Answer:
14.89% or 0.1489
Step-by-step explanation:
First, find the z-score for both 70 and 80 minutes and their corresponding percentile.
For X = 70 minutes:
This z-score is equivalent to the 7.445 th percentile, so the probability of a student finishing this exam in less than 70 minutes is 7.445%
or X = 80 minutes:
This z-score is equivalent to the 92.555 th percentile, so the probability of a student finishing this exam in more than 80 minutes is 100- 92.555 = 7.445%
Therefore, the probability (P) of a student finishing this exam in less than 70 minutes or more than 80 minutes is:
P = 7.445% + 7.445% = 14.89%
Answer:
- 2 seconds to maximum height
- 20 meters maximum height
- 4 seconds to reach the ground
Step-by-step explanation:
The function can be graphed using a graphing calculator, geometry app, or spreadsheet. One such graph is attached. Often, these tools are capable of identifying extrema and intercepts.
__
<h3>extreme</h3>
The vertex of the graph is reported as (x, y) = (2, 20). This means the maximum height is reached after 2 seconds. That maximum height is 20 meters.
__
<h3>intercept</h3>
The drop is launched from ground level at x = 0 seconds. It returns to ground level at x = 4 seconds.
The answer to the question is B.
We can use ratios to solve this.
cross multiply equations
32x = 15 x 200
32x = 3000
x = 3000/32
x = 93.75
15 pound person on the moon would weigh 93.75 pound on earth.
Answer:
B) A = 52.3°, b = 1.7 m, c = 2.8 m
Step-by-step explanation:
We know that it is a right angle triangle because C = 90°
because of that we can do 180 - 90 + 37.7
which is a=52.3
Because it is a right angle triangle, we can use sin, cos,tan
I will use sin to find the side of c
2.2 is a
sin 52.3 = 2.2/x
x= 2.2/ sin 52.3
x=2.78
You could do cos or tan but the pythagorean theorem for me is much faster
so it looks like this, a^2+b^2 =c^2
in this case we have both a and c we want b
so we rearrange
c^2-a^2=b^2
2.78^2-2.2^2= b^2
=b
1.7=b
therefore it would be this option B) A = 52.3°, b = 1.7 m, c = 2.8 m
