Answer: The estimate is greater than the actual mass.
Answer: 4 / 5
Step-by-step explanation: 1) For a right triangle, the ratio sine is defined as:
sin(x) = opposite-leg / hypotenuse
2) x is the angle. In this case: A
3) As per the figure, the opposite leg to tha angle A measures 28
4) As per the figure, the hypotenuse measures 35
5) Calculations:
sin(A) = 28 / 35
Simplify dividing both numerator and denominator by 7 => 28/35 = 4/5
Answer:
She can write
5 1/2 hours or 5.5 hours.
Step-by-step explanation:
Explanation:
The problem with writing time is that there are two systems.
The decimal system is based on powers of 10, while the time system is based on 60.
Amelia cannot write 5.3 this would mean 5 3/10 hours.
30 minutes is 30/
60 = 1/2=0.5 of an hour
She needs to show 5 full hours and 1
/2 hour.
5 30/60 hours.
She can write
5 1/2 hours or 5.5 hours.
Answer:
a) P=0.535
b) P=0.204
c) P=0.286
Step-by-step explanation:
The exponential distribution is expressed as
In this example, λ=1/8=0.125 min⁻¹.
a) The probability of having to wait more than 5 minutes
b) The probability of having to wait between 10 and 20 minutes
c) The exponential distribution is memory-less, so it is independent of past events.
If you have waited 5 minutes, the probability of waiting more than 15 minutes in total is the same as the probability of waiting 15-5=10 minutes.