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Length and width

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algebra
The perimeter of a rectangle equlas the sum of the lengths of its four sides. If the width of a rectangle is 7 inches and its perimeter is 46 inches, find the length of the rectangle

algebra
The perimeter of a rectangle equals the sume of the lengths of its four sides. If the width of a rectangle is 9 inches and its perimeter is 52 inches, find the length of the rectangle.

Word problems using equations
A park is 30 meters by 24 meters. It has a path of uniform width around it. Find the width of the path if its area is one fourth that of the garden.

science
if a barrier island that is 1 km wide and 10 km long loeses 1.5 m of its width per year to erosion by a longsore current, how long will the island take to lose one-fourth of its width?

Algebra
I have to build a dog pen with 104 feet of material. This has to be built in a rectangle shape. A= 52x-x^2 X = width What would the width be with a maximized area? What would the area be?

Math
The area of a rectangular athletic field is represented by the expression48x^4+32x^3-72x square meters. Write an algebraic expression to represent one possible set of dimensions (in the sense “length times width”) of the athletic field. Include correct units with your ...

Applied Calculus
If an open box is made from a tin sheet 7 in. square by cutting out identical squares from each corner and bending up the resulting flaps, determine the dimensions of the largest box that can be made. (Round your answers to two decimal places.) Height: Length: Width:

Math-Algebra 1
I have 2 questions. one is a rectangle that has an area of 34 square meters, the width is (x+4)m and the length is (x+11)m. The other problem is a triangle that has an area of 119 square ft. The legs are (x+3) ft and (x+6) ft. It has a right angle opposite the hippotenuse. ...

geometry
You are wrapping a gift box that is 15 inches long, 12 inches wide, and 4 inches deep. Use a net to find the length and width of a single sheet of paper that could be used to wrap the entire gift box.

Math Geometry
a shipping crate carrying e readers has a length of 19 1/3 feet, a width of 7/23 feet, and a height of 7 5/6 feet. Whaat is the volume of the shipping crate? Show your work. i know V=lwh , but I'm getting the wrong answer! Please help.

math
Janice is making 12 wooden picture frames to give to her friends this year as holiday presents. Each frame has a length of 10 inches and a width of 8 inches. How many total inches of wood will Janice need for all 12 frames?

math correction
A rectangular solid has a base with length 2 cm and width 6cm. If the volume of the solid is 108 cm^3. Find the height of the solid. Possible answers are: A) 8cm B)9cm C) 10cm D) 11cm My answer: V = LWH 108 = (2)(6)H 108= 12H --- --- 12 12 9 = H right

maths
the rectangular garde of 6 metres by 4 metres is surrounded by a path of uniform width. if the area path is 56m squad, what is its width

maths
the rectangular garden of 6 metres by 4 metres is surrounded by a path of uniform width. if the area path is 56m squad, what is its width

math
the perimeter of a paved area being built at a playground it's going to be 46 meters is the land and went are each a whole number of meters what should the length and width of the area be to cover the greatest possible area draw a picture and make an organized list to solve

Math
A rectangular wimming pool is 40 ft wide and 45 ft long. It is surrounded on all four sides by a wooden deck of fixed width. The total area enclosed within the perimeter of the deck is 2354 sq ft. What is the width of the deck?

Algebra
The perimeter of a rectangle equals the sum of its lengths of its 4 sides. If the width of a rectangle is 4 inches and its perimeter is 38 inches, find the length of the rectangle.

Area and Perimeter Word Problems
The area of a basketball court is 4,700 square feet. The length of the court is 94 ft. What is the width of the basketball court?

Math
A shipping crate carrying e-readers has a length of 19 1/3 feet, a width of 7 2/3 feet and a height of 7 5/6 feet. What is the volume of the shipping crate. Please Help.........

math
he dimensions of Liz's desk are 3.2 feet wide and 4.6 feet long. Match the description on the left with the appropriate calculation. Length Width Perimeter Area No match CHOICES: A) 15.6 feet B) 4.6 feet C.) 14.72 sq. feet D). 15.6 sq. feet E). 3.2 feet

math
what would be the change in water speed going from an opening of 10ft height by 25ft width into a tube 5ft height by 18ft width if the water was traveling at 1.2mph?

