area, perimeter

20,300 results, page 46

math

the width of a rectangle is fixed at 27 cm. what lengths will make the perimeter greater than 70cm? the length must be greater than _70_ cm please check if this is correct. thank you!!

5th grade

The square and triangle have the same perimeter 12cm.Each figure is made up of sides of equal measure.How long is each side of the triangle ?

math 5th grade

theo wants to put a dinosaur border around the perimeter of his room. How many rolls of border must he buy if each one covers 10 ft?

geometry

An isosceles triangle has a perimeter of 147 inches.Each of the two equal lenghts is three times as long as the base.find the length of the base

algebra word problems

A window is shaped like a rectangle whose perimeter is 294 in. The length is 6 times as long as the width. Find the length

algebra

The length of a rectangular playground is 4 meters less than 3 times the width. The perimeter is 64 meters. Write 2 equations that would be used to solve the system.

math

a poster reproduces the Mona Lisa in the original size, but adds a 4 1/2 inch border around each side. What is the perimeter of this poster if the length is 30 3/10" and width is 20 7/8"?

Precalculus

A fiel is in the shape of a right triangle. The fence around the perimeter of the field measures 40 m. If the length of the hypotenuse is 17 m, what will be the length of other two sides.

Algebra

George built a rectangular pen for his rabbit such that the length is 1 ft more than four times the width. If the perimeter is 292 ft, what are the dimensions of the pen?

Math

Helping grandson with math. I would like to know how to do it before he does. "How many different rectangles can be made with a perimeter of 20 units? (Remember, a square is also a rectangle.)"

Maths

A rhombus sheet,whose perimeter is 32 m and whose one diagonal is 10 m long , is painted on both the sides of Rs.5 per m^2.Find the cost of the painting

Victoria Park

Algebra: Measurement One of the equal sides of an isosceles triangle is 3 m less than twice its base. The perimeter is 44 m. Find the lengths of the sides.

trigonometry

the base of an isosceles triangle measures 108 feet and forms an angle of 55 degrees with one equal sides. find the perimeter of the triangle

Algebra

The perimeter of a square must be greater than 42 inches but less than 68 inches. Find the range of possible side lengths that sat soft these conditions.

Algebra

The perimeter of a square must be greater than 40 inches but less than 94 inches. Find the range of possible side lengths yay satisfy these conditions.

Math

a rug in the shape of a regular quadrilateral has a side length of 20ft what is the perimeter of the rug? 4ft 5ft•• 40ft 80ft Correct me if I'm wrong!!

ALGEBRA

A rectangular room is 1.2 times as long as it is wide, and its perimeter is 25 meters. Find the dimension of the room rounded to the nearest tenth. The length is: The Width is:

30-60-90 triangle

The hypotenuse of a 30-60-90 triangle is 10. Find the perimeter. How do i do that?

Math

what is the perimeter of a rectangle if L=3x+5 meters W=4x-3 meters?

math

A student constructs a frequency distribution where the frequency of the first class is 8 and a corresponding histogram with the area of the bar in the first class is 80. The frequency for the second class is twice the frequency of the first class. In the histogram, the area ...

Math

Betty has the option of using three types of tables in her coffee shop: square tables with a side length of 42 inches; rectangular tables 26 inches wide and 73 2/3 inches long; and round tables with a diameter of 36 inches. Which of the tables has the largest area? What is the...

calculus

a trapezoid is a quadrilateral with (only) two sides (called bases) that are parallel. an isosceles trapezoid has two equal legs. the area of a trapezoid is A=(1/2)*h*(b1+b2) where b1 and b2 are the two parallel bases and h is the altitude. your problem: a water viaduct has a ...

Math

A farmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle. What is the maximum area that the farmer can enclose with 80ft of fence? 800 sq ft? What should the dimensions of the garden be to give this area? 40ft is given so I ...

Math

Help Homework : MaKE A TABLE:relate primeter and area Amaya has 24 inches of ribbon she can glue around the edge of a rectangular gift box lid. if she wants to use all the ribbon without any overlapping, what are the length and width of a gift box lid with the greatest area?

math

The back of Dante's property is a creek. Dante would like to enclose a rectangular area, using the creek as one side and fencing for the other three sides, to create a pasture. If there is 720 feet of fencing available, what is the maximum possible area of the pasture?

