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neonofarm [45]
3 years ago
12

Jane draws a line in the coordinate plane that passes through the points (2,3) and (6,9)

Mathematics
2 answers:
slava [35]3 years ago
4 0

Answer:

y=x+1 that's the answer

timofeeve [1]3 years ago
3 0

Answer:

y=x+1

Step-by-step explanation:

To find the line of the equation, use the slope formula to find the slope.

Slope formula is: y2-y1/x2-x1

9-3/6-2= 3/4

Once you have the slope, use that and one of the coordinates to put the equation in point-slope form.

Point-slope form is: y-y1=m(x-x1), with m representing slope and y1 and x1 representing the x and y coordinates.

y-3=1(x-2)

With the equation in point-slope form, you can now distribute 1 to x-2 and simplify to put it in slope-intercept form.

y-3=1x-2

y=x+1

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How many complex roots does the equation below have? X^6+x^3+1=0
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If you find the discriminant it will tell you the number and types of roots. The discriminant is the value b^2 -4ac.
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7 0
3 years ago
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A train leaves at 1314 and arrives at 1508. It travelled at an average speed of 105 km/h.
Paraphin [41]

Answer: The train traveled 199.5 km

Step-by-step explanation:

We know the relationship:

Distance = Time*Speed

We know that the speed of the train was 105km/h

And we know that it leaves at 13:14, and arrives at 15:08.

Then the total amount of time that the train was traveling is:

T = (15 hours and 8 mins) - (13 hours and 14 mins)

= (15 - 13) hours and (8 - 14) mins

=  2 hours and (-6) mins.

We know that one hour has 60 minutes, then this is equal to:

T = 1 hour and 54 minutes.

But because the speed is kilometers per hour, we need to rewrite the 54 minutes in hours.

This can be done as follows:

1 hour = 60 minutes.

Then: 54 minutes = (54/60) hours = 0.9 hours.

Then:

1 hour and 54 minutes = 1.9 hours.

Now we know the speed and the time, then the distance can be calculated as:

Distance = speed*time = 105km/h*(1.9 h) = 199.5 km

The train traveled 199.5 km

3 0
3 years ago
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There are 4 colas, 1 ginger ale, 7 root beers, and 6 cherry sodas in a cooler. What are the odds of choosing a root beer?
motikmotik
Add all of the pops together

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There are 7 root beers. So, the odds of choosing a root beer is 7 out of 18. or 7/18.
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Answer:

40/8=5

Other side length = 5

Step-by-step explanation:

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