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rjkz [21]
3 years ago
15

Classify each number below as an integer or not.

Mathematics
2 answers:
ruslelena [56]3 years ago
7 0

Answer:

yes no yes no yes

Step-by-step explanation:

an integer is just a whole number

no fractions that won't divide nicely or decimals

so -40/5 divides to -8

52 is just an integer

-27/9 divides to -3

pshichka [43]3 years ago
3 0

Answer:

yes, no, no, yes, yes

Step-by-step explanation:

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Find the dimensions of a closed right circular cylindrical can of smallest surface area whose volume is 128pi cm^3
Ratling [72]
The surface area of a cylindrical can is equal to the sum of the area of two circles and the body of the cylinder: 2πr2 + 2πrh. volume is equal to π<span>r2h.

V = </span>π<span>r2h = 128 pi
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A = </span><span>2πr2 + 2πrh
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</span>A = 2πr2 + 256 <span>π / r
</span><span>
the optimum dimensions is determined by taking the first derivative and equating to zero.

dA = 4 </span>πr - 256 <span>π /r2 = 0
r = 4 cm
h = 8 cm
</span><span>

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4 0
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