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Nesterboy [21]
3 years ago
7

Find the distance between A (-6,-3) and B (-15, – 15).

Mathematics
1 answer:
Nonamiya [84]3 years ago
5 0

Answer:

15

Step-by-step explanation:

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A car that travels along the highway to Denver at a steady speed. When it begins, it is 300 miles from Denver. After 3 hours, it
umka21 [38]

Answer: y=-40x+300

Step-by-step explanation:

This car follows a line, hence its motion can be modeled by the Line equation.

In fact, we already have two points of the line, if we call x the time in hours and y the traveled distance in miles:

Point 1: (x_{1},y_{1})=(0,300)

Since we are told the car's initial position is 300 miles in the time 0 h

Point 2: (x_{2},y_{2})=(3,180)

Since we are told the car's final position is 180 miles after 3h

<u />

<u>Let's find the Slope m: </u>

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

m=-40  This is the slope of the line

Now, the equation of the line is:

y=mx+b

We already know the slope, now we have to find the intersection point with the y-axis (b) with any of the given points. Let's choose Point 1: (x_{1},y_{1})=(0,300)

300=-40(0)+b

Isolating b:

b=-300

Then, the equation of the line is:

y=-40 x+300

7 0
3 years ago
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The opposite of cubing is?
Ber [7]

Answer:

cube rooting?

Step-by-step explanation:

like the cubed root of something

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Write an equation to describe the relationship between the independent variable x and the dependent variable y.
AlexFokin [52]

Answer:

x=y+2

Step-by-step explanation:

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3 years ago
The sum of two whole numbers is 84, and their positive difference is 18.What are the two numbers? Please help
Vlad1618 [11]

Answer:

Step-by-step explanation:

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Please help <br><br>the question is beloww
madam [21]

Answer:

-8

Step-by-step explanation:

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