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Leto [7]
3 years ago
8

What is the value of the expression 86.24-79764

Mathematics
2 answers:
Fiesta28 [93]3 years ago
6 0

Answer:

-79677.76

Step-by-step explanation:

Subtract the 79764 by using a calculator from the 86.24 and you should get a negative.

Westkost [7]3 years ago
5 0

Answer:

Step-by-step explanation:

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Where the tutor tab at
solmaris [256]

Answer:

...? What do you mean?

Step-by-step explanation:

I dont think brainly has one of those.

Sorry!

Have a nice day :)

7 0
2 years ago
Katie dropped 5 nickels on the floor. What is the probability that all the nickels will land with heads facing up?
Vinil7 [7]

Using the binomial distribution, it is found that there is a 0.03125 = 3.125% probability that all the nickels will land with heads facing up.

For each coin, there are only two possible outcomes, either it lands on heads, or it lands on tails. The landing of a coin is independent of other coins, hence, the binomial distribution is used to solve this question.

Binomial probability distribution

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

C_{n,x} = \frac{n!}{x!(n-x)!}

The parameters are:

  • x is the number of successes.
  • n is the number of trials.
  • p is the probability of a success on a single trial.

In this problem:

  • 5 nickels, hence n = 5.
  • They are equally as likely to land on heads or tails, hence p = 0.5

The probability that all the nickels will land with heads facing up is P(X = 5), hence:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 5) = C_{5,5}.(0.5)^{5}.(0.5)^{0} = 0.03125

0.03125 = 3.125% probability that all the nickels will land with heads facing up.

A similar problem is given at brainly.com/question/24863377

3 0
2 years ago
What is the purpose of knowing the angle of elevation and depression in relation to the field of surveyor, military/police, aero
Alex73 [517]

The purpose of knowing the angle of elevation and depression in relation to the field of surveyor, military/police, aeronautics (pilot), engineers, landscapers, and architects is discussed below

<h3>What is angle of elevation and depression?</h3>

If a person stands and looks up at an object, the angle of elevation is the angle between the horizontal line of sight and the object. If a person stands and looks down at an object, the angle of depression is the angle between the horizontal line of sight and the object.

If the pilot looks straight out, that line of sight is horizontal (focused on the distant horizon). The pilot might see the airport's runway, distant buildings, or even mountains in her field of view.

If the pilot looks down at the ground, the one will see the ground crew. The angle of depression is the angle that is formed between the horizontal and the downward looking angle. It is always a downward view, an angle below the horizon.

For the ground crewmember, looking down would not be much help in communicating with the pilot in her cockpit seat. The crewmember will look up, above the horizontal line, to see the pilot. The ground crewmember's angle of vision if an angle of elevation, the angle above the horizon.

Angle of elevation or depression in a survey can be defined as the angle subtended between the line of sight passing through the scope and the horizontal axis of the instrument.

Engineers, landscapers, architects all use trigonometry in their everyday life to help them efficiently and safely create or design something new.

Learn more about angle of elevation and depression here:

brainly.com/question/18652056

#SPJ1

6 0
2 years ago
Cynthia Besch wants to buy a rug for a room that is 20 ft wide and 26 ft long. She wants to leave a uniform strip of floor aroun
Alexus [3.1K]

Answer:

18 ft. wide by 24 ft. long

Step-by-step explanation:

this would leave a uniform strip of 2 ft around the rug and stay in her price range for 432 square feet of carpeting.

and 18 times 24 = 432 square feet

7 0
3 years ago
50 POINTS !!<br><br><br> PLEASE HELP AND EXPLAIN !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.
allochka39001 [22]
I need the point my point is -
4 0
3 years ago
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