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Tju [1.3M]
4 years ago
5

What is the sine of A as a fraction?

Mathematics
1 answer:
NARA [144]4 years ago
7 0

Answer:

15/17

Step-by-step explanation:

Sine is \frac{opposite}{hypotenuse}, and we see that the angle opposite of A is 15 while the hypotenuse is 17. Plug that into your formula and you get \frac{15}{17}.

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Giving brainliest :)
Verizon [17]

Answer:

f^{-1}(x)=x^2+1

Step-by-step explanation:

The inverse of a function is when the x and y are swapped. So the first step is to write f(x) as y and then swap the x and y

Original Equation:

f(x)=\sqrt{x-1}\\

write f(x) as y (since that's what it represents)

y=\sqrt{x-1}

Swap x and y

x=\sqrt{y-1}

Square both sides

x^2=y-1

Add 1 to both sides

x^2+1=y

So this gives you the equation:

f^{-1}(x)=x^2+1

8 0
2 years ago
What is the value of (–3 + 3i) + (–2 + 3i)?
Bess [88]

Answer:

6i - 5

Step by step:

Assuming x = i

Simplify step by step:

−3+3x−2+3x

=−3+3x+−2+3x

Combine Like Terms:

=−3+3x+−2+3x

=(3x+3x)+(−3+−2)

=6x+−5

5 0
4 years ago
Read 2 more answers
Keith had 694 green, yellow and blue marbles altogether. he had 3 times as many blue marbles as yellow marbles. there were 90 fe
scZoUnD [109]
Let the number of blue marbles be x

number of yellow marbles = x/3

number of green = x- 90

ATQ

x + x/3 + x - 90 = 694

2x + x/3 = 784

(6x + x)/3 = 784

7x/3 = 784

x = 784 x 3/7

x = 112 x 3

x = 336

number of blue marbles = 336
3 0
3 years ago
Read 2 more answers
PLEASE HELP!!!!!
poizon [28]
The awnser is A. hope this helps
3 0
3 years ago
Read 2 more answers
A person sold an article at a profit of 15% if he sold it for Rs 81 less , his loss would have been 12% find the cost price of t
Misha Larkins [42]

Answer:

let cp be x

sp= 115x/100 ---(when 15%gain)

sp = 88x/100------(when 12% loss

according to question

115x/100 - 88x/100 = 81

or, (115x-88x)= 8100

or, 27x = 8100

or, x= 8100/27

x = 300

hence cp is RS 300

3 0
3 years ago
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