Nandy was asked to evaluate cos 19
12
so she showed the following
work:
Line 1: cos (195) = cos(+3)
(6)
Line 2: cos
57
4
+ cos
Line 3:
1
+
2
2
Line 4: -V2+1
Nandy made a mistake in her work above.
a.) What line did the mistake occur? Justify your answer. (5 points)
b.) What is the correct answer? Leave answers as exact values. WORK
DOES NOT NEED TO BE SHOWN. (5 points)

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.

hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )

d. 145*2 is 290 than the total angle is 360 then minus 290 then divide by two