we know that
Two angles are supplementary if their sum is equal to
degrees
in this problem we have


so
therefore
<u>the answer is</u>
The two angles are supplementary
Salutations!
<span>A jar contains 2 red and 4 blue marbles. A marble is drawn from the jar. What is the probability that a red marble will be drawn?
So lets solve this!
Probability is an event of chance; an occurrence of chance.
The probability that a red marble will be drawn is 2/6
Simply 2/6 which is 1/3
Thus, your answer is option C.
Hope I helped :D
</span>
Answer: c
Step-by-step explanation:
Calculate Δ = b^2 -4ac => Δ = 169 => k1 = 3/2; k2 = -5 => 2k^2 + 7k - 15 = 2*(k -3/2)(k+5) = (2k - 3)(k+5);