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Answer:
The value of x is 3.
Step-by-step explanation:
Matthew earned 7500 of 15000, which is exactly half the total amount, meaning that the fraction corresponding to his earnings is 1/2.
Rate of 5:2:x, with number 5 corresponding to Matthew, mean that his fraction of the earnings, in function of x is given by:
Both fractions are equal, so:
Applying cross multiplication:
The value of x is 3.
Answer:
Step-by-step explanation:
There is a double root at x=5 and a single root at x=-2, so we know f(x) is of the form for some constant a.
To find a, we can substitute the coordinates of the y-intercept, (0, -50).
So,