Tutors Answer Your Questions about Rectangles (FREE)
Question 920183: The length of a rectangle is 15cm longer than two times its width.the perimeter of the rectangle is 252m determine the length and the width of the rectangle using algebraic equations/expressions
I am a parent trying to help my son on his assignment thank you so much
Click here to see answer by jim_thompson5910(35256) |
Question 920432: The formula for the perimeter of a rectangle is P = 2l + 2w. The width of a rectangle is 5 units shorter than its length.
Which expression represents the perimeter of the rectangle?
(Points : 3)
2 + l(l – 5)
2l + 2(l – 5)
2 + l(5 – l)
2l + 2(5 – l)
Click here to see answer by ewatrrr(24785)  |
Question 921264: iii) The length of a rectangle is 3 cm greater than its width. Obtain an expression for the perimeter of the rectangle by assuming the length to be x. Use the expression to calculate the length and the width of a rectangle whose perimeter is 30 cm.
Click here to see answer by ewatrrr(24785)  |
Question 921511: There are 912 yellow chairs and blue chairs altogether in an auditorium. The blue chairs are arranged in 36 rows with 12 chairs in each row. The yellow chairs are arranged in rows of 20. How many rows of yellow chairs are there?
Click here to see answer by josmiceli(19441)  |
Question 921914: the height h(t), in feet, of an airborne tee-shirt t seconds after being launched can be approximated by h(t)= -15t^2+105t+10,0≤t≤10 find the times when the tee-shirt will reach a fan 160 feet above ground level.
Click here to see answer by Alan3354(69443)  |
Question 922326: the diagonal of a rectangle has length of 50. If its legs are in the ratio 3:4, what is its perimeter?
im not sure if i did it right but i used the pythagorean theorem on thi one.
50^2= 3x^2+4x^2
2500=7x^2
x^2=100
x=10
the perimeter is 140. Correct me if Im wrong. I really need your help on this one. thanks in advance
Click here to see answer by josgarithmetic(39617) |
Question 922691: A rectangle has a perimeter of 34 meters. What is its length if its width is 5 meters? I would really appreciate it if u would respond to this email: cobra4335@msn.com
Thank you very much I am working on formulas
Click here to see answer by lwsshak3(11628) |
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