Evaluate the expression x/2+5x−7 when x=2 .
2 answers:
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Answer:
5.495 inches.
Step-by-step explanation:
We have been given that Monet measures the diameter of an Oreo and finds that each cookie is 1.75 inches across. We are asked to find the circumference of an Oreo.
We know that circumference of circle is equal to , where r represents radius of circle.
We also know that diameter is 2 times radius.
Upon substituting , we will get:
Using 3.14 as an estimation for π, we will get:
Therefore, the circumference of an Oreo would be 5.495 inches.
Answer:
The area of the shaded region is 0.2898.
Step-by-step explanation:
Let <em>X</em> represent the IQ scores of adults.
It is provided that .
Compute the probability of an adult having an IQ between 106 and 124 as follows:
*Use a <em>z</em>-table.
Thus, the area of the shaded region is 0.2898.
<u>Complete Question</u>
The two-way table below gives the thousands of commuters in Massachusetts in 2015 by transportation method and one-way length of commute.
Answer:
Step-by-step explanation:
From the table above
Total Number of commuters who used public transportation=329
Number of commuters who spent 60 or more minutes on public transportation=108
Therefore:
Given that a commuter used public transportation, the probability that the commuter had a commute of 60 or more minutes:
P ( 60 + minutes ∣ public transportation ) =