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erastova [34]
3 years ago
7

Marta is solving the equation S = 2πrh + 2πr^2 for h. Which should be the result?

Mathematics
2 answers:
stiks02 [169]3 years ago
8 0

Answer:

Lette answer is A

Step-by-step explanation:

olga_2 [115]3 years ago
7 0

Answer:

h = \frac{S}{2πr} - r


Step-by-step explanation:

The question requires you to make h the subject of the formula.

S = 2πrh + 2πr²

subtract 2πr² on both sides.

S - 2πr² = 2πrh - 2πr² -  2πr²

S - 2πr² = 2πrh

Dividing both sides by  2πr

(S -  2πr²)/2πr =  2πrh/ 2πr

h = \frac{S}{2πr} - r


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2x + 4
german

Answer: x = 0

because the shape is a square

=> 2x + 4 = 4

⇔ 2x = 0

⇔ x = 0

Step-by-step explanation:

7 0
3 years ago
I'm helping someone with her daughter's homework. What is the term for this definition: take a part a number to write it in a ne
mihalych1998 [28]

Answer:

hello mate.. i am glad ur helping someone for her hw.. nice nice

well as per my understanding

'' take apart a number to write it in a new way ''

this answer must be '' subtraction''

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8 0
3 years ago
Find the 9th term of the geometric sequence whose common ratio is 1/3 and whose first term is 2.
raketka [301]

Answer:

2/6561

Step-by-step explanation:

Geometric sequence formula : a_n=a_1(r)^n^-^1

where an = nth term, a1 = first term , r = common ratio and n = term position

given ratio : 1/3 , first term : 2 , given this we want to find the 9th term

to do so we simply plug in what we are given into the formula

recall formula : a_n=a_1(r)^n^-^1

define variables : a1 = 2 , r = 1/3 , n = 9

plug in values

a9 = 2(1/3)^(9-1)

subtract exponents

a9 = 2(1/3)^8

evaluate exponent

a9 = 2 (1/6561)

multiply 2 and 1/6561

a9 = 2/6561

7 0
2 years ago
4^3 = ?<br><br>A. 64<br>B. 7<br>C. 12<br>D. 1
Alexxandr [17]

By defining how exponents work, we conclude that 4^3 = 64, so the correct option is A.

<h3>How to find the cube of 4?</h3>

Let's remember how exponents work.

If we have a number a to the exponent n:

a^n

It means that we need to multiply the number a by itself n times.

Then, in this case:

4^3

Can be rewritten to.

4*4*4

Now we can solve that product:

4*4*4 = (4*4)*4 = 16*4 = 64

Then we conclude that the correct option is A

4^3 = 64

If you want to learn more about exponents:

brainly.com/question/847241

#SPJ1

8 0
1 year ago
A bag contains 3 white marbles, 2 black marbles, and 5 red marbles. Find the probability of picking a red marble
likoan [24]

Answer:

the probability is 50%

5 0
3 years ago
Read 2 more answers
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