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The sales price for a product provides a gross profit of 21% of sales price. What is the gross profit as a percentage of cost? • 26.58%. Not enough information is provided to determine. 21%. • 17%.

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In the biological hierarchy, desert, grassland, forest are some examples of A) community. B) ecosystem. C) biosphere.

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A proxy server is used to monitor ______. a. incoming and outgoing messages b. power usage c. employee productivity d. attempts to access a network

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Approximately what percentage of the students have an exam score that is: Above 60? [ Choose Below 60 Choose ] Above 70? Choose ] Below70? Choose Above807 Choose ] Below 80? Choose ] Above 90? Choose

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Determine (without solving the problem) an interval in which the solution of the given initial value problem is certain to exist.\\ $t(t-3)y' + y = 0$, $y(2) = 1$

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IV. Synthesis - propose the reagents (9 pts) Propose rational syntheses for the following molecules from the starting material given. You may use any additional reactants/reagents that your synthetic route may require. a) Br OH b) Br CH$_3$ c) Br CH$_3$ O (+ enantiomer)

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Match the vector valued function with its graph where $0 < t \le 2\pi$. Not all equations will be used. Use the mouse to rotate each curve. a. $\vec{r}(t) = \langle 96, 2.75t, 6.75t \rangle$ b. $\vec{r}(t) = \left\langle 8.5 \frac{\sin(2t)}{2}, 8.5 \sin(t)^2, 8.5 \sin(t) \right\rangle$ c. $\vec{r}(t) = \langle 8.5 \sin(2t), 0.5 \cos(2t), 3t \rangle$ d. $\vec{r}(t) = \langle 10(\cos(t) + 1), 10 \sin(t), 10 \sin(\frac{t}{2}) \rangle$ e. $\vec{r}(t) = \langle 0.5 \cos(t), 0.5 \sin(t), 0.25 \cos(2t) \rangle$

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Find the values of x for which the function is continuous. f(x) = \frac{x - 7}{x^2 + 4x - 77} $\circ$ x ? 7 $\circ$ all real numbers $\circ$ x ? ?11 and x ? 7 $\circ$ x ? 11 and x ? ?7 $\circ$ x ? 11

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When must we take the integral of the force with respect to distance in order to find the amount of physical work that is done? a. always b. only when the force changes as the distance changes c. never d. only when the force is constant

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?17% Part (d) A thin-walled hollow sphere of radius 0.64 m and mass 1.3 kg rotates about a vertical axis through its center. The sphere makes one rotation every 0.37 second and rotates counterclockwise as viewed looking down from above. Find the magnitude of the sphere's angular momentum about its rotation axis, in units of kg\cdot m^2/s. L= sin( ) cos( ) tan( ) ? 7 8 9 HOME cotan( ) asin( ) acos( ) E 4 5 6 atan( ) acot( ) sinh( ) 1 2 3 cosh( ) tanh( ) cotanh( ) + 0 . END Degrees Radians ?C BACKSPACE CLEAR Submit Hint Feedback I give up! Hints: 2% deduction per hint. Hints remaining: 3 Feedback: 2% deduction per feedback. ?17% Part (e) Choose the correct direction of the angular momentum vector for the situation described in part (d). ?17% Part (f) Find the rotational kinetic energy, in joules, of the sphere described in part (d). content 2023 Expert TA, LLC Grade Summary Deductions 0% Potential 100% Late Work % 92% Late Potential 92% Submissions Attempts remaining: 5 (4% per attempt) detailed view

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joseph r.