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Roman55 [17]
2 years ago
8

Mandy is setting up for a reception. For the number of seats needed, she knows she can use either 8 seats at each table with non

e left over, or 10 seats at each table with none left over. Which is the least number of seats she is setting up?
Mathematics
1 answer:
kenny6666 [7]2 years ago
8 0
100 according to my teacher
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no, 2 would be sitting on 1

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What's the answer will give brainliest
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2.964

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2. A statistics student plans to use a TI-84 Plus calculator on her final exam. From past experience, she estimates that there i
Anarel [89]

Answer:

  1. P(≥1 working) = 0.9936
  2. She raises her odds of completing the exam without failure by a factor of 13.5, from 11.5 : 1 to 155.25 : 1.

Step-by-step explanation:

1. Assuming the failure is in the calculator, not the operator, and the failures are independent, the probability of finishing with at least one working calculator is the complement of the probability that both will fail. That is ...

... P(≥1 working) = 1 - P(both fail) = 1 - P(fail)² = 1 - (1 - 0.92)² = 0.9936

2. The odds in favor of finishing an exam starting with only one calculator are 0.92 : 0.08 = 11.5 : 1.

If two calculators are brought to the exam, the odds in favor of at least one working calculator are 0.9936 : 0.0064 = 155.25 : 1.

This odds ratio is 155.25/11.5 = 13.5 times as good as the odds with only one calculator.

_____

My assessment is that there is significant gain from bringing a backup. (Personally, I might investigate why the probability of failure is so high. I have not had such bad luck with calculators, which makes me wonder if operator error is involved.)

7 0
3 years ago
The number 10^100 is called a googol. What kind of number is a googol? Select all correct answers.
lana66690 [7]

Answer: a, b, c, d

Step-by-step explanation: its not a fraction, its a integer, its positive, and is rational (every integer is rational).

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Find the area (shaded) and round to the tenths place if necessary.
fomenos

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9π - 9

Step-by-step explanation:

Depends on what the question stated was pi (π). The area of the circle is 9(3 squared) * π. the shaded area is the area of the circle - the area of the triangle. The area of the triangle is base * high / 2. If the diameter of the circle (6) is what we use as the base, then 3 would be the high, making the area 9. This means the shaded area would be 9π - 9.

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3 years ago
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