Mathematics, 13.02.2022 06:50 bailey814
Jack is putting up new shelves. He is using pieces of wood as shown below. measures 3 1/5 meters long, Jack has 8 pieces of wood that are the same length. A. Write an equation to show how to find the total length, in meters, of the 8 pieces of wood. Jack said that the total length of the 8 pieces of wood is 24 1/5 meters. Is Jack correct? Why or why not? B. Along with the wood, Jack is also using some nails to build the shelves. One box of nails has a mass of 2 3/4 kilograms (kg). Jack used between 1/2 and 3/4 of the nails in the box. How many kilograms of nails did Jack use to build the shelves? Show your work or explain your answer.
Answers: 2
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Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.
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Jack is putting up new shelves. He is using pieces of wood as shown below. measures 3 1/5 meters lon...
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