# area, perimeter

20,711 results, page 48-
## Physics

A)Blood flows in an aorta of radius 4.50mm at 27.5cm/s. Calculate the volume flow rate. B)Although the cross-sectional area of a capillary is much smaller than that of the aorta, there are many capillaries, so their total cross-sectional area is much -
## Physics

Blood flows in an aorta of radius 4.62mm at 35.0cm/s. Calculate the volume flow rate. Although the cross-sectional area of a capillary is much smaller than that of the aorta, there are many capillaries, so their total cross-sectional area is much larger. -
## Geometry

4. Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number. The figure is not drawn to scale. The bases are right triangles. top(8.94m) side(41m) bottom left corner(4m) bottom(8m). ~852 m2; -
## Calculus

*Note I reposted this question as I changed the subject** The Region "R" under the graph of y = x^3 from x=0 to x=2 is rotated about the y-axis to form a solid. a. Find the area of R. b. Find the volume of the solid using vertical slices. c. Find the first -
## calculus

The radius of circular disk is 18cm with a maximum error of 0.2cm. Estimate the maximum error in calculated area of the disk. b) The circumference of a sphere was measured to be 64cm with a maximum error of 0.5. Estimate the maximum error in the calculated -
## 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 -
## 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 -
## Calculus

The area a meadow was approximated by measuring the length of the meadow at 30-foot intervals. THe distances measured across the meadow were 76 ft, 118 ft, 130 ft, 143 ft, 139 ft, 136 ft, 137 ft, 139 ft, 130 ft, 122 ft, and 60 ft. Use Simpson's Rule to -
## 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 -
## math

Divers looking for a sunken ship have defined the search area as a triangle with adjacent sides of length 2.75 miles and 1.32 miles. The angle between the sides of the triangle is 35 degrees. To the nearest 100th, find the search area. 2.08mi 2.9mi 1.04mi -
## Calculus

Air is being pumped into a spherical balloon so that its volume increases at a rate of 80 cm^3 per second. How fast is the surface area of the balloon increasing when its radius is 9cm? * ball of radius r has volume V=(4/3)pi r^3 and surface area S=4pir^2 -
## basic calculus

The area of the surface of a sphere of radius r is 4πr^2. If the estimate radius of a spherical balloon is 200 meter and this estimate is too small by 1/2 meter. Find the approximate surface area in sq. m. -
## fluid

Air enters a converging nozzle at 3.5 m/s at 1.2 kg/m3. The inlet area is 5 cm2. If the outlet area is 1.7 cm2 and velocity of 7.5 m/s, determine the volume flow rate and air density at the nozzle outlet. -
## Fluid Mechanics

In a hydraulic system a 20.0-N force is applied to the small piston with cross sectional area 25.0 cm2. What weight can be lifted by the large piston with cross sectional area 50.0 cm2? -
## Algebra 1

The square tile shown has a side length of 10.5 inches. What power can you write to represent the area of the tile? Write the power as an expression with a base and exponent, and then find the area of the square. -
## Math

A rancher has 220 feet of fencing to enclose a rectangular corral. Find the dimensions of the rectangle that maximize the enclosed area, using all 220 feet of fencing. Then find the maximum area. -
## science

A large area of land is cleared to build a new school. how does this affect the area. A)it increases soil erosion B)it decreases soil erosion C)it increases groundwater D)it decreases surface runoff -
## Algebra

Area of a triangle. Find the exact area of a triangle with a base of sqrt 30 meters and a height of sqrt of 6 meters. Thank-you -
## math

the length of a rectangle is 8 cm more than its width. If the length is decreased by 9 and the width is tripled, the area is increased by 50%. What was the area of the original rectangle? -
## geometry

The surface area of a cone is 38 in^2. The radius of a similar cone is triple the radiusof the orginal cone. What is the surface area of the new cone? -
## physics

A wire of length L m has 2 ohms resistance. It is stretched twice its original length and its area becomes half of its original area. What is its new resistance? -
## Algebra

How would the surface area and volume of a prism change if it was a pyramid. How would the surface area and volume change if a cylinder became a cone? -
## Math

There are two circular gardens A and B. The circumference of garden A is 1.760 km and the area of garden B is 25 times the area of garden A. Find the circumference of garden B. -
## algebra

true or false?The surface area of an open rectangular box is the same as the surface area of a closed rectangular box. -
## 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

The area of a circle is given by the formula A = pi*r^2 and the circumference of the circle is given by C = 2*pi*r. Find the ratio of the area to the circumference. What happens to this ratio if the radius is quadrupled? Thank you! -
## 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 - see if correct

