We use the formula: ( a - b )^3 = a^3 - b^3 - 3ab( a - b);
a = 1000; b = 1;
999^3 = 1000^3 - 1^3 - 3·1000·1( 1000 - 1 ) = 1000000000 - 1 - 3000·999 = 1000000000 - 1 - 2997000 = 997002999;
30 students in a class, and 16 boys and 14 girls.
A ratio compares two quantities.
A) 14:16
B)16:14
C) 14:30
D)16:30
5x-13=15+7x
-13=15+2x
-28=2x
-14=x
A = 11300 cm<span>2
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Hope this helps!
Since the 1/4 of each pizza left :
Which means that :
Pizza 1 = 1/4 pizza Left
Pizza 2 = 1/4 pizza Left
i think there is no error in what's ben saying