Simplify the expression: 7y+3x+3-2y+6
Is it 9y+3x+9???
2 answers:
Step 1) Combine like terms/variables.
7y and -2y are similar, combine them.
7+(-2y)=5y
3x has no similar variables, so it stays the same
3 and 6 are similar, without variables, combine them.
3+6=9
The final answer is 5y+3x+9
Answer:no, it is not 9y + 3x +9
Step-by-step explanation:
7y + 3x + 3 - 2y + 6
we can re-arrange the expression for easy operation
7y -2y + 3x + 3 + 6
5y + 3x + 9.
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Answer:
13
Step-by-step explanation:
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At end: KE and energy lost to friction
PE = KE + E
E = PE - KE
= mgh - (1/2)mv^2
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