This week, 951 people went to the beach. Last week, 1 comma 221 people went to the beach. The number of people who went to the
1 answer:
Answer:
22.11% < 25%
Step-by-step explanation:
In the last week, 1221 people went to the beach and this week 951 people went to the beach.
So, the reduction in the number of people went to the beach this week will be (1221 - 951) = 270.
Therefore, the percentage reduction in the number of people went to the beach this week will be %.
So, the percent reduction is less than 25%. (Answer)
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Answer: a = 4
Step-by-step explanation: Area of a triangle is calculated as: .
The triangle formed by the parabola has base (b) equal to the distance between the points where the graph touches x-axis and height (h) is the point where graph touches the y-axis.
The points on the x-axis are the roots of the quadratic equation:
a(x-3)(x+2)=0
(x-3)(x+2)=0
x - 3 = 0
x = 3
or
x + 2 = 0
x = -2
So, base is the distance between (-2,0) and (3,0).
Since they are in the same coordinate, distance will be:
b = 3 - (-2)
b = 5
Area of the triangle is 10. So constant a is
5a = 10.2
a = 4
The constant a of the function y = a(x-3)(x+2) is 4.