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professor190 [17]
3 years ago
5

In a sample of 138 teenagers, 38 have never been to a live concert. Find the sample proportion for those who have never been to

a live concert.
Mathematics
1 answer:
Aleks04 [339]3 years ago
4 0
138 : 38
total : never went to a live concert
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Add the two expressions.<br><br> 2x + 6 and 6x −1<br><br> Enter your answer in the box.
MA_775_DIABLO [31]

Answer:

8x +5

Step-by-step explanation:

The sum is found by combining "like" terms—those that have the same arrangement of variables.

The first expression, 2x +6, has terms 2x and 6.

The second expression, 6x -1, has terms 6x and -1.

In each case, the first term listed is first-degree in the variable x. These are "like" terms, so can be added:

... 2x +6x = (2+6)x = 8x

The second term listed in each case is a constant. These are "like" terms, so can be added:

... 6 + (-1) = 5

Then the sum of the given expressions is the sum of the results from adding like terms:

... 8x + 5

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3 years ago
A building is 200 feet long. The length of the building on a scale diagram is 2 feet 6 inches. What is the height of the buildin
mafiozo [28]

Answer:

200 feet to 2 ft 6 inches (or 30 inches)

Convert the 200 feet to inches

2400 inches.

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600 inches divided by 80 is

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the answer is 8 inches

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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Answer:

11 hours

Step-by-step explanation:

104 dollars for 8 hours of work. So how much money per hour?

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3 years ago
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The difference is -10 because

9-10= 1
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common difference means you add and common ratios means you multiply.

hope this helps!
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3 years ago
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