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zepelin [54]
3 years ago
11

PLEASE HELP ME I AM HORRIBLE AT TRIGONOMETRY!!! TRIANGLES ARE SO HARD!!!

Mathematics
1 answer:
OleMash [197]3 years ago
8 0

Answer:

A construction worker may use trigonometry when building the roof of a house. They may have to calculate the right angle that hypotenuse must sit at so water doesn't build up on the roof and cause leaks.

(this may be more of an architect's job, as they are the ones that design the houses)

or

An air traffic controller may use trigonometry to find how long it will take an airplane to land/how far the airplane is from the ground while it is in the sky (hypotenuse), based on its height from the ground (opposite) and the distance away from the runway it is (adjacent). They can also calculate the angle of elevation of the airplane from the tower they work in.

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Question is on the photo pls help
Bond [772]

Answer:

d)-8

Step-by-step explanation:

  1. -6s-¹t²
  2. -6(3)-¹(-2)²
  3. -6(⅓)(4)
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4 0
3 years ago
HELP ME IM SO CONFUSED
givi [52]

Answer:

  • 1) 4812 students
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  • 3) $30906.76

Step-by-step explanation:

1)

  • Initial number = 2988
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<u>Number of students after 6 years:</u>

  • a_6 = 2988(1+0.1)^{6-1} = 4812

2)

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  • Rate of decrease = 14%

<u>Amount of gold after 4 years:</u>

  • a_4=1200(1-0.14)^3 = 763

3)

  • Initial number = 28000
  • Rate of increase = 2.5%

a)

<u>Salary after n years:</u>

  • a_n=28000(1+0.025)^{n-1} = 28000*1.025^{n-1}

b)

<u>Salary in the 5th year:</u>

  • a_5=28000*1.025^4 = 30906.76
6 0
2 years ago
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What are the coefficients in the expression 5x3 + 14x2 - 2x + 6?
Lostsunrise [7]

Answer: 5,14 and -2

Step-by-step explanation:

The coefficient  is the number next to the variable.

So this case the coefficients are 5,14 and -2

6 0
3 years ago
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Please help with the answer for 7/9 -1/3=
Levart [38]

Answer:

4/9 is the answer

Hope it correct and it helps

6 0
3 years ago
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De que otra manera puedo escribir z diferente a 7
kirza4 [7]
Puede ser el 2 creo pero espera a q algien más responda
3 0
3 years ago
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