Answer:
5×6=30y-12 :22 (5'3 and is perpendicular to the line .
Step-by-step explanation:
hi
Answer:
16
Step-by-step explanation:
grater than 13 less than 20
14,15,16,17,18,19
6 ones
16
5x + 25y = 60....multiply by -3
3x + 15y = 42....multiply by 5
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-15x - 75y = - 180 (result of multiplying by -3)
15x + 75y = 210 (result of multiplying by 5)
-------------------add
0 = 30...incorrect.....this system has no solutions
Answer:
C
Step-by-step explanation:
Based on the other answers. C is the odd one out.
Answer:
Step-by-step explanation:
k(k+1)(k+2) - 3k(k+1)
k and (k+1) are common to both terms.
k(k+1)(k+2) - 3k(k+1) = k(k+1)[(k+2) - 3] = k(k+1)(k-1)