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3 years ago

If K is between J and L then JK + KL = JL

Mathematics

2 answers:

Aleksandr [31]3 years ago

3 0

I think that that is true

nalin [4]3 years ago

3 0

Yes this is true. K is between J and L. So that will make it JKL. SO a segment JL. With k in the middle. Jk will be half of JL and Kl is the other half. Therefore jk+kl=jl

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3 years ago

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Find the slope of the line that is (a) parallel and (b) perpendicular to the line through the pair of points.

ddd [48]

Answer:

a) The slope of the line is parallel to the another line m=4

b) The slope of the line is perpendicular to the another line m= $\frac{-1}{4}$

Step-by-step explanation:

Step1:-

Slope of a line :-

If θ is the inclination of a line 'l' then tanθ is called the slope or gradient of the line 'l'.The slope of a line is denoted by m=tanθ

The slope of a line given two points m= $\frac{y_{2}-y_{1} }{x_{2} -x_{1} }$

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Two non-vertical lines are parallel if and only if their slopes are parallel

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Two non-vertical lines are perpendicular to each other if and only if their slopes are negative reciprocals of each other.

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Step 2:-

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$m = \frac{0-(-4)}{0-(-1)} =4$

Two non-vertical lines are parallel if and only if their slopes are parallel

$m_{1} = m_{2}$

Therefore the slope of the line that is parallel to the another line

$m_{1} =m_{2} =4$

Step 3:-

b) Two non-vertical lines are perpendicular to each other if and only if their slopes are negative reciprocals of each other.

$m_{2} = \frac{-1}{m_{1} } \\$

$m_{2} =\frac{-1}{4}$

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$m=\frac{-1}{4}$

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3 years ago

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Answer:

Step-by-step explanation

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3 years ago

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statuscvo [17]

The formula can be used to determine how many students are required to earn $1,500 in profit.t:

5.n - 100 - 200 = 1500.

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Ax + By = C is the standard form of a two-variable linear equation. This equation contains the variables x and y, the coefficients Both a B, as well as the constant C.

<h3>According to the given data:</h3>

Given that the no. of students is n.

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