I suppose this is in reference to the chance?
The chance of choosing either red or blue marbles is 50/50 considering that there if four of each type in the bag.
The person chose 2 times, and each time go a red marble. The chance of choosing either is still 50% and they are both equally likely to get chosen.
What are u specifically asking
1. She got 9 questions wrong.
2. I believe the total is $44.80
Answer:
Surface area of the fish tank
Step-by-step explanation:
We have to find the surface area of the hospital tank.
As mentioned it does not have a cover.
The tank is in cuboid shape as it has different length ,width and height .
Surface area of a cuboid
But here we have to subtract the surface area of the cover,that is .
So the equation for the surface area of the cuboid can be re-framed as
Plugging the values of and and
Now
Surface area of the tank:
So the surface area of the fish tank in the hospital is
Answer:
30m^2
Step-by-step explanation:
area of parallelogram is b×h