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leslie morales

leslie m.

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Question 18 0.5 pts A child's understanding of the permanence of death correlates with which stage of Piaget's theory? Formal operations Concrete operations Preoperational Post-formal

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At the instant shown (Fig. 2), rod OB has a constant angular velocity \omega _(OB)=4ra(d)/(s) and rod AB has an angular velocity \omega _(AB)=2ra(d)/(s). Determine the angular acceleration \alpha _(AB) of AB and the acceleration a_(A) of roller A. ( 28 points) Figure 2

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Score: 427/1350 Question Value: 25 For a 1.3 x $10^{-6}$ M HBr solution, what is the $H^+$ ion concentration? 5.9 M 2.6 x $10^{-6}$ M 6.0 M 1.3 x $10^{-6}$ M

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7. Simplify each trigonometric expression. a) $\sin \theta \cot \theta - \sin \theta \cos \theta$ b) $\cos \theta (1 + \sec \theta) (\cos \theta - 1)$ c) $(\sin x + \cos x) (\sin x - \cos x) + 2 \cos^2 x$ d) $\frac{\csc^2 \theta - 3 \csc \theta + 2}{\csc^2 \theta - 1}$

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You want to buy a car. The loan amount will be $29,000. The company is offering a 5% interest rate for 48 months (4 years). What will your monthly payments be? $

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mass m=3.15 kg is at the end of a horizontal spring on a frictionless horizontal surface. The mass is oscillating with an amplitude A=9.5 cm and a frequency f=1.15 Hz Write an equation for the total mechanical energy, E, of the motion in terms of the variables in the problem statement (that is to say, only use the variables and do not concern yourself with the assigned values). E =

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suppose you wanted to store 27 microC charge in a capacitor across a voltage of 120 V, What capacitance is needed in nenoF

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2. (LO 2; 25%) Diketahui nilai eigen dan vektor eigen matriks A adalah: $\lambda_1 = 1 \rightarrow \vec{v_1} = (2, 1, 3)$ $\lambda_2 = 2 \rightarrow \vec{v_2} = (1, 1, 2)$ $\lambda_3 = 3 \rightarrow \vec{v_3} = (-1, 1, 1)$ Tentukan matriks A tersebut.

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Describe the structure and function of a liver lobule and define the terms portal triad, hepatocyte, sinusoid, and central vein.

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A set of $n = 15$ pairs of scores (X and Y values) has $SS_X = 4$, $SS_Y = 25$, and $SP = $\\ 6. What is the Pearson correlation for these data?\\ $\circ$ .86\\ $\circ$ .60\\ $\circ$ .03\\ $\circ$ .06

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