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11111nata11111 [884]
3 years ago
11

Plzzzzzzz help right answer gets brainly

Mathematics
2 answers:
Natalka [10]3 years ago
7 0

17. you can find the median by putting all of the numbers in order from largest to smaller and find the one in th middle the answer is 17

USPshnik [31]3 years ago
5 0
12, 13, 15, 17, 17, 20 are the numbers in order
The median (middle number) would be 15 and 17

If there are 2 medians, you need to add both of them and divide by 2


15 + 17 = 32
32/2 = 16


So the median is 16
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Perimeter of a triangle with side length of 13.9in,10.4,8.5in
AlladinOne [14]

Perimeter =a+b+c

13.9 + 10.4 + 8.5 =

32.8 in (perimeter)


6 0
3 years ago
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The cost of a layer cake is $17 plus $5 per layer. If Paul has only $30 to spend on a cake, what is the most number of layers he
VikaD [51]

Answer:

The most number of layers he can afford is 2

Step-by-step explanation:

We automatically have a fee of 17 so we know we have 13 dollars remaining. Using this information, we know that one layer is 5 dollars which means we can get 2 layers which is equal to 10 dollars which turns our total fee to $27. Hope this helps!

5 0
3 years ago
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The age of some lecturers are 42,54,50,54,50,42,46,46,48 and 48 calculate the mean age and standard deviation
rjkz [21]

Answer:

Mean age: 48

Standard deviation: 4

Step-by-step explanation:

a) Mean

The formula for Mean = Sum of terms/ Number of terms

Number of terms

= 42 + 54 + 50 + 54 + 50 + 42 + 46 + 46 + 48+ 48/ 10

= 480/10

= 48

The mean age is 48

b) Standard deviation

The formula for Standard deviation =

√(x - Mean)²/n

Where n = number of terms

Standard deviation =

√[(42 - 48)² + (54 - 48)² + (50 - 48)² +(54 - 48)² + (50 - 48)² +(42 - 48)² + (46 - 48)² + (46 - 48)² + (48 - 48)² + (48 - 48)² / 10]

= √-6² + 6² + 2² + 6² + 2² + -6² + -2² + -2² + 0² + 0²/10

=√36 + 36 + 4 + 36 + 4 + 36 + 4 + 4 + 0 + 0/ 10

=√160/10

= √16

= 4

The standard deviation of the ages is 4

3 0
3 years ago
What is the area of a sector of a circle with a radius of 2.0 ft and a central angle of 2<img src="https://tex.z-dn.net/?f=%20%5
Zigmanuir [339]
\bf \qquad \textit{area of a sector of a circle}&#10;\\\\&#10;A=\cfrac{\theta r^2}{2}\qquad &#10;\begin{cases}&#10;\theta=\textit{angle in radians}\\&#10;r=radius&#10;\end{cases}

plug in the provided radius and angle
6 0
3 years ago
Solve the following inequality, algebra 1. <br><br> will give brainliest answer !!
satela [25.4K]

Answer:

See below

Step-by-step explanation:

r/6 <-6      multiply both sides by 6 to get

<u>r < - 36 </u>

<u />

  <u> or</u>    4r+2 > 18     subtract 2 from both sides of the equation

            4r > 16        divide both sides by 4

            <u>  r > 4 </u>

6 0
1 year ago
Read 2 more answers
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