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swat32
3 years ago
15

WHICH ONE !!!!!! HELPPPPP ASAP

Mathematics
2 answers:
lesantik [10]3 years ago
5 0
I think the answer is B
Troyanec [42]3 years ago
5 0
Usually when data goes down it decreases, it is a negative linear relationship. So the answer is B
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How many days are there in 6 weeks? Solve the related word problem to represent the inverse operation There are days in 6 weeks
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Answer:

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Step-by-step explanation:

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3 years ago
The angle of elevation to the top of a water tower from point A on the ground is 19.9°. From point B, 50.0 feet closer to the to
zepelin [54]

Answer:

Answer in terms of a trigonometric function :

h = \frac{20tan(19.9)}{0.4-tan(19.9)}

Answer in figures

h = 190.5 feet

Step-by-step explanation:

Consider the sketch attached below to better understand the problem.

Let x be the distance between point B and the base of the water tower.

tan (19.9)=\frac{h}{50+x} ---------------equation 1\\

tan (21.8)=\frac{h}{x}----------------equation 2

From equation 2,

x =\frac{h}{tan21.8}=\frac{h}{0.4}

substituting the value of x into equation 1, we get

tan (19.9)=\frac{h}{50+(\frac{h}{0.4} )}

tan 19.9=h\times \frac{0.4}{20+h}

cross multiplying,

20\times tan(19.9) +htan(19.9)=0.4h

20tan(19.9)= h(0.4-tan(19.9))

h= \frac{20tan (19.9)}{0.4-tan (19.9)}

The height of the tower is h= \frac{20tan (19.9)}{0.4-tan (19.9)} in terms of the trig function "Tan"

The equation can simply be evaluated to get the answer in figures since the angles are given in the question

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3 years ago
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Step-by-step explanation:

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3y-4x=20 a linear function
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If you are trying to get y by itself I shown my work. 

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