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IRINA_888 [86]
3 years ago
6

How do I use substitution to solve

Mathematics
2 answers:
nekit [7.7K]3 years ago
4 0
<span>The method of solving "by substitution" works by solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation, "substituting" for the chosen variable and solving for the other. Then you back-solve for the first variable.</span>
Olin [163]3 years ago
3 0
We can substitute y in the second equation with the first equation since y = y. Thesolution<span> of the linear </span>system<span> is (1, 6). You can </span>use<span> the </span>substitution<span> method even if both equations of the linear </span>system<span> are in standard form. Just begin by </span>solving<span> one of the equations for one of its variables.</span>
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What is the equation for the line that passes through (3, 2) and has a slope<br> equal to 12<br> 3
Papessa [141]

Answer:

Step-by-step explanation:

Remark

I'm not sure I know what you intend for the slope. I will take it as 12/3 = 4

If that is the case then what you have so far is

Solution

y = 4x + b

The given point determines b

<em>Givens</em>

x = 3

y  = 2

<em>Given point</em>

2 = 4*3 + b

2 = 12 + b

b = 2 - 12

b = -10

The equation is y = 4x - 10

3 0
3 years ago
Which is greater 10,000ML or 10L of juice
elena-14-01-66 [18.8K]
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8 0
4 years ago
RJ solves a math problem on the whiteboard using the Powers of Products Property. Is his answer correct? Explain.
jeyben [28]
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6 0
3 years ago
Read 2 more answers
Which pairs of rectangles are similar polygons?
kobusy [5.1K]

the longer side / the shorter side must be the same for rectangles to be similar.

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For  B:  120 / 90  =  1.33

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So... only  A  and  B are similar.

3 0
4 years ago
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Solve for x:<br><br> 40= x/(−4/7)​<br><br> x=?
ElenaW [278]

Answer:

x=70

Step-by-step explanation:

                  40= x

-4/7    *            ___      *    -4/7

                       -4/7

70=x

5 0
3 years ago
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