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cammie505
10.11.2020 •
Mathematics
Pensé un número, lo elevé al cuadrado, después le sumé 19 y me resultó 100.¿Cuál fue el número que pensé? *
a) 9
b) 10
c) 81
d) 137
Solved
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Ответ:
El numero es 9
Step-by-step explanation:
porque 9×9=81+19=100
Espero que esto te ayude :)
Ответ:
Since we know we can't get "2"
using a multiple of the number [10]
therefore we must check [8]
[8] * 4 = 32
72 - 32 = 40
40 / [10] = 4
[] = $ per job
With this information we could say that:
Destiny made $72 from 8 jobs, 4 being mowing, and another 4 were weeding. Mowing 4 lawns earned her $32 while weeding 4 gardens earned her $40