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Ad libitum [116K]
4 years ago
13

Which ordered pair is the best estimate for the solution of the system of equations?

Mathematics
1 answer:
Brums [2.3K]4 years ago
7 0

For this case we have the following system of equations:

y = - \frac {3} {4} x-2\\y = x + 6

Equaling the equations we have:

- \frac {3} {4} x-2 = x + 6\\-2-6 = (1+ \frac {3} {4}) x\\-8 = \frac {7} {4} x\\-32 = 7x\\x = \frac {-32} {7}\\x = -4.57

The variable y:

y = -4.57 + 6 = 1.43

Thus, we can round the solution as:

(x, y): (- 4.5; 1.5)

It is verified with the graph

Answer:

Option C

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Travka [436]
In a geometric series each next term of the series is obtained by multiplying the previous term by a fixed number. This number is termed as the geometric ratio of the geometric series. 

For example in the series 2, 4, 8, 16, ... 

The geometric ratio is 2.

So the correct answer to this question is Option C, geometric ratio
8 0
3 years ago
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Alexxx [7]

Answer:

The answer to your question is:

12) C

13) AT = 29

Step-by-step explanation:

12)

Data

A (6, -3)

B (-6, 19)

midx = (x1 + x2) / 2                            midy = (y1 ´y2) / 2

midx = ( 6 - 6) / 2                               midy = (-3 + 19) / 2

midx = 0 / 2                                      midy = 16 / 2

midx = 0                                            midy = 8

               mid point = (0, 8)

13)

As A is the midpoint of CT then CA = AT

                                  2x - 19 = x + 5

                                  2x - x = 19 + 5

                                  x = 24

                AT = 24 + 5

                AT = 29

7 0
3 years ago
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3 years ago
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pantera1 [17]
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3 years ago
Lisa takes a taxi uptown, and the fare is $12.78. She wants to give the driver a 10% tip.
marishachu [46]

Answer:14:06

Step-by-step explanation:

Because because 10 percent of 12.78 is 1.28 then 1.28 + 12.78 = 14.06 so 14.06 is your answer

3 0
3 years ago
Read 2 more answers
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