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EleoNora [17]
2 years ago
5

Listed below are pulse rates​ (beats per​ minute) from samples of adult males and females. Find the mean and median for each of

the two samples and then compare the two sets of results. Does there appear to be a​ difference? ​
Male: 96 75 53 94 79 55 62 65 61 91 64 81 60 63 83 ​
Female: 71 73 92 86 90 67 89 76 89 86 69 88 68 83 72
Mathematics
1 answer:
gulaghasi [49]2 years ago
3 0

Answer:

Male: Median: 64.5 and the mean is 70.6

Female: median: 83 and mean is: 79.93

Step-by-step explanation:

For median, you place all of the numbers from lowest to highest, and then find the number in the middle.

For Mean, add up all the numbers, then divide by the amount of numbers there.

For example.

30/5= 6

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Convert from $0.20 dollars to cents
Arada [10]
Since 100 cents = $1

Then to convert $20 to cents, all you have to do is multiply.

 $20 × 100 cents

<em><u>=2000 cents. </u></em>

More examples to try:

Convert $0.10 dollars to cents.

$10 × 100 cents = 1000 cents.

 

Here is a guild for next time:

100 cents = $1
200 cents = $2
300 cents = $3
400 cents = $4
___ cents = $__

So.....now you can fill in the blanks by yourself. Tell me the answer if possible! :D

~Hope this helped!~

 
8 0
3 years ago
Apply the distribution
kicyunya [14]

Answer:

20(3m-2)

Step-by-step explanation:

In order to factor, you have to look for the greatest common factor, or what the biggest number could the two numbers be divided by.

In this case, both numbers can be divided by 20, and so we put the 20 outside of the parentheses.

This leaves with 3m and -2, which are left inside the parentheses.


Hope this helps :)


8 0
3 years ago
Help please tap the picture above
Wewaii [24]

Answer:

a = 8

r = 15%

When t = 3, y= 4.9

Step-by-step explanation:

8 represents the original amount because that's what you're increasing, so a=8.

To find your percentage, look into the parenthesis to see the decimal. We see that it's 0.15, but that's not a percentage yet, so you have to multiply it by 100. Or, moving your decimal two times to the right. Therefore, r=15%.

Now to find what the function will equal when t=3, simply plug 3 for t. I've always used a calculator for this so I'm not going to write it out (sorry). Your result should be 4.9 (this is already rounded to the nearest tenth for you).

7 0
3 years ago
This is a question I am needing help with
Solnce55 [7]

Answer:

D

Step-by-step explanation:

y intercept is b, so in the equation so far it is

y=mx+(5)

the slope is m, so

y=(-3)x+5

the answer is D.

8 0
3 years ago
Find the slope of the line through the given points. d (3, 7) and (3, −8)
Romashka [77]

Answer:

Undefined

Step-by-step explanation:

Use rise over run (y2 - y1) / (x2 - x1), where (x1, y1) and (y1, y2) are points on the line

Plug in the given points:

(y2 - y1) / (x2 - x1)

(-8 - 7) / (3 - 3)

-15/0

= undefined

The slope is undefined, because you cannot divide by 0.

6 0
3 years ago
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