Math

Which interval does the shaded area represent? (The picture shows the first quadrant with the graphs of y=x^2 and y=cosx; the shaded area is a rectangle with the top right corner being the intersection of the functions and the bottom right corner being the origin) The choices ...

Algebra

The back of George's property is a creek. George would like to enclose a rectangular area, using the creek as one side and fencing for the other three sides, to create a pasture. If there is 300 feet of fencing available, what is the maximum possible area of the pasture.

Geometric Transformation, Unit Circle, Maths

Good morning, I have this question: the matrix A = 0 6 4 12 i) show that it is invertable. ii)Find the equation of the image f(c) of the unit circle c in the form. ax^2+bxy+cy^2=d iii)Calculate the area enclosed by f(c). --------------------------------- So far I have found ...

Circumference and Area of Circles

can someone help me with these:Find the radius, diameter and circumference of a circle with an area of 64 cm2. Write your answers as decimals rounded to the nearest hundredth. Find the circumference and area of a circle that has a rectangle inscribed inside it with sides that ...

Biology

One part of the brain if stimulated during adolescence, will form two distint regions. The area of the brain is referred to as: A) the occiptal lobes B) the pituitary glands C) Broca's area D) the parietal Lobe I am unsure of what the answer is, although if I were to take a ...

Math

My answers will be posted 2! 1. Dimensions of the cube is 5x3x1 a. What is the surface area? ( i said 46ft squared ) b. What is the # of cubes? ( I said 15 ) 2. Dimensions are 5x3x2 a. Surface area? ( 62ft squared ) b. # of cubes? ( 30 ) 3. Dimensions are 5x3x5 a. Surface area...

Applied Math

Finding the perimeter.(I checked the other examples on this site but was unable to fine one that I could use that explain the steps . SO can you please help me someone.) If a rectangle length is 6.2 and width is 3.6cm.

Finding and evaluating sources

Now that you have a list of citations and their accompanying bibliographic information, what question is not relevant when evaluating the author of a source? How reputable is the author? Who considers the author an expert? Is this the last book the author has published in this...

help hexagon geometry

A regular hexagon is inscribed in a circle and another regular hexagon is circumscribed about the same circle. What is the ratio of the area of the larger hexagon to the area of the smaller hexagon? Express your answer as a common fraction. How is this done? Would we divide it...

Algebra

Mrs. Sue. Thank you for your words of kindness and not putting me down when I had a question. I have looked through your site and I do ind that you certainly are reputable. I apologize for my rudeness to you yesterday and I confessed to my mom. Whew! I feel better now. I do ...

Probability

You throw a beanbag at a wall with 7 colored squares, each with an area of 1/4^2. If you hit a square, you win a prize. What is the probability of winning a prize? You need more information. For starters: 1) what is the total area of the wall? 2) Are landings on the wall ...

Algebra Quadratic EFuncyoon

David has 200m of fencing to enclose three identicle rectangular pens as shown in the figure. Let x be the length of each pen. a) express the total area of the pens in terms of x My answer: 2x^2-100x (It is correct according to the answer key) b) find the maximum total area of...

math

The area of the wall you are going to paint is 50 feet2. If the width is half the height, what are the dimensions of the wall? In answering this problem follow the steps below: 1. Represent the height as ‘x’ and then write the width in terms of x (for example, 2x, 5.5x, 0....

PreCalculus

A homeowner has forty feet of fencing to enclose three sides of a rectangular patio. The fourth side of the patio is a side of the house, and requires no fencing. 1. Let x represent the side of the rectangle perpendicular to the house (this helps avoid having ½ in the ...

Chemistry

I need to vary the surface area by choosing different size beaker. I will put liquid in there so it would have to be volume??cm^3? But the question is how can I calculate the surface area of the beaker ??? The key thing here is the container... Examples: 27cm^3??? 250 ml ...

