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

Among the archaisms retained were allow, guess, and reckon, all used in a sense which had become obsolete in England. Coinages included lightning rod, log cabin

Perform the operation 8 1/2 + 5 1/8

Suppose a student titrates a 10.00-ml aliquot of saturated ca(oh)2 solution to the equivalence point with 16.08 ml of 0.0199 m hcl. what was the initial [oh − ]

Which of the following describes a major motivation for the United States to provide economic aid to Europe following World War II? A.The United States wanted t

How would the position of 30° N, 83° E on earth be described? A. south of the equator and near the prime meridian B. north of the equator and east o

Please help me I will reward 20 points

What was the issue at the heart of the case Sweatt v. Painter?

Which values of x would make a polynomial equal to zero if the factors of the polynomial were (x-2) and (x-11)?

Career counselors in private practice require, to a greater extent than those in other settings, the ability to

Change the percents to fraction for 4.8% and please explain