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stepan [7]
3 years ago
12

Please helppp , 20 points for this question

Mathematics
1 answer:
Oksanka [162]3 years ago
6 0
I believe the answer would be d
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Solve each of the following equations for xx using the same technique as was used in the Opening Exercise.
Brrunno [24]

Answer:

The value of the x is 1/9.  

Step-by-step explanation:

Data provided in the question is:

3^2/x=81

To find out:-        

the value of x.

Solution for the equation:-    

3^2/x = 81\\9/x=81\\9/81=x\\1/9=x\\

On solving the given question or equation by using  mathematics of algebra we find out the value of x to be 1/9.

7 0
3 years ago
2(2x-1)-4(3x+1)=2 how to solve this
DiKsa [7]
If you need to find x.  The answer is x=1/-2.  Hope this helps!
7 0
3 years ago
the temperature started at 89°f. if the temperature went up 6°f and then down 12°f, how many degrees above or below the high is
Sonja [21]
The answer is 6 degrees below the high. 
89+6=95
95-12=83
4 0
3 years ago
Polly has 6 cookies Kate takes away 4 how many cookies does Polly have left
Tatiana [17]
2 because 6 minus 4 is 2

4 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=n%20%3D%2020" id="TexFormula1" title="n = 20" alt="n = 20" align="absmiddle" class="latex-form
devlian [24]

Answer:

s=10

Step-by-step explanation:

Basically, the range rule-of-thumb is that the range is generally about four times the standard deviation.

<u>First, we find the range:</u>

Range=Maximum-Minimum

Range=100-60

Range=40

<u>Next, divide the range by 4 to get the standard deviation</u>

Range=4(Standard Deviation)

40=4(Standard Deviation)

10=Standard Deviation

Therefore, s=10, which is the standard deviation

6 0
3 years ago
Read 2 more answers
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