f(x) = 3/(x + 2) - √x - 3
f(7) = 3/(7 + 2) - √7 - 3
f(7) = 3/9 - √4
f(7) = 0.333 - 2
f(7) = -1.67
Answer:
40 km
Step-by-step explanation:
You have 2 variables: km and minutes/hour
30 minutes turned into 60 minutes(1 hour) by multiplying by 2...
So you need to do the same for km!
20km * 2 = 40km per hour
Answer:
The answer is 4
Step-by-step explanation:
3n+16=7n
collect like terms
-4n=-16
divide by -4
n=4
Step-by-step explanation:
here it is.Hope it helps
