Monday

January 26, 2015

January 26, 2015

Number of results: 719

**physics**

The motion of a particle is described by x = 10 sin (piet +pie/2 ). At what time ( in second ) is the potential energy equal to the kinetic energy ? here is what i have done so far where am i going wrong V=pie10cos(piet + pie/3) V^2 = pie^2 100cos^2(piet+ pie/3) KE = mpie5ocos...
*December 12, 2007 by shan*

**Calculus grade 12**

solve for (<_ = less than or equal to / pie = pie sign / -pie = negative pie) 3 sin²x = cos²x ; 0 <_ x < 2pie cos²x - sin²x = sinx ; -pie < x <_ pie
*April 12, 2012 by Julie*

**math**

evaluate the expressions below and leave them in radical form. 1. sin(pie symbol/6)csc(pie symbol/6) 2. sec(pie symbol/3)cos(pie symbol/3)+tan(pie symbol/3)cot(pie symbol/3)
*March 30, 2013 by ana*

**Calculus**

If water is poured into a cup at a rate of 1 cubic centimeter per second, how fast is the dept of the water increasing when the water is 4 cm deep? r = 6 cm h = 9 cm V = 1/3(pie) r^2 x h V = (pie)r'h + 1/3 (pie)r^2 h' 6 / 9 = r / h 6h = 9r r = 3 / 4.5 h V = 1/3(pie) (3/4.5h)^2...
*February 6, 2011 by Katie*

**Math**

Mom served apple pie. John ate 1/2 of the pie. Thomas ate 1/4 of the pie. How much of the pie was eaten? How Much of the pie is left?
*October 18, 2011 by Kris*

**Geometry**

One can of pumpkin pie mix will make a pie of diameter 8 in. If two cans of pie mix are used to make a larger pie of the same thickness, find the diameter of that pie. Use sqrt 2 is equal to about 1.414
*March 8, 2008 by Emily*

**calculus**

Hi i have two questions: what is the exact value of cos 5(pie)/12? what is the exact value of cos2(pie)/9 cos(pie)/18 + sin2(pie)/9 sin(pie)/18? thank you
*May 8, 2013 by Maria*

**algebra II**

A formula for the volume of a sphere is V=4/3 pie r^2. If the radius is 6c^2d^3, what is the volume of the sphere? a. 288 pie c^6d^9 b. 288 pie c^5d^6 c. 8 pie c^2d^9 d. 216 pie c^6d^9 If you could explain this to me.thanks and how do you find x int of a linear function. I've ...
*January 9, 2008 by jack*

**Math**

John ate some pie for lunch. He left 2/3 of the pie. Jerry ate 1/2 of the remaining pie. How much pie did Jerry eat?
*November 8, 2012 by Nina*

**math**

Sorry I'm posting again-- I just thought it would increase my chances of getting my question answered if i posted it in the mathematics portion of the website also. --------------------------------------- One can of pumpkin pie mix will make a pie of diameter 8 in. If two cans...
*March 8, 2008 by Emily*

**calculus **

Can someone explain how find the average rate change for these functions? 1.) f(x)=x^3+1 a (2,3) b.(-1,1) 2.) h(t)= cot t a. pie/4, 3pie/4 b. pie/6, pie/2 I am so lost. T_T please help!
*June 11, 2012 by littleman*

**math**

two third of a blueberry pie is left in the refrigerator. If the leftover pie is cut in 6 equal size, which fraction of the original pie is each slice
*March 20, 2013 by jennifer*

**algebra**

an apple pie is cut into 6 slices each slice is solid for 2$ the radius of the pie is 3.5 inches the central angle of the of the remaining pie is 120
*April 30, 2014 by Trashelle*

**math**

Mrs. Smith had 1/2 of a pumpkin pie left over. She split the leftover pie evenly between her 3 children. What fraction of pie did each child get?
*December 3, 2013 by john*

**Math**

John cut an apple pie into 6 equal slices. His friends ate some of the pie and now 3/5 is left. John wants to put each slice of the leftover pie on its own plate. What part of the pie will he put on each plate?
*April 17, 2013 by Seth*

**Math**

Becca wants to make a giant cherry pie to try to break the world record. If she succeeds in making a pie with a 20 foot diameter, what will be the total distance around the pie?
*March 16, 2014 by Jose*

**math**

Mrs.penn has a circular tablecloth with a circumference of 29 feet. Which expression could be used ro find the radius of the tablecloth? f. 29 - 2 pie g. 29/2 pie h. 29/pie j 29 + 2pie
*December 6, 2010 by dylan*

**Math**

Which of the following formulas could be used to calculate the combined area,x of threw identical circles? A. X= 3pie r squared B. X= 6 pie r C. X= pie r squared/ 3 D. X= 6 r/ pie
*March 30, 2011 by Mary*

**math**

sam said if he ate half of a pie and ava ate a fourth of the pie then three-fourths of the pie will have been eaten
*April 1, 2012 by ivy*

**math**

a pumpkin pie costs $12.55 at a bakery. if the pie has a diameter of 12 inch. what is the cost per square inch of the pie?
*March 15, 2013 by tala*

**3rd grade math**

Enzo and Eric are sharing a pie. If Enzo eats 1/3 of the pie and Eric eats 1/5 of the pie, is there more than 1/2 of the pie remaining?
*December 11, 2012 by Shal*

**3rd grade math**

enzo and eric are a sharing a pie. if enzo eats 1/3 of the pie and eric eats 1/5 of the pie, is there more than 1/2 of the pie remaining.
*February 11, 2013 by mythreyee*

