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Alexandra [31]
4 years ago
7

2. In a certain year, solar and wind energy generation totaled 1037 Trillion Btu’s. Wind generated 56 Trillion Btu's more than e

ight times that generated by solar energy. How much was generated by each source?
Mathematics
1 answer:
GaryK [48]4 years ago
5 0
The sum of solar energy can assumed as 'x', so it is easy to conclude that the sum of wind energy is '8x+56'. From the above assumption, we can easily get that 'x+8x+56=1037', to solve thi<span>s equation and get tha</span>
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What is an algebraic expression for a number n divided by 4
Morgarella [4.7K]

n/4 because all it wants is a number which is expressed by n divided by 4



8 0
3 years ago
Which system of equations is represented by the matrix below? 1 5 11 4 -6-3 A. y + 5x = 11 4y - 6x = -3 B. X+ 5y = 11 4x - 6y =
Vitek1552 [10]

Answer: Choice B

x+5y = 11\\4x-6y = -3

=====================================

Explanation:

The given matrix is

\left[\begin{array}{cc|c}1&5&11\\4&-6&-3\end{array}\right]

The numbers to the right of the vertical bar represent the values on the right hand side of each equation in the final answer.

The numbers to the left of the bar represent the x and y coefficients of the equations. The first number of any given row is the x coefficient. The second number is the y coefficient.

For instance, the first row has \begin{array}{cc}1&5\end{array} to indicate the x coefficient is 1, and the y coefficient is 5. We end up with 1x+5y or simply x+5y. Putting everything together, the first equation would be x+5y = 11

Through similar steps, the second equation is  4x-6y = -3

3 0
3 years ago
If the product of the integers a, b, and c is 1, then what is the difference between the largest and the smallest possible
stepladder [879]
Since there are no multiples other than 1 and -1 that could multiply in any way to equal 1, those are the only numbers you can really work with

it is a possibility that a, b, and c could equal 1 but then it would go wrong when comes time to subtract since all numbers are equal and cannot subtract largest from smallest.

a logical approach would be to try -1, -1, and 1 since -1 * -1 = 1 and then 1* 1 =1

we can make a= -1 , b= -1, and c= 1
 (we need b to equal -1 so that we get an answer of -1 opposed to if we made a=-1 and c=-1, all outcomes would equal 1)
-1²=1
-1³=-1
1⁴= 1
since 1 is the largest possible outcome and -1 is the lowest possible outcome you should subtract the two

1-(-1) = 1+1 = 2

The answer should be D: 2
 
hoped this helped at all!
5 0
3 years ago
These factors describe the economic situation in Sub-Saharan Africa.
lana66690 [7]
The appropriate response is second and fourth.Natural assets are utilized to pay off worldwide obligation and feeble government frameworks obstruct monetary improvement are the elements portray the financial circumstance in Sub-Saharan Africa.
3 0
3 years ago
Read 2 more answers
Enter the answer to the problem below, using the correct number of
Setler [38]

Answer:

<h2><em>55.112</em></h2>

Step-by-step explanation:

This is correct all you do is add them up like this:

30.27

  1.9

+22.952

________

55.112

7 0
3 years ago
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