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aev [14]
3 years ago
9

a playground area is going to be built in a zoo park. the shape of the playground is shown below. this are will be covered with

recycled rubber chips. installing the rubber chips costs $52.59 per square foot. how much will it cost to install the chips?

Mathematics
1 answer:
Triss [41]3 years ago
5 0

3+3+12+32=50

50x52.59=2,629.5

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9.6x^2 + 5.8xy - 2.1

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Patricia can drive 36 kilometers for every 3 liters of gas she puts in her car.
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Read 2 more answers
Substitute 2m + n =0 and m + 2n =3
melamori03 [73]

There are several ways you can solve this problem if you're trying to solve for m and n. You can substitute, or systems of equations. However, I'm going to use substitution:

2m + n = 0 => n = -2m

We can input that in for the other equation:

m + 2n = 3 now becomes: m + 2(-2m) = 3

Now we can solve:

m + 2(−2m) = 3

m + −4m = 3

(m + −4m) = 3 (Combine Like Terms)

−3m=3

m = -1

Now we can input that value in to solve for n:

We said that n = -2m, and m = -1, so n = -2(-1):Answer:

n = 2

Your final answer is m = -1, and n = 2, which can also be written as (m,n) = (-1,2)

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

However, if you were solving for m+n:

You would add the two equations!:

2m + n = 0

m + 2n = 3

----------

3m + 3n = 3

Now, you can take 3 common:

3(m+n) = 3

m + n = 1

Your final answer for what m + n equals 1!

3 0
3 years ago
. A group of 18 people ordered soup and sandwiches for
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its 18 because if u add 18 to 34



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3 years ago
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