dont complain!
a.
Find a number to complete the following pattern:
0,3,14,39,?
b.
Find the operations that make each sentence true
8?8?8?8= 256
8?8?8?8=120
2007-07-19 16:23:21 · 7 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
Don't think there is enough numbers in the sequence to generate a unique answer. One possible solution is 97. Here's why:
0*2 + 3 = 3
3*2 + 8 = 14
14*2 + 11 = 39 (note that 11 is 3 + 8)
39*2 + 19 = 97 (note that 19 is 8 + 11)
Another possibility is
0*2 + 3 = 3
3*2 + 8 = 14
14*2 + 11 = 39
39*2 + 12 = 90 (note that 8 - 3 = 5 and 11 - 8 = 3 and 12 - 11 = 1)
256 = (8 + 8)*(8 + 8)
120 = 8 * (8 + 8) - 8
Math Rules!
2007-07-19 16:43:30 · answer #1 · answered by Math Chick 4 · 0⤊ 0⤋
To find the simple polynomial answer without actually figuring out the polynomial...
Write the numbers in a row. On each subsequent row, write the differences between consecutive terms in the row above. Continue until all the numbers in a row are the same.
0, 3, 14, 39
3, 11, 25
8, 14
6
Then add one more term to the last row and reverse the process.
6, 6
8, 14, 20
3, 11, 25, 45
0, 3, 14, 39, 84
So 84 is one reasonable answer. But surely the question asker has a more clever answer in mind.
b.
((8+8)/8)^8 = (16/8)^8 = 2^8 = 256
((8+8)*8)-8 = (16*8)-8 = 128-8 = 120
2007-07-19 23:54:25 · answer #2 · answered by ryanker1 4 · 1⤊ 0⤋
a. 84: n^3 + n^2 + n, starting from n = 0.
b. (8+8)*(8+8) = 256
(8+8)*8 - 8 = 120
2007-07-19 23:35:45 · answer #3 · answered by Scarlet Manuka 7 · 1⤊ 0⤋
a. 0,3,14,39,114
b. 8+8x8-8=120
2007-07-20 04:21:45 · answer #4 · answered by Gbinz 3 · 0⤊ 0⤋
These people are doing YOU the favour. They can complain all they want.
b2) (8 + 8 )x 8 (- 8)
2007-07-19 23:30:29 · answer #5 · answered by Lady Geologist 7 · 2⤊ 1⤋
I got 226
:-D
2007-07-19 23:29:06 · answer #6 · answered by Anonymous · 0⤊ 0⤋
a.= 42
b. ?...?
2007-07-20 08:00:06 · answer #7 · answered by Arun W 1 · 0⤊ 0⤋