Helllp pls help and don’t comment if u don’t know
2 answers:
For the first one Answer:7z^3 −2z+1+2z^2
Step-by-step explanation:
(7z ^3
+ 4z −1)+(2z^2
− 6z +2)
Combine 4z and −6z to get −2z.
7z3 − 2z −1 + 2z2 +2
Add −1 and 2 to get 1.
7z3 − 2z + 1 + 2z2
Answer:
a) 7z³+2z²-2z+1
b)2x²+3x-8
Step-by-step explanation:
a) (7z³+4z-1)+(2z²-6z+2)
7z³+2z²-2z+1
b) (5x²-2x-1)-(3x²-5x+7)
5x²-2x-1-3x²+5x-7
2x²+3x-8
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Answer:
he multiplied by 0.8 not .08
Step-by-step explanation:
when doing 8% you go back 2 places so 0.08
34×0.08= 2.72
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Step-by-step explanation:
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1/11
<span>1/11
</span><span>1/11
</span><span>1/11
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