Numerade

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Solve the initial value problem. (cosx)(dy)/(dx)+ysinx=7xcos^(2)x,y((\pi )/(4))=(-57\pi ^(2)\sqrt(2))/(64) The solution is y(x)=

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What does "nature" refer to in the context of human development? Genetic and biological traits Environmental upbringing Social and cultural influences Education systems

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2. $V(\bar{Y}) = \frac{N-n}{N} \times \frac{\sigma^2}{n}$ \newline $V(\bar{y}) = V(\frac{1}{n}\sum_{i=1}^{n} y_i z_i)$ \newline $= \frac{1}{n^2} \left[ \sum_{i=1}^{n} y_i^2 V(z_i) + \sum_{i \neq j} y_i y_j Cov(z_i z_j) \right]$ \newline $= \frac{1}{n^2} \left[ \sum_{i=1}^{n} y_i^2 \frac{\sigma^2}{n} (1 - \frac{n}{N}) + \sum_{i \neq j} y_i y_j (\frac{\sigma^2}{N} \frac{(N-n)}{N(N-1)}) \right]$ \newline $= \frac{1}{n^2} \frac{\sigma^2}{n} (1 - \frac{n}{N}) \left[ \sum_{i=1}^{n} y_i^2 - \sum_{i \neq j} \frac{y_i y_j}{N-1} \right]$ \newline ... \newline $\frac{N \sigma^2}{n}$

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figure Q5(c) shows the light intensity on a screen 2.5 m behind an aperture. the aperture is illuminatef with light of wavelength 600 nm. (i) is the aperture a single slit or a double slit?

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Which of the following represents Bahá'í? a fish with the Greek word for fish contained within the crescent of a new moon with a star an eight-spoked wheel a menorah and a six-point star a nine-point star

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Find the exact answer of the following trigonometric functions without the use of a calculator. Sketch the angle and its reference triangle, then use the reference angle to evaluate the trigonometric function.\ a) $\cos(45^\circ)$\ b) $\sin(\frac{4\pi}{3})$\ c) $\cot(330^\circ)$

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1. DNA is known as the ______ molecule. A storage B transmitting C protein sequencing D gene expression

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Find two nonparallel (and non-zero) vectors \textbf{y} and \textbf{z} which are perpendicular to \textbf{x} = (6, 10, 2) y = \textbf{z} =

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The statistics below are accurate updates to Eagly and Carli's research indicating that women have finally broken through the glass ceiling. If LeasePlan continues its diversity management activities, as described in the case, select the most closely aligned statistic to its potential outcomes. Multiple Choice: A. Women earned the majority of bachelor's and master's degrees in 2018. B. Women held 21.2% of board seats on Fortune 500 boards of directors in 2018, up from 9.6% in 1995. C. Women represented 30% of college presidents (2017) and 131 women served in Congress (2019). D. In 2019, more than 36% of federal court of appeals judges were female.

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1. Fill in the blanks to show two synthetic pathways for the synthesis of butylbenzene from benzene. AICI$_3$ 1. AICI$_3$ 2. H$_2$O H$_2$ Pd/C 2. Of the two pathways above, in which is butylbenzene the minor product? What is the major product of that pathway? 3. Fill in the blanks below to show the transformation of toluene under different reaction conditions. NBS, peroxide $\Delta$ CH$_3$O Br$_2$ hv CN H$_2$ Raney Ni 4. Explain why phenol is more reactive than phenyl ethanoate (shown below). Use resonance structures to justify your answer. OH

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justin s.