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LekaFEV [45]
2 years ago
11

Please help me

Mathematics
1 answer:
Solnce55 [7]2 years ago
4 0

Answer:

4x^2-81y^2 is NOT a perfect square trinomial, factored. You know this because if you factor this to (2x+9y)(2x-9y) then you will see that the signs between terms in the parenthesis are DIFFERENT.

Step-by-step explanation:

Taking notes as you go through the course will help you retain and process the information much better than getting "help" from a site that is probably badly named.

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Answer:

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8 0
3 years ago
I need help with this question
kotegsom [21]

Answer:

The Answer Is 1

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A first number plus twice a second number is 9. Twice the first number plus the second totals 27. Find the numbers
SOVA2 [1]
Create a a system of 2 equations: 2x + y = 27 and 2y + x = 9, with x being the first number and y being the second. solve for the two variables and you'll get the first number is 15 and the second is -3.
6 0
3 years ago
The product of three numbers is -216, but their sum is -18. <br><br> I’ll give 18 points!!!!
sergey [27]
-6 x -6 x -6 = -216
-6 + -6 + -6 = -18
So the answer is negative 6
8 0
3 years ago
Which student's work is correct? Explain please
Lunna [17]

Step-by-step explanation:

Wendy

-20 = x/2 + 7

-20 -7 = x/2 + 7 -7

-27 = x/2

-54 = x

x = -54

because it's math rule

8 0
3 years ago
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