# find the derivative of y=(3x+1)^2 y= square root 13x^2-5x+8

97,722 questions, page 101-
## math

If cotalpha = root 3, calculate (sin alpha)*(cot alpha) - cos^2alpha exactly. can you plzzz help urgent because I have a major test tommorow thnx for all your help

*asked by Gagan on April 29, 2009* -
## geometry

All Clemson fans root for the Tigers. Rewrite the above statement to reflect the following conditions and state whether each condition is true or false. If false provide a counterexample:

*asked by mirry on September 27, 2018* -
## Algebra

17-Identify the vertex, axis of symmetry and x-intercept(s) of F(x)=(x+5)^2-6. I have no idea how the x intercepts are -5 +/- sq. root 6 and 0. can you show me how this came to be? I factored it so it would be x^2+10x+19, but there's no common factors in

*asked by Erin on November 7, 2009* -
## Calculus

Starting with an initial guess of x=2, use Newton’s method to approximate (Third root of 7). Stop the iterations when your approximations converge to four decimal places of accuracy. Compare with the approximation provided by your calculator I'm so stuck

*asked by Tia on March 13, 2016* -
## PreCalc (Just Can't Comprehend)

Find the dimensions of the rectangle with minimum perimeter if its area is 400 square meters. Find the least perimeter. I know that a rectangle has two sides that are equal and two other sides that are equal but I am unsure about what type of equation to

*asked by MUFFY on November 1, 2009* -
## Algebra

Click on "Explain" if you need help. A dart hits the square dartboard shown below at a random point. Find the probability that the dart lands in the shaded circular region. Each side of the dartboard is 15in , and the radius of the shaded region is 5in .

*asked by Anonymous on August 10, 2017* -
## Algebra

Click on "Explain" if you need help. A dart hits the circular dartboard shown below at a random point. Find the probability that the dart lands in the shaded square region. The radius of the dartboard is 5in, and each side of the shaded region is 3in. Use

*asked by Cameron on August 9, 2017* -
## Algebra

Mr. Brown has 24 meters of fencing. He wants to build a rectangular pen for his rabbits. Draw two different rectangles that Mr. Brown could build. Use only whole numbers for the lengths of the sides of each rectangle. Label the length of each side. Find

*asked by Dessie on May 4, 2016* -
## math

The rectangular base of a box has a perimeter of 60cm. The base is twice as long as it is wide. Saskia plans to cover the top and bottom with coloured paper;which cost 5 cents per square centimetre. She lans to cover the other 4 faces with white paper;

*asked by Anonymous on February 14, 2012* -
## 7 grade math

The rectangular base of a box has a perimeter of 60cm. The base is twice as long as it is wide. Saskia plans to cover the top and bottom with coloured paper;which cost 5 cents per square centimetre. She lans to cover the other 4 faces with white paper;

*asked by Amy on February 14, 2012* -
## Grade 7 math

The rectangular base of a box has a perimeter of 60cm. The base is twice as long as it is wide. Saskia plans to cover the top and bottom with coloured paper;which cost 5 cents per square centimetre. She lans to cover the other 4 faces with white paper;

*asked by Anonymous on February 14, 2012* -
## math .please help its worth alot of my grade :s

*asked by amy on February 16, 2012* -
## MATH

1. Subtract 0.36 from 6. A~ 5.64? 2. Write the following as a common fraction or mixed number. Write your answer in lowest terms. 6.38 A~6 19/50? 3. Find the area of the shaded part in the figure. Use 3.14 for and round your answer to one decimal

*asked by A~ on September 20, 2009* -
## algebra

computer manufacturing company would like to come up with a new laptop computer such that its monitor is 80 a square inches smaller than the present ones. Suppose the length of the monitor of the larger computer is 5 inches longer than its width and the

*asked by zhandra on June 16, 2014* -
## Math

Farmer has a field 1 square mile wide and 1 square mile wide. He divides it into fields 1/3 mile wide and 1/3 mile long how many fields will he have

*asked by Nicole on September 18, 2016* -
## Algebra

If anyone could please just look these over: The given measures are the perimeters of squares. Find (a) the length of a side and (b) the area of the square. Perimeters: 1.) 20 cm 2.) 100mm 3.) 4ft 4.) 2in 5.) 2.8m My answers: 1.) a- 5cm b- 25cm squared 2.)

