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kifflom [539]
3 years ago
8

Math question plz help me

Mathematics
1 answer:
Minchanka [31]3 years ago
8 0

Answer:

The required equation of the line is:

y=\frac{1}{4}x-1

Step-by-step explanation:

Given the equation

y=-4x+3

comparing the equation with the slope-intercept form

y=mx+b

Here,

  • m is the slope
  • y is the intercept

so the slope of the line is  -4.

As we know that the slope of the perpendicular line is basically the negative reciprocal of the slope of the line, so

The slope of the perpendicular line will be: 1/4

Therefore, the point-slope form of the equation of the perpendicular line that also intersects the point (8, 1) is:

y-y_1=m\left(x-x_1\right)

y-1=\frac{1}{4}\left(x-8\right)

add 1 to both sides

y-1+1=\frac{1}{4}\left(x-8\right)+1

y=\frac{1}{4}x-1

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8 0
3 years ago
A car starts with a dull tank of gas. After driving around 5he city, 1/7 of the gas has been used. With the rest of the gas in t
Sati [7]

Answer:

\frac{2}{7}

Step-by-step explanation:

Given:

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Question asked:

What fractions of a tank of gas does each complete trip to Ottawa use?

Solution:

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Remaining fuel after driving around the city = 1 - \frac{1}{7}

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According to question:

As from the rest of the gas in the car that is \frac{6}{7}, the car can complete 3 trip to Ottawa  which means,

By unitary method:

The car can complete 3 trip by using = \frac{6}{7} tank of gas.

The car can complete 1 trip by using =  \frac{6}{7} \div 3

                                                             =\frac{6}{7} \times\frac{1}{3}

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Step-by-step explanation:

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Answer:

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