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VARVARA
[1.3K]
4 years ago
15
13. How many solutions does this equation have: 8d-10=4(2d-6)?
Mathematics
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1
answer:
kvasek
[131]
4 years ago
6
0
13. 8d - 10 = 4(2d - 6)
8d - 10 = 8d - 12
8d - 8d = -12 + 10
0 = -2......incorrect....NO SOLUTIONS
14. 3.50c > = 500
c > = 500/3.50
c > = 142.857....she can sell (minimum) of 143
15. 14c - 10 = 20
14c = 20 + 10
14c = 30
c = 30/14 reduces to 15/7 (or 2 1/7)
16. c = 1.50g + 3
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