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Zina [86]
3 years ago
6

Somebody Pleases help me on this problem

Mathematics
2 answers:
andreyandreev [35.5K]3 years ago
8 0
The answer should be -49 11/40
Mademuasel [1]3 years ago
3 0

Answer:

-49 275/1000

Step-by-step explanation:

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A

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Can some one explain to me what substitution is and how to use it to solve equations?
Yakvenalex [24]

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Step-by-step explanation:

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4 years ago
A Walmart truck driver estimates that it will take him 12 hours to drive 1152 km. After 5 hours, he has driven 520 km.
san4es73 [151]

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3 years ago
Hey this is my first post, does anyone know how to do this and find V?
Dvinal [7]

Answer:

16

Step-by-step explanation:

8/1/2

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8 0
3 years ago
Read 2 more answers
In the answer space below, provide the larger of the two positive integers that add up to 60 and have the largest possible produ
MAXImum [283]

Answer:

The two positive integers are 30 and 30

Step-by-step explanation:

Let

x------> the larger  positive integer

y-----> the smaller positive integer

P----> the product o the two positive integers

we know that

x+y=60

y=60-x -----> equation A

P=xy ----> equation B

substitute equation A in equation B

P=x(60-x)

P=60x-x^{2}

This is the equation of a vertical parabola open downward

The vertex is a maximum

The y-coordinate of the vertex is the largest possible product

Using a graphing tool

The vertex is the point (30,900)

That means------> For x=30 The largest possible product is 900

and

y=60-x ------> y=60-30=30

therefore

The two positive integers are 30 and 30

5 0
3 years ago
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