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Fofino [41]
3 years ago
14

Adding Polynomial Expressions. (SIMPLIFY#1(ab^2+13b-9)+(6-4a+3ab^2)+(a+7b)#2(9x^3-2x^2-x)+(3x)+x^3-4)+(x^2-3x)​

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
5 0

Answer: 4ab^2 +20b - 3 -3a

Combine like terms.

Combine ab, b, a terms for #1

Combine x^3, x^2, x terms for #2

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PLEASE HELP! YOU WILL GET 10 BRAINLIST!! PLEASE SHOW ALL OF YOUR WORK/HOW YOU GOT THE ANSWER
valentina_108 [34]

Answer:

-2(y+4)-2y >8

-2y-8-2y>8

-4y-8>8

-4y<8+8          

When you move a number on the other side it changes the side then > will become <

-4y<16

-4y/-4<16/-4

y<-4

5 0
3 years ago
1.678 rounded to the nearest hundredth​
Talja [164]

Good morning,

Answer:

1.678 rounded to the nearest hundredth is 1.68

Step-by-step explanation:

By looking at the number 1.678 it’s clear that the hundredth digit is 7

since 8∈{5,6,7,8,9} then we delete the 8 and add one to 7

we get 1.68 .

:)

7 0
3 years ago
Read 2 more answers
Is this a function or not?
Alex

Answer:

Your answer should be function.

Step-by-step explanation:

Its a function because each input has an output.

8 0
2 years ago
Read 2 more answers
The total bill for a dinner, before tax, is $40.00. If you leave a 15% tip, you will leave a tip of
VMariaS [17]

The answer is 6$ because 50% of 40 would be 20 and 50% of 20 is 10 but when you all on the tax which would be around a dollar when you take 50% of 10 which is 5 and add on the tax which is a dollar you then get 6$ in total.

7 0
3 years ago
У
7nadin3 [17]

Answer:y

Step-by-step explanation:

7 0
2 years ago
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