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What values of x are solutions of 3x2 11x 20?
If you mean: 3x squared -11x -20 = 0 Then: x = -5 or x = 4/3
What does solutions mean in math?
An open statement is a sentence that contains a variable , such as x. The solution set for an open sentence is the set of values that when substituted for the variable make a true statement. The members of the solution set are called solutions. Examples: x = 2. Solution set is {2} solution is 2. x2 - 5 = 4 Solution set is {-3, 3 } solutions are -3 and 3. x > 0 Solution set = {x " x > 0 } That is all positive numbers. Every positive number is a solution. There are some finer points that I did not mention such as the possibility of more than one variable and limitations on the values that allowed in the substitutions.
In a regression analysis if the mean value of y is related negatively of the value of x then larger values of x is associated with?
If the value (not mean value) of y is related negatively to the value of x then larger values of x are associated with smaller values of y.
What is the set of all x values?
It could be the x-axis.
What does it mean to find the value of x?
Given a situation, what are the possible values of X is what it is asking.
What values of x are solutions of 3x2 11x 20?
If you mean: 3x squared -11x -20 = 0 Then: x = -5 or x = 4/3
X with a line over it?
The symbol "X" with a line over it is often used in mathematics to represent the average or arithmetic mean of a set of values. It is calculated by adding up all the values and dividing by the number of values in the set.
What are all the values that mean x bar can possibly take?
It can take any value between the maximum and minimum observed values.
What does solutions mean in math?
An open statement is a sentence that contains a variable , such as x. The solution set for an open sentence is the set of values that when substituted for the variable make a true statement. The members of the solution set are called solutions. Examples: x = 2. Solution set is {2} solution is 2. x2 - 5 = 4 Solution set is {-3, 3 } solutions are -3 and 3. x > 0 Solution set = {x " x > 0 } That is all positive numbers. Every positive number is a solution. There are some finer points that I did not mention such as the possibility of more than one variable and limitations on the values that allowed in the substitutions.
What is the formula for calculating the mean of a sample, represented by the symbol "" in statistics?
The formula for calculating the mean of a sample, represented by the symbol "" in statistics, is to add up all the values in the sample and then divide by the total number of values in the sample. This can be written as: x / n, where x represents the sum of all values in the sample and n is the total number of values in the sample.
What are 2 possible solutions of 100 squared?
The equation ( x^2 = 100 ) has two possible solutions: ( x = 10 ) and ( x = -10 ). This is because squaring both positive and negative values results in the same positive outcome. Thus, the two solutions are ( x = 10 ) and ( x = -10 ).
Is all values of the variable that satisfy the inequality?
To determine if all values of a variable satisfy an inequality, you need to analyze the inequality itself. If it is always true (for instance, a statement like (x + 2 > x + 1) is always true), then all values of the variable satisfy it. However, if specific conditions or limits on the variable exist (like (x > 5)), then only those values that meet the conditions are valid solutions. Thus, the answer depends on the specific inequality in question.
What does define mean in math terms?
The mean is sometimes also known as the arithmetic average. For a finite number of observations, it is he sum of their values divided by the total number. It can also be described as the expected value of a variable. If a discrete numerical variable X can take the values x, then the mean is the sum [x*pr(X = x)] where the summation is over all possible values of x. For a continuous variable, replace the summation by integration.
What are 3 other names for solutions of a quadratic equation?
Roots, zeroes, and x values are 3 other names for solutions of a quadratic equation.
Which values are solutions to this inequality x 6?
The inequality ( x < 6 ) includes all values of ( x ) that are less than 6. This means any number such as 5, 4.5, 0, -1, or even negative infinity would be a solution. In interval notation, the solution can be expressed as ( (-\infty, 6) ).
How do you find the mean of frequency distributions?
For discrete distributions, suppose the variable X takes the specific value x with probability P(X=x) Then add together x * P(X = x) for all possible values of x. For continuous distributions, suppose the probability distribution function of the variable X is f(x). Then the mean is the integral of x*f(x) with respect to x, taken over all possible values of x.
What does it mean to solve an equaton?
To find the x or x's values
