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ipn [44]
3 years ago
8

Given the following group of numbers, 8, 2, 9,4, 2, 7, 8, 0, 4, 1, which of the following

Mathematics
2 answers:
Lena [83]3 years ago
4 0

Answer:

III. The mode is 2

Step-by-step explanation:

Mean: (8+2+9+4+2+7+8+0+4+1)/10 =  45/10 = 4.5

Median: (2+7)/2 = 9/2 = 4.5

Mode: There is no mode since 2 and 8 both appear twice (in other words, since they have the same frequency, it's bimodal)

The closest possible choice is III. The mode is 2, but keep in mind that since the data set is bimodal, there is no single mode.

kipiarov [429]3 years ago
3 0
Mode is 2,4 and 8( three numbers not 1)
Mean is 45/10 is 4.5
Median is4
The correct answer is only 2
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Tom paid $16 for 4 pounds of jellybeans. How much did he pay for each pound? Write the expression
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Step-by-step explanation:

Tom paid 16 dollars for 4 lbs

16/4=4 dollars/ lbs

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You applied for your dream job and just found out you got it. Your contract states that you will be making $36,000 a year. To bu
Musya8 [376]

Answer:

  see attached

Step-by-step explanation:

A spreadsheet is a useful tool for keeping track of the numbers. A picture of one is attached.

We have assumed that the dollar amount for housing computed in the first part remains the same (though the percentage changes). If that is not the case, you'll have to recompute.

Likewise, we assume that the "5%" retirement amount remains 5% of the nominal salary, rather than 5% of the salary after the mandatory retirement deduction. Similarly, we assume dance lessons remain at their original amount, and were not reduced when the company began taking mandatory retirement.

Feel free to build your own spreadsheet and recompute as needed for any assumptions I got wrong, or for any additional scenarios.

8 0
3 years ago
2. The area of a square is 72 sq in. What is its side length?
defon

Answer:

6 \sqrt{2}

if you don't have to simplify it, it is

\sqrt{72}

Step-by-step explanation:

the equation for the area of a square is

a =  {s}^{2}

substitute 72 for a

72 =  {s}^{2}

take the square root of both sides to cancel out the square on the s

\sqrt{72}  =  \sqrt{ {s}^{2} }

\sqrt{72}  = s

if you need it simplified, find the perfect square that makes up 72. It is 36.

\sqrt{36 \times 2}  = s

take the square root of 36

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5 0
3 years ago
Planet Q Is 3.6 x 10^6km
11Alexandr11 [23.1K]

Answer:

1.64×10⁷ km

Step-by-step explanation:

We know this is a triangle rectangle, so we apply the Pythagorean Theorem

QR=sqrt(PR²+PQ²)

Solving it, we will encounter in

sqrt(2.56×10¹⁴+1.296×10¹³)

to solve it, we need to bring the two numbers at the same power of ten, so we move 1.296 of one place to the left:

sqrt(2.56×10¹⁴+0.1296×10¹⁴)

we can now add the two numbers:

sqrt(2.6896×10¹⁴)

to solve this, we do the square root of 2.6896 and divide 14 by two (the index of the root is 2, so for roots' properties we can divide 14 by 2 - the index)

which gives us

1.64×10⁷

5 0
3 years ago
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