*asked by Jamie on September 15, 2007* -
## Physics

Four 1,000,000- kg masses are arranged in a square, 150 meters on a side. To the nearest ten thousandth of a Newton, what is the magnitude of the force the mass in the lower left hand corner? Can someone please explain this to me in a detailed manner? I

*asked by Skyler on August 13, 2010* -
## Punnet squares:-(

A homozygous curly haired pig is crossed with a homozygous straight haired guinea pig. All the offspring are straight-haired(H-dominant straight, h-recessive curly) a) make a punnet square for the f-1 generation I'm a beginner on this stuff, so Im not sure

*asked by Sara on June 8, 2010* -
## Math

Jaden wants to cover the floor with square tiles the same size. The floo measures 315 inches by 108 inches. If she uses only whole tiles, find A) the greatest possible length of each tile B) the number of tiles needed to cover the floor.

*asked by Ana on December 26, 2012* -
## lively

Suppose that the width of a certain rectangle is three-fourths of its length, and the area of that same rectangle is 108 square meters. Find the length and the width of the rectangle If you put the correct subject in the subject line, you're likely to get

*asked by jonathan on November 26, 2006* -
## Algebra

A rectangular swimming pool is twice as long as it is wide. A small concrete walkway surrounds the pool. The walkway is a constant 2 feet wide and has an area of 196 square feet. Find the dimensions of the pool.

*asked by Carlos on February 8, 2015* -
## Calculus

A piece of wire 40 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. How should the wire be cut so that the total area enclosed is a maximum= minimum= Find the length of the wire used

*asked by Brian on May 7, 2013* -
## math

Suppose the area of a rectangle is 36 square inches. Find the Minimum perimeter for a rectangle with this area. Please help asap. Thank you! (so much) We know that A=l*w=36 and P=2(l+w) From the area formula we see that l=36/w Putting this into the

*asked by l on August 31, 2006* -
## Static Electricity. 11th Grade Pre-AP Physics

Hi everyone! I need some help studying for a test on Static Electricity. I have a few review questions that I don't know how to do. Below they are numbered and in parenthesis I answered what I think you might have to do to get the answer. Please help me in

*asked by Angela on February 25, 2011* -
## math, a.p. calc

Let g be a function that is defined for all x, x ≠ 2, such that g(3)=4 and the derivative of g is g′(x)= x^2–16/x−2, with x≠2. Write an equation for the tangent line to the graph of g at the point where x = 3. Does this tangent line lie above or

*asked by Darrius on November 9, 2015* -
## algebra1 HELP PLEASE

Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 50 square feet. Use the formula for the surface area of a sphere: s=4(pi)^2 to find the radius of the pinata. Round your answer to the nearest hundredth. _____ feet

*asked by lisa on July 3, 2013* -
## algebra1 HELP PLEASE

Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 50 square feet. Use the formula for the surface area of a sphere: to find the radius of the pinata. Round your answer to the nearest hundredth. _____ feet

*asked by lisa on July 3, 2013* -
## algebra

Samantha's homework is to determine the dimensions of her rectangular backyard. She knows that the length is 10 feet more than the width, and the total area is 144 square feet. Write an equation that Samantha could use to solve this problem. Then find the

*asked by Anonymous on February 10, 2011* -
## calculus

Two positive numbers have a sum of 60. what is the maximum product of one number times the square of the second number? a) 3481 b) 3600 c) 27,000 d) 32,000 e) 36,000 So Idk if this is right, but I have .... x+y=60 p=xy^2 p=x(60-x)^2 P'=-2x(60-x)+(60-x^2)

*asked by Jenny on December 14, 2010* -
## Calc

A cardboard box manufacturer makes open boxes from rectangular pieces of cardboard of size 30cm by 40cm by cutting squares from the four corners and turning up the sides. A) find a mathematical model expressing the volume of the box as a function of the

*asked by steph on September 25, 2013* -
## algebra

A rectangular swimming pool is twice as long as it is wide. A small walkway surrounds the pool. The walkway is a constant 2 feet wide and has an area of 196 square feet. Find the dimensions of the pool.: *

*asked by Dede on August 8, 2008* -
## Math

Same as before, except I forgot to write how would you have verify it and explain how to solve it. the length of a rectangle is (x-3) inches long, and the width 3 2/5 inches. If the area is 15 3/10 square inches, write and solve an equation to find the

*asked by Johnathen on March 8, 2016* -
## MATH

THE AMOUNT OF CLOTH USED TO MAKE FOUR CURTAINS IS GIVEN BY THE FUNCTION A=-4X^2 + 40X WHERE X IS THE WIDTH OF ONE CURTAIN IN FEET AND a IS THE TOTAL AREA IN SQUARE FEET. FIND THE WIDTH THAT MAXIMIZES THE AREA OF THE CURTAINS. WHAT IS THE MAXIMUM AREA?

