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FrozenT [24]
3 years ago
8

Solve for the value of X and Y please .

Mathematics
2 answers:
lesya [120]3 years ago
8 0
There is a scale factor of 2/3
6 * 2/3 = 12/3 = 4
y = 8 * 2/3 = 16/3 or 5 1/3
x = 7 * 2/3 = 14/3 or 4 2/3


NeTakaya3 years ago
7 0
There is a scale factor of 2/3 hope this helps 
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a rectangular storage container without a lid is to have a volume of 10 m3. the length of its base is twice the width. material
victus00 [196]

245.31 (dollars) is the cost (in dollars) of materials for the least expensive such container.

<h3>What is maxima and minima ? </h3>

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<h3>Calculation</h3>

Suppose the width is x (m), length of the base is 2x (m), the base area is 2x^2 (m^2).

Since the volume is 10 (m^3), the height has to be 10/2x^2 (m) = 5/x^2.

The cost of making such container is

cost of base: 2x^2*15 = 30x^2

cost of sides: (2*2x*5/x^2 + 2*x*5/x^2)*9 = 270/x

The overall cost is hence the sum of the base and the sides: f(x) = 30x^2 + 270/x

The get the minimum,

df(x)/dx = 30*(2x - 9/x^2) = 0

so x = (9/2)^(1/3) = 1.651 (m)

f(x) = 245.31 (dollars)

learn more about maxima and minima here :

brainly.com/question/17467131

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1 year ago
PLS HELP ASAP THIS IS DUE IN 10 MINUTES
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Answer:A number decreased by 40

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