4, there are 4 equal angles
Answer:
The 12 children selected in Mrs. Smith's kindergarten class.
Step-by-step explanation:
A sample is a representative part of a population on which a research is carried out.
The study In Mrs Smith's class was to find out the number of hours the children in Kindergarten Sleep in a day. Out of the total number of students, 12 were selected for observation. The 12 childen selected is therefore a sample of the class.
4/5 = 0.80
1/5 + 3/5 = 3/5 + 1/5
Answer:
80 questions.
Step-by-step explanation:
If 20% = 16 Q,
then 100 ÷ 20 = 5
Therefore, 5 x 16 = 80 questions on the test.
Answer:
17:7
Step-by-step explanation:
Both are even numbers, so both can be divided by two. Once divided by two, they are prime and can no longer be simplified.
