Numerade

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Q.4) Find i. (4 marks) 10 ? W 2? W 1? 4? 8V i 6V +- 5?

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Which of these is a research question that seeks the value of one or more variables? a. Does a decrease in hours of sleep cause a decrease in attention? b. Is the number of pets owned associated with an individual's yearly income in dollars? c. Is college GPA correlated with future job success? d. How many employees enrolled in the company vision care plan last year?

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Which is true about an equilateral triangle and a scalene triangle? an equilateral triangle has three congruent sides and a scalene triangle has three congruent sides an equilateral triangle has three congruent sides and a scalene triangle has two congruent sides an equilateral triangle has three congruent sides and a scalene triangle has one congruent side an equilateral triangle has three congruent sides and a scalene triangle has no congruent sides

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QUESTION 2 (15 Marks) Quantitative techniques can be used to describe and measure categorical and numerical data. For each of the following random variables shown in questions a) to e) below, you are required to indicate: - The data type - (i.e. categorical or numeric) - The measurement scale - (i.e. nominal, ordinal, interval or ratio) - Whether it is (discreet or continuous) Answer a) The area covered by a rain storm (3) b) The different types offruit produced (3) c) The sizes of potatoes (3) d) The number of farmers in Limpopo (3) e) Ranking the types offarm production according to small, medium or large (3)

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Exercise 10.3 1. If 350 is reduced to 210, what is the reduced percentage? 2. Aanchal's height increased by 4% this year. The increase in height is 5 cm. How tall is she this year? 3. Last year, the number of enrollments in class 5 was 180. The enrollment this year is 250. Find the percentage increase in the enrollment. 4. A rise of 25% in the price of an item compels a person to buy 1 kg of the item less for 240. Find the increased price as well as the original price per kg of the item. 5. A number is first increased by 25% and then decreased by 25%. Find the net increase or decrease in percent. My Notes: â€¢ Percent means 'per hundred'.

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1. (10 points) (Without Python) The board for a modified Snakes and Ladder game is shown in Figure 1. The game is played with a tetrahedron (4-sided) die. 6 1 2 9 Figure 1: Modified Snakes and Ladder game board (a) Find the expected length of the game. That is, what is the average number of plays/moves needed to read the finish. (b) Assume that your friend Loki is on square 6. Find the probability that Loki will find himself on square 3 before finishing the game.

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Which of the following would lower the pressure on a contained gas at constant temperature? a. halving the volume of the container b. doubling the number of particles in the container c. doubling the volume of the container d. none of these

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It is quite common for people (and even scientists) to say they either have the gene or genes for a certain trait or that they don't have the gene or genes for a certain trait. For example, I have brown eyes, so if I said "I don't have the gene for blue eyes!" Why would this be incorrect? What would be a more accurate way to indicate the same thing?

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I need help with problems 8-24 and 10-18, if you can please help me that would be great. Thank You!

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SOUND FREQUENCY WAVELENGTH (Hz) (m) A 256 2.2 m B 319 1.7 m C 512 1.1 m 1. Which tuning fork produces the highest frequency of sound waves? Lowest frequency? 2. Which sound travels the fastest? Slowest? 3. Compare the speed of the sound produced by tuning fork A with the speed of the sound produced by tuning fork C. TEACHER'S NOTE

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olga a.