Supplementary angles are two angles whose measures sum to a 180 degrees and complementary are the sum have to add up to 90 degrees.So 180÷2=90;90÷2=45;180÷6=30 and 90÷6=15.Altough the answer is A.
Answer:
b
Step-by-step explanation:
b because it say's 1/5 and 7 it do not say negative so yea
16 is correct
and so is negitive 8
Answer:
10%
Step-by-step explanation:
The total population of students will be equal to the sum of both those who wore the silly hat and those who didn't hence
Total students= 74+666=740
Number of students who wore silly hat is given as 74 hence when expressed as a percentage of the total students' population we get that
percentage of the students wore a silly hat=
Therefore, 10% of students wore a silly hat last Tuesday
Answer:
21
Step-by-step explanation:
Of means multiply and since we want an estimate we can round 72 to 70
30% * 70
.30 * 70
21