Algebra
A rectangular swimming pool that is 10 ft wide by 16 ft long is surrounded by a cement sidewalk of uniform width. If the area of the sidewalk is 155 ft2, what is its width? A=lw 2.5ft 5.0ft 6.2ft or 15.5ft

Pre-Calculus
A rectangular window is topped with a semicircle. The height of the rectangular part is 1 more than 3 times its width, w meters. Which function represents the total area, A, of the window in terms of the width?

Alg 2
a rectangular picture frame measures 8 inches by 4 inches. You want to triple the frame's area by adding the same distance, x, to the length and width. Find the value of x and find the new dimensions of the frame. How do you do this?? Please show work

math
A carpenter is building rectangular walls for a room addition. The width of a section of wall is two times the height h. Each section has a brace that connects two opposite corners of the section. What is a simplified expression for the length of a brace?

Math
Thomas puts fence posts from one end of a field to the other, equal distance apart. There are 287 posts. Width of each post is 10 cm. Distance between two posts is 30 meters. Find Length of fence.

math
letitia is making a pizza that needs to cover 36 square inches. give two possible sets of dimensions (length and width) that will give letitia's pizza the desired area. also give the perimeter for each set.

geometry
BC is an altitude with length of 30 of ƒ´ABD. AC has a length of 16 What is the length of CD? If necessary, round your answer to two decimal places.

Math
Rectangle ABCD shares BC with equilateral triangle BCE. The length of CD is 4cm, and the length of DA is 3cm. What is the length of BE?

math
the length of the hypotenuse of a right triangle is 15 ft. the length of one legs is 9 ft. find the length of the other leg. a) 6 ft b) 21 ft c) 12 ft d) 18 ft

math
A wire of length 12 1/2m is cut into 10 pieces of equal length. Find the length of each piece.

Math
A right triangle hypotenuse has length of 5. If one keg has length of 2, what is the length of the other leg?

Math
John currently has a square garden. He wants to redesign his garden and make it into a rectangle with a length that is 3 feet shorter than twice its width. He decides that the perimeter should be 60 feet. Determine the dimensions, in feet, of his new garden. Please show work.

Math
The perimeter of rectangle Z is equal to its area.Rectangle Y has the same perimeter as rectangle Z.The length of rectangle Y is 5 inches and width of rectangle Z.

algebra
Use the five steps for problem solving to answer the following question. Please show all of your work. The volume of a rectangular slab of concrete needs to exceed 72 cu. ft. If the length is 12 feet and the width is 8 feet, how thick does the concrete slab need to be?

MATH Middle School
The area of two rectangles is 360 square centimeters. The length of the second rectangle is 12 cm greater than the first while its width is 5 cm less than the first. Find the difference of the perimeters of the two rectangles if the lengths and widths are positive integers.

Math Ms Sue
Which expression would you use to find the area of a rectangle with a width of 4 inches and a length of 6 inches? 4+6 4x6 8x12 8+12 Ms Sue this is Karen you helped in College English so well I am trying to help my 3rd grade granddaughter with no math book just problems

Algebra
The perimeter of rectangle is 62 m. If the width were doubled and lenght were increased by 9 m, the perimeter would be 104m. What are the lenth and width of a rectangle?

math
The are of a rectangular athletic field is represented by the expression 12y^3+48y^2+24y square meters.write an algebriac expression to represent one possible set of dimensions (in the same sense''length times width'')of the althetic field. include the correct units with the ...

College Algebra
A rancher needs to build four identical pens for his animals as shown in the diagram below. He has 240 feet of fencing. He does not need to put the fence along the barn. Find the length and width that would maximize the area of the pens. What is the maximum area for each pen?

Accelerated Algebra
it takes 80 feet of fencing to enclose your garden. According to your calculations,you will need 350 square feet to plant everything you want. Is your garden big enough? Explain your answer. They gave a rectangle length=40-x and width= x I asked my mom and she also got ...

