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Pembahasan Try Out STAN SSCIntersolusi Surakarta Minggu, 19 ...

Pembahasan Try Out STAN SSCIntersolusi Surakarta Minggu, 19 ...

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<strong>SSCIntersolusi</strong> Solo <strong>Try</strong> <strong>Out</strong> <strong>STAN</strong> 2011<br />

54. Jawaban : A<br />

<strong>Pembahasan</strong> :<br />

1 2 3 4 5 6<br />

- B C E D A<br />

D menyalip E,C,D, maka D di posisi 2<br />

55. Jawaban : A<br />

<strong>Pembahasan</strong> :<br />

T = 2A<br />

3<br />

T + 3 =<br />

2<br />

3<br />

2A<br />

+ 3 =<br />

2<br />

A = 3<br />

T = 6<br />

( A + 3)<br />

( A + 3)<br />

56. Jawaban : C<br />

<strong>Pembahasan</strong> :<br />

Andi dan Ari bersama 6 hari lagi. Hari ini tanggal<br />

26 Februari. 10 hari yang lalu tanggal 16 Februari.<br />

57. Jawaban : B<br />

<strong>Pembahasan</strong> :<br />

L = a.<br />

a 2 = a<br />

2<br />

2<br />

58. Jawaban : D<br />

<strong>Pembahasan</strong> :<br />

Bilangan prima dibagi bilangan real menghasilkan<br />

bilangan real<br />

59. Jawaban : A<br />

<strong>Pembahasan</strong> :<br />

x + 56<br />

x + 65<br />

x1<br />

= , x2<br />

=<br />

n<br />

n<br />

x2<br />

− x1<br />

= 3<br />

x + 65 − x − 56<br />

= 3<br />

n<br />

n = 3<br />

60. Jawaban : B<br />

<strong>Pembahasan</strong> :<br />

22<br />

3(<br />

2r)<br />

+ KO = 6r<br />

+ 2.<br />

. r<br />

7<br />

86<br />

= r<br />

7<br />

www.sscisolo.wordpress.com<br />

61. Jawaban : A<br />

<strong>Pembahasan</strong> :<br />

FPB 36,48,24=12<br />

Melon = 24:12=2<br />

62. Jawaban : A<br />

<strong>Pembahasan</strong> :<br />

a = 24,<br />

Un<br />

= 151<br />

10<br />

S10<br />

= ( 24 + 151)<br />

2<br />

= 875<br />

63. Jawaban : C<br />

<strong>Pembahasan</strong> :<br />

2.<br />

1<br />

L = = 60<br />

2.<br />

5.<br />

12<br />

64. Jawaban : C<br />

<strong>Pembahasan</strong> :<br />

L = 48(<br />

L1<br />

+ L2<br />

+ L3<br />

)<br />

⎛<br />

⎞<br />

⎜ 1 1 1 ⎛ 7<br />

2<br />

⎞<br />

= 48 . 18.<br />

21 + π7<br />

2<br />

+ π ⎟<br />

⎜<br />

⎜ ⎟<br />

2 2 2 ⎝ 2 ⎠ ⎟<br />

⎝<br />

⎠<br />

= 13692<br />

65. Jawaban : B<br />

<strong>Pembahasan</strong> :<br />

1<br />

. 15 = 5 → 30'<br />

3<br />

sisa = 15 − 5 = 10 → 30'<br />

Selesai pukul 09.15<br />

66. Jawaban : C<br />

<strong>Pembahasan</strong> :<br />

K =40<br />

2(p+l)=40<br />

L =20-p<br />

L =20p-p2 L’ =20-2p<br />

O =20-2p<br />

P =10<br />

Nilai p agar luasnya maksimum adalah : 10<br />

67. Jawaban : B<br />

<strong>Pembahasan</strong> :<br />

2<br />

= 8<br />

4 4 3 2 2 3 4<br />

= x + 4x<br />

y + 6x<br />

y + 4xy<br />

+ y<br />

( x + y)<br />

( x + y)<br />

64 = 8 + 2xy<br />

56 =<br />

28 =<br />

2<br />

2<br />

( 2x<br />

+ 3xy<br />

+ 2y<br />

)<br />

2xy(<br />

8 + 8 − xy)<br />

xy(<br />

16 − xy)<br />

2 ( xy)<br />

−16(<br />

xy)<br />

+<br />

( xy −14)(<br />

xy − 2)<br />

0 =<br />

0 =<br />

xy = 14<br />

xy = 2<br />

28<br />

68. Jawaban : B<br />

<strong>Pembahasan</strong> :<br />

x%<br />

1 = x125<br />

100<br />

100 = 125x%<br />

100<br />

x%<br />

=<br />

125<br />

= 0,<br />

8%<br />

69. Jawaban : A<br />

<strong>Pembahasan</strong> :<br />

Max = 150<br />

6.60+8.35=360+280=640<br />

Berapa kali perahu mengantar = 640/150=4,2<br />

Jadi maksimal perahu mengantar 4x

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