Answer:
35
Step-by-step explanation:
x + 10 = 45
x = 35
If I'm understanding the question right then 10.5^2
Answer:
We conclude that a researcher used simple random sample.
Step-by-step explanation:
We know that select a sample of five children from a class of 30, a researcher puts each child’s name on a slip of paper, then shuffles the papers in a hat and randomly picks five names.
We conclude that a researcher used simple random sample.
Because every children has an equal chance of being included in the sample.
Answer:
90 but since its a triangle but im
pretty sure you have to divide by 2 so 45 i think