Tutors Answer Your Questions about Rectangles (FREE)
Question 823898: [ a field is in the form of a parallelogram , whose perimeter is 450 m and one of its sides is larger than the other by 75 m find the length of all sides ]
NOTE: it's not clear whether you meant to use meters or centimeters (you gave perimeter in meters and side in cm), but it's one or the other, so I'm assuming its meters.
Click here to see answer by TimothyLamb(4379)  |
Question 824149: 1)The perimeter of a rectangle is 28 cm. find the range of possible values of the width of the rectangle if the diagonal is less than 10 cm.
2)The area of the rectangle is 12 cm squared . Find the range of possible values of the width of the rectangle if the diagonal is more than 5 cm.
Click here to see answer by math-vortex(648)  |
Question 824556: Julia's soybean field is 3m longer than it is wide. To increase production, she plans to increase both the length and width by 2m. If the new field is 46m^2 larger than the old field, then what are the dimension of the old field?
Click here to see answer by TimothyLamb(4379)  |
Question 824746: a rectangular piece of cardboard is 4 inches longer than it is wide. From each of its corners, a square piece 2 inches on a side is cut out. The flaps are then turned up to form an open box, which has a volume of 42 cubic inches. Find the length and width of the original piece of cardboard.
Click here to see answer by stanbon(75887) |
Question 824839: *The height h in feet of a ball t seconds after being tossed upwards is given by the function h(t)=84t-16t^2.
a. After how many seconds will it hit the ground?
b. What is it's maximum height?
*The perimeter of a rectangle is 38m. Find the dimensions of the rectangle that will contain the greatest area.
*The perimeter of a rectangle ranch is 400m. Find the dimensions of the ranch that will contain the greatest area.
*What is the largest rectangular area that can be enclosed with 16m of fence?
*Alex has 20m of barb wire to fence a rectangular lot. What are the dimensions of the lot that will contain the maximum area.
*A gardener has 200m of fencing to enclose two adjacent rectangle plots. What dimensions will produce a maximum enclosed area?
*A cellular phone store can sell 1000 phonekits per month for 5,000 pesos each. Research indicates that the store can sell 50 more kits per month for each 100 pesos decrease in price. What price per kit will give the greatest monthly sales? What is the sales amount?
*Find the number of computer units x that needs to be sold to produce a maximum profit (in pesos) if P(x)=900x-0.1x^2.
Click here to see answer by TimothyLamb(4379)  |
Question 825408: One rectangle has dimensions that are double those of a second rectangle. Let A be the area of the larger rectangle. Which formula would necessarily give you the area of the smaller rectangle, B?
A. b= a/8
B. b= a/4
C. b= 2a
D. b= 4a
Click here to see answer by TimothyLamb(4379)  |
Question 825568: The bottom of a box is to be a rectangle with a perimeter of 42cm. The box must have a height of 10c. what is dimensions of the box give you the maximum volume? What is the maximum volume?
*Please show all your work so that I can see how you got your answer, Thanks!!!
Click here to see answer by josgarithmetic(39617) |
Question 825568: The bottom of a box is to be a rectangle with a perimeter of 42cm. The box must have a height of 10c. what is dimensions of the box give you the maximum volume? What is the maximum volume?
*Please show all your work so that I can see how you got your answer, Thanks!!!
Click here to see answer by htmentor(1343)  |
Question 825661: Please answer this question
The length of a red rectangle is 15 cm more than its width w. A blue rectangle, which is 5cm wider and 2 cm shorter than the red one, has a perimeter of 72 cm. make a sketch of the rectangles expressing all dimensions in terms of w. Than find the dimensions of each rectangle.
Thanks!
Click here to see answer by Seutip(231)  |
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