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8.89 is the mean
to calculate the mean of something, add up each number then divide by how many numbers you have.
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What is mean of 12 15 21?
16, 12+15+21 = 48/3 = 16
What is the GCF for 16 and 21?
16: 1 2 4 8 16 21: 1 3 7 21 gcf: 1
What is the prime factorization of 21 and 16?
21 = 3 x 7 16 = 2 x 2 x 2 x 2 = 24
3 over 4 times 16 over 21 times 7 over 10?
(3/4)(16/21)(7/10)=(2/5) or 2 over 5, or 2 fifths.
What is the geometric mean and the arithmetic mean of 7 x sqrt3 and 21 x sqrt3?
The arithmetic mean is simply (7+21)sqrt(3)/2 = 14sqrt(3) = 24.25 (to 2 d.p.) The geometric mean is sqrt [ 7sqrt(3) x 21sqrt(3) ] = sqrt [ 7 x 21 x 3 ] = sqrt [21 x 21] = 21
What is the LCM of 14 15 16 20 21?
factoring 14=2*7 15=3*5 16=2*2*2*2 20=2*2*5 21=3*7 LCM=2*2*2*2*3*5*7=1,680
What is 3 4 of 16?
i think 21 i dont know
What is two and one sixteenth plus one and three fourths?
2 1/16 + 1 3/4 =3 13/161 3/4 = 1 12/16thus: 21/16 + 13/4=21/16 +112/16= 3 13/16
How many times can 3 go into 21?
1) grab a calculator 2) devide 21 by 3 3) look at the number 4) round it to the nearest 1 decimal space if needed.
What is 5 and 6and 7 minus 2 and 2and 3?
I'm hoping you mean 5 and 6/7 - 2 and 2/3 5 and 6/7 = 41/7 = 123/21 2 and 2/3 = 8/3 = 56/21 123/21 - 56/21 = 67/21 or 3 and 4/21
What is the answer to a-2 equals 2 9 3?
If you mean a-2 = 2+9+3 then a = 16
What is 8 over 3 multiplied by 2 over 7?
8/3 x 2/7 is 16/21
