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3 years ago

If an odd number of negative numbers are multiplied together, which of the following is true about their product?

Mathematics

1 answer:

aleksandrvk [35]3 years ago

5 0

Answer:

it will be a positive number that is even

Step-by-step explanation:

this is because two negative numbers multiplied make a positive and two odd number multiplied make an even.

please leave a thanks if im correct

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You and your friend mix water and cirtic acid. You add 3 cups of citrtic acid for every 16 cups of water Your friend adds 2 cups

Vlad [161]

Answer:

A's mixture is more acidic.

Step-by-step explanation:

Given:

Two friends mix water and citric acid.

One (Let A) add 3 cups of citric acid for every 16 cups of water and another (Let B)adds 2 cups of citric acid for every 12 cups of water.

Now, we have to find that whose mixture is more acidic means:-

Solution:

A add 3 cups of citric acid for every 16 cups of water, the ratio = $\frac{3}{16}$

B adds 2 cups of citric acid for every 12 cups of water = $\frac{2}{12}$

Now, to find that who mix more citric acid in the mixture, firstly we will equalize the denominator of both fraction by taking LCM so that can be compare easily.

LCM of 16 and 12:- 48

16 - 16, 32, 48, 64, 80, 96....

12 - 12, 24, 36, 48, 60, 72.......

For friend A - $\frac{3\times3}{16\times3} =\frac{9}{48}$

For friend B - $\frac{2\times4}{12\times4} =\frac{8}{48}$

We found that in terms of 48 cups of water, friend A mixes 9 cups of acid while friend B mixes 8 cups of acid, means A is adding more acid than B and hence friend A's mixture is more acidic.

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3 years ago

Suppose we want to estimate vaccination rates among employees in state government, and we know that our target population is 55

Soloha48 [4]

Answer:

The answer is Judgment sampling

Step-by-step explanation:

Judgment sampling also known as judgmental sampling is a form of sampling which is non probability(not every individual has a chance of being included) where sample members are chosen only on the basis of the researcher’s knowledge and judgment.

Judgmental sampling is effective when one feel that other sampling techniques will consume more time and that they have confidence in their knowledge to select a sample for conducting the research. It is also used in situations where the sample selected using other sampling methods need to be approved or filtered

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4 years ago

Alia needs to bring at least 25 pieces of fruit to a training practice. She suggested apples and oranges and was told to be sure

skad [1K]

I think the correct answers from the choices listed above are options B and C. The inequalities that would model the situation would be x + y ≥ 25 and x > 10. The word at least in the first part would mean less than or equal to. Hope this answers the question.

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3 years ago

Your relay team competes in the 4 x 400 meter relay. The individual times for your four member team are 56.25, 59.89, 58.55, and

Svetach [21]

<h3>Answer: Step-by-step explanation: You have to make an addition with the individual times: 56.25+59.89+58.55+55.4=230.17 seconds. Now you should to convert it into a minutes and seconds. 1 minute= 60 seconds 2 minute= 120 seconds 3minute= 180 seconds 4minute= 240 seconds In this way you they have 3 minutes and the remainder is 50 seconds. So, the time for the team is 3 minutes and 50.17 seconds.</h3>

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4 years ago

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Vikentia [17]

Answer:

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Step-by-step explanation:

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3 years ago