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OleMash [197]
3 years ago
8

What is the point-slope form of a line that has a slope of –4 and passes through point (–3, 1)?

Mathematics
1 answer:
svet-max [94.6K]3 years ago
7 0

Answer:

y - 1 = - 4(x + 3)

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Here m = - 4 and (a, b) = (- 3, 1), thus

y - 1 = - 4(x - (- 3)), that is

y - 1 = - 4(x + 3)

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Answer: 60 degrees

Step-by-step explanation: triangles are come to 180 if you add all angles correctly. therefore if you do 180-90-30, you'll get 60.

4 0
2 years ago
Which is the equation of a line that passes through the points (1,4) and (-1,1)
horsena [70]

Answer:

The equation of the line is y = 3/2x + 5/2

Step-by-step explanation:

To find the equation of this line, start by using the two points with the slope formula to find the slope.

m(slope) = (y2 - y1)/(x2 - x1)

m = (4 - 1)/(1 - -1)

m = 3/(1 + 1)

m = 3/2

Now that we have the slope, we can use that and either point in point-slope form to find the equation.

y - y1 = m(x - x1)

y - 4 = 3/2(x - 1)

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3 0
2 years ago
What does x equal? 2x-8=2x+6+x
Charra [1.4K]
2x-8=2x+6+x    first put all the like terms together
2x-8=3x+6        subtract 2s from both sides
-8=x+6               subtract 6 from both sides
-14=x                  then it is your final answer! 

Hope this helps! Please give me the brainliest answer if you like it! If you have further questions, please leave a comment or add me as a friend!

7 0
3 years ago
Read 2 more answers
What is the value of the expression 1/2 (m-2/3n) when m=3/2 and n= 1/2 ?
yawa3891 [41]

Answer:

B.\frac{7}{12}

Step-by-step explanation:

m=\frac{3}{2}\\n=\frac{1}{2\\} \\\frac{1}{2} (m-\frac{2}{3} n)=\frac{1}{2} (\frac{3}{2} -\frac{2}{3} .\frac{1}{2} )\\=\frac{7}{12}

So B is the correct answer.

4 0
2 years ago
Natalie buys a basketball for $25.57 and an air pump for $15.61. How much change will she receive if she pays for both items wit
DaniilM [7]

Answer:

8.82

Step-by-step explanation:

Add the basketball and airpump together and subtract from 50

3 0
3 years ago
Read 2 more answers
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