Answer:
Tip: 4,2
Total cost: 32,2
Step-by-step explanation:
Tip: (28×15)÷100 = 4,2
Total cost: Tip + original money
--> 4,2 + 28 = 32,2
Answer: x= 7/10
Y= 21/5
Step-by-step explanation:
Answer:
120 miles
Step-by-step explanation:
30 miles per hour * 4 hours
120 miles
F(x) = 6(9)^x
f(1/2) = 6(9)^(1/2)
f(1/2) = 6(9)^(0.5)
f(1/2) = 6*(9^0.5) 9^0.5 = √9 = +3 or -3.
f(1/2) = 6*3 = 18 or 6*-3 = -18
f(1/2) = 18 or -18
Hope this helps.
