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Bumek [7]
3 years ago
5

Which expression is an equivalent expression of 12x + 10 + 4y?

Mathematics
1 answer:
mestny [16]3 years ago
8 0

Answer:

D. 2(6x + 5 + 2y)

Step-by-step explanation:

You have to use the distributive property to get your answer. 2 × 6x = 12x; 2 × 5 = 10; 2 × 2y = 4y.

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1<br>Write the following:<br>a) 16 as a fraction of 152<br>b) 15 as a fraction of 210<br>​
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Step-by-step explanation:

5 0
3 years ago
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Max car holds 18 gallons of gasoline driving on the highway the car uses approximately 2 gallons per hour. let H represent the n
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Y= 18 gallons-2(h)
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A baseball team has 13 players; how many possible batting orders can the coach make if there are 9 players in the batting lineup
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3 years ago
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According to the National Education Association (NEA), teachers generally spend more than 40 hours each week working on instruct
abruzzese [7]

Answer:

The median number of hours worked per week for the sample of 13 high school science teachers is 52.

Step-by-step explanation:

Median of a data set:

The median of a data set is the element that separates the lower 50% of the set from the upper 50%.

If the cardinality n of the set is odd, the median is the element at the position (n+1)/2 of the sorted sed.

If the cardinality n of the set is even, the median is the mean between the elements at the position n/2 and (n/2)+1 of the sorted sed.

In this question:

Hours worked for the sample of 13 high school science teachers:

55, 58, 52, 52, 56, 59, 48, 63, 52, 52, 50, 52, 56

Sorting in an ascending way:

48, 50, 52, 52, 52, 52, 52, 55, 56, 56, 58, 59, 63

Cardinality of 13, so odd, the median is the element at the 13+1/2 = 7th position of the sorted set, which is 52.

The median number of hours worked per week for the sample of 13 high school science teachers is 52.

8 0
3 years ago
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