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Julli [10]
3 years ago
12

SOMONE PLEASE HELP ME ASAPPPPPPPP!!!!!!!!! I WILL GIVE YOU A GOOD RATE AND MARK YOU THE BRAINLIEST JUST ANSWER THIS CORRECTLY AN

D ASAPPPPP!!!!!!! PLEASE!!!!!!!!!

Mathematics
2 answers:
hichkok12 [17]3 years ago
8 0

since she paid $5 admission subtract it from $7.25

that is $2.25

then 2.25/ 0.75 and its 3

3 hours

Vaselesa [24]3 years ago
6 0

Answer:

she was there for 3 hours

Step-by-step explanation:

0.75h +5.00 = x

0.75(3)+5.00 = 7.25

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Someone has conducted a study to see if there is increased risk of getting lung cancer if you work in a coal mine. In group 1, 3
AleksandrR [38]

Answer:

Sample relative risk is 10.    

Step-by-step explanation:

We are given the following in the question:

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Group 2 of non-coal miners: 5 out of 250 get lung cancer

\text{P(Lung cancer for non-coal miner)} = \dfrac{5}{250} = \dfrac{1}{50}

Sample relative risk:

  • It is the ratio of probability of an outcome in an exposed group to the probability of an outcome in an unexposed group.

Sample relative risk =

\dfrac{\text{P(lung cancer for coal miner)}}{\text{P(lung cancer for non coal miner)}}\\\\=\dfrac{\frac{1}{5}}{\frac{1}{50}} = \dfrac{50}{5} = 10

Thus, sample relative risk is 10.

4 0
3 years ago
What types of triangles have an angle that measures 90 degrees
OLEGan [10]
Am acute triangle has the angle that measures 90 degrees
3 0
3 years ago
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Jenny is x years old ,Thomas is 3 times older. jenny is older than Ali by 5 years if x =12. how much older is thomas?
Mars2501 [29]
Jenny: x
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6 0
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6 0
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