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What is the geometric mean of 4 and 81?
mean = (4 + 81)/2 = 85/2 = 42.5
Which of the following expressions is equal to -x2-81?
The expression (-x^2 - 81) can be factored as (-(x^2 + 81)). This represents the negative of the sum of a square term and a constant. Thus, the equivalent expression is (-1(x^2 + 81)).
What is 81 times 2 thirds?
2/3 x 81 = 54
Does 2 times any number equal 81?
2 x 40.5 = 81
What is the value of 9 to the power of 2?
81. (9 to the power of 2 = 9 x 9).
What is the geometric mean of 4 and 81?
mean = (4 + 81)/2 = 85/2 = 42.5
Factorize 81- x-7 ²?
88
What is sqr 81x4?
sqrt(81 x 4) = sqrt(81) X sqrt(4) = 9 X 2 18
What is 81 times 2 thirds?
2/3 x 81 = 54
What are the prime factorization for the Numbers 72 and 81?
2 x 2 x 2 x 3 x 3 = 72 3 x 3 x 3 x 3 = 81
What is the prime factorization of 81 and 100?
81 = 3 x 3 x 3 x 3 100 = 2 x 2 x 5 x 5
What is the circumference of a circle with an area of 81?
In every circle . . .Area = (pi) x (radius)2Diameter = 2 x radiusCircumference = (pi) x diameterIn this circle, Area = (pi) R2 = 81R2 = 81/piR = sqrt( 81/pi )Diameter = 2 x sqrt( 81/pi )Circumference = (pi) x 2 x sqrt( 81/pi ) = 2 x sqrt( 81 pi ) = 18 sqrt(pi) = 31.9042 (rounded)
Does 2 times any number equal 81?
2 x 40.5 = 81
What 2 numbers multiplied equal 81?
1 x 81, 3 x 27, 9 x 9
2 example to multiply to get 81?
162
What is the value of 9 to the power of 2?
81. (9 to the power of 2 = 9 x 9).
How do you get 81-18x plus xsquared from (9-x)squared?
Because: (9-x)(9-x) = 81-18x+x^2