If the area is x^2+5x+6m^2 and we know the area is a square which is base times height, we can factor the equation so that it comes out to (x+3)(x+2)since the height is x+3 then we know the base is x+2. (is this correct) -
## Math

A rectangle has a length of 6 inches and an area 18 inches. If the radius of the circle is equal to the width of the rectangle what is the area of the circle? -
## math

The area of a circle is found with the formula A =〖πr〗^2, where π represents 3.14. If a tile artist is placing tiles in a circular mosaic pattern and the area of the circle is 658 square feet, what is the approximate radius of the -
## maths

The given figure shows a rectangle inscribed in an isosceles right triangle whose hypotenuse is10 units long. Express theÃ¢â‚¬â€¹ y-coordinate of P in terms of x.Ã¢â‚¬â€¹ (Hint: Write an equation for the lineÃ¢â‚¬â€¹ AB.) -
## College Algebra

A rancher has 100 meters of fencing to enclose two adjacent rectangular corrals (see figure). The rancher wants the enclosed area to be 374 square meters. What dimensions should the rancher use to obtain this area? (Round your answers to 2 decimal places. -
## Calculus

A retangular poster is to be made out of cardboard. The margins on the top and the bottom will be 2 inches. The margins on the sides will be 1 inch. The area of the poster devoted to the printed material must be 300 square inches. (a) to the nearest .001 -
## astronomy

Arcturus is about half as hot as the Sun but is about 100 times more luminous. What is its radius campared to the sun. If Arcturus is half as hot, it radiates (1/2)^4 = 1/16 as much as the sun PER UNIT AREA. But since it radiates 100 times more totally, it -
## physics

Find the minimum diameter of a 51.5-m-long nylon string that will stretch no more than 1.01 cm when a load of 68.9 kg is suspended from its lower end. Assume that Ynylon = 3.51·10^8 N/m2 physics - bobpursley, Saturday, October 29, 2011 at 10:32am Hookes -
## 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? -
## maths

the length of the diagonals of a rhombus are 24cm and 32cm. the perimeter of the rhombus is (A) 9cm (B) 128cm (C) 80cm (D) 56cm plz do explain how to find. thank you -
## 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 -
## 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? -
## 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"? -
## geometry

Really need help on this one Use formula to find the lateral area and surface prism area of the given prism. height=2m ends=7m and 7.28m front=29m not sure how to explain can give answer choices if that might help; 472m^2;486m^2 443m^2,486m^2 472m^2,479m^2 -
## geometry

1.what is the area of a sector with a central angle of 160 degrees and a diameter of 5.8m? round the answer to the nearest tenth A. 8.1 m^2 B.4.0 m^2 C.47.0 m^2 D.11.7 m^2 2.what is the area of a regular octagon with a side of 8 in round the answer to the -
## business calculus

A rectangular area is to be enclosed and divided into thirds. The family has $700 to spend for the fencing material. The outside fence costs $12 per running foot installed, and the dividers cost $30 per running foot installed. What are the dimensions that -
## algebra

Paving cost is $10.30 per square yard. find the total cost of paving the shaded area in figure 27-21. Round the answers to nearest ten dollars. 170'-0" Radius 92'0 is the degrees 256'-0" is the shaded area The sum total is 14780 please help -
## Python programming

1,000 students took an online course. 1/4th of them were from Africa, 1/4th from Europe , 1/4th from South America, and 1/4th from Asia. At the end of the course, the instructor observed that of the top 100 grades, 30 belonged to students from a single -
## physics

How would you calculate the diameter of an oil molecule.A droplet of oil of given volume (cm cubed)is dropped onto a surface of water and spreads to fill area (cm square).The thickness of water is equal to the diameter of the molecule.Is there a formula to -
## math

The area of a rectangular space is 128 square feet. a. Find all the possible pairs of whole number dimensions in feet. b. Explain which pair allows enough space for a car to park. c. If the length of the space is x feet, how would you describ e the width -
## Finance in Healthcare

Understanding the difference between fixed and variable costs, what area of a health care facility or physician practice do you think would have a greater amount of variable costs than fixed? What would you suggest to lower the fixed costs for the same -
## •teaching in early chldhood programs

When assessing the overall layout of a classroom, what two factors should be so clear that children's movement behavior will be directly influenced? A. The amount of child-accessible storage and the presence of children's art materials B. The location of -
## •teaching in early childhood programs

When assessing the overall layout of a classroom, what two factors should be so clear that children's movement behavior will be directly influenced? A. The amount of child-accessible storage and the presence of children's art materials B. The location of -
## math

