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7 x over 8 plus equals 21 what is x?
7x/8 = 21 so 7x = 21*8 x = 12*8/7 = 3*8 = 24
Why does 168 divided by 8 equal 21?
Because 8 x 21 = 168
When -3 is multiplied by the sum of a number and 8 the result is -21 Find the number?
If: -3*(x+8) = -21 Then: x = -1
What is the times table of 21?
1 x 21 = 21 2 x 21 = 42 3 x 21 = 63 4 x 21 = 84 5 x 21 = 105 6 x 21 = 126 7 x 21 = 147 8 x 21 = 168 9 x 21 = 189 10 x 21 = 210 11 x 21 = 231 12 x 21 = 252 ...
What is 8 over 21 as a decimal?
First set up a proprotion 21 over 8 = x over 100. then cross multiply to get ... 2100 = 8x , then divide both sides by 8 to get 262.5 = x
X over 5 equals 8 over 21 solve for x?
x/5 = 8/21 x = 8/21 * 5 x = 1.904761905
7 x over 8 plus equals 21 what is x?
7x/8 = 21 so 7x = 21*8 x = 12*8/7 = 3*8 = 24
What is 2 thirds times four sevenths?
2/3 x 4/7 = 8/21Multiply across: 2 x 4 = 8, 3 x 7 = 21As 8/21 can't be simplified further the answer is 8/21
Why does 168 divided by 8 equal 21?
Because 8 x 21 = 168
When -3 is multiplied by the sum of a number and 8 the result is -21 Find the number?
If: -3*(x+8) = -21 Then: x = -1
What is the times table of 21?
1 x 21 = 21 2 x 21 = 42 3 x 21 = 63 4 x 21 = 84 5 x 21 = 105 6 x 21 = 126 7 x 21 = 147 8 x 21 = 168 9 x 21 = 189 10 x 21 = 210 11 x 21 = 231 12 x 21 = 252 ...
How do you calculate 21 by 12 by 8 feet high into square feet?
21 X 12 = yy X 8 = your answer.You do the math.
What gets you 168 when multipling by 21?
8 x 21 = 168
What is 8 over 21 as a decimal?
First set up a proprotion 21 over 8 = x over 100. then cross multiply to get ... 2100 = 8x , then divide both sides by 8 to get 262.5 = x
What is the value of x when x 2 plus 5 21?
maybe eight 21 - 5 = 16 = 2 x 8
What is x when x plus negative 21 equals 8?
The value of x is 29
X plus 13 equals -8?
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