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Marta_Voda [28]
3 years ago
7

If x=3 calculate the value of x3-x

Mathematics
2 answers:
Dmitrij [34]3 years ago
6 0
x^3-x=3^3-3= \\\\ =27-3= \\\\ =\boxed{24}
Nikolay [14]3 years ago
3 0
........................................................3*3-3...................................................................
9-3
6
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If the area of a rectangle is 64cm squared, how many different perimeters are possible when the dimensions are whole numbers
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Step-by-step explanation:

Given the area of a rectangle is 64 cm squared.

We know, Area of the rectangle is = length x breath

∴  64 = 8 x 8

Hence the sides can be 8 cm by 8 cm.

So the perimeter of the rectangle is = 8 cm + 8 cm + 8 cm +8 cm

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Also, Area of the rectangle is = length x breath

∴  64 = 16 x 4

So the perimeter of the rectangle is = 16 cm + 4 cm + 16 cm +4 cm

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Step-by-step explanation:

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