The answer is cos70
the angles add up to 180, so 180 - 90 - 20 = 70 degrees.
Answer:
d<3
Step-by-step explanation:
-7d+8>29
First lets remove the inequality for know
-7d+8=29
then remember to re add the inequality to the equation
-7d>21
since you divide by negative you switch
d<3
that is your answer
Answer:
The answer is ±3i
Step-by-step explanation:
Can be Rewritten as:
±(√-1 × √9) where √-1 = i and √9=3
Therefore Answer is ±3i
