我係度打出黎: 呢d題目photomath答吾到 2.If the second and the fifth terms of a geometric progression are 2 and 16 respectively, find the third term. 3.A glass of water at 26℃ was put in a refrigerator. The glass of water was dropped to 25.5℃ after putting it in the refrigerator for 1 and 2 minutes respectively. Assuming that temperature dropped at a constant rate, find the temperature of the glass of water after it has been put in the refrigerator for 9 minutes.
4.Mr.Chan puts $500 in a bank account each month for 3 years. Find the accumulated value at the end of the third year, assuming that deposit is made at the beginning of each month and the interest rate is fixed at 6%p.a. compounded monthly. 5.solve3x+2-3x=72 (MC) a.2 b.4 c.6 d.8
(MC) 1.If y varies directly as the square of x, find the percentage decrease in y when x is decreased by 5%. A.5.0 B.7.5 C.9.75 D.10.25 2.If the second and the fifth terms of a geometric progression are 2 and 16 respectively, find the third term. A.1 B.2 C.3 D.4
