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natita [175]
3 years ago
7

John earns x dollas per hour. petra earn 2 dollars per hour more than him. How much do they earn altogether per hour?

Mathematics
1 answer:
satela [25.4K]3 years ago
4 0
2x + 2 dollars, because you're adding x and x + 2
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On a vacation trip to Canada you realize that the speed limit signs are in km/hour. Unfortunately, your speedometer only reads i
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Write parametric equations of the line through the points (7,1,-5) and (3,4,-2). please use the first point as your base-point w
Roman55 [17]

Given:

A line through the points (7,1,-5) and (3,4,-2).

To find:

The parametric equations of the line.

Solution:

Direction vector for the points (7,1,-5) and (3,4,-2) is

\vec {v}=\left

\vec {v}=\left

\vec {v}=\left

Now, the perimetric equations for initial point (x_0,y_0,z_0) with direction vector \vec{v}=\left, are

x=x_0+at

y=y_0+bt

z=z_0+ct

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x=(7)+(-4)t

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Similarly,

y=1+3t

z=-5+3t

Therefore, the required perimetric equations are x=7-4t, y=1+3t and z=-5+3t.

5 0
3 years ago
Only thing I need to know is what to do for the x on y = x + 3 and y = x
Ronch [10]

Answer:

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With y = x, the slope is still 1, but there is no y-intercept, so you plot the point (0,0), and to find the next point on that line, go up 1 and over the right 1 because m=1

8 0
3 years ago
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