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Lady bird [3.3K]
2 years ago
8

The number of patients treated at Dr. Frank's dentist office each day was recorded for nine days: 18, 19, 19, 4, 14, 8, 22, 3, 1

. Using the given data, find the mean for this sample.
Mathematics
2 answers:
Annette [7]2 years ago
7 0
18+19+19+4+14+8+22+3+1 = 108
108 divided by 9 is 12
your mean is 12
ludmilkaskok [199]2 years ago
6 0

Answer:

12

Step-by-step explanation:

To find the mean, add up all the numbers

18+ 19+ 19+ 4+14+ 8+ 22+ 3+ 1

108

Then divide by the number of terms

108/9 =

12

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8 0
3 years ago
2. A man buys eggs at 55kobo a score . he finds that 10% of the eggs are unsellable but sells the rest at 60kobo a dozen .find i
liubo4ka [24]

Answer:

Percentage Profit is 63.63%

Step-by-step explanation:

The man buys 440 eggs at 55 pence a score

i.e. he buys 20 eggs for 55 pence

He buys 1 egg for 55/20 = 2.75 pence

Therefore, he buys 440 eggs for = 440 × 2.75 = 1210 pence

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thus he sold = 440 - 440 × 10/100 = 440 - 44 = 396 eggs

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3 0
3 years ago
I know the answer just need the step-by step work
Anna71 [15]

Answer:

  x^2 +18x +80

= x^2 + 10x + 8x +80

= x(x+10) + 8(x+10)

= (x+10)(x+8)

Hope this help!

Good luck!

6 0
2 years ago
Help please..................
Ivahew [28]
(f+g)(x) = f(x) + g(x)
(f+g)(x) = [ f(x) ] + [ g(x) ]
(f+g)(x) = [ 3x-2 ] + [ 2x+1 ]
(f+g)(x) = (3x+2x) + (-2+1)
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Answer is choice B
8 0
3 years ago
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