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Assoli18 [71]
3 years ago
7

Help!

Mathematics
1 answer:
neonofarm [45]3 years ago
5 0

Answer:

6.57

Step-by-step explanation:

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The fraction 6/11 = the fraction 18/
kramer
The fraction 6/11 is equivalent to the fraction of 18/33. They both have the same value. Simply multiply both the numerator and denominator by 3 to the fraction of 6/11 to get the new equivalent one.
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asambeis [7]

Answer:

All real numbers of x.

Step-by-step explanation:

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5x+10=5x+10

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The table shows the time 50 students spent on their homework.
seraphim [82]

Answer: Mean = 52.8 mins

Step-by-step explanation:

We have lapses of 30 minutes, so we can write the average for each, this means that:

0 < t < 30 can be averaged to the middle of the range: 15 min.

Doing this, we have that:

7 students 15 min

27 students 45 min

12 students 75 min

4 students 105 min.

Now we can calculate the mean:

mean = (x1*n1 + x2*n2 + ...)/N

where x1 is the amount of time 1, and n1 is the number of students associated to that time and so on. N is the total number of students

Mean = (7*15min + 27*45min + 12*75min + 4*105min)/(7 + 27 + 12 + 4)

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What is the y-intercept of the line that passes through the points (2, -1) and (-3, 9)?
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Answer:

y- intercept: 3

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