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lorasvet [3.4K]
3 years ago
8

NEED HELP ASAP !!!! How many points need to be removed From this graph so that it will be a function ?

Mathematics
2 answers:
navik [9.2K]3 years ago
6 0

Answer:

I am pretty sure it is 3 points but don't quote me on it.

Step-by-step explanation:

Cloud [144]3 years ago
3 0

Answer:

C) 3 POINTS

Step-by-step explanation:

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Mrac [35]
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Marie's journal is 400 pages long. She has used 20% of the journal. How many pages has she used so far?
vitfil [10]

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40/ or /80

Step-by-step explanation:

Because 400 is a lot and if it's 100% is 400 right so we do 80% what would that be? we don't know right.

What about 100 pages that would be (im pretty sure) 40% or 50%.

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A rectangular package sent by a postal service can have a maximum combined length and girth (perimeter of a cross sectio) of 108
Morgarella [4.7K]

Answer:

The maximum volume of the package is obtained with a cross section of side 18 inches and a length of 36 inches.

Step-by-step explanation:

This is a optimization with restrictions problem.

The restriction is that the perimeter of the square cross section plus the length is equal to 108 inches (as we will maximize the volume, we wil use the maximum of length and cross section perimeter).

This restriction can be expressed as:

4x+L=108

being x: the side of the square of the cross section and L: length of the package.

The volume, that we want to maximize, is:

V=x^2L

If we express L in function of x using the restriction equation, we get:

4x+L=108\\\\L=108-4x

We replace L in the volume formula and we get

V=x^2L=x^2*(108-4x)=-4x^3+108x^2

To maximize the volume we derive and equal to 0

\dfrac{dV}{dx}=-4*3x^2+108*2x=0\\\\\\-12x^2+216x=0\\\\-12x+216=0\\\\12x=216\\\\x=216/12=18

We can replace x to calculate L:

L=108-4x=108-4*18=108-72=36

The maximum volume of the package is obtained with a cross section of side 18 inches and a length of 36 inches.

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mylen [45]

Answer:

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Step-by-step explanation:

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Solve for Z<br><br> (This should be another easy question, + there are answers you can choose from)
Delvig [45]

Answer:

Z = 6

Step-by-step explanation:

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