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swat32
3 years ago
10

Please I need help PLEASE​

Mathematics
1 answer:
frutty [35]3 years ago
5 0

Answer:

15/2.5  18/h

Step-by-step explanation:

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The duration of routine operations at chicago general hospital has approximately a normal distribution with an average of 130 mi
vredina [299]

Answer:

79.77%

Step-by-step explanation:

P(X≥120) = normalcdf(120,1e99,130,12) = 0.7976716754 ≈ 0.7977 = 79.77%

Therefore, about 79.77% of operations last at least 120 minutes

5 0
3 years ago
Write the sum as a mixed number so the fractional part is less than 1. 4 1/2 plus 2. 1/2
Hitman42 [59]
Well 41/2+1/2=
9/2+1/2
10/2
3 0
3 years ago
Read 2 more answers
50 POINTS!
ehidna [41]

Answer:

  • A. the distance between points W and X

Step-by-step explanation:

<u><em>Looking for the distance of 5 units</em></u>

A. the distance between points W and X

  • -3 - (-8) = -3 + 8 = 5
  • Correct

B. the distance between points X and Y

  • 1 - (-3) = 1 + 3 = 4 < 5
  • Incorrect

C. the distance between points X and Z

  • 5 - (-3) = 5 + 3 = 8 > 5
  • Incorrect

D. the distance between points Y and Z

  • 5 - 1 = 4 < 5
  • Incorrect

7 0
3 years ago
Find value of x and y
marshall27 [118]

Answer:

x = 17\sqrt{3}, y = 34

Step-by-step explanation:

Since the triangle is right use trig ratios to find x and y

note exact values sin30° = \frac{1}{2}, tan30° = \frac{1}{\sqrt{3} }

sin30° = \frac{opposite}{hypotenuse} = \frac{17}{y}

multiply both sides by y

y sin30° = 17 ( divide both sides by sin30° )

y = \frac{17}{\frac{1}{2} } = 34

tan30° = \frac{opposite}{adjacent} = \frac{17}{x}

multiply both sides by x

x tan30° = 17 ( divide both sides by tan30° )

x = \frac{17}{\frac{1}{\sqrt{3} } } = 17\sqrt{3}

8 0
3 years ago
you buy a new video game for $60 the sales tax is eight what is the total cost for the game including sales tax
aev [14]

The answer is 8percent is 64.8 dollars hope this helps you thank you so much have a great day

6 0
4 years ago
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