-4x² <span>- 3x + 7 = 0
D = b</span>² -4ac = (-3)² - 4*(-4)*7 = 9 + 112 = 121
D>0 ⇒ <span>Two real solutions </span>
Answer:
b hope this helps
Step-by-step explanation:
Answer:The total amount of money that the school will spend for tickets is $9900
Step-by-step explanation:
Tickets to a baseball game are 20 dollars for an adult and 15 dollars for a student. A school bus tickets for 45 adults and 600 students. This means that the total amount spent by the school on adult tickets is 20 × 45 = $900
The total amount spent by the school on students tickets is 15 × 600 = $9000
The total amount of money that the school will spend for tickets will be the sum of the amount spent on adult tickets and student tickets. It becomes
900 + 9000 = $9900
Answer:
87
Step-by-step explanation:
Answer:
It is 3 hrs.
Step-by-step explanation:
because the ten dollars of initial fee takes off the 25 dollars, we have 15 left, and mike's bikes charges $5/hour, so 15/3+=5
