1 answer:
Answer:
-0.25
Step-by-step explanation:
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Attached the solution and work. Not sure about number 3. You might have to check that one.
7n-1>-169
+1 both sides
7n>-168
÷7 both sides
n>-24
Answer:
The solved problem is in the photo. Hope it helps.
He has 100 + 120 = 220 coins in his purse.
He has n + p coins if he has n nickels and p pennies.
Answer:
6n^4-10n^2+10n
Step-by-step explanation:
4 n^4+2n^4-3n^2-7n^2+9n+n
6n^4-10n^2+10n