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Citrus2011 [14]
3 years ago
9

What is an equation of the line that passes through the points (3,1) and (6,6)?

Mathematics
1 answer:
koban [17]3 years ago
5 0
<h3>The equation of the line that passes through the points (3,1) and (6,6) is:</h3>

y = \frac{5}{3}x -4

<em><u>Solution:</u></em>

Given that,

We have to find the equation of the line that passes through the points (3,1) and (6,6)

<em><u>Find the slope of line</u></em>

m = \frac{y_2-y_1}{x_2-x_1}

From given,

(x_1, y_1) = (3, 1)\\\\(x_2, y_2) = (6, 6)

Substituting the values we get,

m = \frac{6-1}{6-3}\\\\m = \frac{5}{3}

<em><u>The slope intercept form of line is given as:</u></em>

y = mx + c ------ eqn 1

Where,

m is the slope

c is the y intercept

Substitute m = 5/3 and (x, y) = (3, 1) in eqn 1

1 = \frac{5}{3} \times 3 + c\\\\1 = 5 + c\\\\c = -4

Substitute m = 5/3 and c = -4 in eqn 1

y = \frac{5}{3}x -4

Thus the equation of line in slope intercept form is found

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x=Money after withdrawals.

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x=450-600

x=-250

After making 3 $200 withdrawals from his account after initially starting with $450 he has a balance of negative $250 in his account.

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2 years ago
A car whose acceleration is constant reaches a speed of
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Answer:

  12.5 s

Step-by-step explanation:

If acceleration is constant, speed is proportional to time. To increase the speed by 50 km/h, the car will need an additional time given by ...

  t/(50 km/h) = (20 s)/(80 km/h)

  t = (20 s)(50/80) . . . . . multiply by 50 km/h

  t = 12.5 s

It will take 12.5 more seconds for it to reach a speed of 130 km/h.

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3 years ago
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Step-by-step explanation:

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2 years ago
Which lines are perpendicular to the line y – 1 = (x+2)? Check all that apply.
Ilya [14]

Answer:

none of them

Step-by-step explanation:

Two lines are perpendicular when satisfy the next equation: m1*m2 = -1, where m1 and m2 are the slopes o the lines.

line 1:  

y – 1 = (x+2)

y = x + 3

slope of line 1 = 1

line 2:  

y + 2 = –3(x – 4)

y + 2 = -3*x + 12

y =  -3*x + 10

slope of line 2 = -3

m1*m2 = 1*(-3 ) = -3

They are not perpendicular

line 3:  

y − 5 = 3(x + 11)

y − 5 = 3*x + 33

y = 3*x + 38

slope of line 3 = 3

m1*m3 = 1*3 = 3

They are not perpendicular

line 4:  

y = -3x –  

slope of line 4 = -3

m1*m4 = 1*(-3 ) = -3

They are not perpendicular

line 5:  

y = x – 2

slope of line 5 = 1

m1*m5 = 1*1 = 1

They are not perpendicular

line 6:  

3x + y = 7

y = -3x + 7

slope of line 6 = -3

m1*m6 = 1*(-3 ) = -3

They are not perpendicular

5 0
3 years ago
Read 2 more answers
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