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Sidana [21]
2 years ago
5

Find the product of (4z2 + 7z - 8) and (-z + 3).

Mathematics
2 answers:
ValentinkaMS [17]2 years ago
8 0

Answer: -4z3 + 5z2 + 29z - 24

Step-by-step explanation:

Vesna [10]2 years ago
6 0

Answer:

5

29

Step-by-step explanation:

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Miguel reels his teacher that 1/5 is the same as 20% what best justifies Miguel’s answer
horrorfan [7]
If you do the proportion, you have to put 1/5 = 20/100. The 20 represents the percentage. Then you have to say to yourself that how many time 5 goes to 100, well its x20 then if we multiply 1 x 20 we'll get 20. So, he is correct, 1/5 = 20%. Remember what number we think of when we hear the word percent, the number is 100.
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3 years ago
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A study that looked at beverage consumption used sample sizes that were much smaller than previous national surveys. One part of
Sholpan [36]

Answer:

Step-by-step explanation:

In statistics, about 68 percent of values come in one standard deviation of the mean by using a standard normal model.   Approximately 95% of the data were all within two standard deviations from the mean. Almost all of the data are in the range of three standard deviations of the mean (roughly 99.7%).

The 68-95-99.7 law, also known as the Empirical Rule, is based on this evidence. 68 percent of the data values of a naturally distributed data collection of small children with a mean of 8.2 and a standard deviation of 10.8 would be between -2.2 and 19.0.

Within a mean of 14.1 as well as a standard deviation of 8.2, 68 percent of the data values in a usually distributed data collection of older children would be between 5.9 and 22.3.

However, we cannot conclude that the data is naturally distributed since the real actual data vary from the usual normal curve computed above.

Hence, various measures like either goodness of fit or theory testing, would be used for this.

5 0
3 years ago
What is an equivalent expression for 4y plus y
RideAnS [48]
4y plus y

= 4y + y

= 5y

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A factory worker conducted test on a random sample of 150 products. Of the products tested, 2 were found to have defects.Based o
goblinko [34]
60 would end up as defects
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Each cube in this rectangular prism is 1 cm3. What is the volume of the rectangular prism? A. 9 cm3 B. 20 cm3 C. 40 cm3 D. 48 cm
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Did this test its c. 40
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