Does favorite food depend on your gender? A survey asks a group of college students about their favorite foods. It also groups t
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Answer:
gradient =
Step-by-step explanation:
calculate the gradient m using the gradient formula
m =
with (x₁, y₁ ) = (- 6, 0) and (x₂, y₂ ) = (0, 2) ← 2 points on the line
m = =
=
=
The answer to the question is (2,-2) d
Answer:
Step-by-step explanation:
Given : The formula for the area of a trapezoid with altitude k and bases m and n is
We have solve for m .
Consider the given formula
Multiply both side by , we have,
Now subtract n both side, we have,
Thus,
<h2>Answer:</h2>
Variance
<h2>Step-by-step explanation:</h2>The standard deviation is related to the variance. The standard deviation measures the variation or dispersion of a set of data and is represented by the Greek letter sigma , while the variance measures how far a set of numbers are spread out from their average value. The variance is obtained by squaring the standard deviation, so the variance can be found as