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Darina [25.2K]
2 years ago
7

Given: sin (A) = 5/13, pi/2 < A < pi and tan (B) = - sqr root 13, pi/2 < B <. What is tan(A - B)? A. (5 + 12sqr root

13)/(12 - 5sqr root13) B. (12 - 5sqr root)/(5 + 12sqr root13) C. (12 + 5sqr root13)/(-5 + 12 sqr root13) D. (-5 + 12 sqr root13)/(12 + 5 sqr root13)

Mathematics
1 answer:
Ilya [14]2 years ago
4 0

Answer:

The answer is D

Step-by-step explanation:

Plz brainlist

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(06.01) In the below system, solve for y in the first equation. x + 3y = 6 2x − y = 10 one thirdx + 2 negative one thirdx + 6 −x
NISA [10]

we have that

x + 3y = 6 -------> first equation

2x − y = 10


x + 3y = 6-----> substract x both sides

-x+x+3y=6-x

3y=6-x-----> divide by 3 both sides

y=(6-x) /3

y=2-(x/3)

y=-(x/3)+2

therefore


the answer is

negative one thirdx + 2

5 0
3 years ago
A rectangular sheet of paper is 12 1/2 cm long and 10 2/3 cm wide.Find it's perimeter​
ra1l [238]

Answer:

Given

length of rectangular sheet of paper is 12 (1/2) i.e. (25/2)

Breadth of rectangular sheet of paper is 10 (2/3) i.e. (32/3)

But we know that perimeter of rectangle = 2 (length + breadth)

Perimeter of rectangular sheet = 2 [(25/2) + (32/3)]

LCM of 2 and 3 is 6,

by taking this and simplifying we get

Perimeter = 2[(25 × 3)/6 + (32 × 2)/6]

= 2[(75/6) + (64/6)]

= 2(139/6) = (139/3)

= 46 (1/3) cm

3 0
3 years ago
Read 2 more answers
Eli takes a typing test and types all 300 words in 1/10 hour. He takes the test a second time and types the words in 1/12 hour w
anzhelika [568]

Answer:

The second attempt was faster

Step-by-step explanation:

The first attempt took 6 minutes to finish and the second attempt took 5 minutes to finish. 6 minutes is slower than 5 minutes

4 0
3 years ago
105 centimeters = meters
Basile [38]
1.05 meters.......is the answer ........hope it helps
3 0
3 years ago
FIND g rounded to the nearest degree ??
Harrizon [31]
In this situation I would use cosine to find m∠G.

Cosine = Adjacent side ÷ Hypotenuse

RG being the adjacent side and TG being the hypotenuse, you would set up the equation like this

cos(g) = 8/17

then solve

cos(g) = 0.47058

simplify

g = cos^-1(0.47058)

and you get

m∠G = 61.9°


So your answer would be 62°
4 0
3 years ago
Read 2 more answers
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