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PolarNik [594]
2 years ago
8

Name at least two independent variables that could result in a change in a monthly electric bill.

Mathematics
1 answer:
Olin [163]2 years ago
4 0

Answer:

The non-production machinery that uses electricity, the physical size of the items, the skill level of the operators, and the outdoor temperature and humidity could all be independent variables in the monthly electricity cost. Step-by-step explanation.

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What is the first step to solving the equation x/9 + 9 = 1/9
KiRa [710]
Subtract 1/9 - 9 to isolate the x term on the left side
7 0
3 years ago
Divide.<br><br> −2 4/7<br><br> Enter your answer as a mixed number, in simplified form, in the box.
Katarina [22]
Answer:
-3 \frac{3}{7} 

Explanation:
\frac{-24}{7} = -3 \frac{3}{7} 
So first make the improper fraction into a mixed number by taking out all the whole numbers from the numerator (3) and making sure the proper sign is in front of the answer (- 3) your remainder is the original numerator minus the product of the answer times the denominator: 24 - (3 • 7) = 24 - 21 = 3. Rewrite the mixed number.

3 0
3 years ago
What is the reciprocal of 8/9
Fed [463]

Answer: 1 1/8

Step-by-step explanation:

8/9

=9/8

=1 1/8

5 0
3 years ago
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Find the x- and y-intercept x + 4y = 36
gizmo_the_mogwai [7]

Answer:

x= 36 and y= 9

Step-by-step explanation:

because I said so. jk math

6 0
2 years ago
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A contractor records all of the bedroom areas, in square feet, of a five-bedroom house as: 100, 100, 120, 120, 180 What is the v
kifflom [539]
The variance is the total of the squared distances of the given data from the mean. 

This can be calculated through the equation,
        
                            σ² = summation of X² / N  - μ²

where σ² is the variance X's are the data, N is the number of terms, and μ is the mean.

   summation of X² = 100² + 100² + 120² + 120² + 180² = 81200
                          N = 5
                                        μ = (100 + 100 + 120 + 120 + 180) / 5
                                         μ = 124

Substituting these values to the equation for variance,
                                 
                              σ² = (81200/5) - 124² = 864

Thus, the variance is equal to 864. 
4 0
3 years ago
Read 2 more answers
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