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Fittoniya [83]
4 years ago
9

The sum of twice a number n and 8 is at most 25

Mathematics
1 answer:
True [87]4 years ago
3 0
<h2>Greetings!</h2><h3>This is an inequality because it is stating that the answer is at most 25. This means that the answer can be anything below and including 25, so the ≤ sign is needed.Tthis inequality can then be shows with the following inequality equation:</h3><h3>2n + 8 ≤ 8  </h3><h3>Because 2n shows that the n is multiplied twice ( or the sum of twice a number n) and the + 8 shows the added 8. </h3>
<h2>Hope this helps!</h2>
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Drupady [299]

Answer:

x=5, y=-2. (5, -2).

Step-by-step explanation:

2x+3y=4

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3(2x+3y)=3(4)

-2(3x+4y)=-2(7)

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6x+9y=12

-6x-8y=-14

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y=-2

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Answer:

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20. * 10 ^-3  = .02

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3 years ago
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spayn [35]

Answer:

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Step-by-step explanation:

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arsen [322]

Answer:

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Step-by-step explanation:

Okay same as before

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Answer:

See attachment for plot

Step-by-step explanation:

Given

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Where

m = rate

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m =2

The above represents the previous rate.

The new rate:

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Rewrite as:

R = m+2

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So, the model is:

y = Rx

y = 4x

<u>The plot at 1 and 2 minutes</u>

When x = 1

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When x = 2

y = 4x = 4 * 2 = 8

So, we have:

(x_1,y_1) =(1,4)

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<em>See attachment for plot</em>

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