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elixir [45]
3 years ago
13

Y=2x+3 y=4x+7 solve by elimination

Mathematics
2 answers:
lina2011 [118]3 years ago
6 0
2x+3 = 4x+7
-4 = 2x
x = -2
allochka39001 [22]3 years ago
6 0

Answer:

&&&&

Step-by-step explanation:

Sorry, Dont know buddy

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A local nursery sells a large number of ornamental trees every year. The owners have determined the cost per tree C for buying a
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The minimum cost is achieved when 150 trees are produced giving a minimum cost of $27.5

Polynomial is an expression that involves the <em>operations of addition, subtraction, multiplication of variables.</em>

Let C represent the cost for buying and caring for n trees. Given that:

C = 0.001n² - 0.3n + 50.

The minimum cost is at dC/dn = 0, hence:

dC/dn = 0.002n - 0.3

0.002n - 0.3 = 0

0.002n = 0.3

n = 150

C(150) = 0.001(150)² - 0.3(150) + 50 = 27.5

The minimum cost is achieved when 150 trees are produced giving a minimum cost of $27.5

Find out more at: brainly.com/question/25836610

8 0
3 years ago
-2 = 6/7*p <br> How do you solve the equation.
Sophie [7]
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3 years ago
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earnstyle [38]

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10!

Step-by-step explanation:

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3 years ago
Y varies directly as X , and Y=1.2 when X=1.6.Solve for points.
Musya8 [376]

Answer:

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Step-by-step explanation:

I don' think that Y varies directly like X does because first they're different numbers. Y=1.2 and X=1.6.

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