Square the following numbers 5, 9, 12

Mathematics

2 answers:

IRISSAK [1]3 years ago

7 0

Answer:

5² = 25

9² = 81

12² = 144

hope it helps

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yKpoI14uk [10]3 years ago

3 0

Answer:

5^2=5x5=25

9^2=9x9=81

12^2=12x12=144

Step-by-step explanation:

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General Idea:

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Read 2 more answers

the printed matter on a 14 by 18 centimeter page of a book must covor 140 square centimeters. if all margins are to be the same

luda_lava [24]

Let
x----------------> <span>width of the margin
we know that

[Area </span><span>printed matter]=140
</span>[Area printed matter]=[(14-2x)*(18-2x)]
then
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using a graph tool---------> <span>I solve the quadratic equation
see the attached figure
x1=2
x2=14----------> is not solution

the answer is
the margin should be 2 cm</span>