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IgorC [24]
3 years ago
12

End of semester help

Mathematics
1 answer:
aliya0001 [1]3 years ago
6 0

Answer:

Step-by-step explanation:

A= 1/2 bh

10.98  = 1/2b (3.6)

10.98=b/2 (3.6)

10.98=b (1.8)

10.98/1.8=b

6.1=b

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3 years ago
On an eight question true-false quiz, a student guesses each answer. What is the probability that he/she gets at least one of th
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Answer:

P[at\ least\ 1] = 0.9961

Step-by-step explanation:

Given

Questions = 8

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Similarly, the probability of answering a question, wrongly is:

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<em></em>

<em>Hence, the probability that s/he gets at least one correctly is 0.9961</em>

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Step-by-step explanation:

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3 0
2 years ago
Read 2 more answers
nhà bác hà được 240kg gạo nếp và gạo tẻ. biết số gạo nếp nhiều hoen số gạo tẻ là 20kg. hỏi nhà bác Hà thu được bao nhiêu kí gạo
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