Answer:
20 miles
Step-by-step explanation:
d miles × (1 h)/(10 miles) = d/10 hours
d miles × (1 h)/(40 miles) = d/40 hours
d/40 = d/10 - 3/2
d = 4d - 60
d = 20 miles
This is a good example of a problem that is being used to trip you up! haha
Think it through like this.
Proportional to up is up and proportional to down is down.
Is the elevator going up? Yes
Is the time to get to a floor going up the higher it goes? Yes.
So the 750 feet means nothing in this problem.
The simple answer is yes.
Answer: <u>Rational</u>
Step-by-step explanation: Let's first go over what a rational number is. A rational number is any number that you can write in the form where a and b are integers and b ≠ 0.
The fraction would be a rational number because it's in the form of . Therefore, 2/9 is a rational number.
Answer:
you don't have -i? because it should be -i
Inverse Operations<span> in Math: Definition & Examples. In mathematics, </span>inverse operations<span> are </span>operations<span> that 'undo' each other. Most </span>operations<span> have an</span>inverse<span>.</span>