If we substitute equation (2) into (1) then we have the equivalent equations; y = 5 - x and 5 - x = 9x².
<h3>What is a mathematical equation?</h3>
An equation must contain two sets of variables, the independent variable and the dependent variable separated by the equality sign.
In this case, the original system of equations are; y = 9x² and x + y = 5. It the follows that, if we substitute equation (2) into (1) then we have the equivalent equations; y = 5 - x and 5 - x = 9x².
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Answer:
D.
The points do not follow the line of fit, and the line is increasing.
Step-by-step explanation:
Given that correlation coefficient between two variables x and y is 0.30
This implies that there is a positive relationship in other words, when x increases y increases.
Since r is close to 0 than to 1, there is a weak correlation only.
So all points will not lie very close to the line.
There will be positive slope and hence line would be increasing.
Out of the four options correct option would be that which says all points do not follow line of fit and line increases
So option d is right
D.
The points do not follow the line of fit, and the line is increasing.
Answer:
(x,y) = (0,9)
Step-by-step explanation:
Answer:
4 ft
Step-by-step explanation:
195/78=2.5
10/2.5=4