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steposvetlana [31]

3 years ago

12

-9n>-36? Solve and graph

1 answer:

wlad13 [49]3 years ago

6 0

-9n>-36
divide both sides by -9
n<4

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Can someone help me figure out the answer to:<br><br>3 5/8 + 4 2/3?<br><br>(please explain working?)

ivanzaharov [21]

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Then you would add both of the improper fractions

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3 years ago

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Tanya [424]

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3 years ago

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You are planning to make an open rectangular box from aa 4141-in.-by-8181-in. piece of cardboard by cutting congruent squares

marissa [1.9K]

Answer:

13058.83 cubic inches

Step-by-step explanation:

Given that a rectangular box is having dimensions as 41x81 inches.

Let x be the side of square cut from all the four corners.

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Volume =

$V(x) = x(41-2x)(81-2x)\\V(x) =x(3321-244x+4x^2)\\V(x) = 3321x-244x^2+4x^3\\V'(x) = 3321-488x+12x^2\\V"(x) = -488+24x\\$

Equate first derivative to 0

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3 years ago