A video company charges a yearly membership fee plus a daily rental charge for a movie. The cost c, if renting a movie for a cer
tain number of days d, is represented by the equation c = 15 +2.75d
A. The amount the company charges per day
B. The cost of renting a movie for 15 days
C. The fee the company charges for yearly membership
D. The number of days a movie was rented if the customer paid $15
1 answer:
Answer:
answer A
Step-by-step explanation:
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If there 5% is allowed in Rs 1,580 than the selling price of the watch is 1,501
Answer:
- -6x² - 6 = -7x - 9
- -6x² + 7x - 6 + 9 = 0
- -6x² + 7x + 3 = 0
- 6x² - 7x - 3 = 0
<u>Discriminant:</u>
- D = (-7)² - 4*6*(-3) = 49 + 72 = 121
<u>Since D > 0, there are 2 real solutions:</u>
- x = (- (-7) ±√121 )/12
- x = (7 ± 11)/12
- x = 1.5, x = -1/3
