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What Is R-Squared? If a = 2 what is -a^2? What is the result when the right-hand side of the equation below is squared? When is square root of x^2 + y^2 equal to x+y? Suppose f(x,y) equal to (square of x) + (square of y) - (2 times of x) - (4 times of y)...
Prove that the geometric mean of two positive quantities is less than their arithmetic mean. Solve. 2x+1/14 = x-1/2 + 3x+4/7 How to prove that the mean minimizes squared error? Evaluate double integral_(x, y): 0 less than or equal to x less than or equal to y less than or ...
If we represent cos(x) as the real part of exp(ix), then I always thought that we could then say that cos(x)^2 is equal to the real part of exp(ix)exp(ix)=exp(2*i*x). However, this clearly cannot be correct, as the real part of exp(2*i*x) is actually cos(2*x), ...
Does twice mean the same as squared in math? What is meant by algebraic identities? Justify with example. If x*sqrt(1 + y) + y*sqrt(1 + x) = 0 then dy/dx is equal to what? What do double brackets mean in math? Calculate the following and explain the meaning of the parentheses...
Definition. A regression line is a straight line that de- scribes how a response variable y changes as an explanatory variable x changes. We often use a regression line to predict the value of y for a given value of x. How is R Squared interpreted?
The second term is also positive, and is proportional to the squared change in expected mean caused by selection relative to the neutral variance, vN. The gain in information because of selection can be calculated from the distribution of allele frequencies or from the distribution of trait means...
Prove that if p greater than 1 is an integer and n divides p for each integer n for which 2 less than or equal to n less than or equal to \sqrt{q}, then p is prime. What is the least common multiple of p and q if p and q are prime numbers ? Prove or disprove: if p and...
If x + y = 12 and xy equals 50, what does x squared plus y squared equal to?How does w_1+\sqrt 2 w_2+\sqrt 3 w_1-\sqrt 2 w_2 \text{ equals } (1+\sqrt 3)w_1?What does int(xdx)/(2x^4 - 3x^2-2 equal to?
If 9x=8, what does 9−2x equal? Properties of Exponents: There are various fundamental properties of exponents, which are very useful during the determination of value or simplification of an expression which consists of a lot of exponents things. Here we already have an expression and we ha...