This expression is factored completely. However, if we foil, we can make it to it's original expression.
When you foil, you get:
Simplify.
Kari drew two parallel lines PQ and RS intersected by a transversal KL, as shown below:
2 answers:
It is given in the question that
Two parallel lines PQ and RS are drawn with KL as a transversal intersecting PQ at point M and RS at point N. Angle QMN is shown congruent to angle LNS.
In parallel lines, alternate interior angles and alternate exterior angles are congruent .
And sum of angles of same side interior angles is 180 degree.
Therefore sum of measurements of angles QML and SNK is 180 degree. So they are supplementary angles.
Correct option is C.
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Answer:
a) 81.5%
b) 95%
c) 75%
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 266 days
Standard Deviation, σ = 15 days
We are given that the distribution of length of human pregnancies is a bell shaped distribution that is a normal distribution.
Formula:
a) P(between 236 and 281 days)
b) a) P(last between 236 and 296)
c) If the data is not normally distributed.
Then, according to Chebyshev's theorem, at least data lies within k standard deviation of mean.
For k = 2
Atleast 75% of data lies within two standard deviation for a non normal data.
Thus, atleast 75% of pregnancies last between 236 and 296 days approximately.
Answer:
seconds
Step-by-step explanation:
When the ball hits the ground, its height will obviously be 0. Therefore, you can set up the equation the following way:
Plugging this into the quadratic equation, you get:
Since the time must be positive, it takes the ball seconds to hit the ground, or around 3.828. Hope this helps!