11 Downey Street is the Residence of the British Chancellor of the Exchequer
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Suppose the seven numbers are a,b,c,d,e,f and g The arithmetic mean of all 7 is 10. So the sum of all seven ie a+b+c+d+e+f+g is 10*7 = 70. The arithmetic mean of the fist six a to f is 11. So their sum (a+b+c+d+e+f) is 11*6 = 66. So, g = (a+b+c+d+e+f+g) - (a+b+c+d+e+f) = 70-66 = 4
Calkins If you are doing the same quizzes i am for the hockenbury book the answers are: Chapter 1 A Quiz: 1.B 2.D 3.D 4.D 5.A 6.D 7.A 8.C 9.B 10.B 11.B 12.A 13.B 14.B 15.D Chapter 1 B Quiz:1.b 2.c 3.c 4.d 5.a 6.a 7.d 8.d 9.c 10.b 11.a 12.b 13.d 14.b 15.d Chapter 2 A Quiz: 1.c 2.c 3.b 4.d 5.d 6.c 7.a 8.d 9.b 10.a 11.d 12.a 13.c 14.d 15.c Chapter 2 B Quiz:1.b 2.c 3.d 4.b 5.a 6.c 7.d 8.a 9.b 10.c 11.d 12.a 13.a 14.b 15.d Chapter 3 A Quiz:1.b 2.b 3.b 4.d 5.c 6.a 7.a 8.b 9.c 10.c 11.d 12.d 13.d 14.c 15.b Chapter 3 B Quiz:1.d 2.b 3.a 4.d 5.c 6.c 7.c 8.a 9.b 10.a 11.d 12.b 13.d 14.c 15.d Chapter 4 A Quiz:1.b 2.d 3.a 4.c 5.c 6.b 7.c 8.a 9.c 10.c 11.d 12.b 13.c 14.d 15.c Chapter 4 B Quiz:1.c 2.b 3.d 4.a 5.a 6.b 7.c 8.d 9.b 10.c 11.a 12.d 13.d 14.a 15.d Once i complete the others i will add more=]
a,b,b,c,a,e,e,c,d,d,d,a,a,b,c,d,e
Suggested layouts . . . Just play ! ( Not sure if images will show . . . If not, here they are written out . . . Layout 01 - A, B, C, D, C, B, A D, C, A, B, A, C, D A, B, C, D, C, B, A D, C, A, B, A, C, D A, B, C, D, C, B, A D, C, A, B, A, C, D A, B, C, D, C, B, A D, C, A, B, A, C, D A, B, C, D, C, B, A Layout 02 - C, D, B, A, B, D, C D, B, A, D, A, B, D B, A, D, C, D, A, B A, D, C, B, C, D, A D, C, B, A, B, C, D A, D, C, B, C, D, A B, A, D, C, D, A, B D, B, A, D, A, B, D C, D, B, A, B, D, C Layout 03 - D, B, C, B, C, B, D A, D, B, C, B, D, A D, A, D, B, D, A, D C, D, A, D, A, D, C B, C, D, A, D, C, B C, D, A, D, A, D, C D, A, D, B, D, A, D A, D, B, C, B, D, A D, B, C, B, C, B, D Layout 04 - A, B, C, D, C, B, A B, A, B, C, B, A, B D, B, A, B, A, B, D C, D, B, A, B, D, C A, C, D, B, D, C, A C, D, B, A, B, D, C D, B, A, B, A, B, D B, A, B, C, B, A, B A, B, C, D, C, B, A
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The answer is 4! (4 factorial), the same as 4x3x2x1, which equals 24 combinations. The answer is 24 and this is how: A b c d A b d c A c d b A c b d A d c b A d b c B c d a B c a d B d a c B d c a B a c d B a d c C d a b C d b a C a b d C a d b C b d a C b a d D a b c D a c b D b c a D b a c D c a b D c b a
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Nims 100 exam answers D C A B B D A C C D D A A B B C A B C D A B A Nims 200 exam answers B D B C B A D D B D C D A A B D C A B B C D A Nims 700 exam answers D A B D C D B A D B C C B B B A D B C C  Nims 800 exam answers A A C D B C C D B C A D B C D B D A C B
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