Mr Shah has been involved in a sheep farming business for several years and he supplies meats and milk products to the communities. He wishes to build a rectangular sheep pen with two parallel partitions using 200 meters fence. Find the dimensions of the -
## Physics (Stress & Strain)

A uniform bar 1.900 meters in length and having a cross sectional area of 11.000cm^2 is subject to a loading of 5450.000 Newtons. this load causes an extension to the bar length of 2.420mm. Calculate the stress and strain produced. 11cm = .11m 2.420mm = -
## Math - Algebra

If I have a garden that is square with sides of length x feet and next spring I plan to make it rectangular by lengthening one side 3 feet and shortening the other side by 3 feet. Find a polynomial A(x) that represents the new area. By how much will the -
## Calculus AB

y=6-x y=x^2 Find the area of the region by integrating with respect to x. Find the area of the region by integrating with respect to y. ------------------------------------ i got the intersection pts to be(-3,9)and (2,4)....i then took the integral and -
## Math quest3

The formula for the surface area of a sphere is 4(3.14)r^2. What is the surface area of a ball with a diameter of 6 inches round? Round to nearest inch. I got. 113.04 Rounded is 113 inch -
## Word Problems

1. Express the area of a square as a function of its diagonal. 2. The height of a cylinder is half the diameter. Express the total surface area as a function of the height. SA = 2πh + 2πr^2 -
## math algebra

The amount of paint p needed to paint walls of a room varies directly as the area A of the wall of 2gallons of paint are needed to paint a wall with an area of 100sq. meters? -
## GEOMETRY

A 4x7 rectangle can be rotated about the long side to generate a cylinder. It also can be rotated about the short side to generate a cylinder. Find the lateral area and surface area of the 2 cylinders . PLEASE HOW. TELL ME -
## Mathematics

The lengths of two opposing sides of a square are decreased by forty percent. By approximately what percent would the lengths of the other two sides have to be INCREASED so that the area of the new figure ( a rectangle) is the same as the area of the -
## physics

Which of the following 1-gram blobs of water has the least surface area? A) All have about the same surface area.B) A spherical blob.C) A blob stretched into a thin film.D) A pancake shaped blob.E) An ellipsoid-shaped blob. -
## Math

The area of Egypt is about 386,700 square miles. The area of Wyoming is about 97, 818 square miles. How many times larger is Egypt than Wyoming? Do I multiply, divide or add? -
## math/algebra

The surface area of a rectangular prism is SA=2lw+2wh+2lh. The volume of a rectangular prism is V=lwh. Write an expression for the ration of surface area to volume. -
## phys

Water flows steadily from an open tank into a pipe as shown in the figure. The elevation of the top of the tank is 12.3 m, and the elevation at the pipe is 3.80 m. The initial cross-sectional area of the pipe (at point 2) is 5.60×10−2 m^2; and at -
## FINANCIAL

Understanding the difference between fixed and variable costs, what area of a health care facility or physician practice do you think would have a greater amount of variable costs than fixed? What would you suggest to lower the fixed costs for the same -
## 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 -
## algebra

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 -
## 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 -
## Math

The owner of the Rancho Grande has 3028 yd of fencing with which to enclose a rectangular piece of grazing land situated along the straight portion of a river. If fencing is not required along the river, what are the dimensions of the largest area he can -
## Math

The owner of the Rancho Grande has 3028 yd of fencing with which to enclose a rectangular piece of grazing land situated along the straight portion of a river. If fencing is not required along the river, what are the dimensions of the largest area he can -
## calculus

A rectangular area is to be enclosed and divided into thirds. The family has $400 to spend for the fencing material. The outside fence costs $10 per running foot installed, and the dividers cost $20 per running foot installed. What are the dimensions that -
## math

Compute the number of vinyl tiles, measuring 8 in each side, needed to tile a kitchen measuring 24ft by 18ft. Area of kitchen:25X18=432 Area each tilein (feet):.667X.667=.44 432/.44=972 tiles Is my work correct? -
## surface area

Find the surface area of the cylinder in terms of pi. I know the formula is SA=LA+2B, but not sure how to plug in the numbers and get answers. Everytime I try I get wrong answer. The cylinder has I assume radius 8in and height 20in. possible answers -
## Basic Math

Surface area of a square pyramid 11in 13in and 9in 11 height 13 side? 9 base edge I keep getting the wrong answer its not 328.62 or 294.93 Square area of a cone 15 side? 12 height 6 base It's not 365.99 or 417.62 I don't need anything rounded...help -
## 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 -
## MATH

1. Find the area of the figure.(The figure is a trinagle with a dotted line directly down the middle with the measurements of 4 by 9 ft) A~18 FT2? 2. Find the area of the figure. Use 3.14 for and round your answer to one decimal place(The -
## Calculus