Math
A rectangular flower garden, 7 m by 6 m, is surrounded by a grass strip of uniform width. If the total area of the garden and the grass strip is 90 m^2, what is the width of the strip? To solve this, I used the formula 90=(6+2x)(7+2x) where is is the width of one ised, but ...

geometry
EF is a median of trapezoid ABCD. If the length of EF is 14x, and the length of CD is 20x, what is the length of AB in terms of x?

geometry
EF is a median of trapezoid ABCD. If the length of EF is 14x, and the length of CD is 20x, what is the length of AB in terms of x?

math
which would you measure using feet? A.length of your finger B.length of your school C.length of your room D.distance across town ???

Math
which would you measure using feet 1.length of your finger 2.length of your school 3.(length of your room) 4.distance across town

Algebra 2
A photograph that is 4" by 6" is to be enlarged so that the width of the new photograph is 10". What is the length of the new photograph?

algebra
When reading some schematics of a rectangular garden you see the binomial x +8 feet represents the length and the binomial x - 1 represents the width. Write an expression that represents the total area of the garden in the form x2 (squared) + bx + c by using the distributive ...

math
The wading pool shown is a trapezoidal prism with a height of a total volume of 286 cubic feet. What is the missing dimension? **The drawing shows the shallow height is 2ft. Length is 13ft. Width is 8ft. And a question mark for the height of the deeper end of pool. THANK YOU!!

geometry
A rectangle measures 6 inches in length by 9 inches in width. If the rectangle will be enlarged by 250%, what will be the lengths of the sides of the new rectangle? What percent bigger is the perimeter of the new rectangle, compared to the original?

algebra
a rectangular solid has a volume of 640 cubic units. the width is 3 units more than the height and the length is 1 unit more than three times the height. find the dimensions of the solid.

math
a rectangular solid has a volume of 640 cubic units. the width is 3 units more than the height and the length is 1 unit more than three times the height. find the dimensions of the solid.

Math
Mrs. Dalton wanted to purchase a new fence to put around the Danish playground . The playground has a length of 25 yards and a width of 30 yards. How much fence does she need to purchase?

Algebra
You are building a rectangular deck. The area of the deck should be 250 ft squared. You want the length of the deck to be 5 ft longer than twice its width. What should the dimensions of the deck be? My work: 250=2x(x+5) Is this correct so far?

math
2. Assume you working on the house pictured below. The length of the house is 50 feet, the width is 30 feet, and from the ground to the gable (the height of the rectangle) is 10 feet. The height of the triangular prism on top is 6.5 feet.

Math
An architect has allocated a rectangular space of 264ft^2 for a square dining room and a 10ft wide kitchen. What is both the width of the square dining room and the length of entire space.

calculus(work)
a rectangular water tank has a length 20 ft, width 10 ft , and depth 15 ft . if the tank is full , how much work does it take to pump all the water out (using calculus)?

Geometry
A rectangular pyramid fits exactly on top of a rectangular prism. Find the volume of the composite space figure if the prism has length 19 cm, width 2 cm, height 11 cm, and the pyramid has height 7 cm.

Algebra
A rectangle was 25 cm longer than it was wide. A new rectangle was formed by decreasing the length by 6 cm and decreasing the width by 5 cm. The area of the new rectangle was 585 cm squared. Find the dimensions of the original rectangle.

Math
The Walters' backyard pool is rectangular in shape and is similar to the rectangle formed by their fenced backyard. The pool measures 10 ft long and 8 ft wide. If the length of the backyard is 35 ft long, what is the width of the backyard?

Algebra 2 URGENT
Solve the problem. Round answer to the nearest hundredth. Please Show All Work! Suppose a pool has dimensions 12 ft. by 30 ft. A sidewalk of uniform width around the pool has an area of 200 square feet. What is the width of the walkway?

calculus
a rectangular room is 20 ft by 12 ft by 8 ft. If the length is decreasing by 4 inches per minute, the width is decreasing by 5 inches per minute and the height remains constant, how fast is the volume changing after 2 minutes?

math
A rectangular solid has a base with length 6 cm and width 5 cm. If the volume of the solid is 300 cm3, find the height of the solid. [Hint: The volume of a rectangular solid is given by V = LWH.]

