mccarthysvap83w4i mccarthysvap83w4i

17-05-2018
Mathematics

contestada

Find AC. Round the answer to the nearest tenth.

A.
8.2
B.
8.9
C.
10.0
D.
28.9

Please help thank you :)
Need this within 30mins

Find AC Round the answer to the nearest tenth A 82 B 89 C 100 D 289 Please help thank you Need this within 30mins class=

Respuesta :

Аноним Аноним

17-05-2018

Use the Cosine Rule:-

AC^2 = 6^2 + 8^2 - 2*6*8 cos 78
= 80.04

So AC = sqrt 80.04 = 8.9 to nearest tenth

Answer Link

Otras preguntas

What, according to Romeo, is more poisonous than poison? love hate money fate

Lead has a density of 11.3 g/cm3 and a mass of 282.5 g. What is its volume?

In 1965, Dr. Verghese Kurien organized the National Dairy Development Board in India. This organization brought together dairy cooperatives. A cooperative is a

John wants to show the evolutionary relationship between a lion and a cat and group them based on their similarities and a common ancestor. Which of these is th

Triangle ABC has vertices A(0,4), B(1,2), and C(4,6). Determine whether ABC is a right triangle. Explain

Solve the equation 4x^2 - 12x = 7 algebraically for x.

n which sentence is the number written correctly? A. The thermostat outside the house read fifty-four degrees. B. We raked twenty two bags of leaves from our ya

what is the prime factorization of 1,260 A. 2x2x3x3x5x7 b. 2x3x5x7 c. 4x5x7x9 d. 2x3x5x6x7

Which sentences contain a restrictive clause? 1. We fed the kittens that we found in the shed. 2. My grandmother, who was growing crankier by the day, scolded h

What is the means-to-MAD ratio of the two data sets, expressed as a decimal? Data set Mean Mean absolute deviation (MAD) 1 10.3 1.6 2 12.7 1.5