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Vladimir [108]
3 years ago
10

A train is traveling from New Orleans to Memphis at a constant speed of 79 mph New Orleans and Tennessee are 395.1 miles apart h

ow long will the train take to Tennessee
Mathematics
2 answers:
eduard3 years ago
6 0

Answer:

About 5.0 hours

Step-by-step explanation:

maks197457 [2]3 years ago
4 0
\bf \stackrel{distance}{d}=\stackrel{rate}{r}\cdot \stackrel{time}{t}
\qquad \qquad 
395.1=79t\implies \cfrac{395.1}{79}=t
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4. What is the slope of the line through the points (2, 5) and (6, 13)?
julsineya [31]

the slope of the line is 2

4 0
3 years ago
The equation of a line is y=-2x+1. What is the equation of the line that is parallel to the first line and passes through (2,2)?
Murrr4er [49]

Answer:

The equation in slope-intercept form is y=-2x+6.

The equation in standard form is 2x+y=6.

The equation in point-slope form is y-2=-2(x-2).

Step-by-step explanation:

The slope-intercept form of a line is y=mx+b where m is the slope and b is the y-intercept.

Parallel lines will have the same slope and different y-intercept.

Anyways the slope of y=-2x+1 is -2.

So the equation of our line we are looking for is -2.

So we know our equation is in the form y=-2x+b.

We must inf b using y=-2x+b with (x,y)=(2,2).

y=-2x  +b  with (x,y)=(2,2)

2=-2(2)+b

2=-4+b

Add 4 on both sides:

2+4=b

Simplify:

6=b

The equation is y=-2x+6.

Now it didn't say what form it wanted.

There are some forms I can give you like standard and point-slope form.

There is also general form but it is not too much different from standard form.

Standard form is ax+by=c where a,b, and c are integers if possible.

Point-slope form is y-y1=m(x-x1) where (x1,y1) is a point on the line and m is the slope.

So let's go for standard form (ax+by=c) first:

y=-2x+6

add 2x on both sides:

2x+y=6

This is standard form because it is in the form

ax+by=c.

Ok we know point (2,2) is on our line and we also know we have slope,m, is -2.

Point-slope form is

y-y1=m(x-x1)

y-2=-2(x-2)

8 0
3 years ago
the product of a number X and 6 is 4 more than the product of the number and 3/8 which answer represents the situation
mart [117]

6x=4+3/8x

That will be the answer

4 0
3 years ago
Solve the equation: 10 = -4 + x
Sonja [21]
10= -4 + x    x=14 because you do the opposite of the sign you see in this case its a plus sign so you subtract -4 from ten and since the 4 is a negative and your subtracting you would add 4 I know this probably didn't help it sounds really confusing but I have hope that it did :)
8 0
3 years ago
Read 2 more answers
Jacob rolls two fair number cubes. The faces of the number cubes are labeled 1 through 6. If Jacob rolls the number cubes at the
sweet-ann [11.9K]

Answer:

(1,1), (1,2), (2,1), (2,2)

Step-by-step explanation:

8 0
3 years ago
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