The missing side is 17 and rounded it is 20
Answer:
A
Step-by-step explanation:
Rational numbers have an ending decimal expansion. If you put the other numbers into a calculator you will se that there is just more numbers after the decimal point
Answer:
m∠A ≈ 27°
Step-by-step explanation:
To solve this, we take the inverse cos of 0.8949. When we do so on the calculator, we get 26.5044°
Answer: 4.75%.
Step-by-step explanation:
Given: The mean weight
of 500 college students is 70 kg and the standard deviation
is 3 kg.
Let X be the number of students weight over 75 kg.
If the weight is normally distributed, then the probability that students weigh over 75 kg:

Hence, the percentage of students weigh over 75 kg = 4.75%.