Answer:
Step-by-step explanation:
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░░░▌░▄▄▄▐▌▀▀▀░░ This is Bob
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Answer:
Hope this helps
Step-by-step explanation:
Crossproduct is explained. You can use it to get all the values as well as being able to convert into other currencies.
ANSWER
D) sin Y
EXPLANATION
The given triangle is a right triangle.
This implies that that:

Then we have

Recall that

But

When we do the substitution, we get,

Therefore cos(x) is a equivalent to sin(y).
The correct answer is D.
Xy is the number
A) x + y = 7
B) 10y + x = 10x + y + 9
collecting terms of equation B
B) -9x + 9y = 9
multiplying A) by 9
A) 9x + 9y = 63 then adding it to equation B)
B) -9x + 9y = 9
18y = 72
y = 4
x = 3
The number is 34