*asked by Anonymous on October 7, 2014* -
## Math

4. Solve the equation using all three methods below. Factoring, completing the square, quadratic formula. x^2 + 3x - 4 = 0 and 4x^2 = 9 it seems like x^2 + 3x - 4 = 0 equals x = 1, -4 from all three methods but Im not sure 4x^2 = 9 equals x = 3/2, -(3/2)

*asked by anonymous on September 2, 2018* -
## Math

Mary bought 2 vangaurd sheets each measuring 70 cm by 90 cm. She cut out square cards of identical size from the vangaurd sheets such that there was no wastage. a) What is the largest possible length she cut out? b)What is the total number of square cards

*asked by Jeff Dubinksky on January 23, 2019* -
## math

Explain why it is possible to draw more than two different rectangles with an area of 36 square units, but it is not possible to draw more than two different rectangles with an area of 15 square units. The sides of the rectangles are whole numbers. EXPLAIN

*asked by Kyle on February 7, 2015* -
## Please Help!! Math

Wind resistance varies jointly as an object's surface area and velocity. If an mile per hour with a surface area of 25 square feet experiences a wind resistance of 225 Newtons, how fast must a car with 40 square feet of the surface area travel in order to

*asked by Jnr John on June 5, 2013* -
## MAth

Ida plans to construct a square showing exact measurements of the sides. Which combination of tools would best help Ida construct the square? Answer A: pencil, compass, and straightedge B: pencil, string, and compass C: pencil, ruler, and straightedge D:

*asked by Taylor on September 25, 2011* -
## geometry

The area of an ellipse in the form (x*x/a*a)+(y*y)/(b*b)=1 is A=3.14*ab. For this ellipse, a+b=20. a. write the area of the ellipse as a function of a. b. Find the equation of the ellipse with an area of 264 square centimeters. c. Complete the table and

*asked by Priscilla on April 10, 2009* -
## Pre calc

Write the equation in standard ellipse form and graph. 34 x^2 -24xy +41y^2 +41 y^2 -25= 0. i got x= (4 x prime- 3 y prime)/5 and y=(3x prime +4y prime)/5 but cant get the correct math when I plug that into the original equation. Also I need help finding

*asked by Rebekah on May 5, 2013* -
## algebra1please look over THANK YOU

Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 50 square feet. Use the formula for the surface area of a sphere: s=4(pi)^2 to find the radius of the pinata. Round your answer to the nearest hundredth. _____ feet i got

*asked by lisa on July 3, 2013* -
## Math

help me solve this conic: 12x^2+y^2+6x-9=0 not sure what you mean by "solve this conic" You want to know what kind of conic? ellipse to find out its properties you have to change it into standard form (x-h)^2/a^2 + (y-k)^2/b^2 = 1 I would first divide by

*asked by Blake on April 2, 2007* -
## Math

I want to fence in a square vegetable patch. The fencing for the east and west sides costs $5 per foot, and the fencing for the north and south sides costs only $4 per foot. Find the total cost of the fencing as a function of the length of a side x (feet).

*asked by Jeoffry on September 1, 2016* -
## Calculus - Optimization

A fence is to be built to enclose a rectangular area of 800 square feet. The fence along 3 sides is to be made of material $4 per foot. The material for the fourth side costs $12 per foot. Find the dimensions of the rectangle that will allow for the most

*asked by Jess on November 17, 2013* -
## Pre-Calculus

An Alfa Romeo going at 70 mph requires 169 feet to stop. Assuming that the stopping distance is proportional to the square of velocity, find the stopping distances required by an Alfa Romeo going at 35 mph and at 140 mph (its top speed).

*asked by Becky on February 3, 2013* -
## Calculus

A Baseball Diamond has the shape of a square with sides 90 feet long. a player is running from 1st to 2nd base at a speed of 25 feet per second. find the rate at which his distance s is from home plate is changing when the player is 20 feet from 2nd base.

