MATHEMATICS MIDDLE SCHOOL

I stuck with this one.
Simplify expression 3ab² −5a²b+ (−3a²b)−4ab²

Answers

Answer 1
Answer: the answer is -ab^2-8a^2b
Answer 2
Answer: simply with same variable and exponents
so the answer is 
-ab²-8a²b
so your combining like terms 

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Wang Yong owes the bank $8500. To repay the debt, he paid a fixed amount back to the bank each month. After 12 months, his remaining debt was $6460. How much did Wang Yong pay each month?
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Which linear equality will not have a shared solution set with the graphed linear inequality? y >2/5 x + 2 y <-5/2 x – 7 y >-2/5 x – 5 y < 5/2x + 2

PLZZZZZ HELP MEEE 39 points

Answers

I hope this helps you

1.Do examples that support a conjecture prove the conjecture to be true?

Answers

Answer:

A conjecture is an “educated guess” that is based on examples in a pattern. ... However, no number of examples can actually prove a conjecture. It is always possible that the next example would show that the conjecture is false. A counterexample is an example that disproves a conjecture.

Negative four ninths minus two fifteenths'

Answers

negative \ four \ ninths \to -(4)/(9) \n\n two \ fiftheenths \to(2)/(15) \n\n -(4)/(9)^((5)-(2)/(15)^((3)= \n\n =-(20)/(45)-(6)/(45)= \n\n =\boxed{-(26)/(45)}

4 more than a number is no more than 13

Answers

The answer is nine, your welcome

Answer:

9

Step-by-step explanation:

6/4 in reduced is 1 2/4 I need help now

Answers

Its actually reduced to 3/2. What you do is fin the greatest common factor in both numbers which is 2 and divide them by 2. Which will get you 2/3.

Tina had $47.10 in her bank account on Monday. She withdrew $25 on Monday and also made a deposit of an amount d that she cannot remember. Tina had $97.43 in her account on Tuesday.Which equation can be used to solve for d, the amount she deposited on Monday?

A.
47.10 – 25 + d = 97.43

B.
47.10 – 25 – d = 97.43

C.
47.10 + 25 – d = 97.43

D.
47.10 + 25 + d = 97.43

Answers

The answer is B as she starts with $47.10 and takes out $25 and then makes a deposit so she loses again so it's a take away


A
because first she had 47.10 and then she withdrew (took out, and in this case subtracted), so now we know the answer has to be A or B( because in C and D it is addition in the beginning) , and then she deposited (which means put in, or added) so-
45.10-25+d=97.43

Hope it helped:)
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Please help! Not very good in word problems.
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