Answer:
1. no
2. yes
3. yes
4. yes
5. no
Step-by-step explanation:
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Let x = the next score
If (81 + 89 + 90 + 83 + 77 + x) ÷ 6 = 82
⇒ 420 + x = (82 × 6)
⇒ x = 492 - 420
x = 72
Thus to get an 82 average he need to get 72 on his next test.
Answer:
omg! mine is Kabal tooo
Step-by-step explanation: i love mortal combat lol

We effectively rewrite the equation as

In order for the LHS to be defined, we need to restrict
, or
. Now, the LHS will vanish when the numerator is 0, which happens for

This value is indeed smaller than 4, so the solution is
.
N^3 +4n^2 +8n -16
hope it help
mark me brainliest if i right ty