Tutors Answer Your Questions about Rectangles (FREE)
Question 876608: The following table shows the length and width of two rectangles:
Length Width
Rectangle A x + 8 x - 1
Rectangle B 4x + 5 3x - 2
Which expression is the result of the perimeter of rectangle B minus the perimeter of rectangle A?
10x - 12
18x + 32
10x - 8
18x + 6
Click here to see answer by ewatrrr(24785)  |
Question 877426: You have a rectangular garden with dimensions 7 feet by 12 feet. You want to increase the area of the garden to 176 square feet by increasing each dimension by the same number of feet.
1. Write an equation that can be used to find X, if you want the area to be 176 feet.
2.What is the perimeter of the new garden?
(Having trouble figuring out how to answer this question)Thank You
Click here to see answer by rothauserc(4718)  |
Question 815954: Write a polynomial that describes the area of the shaded figure. Show the steps mathematically and explain each step in words. The shaded figure is the rectangle in grey minus the white rectangle
14y-5(top portion of rectangle/width)
6y length
3y(width of square within rectangle)
3y+5 length
Click here to see answer by amanda.clayton(1) |
Question 878376: Write a polynomial that describes the area of the shaded figure. Show the steps mathematically and explain each step in words. The shaded figure is the rectangle in grey minus the white rectangle
14y-5(top portion of rectangle/width)
6y length
3y(width of square within rectangle)
3y+5 length
Click here to see answer by solver91311(24713)  |
Question 878394: I have the problem
a rectangular piece of paper is three times as long as it is wide. From each of its corners the square of 3 cm is cut out. The flaps at each corner are then turned up to form an open box. The volume of the box is 189 cm³. Find the original dimensions of the piece of the paper.
A) 2cm x 21 cm
B) 4.6 cm x 13.8 cm
C) 9 cm x 27 cm
D) 25.8 cm x 77.4 cm
I'm not sure I am correct so far but this is what u have done
L x w x h = V
(3x)(x)(3) =189 cm³
9x^2 = 89 cm³
I don't know what to do next or if that's right so far. Please help, thanks so much!
Click here to see answer by Alan3354(69443)  |
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