Answer:
Step-by-step explanation:
a^2+6^2 = 23^2
a^2 = 23^2 - 6^2
a^2 = 529 - 36
a^2 = 493
a = √493
a = 22,20
Answer:
-5
Step-by-step explanation:
Answer:
Size 50
Step-by-step explanation:
You should choose the larger sample size. This is because if you take the mean, it will help to cancel out outliers. For instance, most people exercise half an hour. With sample size of 10, there might be one person who doesn't exercise, thus dragging down the mean. A larger sample size would have a greater ratio of "average" people.
Answer:
8.52
Step-by-step explanation:
you have to add all of the amounts that were spent which is 631 and then use proportions to find it. 631 x 1.35 devided by 100
Answer:
Y=5
Step-by-step explanation:
https://www.mathpapa.com/algebra-calculator.html?q=2(y%2B3)%3D16