*asked by John on May 20, 2012* -
## calc help showed work

If the function f has a continuous derivative on [0,c], the the integral(o to c) of f'(x)dx= a)f(c)-f(0) b)absolute value (f(c)- f(0)) c) f(c) d)f'(x)=c e)f"(c)-f"(0) My work: so the the answer to the integral is f(x) and when find the answer from o t0 c,

*asked by david on December 7, 2006* -
## 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

*asked by vero on March 14, 2007* -
## Math

The side of a square is 10 meters longer than the side of an equilateral triangle. The perimeter of the sqaure is 3 times the perimeter of the triangle. Find the length of each side of the triangle.

*asked by Pat on October 28, 2010* -
## GEOMETRY(SURFACE AREA)

Find the surface area and the lateral area of a regular square pyramid with base edge 6 and a lateral edge √34. PLEASE PLEASE HUHU Teach me how and what is lateral edge

*asked by Laarni on July 14, 2013* -
## Math

The side of 2 square fields are in the ratio of 3:5.the area of the larger field is 576m^2 greater than the area of the smaller field .Find the area of this smaller field?

*asked by Samama on April 22, 2018* -
## Pre-Calculus

A window has the shape of a square surmounted by an isosceles triangle. The sides of the square are length x. The The perimeter of the window is 90 inches. Thus, the perimeter of the triangle is x+2y. So, 90 inches = 3x+2y. (a) Write an equation for the

*asked by SpencerCH on January 23, 2011* -
## Math- Math Analysis

In a rectangular piece of cardboard with a perimeter of 20ft, three parallel and equally spaces creases are made (so the piece is divided into four equal sections.) The cardboard is then folded to make a rectangular box with open square ends. a. Write a

*asked by Ashley on October 14, 2007* -
## Algebra 2

A retail lumberyard plans to store lumber in a rectangular region adjoining the sales office. The region will be fenced on three sides and the fourth side will be bounded by the wall of the office. Find the dimensions of the region if 350 feet of fencing

*asked by Carolyn on May 22, 2012* -
## geometry

Many younger children like to play a game similar to baseball called tee-ball. To accommodate the younger children, the bases are only 40 feet apart in a square-shaped field. Find the distance between home plate and second base in tee-ball. If necessary,

*asked by whitney on January 3, 2011* -
## Algebra

The height of a triangle is 4 centimeters less than twice the length of its base. If the total area of the triangle is 48 square centimeters, then find the lengths of the base and height.

*asked by liliy on May 28, 2016* -
## math geometry

The area of a rectangular wall of a barn is 80 square feet. The length is 12 feet longer than twice its width. Find the length and width of the barn.

*asked by jeffrey on September 15, 2016* -
## Algebra

The length of a rectangular flag is four yards longer than the width. The area f the flag is 140 square yards. Find the length and the width.

*asked by Danielle on April 7, 2013* -
## Algebra

A triangle has a height that is 4 inches less than its base. If the triangle has an area of 86 square inches, set up and resolve an equation to find its base and height.

*asked by Kevin on March 28, 2017* -
## Math

The area of a right triangle is 12 square inches, and the sum of the lengths of the two legs, a and b, is 16 inches. Write a system that could be used to find the lengths of the legs of the right triangle.

*asked by Sylvester on December 2, 2016* -
## algebra

A soccer field has an area of 312 square yards. Its length is 2 yards longer than twice its width. Find the width of the soccer field.

*asked by tiffany on June 5, 2015* -
## College Algebra

A sailboat has a triangular sail with an area of 20 square feet. The height of the sail is 6 feet more than the length of the base of the sail. Find the height of the sail.

*asked by Nancy on January 18, 2016* -
## math

The pressure exerted on a surface is the ratio of the force on the surface to its area. Find the pressure on a patch, 2.25 m square, on a tank if the force on the patch is 37.4 N.

*asked by delvina on September 12, 2016* -
## Math 115

The area of a parallelogram is 3.36 square feet. The base is 2.8 feet. If the measures of the base and height are each doubled, find the area of the resulting parallelogram.

