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LenaWriter [7]
3 years ago
13

Help pleaseeee!!!! Geometry

Mathematics
1 answer:
puteri [66]3 years ago
8 0
Tan x=opposite/adjacent
cot x=adjacent/opposite

so you need to inverse the fraction
tan x=.78 as a fraction is 78/100
-> inversed= 100/78=1.28=cot x

so it is the second option
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Find f'(x) if f(x) = (2/(x^1/3)) + 3 cos x + x*
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i think that this is the answer

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3 years ago
Juan has 20 books to sell. He sells the books for $15 each. The amount of money Juan makes from selling booka is represented by
lana [24]

Answer:

Step-by-step explanation:

Juan has 20 books to sell. He sells the books for $15 each.

The range of the function is the set of all possible values of the dependent variable. The dependent variable here is the amount of money that is made and this amount depends on

the number of books, x sold

The amount of money Juan makes from selling books is represented by a fucntion. f(x)=15x

The maximum amount that can be made from 20 books at a rate of $15 each would be 20×15 = $300

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3 years ago
An aircraft has a total time in service of 468 hours. The Airworthiness Directive given was initially complied with at 454 hours
Georgia [21]

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440 hours

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6 0
3 years ago
T is the solution to the equation x + 16 = 64?<br><br> x = 4<br> x = 32<br> x = 36<br> x = 47
zheka24 [161]

x + 16 = 64       |subtract 16 from both sides

x = 48

8 0
3 years ago
Read 2 more answers
What number must you add to complete the square x^-8x=39
notsponge [240]

Answer:

Given equation: x^2-8x =39

when we complete the square , we take half of the value of 8 , then square it, and added to the left sides, we get;

x^2-8x+4^2 = 39 +4^2

∵8 is the value (\frac{8}{2})^2

Notice that, we add this both sides so that it maintains the equality.

then;

x^2-8x+4^2 = 39 +4^2

(x-4)^2 = 39 + 16   [ (a-b)^2 = a^2-2ab+b^2 ]

Simplify:

(x-4)^2 =55

The number must be added to complete the square is, 4^2 = 16



3 0
3 years ago
Read 2 more answers
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