Answer:
19.6 gallons
Step-by-step explanation:
divide 225 by 10 and you get 22.5 this means you are getting 22.5 miles per gallon so all you have to do is divide 441 by 22.5 and you get 19.6 so you are going to need 19.6 gallons to drive 441 miles
Its easy, multiply 6km by 13cm and you would get 78
In order to have an accurate measurement system, humans would’ve had to have created one. Although body parts could be used to measure things, the lengths would’ve been different everytime. This is because no human’s body part is the exact same length as another’s. Everybody’s bone structure is different so in order to create a universally correct measurement system, humans had to invent a new one.
Answer:
C. 1/√2
Step-by-step explanation:
cos∅ is adjacent over hypotenuse:
cos45° = 1/√2
cos45° = √2/2
Alternatively, if you learned and memorized your unit circle, cos(π/2) = √2/2
