Yolanda only wins if the cup lands upright.
From the experimental data we see that the probability of winning is 5 out of 50, or 10%. Therefore, if Yolanda plays 10 times she can expect to win 10% of 10 times = 1 time. She will lose 9 times.
According to the associative property of equality: (a + b) + c = a + (b + c) we can see that the parenthesis do not mean anything when we are only doing addition.
So answers 1. and 3. are correct.
<em>Thanks Associative Property!</em>
4(5x-20)=-20
20x-80=-20
20x=60
x=3
First calculate the area of the floor, this would be 30*50 = 1500 square feet
Now multiply the area by the cost for each square foot, so 1500*0.5 = $750
Answer:
a. 30
Step-by-step explanation:
Rotate the image and observe, you will see the difference between 30° and 35°
Hope this helps