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Lady bird [3.3K]
2 years ago
8

Write the equation of the

Mathematics
1 answer:
Jet001 [13]2 years ago
8 0

Answer:

y = \frac{1}{5} x+3  

Step-by-step explanation:

From the given information, we already know two points the line intersects. It states that the line has a y-intercept of 3. The y-intercept is the point at which the line intersects the y-axis. Thus, the line also intersects (0,3). (Remember that all points on the y-axis have an x-value of 0.) Now we have enough information to write an equation.  

1) Find the slope of the line with the slope formula, m = \frac{y_2-y_1}{x_2-x_1}. Substitute the x and y values of (-5,2) and (0,3) into the formula and solve:

m = \frac{(3)-(2)}{(0)-(-5)} \\m = \frac{3-2}{0+5}\\m = \frac{1}{5}

So, the slope of the line is \frac{1}{5}.

2) Now we can write the equation in slope-intercept form, represented by the formula y = mx + b. Substitute values for m and b in the formula.

The m represents the slope, so substitute \frac{1}{5} for it. The b represents the y-intercept, so substitute 3\\ for it. This gives the following answer and equation in slope-intercept form:  

y = \frac{1}{5} x+3

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Step-by-step explanation:

The formula for finding the coordinate of points when a line is externally divided in a given ratio is given by :

x = \frac{p x_{2}+q x_{1}}{p+q}

y = \frac{p y_{2}+q y_{1}}{p+q}

From the question

x_{1} = 2

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y = 1

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q = 4

substituting the values into the formula ,we have

x = \frac{p x_{2}+q x_{1}}{p+q}

4 = \frac{1(x_{2})+4(2) }{1+4}

4 = \frac{x_{2}+8}{5}

x_{2} + 8 = 20

x_{2} = 12

Also

y = \frac{p y_{2}+q y_{1}}{p+q}

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3 years ago
Xavier made 25 pounds of roasted almonds for a fair he has 3 and 1/2 pounds left at the end of the fair how many pounds of roast
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Step-by-step explanation:

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you just subtract 25 by 3 (1/2), and you get 21 (1/2).

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