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kow [346]
3 years ago
9

Mr. Jensen makes salt dough using 1 cup of salt for every 3 cups of dough. Which graph represents the amount of salt in his doug

h?

Mathematics
2 answers:
klio [65]3 years ago
8 0

Answer:

The third graph

Step-by-step explanation:

____ [38]3 years ago
7 0
It is the first graph.

Explanation: The first time the line crosses over a point it is on 9 and 3. The 9 is for cups of dough and the 3 is for cups of salt. So for every 3 cups of dough there is one cups of salt. (Divide both 3 and 9 by 3 to get another answer if you need.) HOPE THIS HELPS! :D
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ira [324]

Answer:

The box should have base 16ft by 16ft and height 8ft Therefore,dimensions are 16 ft by 16 ft by 8 ft

Step-by-step explanation:

We were given the volume of the tank as, 2048 cubic feet.

Form minimum weight, the surface area must be minimum.

Let the height be h and the lengths be x

the volume will be: V=x²h then substitute the value of volume, we have

2048=hx²

hence

h=2048/x²

Since the amount of material used is directly proportional to the surface area, then the material needs to be minimized by minimizing the surface area.

The surface area of the box described is

A=x²+4xh

Then substitute h into the Area equation we have

A= x² + 4x(2048/x²)

A= x² + 8192/x

We want to minimize

A

dA/dx = -8192/x² + 2 x= 0 for max or min

when dA/dx=0

dA/dx= 2x-8192/x²=0

2x=8192/x²

Hence

2x³=8192

x³=4096

x=₃√(4096)

X=16ft

Then h=2048/x²

h=2048/16²

h=8ft

The box should have base 16ft by 16ft and height 8ft

Hence the dimensions are 16 ft by 16 ft by 8 ft

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2 years ago
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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