Speed= distance/time
given time=15minutes
convert minutes to seconds 15×60=900
distance=20/1000 = 0.02metres
speed = 0.02/900
= 2.22×10^-5
the average speed is 2.22×10^-5 m/s
0.60 × collection = 27 cars
collection = 27 cars / 0.60 . . . . divide by the coefficient of the variable
collection = 45 cars
Samuel has 45 cars in his collection.
Answer:
14.32
Explanation:
The tens place is 2 in 24.31 and the hundreth is 0.01, swap those and you get the original value he should have paid
The number of btus that are needed to cool lucia’s apartment is 20,400 btus.
<h3>BTUs needed</h3>
First step
Left side=12×10×20
Left side=2400 cubic feet
Middle =16×10×(20-9)
Middle =16×10×11
Middle =1,760 cubic feet
Right side=20×10×20
Right side= 4000 cubic feet
Second step
BTUs:
BTUs=(2400+1760+4000)×2.5
BTUs=8160×2.5
BTUs=20,400 Btus
Therefore the number of btus that are needed to cool lucia’s apartment is 20,400 btus.
Learn more about btus here:brainly.com/question/4260087
Answer:
Perfume = Ester
Fuel = Alcohol
Anesthetic = Ether
Weak base = Amine
Weak acid = Carboxylic acid
Explanation:
Substance abuse is related to misuse of toxic or hazardous substances for example alcohol, and illicit drugs. It leads to the psychoactive substances responsible for substance syndrome.
It is active due to global impairment in cognition, behavioral, and physiological phenomena that are developed after the repeated use of the substances abuse that is related to the strong desire to use the drugs.