Math(Reiny Please Help)

Lacy has $600 set aside to build a rectangular exercise kennel for her dogs. She will buy fencing material for $15/ft. Because the side of an existing barn will be used for one of the sides of the kennel, only three sides need to be fenced. A.) Determine the dimensions of the ...

algebra 2

The volume of the box is represented by (x^2+5x+6)(x+5). Find the polynomial that represents the area of the bottom of the box. can some explain how to get the solution Divide the volume by the height to get the area of the bottom. You don't say what the height is. You need to...

math,correction

Problem 48 A garden area is 30ft long and 20ft wide. A path of uniform width is set around the edge. If the remaining garden area is 400ft ^2, what is the width of the path? My answer: 2 radical (2)i your answer is correct.. you are very good at this stuff. your gonna be an ...

physics

hey guys i'm stuck on this one question and i need some help!! thanks, appreciate it..... one gallon of paint (volume=3.786 X 10^-3 m^3) covers an area of 25.0 m^2. what is the thickness of the paint on the wall?? could anybody please help guide me through this problem ...

Physics

Hey can someone help, im having trouble converting alot. IP The weight of your 1440 kg car is supported equally by its four tires, each inflated to a gauge pressure of 30.0 lb/in^2. What is the area of contact each tire makes with the road? What gauge pressure is required to ...

Physics

A rectangular piece of gold is 3.1 cm long and 3 cm wide. Resistivity of gold is 2.4*10^-8. How deep is the piece when it displays a resistance of R = 1.65 μω for a current that flows along the depth-direction? I used R=(p*l)/A and solved for l. I got the answer ...

Calculus (Area Between Curves)

Find the area of the region IN THE FIRST QUADRANT (upper right quadrant) bounded by the curves y=sin(x)cos(x)^2, y=2xcos(x^2) and y=4-4x. You get: a.)1.8467 b.) 0.16165 c.) 0.36974 d.) 1.7281 e.) 0.37859 Based on my calculations, I would say that the answer is e.) 0.37859. I ...

Advance Math

The path around a square flower bed is 3 feet wide. If the area of the flower bed is equal to the area of the path, find the dimensions of the flower bed.

CALCULUS WXMAXIMA !!PLEASE!

y=log(100493/40000*x-1) y=atan(100493/40000*x+1) y=exp(-100493/40000*x+1) Note you will need 2 integrals to represent the area. Approximate the area of the region bounded by the given curves. I can do it with two but kinda struggling over here please helppp!

Calc

A line tangent to y=(x^2)+1 at x=a, a>0, intersects the x-axis at point P. a) Write an expression for the area of the triangle formed by the tangent line, the x-axis, and the line x=a. b) For what value of 'a' is the area of the triangle a minimum? Justify your answer. Show...

Calculus

The circumference of a sphere was measured to be 74.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area? Also Estimate the relative error in the calculated surface area.

Calculus

The circumference of a sphere was measured to be 74.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area? Also Estimate the relative error in the calculated surface area.

Calculus

The region R is a rectangle with vertices P(a,lna), Q(a,0), S(3,0), and T(3,lna), where 1<a<3. A.) Write an expression that gives the area of the rectangle as a function of a. B.) The area of the rectangle is maximized for some c beween 1 and 3. Write the expression you ...

math

The surface area of the Great Pyramid at Giza was about 1,496,980 square feet when it was built. A model of this pyramid has a surface area of 599 square inches. what is the scale factor from the model to the actual pyramid?

Math please help

Craig is making a model version of his neighborhood that uses model trains. The ratio of the model train to the actual train is 1:64. His neighborhood covers an area o 200,704 squared feet. What will the area of the model neighborhood be?

5th grade math

Kallisto built a rectangular sign that measured 2 3/4 feet in length by 1 1/2 feet in width. To find the area, multiply the length and width. what is the area of the sign in square feet? Write an equation to solve. 2 3/4 1 1/2 +2 3/4 1 1/2 =11/1/2 ------ ----- 4 6/4= 2 2/2=3

Math

A spherical balloon expands uniformly as it is inflated. The radius of the balloon in r meters at time t seconds. Find the radius, the volume, and the surface area of the balloon when the rates of increase of the surface area of the balloon and the radius are numerically equal

Geometry

A diagonal of a square has the same length as a diagonal of a rectangle. The area of the rectangle is 60% of the area of the square. What is the ratio of the shorter side to the longer side of the rectangle? Write your answer as a common fraction (or an integer). How do I even...

geometry-volume

Find the missing measure for each pyramid 1) area of base = 1,470 cm^2 volume= 22,050 cm^3 what is the height?______ I got 15cm^2 2) height = 26 feet volume= 11,466 ft^3 what is the area of the base?_____ I got 441 ft^2 Thank you!

