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1) Draw all product (s) of each reaction below and show stereochemical and regiochemical outcome whenever applicable. Identify the major product of each reaction. Br CH$_3$CH$_2$OH a) DMSO NaSCH$_2$CH$_3$ b) DMSO NaOCH$_2$CH$_3$ c) DMSO d) NaOCH$_3$ DMSO e) OK DMSO

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Error = 0.19 Mass of dev. Trial Cylinder (g) (g) 0.1cm Length of Cylinder (cm) dev (cm) 0.010m Diameter of Cylinder (cm) dev (cm) 1 34.92 0.046 6.65cm 0.044 1.6 cm 0.016 2 34.95 0.024 6.52cm 0.014 1.59cm 0.006 3 34.88 0.006 6.540m 0.034 1.55 cm 0.034 4 34.87 0.004 6.50 cm 0.0000 1.6cm 0.006 5 34.86 0.024 6.42 cm 0.086 1.58 cm 0.004 Average 34.874g 0.0208 6.506am 0.0868 1.584cm 0.00157 Measurement Results (to be used in calculations): Mass of Cylinder, M = [(34.874) ± (0.1)] g Length of Cylinder, L = [(6.506) ± (0.1)] cm Diameter of Cylinder, d = [(1.584) ± (0.02)] cm Rough Calculations of Density with Error: D = M = HM π(d/2)²L πd²L D = 34.874 = 4(34.874) π(1.584)²(6.500) π(1.584)²(6.506) D = 139.496 51.283 D = 2.720g/cm³ ΔD = (ΔM + ΔL + 2 Δd) D M L d = 0.0208 + 0.03468 + 2 (0.0452) 34.874 6.506 1.584 = 0.02544g/cm³ = 0.0158 Density of Cylinder, D = 2.720g/cm³ ± 0.03g/cm³

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If an individual gets the feeling that a friend is showing signs of being suicidal, they should: Question 46Select one: a. have a few laughs with them and try to cheer them up. b. ignore them, because asking them about it could make them more inclined to commit a suicide. c. take it seriously and seek help immediately by calling 911 or contacting a mental health professional. d. suggest several books about suicide and its effects for them to read.

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In this module you learned about two cancers that are highly amenable to secondary prevention. Of these two, which one is diagnosed by the presence of polyps? Breast cancer Cancer of the stomach Cancer of the colon Cancer of the esophagus

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Speed Measurement Example 3: A vessel is fitted with a Doppler navigator which operates at frequency of $ 300 \mathrm{kHz} $. If transmits a par of beams Fore and att and a second pair port and STBO. Each bearn is inclined at $ 60^{\circ} $ to horizontal. When steering $ 50^{\circ} $ true, the trequencies received by the Fore 8 ath transducers are $ 301.9 \mathrm{kHz} \& 298.3 \mathrm{kHz} $ respectively whilst those received trom the port of STBD transoucers where $ 299.9 \mathrm{kHz} $ \& $ 300.3 \mathrm{kHz} $ respectively. Find the course \& speed over the ground assuming bottom lock operation. Answer: The received frequency from STBD is more than port theretore the ship is attering to STBD. \[ \begin{array}{l} \theta=60^{\circ} \rightarrow \cos \theta=0.5 \\ \Delta \mathrm{f}=\frac{4 V \mathrm{f} \cos \theta}{c} \rightarrow \mathrm{V}=\frac{\mathrm{car}}{4 \mathrm{f} \cos \theta} \\ \mathrm{f}=300 \mathrm{kHz} \end{array} \] fiod $ =301.9 \mathrm{kHz} \& \mathrm{f}_{\mathrm{n}}=298.3 \mathrm{kHz} \rightarrow \Delta f=3.6 \mathrm{kHz} \rightarrow $ \[ \mathrm{V}=\frac{\mathrm{CN}}{4 \mathrm{cos} \theta}=9 \mathrm{~m} / \mathrm{s} \] (tongtudinal speed) $ f_{\text {por }}=299.9 \mathrm{kHz} \& f_{\text {srow }}=300.3 \mathrm{kHz} \rightarrow \Delta f=0.4 \mathrm{kHz} \rightarrow $ \[ V=\frac{c a t}{4(\cos \theta}=1 \mathrm{~m} / \mathrm{s} \text { (fransverse speed) } \] S.O.G $ =\sqrt{1^{2}+9^{2}}=\sqrt{82} \mathrm{~m} / \mathrm{s}=9.06 \mathrm{~m} / \mathrm{s}=9.06 \times \frac{3600}{1552}=17.06 \mathrm{Knots} $ $ \tan a * \frac{1}{4} \rightarrow a=\tan ^{-1} \frac{1}{3}=6.3^{\circ} $ $ C . O . G=50+6.3=56.3^{\circ} $ Example 4: A singe axis Jariss speed and datarce by aperites at 250 wez and ransits bears at an angle of $ 30^{\prime} $ to vertical. The indcated apeed a 15 knots when the wessal has ievel trim. Determine the indcated speed I the wessel develogs a bow high tim of $ 10^{2} $ : Antwen: $ \theta+30^{\circ} $ te vertical $ * 60^{\circ} $ to horizontal $ { }^{*} \rightarrow \cos \theta=0.5 $ Pist 3 May 4, 2024 1:17:33 PM

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Let $f(x) = \frac{x^2}{x^2 + 5}$. Write $f$ as a composition $g \circ h$ of two functions $g$ and $h$. Label the appropriate functions as $g$ and $h$. y = \frac{x - 5}{x} y = 1 - x y = x^2 + 5 y = x^2 y = \frac{5}{x^2} y = \frac{x^2 + 5}{5} y = x^2 y = \frac{x}{x - 5}

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Create a file test.txt with permissions rw-r-xr--. Specify the chmod command required to change its permission from rw-r-xr-- to rwxrwxrwx using the relative method. Restore to rw-r-xr-- using the relative method. From rw-r-xr-- to r--r----- using the relative method. Restore to rw-r-xr-- using the relative method. From rw-r-xr-- to ---r--r-- using the absolute method. Restore to rw-r-xr-- using the absolute method. From rw-r-xr-- to --------- using the absolute method. Restore to rw-r-xr-- using the absolute method.

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Sure, I can help with that. The value of a company can be calculated using the Weighted Average Cost of Capital (WACC). WACC takes into account the cost of both debt and equity financing, weighted by their respective proportions in the company's capital structure. To calculate WACC, you would typically use the following formula: WACC = (E/V * Re) + (D/V * Rd * (1 - Tc)) Where: E = Market value of the company's equity V = Total market value of the company's financing (equity + debt) Re = Cost of equity D = Market value of the company's debt Rd = Cost of debt Tc = Corporate tax rate Once you have calculated the WACC, you can use it to discount the company's future cash flows to determine its present value. This can give you an estimate of the company's overall value. For example, let's say a company has a market value of equity of $100 million, a market value of debt of $50 million, a cost of equity of 10%, a cost of debt of 5%, and a corporate tax rate of 25%. Using the WACC formula, you can calculate the WACC and use it to determine the company's value.

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Age Thickness 85 1.8 75 2.0 60 2.9 64 2.8 62 2.8 70 2.2 65 2.7 80 1.9 72 2.0

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"We should raise taxes on the wealthy". A. vagueness C. semantic ambiguity B. syntactic ambiguity D. no vagueness or ambiguity 9. Is there vagueness or ambiguity in the following?

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natalia q.