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LiRa [457]
2 years ago
12

Assume that females have pulse rates that are normally distributed with a mean of 78 beats per minute and a standard deviation o

f 12.5 beats per minute find the probability of a pulse rate between 61 beats per minute and 72 beats per minute
Mathematics
1 answer:
ExtremeBDS [4]2 years ago
3 0

Answer:

61 beats = 4.88

72 beats = 5.76

Step-by-step explanation:

Firstly,you have to divide 61 to 12.5 then you can get 4.88. After that, you must divide 72 to 12.5 then you can get 5.76. Hope this will help you!

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Please answer quickly!!!
Mademuasel [1]

Answer:

1. 64cm² , 2. 240yd² , 3.≈220.5cm² , 4.≈193.4m² , 5. 38.6ft² , 6. ≈78.1yd² , 7. ≈120.7

Step-by-step explanation:

1. A=12x4.5+2x5 , 2. A=24x8+0.5x12x8 3. A=0.5x16x15+0.5x8²π ,4. A=7x15+0.5(15/2)² 12 ,5. A=3.6(16/2)+0.5x7x2.8 ,6. A=8(16/2)+0.5x9π ,7. A=(8/4)x5²xcot(180/8)

4 0
3 years ago
A ramp slopes from a warehouse door down to the street. The height of the ramp is 5 feet, and the ramp ends 10 feet from the bas
Tomtit [17]
If you graph this, your first point will be at (0,5), as the ramp is at the warehouse door but 5 feet up. The second point is (10,0) as it is touching the ground but it's 10 feet away from the warehouse.
To find slope, you do (y2-y1)/(x2-x1).
When substituting in the variables, you get (0-5)/(10-0), which is -5/10, which is simplified to -1/2. Of course, that is when the warehouse is Quadrant II. If you look at it from another point of view, the slope will be positive so your answer is A) 1/2.
If this was unclear feel free to comment :)
3 0
3 years ago
Read 2 more answers
Answer correctly for brainly (not 4
vaieri [72.5K]

Hello there again. I have your answer: Solve for x by simplifying both sides of the equation, then isolating the variable. x = −8

8 0
2 years ago
Read 2 more answers
Kenny bought a few 2-litre bottles of detergent. Sue bought a few 3-litre bottles of detergent. The average amount of detergent
exis [7]
They both bought 1 bottle each.

4 0
3 years ago
When using a debit card: Question options: A:There are always fees. b:Identification is always required. c:You still need to rec
DIA [1.3K]

Answer:

D.

Step-by-step explanation:

Since this isn't a credit card, there are no interests or fees on a debit card, so A is incorrect. B is also incorrect. You only need identification when you are withdrawing or depositing at a bank, but purchases made in stores or online do not need your identification. You also don't need to record transactions in your checkbook (but it is recommend to keep track of purchases). Modern day technology already records transaction history and all you need to do is access it online.

D is correct because if someone steals your PIN for your debit card, they could go to stores and use that money. You can dispute charges and report to the bank if that happens.

3 0
3 years ago
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