College Algebra

Goemetry Find the area of a triangle whose altitude is 7 ft & whose base is 22 ft. Complete each sentence. Can anyone help me.... Isn't the area of a triangle 1/2 the base times the altitude?

Math

the formula for the surface area of a cylinder is: A=2πrh+2πr^2 If the height of the cylinder is 10 inches, and the surface area is 200 sq. inches, determine the length of the radius

Calculus

Sketch the graph and find the area of the region described below. f(x)= -3xe^((-x)^2) Find the area of the region bounded below by the graph of f(x) and above by the x-axis from x = 0 to x = 3.

math

You can use the formula A = C^2 / 4pi to find the area of a circle given the circumference. Describe another way to find the area of a circle when given the circumference. THX!

Algebra

A paper has an area of 572 square centimeters. What is the paper's area in square inches? Use the following conversion: 1 square inch is 6.5 square centimeters. Please help

Math

A framer at a photo gallery wants to frame a print with a matte of uniform width all around the print. To make it pleasing to the eye, the area of the matte should equal the area of the print. If the print measures 40 cm by 60 cm, how wide should the matte be?

6th grade

My problem is... I had a rectangular garden plot area 60 sq. feet. This year it is one foot wider and 3 feet shorter...but has the same area..60 sq. feet. What were the dimensions of the plot last year. I just want to know how to get started on solving this problem.

Earth Science

How do I ocnvert meters into cubic meters? For example: measuring areas and velocity I come up with this: area 1.55m x 27.47 = 42.74 velocity 21.9/172 seconds = 0.123 area x velocity = 5.22381 How do I convert 5.22381 into cms?

CALCULUS

The circumference of a sphere was measured to be 83000 cm with a possible error of 050000 cm. Use linear approximation to estimate the maximum error in the calculated surface area. ________________ Estimate the relative error in the calculated surface area. _________________

math

Farmer Joe has a square piece of property surrounded by a fence. On 0.5 of the fenced property there is corn growing. On 0.6 of the remaining fenced area there are tomatoes planted. Which expression can be used to determine how much of the fenced area has tomatoes planted on it?

Algebra

We are studying quadratic functions. Suppose you have 80 feet of fence to enclose a rectangular garden. The function A= 40x-x2 gives you the area of the garden in square feet where x is the width in feet. What width gives you the maximum gardening area?

Precalculus help fast

a farmer has available 1032 feet of fencing and wishes to enclose a rectangular area. If x represents the width of the rectangle for what value of x is the area the largest A) 256.5 feet b) 258 feet c) 256 feet d) 257 feet please show work! i need help fast

math

1. A wire of length x is bent into the shape of a square. Express the area A as a function of x only. 2. A circle of radius x is inscribed in a square. Find the area inside the square but outside the circle as a function of x only.

Calculus

The circumference of a sphere was measured to be 88000 cm with a possible error of 050000 cm. Use linear approximation to estimate the maximum error in the calculated surface area. Estimate the relative error in the calculated surface area.

calculus

The circumference of a sphere was measured to be 78.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area. Estimate the relative error in the calculated surface area.

CAL

THe circumference of a sphere was measured to be 74.000 cm with a possible error of 0.50000 cm. Use the linear appoximation to estimate the maximum error in the calculated surface area. and estimate the relative error in the calculated surface area.

math

The circumference of a sphere was measured to be 82.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area. Estimate the relative error in the calculated surface area.

math

The leng of the smaller rectangle is 1 inch less than twice its wide. both the dimensions of the larger rectangle are 2 inches longer than the smaller rectangle. the area of the shaded region is 86 square inches. what is the area of the smaller rectangle?

Math

The circumference of a sphere was measured to be 89.000 cm with a possible error of 0.50000 cm. A. Use linear approximation to estimate the maximum error in the calculated surface area. B. Estimate the relative error in the calculated surface area.

