Nevermind my question above, it was stupid.
The perimeter is 100 ft. because there are 4 sides and two are 20 feet long and the other 2 are 40 feet long (40, because the length is twice as long as the width, which is 20), and <span>20+20+40+40=100.</span>
Answer:
89.84375
Step-by-step explanation:
Given that on a finance exam, 15 accounting majors had an average grade of 90. On the same exam, 7 marketing majors averaged 85, and 10 finance majors averaged 93.
To find weighted mean.
Here weights can be considered as number of majors in each subject
Weighted total = 1350+595+930 = 2875
Weighted mean = weighted total/total students
1. Add 3.3 to both sides to cancel the -3.3 out from the side of X
2. Add 3.3 to -0.5 which equals 2.8
Answer: x=2.8
sixty one dollars and twenty cents