(9x^4-13x^3-x-7)+(7x^3-2x+1)=
9x^4-13x^3-x-7+7x^3-2x+1=
9x^4+(-13+7)x^3+(-1-2)x-7+1=
9x^4+(-6)x^3+(-3)x-6=
9x^4-6x^3-3x-6
Answer: Option <span>D.)9x^4−6x^3−3x−6</span>
Answer:
A)310.18g/mol
B)84.9947g/mol
C)108.01 g/mol
d)159.7g /mole(Approx)
e)Coc12 g/mol
f) A1(OH)3 g/mol
g)83.9949 g/mol
h)197.9 g/mol
i)18.01529 g/mol
Step-by-step explanation:
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Answer:
1/7 i took the assigmnet this was the awnser
