(5 × 2) + (5 × 4) = 5 × (2 + 4) Which picture represents this equation?

Mathematics

2 answers:

Murljashka [212]3 years ago

8 0

Answer:

They both equal 30, so if the question is are both equal the statement is true!

Note: I would appreciate if you give me 5 stars, a thanks, and brainiest :)

Arlecino [84]3 years ago

4 0

I would’ve guess it’s 10+20=10+20 since you didn’t show no pic :|

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Does this sample have a bias

raketka [301]

Answer:

Yes, the sample has a bias

Step-by-step explanation:

Bias is the term used in statistics to describe a systematic distortion in the samples obtained for the parameter being estimated. It is evident by obtaining values higher or lower than that of the average population for the parameter being measured. As such the data is a misrepresentation of the population and cannot be trusted to give a good indices of things.

This sample has a bias because the concerned citizen opted to use a convenience sampling instead of using random sampling. In random sampling, every individual has an equal chance of being chosen which is unlike the convenience sampling when only a specific group of individuals can be chosen. In this case, the bias was introduced when the citizen went to stand outside the courthouse with his petition, the citizen should have taken samples across diverse geographical locations and professional institutions. The implication of this sampling is that a significant percentage of the population has been sidelined (considering they would not be in or around the courthouse) from the sampling and the sampling has been restricted to only those who have business around the courthouse. The result is that whatever samples he/she obtains will not be an accurate representation of the parameter being measure from the population.

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2 years ago

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Elanso [62]

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Step-by-step explanation:

1. Simplify both fractions into a common denominator:

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2. Compare:

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3. Answer: