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avanturin [10]
3 years ago
14

Explain why 30 divided by x is the same as 30 -x-x-x-x-x-x equal 0

Mathematics
1 answer:
sattari [20]3 years ago
7 0
The value would be zero (0) bcuz if all ends up being 0 no matter how many zeros then yes it would be 0 as the value
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4 bracelets on Thursday and 3 on Friday she uses 5/6 yard for each bracelet
qwelly [4]

Answer:

35/6 yards

Step-by-step explanation:

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3 years ago
A taxi ride costs $3 plus $2 per mile. When you rode in the taxi, the total cost was $39. How many miles did you travel?
irakobra [83]

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18 miles

Step-by-step explanation:

Well, the problem did say a taxi ride costs $3 plus $2 for every mile. So, $39-3=$36, then, 36÷2=18 miles

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3 years ago
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Y=3x+2 scope and graphing
DedPeter [7]
The general rule for a linear equation is y=mx+c where m is the slope or gradient... therefore the slope is 3.

Now we need to get 2 points on the line.

You can easily get the y-int by substituting x=0 into the equation... therefore the y-int is 11... you have one point on the line: (0,11)

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6 0
3 years ago
Kaine has 25 animals. Eight of them are cats. What percent of his animals are cats
natima [27]
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3 0
3 years ago
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In the Social Psychology course, you receive a score of 77 on the second exam. You are told that the standard deviation of the s
Darina [25.2K]

Answer:

a)  mean = u = 83

b) Your friend's score is 1.625 standard deviations below the mean

Step-by-step explanation:

Note:

- The correct question is as follows:

" In the Social Psychology course, you receive a score of 77 on the second exam. You are told that the standard deviation of the second exam is 8 and that your score is .75 standard deviations below the mean. "

Find:

a.What is the class mean of the second exam?

b.Your friend scored a 70 on the second exam. How many standard deviations below the mean is your friend’s score?

Solution:

- The class mean can be calculated by using the given data of your score being 0.75 standard deviation less than mean:

                               Your score = mean - 0.75*standard deviation.

- Plug in the values:

                                77 = mean - 0.75*8

                                mean = u = 83

- Now your friend has a score of 70 on second exam, using the above relation again we have:

                               Friend's score = mean - a*standard deviation.

Where, a is the constant to be found:

                               70 = 83 - a*8

                               a = (70 - 83 ) / -8

                              a = 1.625

- Your friend's score is 1.625 standard deviations below the mean

6 0
3 years ago
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