3 years ago

2x +4>- 6 and 5x -12<3

Mathematics

1 answer:

pantera1 [17]3 years ago

3 0

Step-by-step explanation:

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Helena wrote the equation using point-slope form for the line that passes through the points (5, 1) and (3, 5). Analyze the step

viva [34]

Answer:

In step 2, she didn’t use an x and y from the same coordinate pair

Step-by-step explanation:

see the attached figure to better understand the problem

we have the points (5, 1) and (3, 5)

step 1

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute

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

$m=\frac{4}{-2}$

$m=-2$

step 2

The equation of the line in point slope form is

$y-y1=m(x-x1)$

take the point (3,5)

$m=-2$

substitute

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$y-5=-2x+6$

$y=-2x+6+5$

step 3

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therefore

In step 2, she didn’t use an x and y from the same coordinate pair

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Solve 31-X + (2 x + 1)] = x - 1.

Kobotan [32]

Answer:

x = X + 33 (I am guessing "x" and "X" are not the same. "x" is a variable and "X" is a constant.)

Step-by-step explanation:

31 - X + (2x+1) = x - 1

or, 2x+1 = x - 1 - 31 + X

or, 2x - x = -1 -31 + X -1

or, x = -2 -31 + X

or, x = X - 33

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3 years ago

I need help getting the answer

wolverine [178]

Answer: a = 64

Step-by-step explanation: the equation for area is a=lw. a = 16(4) which is equal to 64.

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2x +4>- 6 and 5x -12<3​

2x +4>- 6 and 5x -12<3