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2 years ago

PLEASE HELP :) LOTS OF POINTS + BRAINLY

Mathematics

1 answer:

pogonyaev2 years ago

4 0

Jackson's method to figure out the height of the mountain is from the

similar triangles formed by the light using the mirror.

Response:

The height of the mountain is 50 feet 8 inches

<h3>Which methods can used to find the height of the mountain?</h3>

The given parameters are;

Distance of the mirror from Jackson = 5 feet

Distance of the mirror from the base of the mountain = 40 feet

Height of Jackson = 6'4'' tall

Required:

The approximate height of the mountain, h

Solution:

The triangles formed by the light from the top of the mountain which is

reflected to Jackson from the mirror, Jackson's height, the height of the

mountain, and their distances from the mirror, are similar triangles.

The ratio of corresponding sides of similar triangles are equal, therefore,

we have;

$\dfrac{Jackson's \ height}{Jackson's \ distance \ from \ the \ mirror } =\mathbf{ \dfrac{Height \ of \ the \ mountain}{Distance \ of \ the \ mountain \ from \ the \ mirror}}$

Which gives;

$\dfrac{6\frac{1}{3} \, ft.}{5 \, ft.} = \mathbf{ \dfrac{h}{40 \, ft.}}$

$h = 480 \, in. \times \dfrac{76 \, in.}{60 \, in.} = 608 \, in. = \mathbf{50 \frac{2}{3} \, ft. = 50 \, feet \ 8 \, inches}$

The height of the mountain is approximately 50 feet 8 inches

Learn more about similar triangles here:

brainly.com/question/23467926

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The sum of three numbers is 20. The sum of twice the first number, 5 times the second

Fed [463]

Answer:

well this is required for ur knowledge and ur experience but i could give u an example if u want

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now im not saying any of that was true but its a good example of what to say during this essay you could use ur own words and ur own problem to explain how you could fix,repair and all that other stuff. just use ur own story for the essay. in ur own words and story try to answer all the questions asked.

If you had to relive that situation all over again, how would you fix the fight or keep it from turning into one?

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6 0

3 years ago

PLEASE HELP ME ASAP??!!

earnstyle [38]

It says that there was an error with my answer, but I don't know what, so I screenshotted what I typed and attached them as 4 images below:

5 0

3 years ago

20 is a factor of 24 true or false

igor_vitrenko [27]

False, 20 is not a factor of 24

3 0

3 years ago

Read 2 more answers

If 12 is equal to 6 plus X then what is X to the 2nd power.

leva [86]

Answer: 36

Step-by-step explanation:

Equation: 12=6+x; x^2

1. Solve for x. X=6

2. Find x^2 or 6^2= 36.

5 0

3 years ago

The line CD passes through the points C (2, -1) and D (1, 1). Which of the

inn [45]

Answer:

The equation of the straight line in point - slope form

y +1 = -2 ( x-2)

Step-by-step explanation:

Step(i):-

Given points are C( 2,-1) and D(1,1)

Slope of the line

$m = \frac{y_{2}-y_{1} }{x_{2}-x_{1} } = \frac{1-(-1)}{1-2} = \frac{2}{-1} = -2$

m = -2

Step(ii):-

Equation of the straight line passing through the point ( 2,-1) and having slope

m =-2

y - y₁ = m ( x- x₁)

y - (-1) = -2 ( x-2)

y +1 = -2 ( x-2)

Final answer:-

The equation of the straight line

y +1 = -2 ( x-2)

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2 years ago