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lukranit [14]
3 years ago
10

Find the value of x that makes the quadrilateral a parallelogram. 3x + 5 5x - 9 X =

Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
5 0

Answer: x=7

Step-by-step explanation:

both the sides have to be equal.

3x+5=5x-9

2x=14

x=7

Lady bird [3.3K]3 years ago
4 0

Answer:

3x+5=5x-9(llgram oppositesides are equal)

3x-5x= -9-5

-2x=-14

x= -14/-2

x=7

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Answer:

60%

Step-by-step explanation:

You can solve this problem by setting up a system of equations.

Let's say that the number of tickets bought by students in the first year is x, and the number bought by continuing students is y. From there, you can set it up like this:

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Now, you can multiply the first equation by 5 on both sides to get:

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Since 300 of the 500 tickets bought were from the first year students, and 300/500 is 0.6, 60% of the students who bought the ticket were first year students. Hope this helps!

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3 years ago
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trapecia [35]
The perimeter of any shape is just what you get when you add up all of the side lengths. We know that one side is 462 meters, and since a square has four equal sides, we can just mulitply 462 × 4 to get our perimeter, 1,848 meters.
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3 years ago
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creativ13 [48]
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2/3b+5=20−b Solve for b. Both sides have to be equal.
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Answer:

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Step-by-step explanation:

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