If two distinct coplanar lines are not parallel their intersection is a _____

1 answer:

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Two co-planar lines, when drawn, are found in one graph of a Cartesian plane. We know that lines are made up of infinite points aligned in one direction only. So, when two non-parallel lines are graphed in one plane, they would eventually intersect. This intersection occurs in one point only. It will never intersect in more than one point unless it curves. But we know that this is not true with lines.

This is especially useful in a system of linear equations. When solving graphically, you can determine the solution of the system by looking at their point of intersection. The coordinates of this said point is the solution.

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The ratios in a equivalent ratio table are 3:12, 4:16, and 5:20. If the ratio is 10, what is the second number? Justify your rea

anzhelika [568]

Answer:

Step-by-step explanation:

If you look at the ratios you can see the pattern of the first number being multiplied by 4 everytime. Therefore you must multiply 10 by 4.

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3 years ago

The distance between town X and town Y is 124 kilometres and a car uses 25 litres of petrol to make the journey. after the engin

Jlenok [28]

Answer:

49 litres of petrol are needed to travel from town X to town Y and back.

Step-by-step explanation:

Well, first off, the variable X and Y, as well as the distance given (124 km) aren't important pieces of information in this equation. They're only there to throw you off and confuse you.

25L of p (petrol) to make the entire journey. After the engine has been tuned, it requires 2% less p than before it was tuned.

2%/100 = 0.02

0.02 * 25L = 0.5L

25L - 0.5L = 24.5L

Now, don't forget, at the end of the word problem we're asked how many litres of p would be required to travel from x to y AND BACK. So it's not only 24.5L, it's double that (24.5 * 2 = 49L)

Good luck!!

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3 years ago

Read 2 more answers

85,110,x,120,120 : find the value of x

fomenos

The sum of angles of a pentagon is 540°, so x must be chosen to make that so.

85 + 110 + x + 120 + 120 = 540

540 -435 = x = 105

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The formula usually used to find the degree measure of the internal angles of an n-sided polygon is (n -2)·180°. For n=5, this is 3·180° = 540°.

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