Answer:
the answer is 72 un. sq.
Step-by-step explanation:
Answer:
72
Step-by-step explanation:
c=9
d=8
cd = c*d
substitute in what they give you the variables equal to
cd=9*8=72
9514 1404 393
Explanation:
Using a random number generator to choose coefficients, we can substitute the required solution to find the constants in the equations. Here is one possible set of equations.
17x +7y +8z = 6
12x -6y +z = -16
14x +8y +11z = 16
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<em>Additional comment</em>
"Standard form" requires the x-coefficient be positive. Truth be told, the random number generator came up with negative numbers for the first and last equations (on the second try). On the first try, it came up with a couple of zero coefficients. Such is the behavior of random numbers.
The trick with choosing a set of numbers "by hand" is doing it in such a way that the equations are independent.
Using the scatter plot, we can obtain the prediction for the number of beach visitors when the average daily temperature is 88°F by drawing a line of best fit which cuts through at least 3 points. When we do this we obtain the best estimate to be 350 visitors.
Answer: B] 350 visitors
