Master High School Concepts with Expert Q&A and Solutions

20 points + Brainliest. Please help!A piston consists of a closed cylinder with a moveable top. When a chemical reaction heats the gas inside the piston, the gas expands and lifts the top. For the thermodynamic system of the piston, are the values of heat Q and work W positive, zero, or negative?A. Both Q and W are positiveB. Q is positive, W is negativeC. Both Q and W are negativeD. Q is positive, W is zero
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A 100 N force directed at 60 above the horizontal pulls a box 2 m horizontally across a floor. How much work was done?A. 50 JB. 20 JC. 100 JD. 200 J
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Question 3 of 10What is the measure of _XYZ shown in the diagram below?Possible answers 69, 67 ,68,66
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Before a raise, Gwen earned $210.00 each week at her job. She received a 2.5% raise. Which expression represents Gwens new earnings?
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Solve the equation for x:2x - 3) = 5
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what properties of aluminum make it particularly useful in drinking cars
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The 3 basic things needs of all living things
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Write this multiplacation statement as repeated addition 5/6 x 3
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50 points! d) In general, how is a whole chromosome probe used to study a person's genome?
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Chlorine is located in Group 17, Period 3. Which ischlorine most likely to be?O A. A soft, shiny, highly reactive metalB. A metalloid with properties of both metals and nonmetalsO C. A soft, shiny, highly reactive nonmetalD. A gaseous, highly reactive nonmetal
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PLEASE HELP this is French 2 btw Imagine that your family decides to have a foreign exchange student live with you for the school year. You want to show your visitor around New York City. In a paragraph, write about the places you would show her and why. Be sure you use at least 5-6 complete French sentences in your response. Thanks :)
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Can someone help plz????? (01.01 LC)Which number line best shows how to solve 2 (4)? (5 points)Select one:
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Below is the number of service calls a store received over a period of 87 days.To graph the information into a frequency table, which interval below would be the most appropriate? A. 1 B. 2 C. 4 D. 10
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What type of organisms are all members of the subphylum Urochordata?
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9x+y=10 10xy=9 What is the resulting equation?
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A painter charges $15.33 per hour, plus an additional amount for the supplies. If he made $188.18 on a job where he worked 7 hours, how much did the supplies cost?
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were most english colonists loyal to britain? yes or no?
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The variables x and y are proportional. Use the values to find the constant of proportionality. Then write an equation that relates x and y.When y=72 and x=3.K = ?y = ?
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Fill in the blank in the following sentence withthe appropriate form of the verb aller below.Je la piscine tous les lundis.O A. allonsO B. vaC. vasD. vais
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Given mB = 62, mC = 54 and line AD bisects BAC, find mADB
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HEY WEEBS CMERE WE NEED TO HAVE A GATHERING WHOOOOOOOOOOOOO
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What's 1/8+1/4.Make sure your answer fully reduced
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Solve the equation for x:| 4x - 3] = 7
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cuales son los mitosmas antiguos de colombia
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