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How do you use distributive property 3 x 21?
3 * 21 = 3*(20 + 1) = 3*20 + 3*1 = 60 + 3 = 63.
What multiplies to make 20 and adds to make 21?
41
What is 20 over 21 divided by 2 over 3?
(20/21)/(2/3) = (20/21) x (3/2) = 10/7 = 1 and 3/7 = 1.428571429
What is 5 to the 21st power mulitplied by 4 to the 11th power?
(5)21 x (4)11 = (5)11 x (5)10 x (4)11 = (5)10 x (5 x 4)11 = (5)10 x (20)11 =(5)10 x 20 x (20)10 = 20 x (5 x 20)10 = 20 x (100)10 = 2 x (10)1 x (10)20 =2 x (10)21 = 2,000,000,000,000,000,000,000
How many times does 21 go into 230?
10 times with 20 remaining 230 - 20 = 210 = 21 x 10
What is the product of 21 times 20?
21 x 20 = 420
How do you use distributive property 3 x 21?
3 * 21 = 3*(20 + 1) = 3*20 + 3*1 = 60 + 3 = 63.
How much mulch do you need for a 20 by 21 play yard 4 inches deep?
20' x 21' x 36" = 47 cubic yards, but 20' x 21' x 4" is only 15.67 cubic yards.
What is the square root of 423?
20 x 20 = 400 21 x 21 = 441 So just over 20 20.5669 etc
What is 21 out of 105?
20% 21 x 5 = 105 100/5 = 20
What is x over 4 plus 5 equals negative one?
x/4 + 5 = -1 (4)x/4 +(4)5 = -1 x+20 = -1 -20 -20 x= -21 x= -21
How many units in 21 scores?
A score is 20; so 21 X 20 = 420.
Can you draw a rectangle that has an area of 21 square units and a perimeter of 20 units?
#1 : ( 2 x a ) + ( 2 x b ) = 20 #2 : a x b = 21 #2 : a = 21 / b replace in #1 : ( 2 x 21 / b ) + ( 2 x b ) = 20 multiply by b : 42 + 2 x b2 = 20 x b => 2 x b2 - 20 x b + 42 = 0 => b1 = 7 and b2 = 3 Two solutions : b1 = 7 and a1 = 21/7 = 3 b2 = 3 and a2 = 21/3 = 7
What multiplies to make 20 and adds to make 21?
41
How can you make 24 using the numbers 21 22 23 and 20?
(23-21) x 22-20
What is the percentage of 20 answers of 21questions?
20/21 x 100 = 95%
What is -7 over -8 times -20 over -21?
-7/-8 x -20/-21 = 5/6
