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Ann [662]
2 years ago
10

Which of the following statements are always true?

Mathematics
2 answers:
Igoryamba2 years ago
4 0

Answer: A trapezoid is always a parallelogram.

Step-by-step explanation:

gogolik [260]2 years ago
4 0
Answer
the third one a trapezoid can always be a quadrilateral

hope this helps and have a wonderful day :)
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If ten boys T-pose in the bathroom and X of them leave then 2 come back how many boys are in the bathroom now
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360 no-scope

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3 years ago
A researcher tests the effect of environmental condition on task performance. She uses a between subjects design and has partici
nexus9112 [7]

Answer:

<em>F test</em>

Step-by-step explanation:

<em>For any test using the F-distribution, a "F Test" is a capture-all word. In certain circumstances, as individuals speak about the F-Test, it is the F-Test to compare two variances that they actually talk about. </em>

Moreover, in a multitude of tests, the f-statistics is used such as regression analysis, the Chow test and the Scheffe test (a post-hoc ANOVA test).

One should be using Excel, SPSS, Minitab or some other form of software to run the experiment if you are running a F test.

<em><u>Steps include.</u></em>

  1. State the hypothesis of nullity and the counter hypothesis.
  2. Determine the value of F. The F value is determined using equation F = (SSE1 – SSE2/m)/SSE2/n-k, where SSE = square residual, m = number of constraints, and k = number of independent variables.
  3. Find the statistics for F (the critical value for the test). The F statistical formula is: F Statistics = group mean / mean variance of variances within the group.  
  4. The F Statistics can be found in the F-Table.  
  5. The Null Hypothesis is accepted or denied.
7 0
2 years ago
How do I search up friends here?
navik [9.2K]

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I don't think you can..

Step-by-step explanation:

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2 years ago
Jill has 4 bags of marbles. There are 3red, 5green,2 yellow, and 6black marbles I. Each bag. How many marbles does Jill have? Sh
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6 0
2 years ago
Read 2 more answers
Maritza remembers her PIN because it is between 1,000 and 1,500 and it is the product of two consecutive prime numbers. What is
valentina_108 [34]

Answer:

<em>The PIN is 1147</em>

Step-by-step explanation:

<u>Prime numbers</u>

These are integer numbers that only divide exactly by themselves and by 1. To find the first possible prime number between 1,000 and 1,500, calculate the square root of 1,000.

\sqrt{1000}\approx 31.6

Thus, the first prime to consider is 31. Write the consecutive primes from 31:

31 , 37 , 41 , 43

We can see the only two consecutive primes whose product lies in the given interval are 31 and 37. Thus, the PIN is 31*37=1147

4 0
3 years ago
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