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Tems11 [23]
3 years ago
13

Explain the process to solve the equation. Use proper vocabulary in your explanation.

Mathematics
2 answers:
tankabanditka [31]3 years ago
5 0

Answer:

Your goal is to isolate the x. This is a multiplication problem, so use the inverse operation, which is division. Divide both sides of the equation by  

1

4 by multiplying by the reciprocal, 4. (−  

5

8)(4) is −  

5

2. Use substitution to check the answer. x = −  

5

2

e-lub [12.9K]3 years ago
3 0

Answer:

x=-\frac{5}{2}

Step-by-step explanation:

The first step to take is multiplying the 4 to both sides of the equation. Giving you One x= negative 5/2

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A manufacturing company produces engines for light aircraft . The graph shows the number of engine produced each year since the
photoshop1234 [79]

Answer:

y=13x+32

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Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.  

Please have a look at the attached photo.  

My answer:

From a look at the photo and the data plot can be represented by the function, so we can pick 2 points in our given graph

  • (x1, y1) = (2,60)
  • (x2, y2) = (5,99)

The standard form of a linear equation is:

y = mx + b where:

  • m is the slope
  • b is the y-intercept

We know the slope of the function can be found as following:

m = \frac{y2 - y1}{x2 - x1}  so in this situation we have:

<=> m=\frac{99-60}{5-2}=\frac{39}{3}=13

=> y = 13x + b (1)

Because the line goes through point  (2,60) so we substitute it into (1):

60 = 13*2 + b

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=> y = 13x + 34

Now we will substitute x=9 to find the engines produced by company in 9th year as:

y=13(9)+32\\y=117+32=149

Hence, the company will produce 149 engines in 9th year

6 0
3 years ago
On line A, each time x increases by 1 y increases by
kompoz [17]

Answer:

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Step-by-step explanation:

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Answer:

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Therefore, the answer would be that the checking account is overdrawn by $15.

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Their money rate is the same as ours so  $150- 20= $ !30

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