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maxonik [38]
2 years ago
13

using the line of best fit as a guide, predict the number of weeks of practice it would take for someone to type 80 words per mi

nute.

Mathematics
1 answer:
Katyanochek1 [597]2 years ago
5 0

Answer:

8 weeks

Step-by-step explanation:

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Plz guys help i need asap<br> its part b im stuck
aleksklad [387]

Answer:

a.2nd quarter with 9 goals

b. 4.8 goals

c. 4 goals

Step-by-step explanation:

a. The mode is defined as the most appearing data point or the data point with the highest frequency..

From our data(for away goals):

  • 1st quarter-2
  • 2nd quarter-9
  • 3rd quarter-7
  • 4th quarter-4

Hence, the 2nd quarter has the mode for away goals with 9 goals.

b. Mean is defined as the average of a set of data points.

#We calculate the totals goals per quarter, sum over all quarters then divide by the number of games, 10:

\bar x=\frac{1}{n}\sum{x_i}\\1^{st }_g=Away+Home=5+2=7\\\\2^{nd}_g=Away+Home=4+9=13\\\\3^{rd}_g=Away+Home=8+7=15\\\\4^{th}_g=Away+Home=9+4=13\\\\\bar x=\frac{1}{n}\sum{x_i}=\frac{1}{10}(7+13+15+13)=4.8

Hence, the mean number of goals per quarter is 4.8 goals

c. To find the number of more home goals than away goals, we subtract from their summations as:

g_m=\sum{g_h}-\sum{g_a}\\\\=(5+4+8+9)-(2+9+7+4)\\\\=26-22\\\\=4

Hence, there are 4 more home goals than away goals.

4 0
3 years ago
2/4 of an hour is how many minutes
elena-14-01-66 [18.8K]

Answer: 30 minutes

Step-by-step explanation: First we can reduce the fraction 2/4 by dividing the numerator and the denominator by the greatest common factor of 2 and 4.

Since the factors of 2 are 1 and 2 and the factors of 4 are 1, 2, and 4, the greatest common factor of 2 and 4 is 2. So we divide the numerator and the denominator of 2/4 by 2 and we get the equivalent fraction 1/2.

Now we can change the question to say <em>1/2 of an hour is how many minutes?</em>

We know that 1 hour is equivalent to 60 minutes so half of 1 hour would be 30 minutes.

Therefore, 2/4 of an hour is 30 minutes.

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3 years ago
Which ratio is not equivalent to the other three?
strojnjashka [21]
C(12/15) because the other 3 all equal 0.666666666666667 but 12/15 equals 0.8
8 0
3 years ago
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Solve 3x - 6y = – 1 for y
umka2103 [35]

Answer:

Step-by-step explanation:

3x - 6y = -1

-6y = -1 -3x

-6y = -(1+3x)

   y = -(1+3x)/-6

y = (1 + 3x )/6

7 0
3 years ago
Pls help will give brainliest and 5 star
klasskru [66]

answer:

1. second choice

2. i'm not sure about this one, but i know it's not the second choice :)

3. first choice

4. second choice

i attached a image example if you need more help on it. hope this helps! ❤ from peachimin.


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3 years ago
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