*asked by Sue on October 30, 2012* -
## Calculus

determine the absolute extreme values of the function f(x)=sinx-cosx+6 on the interval 0

*asked by Sara on February 15, 2015* -
## Algebra II

A furniture company displays bedroom sets which require 21 square meters of space and living room sets which require 42 square meters of space. The company,which has 546 square meters of available space, wants to display at least 6 bedroom sets and at

*asked by Lucy on January 6, 2008* -
## pre-algebra

You want to paint a wall that is 8 3/4 feet high and 11 1/4 feet long. You have a can of paint that will cover 200 square feet with one coat. A. find the area of the wall. b. if you want to apply two coats of paint , do you have enough paint? explain

*asked by Greg on January 7, 2009* -
## physics - electric fields

A 2.00 square meter flat surface is placed in a uniform electric field of magnitude 6.00 N/C. If the surface is oriented so that the field lines are all parallel to the surface, find the magnitude of the electric flux through this area

*asked by Lakitha on September 8, 2013* -
## Math

a textbook page measures 6 inches by 9 inches. there is a margin of uniform width around all four sides of the page leaving 28 square inches for printing. find the width and height of the printing area

*asked by Kim on December 25, 2012* -
## Algebra 2

You are creating a metal border of uniform width for a wall mirror that is 20 inches by 24 inches. You have 416 square inches of metal to use. Write and solve an equation to find the border's width.

*asked by Lyle Eleda on April 12, 2012* -
## math

A token is placed on the corner square of a 3×3 chess board. The token is moved either up, down, left, or right, with equal probability. If the token would move off the edge of the board it "wraps around'' the board and moves to the opposite side instead.

*asked by hrdcvrdcv on May 23, 2013* -
## Calculus - Integrating

Question: ∫(x^2)/sqrt(x^2+1) u=x^2+1 , x^2= u-1, du=2xdx ∫(u-1)/sqrt(u) , expand ∫u/sqrt(u) - 1/sqrt(u) Integrate: 2/3(u^(3/2)) - 2u^(1/2) + c My answer: [ 2/3(x^2+1)^(3/2) - 2(x^2+1) + c ] When I took the derivative of this to check my answer, it

*asked by Liam on March 20, 2017* -
## Math - Calculus

Problem solving with derivatives. A rectangular box has square base of edge length x cm. Its framework of 12 edges is constructed from wire of total length 36cm. Find: i. the height of the box in terms of x ? ii. the volume of the box in terms of x? ii.

*asked by GZB on July 6, 2018* -
## Math

Hi! I need help with the following math problem: A building has 4 columns, each of which is 15 ft high and has a circumference of 1 2/3 yards. 1. Find the lateral surface area of the 4 columns. 2. How much will it cost to paint the 4 columns if paint costs

*asked by Suomynona on May 27, 2008* -
## trig

hey. show 2sin(pi/14) is a solution to x^3-x^2-2x+1=0 and hint: let x=2sinu and sin(7u)=1 i can't seem to solve when i sub in the x value. how can i relate this to the seventh root of inifinity. i multiplu by sin^4 but they it just doesnt work.

*asked by alice on April 23, 2010* -
## Chemistry-check my work

The equilibrium constant kc for the equation CS2 + 4H2 CH4 +2H2S at 900 C is 27.8. what is the value of kc for the following equation? 1/2CS2 + 2H2 1/2CH4 +H2S sqr root of 278=5.27?

*asked by Anna on April 14, 2010* -
## chem

Calculate the solubility of magnesium hydroxide (Mg(OH)2), ksp=1.1x10^-11? i have done this problem so many times and keep getting it wrong, i know the answer is 1.4x10^-4 but how do i get there? i did an ice chart and tried doing the cube root but its

*asked by jessie on December 12, 2010* -
## algebra

In the promotional park your company has budgeted $40,000 for some High Quality Astroturf and trees for a miniature golf course. The company plans on laying out 4,000 square feet of High Quality Astroturf, which costs $5.50 per square foot. The trees that

*asked by Anonymous on May 16, 2011* -
## grid problem (geometry)

The squares of a 2×60 chessboard are coloured black and white in the standard alternating pattern. At random, exactly half of the black squares are removed from the board. The expected number of white squares that have no neighbours after this process can

*asked by john on June 15, 2013* -
## math

x=(-5.15-5.89i).(30/(-5.15-5.89i)) i is the suare root of (-1) what is x. please help me , i cant figure it out. thank you.

*asked by layth on September 20, 2010* -
## Calculus Help Stuck Part 2?

Evaluate the lim a. lim x--> 64 (cube root x-4/x-64)

*asked by Marc on April 12, 2016* -
## algebra 1

cube root of (-64x^8y^5) Is it -8x^2y times the cube of y^2?

