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jeka57 [31]
1 year ago
7

Use the information provided to answer Part A and Part B. A store owner paid \$ 15$15 for a book. She marked up the price of the

book by 40\%40% to determine its selling price. ​ Part A What is the selling price, in dollars, of the book? ​Enter your answer in the box. ​ Part B A customer buys a different book that has an original selling price of \$ 38$38. The book is discounted 25\%25%. The customer must pay a 6\%6% sales tax on the discounted price of the book. ​What is the total amount, in dollars, the customer pays for the discounted book? ​Enter your answer in the box.
Mathematics
1 answer:
Ymorist [56]1 year ago
7 0

Answer City's breaking down on a camel's back

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A company establishes a fund of 120 from which it wants to pay an amount,C, to any of its 20 employees who achieve a high-perfor
Leno4ka [110]

Answer:

C=120/2=60

Step by step Explanation'

To solve this problem, we will need to apply trial-and-error calculation with the binomial distribution, even though it appears like Central Limit Theorem but it's not.

For us to know the value of C , we will look for a minimum integer such that having 'n' number of high performance level of employee has the probability below 0.01.

Determine the maximum value of C, then the maximum value that C can have is 120/n

Let us represent X as the number of employees with high performance with a binomial distribution of

P =0.02( since the percentage of chance of achieving a high performance level is 2%)

n = 20 ( number of employees who achieve a high performance level)

The probability of X= 0 can be calculated

P( X= 0) = 0.98^n

P(X=0)=0.98^20

P(X=0)=0.668

P(X=1)=0.02*20*0.98^19

P(X=1)=0.272

P(X=2)=0.02^2*20*0.98^18

P(X=2)=0.053

Summation of P( X= 0)+ P( X= 1)+P( X= 2) will give us the value of 0.993 which is greater than 0.99( 1% that the fund will be inadequate to cover all payments for high performance.)

BUT the summation of P( X= 0)+ P( X= 1) will give the value of 0.94 which doesn't exceed the 0.99 value,

Therefore, the minimum value of integer in such a way that P(X >2) is less than 0.01 have n= 2

then the maximum value that C can have is 120/n

C=120/2=60

7 0
3 years ago
Solve the equation p/4+10=14
Gelneren [198K]

Answer:

p=16

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A standard clock has a 1-cm hour hand and a 2-cm minute hand. At 12 pm, they are both pointing in the same direction and the dis
Levart [38]

Answer:

The distance between the hands is √(3)cm ≈ 1.73cm.

Step-by-step explanation:

In a standard clock, the angle between every number is 30°, therefore the angle between 12 and 2 will be 30° x 2 = 60°.

Looking at the diagram, to find c we can make use of our cosine formula

c² = a² + b² –2abCos(C°)

a = 2, b = 1 and C° = 60°

Therefore we have:

c² = 2² + 1² –2 x 2 x 1 x cos(60°) =

c² = 4 + 1 – 4 x 0.5 =

c² = 5 – 2 =

c² = 3

c = √(3) ≈ 1.73

Therefore, the distance between the hands is √(3)cm ≈ 1.73cm.

8 0
2 years ago
HELP ME PLEASE HELPPPPPPPPPPPPPPPPPPPPPP
padilas [110]

Answer:

Im pretty sure its the top right sqaure.

Step-by-step explanation:

5 0
2 years ago
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A rectangular room is three times as long as it is wide, and its perimeter is 64 meters. Find the width of the room.
koban [17]
W = 3L so 64 = WL = (3L)(L) = 3 L ^2 Square root both sides. W = 8
6 0
3 years ago
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