Calculus :)
A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y=6–x^2. What are the dimensions of such a rectangle with the greatest possible area? Find Width=____ & Height=4 just need to find width.. is not 2

math
the aquarium's height is 11 inches, width is 8 inches, and length is 20 inches, he wants to replace the water. how much water does the aquarium hold?

Math
Assume you are working on a house the length of the house is 50 feet, the width is 30 feet, and from the ground to the gable is 10 feet. The height of the triangle prism on top is 6.5 feet. If you are going to shingle the roof of this house, how many square feet should you ...

Math
The perimeter of a rectangle is 74 centimeters. The width is doubled and the length is halved. The new rectangle has a perimeter of 76 centimeters. Find the dimensions. Okay, so in class we're learning about Systems of Equations. What are the equations for this? How do I ...

geometry
Given a rectangular prism with dimensions w = 3, l= 4, and h = 6. If you created a second rectangular prism with the length doubled but the height halved (and the width stays the same), which would be the relation of the second volume to the first volume?

math
Noah built a fenced dog run that is 8 yards long and 6 yards wide.He placed post at every corner and every yard along the length and width of the run.How many post did he use?

Math
An architect has allocated a rectanglular space of 646ft^2 for a square dining room and a 15ft wide kitchen. Find both the width of the square dining room and the length of the entire rectangular space.

Math
A giant paper football field is made for the floor of the gym. The length of the gym is 90ft. Using this same scale, what is the width of the paper football field? I am completely confused on this problem. Please help me.

Math
solve. A rectangular room with an area of 300 square feet. I need to change the area to 363 square feet by increasing both the length and the width by the same percentage. By what percentage did the increase

Algebra
You are in the process of planning a garden in your back yard. The garden will be rectangular in shape. Determine the best length and width (in feet) for your garden and determine how many feet of fencing you will need to enclose the garden. Use the formula P = 2L + 2W.

Calc answer check
True or false If y =ax+b then DeltaY/DeltaX = dy/dx If Y= x+c then dy = dx If you can measure the length and width of a rectangle correct within .1 cm, then the calculated area will be correct within .1 cm as well. I have True for the first 2 and false for the last one.

math
suppose the diameter of a circle has length d. the length of a chord is c and the length of the arc cut off by the cord is s. express sin(s/d) in terms of c and d

MATH
which would you measure using feet? A.length of your finger B.length of your school C.length of your room D.distance across town ??? I PICKED D!!

Algebra 1
I also have been having some trouble with this problem. How do I set it up? A rectangular garden is designed so that its length is twice its width. The number of feet in the perimeter of the garden is equal to the number of square feet in its area. What are the dimensions of ...

Math
An art class is planning to paint a rectangular mural with an area of 60 square feet. It has to be at least 4 feet high but no more than 6 feet high. The length and width have to be whole numbers. List all possible lengths for the mural.

Math
An open-topped box is constructed from a piece of cardboard with a length 2 cm longer than its width. A 6 cm square is cut from each corner and the flaps turned up from the sides of the box. If the volume of the box is 4050 cm3 , find the dimensions of the original piece of ...

5th grade math
Letitia is making a pizza that needs to cover 36 square inches. give two possible sets of dimensions (length and width) that will give Letitia's pizza the desired area. also give the perimeter for each set.

algebra
The area of a rectangular athletic field is represented by the expression 9y^2 - 25z^2 square meters. Write an algebraic expression to represent one possible set of dimensions (in the sense “length times width”) of the athletic field. Include correct units with your solution

Math
A photo width of 8cm, length of 14cm .if the perameter of photo is increased by 5o % , which dimension is for new perimeter. options are: 16cm by 28cm 12cm by 21cm 4cm by7cm 8cm by28 cm i chose the first option cuz it increased 50.but i ma not sure if i am right.

algebra
Please Helpppp!!! Mother having a hard time with radicals. A playground is shaped like a rectangle with a width 5 times its length (l). What is a simplified expression for the distance between opposite corners of the playground? Please can you post step-by-step so I understand...

