Answer:
1200 copies
Step-by-step explanation:
We can use ratios to solve
480 copies x copies
------------------ = -------------
4 minutes 10 minutes
Using cross products
480* 10 = 4x
Divide each side by 4
4800/4 = 4x/4
1200 =x
Don't know what the question is asking but the are for the skate park would be 3000
Answer:
40 students total
Step-by-step explanation:
Let s represent the total number of students. Then (3/4)s are girls and (1/4)s are boys. Using the info on boys, (1/4)s = 10. Thus, s = 40 (students).
Check: Is (1/4)(40) = 10? Yes.
Is (3/4)(40) = 30? Yes
Is 10+30 = 40 (students)? Yes
The data are20, 6, 42, 13, 15, 10, 9, 12, 12You can arrange the numbers from least to greatest6, 9, 10, 12, 12, 13, 15, 20, 42
The mean of this data set is 15.44
The median is 12
The mode is 12
Since the data is normally distributed, the correct measure of center is the mean.
Answer:
y=3x-3
Step-by-step explanation:
y=mx+b
m=slop
b=y intercept