Gina is comparing four long distance phone plans. The table shows the cost of each plan. If Gina plans to use less than 500 minu
tes each month, the most cost effective plan is
plan A
plan B
Plan C
Plan D
plan A
plan B
Plan C
Plan D
2 answers:
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Answer:
Step-by-step explanation:
You must draw a right triangle as the one attached, where "x" is the lenght in feet of the ramp.
You need to use the following Trigonometric Identity:
In this case you can identify that:
Now you must substitute these values into :
Finally, you must solve for "x" in order to find its value.
This is:
Answer:
(x, y) = (3, -4)
Step-by-step explanation:
See the attached for a graph.
Given:
The sample size n=25
Probability of population is 65 or older is 10.5%.
This date follows the binomial distribution,
To find the probability that at most 2 are 65 or older,
Answer: Probability is 0.504 .