Answer:
glucose, sunlight and oxygen on the left (they go in the cell)
water and carbon dioxide on the right (they go out of the cell)
Answer:
To calculate the mean we need x and f both
![-2x^2+6x-3=0 \\ \\ a=-2 \\ b=6 \\ c=-3 \\ \Delta=b^2-4ac=6^2-4 \times (-2) \times (-3)=36-24=12](https://tex.z-dn.net/?f=-2x%5E2%2B6x-3%3D0%20%5C%5C%20%5C%5C%0Aa%3D-2%20%5C%5C%20b%3D6%20%5C%5C%20c%3D-3%20%5C%5C%20%5CDelta%3Db%5E2-4ac%3D6%5E2-4%20%5Ctimes%20%28-2%29%20%5Ctimes%20%28-3%29%3D36-24%3D12)
The value of the discriminant is
12.
Since the discriminant is greater than zero, the equation has
two real solutions.
Answer:
236 cubic units (to 3 significant figures)
Step-by-step explanation:
volume of a cylinder =
r²h (where r = radius and h = height)
Therefore, volume =
x 5² x 3
=
x 25 x 3
= 75
= 236 cubic units (to 3 significant figures)
In the question, it is already given that the total number of runners in the race is 60 and out of them 1/3 dropped out in the first half. In the second half 1/4 of the remaining runners dropped out.
Now
Total number of runners in the race = 60
Number of runners that dropped out in the first half = 1/3 * 60
= 20
Number of runners remaining = 60 - 20
= 40
Number of runners dropping out in the second half = 40 * 1/4
= 10
Then the number of runners that finished the race = 40 - 10
= 30
Then 30 runners completed the race.