Answer:
The prevalence rate of flu cases requiring hospitalization thus far in 2018 is:
= 0.13%
Step-by-step explanation:
a) Data and Calculations:
Population of Portland, ME = 70,000
Number of flu cases requiring hospitalization on February 1st, 2018 = 43
Number of flu cases requiring hospitalization on July 4th, 2018 = 90
The prevalence rate of flu cases requiring hospitalization thus far in 2018 = 90/70,000 * 100 = 0.13%
b) The prevalence rate represents the proportion of the population of Portland, ME, who have the flu at the time that the Maine Public Health Department reported the number of flu cases requiring hospitalization on July 4th, 2018.
Complementary angles equal 90 degrees.
The first two graphs angle a and b equal 90’degrees.
The first two are correct
Answer:
y = (-6/7)x - 1
Step-by-step explanation:
There's a dot where this line crosses the y-axis; it's represented by the point (0, -1). Consequently, the y-intercept, b, of this line is -1.
As x increases from -6 to 0, y decreases from 7 to -1. The change in x is 7 units and the change in y is -6 units. Thus, the slope of this line is
m = rise / run = -6 / 7.
Again, the y-intercept is b = -1.
Thus, inserting the knowns into the slope-intercept form of the equation of a straight line results in:
y = (-6/7)x - 1
#1
Lets x = number of adult tickets
Lets y = number of children tickets
equation 1: 8x + 4y = 5040
equation 2: x + y = 680
solve them by using substitution
x + y = 680
x = 680 - y
substitute x = 680 - y into 8x + 4y = 5040
8(680 - y) + 4y = 5040
5440 - 8y + 4y = 5040
-4y = 5040 - 5440
-4y = -400
y = 100
x = 680 - y
x = 680 - 100
x = 580
Answer:
There were 580 adults and 100 children at the last Miller's home basketball game.
#2
Similar to the #1
Lets x is the number of people riding school bus
Lets y is the number of people riding luxury charter bus
equation 1: x + y = 65
equation 2: 8x + 15y = 611
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