*asked by matt on November 18, 2014* -
## Algebra B

When a root is not a real number, what kind of number is it?

*asked by Nancy on February 1, 2011* -
## algebra

Solve: 8 = sqrt () y + 2 a){62} b){6} c) none d){66} And I tried to the sqrt root image i can see but you can't and thanks

*asked by poo on June 10, 2010* -
## math

what is the 14th root of (-2) to the 14th power? Thanks in advance

*asked by barb on November 5, 2010* -
## SCIENCE!!!

Do leaf tissues and root tissues look alike? If not why?!?

*asked by Ella on November 18, 2008* -
## Please Help

is the root word for the word crackerjack crack?

*asked by brooke on September 25, 2015* -
## algebra

simplify log (xy/z^2) log^5square root a^4/b^2

*asked by matthew on September 12, 2017* -
## calculus

1. A sheet of cardboard 3 ft. by 4 ft. will be made into a box by cutting equal-sized squares from each corner and folding up the four edges. What will be the dimensions of the box with largest volume? so I did V=lhw and found l=4-2h and w=3-2h I also

*asked by Yoona on December 18, 2011* -
## Physics

When a given object moves a circular path, the centripetal force varies directly as the square of the velocity and inversely as the radius of the curve. If the force is 640lb for a velocity of 20mi/h and a radius of 5m, find the force for the velocity of

*asked by Bernice Nicole on December 18, 2013* -
## Math-Algebra

When a given object moves a circular path, the centripetal force varies directly as the square of the velocity and inversely as the radius of the curve. If the force is 640lb for a velocity of 20mi/h and a radius of 5m, find the force for the velocity of

*asked by Bernice Nicole on December 18, 2013* -
## Physics

When a given object moves a circular path, the centripetal force varies directly as the square of the velocity and inversely as the radius of the curve. If the force is 640lb for a velocity of 20mi/h and a radius of 5m, find the force for the velocity of

*asked by Bernice Nicole on December 18, 2013* -
## algebra

The strength of a rectangular beam varies jointly as its width and the square of its depth. If the strength of a beam 10 inches wide by 20 inches deep is 3400 pounds per square inch, what is the strength of a beam 9 inches wide and 18 inches deep?

*asked by Felix on April 10, 2019* -
## algebra

The strength of a rectangular beam varies jointly as its width and the square of its depth. If the strength of a beam 4 inches wide by 12 inches deep is 1800 pounds per square inch, what is the strength of a beam 5 inches wide and 12 inches deep?

*asked by Felix on April 11, 2019* -
## math

Anton use a square cardbaord to make an open box.He cut small squares of the same dimension from the corners of the card board then bent the side upward.The length of the sides of the cardboard is 28 cm. A. What expression represents the length of sides of

*asked by claire on June 22, 2017* -
## Algebra

I having a hard time with this word problem: A backyard has dimensions 4 and 2/5 yards by 2 and 4/5 yards. What is the area of the backyard in square yards (yd^2)? Do I mulitiply and then simplify? Yes, you do multiply and then simplify. To make it easier

*asked by jay's gyrl on August 5, 2007* -
## Second Derivatives

If y = 2 f(g(x)), then d2y/dx2 = ? The d2y/dx2 means the second derivative, I believe.

*asked by Kaiti on June 5, 2012* -
## math

please check these 1.kristi jogged for 3/5 of an hour, swam 1/2 of an hour, rode her bike for 1/4 hr. how long did she exercise/=1 17/20 2.victor owned 5/6 of a family buisness, he sold 2/7 of the buisness,what portion doe she still own?=23/42 3.subtract

*asked by p on September 18, 2009* -
## Geometry

Janine wants to paint just the sides of a cylindrical pottery vase that has a height of 45 cm and a diameter of16. Janine wants to paint just the sides of a cylindrical pottery vase that has a height of 45 cm and a diameter of 14 cm. To the nearest whole

*asked by Alexa on October 2, 2015* -
## physics

Find the x- and y-coordinates of the center of gravity of a 4.00 ft by 8.00 ft uniform sheet of plywood with the upper right quadrant removed as shown in the figure below. The dimensions of the cutout are a = 4.50 ft and b = 1.70 ft. HINTS: Think of the

*asked by frank on October 28, 2014*

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- 978