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Alexxx [7]
3 years ago
6

Listed below are pulse rates​ (beats per​ minute) from samples of adult males and females. Does there appear to be a difference

find the coefficient and variation for each of the two samples then compare the variation male: 87 68 61. 68 69 53 62 54 84 72 61 60 100 58 66 females: 65 81 82 70 74 86 87 84 88 89 94 71 86 80 78
The cofficient of variation for the males pulse rate ?
Mathematics
1 answer:
Sloan [31]3 years ago
8 0

Step-by-step explanation:

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Charles has 24 marbles. He has 6 more yellow marbles then blue marbles. What equation represents this situation
erica [24]

Answer:

(x + x + 3) = 24

Step-by-step explanation:

If charles has 3 more yellow than blue marbles, then it's x + 3 for the yellow, and just x for blue

8 0
2 years ago
PLEASE HELP GIVING MANY POINTS!
NeTakaya

Answer:

  69.01 m

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you ...

  Tan = Opposite/Adjacent

The tangent function is useful for problems like this. Let the height of the spire be represented by h. The distance (d) across the plaza from the first surveyor satisfies the relation ...

  tan(50°) = (h -1.65)/d

Rearranging to solve for d, we have ...

  d = (h -1.65)/tan(50°)

The distance across the plaza from the second surveyor satisfies the relation ...

  tan(30°) = (101.65 -h)/d

Rearranging this, we have ...

  d = (101.65 -h)/tan(30°)

Equating these expressions for d, we can solve for h.

  (h -1.65)/tan(50°) = (101.65 -h)/tan(30°)

  h(1/tan(50°) +1/tan(30°)) = 101.65/tan(30°) +1.65/tan(50°)

We can divide by the coefficient of h and simplify to get ...

  h = (101.65·tan(50°) +1.65·tan(30°))/(tan(30°) +tan(50°))

  h ≈ 69.0148 ≈ 69.01 . . . . meters

The tip of the spire is 69.01 m above the plaza.

3 0
3 years ago
Carmen likes to ski. The ski resort where she goes to ski got 3.2 feet of snow during a 5 day period. The average daily snowfall
vaieri [72.5K]

Answer:

0.64 feet or 7.68 inches of snow on average over the 5 days.

Step-by-step explanation:

3.2/5

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7.68in.

4 0
3 years ago
What is the greatest common factor of 24,40,and 72
riadik2000 [5.3K]

The GCF of 24, 40, and 72 is 8.

The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24  

The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40  

The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

8 0
3 years ago
A king cobra has a mass of 8.845 kilograms. Round the mass to the nearest tenth kilogram.
nevsk [136]

Answer:

8.8 Kilograms

Step-by-step explanation:

5 0
3 years ago
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