(-40) ? 8 =( -5) what is the answer for the "? " ( Dvision,subtrace)???
1 answer:
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Answer:
Each month you should save $ 150
Step-by-step explanation:
First, the earnings are given per year, so we need to transform $36000/year into dollars per month. So, using a rule of three as following, we obtain:
$ 36,000 ------------- 12 months
X -------------- 1 month
Solving for X, we get:
X = $ 3,000 /month
it means that earn $36,000/year is equivalent to earn $3,000/month
Now, we need to find the 5% of $3,000, this can be calculated making the following multiplication:
Then, each month you should save $150
Answer:
Option D)
The area below the standardized test score is 0.8413
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 85
Standard Deviation, σ = 5
We are given that the distribution of score is a bell shaped distribution that is a normal distribution.
Formula:
P(score is below 90)
Calculation the value from standard normal z table, we have,
Thus, the correct answer is
Option D)
The area below the standardized test score is 0.8413