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

Which of the following parts in the human body CANNOT be infected by a virus? a) none of the above, as they can all be infected by virusesb) blood cellsc) brain

Based on the size and shape of the clasts in the sedimentary rock shown in the image, which classification would geologists most likely apply to the rock?

PLEASE I NEED THIS DONE IN 10 MINUTES & I WILL GIVE BRAINLIEST ANSWER ONCE I FIGURE OUT HOW TO DO THATA Magician's Nephew 5 - 81. Write a paragraph explaini

the main import of the west african kindoms was

What is the volume of a cylinder witha radius of 6 m and a height of 9 cm?

What is the only u.S. State with the union jack on its flag?

The photo shows area of the United States after World War II. Which word BEST describes the area shown in the photo?

What is a landmark case?

Anyone have the answer???????????

HURRY ANSWER THIS NOW BRANLYEST TO THE PERSON WHO ANSWERS FIRST How does Andrew Jackson view the federal government? What did he believe in terms of persona