Answer:
A placebo is a useless substance that takes the place of an actual drug
Step-by-step explanation:
This is to test to see if the drug actually does anything, or if the patients are really just deceived by their imagination
To find average, add up the values given and then divide that number by the amount of values that you added to make the larger number.
For example:
If he ran -8 yards first and -6 yards second and they are asking you to find the average, add -8 and -6. You get -14. If you then divide by 2 because you added 2 numbers together, you end up with -7.
Hope this helps!
Answer:
4ft
Step-by-step explanation:
500=pir^2h
r^2=500/(10*pi)
r=3.989ft
The area of a regular octagon is given by:
A = (4) * (L) * (ap)
Where,
L: side
ap: apotema
Substituting values we have:
A = (4) * (19) * (16)
A = 1216 square inches
Answer:
The area of a regular octagon with an apothem 16 inches long and a side 19 inches long is:
A = 1216 square inches
First of all, the easy part- 5 gallons -

is

. An ounce is equal to 128 gallons, so we have to convert 6 x 8 ounces (48) to gallons.

or 0.375 gallons.

-

=

or
3.875 gallons left.