Answer:
This survey means that about 14 in every 25 adults in the survey had a smartphone.
Step-by-step explanation:
Answer: 6 + 8
Step-by-step Explanation: When you're adding and subtracting positives and negatives and you see a minus a negative in a problem, you can change it to plus a positive.
So 6 - (-8) can be thought of as 6 + (+8).
Since they are complementary
x + y = 90
Sin(o) = Cos (90-0)
Therefore, Cos x = Sin y = 4/5 [ Because x and y are complementary]
Answer:
2
Step-by-step explanation:
7+2n = 11
2n = 11-7
2n = 4
n = 4/2
therefore n = 2