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vova2212 [387]
2 years ago
9

Please help with this !! ASAP

Mathematics
2 answers:
kipiarov [429]2 years ago
5 0

Answer:

B) 12

Step-by-step explanation:

These two angles are known as same-side interior angles. These angles add up to 180°. Use this to solve for y:

9y + 7 + 7y - 19 = 180

16y - 12 = 180

16y = 192

y = 12

Aneli [31]2 years ago
4 0
9y+7 + 7y-19 = 180
Y =12 degrees
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The length of a rectangle is 3 meters greater than 2 times the width. The perimeter of the rectangle is 30 meters.What is the le
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Answer:

11 meters

Step-by-step explanation:

Lets say that  w = width of the rectangle, to start. If the length of the rectangle is 3 meters greater than 2 times the width, the length of the rectangle is equal to 3 + 2w.  

The perimeter of the rectangle is 2 * length of rectangle + 2 * width of the rectangle. With the perimeter being equal to 30 and width being w and length being 2w+3:

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We first need to find out w first, which will give us the width of the rectangle. Taking it step by step, we get:

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length of rectangle = 2(4)+3 = 11 meters

Hope this helps! :)

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3 years ago
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