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Tema [17]
2 years ago
8

If Rs.8000 earns an interest of Rs.720.Find the total that has to be paid?

Mathematics
2 answers:
V125BC [204]2 years ago
8 0

Answer:

8720 Is the answer you just have to add them.

8000+720

snow_tiger [21]2 years ago
6 0

Answer:

8720

Step-by-step explanation:

just do 8000 + 720

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Alvin's age is two times Elga's age. The sum of their ages is 84 . What is Elga's age?
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Alvin's age + Elga's age = 84
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3 R                                   = 84
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6 0
2 years ago
An English professor assigns letter grades on a test according to the following scheme. A: Top 15% of scores B: Scores below the
lisabon 2012 [21]

Answer:

59 to 66

Step-by-step explanation:

Mean test scores = u = 74.2

Standard Deviation = \sigma = 9.6

According to the given data, following is the range of grades:

Grade A: 85% to 100%

Grade B: 55% to 85%

Grade C: 19% to 55%

Grade D: 6% to 19%

Grade F: 0% to 6%

So, the grade D will be given to the students from 6% to 19% scores. We can convert these percentages to numerical limits using the z scores. First we need to to identify the corresponding z scores of these limits.

6% to 19% in decimal form would be 0.06 to 0.19. Corresponding z score for  0.06 is -1.56 and that for 0.19 is -0.88 (From the z table)

The formula for z score is:

z=\frac{x-u}{\sigma}

For z = -1.56, we get:

-1.56=\frac{x-74.2}{9.6}\\\\ x = 59

For z = -0.88, we get:

-0.88=\frac{x-74.2}{9.6}\\\\ x = 66

Therefore, a numerical limits for a D grade would be from 59 to 66 (rounded to nearest whole numbers)

7 0
3 years ago
What is the area of a regular hexagon with a side length of 4 m? Enter your answer in the box. Round only your final answer to t
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The area of a hexagon is 
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That would be $110.16
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I think B would be the right answer
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3 years ago
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