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3 years ago

60 is 30% of what number?

Mathematics

2 answers:

Gnom [1K]3 years ago

8 0

So the right answer is 200.

Look at the attached picture

Hope it will help you

Good luck on your assignment

evablogger [386]3 years ago

6 0

Answer:

$200$

Step-by-step explanation:

$x \times \frac{30}{100} = 60 \\ \frac{30x}{100} = 60 \\ 100 \times \frac{30x}{100} = 60 \times 100 \\ 30x = 6000 \\ \frac{30x}{30} = \frac{6000}{30} \\ x = 200$

hope this helps

brainliest appreciated

good luck! have a nice day!

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Read 2 more answers

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Naddika [18.5K]

Answer:

a) 125.865 ft

b) 321.676 ft

c) 195.811 ft

Step-by-step explanation:

Given:-

- The height of the building, H = 150 ft

- The angle of elevation ( friend - top of building ), θ1 = 50°

- The angle of elevation ( zombie - top of building ), θ2 = 25°

Find:-

a) How far away is your friend from the building

b) How far away is the zombie from the building

c) How far away is the zombie from your friend

Solution:-

- We will consider the two right angle triangles with similar height ( H ) which denotes the height of the building.

- The distance your friend is from the building is ( x1 ) and looks up to the top of the building with angle of elevation of ( θ1 ).

- We can apply the trigonometric ratio for the right angle triangle formed between your friend, foot of the building and you ( on top of the building ):

tan ( θ1 ) = H / x1

x1 = H / tan ( θ1 )

x1 = 150 / tan ( 50° )

x1 = 125.865 ft ... Answer ( a )

- The distance zombie is from the building is ( x2 ) and looks up to the top of the building with angle of elevation of ( θ2 ).

- Similarly, apply the appropriate trigonometric ratio for the right angle triangle formed between zombie, foot of the building and you ( on top of the building ):

tan ( θ2 ) = H / x2

x2 = H / tan ( θ2 )

x2 = 150 / tan ( 25° )

x2 = 321.676 ft ... Answer ( b )

- The distance between your friend and the zombie ( s ) can now be determined from subtracting the distance of your friend from the building from distance of the zombie from the building:

s = x2 - x1

s = 321.676 - 125.865

s = 195.811 ft ... Answer ( c )

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