15.4 seconds = 0.00428 hours and 100 meters = 0.062 miles soo the student ran approximately 14.5 mph
Answer:
2.2y+1.2z
Step-by-step explanation:
Add y + 1.2y
Now you can't simplify anymore so this is your answer
2.2y+1.2z
Answer:
150
Step-by-step explanation:
You have to divide the correct answers (111) by the total amount of questions (x) in order to find the 74% (0.74)
Log (x) = 3
10^3 = x
x = 1,000
X2=9 has only one solution, which is 4.5