It has dropped 12 degrees over the past 6 hours.
Mean is the average number. To find mean, add all the numbers and divide by how many numbers there are.
There are 9 numbers. Divide by 9
Question 6 ⇒ C. 84.44
Median is the middle number when ordered from least to greatest. First order the numbers.
The 2 middle numbers are 10 and 11. Add them together and divide by 2
Question 7 ⇒ D. 10.5
Answer:
Step-by-step explanation:
From the diagram, none of the students play both instruments.
This means the two events are mutually exclusive.
The number of people playing instruments is 20.
K=4
add seven on both sides
2x-4y=7
add 4y on both sides
2x=7+4y
divide 2 on both sides
x=7+4y/2
plug that into original equation
2(7+4y/2)-4y-7=0
7 and 4y cancel out
2(2)=0
4=0
Answer:
$44.45
Step-by-step explanation:
5 bushels of oranges is $31.75 so 1 bushel is 31.75/5 = 6.35
7 bushels of orange is $6.35 x 7 = $44.45