For a field trip 27 students rode in cars and the rest filled three buses. How many students were in each bus if 147 students we
2 answers:
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Answer:
in the explanation
Step-by-step explanation:
In a 30-60-90 triangle, the ratio of the leg opposite to 30 to the leg opposite to 60 to the hypotenuse is 1::2.
So, the 7 inch leg is the 1, the other leg is 7 in and the hypotenuse is 14 in.
Hope this helps!
Answer:
The null hypothesis is .
The alternate hypothesis is
Step-by-step explanation:
Null hypothesis:
The previously report, the known value.
Alternate hypothesis:
What is questioned(higher, lower, different,...) of the null hypothesis
Previously, an organization reported that teenagers spent an average of 4.3 hours per week, on average, on the phone.
This means that the null hypothesis is .
The organization thinks that, currently, the mean is higher.
That is, higher than 4.3. So
The alternate hypothesis is