Profit = revenue - expenses
250 = 25x - (12x + 60)
250 = 25x - 12x - 60
250 = 13x - 60
250 + 60 = 13x
310 = 13x
310/13 = x
23.85 = x....so she would have to sell 24 purses
ANSWER
The discriminant is zero.
The given equation has one real root.
EXPLANATION
The given quadratic equation is:
We rewrite this in the form;
This means that,
a=-2, b= 8, c=-8
The discriminant is given by;
D=b² - 4ac
That is:
Therefore the discriminant is zero.
This tells us that the quadratic equation has one real root.
In order words, the given quadratic equation has a repeated real root.
Answer:
2.71 feet
Step-by-step explanation:
An architect believes that kitchens should be 2.25 times as long as they are wide.
This means
Width of kitchen = 2.25 × Length of the Kitchen
W = 2.25L
L = W/2.25
We are asked: how long a kitchen should be if it is 6.1 feet wide.
We have the proportion
L = W/2.25
W = 6.1
L = 6.1/2.25
L = 2.7111111111 feet
Therefore, the length of a kitchen = 2.71 feet when the kitchen is 6.1 feet wide.
Slope = y2-y1/x2-x1
slope = 0 - -5/0 - 3
slope = 5/-3
Answer:
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