34.1754 is the answer because if 50 km an hour is 31.0685 just add the other km's
Answer:
3.3
Step-by-step explanation:
logging in and answering
Answer:

Using Pedmas rule:

<u>subtract: 6-6 = 0</u>

<u>simplify the following</u>

<u>the numerator and denominator cancels out</u>

Answer:
2. When substituting x=2 and y=1 into the equation, you get a true statement.
<em>Hope this helps you.</em>
Answer:
, option D
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of
, and a confidence level of
, we have the following confidence interval of proportions.

In which
z is the zscore that has a pvalue of
.
From a random sample of 50 students, she found that 32 students read at least 1 book last month.
This means that 
90% confidence level
So
, z is the value of Z that has a pvalue of
, so
.
Confidence interval:


So the correct answer is given by option D.