Algebra
The volume in cubic feet of a box can be expressed as (x)=x^3-6x^2=8x , or as the product of three linear factors with integer coefficients. The width of the box is x-2.

Factor the polynomial to find linear expressions for the height and the length. Show ...

mathematics
an equilateral triangle has a equal perimeter of a rectangle whose length is 12 meter and whose width is 8.7 meter fined the measurement of the side of the equilateral triangle.

Math
A garden is edged with landscaping tiles that are 9.2 cm wide. The length of the garden is 6.2 m and the width of the garden is 5.6 m. What is the perimeter of the garden inside the landscaping tiles, to the nearest tenth of a meter?

math
Joey's playhouse has a perimeter of 28 feet. What could be the dimensions of the playhouse? Draw a model and label the length and width. Show that the dimensions equal a perimeter of 28 feet.

Math
Raquel is mowing her rectangular lawn. The area of her lawn is 800 sq.ft The width of her yard is twice as long as the length of the yard. How wide is her yard? How long is her yard?

Algebra 2
The formula for the volume of a rectangular prism is V = lwh. A rectangular prism has a length of 2y 3 and width of 5y. The volume of the prism is 20y 10 + 70y 4 . What is the height of the prism? Show your work.

Algebra 2
The formula for the volume of a rectangular prism is V = lwh. A rectangular prism has a length of 2y 3 and width of 5y. The volume of the prism is 20y 10 + 70y 4 . What is the height of the prism? Show your work.

Geometry
The perimeter of a triangle is 45 feet. The ratio of the width to the length is 2:3:4. Find the measure of each side. show work x =       a =       b =       c =  

Algebra
An alligators tail length, T varies directly as its body length, B. An alligator with a body length of 5.4 feet has a tail length of 4.8 feet. what is the tail length of an alligator whose body length is 4.5 feet? In desperate need of solving this!

FACTORING POLYNOMIALS
How would you factor the problem: 7-23r+6r to the second power (only 6r is to the second power) And if a length of a rectangle i 3 more than twice the width and the are is 90 cm squared than what are the dimensions of the rectangle? Oh its not rectangle i its rectangle IS ...

Math Please help me
A rectangular prism has the following dimensions. length: 8 cm width: 13 cm height: 10.5 cm If all the dimensions of the prism are doubled, what will be its new surface area? 1,298 cm2 4,192 cm2 2,596 cm2 4,368 cm2

Algebra
One more rectangular-shaped piece of metal siding needs to be cut to cover the exterior of a pole barn. The area of the piece is 30 ft². The length is 1 less than 3 times the width. How wide should the metal piece be? Round to the nearest hundredth of a foot (1 point) • 3....

Math
The circular rug is placed on a square floor. The rug touches all four walls. How much of the floor space is not covered by the rug? The square floor is 14 feet for length and width.

math
sam has purchased 4 sections of fences that measure 22 1/2 feet long.he needs 2 sections that measure 19 3/4 for the length and 2 sections that measure 15 3/4 feet each for the width how much fence will he have left.

math
Emma's school plans to build a rectangular basketball court with an area of 150+175t square feet. The length of the basketball court is 25 feet.What is the width of the basketball court? Thank you!

baasic geometry
A rectangle has width the same as side of a square whose perimeter is 20m. the length of the rectangle is 9m. Find the perimeter of this rectangle. W=L+20m 2L+2W=9 2L+2(w+20m)=9 2L+2w+20=9 4l+20=9 4L=20+9 4L=29 L=29/4 answered below. This is the third post of this problem.

math
A rectangular garden, with length twice its width, is to be expanded so that each side is increased by 4 yards. a. Write expressions for the dimensions of the expanded garden. b. Write and simplify an expression to represent the area of the expanded garden.

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