Math

The circumference of a sphere was measured to be 89.000 cm with a possible error of 0.50000 cm. A. Use linear approximation to estimate the maximum error in the calculated surface area. B. Estimate the relative error in the calculated surface area.

Calculus

The circumference of a sphere was measured to be 76.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area.Estimate the relative error in the calculated surface area.

sanket study centre

In triangle ABC p,q,r such that they lie interior of triang ABC and AP=AR and all the three sides of triangle PQR are scalan if area of triangle PQR is 100 then find area of triangle ABC

physics 1

The base of a pyramid covers an area of 13.0 acres (1 acre = 43,560 ft2) and has a height of 481 ft. If the volume of a pyramid is given by the expression V = (1/3)bh, where b is the area of the base and h is the height, find the volume of this pyramid in cubic meters.

6th grade math

Bernice made a kite by putting 2 triangles together The base of each trangle is 9 inches The height of each triangles is 12inches and the height of each triangles is 16 inches What is the area of the kite ? show your work (hint the area of a triangle is 1/2bh)

calculus

Determine the rate at which the surface area is changing with respect to time at t=2 min, assuming that r = 3 at t = 0 Assume that the radius r of a sphere is expanding at a rate of 14 in / min. Its surface area is 4(pi)r^2 Ds/dt= 4pi2rdr/dt i got 4pi2(28)(14) is that right or...

Physics

A wire of cross-sectional area 5.00x10^-6 m^2 has a resistance of 1.75 ohm. what is the resistance of a wire of the same material and length as the first wire, but with a cross-sectional area of 8.75x10^-6 m^2? I really want to understand what to do here, so detailed steps ...

check my work geometry volume

Find the missing measure for each pyramid 1) area of base = 1,470 cm^2 volume= 22,050 cm^3 what is the height?______ I got 15cm^2 2) height = 26 feet volume= 11,466 ft^3 what is the area of the base?_____ I got 441 ft^2 Thank you!

math

Isosceles Triangle ABC is inscribed in a circle with radius 12cm. Aide AB is a diameter. Determine the perimeter of the triangle, correct to one decimal place.

8th grade math

The perimeter of a square with a side length of s is given by the expression 4s, what is the permiter of the square shown? and on one of the sides it says 7.5m How would I answer this?

drawing

suppose you copy a drawing of a polygon with given size factor. How will the side lengths, angle measures, and perimeter of the image compare to those of the original

Algebra

Four circles with centers A,B,C,and D are mutually tangent. The areas of circles A,B,C, and D are 25pi, 100pi, 16pi, and 225pi respectively. How many units are in the perimeter of quadrilateral ABCD?

geometry

a perimeter of 15 cm two or more equal sides and each side a whole number of centimeters. Prove that there are only four of these triangles. You do no need to construct the triangles.

algebra

the perimeter P of a square is four times the length of ones side s, or P=4s. Is (1455) a solution of this equation? If not, find a solution that uses one of the given values

algebra

the length of a rectangle is 25cm twice its width the perimeter of the table must be less than 335 cm.find the maximum dimensions of the table if each dimension is an interger

Algrebra-Systems of Equations

The perimeter of a rectangle is 110cm. The length is 1cm more than twice the width. Write 2 equations that would be used to solve the system.

algebra

method of substitution the perimeter of some traffic sigh must be 126 inches. Also its length is 11 inches longer than its width. Find the dimensions

math

anoter poster reproduces the Mona Lisa in the original size, but adds a 4 1/2 inch border around each side. What is the perimeter of this poster if the length is 30 3/10" and width is 20 7/8"?

math

A right triangle has one leg four times as long as the other. Find a function that models its perimeter P in terms of the length x of the shorter leg.

Math

Two right angled triangles are joined with a common height and the height is 12m and base of each triangle = 5m.Find out the perimeter of whole figure

Algebra

The perimeter of the rectangle below is 74 units. Find the length of side AB . Write your answer without variables. DC (top) 4z-1 CB (right side) 3z+3 AB (bottom) unknown

math

Michael has 18 decorative square tiles to make a design on a kitchen backsplash. He wants to arrange them in a rectangular shape with the least perimeter possible. How many tiles will be in each row?

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