Numerade

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If y^(')=x(1 y) and y>-1, then y= A. y=sinx B. y=3x^(2) C c. y=(1)/(2)e^(x^(2)) C D. y=Ce^((1)/(2)x^(2))-1 E. y=C\sqrt(x 3)

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1. A TLC analysis of a mixture shows two spots with Rf values of 0.2 and 0.8. If the student changes the mobile phase from hexane (very nonpolar) to a more polar solvent like ethyl acetate, what will likely happen to the Rf values of these spots?

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By 1890, in most large northern cities, immigrants and their children amounted to what percent of the population? Question 4 options: a) 33 percent b) 20 percent c) 50 percent d) 60 percent

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The release of energy during the hydrolysis of ATP causes the myosin to go into its ...

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Republican motherhood” was an ideology that held that: a. Thomas Jefferson’s Republican Party represented maternal interests better than its opponents did. b. Women played an indispensable role in the new nation by training future citizens. c. Political equality of the sexes fit a republican society. d. Education was wasted on women, who should worry only about having many children to populate the republic. e. Women should be granted suffrage rights.

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A 3? R5 5? R2 + 8? R1 V1 4V V2 + 12V 1? R4 1? R3 B

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For questions with plotting, including the MATLAB code would be a plus. You do not have to explain for any of the questions, just a plot and MATLAB code is sufficient. xt = cos(600t)cos(100t) Determine its period and plot one period of the signal. Determine the minimum acceptable sampling frequency for x(t). Using a sampling frequency of four times the minimum sampling frequency obtained above and the number of samples necessary to capture exactly one period of the signal, plot the sampled sequence [n]. Plot the DFT of one period of this sequence. Explain the resulting spectrum. How do the frequencies relate to the spectrum of x(t)? Plot the DFT of two entire periods of [n] using the same number of samples used in item 3. Explain how this DFT differs from the one obtained above and why. Repeat item 5 with a sampling rate that is twice as large. Using the same number of samples used in item 3, make x[n] such that it covers 30ms of xt. Plot [n]. How many periods are covered by the sampled signal? Find the DFT of the signal in 7 and explain how it differs from the previous DFTs and why.

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Problem 5 Determine the mass moment of inertia of the symmetric disk/rod assembly shown about an axis perpendicular to the page and passing through point O. The rod has a mass of 10 kg and is 450 mm long, while the disk has a mass of 15 kg with 100 mm radius.

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WORDS ARE CULTURALLY LEARNED - Share at any rate 3 models where a similar word is expressed diversely dependent on the way of life of the speaker. For instance, individuals in the south regularly allude to Coca Cola as "pop" while we frequently allude to it as "pop." Please concoct in any event 3 different models and note the ecological contrasts. (Kindly don't utilize unknown dialects as your models. i.e., feline versus gato) Consider words utilized in various culture, sub-societies, other English talking nations, slang terms, age-related words, and so on Model: Chips - in the US this can be a potato chip, in England this is a word for french fries Chill - more youthful individuals utilize this word to signify "unwind", more seasoned individuals utilize this word as an action word to mean make something cooler Lodging - to guardians this alludes to a child bed, to youthful metropolitan individuals this may allude to somebody's home

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The market demand function is: X(p) = 21−5p. There are 5 identical firms with firm cost function C(y) = y^2 + 1. (a) Solve for the short-term competitive equilibrium price and quantity . (b) What is the profit for each firm?

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amanda m.