You are creating a rectangular garden and want to surround it with brick edging. You also are going to divide it into two halves with the edging so that your vegetables and herbs are on one side and flowers are on the other. You only have 120 ft worth of -
## Calculus

A rectangle is bounded by the x-axis and the semicircle y= ã(25-x^2). What length and width should the rectangle have so that the area is maximum? Place the semi-circle so it's center coincides with the origin. If you go a distance x to the right the -
## 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 -
## 7th grade masth asap hurry plz ms.sue somebody plz

The area of a circle is found with the formula A = pi r^2, where pi represents 3.14. If a tile artist is placing tiles in a circular mosaic pattern and the area of the circle is 658 square feet, what is the approximate radius of the circle in feet? Can you -
## math

The circumference of a sphere was measured to be 86 cm with a possible error of 0.2cm. Use differentials to estimate the maximum error in the calculated surface area. Please round the answer to the nearest tenth. What is the relative error in the -
## math

Peter has a cylindrical block of wood od diameter 6 cm and height 18 cm. He glues the base to a board, but wants to paint the rest of the block. He wants to paint the bottom half of the wood black and the top half white. a) Calculate the surface area of -
## Math

Peter has a cylindrical block of wood od diameter 6 cm and height 18 cm. He glues the base to a board, but wants to paint the rest of the block. He wants to paint the bottom half of the wood black and the top half white. a) Calculate the surface area of -
## maths

In TRIANGLE ABC points P,Q,R arethe points lies inside triangle in such a way that Ap= PR, BQ=QP &QR=RC n area of triangle PQR =100 then find the Area of ABC -
## Geometry

A right prism has bases that are squares. The area of one base is 81 square feet. The lateral area of the prism is 144 square feet. What is the altitude of the prism. -
## Calculus I

Let A be the area of a circle with radius r that is increasing in size with respect to time. If the rate of change of the area is 8 cm/s, find the rate of change of the radius when the radius is 3 cm. -
## Math

In triangle MABC, D bisects side BC, G bisects side AB, and the points E and F trisect side AC. What is the area of the shaded polygon, if the area of MABC is 108? -
## math

The area of a circle is 25π square inches. What is the length of the radius of the circle in inches? (Area of circle = πr^2). I don't understand it please explain it to me -
## math URGENT!!!!

the midpoints of the sides of a triangle are (1,1),(4,3),and (3,5). find the area of the triangle. please answer and show how u did it step by step please!!!! how do i find area of the smaller triangle? -
## MATH

The area of a circle is 25π square inches. What is the length of the radius of the circle in inches? (Area of circle = πr^2). I don't understand it please explain it to me -
## Math

A cylinder has a height of 15 inches and a diameter of 12 inches. Use pi = 3.14 What is the Lateral Surface Area? What is the volume ? 1697 cubic inches how do i do lateral surface area -
## Algebra

The length of a rectangle is (x+2) inches. The width of the rectangle is (x+1) inches. Write an equation that can be used to determine the area (A) of the rectangle in terms of x. What is the value of x if the area of the rectangle is 56 square inches? -
## Alegebra

The smallest regulation golf ball has a surface area of 8.86 square inches. If the diameter of the ball were increased by 10%, what will the surface area of the golf ball be? -
## maths

In TRIANGLE ABC points P,Q,R arethe points lies inside triangle in such a way that Ap= PR, BQ=QP &QR=RC n area of triangle PQR =100 then find the Area of ABC -
## maths

If E the universal set contains all rectangles of length x and breadth y, where x and y are integers and x>y. A contains rectangles with area of 24m2 B contains rectangles , each with length multiples of 3 and area of 24m2. Find n(A), n(B), and n(A ^B) -
## trigonometry

please check my answers. 1.Find the area of the sector of a circle. r=11.8cm, theta-pi/7 radians I got 31.2cmsquared 2.Find the radius of a circle in which a central angle of pi/6radian determines a sector of area 76square meters. I got 17.03m 3.Find the -
## 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 -
## physics ---- really dnt get this at all

A total charge of 25 mC passes through a cross-sectional area of a nichrome wire in 10 s. How many electrons pass through the cross-sectional area in 16 s? Choose one answer. a. 2.5 x 1017 electrons b. 2.5 x 1019 electrons c. 2.5 x 1016 electrons d. 2.5 x -
## Calculus

The hypotenuse of a right triangle has one end at the origin and one end on the curve y=x^(7)e^(-7x) , with x greater than or equal to 0. One of the other two sides is on the x-axis, the other side is parallel to the y-axis. Find the maximum area of such a -
## 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