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love history [14]
3 years ago
11

David earns $8 per hour. He works 40 hours each week. Michael earns $9 per hour. He works 28 hours each week. After 6 weeks what

is the difference in how much they made? $_______ more.
Mathematics
1 answer:
Anna71 [15]3 years ago
5 0

Answer:

68

Step-by-step explanation:

8 x 40 = 320

9 x 28 = 252

320 - 252 = 68

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The mean score of 8 players is 14.5. If the highest individual score is removed the mean of the score of the remaining 7 players
AfilCa [17]

Answer:

The highest score is 32.

Step-by-step explanation:

We are given the following in the question:

The mean score of 8 players is 14.5.

Let x denote the highest score.

If x is removed, the mean of the score of the remaining 7 players is 12.

Formula for mean:

\bar{x} = \dfrac{\displaystyle\sum x_i}{n}

Putting values, we get:

14.5 = \dfrac{\displaystyle\sum x_i}{8}\\\\\Rightarrow \displaystyle\sum x_i = 116\\\\12 = \dfrac{\displaystyle\sum y_i}{7}\\\\\Rightarrow \displaystyle\sum y_i  = 84\\\\\displaystyle\sum y_i = \displaystyle\sum x_i -x \\\\84 = 116 - x\\\Rightarrow x = 32

Thus, the highest score is 32.

4 0
4 years ago
Help someoneee!!!! <br> ill give a brainliest
Serjik [45]

Answer:

-13.5

Step-by-step explanation:

-4/3w=18

You would need to get the w by itself on one side so the easiest way to do so would be to divide both sides my -4/3.

This would give you an answer of w= -27/2 or w= -13.5

8 0
3 years ago
What is 40÷1/4?? pls hurry ​
Serga [27]

Answer:

160

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
PLEASE HELP ME!!!!<br> don’t use for points or i’ll report and get info
vichka [17]

Answer:

Hello, since the tip is between %15 and %20, the tip would be like 15% would $2.25 or 18% would be $2.70 and 20% would be $3.00,

Step-by-step explanation:

8 0
3 years ago
Find the probability that z lies between 0 and 1.56.
eduard

Answer:

P(0 < z < 1.56)=0.4406

Step-by-step explanation:

7 0
3 years ago
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