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An inventor claims to have developed a heat pump that produces a 200-kW heating effect for a 293 K heatedzone while only using 75 kW of power and a heat source at 273 K. Justify the validity of this claim. Draw a Lewis structure for one important resonance form of HBrO4 (HOBrO3). Include all lone pair electrons in your structure. Do not include formal charges in your structure. a:b=7.2How many times larger is a than b? Does anyone understand this?PLEASE HELP ASAP Based on its structure, which word most likely means "someone who takes advantage of circumstances"?O credulousO disdainfulO proactiveO opportunistic What is the wave length if the distance from the central bright region to the sixth dark fringe is 1.9 cm . Answer in units of nm. The following data points represent the number of children in each household on Maple Street. \qquad 0, 1, 2, 1, 20,1,2,1,20, comma, 1, comma, 2, comma, 1, comma, 2 Find the mean number of children. When using the cost of production report to analyze the change in direct materials cost per equivalent unit compared to conversion cost per equivalent unit, an investigation may reveal that direct materials costs:_____.a. will never decrease due to the way the cost is calculated. b. will never increase due to the way the cost is calculated. c. may increase or decrease between periods, depending on the fluctuation of the cost of the direct materials.d. will only increase if conversion costs increase as well. para que se aprende como docente Solve the equation for X. 2(2x-4)=3(x+4) A -4 B 4 C 20 D 6 The 2-Mg truck is traveling at 15 m/s when the brakes on all its wheels are applied, causing it to skid for 10 m before coming to rest. The total mass of the boat and trailer is 1 Mg. Determine the constant horizontal force developed in the coupling C, and the friction force developed between the tires of the truck and the road during this time. For much of the 1990s, the U.S. economy was experiencing long-run economic growth, low unemployment, and a stable inflation rate. Which of the following would give rise to these outcomes? A. an increase in aggregate demand and short-run aggregate supply B. a decrease in aggregate demand and short-run aggregate supply C. a decrease in aggregate demand and an increase in short-run aggregate supply D. an increase in aggregate demand and a decrease in short-run ag how many tiger reserve are included under project tiger Did our country lose its ideals of freedom and liberty during the Cold War? Explain A particle is moving with the given data. Find the position of the particle. a(t) = 2t + 5, s(0) = 6, v(0) = 5 According to the histogram below, how many people took the test? 39 9 16 23 If y varies directly as x, and y is 6 when x is 72, what is the value of y when x is 8?NO5496 2(x7)+3(x+5)=x+9 PLEASE HELP Which of the following statements most accurately describe Macbeths state of mind during his soliloquy? (Act 2, Scene 1) 1 - Eager to murder Duncan 2 - Prepared to murder Duncan 3 - Doubtful he will be able to murder Duncan 4 - Unable to murder Duncan Write the following phrase as an expression. "7 more than n" Consider the market for minivans (Some would describe a minivan as a family car). Looking at the two statements, which one is true and which one is false? Then again, are they both true or both false? Statement 1: People decide to have fewer children. The demand curve for minivans will shift to the right. Statement 2: The stock market crashes lowering peoples wealth (Hint: Minivan would be considered a normal good). The demand curve for minivans will shift to the right.