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ollegr [7]
3 years ago
9

Solve for the indicated variable in each mathematical formula

Mathematics
1 answer:
Ugo [173]3 years ago
6 0

Answer:

r=c/2π

Step-by-step explanation:

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1) A number which has more than two
Nutka1998 [239]

Answer:

C) Composite Number

Step-by-step explanation:

The composite number is one which has more than two factors.

eg:- 4,6,9,12,15 etc......

hope so it helped you

6 0
3 years ago
The value of the circumference of circle A with a diameter of 27 cm is three times the value of the area of circle B. What is th
Leya [2.2K]
The answer is 3 cm.

Circle A's diameter is 27, right? However, circle A is 3 times the value of the area of B. Because of that, you need to do 27/3, the inverse, in order to get the diameter of circle B. 

Next, because radius is half of the diameter, you do 9 divided by 3 or 9 times 1/2.

7 0
2 years ago
3/9 + 3/9 = ??????????????
blsea [12.9K]

3/9 + 3/9 = 6/9

We know that 6/9 can still be simplifed.

So 6/9 will be divided by three.

= 2/3 is the answer.

8 0
3 years ago
Read 2 more answers
Differentiating a Logarithmic Function in Exercise, find the derivative of the function. See Examples 1, 2, 3, and 4.
ludmilkaskok [199]

Answer:

\dfrac{dy}{dx}=- \dfrac{1}{\left(x - 1\right) \left(x + 1\right)}

Step-by-step explanation:

Given:

y = \ln{\left(\dfrac{x + 1}{x - 1}\right)^{\frac{1}{2}}

using the properties of log we can take the power 1/2 and multiply it.

y = \dfrac{1}{2}\ln{\left(\dfrac{x + 1}{x - 1}\right)

now we can differentiate:

\dfrac{dy}{dx} = \dfrac{1}{2}\dfrac{1}{\left(\dfrac{x + 1}{x - 1}\right)}\left(\dfrac{d}{dx}\left(\dfrac{x+1}{x-1}\right)\right)

\dfrac{dy}{dx} = \dfrac{1}{2}\left(\dfrac{x - 1}{x + 1}\right)\left(- \dfrac{2}{\left(x - 1\right)^{2}}\right)

\dfrac{dy}{dx}=- \dfrac{1}{\left(x - 1\right) \left(x + 1\right)}

this is our answer!

8 0
3 years ago
What is the least common denominator of 1/3 and 4/7?
jolli1 [7]

Answer:

21

Step-by-step explanation:

The denominators are 3 and 7 and those are both odd numbers.

You can not get a number lower than 21. Therefore 21 is the LCM (Lowest common denominator.)  

Hope this helps :)

5 0
3 years ago
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