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nevsk [136]
3 years ago
8

If f(x) is a continuous function defined for all real numbers, f(–1) = 1, f(–5) = –10, and f(x) = 0 for one and only one value o

f x, then which of the following could be that x value?
A.  –6
B.  –5 
C. –4
D.  0
Mathematics
1 answer:
Mashcka [7]3 years ago
4 0
The answer is would be B. -5
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6 0
2 years ago
HEEEELP PLEASE<br> I dont understand
lesya [120]

Answer:

<h2>y = 0.5x</h2>

Step-by-step explanation:

\dfrac{y}{x}=a\to y=ax\\\\\text{We have}\ x=1,\ y=0.5.\\\\\text{Substitute:}\\\\a=\dfrac{0.5}{1}=0.5\\\\\text{Therefore}\ y=0.5x

7 0
3 years ago
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A survey was conducted to find out how much time people have to spend commuting to work. The sample means for two samples are 71
Lorico [155]

Answer:

E: None of the above

Step-by-step explanation:

Hello!

The objective is to find out how much time it takes people to commute to work.

Two samples where taken and two hypothesis tests where made:

One:

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Two:

Sample mean 72 min; p-value: 0.06

You have to choose from the options, a possible pair of hypotheses used for these two tests.

The parameter of the study is the population mean μ.

In the statistic hypotheses, the parameters are given either a known population value or a suspected value. So all options including sample values are wrong.

As said before the objective of the survey is to "determine how much time people spend commuting to work" in other words, whether or not the population mean is equal to a certain value.

H₀: μ = μ₀

H₁: μ = μ₀

Where μ₀ represents the theoretical value of the population mean. As you can say the hypotheses pair is two-tailed, not one-tailed.

Then the correct answer is E: None of the above

I hope this helps!

7 0
3 years ago
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faltersainse [42]

\text{Use pythagorean theorem}

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4 0
2 years ago
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svet-max [94.6K]

Answer:

6d+49.8

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Step-by-step explanation:

7 0
2 years ago
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