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Paha777 [63]
3 years ago
13

Help me solve the equation please. Thank you so much

Mathematics
1 answer:
dimulka [17.4K]3 years ago
6 0

Step-by-step explanation:

y = (1 − 3x) / (x − 2)

Set the denominator to 0.

x − 2 = 0

x = 2

There is a vertical asymptote at x = 2.

Take the limit as x approaches ∞ and -∞.

lim(x→∞) y = -3

lim(x→-∞) y = -3

There is a horizontal asymptote at y = -3.

Plug in 0 for x and y.

y = (1 − 3(0)) / (0 − 2) = -1/2

0 = (1 − 3x) / (x − 2) → x = 1/3

There is a y-intercept at (0, -1/2) and an x-intercept at (1/3, 0).

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Simplify the polynomial. Then find its value for the given value of the variable.
vekshin1

Answer:

Step-by-step explanation:

Simplified expression:

3x^3 -x^3 +5x^3-9x^3

2x^3 +5x^3-9x^3

7x^3 -9x^3

-2x^3

If x = -1, the value of the expression is:

-2x^3

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2

Hope this helps!

3 0
2 years ago
What is the answer and the work i have to do to get to it
harina [27]

Answer:

B

Step-by-step explanation:

4 0
2 years ago
Can you guys help me with this question
VLD [36.1K]

Answer:

2+2=4 quick mafs

Step-by-step explanation:

3 0
3 years ago
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(a) An article in a medical journal suggested that approximately 14% of such operations result in complications. Using this esti
aev [14]

This question is incomplete, the complete question is;

Surgical complications: A medical researcher wants to construct a

99.5% confidence interval for the proportion of knee replacement surgeries that result in complications.

- An article in a medical journal suggested that approximately 14% of such operations result in complications. Using this estimate, what sample size is needed so that the confidence interval will have a margin of error of 0.08?

Answer: a sample of operations needed is 149

Step-by-step explanation:

Given that;

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margin of error E = 0.08

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now we obtain the critical value of z t the 99.5 confidence interval

∝ = 1 - confidence interval

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∝ = 0.005

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obtaining the area of probability in the right tail

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from probability table; critical value of t =2.81

using the formula

n = p( 1 - p ) [ (z_∝/2)/E)² ]

so we substitute  

n = 0.14 ( 1 - 0.14 ) [ 2.81 / 0.08 )²  

n = (0.14 × 0.86 ) × 1233.7656

n = 148.5453 ≈ 149

Therefore , a sample of operations needed is 149

4 0
3 years ago
6+4×5-5² help please I keep on getting 16
Whitepunk [10]

Answer: 1

Step-by-step explanation:

6+4×5-5²

=6+20-25

=1

3 0
2 years ago
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