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Vsevolod [243]
3 years ago
6

if two girls have 280 dollars and one spends 2/3 of it and has 36 dollars left. how much does the other girl have left if she sp

ent 3/4 of it?
Mathematics
1 answer:
My name is Ann [436]3 years ago
4 0

the  main equation you need to do is just 36 x (3/4), you will get that 27 dollars has been spent.

now you just do 36 - 27 to get the final answer

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Answer:

The angle of elevation of the sun is 39⁰

Step-by-step explanation:

Given;

height of the tree, h = 96 ft

length of the shadow, L = 120 ft

                                                   |

                                                   | 96ft

                                                   |

                                                   |

       θ------------------------------------

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Completing this triangle to cut across the top of the tree gives you a right angled triangle with θ as the angle of elevation of the sun.

Apply trig-ratio to determine the angle of elevation of the sun;

tanθ = opposite side / adjacent side

tanθ = 96 / 120

tanθ = 0.8

θ = tan⁻¹(0.8)

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Therefore, the angle of elevation of the sun is 39⁰

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