26-03-2020
Mathematics

contestada

Please help with law of cosines. Please mark brainliest

Please help with law of cosines Please mark brainliest class=

Respuesta :

kenlingdad kenlingdad

26-03-2020

Answer:

∠C = 27°

Step-by-step explanation:

AB² = BC² + AC² - 2 x BC x AC x cos ∠C

25 = 100 + 121 - 2 x 10 x 11 x cos ∠C

cos ∠C = 196 / 220 = 0.89

∠C = 27°

Answer Link

Otras preguntas

what do lady macbeth actions in act 5 scene 1 suggest about her state of mind

A lipid that is synthesized in each cell has the ability to bring about changes in the cell's function. Which substance does this statement describe? a.steroi

1. How many moles of Cu are in 1.48 × 1025 Cu atoms?

The second law of thermodynamics states that

Two heterozygous purple-flowering pea plants are crossed. If purple is dominant over white, what are the expected phenotypic results? A). 100% purple B). 7

Points V, W, X, Y, and Z are graphed on a number line. The coordinate of point V is 3. What points are at a distance of 7 units from point V? Choose all answers

What is 75% of 17000

What can you predict about settlement patterns in the period after this map? a. The reservations will move westward. b. The reservations will move eastward. c

this dust was once the man this dust was once the man, gentle, plain, just and resolute, under whose cautious hand, against the foulest crime in history known i

ashley deposits $500 into an account that earns 2% interest compounded 3 times per year . how much money will ashley have in her account after 4 years ? round t