The rational numbers are the positive counting numbers: 1, 2, 3, 4, . . .
The whole number are the natural numbers plus 0: 0, 1, 2, 3, . . .
The irrational numbers are the numbers which cannot be expressed in the form a/b where a and b are integers. They are usually in the form of a non recurring and non terminating decimals.
The integers complices of both the negative and the positive whole numbers.
In winter, the temperature of Alaska usually drop to negative numbers.
Therefore, the <span>set of numbers is the most reasonable to describe the temperature in alaska during the winter is the set of integers.</span>
Answer:
t + s >= 20 and t > = s + 5
Step-by-step explanation:
Let the number of working hours as a math tutor be t and the number of working hours at the grocery store be s.
It is told that Olivia works no fewer than 20 total hours at the two jobs.
So,
number of working hours as a math tutor + number of working hours at the grocery store >= 20
=> t + s >= 20 ____(1)
Again, it is told that she always spends at least 5 more hours working as a math tutor than she spends working at the grocery store.
So,
number of working hours as a math tutor >= number of working hours at the grocery store + 5
=> t > = s + 5 ____(2)
P(x < a) = 0.6985
Z score at p = 0.6985 using excel = NORM.S.INV(0.6985) = 0.5201
Answer:
the coefficient Is the number multiplied by a variable