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qwelly [4]
3 years ago
10

Which graph shows the solution set of x^2+4x-12/x 0

Mathematics
2 answers:
kupik [55]3 years ago
6 0
As shown in the figure below the answer is the last option:

(-6, 0) \cup (2, +\infty)

The roots of the polynomial in the denominator are:

x_{1}=-6
x_{2}=2

So, the inequality can be written as follows:

\frac{(x-2)(x+6)}{x}\ \textgreater \ 0

From this inequality we can study the signs and get the same conclusion just as shows the graph.



MatroZZZ [7]3 years ago
6 0

Answer:

D

Step-by-step explanation:

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Would it be B? Let me know
IgorC [24]

Answer:

whats the question?

Step-by-step explanation:

8 0
3 years ago
The following values of (x) and f(y) are given. Find the best value of (dy/dx) at
velikii [3]

Answer:

dy/dx at x=6 is 0.334

Step-by-step explanation:

The center difference method requires that the values of the function are given in equal intervals which is the case, and allows one to find the value for x = 6 using those of the function for x = 5.5 and for x = 6.5 as follows:

\frac{dy}{dx} =\frac{3.7436-3.4096}{6.5-5.5} =0.334

4 0
3 years ago
SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are interested in estimating the average SA
kotegsom [21]

Answer:

I should use at least 304 students

Step-by-step explanation:

Margin error (E) = t × sd/√n

E = 40

sd = 300

confidence level (C) = 98% = 0.98

significance level = 1 - C = 1 - 0.98 = 0.02 = 2%

t-value corresponding to 2% significance level and infinity degree of freedom is 2.326

n = (t×sd/E)^2 = (2.326×300/40)^2 = 17.445^2 = 304 (to the nearest integer)

3 0
3 years ago
Please help! Thank you :) also don't spam for points I know a moderator
dybincka [34]

Answer:

1) True

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4 0
2 years ago
In ΔEFG, f = 1.2 inches, ∠E=55° and ∠F=109°. Find the length of e, to the nearest 10th of an inch.
Alekssandra [29.7K]

Answer:

e = 1.04

Step-by-step explanation:

To find e, we apply the sine rule

e/sineE = f/sineF

e/sine55 = 1.2/sine109

e/0.8192 = 1.2/0.9455

0.9455e = 1.2 x 0.8192

e = 0.9830/0.9455

e = 1.0397

to nearest tenth = 1.04inch

3 0
3 years ago
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