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juansoto227711
06.02.2021 •
Mathematics
I need help ASAP with both
Solved
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Ответ:
No for the first one, yes for the second.
Step-by-step explanation:
Plug in the given numbers and see if it works.
15(1) + 3(4) = 10
15 + 12 = 10.
27 ≠ 10
Since 27 does not equal 10, we can already see that solution (1,4) will not work for these equations.
Now for the second problem, do the same thing.
10 = 1 + 9.
This is true, but remember to check the second equation just to be sure.
10 = 4(1) + 6
10 = 4 + 6
This is also true, so it (1,10) is a solution for the second system of equations.
Ответ:
81.9 apples (= 82 apples rounded to nearest whole number)
Step-by-step explanation:
41.5% > represents 34 apples
1% > represents (34 / 41.5) apples
100% > represents (34 / 41.5) x 100 apples= 81.9 apples (= 82 apples rounded to nearest whole number)