question 1=30
question 3 =1/20
Step-by-step explanation:
question 1
- 300/2×5
- 300/10
- 300\10 you will take by 0 0
- so the ans is 30/1
- answer is 30
question 2 am not sure
question 3
- it is 20/1
- so the reciprovol of 20/1 is 1/20
- that's all I know for no 2 I will some one. thanks
Using the geometric mean concept, it is found that the value of a is 18.
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The geometric mean, of a data-set of n elements,
, is given by:
![G = \sqrt[n]{n_1 \times n_2 \times ... \times n_n}](https://tex.z-dn.net/?f=G%20%3D%20%5Csqrt%5Bn%5D%7Bn_1%20%5Ctimes%20n_2%20%5Ctimes%20...%20%5Ctimes%20n_n%7D)
That is, the nth root of the multiplication of all elements.
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In this question:
- Two elements(n = 2), a and 34.

Thus:

We find the square of each side, so:


Simplifying both sides by 17:



The value of a is 18.
A similar example is given at brainly.com/question/15010240
<span>One T-shirt is m dollars. The number of T-shirts is n. Amy bought 27 T-shirts.
27n = m, so n = m/27.</span><span>
Hope that helps! (:</span>
Answer:
Christopher practiced 3 ore hors
Step-by-step explanation: