1/4 goes into 2 2 /4
Means 2 2/4 divided by 1/4
Change 2 2 /4 to improper fraction. = (2*2 + 4)/4 = 10/4
10/4 ÷ 1/4
10/4 × 4/1
= 10
So it is 10.
Answer:
A
Step-by-step explanation:
Answer:
- c) an observational study
- c) convenience sample
- a) blocking for gender
Step-by-step explanation:
It is an abservational study because she is only watching and not asking the all or a group of employees to tell her their response to what she wants to know.
It is a convenience sample because subjects are selected because of their closeness to the researcher.
The math club must sell 50 pies in order to reach the goal of 200 dollars
Answer:
Step-by-step explanation:
<u>Given points:</u>
- A(-1, -9) and M(0.5, -2.5)
Let the coordinates of B are (x, y)
<u>Use midpoint formula to determine the point B:</u>
- 0.5 = (- 1 + x)/2 ⇒ 1 = -1 + x ⇒ x = 1 + 1 = 2
- -2.5 = (-9 + y)/2 ⇒ -5 = -9 + y ⇒ y = -5 + 9 = 4
