Describe how you can check to see if two ratios are proportional. Use the following ratios to explain your thinking: 2/3 12/18
1 answer:
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There are four topics for the first answer, three topics for the second answer, two topics for the third and one topic for the fourth. The number of ways to answer is:
The answer is (6, 8).
EXPLANATION
If you are given two numbers, you can find the number exactly between them by averaging them, by adding them together and dividing by two. The Midpoint Formula works exactly the same way. If you need to find the point that is exactly halfway between two given points, just average the x-values and the y-values.
That is:
But since the midpoint is given, we'll work this out in a different way.
To find the x of the other endpoint or x2, we'll have first to plug-in the given x values in the midpoint and x1.
So,
Now, let's proceed to y2.
So now you have the x and y values of the other endpoint: (6,8).
EXPLANATION
If you are given two numbers, you can find the number exactly between them by averaging them, by adding them together and dividing by two. The Midpoint Formula works exactly the same way. If you need to find the point that is exactly halfway between two given points, just average the x-values and the y-values.
That is:
But since the midpoint is given, we'll work this out in a different way.
To find the x of the other endpoint or x2, we'll have first to plug-in the given x values in the midpoint and x1.
So,
Now, let's proceed to y2.
So now you have the x and y values of the other endpoint: (6,8).