Point A is on a number line halfway between −17−17 and 55. Point B is halfway between point A and 0. What integer does the point
1 answer:
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Answer:
1st graph: m = -1/2. (m is the slope)
2nd graph: m = 3/2.
3rd graph: Midpoint = (1/2, 1/2)
Step-by-step explanation:
1st graph:
Find the slope by looking for two points on the line. Use the formula
We can derive the points (-3, 0) and (1, -2). Plug these into the equation above.
Simplify this, giving you: m = -1/2.
2nd graph:
Use the same formula as stated above. From this graph, you can plug in the points (-1, 1) and (1, 4)
Simplifying gets you: m = 3/2.
3rd graph:
To find the midpoint, use the formula:
Plug in the end-points of the graph, or (-3, 2) and (4, -1).
You get:
Simplify:
Midpoint = (1/2, 1/2)
Option a is correct. The calculated answer is 0.150
<h3>How to get the value using the cdf</h3>In order to get P(0.5 ≤ X ≤ 1.5).
This can be rewritten as
p = 0.5
and P = 1.5
We have the equation as
This would be written as
1.5²/16 - 0.5²/16
= 0.1406 - 0.015625
= 0.124975
This is approximately 0.1250
Read more on cdf here:
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<h3>complete question</h3>Use the cdf to determine P(0.5 ≤ X ≤ 1.5).
a) 0.1250
b) 0.0339
c) 0.1406
d) 0.0677
e) 0.8750
f) None of the above