1. A rectangle and a semicircle are drawn as follows,so that AB = 4 and AC = 1. Find BD. A. 17 B. 15 C. √17 D. √15 E. None of these
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1. A rectangle and a semicircle are drawn as follows,so that AB = 4 and AC = 1.Find BD.
A. 17 B. 15
C. √17
D. √15
E. None of these
The figure shown is constructed of 6 squares each havingside length 1. What is the area of the
shaded portion? (A) 3 (B) 2√3 (C) 4 (D) 3√2 (E) 4,5
3. George washes a car in 30 minutes and Marie washes the same car in 45 minutes. How many minutes will it take both working together to was the car?A. 25B. 20C.37,5D.15E. 18
4. How many zeros appear at the end of the product 1 × 2 × 3 × 4 ×… × 50 ?
(A) 5 (B) 10(C) 12 (D) 13 (E) None of these
5. I “let my fingers do the walking” when I dial my phone, which has the following arrangement of keys:
1 2 34 5 67 8 9
If the distance from 1 to 2 or from 1 to 4 is 1 unit, then how many units do my fingers “walk” when I dial my phone number 654-9873?
A. 3+2√2 +5B. 3+3√2 +5C. 4+2√2 +5D. 3+√2+2√5E. 4+√2+2√5
6. Diketahui
3a=4, 4b=5, 5c=6, 6d=7, 7e=8, dan 8f=9.Maka nilai abcdef adalah…A. 1B. 2C. √6
D. 3
E. 10/3
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