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IgorLugansk [536]
2 years ago
13

Aditi has $50. 00 in her wallet. She buys a shirt for $12. 00 and also wants to buy some bracelets that are on sale for $0. 60 e

ach. The inequality below relates x, the number of bracelets she can buy, with her shirt purchase and the money in her wallet. 12 0. 60 x less-than-or-equal-to 50 What is the greatest number of bracelets she could buy? 20 30 63 83.
Mathematics
1 answer:
aliya0001 [1]2 years ago
4 0

Answer:

12

Step-by-step explanation:

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The temperature of coffee served at a restaurant is normally distributed with an average temperature of 160 degrees Fahrenheit a
posledela

Answer:

The 20th percentile of coffee temperature is 155.4532 degrees Fahrenheit.  

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 160 degrees

Standard Deviation, σ = 5.4 degrees

We are given that the distribution of temperature of coffee is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

We have to find the value of x such that the probability is 0.2

P( X < x) = P( z < \displaystyle\frac{x - 160}{5.4})=0.2  

Calculation the value from standard normal z table, we have,  

\displaystyle\frac{x - 160}{5.4} = -0.842\\\\x = 155.4532  

Thus,

P_{20}=155.4532

The 20th percentile of coffee temperature is 155.4532 degrees Fahrenheit.

7 0
2 years ago
Can anyone help with this math problem?
Ne4ueva [31]
The answer is 8. You rewrite the fraction as 5.25.
6 0
2 years ago
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the length of a rectangle is 5 cm less than 3 time its width. if the perimeter of the rectangle is 54 cm, find the length and wi
castortr0y [4]

length = 3x - 5 \\ width \:  = x \\ p = 2l + 2w \\ 54 = 2(3x - 5) + 2x \\ 54 = 6x - 10 + 2x \\ 54 = 8x - 10 \\ 64 = 8x \\ x = 8 = width \\ 3(8) - 5 = 24 - 5 = 19 \\ length = 19
6 0
2 years ago
Cam’s Sports is offering 20% OFF a basketball that costs $20. The same basketball costs $14.99 at Hoops Haven. Which store offer
Gelneren [198K]

Answer: Hoops Haven

Step-by-step explanation:

5 0
2 years ago
What percent of 72 is 129?
Pavlova-9 [17]

Divide 72 by 129 , then multiply the decimal by 100:

72 / 129 = 0.55813

0.55813 x 100 = 55.813% (Round the answer as needed).

6 0
3 years ago
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