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svetoff [14.1K]
4 years ago
14

Find the slope of the line through each pair of points (-12,-17),(-2,11)

Mathematics
1 answer:
I am Lyosha [343]4 years ago
5 0
The slope is 2.8

Happy studying!
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How many solutions does the following system have x+y=3, 2x+2y-5
kap26 [50]

Answer:

Step-by-step explanation:

x + y = 3

2x + 2y = 5

-2x - 2y = -6

2x + 2y = 5

0 not equal to -1

no solution

7 0
3 years ago
10) 113 = x - 3(6x + 2)
xeze [42]

Answer:

x = -7

Step-by-step explanation:

First, you must distribute the -3 to the numbers in the parenthesis. You will get -18x - 6. the problem is now 113 = x - 18x - 6. With inverse operations this will become 119 = -17x. Divide 119 by -17 and you will get -7.  x = -7.

5 0
3 years ago
Read 2 more answers
The graph shows a proportional relationship. what is the constant proportionality?
Drupady [299]

Answer:

21

Step-by-step explanation:

21 is the constant of proportionality.

5 0
3 years ago
Which represents the solution of the graphed system of equations, y=x^2-2x and y=-2x-1
elena55 [62]

Answer:

x = √(-1) = i

Since the value of √(-1) is not real.

The system has no real solution.

Step-by-step explanation:

The solution to the system of equations is at the point where they intercept each other.

y1 = y2

For the given equation;

y=x^2-2x and y=-2x-1

To get the where they intercept, we will equal both equations;

y=x^2-2x = -2x-1

x^2 - 2x = -2x - 1

x^2 - 2x + 2x + 1 =0

x^2 +1 = 0

x^2 = -1

x = √(-1) = i

Since the value of √(-1) is not real.

The system has no real solution.

6 0
4 years ago
The sales rate is 8%. If Janelle buys a gymnastics mat priced at $87 , how much tax will she pay?
Oliga [24]

Answer: $6.96

Step-by-step explanation:

To find out what 8% of $87 is, you have to convert the 8% into decimal form which is 0.08. Then you have to multiply  that by $87

87*0.08 = 6.96

Now, we know $6.96 is 8% of $87 which is how much she will be paying in tax

7 0
3 years ago
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