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seropon [69]
3 years ago
11

Please help I need this done by 5:00​

Mathematics
1 answer:
Aliun [14]3 years ago
6 0
<h2>PLEASE DOUBLE CHECK I AM SO OUT OF PRACTICE WITH THESE OMG</h2>

A. a = 25º

B. 41º

C. 41º

uh werk:

180º = 2a - 9º + 5a + 14º

180º = 7a + 5º

175º = 7a

a = 25º

180 - (5a+14) = 180 - 139 = 41

or 2a-9 = 41

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Answer:

Step-by-step explanation:

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2b. f(-2) = 3(-2)^2-(-2)^3 -2 +1 = 3(4) - (-8) -2 +1

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2 years ago
You weigh six packages and find the weights to be 20, 12, 52, 16, 48, and 44 ounces. If you include a package that weighs 60 oun
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Answer:

median

Step-by-step explanation:

The first step is to sort the numbers from largest to smallest (you could go the other way as well).

60 52 48 44 20 16 12

The median is the middle number 44 in this case. The median has 3 numbers on its left and 3 on its right (in this case). 44 has 60 52 48 or its left and 20 16 and 12 on its right.

The mean is the average. We'll call it the new average

The mean is 60 + 52 + 48 + 44 + 20 + 16 + 12 = 252

The new mean is 252 / 7 = 36

=====================

The old median is the average between the middle 2 numbers (before you added 60 you had 6 numbers)

52 + 48 + 44 + 20 + 16 + 12 = the average of 44 + 20 which 64/2 = 32

The old mean was (52 + 48 + 44 + 20 + 16 + 12)/6 = 32.

=======================

The median increased from 44 to 32 = 12

The mean went from 32 to 36 which is 4

Answer: the median increased more  

3 0
3 years ago
What number is half-way between thirteen and thirty-one
mars1129 [50]

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Answer: 21

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3 years ago
70%70, percent of a number is what fraction of that number?
lesantik [10]

Hello there!

A number that is 70% of a number is 7/10 of that number in fraction form!

I hope this was helpful and have a great rest of your day!

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