Answer:
c. 80
Step-by-step explanation:
cos x = sin(x-70)
cos x = cos [90-(x-70)]
cos x = cos (90-x +70)
cos x = cos 160 -x
x= 160-x
2x = 160
x =80
Answer:
a)

b)
Step-by-step explanation:
slope formula


=

b) using point (-2,4)


Now distribute

add 4 to each side

can use the other point given if you want
Answer:
<em>(B). 8 units</em>
Step-by-step explanation:
C I petty sure the answer is c
Answer:
12 W
Step-by-step explanation:
Taking first case to establish the value of k
Substituting W with 90, I with 0.6 and R with 250 then
Now when resistance is 300 and current 0.2 then
