kflvcko6996
19.05.2020 •
Mathematics
Which algebraic expression has like terms? 9 n cubed minus 2 n + 3 minus 4 n squared 7 n cubed + 3 n minus 3 minus 6 n squared 7 n cubed + 4 n minus 3 n cubed minus 5 n squared 6 n cubed minus 4 n Superscript 4 Baseline + 6 n minus 5 n squared
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Ответ:
answer is c
Step-by-step explanation:
correct me if im wrong but it should be
Ответ:
Let us say that:
x = speed of Spencer
x + 5 = speed of Dustin
Therefore:
8 x + 8 (x + 5) = 264
8 x + 8 x + 40 = 264
16 x = 224
x = 14 mph = speed of Spencer
So speed of Dustin is:
x + 5 = 19 mph = speed of Dustin