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pychu [463]
3 years ago
7

Solve the one step inequality

Mathematics
2 answers:
drek231 [11]3 years ago
7 0
Subtract -3-5 use Keep Change-Change
 keep -3
 change the - into a +
change 5 into -5
so... -3 + -5 is -8
-8 is the answer
romanna [79]3 years ago
7 0
-3 ≤ x+5
-8 ≤ x

hope that helps
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Because you have to take the L.C.M ,

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Find the dimensions of the open rectangular box of maximum volume that can be made from a sheet of cardboard 11 in. by 7 in. by
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Answer:

The dimension of the open rectangular box is 8.216\times 4.216\times 1.392.

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Step-by-step explanation:

Given : The open rectangular box of maximum volume that can be made from a sheet of cardboard 11 in. by 7 in. by cutting congruent squares from the corners and folding up the sides.

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Let the height be 'x'.

The length of the box is '11-2x'.

The breadth of the box is '7-2x'.

The volume of the box is V=l\times b\times h

V=(11-2x)\times (7-2x)\times x

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V'(x)=4(3x^2)-2(36x)+77

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V''(x)=24x-72

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So, there is maximum at x=1.392.

The length of the box is l=11-2x

l=11-2(1.392)=8.216

The breadth of the box is b=7-2x

b=7-2(1.392)=4.216

The height of the box is h=1.392.

The dimension of the open rectangular box is 8.216\times 4.216\times 1.392.

The volume of the box is V=l\times b\times h

V=8.216\times 4.216\times 1.392

V=48.217\ in.^3

The volume of the box is 8.217 cubic inches.

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Answer:

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