Answer:
16
Step-by-step explanation:
Step 1: Figure out how many juniors and seniors there are
50(0.6) = 30 seniors
50 - 30 = 20 juniors
Step 2: Find out how many juniors + seniors stay in the program
30(0.8) = 24 seniors in the after-school program
20(0.4) = 8 juniors in the after-school program
Step 3: Find the difference
24 - 8 = 16
And we have your final answer!
Answer:
y < -2/3x +4
Step-by-step explanation:
The line intersects the y-axis at y=4, so that is the y-intercept.
The line drops 2 units for each 3 units to the right, so the slope is ...
(change in y)/(change in x) = -2/3
The slope-intercept form of the equation for a line is a form you have memorized:
y = mx + b . . . . . . for slope m and y-intercept b
Using the values we read from the graph, the equation of the line is ...
y = -2/3x + 4
The line is dashed, so the inequality does not include points on the line. The solution just includes y-values less than (below) those on the line. Hence the inequality is ...
y < (-2/3)x +4
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Answer:
29
Step-by-step explanation:
Put x=0 into the function and do the arithmetic.
h(0) = 29(5.2)^0 = 29(1)
h(0) = 29 . . . . the y-intercept