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Flauer [41]
3 years ago
5

It took 5.5 hours to drive 154 miles. What was the average rate of speed?

Mathematics
1 answer:
Leya [2.2K]3 years ago
4 0
28 miles per hour is your answer 154 divided by 5.5, simple math hon :) good luck.
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Myra won the hurdles event for the seventh graders. She completed the race in 22.8 seconds and knocked down 1 hurdle. Byron won
gregori [183]

Answer:

Myra: 24.8s (winner) Byron: 26.3s

Step-by-step explanation:

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6 0
2 years ago
Solve the following equation <br><br>6x-1=3 (2x+4)-1
DIA [1.3K]
6x - 1 = 3(2x + 4) - 1
Distribute
6x - 1 = 6x + 12 - 1
Combine like terms
6x - 1 = 6x + 11
Add 1 and subtract 6x from each side
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4 0
3 years ago
Read 2 more answers
11. Jeff is taking his family and friends to the movies. Adult tickets, a, are $8 and child
bezimeni [28]

Answer:

there are 3 adults and 8 children

Step-by-step explanation:

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7 0
3 years ago
Find the standard deviation for the set of data. (17,26,28,9,30, 29,6,21,23}​
gogolik [260]

Using it's concept, the standard deviation for the given data-set is of 8.22.

<h3>What are the mean and the standard deviation of a data-set?</h3>

  • The mean of a data-set is given by the <u>sum of all values in the data-set, divided by the number of values</u>.
  • The standard deviation of a data-set is given by the square root of the <u>sum of the differences squared between each observation and the mean, divided by the number of values</u>.

The mean for this problem is:

M = (17 + 26 + 28 + 9 + 30 + 29 + 6 + 21 + 23)/9 = 21

Hence the standard deviation is:

S = \sqrt{\frac{(17-21)^2 + (26-21)^2 + (28-21)^2 + \cdots + (21-21)^2 + (23-21)^2}{9}} = 8.22

More can be learned about the standard deviation of a data-set at brainly.com/question/12180602

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2 years ago
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tankabanditka [31]

Answer

Step-by-step explanation:

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3 0
3 years ago
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