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Bezzdna [24]
3 years ago
7

What is the value of k used to find the coordinates of a point that partitions a segment into a ratio of 5:3?

Mathematics
2 answers:
Ulleksa [173]3 years ago
7 0
<span>Since the value of k can be determined by </span>dividing the numerator of the original ratio, which is 5, by the sum of the numerator and denominator of the ratio:<span>
(5+3)=8

Thus the value for  k = 5/8

</span>
Goryan [66]3 years ago
7 0

Answer:

\frac{5}{8}

Step-by-step explanation:

We are asked to find the value of k used to determine the coordinates of a point that partitions a segment into a ratio of 5:3.

The value of k would be 5 divided by the sum of 5 and 3.

k=\frac{5}{3+5}

k=\frac{5}{8}

Therefore, the value of k is \frac{5}{8}.

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Chanasia thinks that (3,2) is a solution for 5y + 10x = 35 because 5(3) + 10(2) = 35. Explain her error.
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3 years ago
Point R is located at (3, 2) and point S is located at (8, 15) .
Ulleksa [173]

Answer: (4, 4.6)

=======================================

The x coordinates of the points (3,2) and (8,15) are x = 3 and x = 8 respectively. The distance between these x values is 8-3 = 5 units. So we move 5 units to the right to go from the first point to the second point.

Imagine we had 5 blocks. If 1 of them is colored red and the other four are green, then the ratio of red to green is 1:4. We have 1 part red, 4 parts green. So 1+4 = 5 total. The "red block" in the metaphor mentioned basically tells us how far to move over the total distance 5. So we move 1/5th of the way along the horizontal distance of 5.

1/5 of 5 = (1/5)*5 = 1

So we move exactly one unit along the x direction. Therefore, we add 1 to to the x coordinate of (3,2) to end up with (3+1,2) = (4,2). This isn't the final answer, but it helps get us closer.

---------------

For the y coordinates of the given points we see that the y difference is 15-2 = 13. Multiply this by 1/5 to get

(1/5)*13 = 13/5 = 2.6

We follow effectively the same steps as before, but now we're dealing with the y values this time. So we move 2.6 units in the y direction (ie move 2.6 units up)

Add 2.6 onto the y value of that last point we found to get (4,2+2.6) = (4,4.6)

So that explains why the answer is (4, 4.6)

A visual might help so I've posted one below in the attached images. In that image, the location of point T is the final answer.

6 0
3 years ago
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