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Digiron [165]
2 years ago
5

Does either item below contradict the statement: "The sum of two rational

Mathematics
1 answer:
valina [46]2 years ago
5 0

Answer:

I think it's b

Step-by-step explanation:

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A sport man runs 96m in 8seconds. Find the rate in metres per seconds
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Answer:

12m/s

Step-by-step explanation:

96/8 = 12

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A lorry is travelling at an average
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Hi! I would like help on this, I’m a first-timer on brainly! The answer choices are:
sergeinik [125]

Answer:

B

Step-by-step explanation:

No matter what value you multiply a, the fraction will remain unchanged. That is because you can divide an a out from the numerator and the denominator. Thus, doubling a has no affect on the fraction, and in fact, u can simplify it to just bc. Now, if you halve b, it will simply just halve the actual value. When you halve b, you are simply executing (1/2)(b)(c). Therefore, you can rearrange the expression to be (1/2)(bc), which is just halving bc. If you decrease by 1/2, it's the same thing as being half of the value it was before. Therefore, the answer is b.

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2 years ago
Define confidence interval and degree of confidence. Provide at least one example of a confidence interval and interpret the res
sdas [7]

Answer:

confidence interval:

This tells us the degree of certainty or uncertainty that is existent in a sampling method. It gives us a range of values, telling us we are fairly sure that our true value or parameter lies within the range.

Degree of confidence:

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If we have 95% degree of confidence, we are 95% sure that that the exact/true parameter are in the confidence interval

3 0
2 years ago
What is (9−7)×9−9+3? Use order of operations to evaluate the expression below.
Mumz [18]

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12

Step-by-step explanation:

I did order of operations, GEMA OR PEMDAS, etc.

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2 years ago
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