/250,000

=> 25 %

5 0

2 years ago

HELP ASAP FOR LOTS OF POINTS AND BRAAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

WARRIOR [948]

Answer:

Step-by-step explanation:

Hope this helped!

7 0

2 years ago

Simplify −2(2h+10)+4h

Anuta_ua [19.1K]

First distribute: -4h - 20 + 4h
Combine like terms: -20
The answer is -20

7 0

2 years ago

Read 2 more answers