AriiannaRules AriiannaRules

29-12-2020
Mathematics

contestada

In triangle ABC, AB= 10cm, AC=9cm and angle B=60 degrees. Let BC=x cm. Use cosine rule to show that x is a solution of x^2-10x+19=0

Respuesta :

rebeccarayshma rebeccarayshma

29-12-2020

Answer:

Step-by-step explanation:

Ver imagen rebeccarayshma

Answer Link

Otras preguntas

a student scored 16 out of 25 in math test.what is the student's score in percent(with steps)

1. (04.02 MC) On a coordinate grid, point A is located in the first quadrant. Point B is located at -1/2, 1. Point C is a reflection of point B across the y-ax

Which transformation would take figure A to figure B? Someone please help me ill give you brainlist answer!!

50. Two race cars face each other on a single 30-mile track, and each is moving at 60 mph. A fly on the front of one car flies back and forth on a zigzagging pa

Calculate de perimeter... Pleaseee

A dealer earns a profit of 8$ per bag of white cement and a loss of 5$ per bag of grey cement. a) The company sells 3000 bags of white cement and 5000 bags of

Charlie bought two books at the bookstore. The first book cost $8.98 and the second book cost $17.78. How much did Charlie spend on the two books? * 1 point $26

Suppose you have 20% of 20/100 or 1/5. Describe how you can solve the problem using 1/5 instead of 20%. Answer in 2 complete sentences

Which best describes what is happing in section C

Rickets in a condition in which the bones are soft. Children with rickets develop deformed bones. A lack of vitamin D, calcium, and phosphorous in the diet usua