Which algebraic expression represents "twice the sum of y and 9" A. 2+9y B.2(9y) C.2(y+9) D. 2+(y+9)
1 answer:
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Answer:
Lowest acceptable score = 121.3
Step-by-step explanation:
Mean test score (μ) = 115
Standard deviation (σ) = 12
The z-score for any given test score 'X' is defined as:
In this situation, the organization is looking for people who scored in the upper 30% range, that is, people at or above the 70-th percentile of the normally distributed scores. At the 70-th percentile, the corresponding z-score is 0.525 (obtained from a z-score table). The minimum score, X, that would enable a candidate to apply for membership is:
Answer:
She made $117.25
Step-by-step explanation:
Consider the provided information.
The price of marigold(M) is $5.75.
The price of daisy(D) is $6.25.
The price of roses(R) is $2.50.
The price of Lilies(L) is $3.75
She sold 8 marigold flats and 10 daisy flats. An hour before closing, she sold 5 bunches of roses at half price and 2 bunches of lilies for 1/3 of the price
Total money Paloma made =
Now substitute the respective value
Total money Paloma made =
Total money Paloma made =
Total money Paloma made =
Hence, she made $117.25