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djverab [1.8K]
3 years ago
11

Module 6 Polynomial the question is in the picture. Alana completed a problem where she had to find the sum of the polynomials (

3x^2+8x-4) and (-8x^3-3x+4). Her answer is 0. Complete the explanation and correct her mistake. When graphed, how many times does the sum change directions??
A rectangular plot of land has a length of (2x^2+5x-20) and a width of (3x+4). What is the polynomial representing the area of the plot of land? Explain how you got your answer. Below.

Mathematics
1 answer:
dybincka [34]3 years ago
8 0
Actually i was going to ask you the same question

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Need help with question
svetoff [14.1K]

Answer:

15 14/15

Step-by-step explanation:

8 + 7 = 15

1/3 + 3/5

5/15 + 9/15

14/15

15 + 14/15 = 15 14/15

5 0
2 years ago
The gcf of two numbers less than or equal to 12 is 2. Their LCM is 20.What are the numbers?
bixtya [17]

We know:

LCM(a,\ b)=\dfrac{ab}{GCF(a,\ b)}

We have

GCF(a,\ b)=2,\ LCM(a,\ b)=20,\ a\leq12,\ b\leq12

Substitute:

20=\dfrac{ab}{2}\qquad|\cdot2\\\\ab=40

40=1\cdot40=2\cdot20=4\cdot10=5\cdot8

Only 4 and 10 meet the requirements of the question.

--------------------------------------------------------------------

40 and 1 NOT, because 40 > 12

20 and 2 NOT, because 20 > 12

5 and 8 NOT because GCF(5, 8) = 1

5 0
3 years ago
6. A graph with a<br> slope decreases from left to right.
Alexeev081 [22]
Please provide an image or other when you ask a question, as you’re not gonna get a clear answer
6 0
3 years ago
Read 2 more answers
tDan paid the grocery bill of $76.45 with $100. Mistakenly the cashier gave Dan only $13.55 in change. How much more does the ca
adell [148]

The answer would be 10$

7 0
3 years ago
Which expression has a value of 15 when p=12
Arturiano [62]

Answer:

Please provide more information like answer choices, or even better a picture!

Step-by-step explanation:

If you'd like to add answer choices, you can simply type them in the comments below.

If you'd like to add a picture, you will have to make a new post.

Very sorry but it's not clear enough!

Hope this helps!

5 0
3 years ago
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