The top face of an eraser has the dimensions shown. What is the area of the top face of the eraser?

mc003-1.jpg
Use the formula for the area of a rectangle, A = lw, where A represents the area, l represents the length, and w represents the width.
asked Feb 15, 2016 in Algebra 1 Answers by Mathical Level 10 User (55,380 points)

2. The top of Mrs. Vonvilla’s coffee table has the dimensions shown. She wants to put a bumper around the edges of the table to protect her child in case he falls. What is the perimeter of the tabletop? 

mc011-1.jpg
 
Use the formula for the perimeter of a rectangle,  mc011-2.jpg, where P is the perimeter, l  is the length, and w is the width.

3. Chloe is installing new windows in her house and needs to determine the amount of sealant she will need around the outside edge of each rectangular window. Each of the windows has an area of 2,160 mc021-1.jpg with a length of 60 inches. What is the perimeter of each window? 


To find the width of each window, use the formula mc021-2.jpg, where w represents the width, A represents the area, and l represents the length. To find the perimeter, use the formula mc021-3.jpg, where P represents the perimeter, l represents the length, and wrepresents the width.

During his science experiment, Yuri measured the temperature of a water sample as 24 degrees Celsius. To determine the temperature in degrees Fahrenheit, he used the formula mr022-1.jpg, where F is the temperature in degrees Fahrenheit and C is the temperature in degrees Celsius. Which is a correct step in the process Yuri should take to convert the temperature? Check all that apply. 4. 

goes with  #4: 

5. The top of the lid to a small container is in the shape of a square with a side length of 6 centimeters, as shown. What is the area of the top of the lid?

mc005-1.jpg
Use the formula for the area of a square, mc005-2.jpg, where A represents the area and s represents the side length.

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1 Answer

5Q, 5A

  1. 3
  2. 2
  3. w=A/l=2160/60=36 in; P=2l+2w=120+72=192 in, answer 4
  4. 1 3 4; C=24, 9*24/5=43.2, add 32=75.2°F.
  5. A=s^2=36 sq cm, answer 3
answered Feb 15, 2016 by Rod Top Rated User (424,700 points)

I assume these are the last questions for today. Can you reply to this comment with another comment indicating when you are likely to require help on Tuesday? Not going out Tuesday night but out Wednesday from 7.15pm to 11pm my time.

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