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fenix001 [56]
3 years ago
12

The goal of the elimination method is the same as the goal of the substitution method. The goal is:

Mathematics
1 answer:
dlinn [17]3 years ago
5 0
To have all positive terms I think
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Which equation represents a line that passes through (–9, –3) and has a slope of –6?
Dahasolnce [82]
<h2>Hello!</h2>

The answer is:

The last equation,

y+3=-6(x+9)

<h2>Why?</h2>

To find which of the given equations represents a line that passes through the point (-9,-3) and has a slope of -6, we need to find an equation that can be satisfied by evaluating the given point.

We can see that the only equation that can be satisfied evaluating the point (-9,-3) is the last equation:

y+3=-6(x+9)

Evaluating the point, we have:

-3+3=-6*(-9+9)

0=-6*(0)

0=0

We can see that the equation is satisfied!

Also, we can see that evaluating the point into the other equations, they will not be satisfied.

Let's prove that:

Evaluating:

First equation:

y-9=-6(x-3)\\-3-9=-6*(-9-3)\\-12=-6*(-12)=72

The equation is not satisfied.

Second equation:

y+9=-6(x+3)\\-3+9=-6*(-9+3)\\6=-6*(-6)=36

The equation is not satisfied.

Third equation:

y-3=-6(x-9)

-3-3=-6(-9-9)

-6=-6(-18)=108

The equation is not satisfied.

Hence, the correct option is the last option, the equation that represents a line that passes through (–9, –3) and has a slope of –6 is the last equation:

y+3=-6(x+9)

Have a nice day!

Note: I have attached a picture for better understanding.

5 0
3 years ago
Read 2 more answers
R − 38 = 9<br> please solve the equation
Karolina [17]

Answer:

r = 47

Step-by-step explanation:

r - 38 = 9

r- 38 + 38 = 9 + 38

simplify

r = 47

8 0
3 years ago
Read 2 more answers
How much will you have contributed to a 20 payment life insurance policy that has a face value of $45200 over a 15 year period g
Elena-2011 [213]

Answer:

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BSBUPSYISGU9DHh79si0f5 su9hstufevy9hvostifwvgietcdct7cutsbuosxutvuisvyictisvuosctudbuof8a6buoaupvsfitvyosvoypgudigvdviydgyodvogyodhu9hfhougdhupdhuprbru0he0ury8oftidgjvn

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5 0
3 years ago
A welder charges a one-time fee and an hourly
Reptile [31]

Answer:

y=22h+18, where h is the working hour, y is the charge

Step-by-step explanation:

6 0
3 years ago
78.84 meters= Centimeter
ValentinkaMS [17]

Answer:

7884 Centemeters

Step-by-step explanation:

7 0
3 years ago
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