Answer:
Step-by-step explanation:
Isolate the variable by dividing each side by factors that dont't contain the variable.
-8 -8
Divide both sides by 5.
Answer:
Step-by-step explanation:
While working at his neighborhood math tutoring center researching the comprehension level of the students Dion investigated that the distribution of the student test scores are normally distributed with a mean of 79.13 and a standard deviation of 6.34. What is the probability that the student scores less than 60.11
We solve using z score formula
z = (x-μ)/σ, where x is the raw score, μ is the population mean, and σ is the population standard deviation.
z = 60.11 - 79.13/6.34
Answer:
the answer is table 2
Step-by-step explanation:
and you don't suck you just have to try harder
hope this helped
Answer: 3 1/3 hours
Step-by-step explanation:
Tina rate: 1/5 job/hr
Together rate: 1/2 job/hr
Tyra rate: 1/x job/hr
---------
Equation:
rate + rate = together rate
1/5 + 1/x = 1/2
2x + 10 = 5x
3x = 10
x = 3 1/3 hrs (time for Tyra to do the job alone)
Answer: 3 cakes were at the party
Step-by-step explanation:
Multiply 1/8*24 to find the exact number of cakes that were at the party
Hope this helps :)
