Numerade

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What is the major function of neurons in neural tissue?

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- Show all the steps of your working and give your reasons clearly. Give a proper conclusion to your answers where applicable. Question 1 Write the repeating decimal number 3,142 as an improper fraction. Question 2 2.1 A father is four times as old as his daughter. In 6 years he will be three times as old as she is then. How old is the daughter now? 2.2 The distance between two towns $ A $ and $ B $, is $ 90 \mathrm{~km} $. John cycles from $ A $ to $ B $ whereas Harry cycles from $ B $ to $ A $. They start cycling towards cach other at the same time. John cycles twice as fast as Harry does. If they meet 2 hours later, at what average speed is each cyclist traveling? (8) 2.3 The area covered by water weed on a dam increases exponentially according to the formula \[ A=A_{0} e^{k t}, \] where $ A $ is the area, in square metres, covered by weed after $ t $ days. The initial area $ A_{0} $ of water weed is $ 200 \mathrm{~m}^{2} $. After 10 days the area is $ 300 \mathrm{~m}^{2} $. (a) Determine the value of $ k $. Leave your answer in terms of $ \ln $. (b) Use the formula above, and the value of $ k $ in terms of $ \ln $, to determine the area covered by water weed after 30 days. $ [23] $

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4. (10 pts) a) Predict whether fumarate or maleate will have a greater electrophoretic mobility. Briefly explain your answer and give a quantitative estimate of their relative mobilities. fumarate maleate 5. (10 pts) A solution in a capillary has an electroosmotic mobility of 1.3x10-8 m²/V.s at pH 2. At pH 12 the electroosmotic mobility is 8.1 x10-8 m²/V.s. If 27 kV is applied across the 62-cm long capillary: a. How long will it take a neutral solute to travel 52 cm from the injector to the detector at pH 2? b. Same as in "a", but at pH 12?

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A rock thrown upward on planet Mars with a velocity of 11 m/s. Its height above the ground is given by the equation H = 11t - 1.86t^2.

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Question 11\n3pts\nThe dynamic viscosity, \\mu , is presented with different units in different sources. These units can all be represented in terms of the basic units of mass, length and time , T, respectively) with the relationship L^(i)*M^(j)*T^(k), where the exponents i,j and k are integers with the values:\ni=\nj=\nk= Question 11 3 pts The dynamic viscosity,is presented with different units in different sources.These units can all be represented in terms of the basic units of mass, length and time (M, I ,T, respectively) with the relationship Li . M . Tk , where the exponents i, j and k are integers with the values i= j= k =

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CHEM 1P92 Assignment 12B (Liquids, Solids, and Intermolecular Forces). Version # 177 1. Draw Lewis structures for the following compounds. Remember to enclose ions in square brackets. On your answer sheet, state the number of valence electrons in each compound. (a) $CH_3I$ (b) $CaCl_2$ (c) $Mg(NO_3)_2$

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Unemployment and inflation are: O not relevant in the U.S. economy today. major topics in macroeconomics. unique only to capitalistic economies. very important in the study of microeconomics.

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What type of game is the game below? Luke NO MUG MUG NO MEAT 15, 15 30, 5 Larry MEAT 5, 30 25, 25 Game of Chicken Prisoner's Dilemma Dating Game None of the above

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Let $z = xln(x^2 + y^2 - e^4) - 33xy$, $x = te^s$, $y = e^{st}$. If the value of $\frac{dz}{dt}$ when $s = 2$ and $t = 1$ is equal to $Ae^2 + Be^4$, then A+B =

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Solve: (8+u)(2u-7)=0. (If there is more than one solution, separate them with commas.) u

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jeffery s.