If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen
t to x from the second guionis
Into the first equation
tud
3x +2y-21
x - 3y - 4
Into the first equation
tud
3x +2y-21
x - 3y - 4
1 answer:
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Answer:
The answer is the picture I inserted the way to rewrite it is set-builder notation. Hope this helps :)
Step-by-step explanation:
1- write in set-builder notation
The question is not well formatted. A ell formatted version of the question type is attached and solved below :
Answer:
10
Step-by-step explanation:
Using trigonometry :
Taking the angle 45°
From trigonometry :
Sin θ = opposite / hypotenus
Opposite = s ; hypotenus = 10√2
Sin 45 = s / 10√2
Recall :
Sin 45 = 1/√2
We have ;
1/√2 = s / 10√2
s = 10√2 * 1/√2
s = 10√2 / √2
s = 10
