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Mathematics

-√11 rational or irrational? -56.4 rational or irrational? -√16 rational or irrational?

If a parallelogram is reduced to have dimensions that are half as long, then the perimeter is one fourth the original length. True False

what is the area of 14 qnd 11

What is the discriminant of the quadratic equation 0=2x2+3x-5

what is the intercepts. 4x+8y=32

Find the area of a triangle with legs that are: 6 mm, 4 mm, and 8 mm.

To determine the critical value for a one-tailed hypothesis test comparing two population means (H0: μ1 ≤ μ2) at a 5% significance level, with both sample sizes equal to 13 and assuming equal population standard deviations, you need to use a t-distribution. The degrees of freedom (df) for the test can be calculated as: df = (n1 - 1) + (n2 - 1) df = (13 - 1) + (13 - 1) df = 24 Using a t-distribution table or software, look up the critical t-value corresponding to a one-tailed test with 24 degrees of freedom and a 5% significance level (0.05 in the tail). The exact critical value can vary slightly depending on the source, but it is approximately 1.711. Always round to a suitable number of decimal places as required by the context, or refer to a specific t-distribution table or statistical software output for a precise value.

In how many ways can ten applicants line up for a job interview?

Compare and contrast positive and negative slopes

Mary is caring for 25 animals while her neighbors are on vacation. The number of cows is 3 greater than the number of pigs. How many pigs is she taking care of?

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