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soldier1979 [14.2K]
3 years ago
11

What is the geometric mean of 2/5 and 490

Mathematics
1 answer:
natta225 [31]3 years ago
8 0

Answer:

14

Step-by-step explanation:

Geometric mean = nth root (product of individual values of set of data)

from the question, n=2,

product of individual values of set of data= 2/5*490 = 196

Therefore Sqrt (196) =14

NB: As n is 2, we use sqrt, if n is 3, we use cube root and so on

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nirvana33 [79]
(8x^2+2x+8)+(3x^3+7x+4)=
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If you havent learnt Sin, Cos yet, let me know, so we can try the other solutions.

6 0
3 years ago
You will be brainliest please list correct answer and the mistake he made
anzhelika [568]

<em>Hey There!!</em>

<em>The answer is below!!</em>

Step-by-step explanation:

We move all terms to the left:

-6n+22-(-4n+14-10n+22)=0

We add all the numbers together, and all the variables

-6n-(-14n+36)+22=0

We get rid of parentheses

-6n+14n-36+22=0

After that, We add all the numbers together, and all the variables

8n-14=0

Then, We move all terms containing n to the left, all other terms to the right

8n=14

n=14/8

n=1+3/4

<em>I don't know this is </em>100% right....

So.....GoodLuck!!

#Be Bold

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5 0
2 years ago
Maureen went on a 3 day 50 mile trip. the first day she biked 17 7/8 miles . the second day she biked 18 5/7 miles. How many mil
Inessa [10]
To find the miles for 3rd day, we take away the miles she biked for the first two day from the total.

   50 - 17 \dfrac{7}{8} - 18\dfrac{5}{7}

=50 - 17 \dfrac{7 \times 7}{8 \times 7} - 18\dfrac{5 \times 8}{7 \times 8}

= 48 \dfrac{112}{56}  - 17 \dfrac{49}{56} - 18\dfrac{40}{56}

= 13 \dfrac{23}{56}   \text { miles }

-----------------------------------------------------------------------------------
Answer: She traveled 13 23/56 miles on the third day.
-----------------------------------------------------------------------------------
7 0
3 years ago
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