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vodka [1.7K]
3 years ago
5

Kyle is making a frame for a rectangular piece of art. The length of the frame is 3 times the width, as shown below. If Kyle use

s 18 feet of wood to make the frame, what is the length of the frame?

Mathematics
1 answer:
satela [25.4K]3 years ago
3 0

Answer:

———————

6.75 feet |

———————

Step-by-step explanation:

Let the width be x. If the width is x, the the length has to be 3x because in the question it says that the length is 3 times the width.

Since this is a rectangle, the opposite side has the same measure, like in the attachment below.

To find the perimeter, you would add up all the sides.

3x+3x+x+x

=6x+2x

=8x

It is also given in the question that he uses 18 feet. Which means that the perimeter is 18 feet. But you figured out that 8x is ALSO the perimeter. This means that you can say: 8x=18.

Solve for x, 18/8=9/4=2.25.

You want the length, which is 3x. So 3(2.25) is your answer.

3(2.25) = 6.75

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Which ordered pair is a solution of the equation? y-3=5(x-2) A.) (2,3) B.) (3,2) C.) Both D.) Neither
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Greg and Erin start at the same point and begin running in different directions. Greg is running east at a speed of 7 miles per
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Step-by-step explanation:

Step 1: Sketch the problem as shown in the attached image.

The problem can be solved using Pythagoras theorem since the sketch is a right angled triangle.

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The distance covered by Greg is given by <em>x mi</em>, and that of Erin is given by <em>y mi</em>.

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Hence, distance covered by Greg, x = 7 × t = 7t.

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t = 1.3hr

Hence the time at which the distance between the two is 150 miles is 1.3 hr.

4 0
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