Numerade

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Question 12 (0.6666 points) Retake question A three-dimensional vector $\vec{v}$ has an $x$-component of 1.1 m, a $y$-component of 2.0 m, and magnitude of $|\vec{v}|$ = 7.0 m. What is the length of the $z$-component in meters? Your Answer: Answer units

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Exposing an individual to specific stressful situations a little at a time, under controlled and safe conditions, is known as stress Exposure. Induction. Inoculation. Inducement.

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What do we know about the early evolution of the human lineage? Beginning with the first human fossils, describe some of these fossils, listing the sites where they were found. How did these fossils differ morphologically from modern humans, and what was the paleoenvironment like when these fossils were once alive?

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An action potential is achieved when repolarization is occuring the threshold has been met depolarization occurs during the absolute refractory phase

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Outline the chemical synthesis of the compound below using the indicated starting material.

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Question content area top Part 1 Determine the maximum number of real zeros that the following polynomial function may have. Then use Descartes' Rule of Signs to determine how many positive and how many negative real zeros the polynomial function may have. Do not attempt to find the zeros. f(x) = -5x^5 + 3x^2 - x - 9 Question content area bottom How many positive real zeros may the function f(x) = -5x^5 + 3x^2 - x - 9 have?

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Question 3 (2 points) Listen A sample in the lab is found to contain 0.9 g Magnesium and 2.9 g bromine. What is the empirical formula? Mg$_2$Br$_2$ MgBr$_2$ MgBr Mg$_2$Br

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From the basic principles of thermodynamics, derive the result that q = -w in a cyclical process in a closed system.

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The coordinates of a bird flying in the xy plane are given by $x(t) = \alpha t$ and $y(t) = 3.0 \text{ m} - \beta t^2$, where $\alpha = 2.4 \text{ m/s}$ and $\beta = 1.2 \text{ m/s}^2$.

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Let u(t) = $\langle 3, 2t, 3t^2 \rangle$ and v(t) = $\langle t^2, -2t, 2 \rangle$. Compute the derivative of the following function. u(t) \times v(t) \frac{d}{dt} (u(t) \times v(t)) =

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denise d.