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k0ka [10]
1 year ago
12

in a study evaluating the relationship between stress and muscle cramps, half the subjects are randomly assigned to be exposed t

o increased stress by being placed into an elevator that falls rapidly and stops abruptly and the other half are left at no or baseline stress.
Mathematics
1 answer:
stiks02 [169]1 year ago
7 0

The study creates stress in a(0ne) way that might affect muscle cramps.

What is muscle cramps ?

  • Overuse of a muscle, dehumidification, muscle strain or simply holding a position for a prolonged period can beget a muscle cramp. In numerous cases, still, the cause is not known.
  • Although utmost muscle cramps are inoffensive, some may be related to an beginning medical condition, similar as shy blood force.
  • Cramps can have causes that are not due to underpinning complaint. exemplifications include dehumidification, emphatic exercise or lack of muscle use. Muscle cramps are unforeseen muscle condensation.
  • Also called muscle spasms or charley nags, a muscle cramp can be a common symptom of numerous effects, like exercise strain or a medical condition. Muscle cramps generally go down without treatment and can be watched for at home.

The study creates stress in a(0ne) way that might affect muscle cramps. If an elevator falls, fleetly and stops suddenly, that could affect muscle cramps more because of the physical action than by the stress it convinced. I don’t suppose this trial would help answer whether there's a unproductive relationship between increases stress and muscle cramps.

Learn more about muscle cramp here:

brainly.com/question/19064082

#SPJ4

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A family has two cars. The first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of
Oxana [17]

first car is x

second car is y

25x+30y=1550

x+y=55

Multiply the second equation by -25 for elimination method to cancel out x

-25x-25y=-1375

Add the two equations

5y=175

y=35

Plug this value into the second equation

x+35=55

x=20

Final answers:

First car=20 gallons

Second car=35 gallons

8 0
3 years ago
Can u guys help me on number 3??? Plz
Goshia [24]
Well, since 3 cups is 2/5, 1 1/2 cups is 1/5. To get 5/5, or the full value of the water bottle, you must multiply 1 1/2 cups, or 1/5 of the full water bottle, which is 7 1/2 cups, so the answer is 7 1/2 cups.
7 0
4 years ago
Solve p= 2/+ 2 w for w.
ryzh [129]

Answer:

B. W = (P - 2L) / 2

Step-by-step explanation:

(I'm gonna use capitals so it's easier to identify length and width variables)

P = 2L + 2W

Isolate w:

P - 2L = 2W

(P - 2L) / 2 = W

7 0
3 years ago
The probability that a randomly chosen person has a dog is 0.34. The probability that a randomly chosen person will have a dog a
Elina [12.6K]

Taking into definition of probability, the probability that a randomly chosen person is not walking in the park is 0.91.

<h3>Definition of Probabitity</h3>

Probability is the possibility that a phenomenon or an event will happen, given certain circumstances. It is expressed as a percentage.

<h3>Union of events</h3>

The union of events, AUB, is the event formed by all the elements of A and B. That is, the event AUB is verified when one of the two, A or B, or both occurs. AUB is read as "A or B".

The probability of the union of two compatible events is calculated as the sum of their probabilities subtracting the probability of their intersection:

P(A∪B)= P(A) + P(B) -P(A∩B)

<h3>Complementary event</h3>

A complementary event is made up of the inverse of the results of another event. That is, That is, given an event A, a complementary event is verified as long as the event A is not verified.

The probability of occurrence of the complementary event A' will be:

P(A´)= 1- P(A)

<h3>Events and probability in this case</h3>

In first place, let's define the following events:

  • D: a person has a dog.
  • W: a person is walking in the park.

Then you know:

  • P(D)= 0.34
  • P(D and W)= P(D∩W)= 0.03 [The intersection of events, A ∩ B, is the event formed by all the elements that are, at the same time, from A and B. That is, the event A ∩ B is verified when A and B occur simultaneously.]
  • P(D or W)= P(D∪W)= 0.40

In this case, considering the definition of union of eventes, the probability that a randomly chosen person is walking in the park is calculated as:

P(D∪W)= P(D) + P(W) -P(D∩W)

0.40= 0.34 + P(W) -0.03

Solving:

0.40= 0.31 + P(W)

0.40 - 0.31= P(W)

<u><em>0.09= P(W)</em></u>

Then, the probability that a randomly chosen person is walking in the park is 0.09.

Considering the definition of the complementary event and its probability, the probability that a randomly chosen person is NOT walking in the park is calculated as:

P [W']= 1- P(W)

Replacing and solving:

P [W']= 1 - 0.09

P [W']= 0.91

Finally, the probability that a randomly chosen person is not walking in the park is 0.91.

Learn more about probability:

brainly.com/question/25839839

brainly.com/question/26038361

#SPJ1

7 0
2 years ago
Camila leans a 18-foot ladder against a wall so that it forms an angle of 71 with the
BigorU [14]

Answer: 17.0

Step-by-step explanation:

According to the question the height is 18. sin 71 = 18x9455 = 17.019 = 17.0

8 0
2 years ago
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