22. In parallelogram ABCD, E and F are the midpoints of AB and CD, respectively. Prove that AECF is a parallelogram.

Q: 13. Compute the test statistic. A. 0.55 B. 1.50 C. 1.59 D. 1.60 14. Determine the critical value. A.…

A: For the given data Perform t test for one mean

Q: 4 and cot A < 0, then find cos 2a. 5' If sin a = - 7. B. 25 7. D.-25 В. Z 24 A. 25 24 С. 25

A: sin α=-45  &amp;  cot α&lt;0

Q: hank

A: It is given that the coin is flipped 3 times successively. 4. The event C where they obtained three…

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A: i have solved question 4 for next question repost.

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Q: 2.3 EXERCISES Unless otherwise specified, assume that all mat kercises are nxn. Determine which of…

A:

Q: B. SOLVING. Find the exact value or expression being asked. 11. If tan B: 3 find sin B sec B cot B…

A: Apologies. We only answer one question at a time. We will answer question 11 as the exact one wasn't…

Q: 6. g(a) = a² + 8a – 7 7. f(b) = (b + 6)(b – 2) %3D %3D 8. h(x) 2x+17 %3D 3x+1

A: Note: We will only answer up to three sub-parts as the exact one is not specified. Please resubmit…

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A: If you board the ferris wheel at point P at time t = 0, and each wheel rotates in the direction…

Q: 40°F Clear A rental car company charges $74.90 per day to rent a car and $0.13 for every mile…

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Q: Answer 16 and 17. Thank you!

A:

Q: wer

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Q: Answer question number 8,9 and 12.

A:

Q: EE eBook A local bank is using Winters' method with a = 0.2, ß = 0.1, and y = 0.5 to forecast the…

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Q: 4. Which of the following is the rejection region if the level of significance is 5%, right-tailed…

A: Which of the following is the rejection region if the level of significance is 5%, right-tailed test…

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Q: b. Find all solutions, if any exist, by using Gauss – Jordan reduction method.

A: Follow the procedure given below.

Q: 1. Select all the points that are solutions to 2x + 4y 20. A. (0,5) B. (0,10) C. (1,2) D. (1,4) E.…

A: 2x+4y=20