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Over [174]
3 years ago
14

Find all values of thetaθ​, if thetaθ is in the interval ​[0degrees°​, 360degrees°​) and has the given function value cot thetaθ

=1
Mathematics
1 answer:
Kobotan [32]3 years ago
3 0
In the first quadrant, 0-90 degrees, the angle whose cotangent  is is 45 degrees.  The only other quadrant where cot theta is 1 is 3rd quadrant.

The 2 angles are 45 and 180+45  = 225 degrees

Answer 45 , 225 degrees.
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Use the graph of the quadratic function to identify the solutions when y = 0.
ludmilkaskok [199]

The answer is A I had this on my test in math class earlier on my math test
3 0
3 years ago
Do men’s voting preferences differ significantly from women’s voting preferences?"" Use a level of significance of α = 0.05. Whi
baherus [9]

Answer:

<em>H₀</em>: The voting preference of men and women are not different.

<em>Hₐ</em>: The voting preference of men and women are not different.

Step-by-step explanation:

A hypothesis test for two proportions can be used to determine whether the preference of men differ from women in case of voting.

A Chi-square test contingency table can be used to perform the test.

The hypothesis can be defined as:

<em>H₀</em>: The voting preference of men and women are not different.

<em>Hₐ</em>: The voting preference of men and women are not different.

The test statistic is:

\chi^{2}=\frac{Row\ total\times Column\ total}{N}

Decision rule:

If the <em>p</em>-value of the Chi-square test statistic is less than the significance level <em>α</em> = 0.05 then the null hypothesis will be rejected. And if the <em>p</em>-value is more than the significance level then the null hypothesis will not be rejected.

8 0
3 years ago
If you run 10 feet in 3 seconds how long does it take you to run a mile?
mel-nik [20]
It would take you 15 minutes
3 0
3 years ago
A bag contains 8 black beads and 4 white beads. If 2 beads are drawn at random, what is the probability that both beads are blac
maria [59]

Answer:

14/33

Step-by-step explanation:

The total amount of beads is 8+4 = 12.  8 of these are black beads, so that is what we want, so 8/12 or 2/3.  For the second one, one black bead is already taken so 8-1 = 7 are left and for the total 12 - 1 = 11 are left, so 7/11.  Multiply this by 2/3 and we get 14/33.

3 0
3 years ago
What is the simplified form of 3.1 - 5.8n - 4n + 8?
lana66690 [7]

Answer:

-9.8n + 11.1

Step-by-step explanation:

1. Combine like terms

      -5.8n - 4n = -9.8n

      3.1 + 8 = 11.1

2. -9.8n +11.1

8 0
3 years ago
Read 2 more answers
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