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4 years ago

How do we use the Pythagoras theorem in "everyday life".

1 answer:

5 0

I use it all the time, but as my profession is engineering, mathematics is integral in my everyday life. I usually do it when evaluating for the magnitude of vector force components. Usually in 2D space, so Pythagorean theorem is quite useful.

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If Gabriel takes a 25 question multiple choice test and receives a score of 52%, how many questions did he answer correctly

Yanka [14]

Answer: 13 questions

Step-by-step explanation:

52% of 25 is 13

25/x=100%/52%

x=13

3 0

2 years ago

Grace and her father spent 4 1/2 hours over the weekend restoring their fishing boat. This time makes up 6% of the

solong [7]

$\frac{9}{2}$ multiplied by $\frac{6}{100}$
= 75 hours
4 and a half hour repairs 6% of the entire boat so it is
4 1/2 multiplied by 6/100's inverse number

6 0

3 years ago

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From a radar station, the angle of elevation of an approaching airplane is 32.5 degree. The horizontal distance between the plan

denis23 [38]

Answer: 42.21 km

Step-by-step explanation:

We can solve this using trigonometry, since we have the following data:

$\theta=32.5\°$ is the the angle of elevation

$d=35.6 km$ is the horizontal distance between the plane and the radar station

$x$ is the hypotenuse of the right triangle formed between the radar station and the airplane

Now, the trigonometric function that will be used is <u>cosine</u>:

$cos\theta=\frac{d}{x}$ because $d$ is the adjacent side of the right triangle

$cos(32.5\°)=\frac{35.6 km}{x}$

Finding $x$ :

$x=\frac{35.6 km}{cos(32.5\°)}$

$x=42.21 km$

4 0

3 years ago

Given the sequence: -1, 2, 5, 8 what is a(2)?

makvit [3.9K]

Answer:

Your just going to keep adding 3 and the 2 is there because you had negative -1 and then you added 3 so hope this helps probably not what you looking for but hope this helps. Have a good day.

Step-by-step explanation:

6 0

3 years ago

Which statement best describes the excluded values of a rational expression?

denis23 [38]

the answer is b because

3 0

3 years ago

Read 2 more answers