hannahroberts857 hannahroberts857

03-11-2020
Mathematics

contestada

x² = 30² +21² -2(30)(21) Cos 123°

Respuesta :

03-11-2020

Answer:

x ≈ 44.69

Step-by-step explanation:

x² = 30² +21² -2(30)(21)Cos123°

x² = 900 + 411 - 1260cos123°

x² = 1311 - 1260cos123²

~Take square root of both sides

x = √1997.245184111

x ≈ 44.69

Best of Luck!

Answer Link

Otras preguntas

The constitution required consent from __________ for ratification.

John made $195 for 13 hours of work. At the same rate, how much would he make for 17 hours of work?

What was the reason for the Constitutional Convention?

...It is a principle of [Matthew Pocket's] that no man who was not a true gentleman at heart, ever was, since the world began, a true gentleman in manner. He sa

Sentence 1: I hope the dinner comes out perfectly, but even if it doesn’t, I’m pretty sure they’ll know how hard I tried. Sentence 2: Then we’ll have coffee

Find the slope of the line whose equation is 5y = x - 3. -3 -3/5 1/5 5

What type of triangle has the sides 3 16 and 17?

assume y varies directly as x. if y=8 when x=42; find y when x=126

Who emphasized that we repress anxiety-arousing memories?

Find the slope of the line that passes through (8, 10) and (1, 1). Simplify your answer and write it as a proper fraction, improper fraction, or integer.