3 years ago

Show What You Know: One-Step Equations

Mathematics

2 answers:

GREYUIT [131]3 years ago

6 0

I do believe the answer is C (sorry if it’s not)

ozzi3 years ago

5 0

I think c? I think...

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What is the point-slope equation of a line with slope-4 that contains the point (-2 7)\

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Answer:

y - 7 = -4 (x + 2)

Step-by-step explanation:

y - 7 = -4 (x + 2)

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At a school bake sale, all of the pies were cut into 6 pieces, so each person who bought a piece got ⅙ of a pie. Each slice sold

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In a local city, the temperature at noon is -3C The temperature is expected to decrease by 2.5C each hour until the temperature

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Writing the equation that governs this situation:

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at a baseball game, a vender sold a combined total of 138 sodas and hotdogs. the number of sodas sold was 30 more than the numbe

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3 years ago

Find an equation of the perpendicular bisector of the line segment whose endpoints are given.

REY [17]

Answer:

The equation of the perpendicular bisector line

5 x - 2 y + 31 =0

Step-by-step explanation:

<u><em> Explanation:-</em></u>

Given points are ( 0,1) and (-10,5)

The Midpoint of given two points

$(\frac{x_{1}+x_{2} }{2} , \frac{y_{1}+y_{2} }{2} )$

(-5 , 3)

The Slope of the line

m = $\frac{y_{2} -y_{1} }{x_{2}-x_{1} } = \frac{5-1}{-10} = \frac{-2}{5}$

The perpendicular slope

= $\frac{-1}{m} = \frac{-1}{\frac{-2}{5} } = \frac{5}{2}$

The equation of the perpendicular bisector line

$y - y_{1} = m (x - x_{1} )$

$y - 3 = \frac{5}{2} ( x-(-5))$

2 y - 6 = 5( x +5)

5 x + 25 -2y +6 =0

5 x - 2 y + 31 =0

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3 years ago