There are three questions, and three choices of answers (A,B and C) for each question. Given that only one of the possible choices (A,B and C) is correct for each question, state the probability that the student guesses:Q1: 1 correct answer. Q2: 2 correct answer
Q3: 3 correct answer. Q4: 0 correct answer
Please use tree diagram to explain.
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Final answer:
0.5 as a decimal can be converted to a fraction by considering the place value. In this case, that's 5 over 10 due to the decimal being in the tenths place. However, this fraction should be simplified to the lowest term, which brings it to 1/2.
Explanation:
The conversion of the decimal number to a fraction is achievable by understanding that decimal numbers are a portion of whole numbers. In this case, 0.5 is your given decimal number. To convert this decimal to a fraction, you consider the place value of the decimal number. In this scenario, 0.5 is a decimal in the tenths place. Therefore, you can make the number 5 (extracted from 0.5) as your numerator and 10 (which signifies 1 whole consisting of ten tenths) as your denominator. However, this gives you 5/10, and it's customary to simplify a fraction to its lowest term. By dividing both the numerator and denominator by their biggest common factor which is 5, you get 1/2 as the simplified fractional equivalent of the decimal 0.5.
So, 0.5 as a fraction is b) 1/2.
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Answer:
1/2
Step-by-step explanation:
0.5=5/10=1/2
Whenever the number is right after the decimal point, it is always divided by 10.
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2.cos23°
3.tan(-23°)
Please
Answer any question you know
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2) cos² x +sin² x=1==>cos x=√(1+sin² x)=√(1+k)
3)tan (-x)=-tan (x) =-sin (x)/cos (x) =- √k/√(1+k)=√(k/(1+k))
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41 years ago, when Sally was 13 and her mother was 39.
Step-by-step explanation: I've heard this question b4