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mel-nik [20]
3 years ago
7

(X^4-81)/x^3+3x^2+9x+27

Mathematics
1 answer:
Iteru [2.4K]3 years ago
6 0

Answer:

x-3

Step-by-step explanation:

(x^2-9)(x^2-9)/x^2*(x+3)+9(x+3)

(x+3)*(x^2+9)/(x+3)*(x^2+9) cross multiply

(x^2+9)*(x+3)/(x^2+9) cross multiply

x+3 final anser

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Help pls
gogolik [260]

Answer:

I think the answer is 3x

Step-by-step explanation:

If i am wrong please correct me

4 0
1 year ago
4 X 10⁴) + (6 x 10²)​
Ksenya-84 [330]

Answer:40,600

Step-by-step explanation:

10x10x10x10=10,000

10x10=100

4x10,000+6x100

40,000+600=

40,600

4 0
3 years ago
Read 2 more answers
A is the point (-2, 0) and B is the point (0, 4).Find the equation of the straight line joining A and B.
Rus_ich [418]

Answer:

y = 2*x + 4

Step-by-step explanation:

We know that a linear function can be written as:

y = a*x + b

Where a is the slope and b is the y-intercept.

We know that if this line passes through the points (x₁, y₁) and (x₂, y₂) the slope can be written as:

a = (y₂ - y₁)/(x₂ - x₁)

So, here we know that our line must pass through the points (-2,0) and (0, 4)

Then the slope of this line is:

a = (4 - 0)/(0 - (-2))

a = 4/2 = 2

Then our line is something like:

y = 2*x + b

Now, to find the value of b we can use one of these two points, for example if we use the point (-2, 0), we know that, when x = -2, we must have y = 0.

0 = 2*(-2) + b

0 = -4 + b

4 = b

Then the equation for our line is:

y = 2*x + 4

6 0
3 years ago
Laura has a 12-foot ladder. The safety instructions recommend the base of the ladder be placed 4 feet from the base of the wall.
blsea [12.9K]

Answer:

3

Step-by-step explanation:

12÷4=3

Have a good day:)

8 0
2 years ago
Michaela is cooking cookies. The recipe calls for 4 3/4 cups of sugar. She has already put in 3 cups. How many more cups does sh
ozzi
She would need to put 1 3/4 more cups in.
8 0
3 years ago
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