**maths**

prove that sin sqared pie/6+ cos sqared pie/3-tansqare pie/4=1/2 in trigonometry
*May 21, 2014 by asd*

**Algebra II**

I wrote out the word pie in place of the actual symbol. Consider (pie n+pie n-1)(pie n-pie n-1)= 1 for n greater than or equal to 1. a) Provide two numerical examples illustrating its validity. b) Show the statement is true in general. c) What is the difference between using...
*June 15, 2014 by Monique*

**Math**

Find the rate of change of the area of a circle when its radius is 18.0 m and the radius is changing at the rate of 10.1 cm/s? rate in m2/s = My attempt.... dA/ dt = Pie R^2 * dr/dt 10.1cm/s = pie (1800cm) * dr/dt dr/dt = 0.0101/pie 3240 * m^3/m^2 dr/dt = 0.0101/pie 3240 m2/s ...
*January 29, 2013 by Brownie*

**Math (College Level Mathematics)**

Fourier cosine series correspondence for f(x)= x, o < x < pie given by x ~ pie / 2 - 4/n, E infinity on top and n=1 on bottom. cos (an-1)/x / (2n-1)squared, (0 < x < Pie). Explain why this correspondence is actually an equality for 0 is less than or equal to x and...
*September 21, 2013 by Joy*

**Math**

Needing help! Oliver made a pizza that was the same size as the pizza pan he used. The area of the pizza pan was 16(pie sign) square inches. What will be the circumference, in inches, of his pizza? A. 4 (pie sign) inches B. 8 (pie sign) inches C. 16 (pie sign) inches D. 32 (...
*April 12, 2013 by AsYouLikeIt*

**calculus**

find the volume of the solid formed by revolving the region bounded by the graphs of y=x^3,y=1, and x=2 about the x-axis using the disk method. 9 express the answer in terms of pie) i got the answer to be 3/5 pie but im not sure if is right. i used the formula V=(pie)(r)^2W
*February 2, 2010 by Nancy*

**math**

paul dad made a turkey potpie for dinner on wednesday. the family ate 4/8 of the pie. on Thursday after school paul ate 2/16 of the pie for a snack. what fraction of the pie remained.
*October 22, 2014 by Anonymous*

**Math**

What is the derivative of ((e^pie/3)(cosx))? Is it pie/3e^pie/3 times cosx - e^pie/3 times sinx?
*October 7, 2012 by Anonymous*

**6 th grade math**

2 students are learning how to bake apple and blueberry pies. The first student makes an apple pie and the second student bakes a blueberry pie. If the first student eats 1/4 of the apple pie and the second student eats 1/2 of the blueberry pie, which expression represents how...
*March 24, 2010 by Connie*

**maths**

Choose the two options which are true for all values of x 1) cos (x) = cos ( x – pie/2) 2) sin (x + pie/2) = cos (x – pie/2) 3) cos (x) = sin (x – pie/2) 4) sin (x) = sin (x + 4pie) 5) sin (x) = cos (x – pie/2) 6) sin^2 (x) + cos^2 (x) = pie would it be 1 and 3 ?? I helps if ...
*April 22, 2007 by katie*

**Math**

Eric eats 1/6 of an apple pie and Jack eats 1/4 of the apple pie. How much of the pie has been eaten?
*November 8, 2012 by Bell*

**Math**

a group of students ate a whole pie each student ate exactly 1/5 of the pie how many students shared the pie
*April 15, 2013 by Phillip*

**MATHS**

A pie is cut into two equal parts. The first part of the pie is shared between Abdul and Kate. Kate has 3 times as much as Abdul. The second part of the pie is shared between Sarah and Ron. Ron has 3/5 as much as Sarah. The mass of Sarah's share of the pie is 200 grams. What ...
*November 7, 2013 by LARA*

**Maths**

Could someone help me with this question Write in polar form : sinx - i cosx I've come up to this point, and it's wrong, can't someone please help? =sin(pie/2-x)-icos(pie/2-x) =cosx-isinx =cis(-x) But the answer is cis(x-pie/2)
*March 4, 2009 by TP*

**maths**

the function y = 5 + 3 sin (pie t /3 + pie /2) choose one option which gives the value of the funtion when t = 3. choose the option which gives the period of the function. from the options below. 0, 1/6, pie/6, 2, 3, pie, 5, 6 wod the value of t=3 be 5 ? and i dont knw wat the...
*May 20, 2007 by kat*

**maths**

the function y = 5 + 3 sin (pie t /3 + pie /2) choose one option which gives the value of the funtion when t = 3. choose the option which gives the period of the function. from the options below. 0, 1/6, pie/6, 2, 3, pie, 5, 6 wod the value of t=3 be 5 ? and i dont knw wat the...
*May 21, 2007 by kat*

**Geometry **

Need help I missed this problem on my test. My answer was 31.8in^2. The right answer was 8.0in^2 How should I have worked the problem: A pie has a diameter of 9 inches. Each slice of the pie has a central angle of 45 degrees. What is the area of each slice of pie?
*April 18, 2011 by mary*

**Vector Calculus**

Hello...i had a question. I would really appreciate it if someone could help me...tnx in advance! K my question is Find the T(t) , N(t), B(t) for r(t)=<2sint,2cost,t>; t=pie/4 ...which are normal vectors, binomial vector and i am not sure about T(T)...anyhow...i have the...
*October 19, 2007 by Kim*

**4 grade math**

gina ate 1/6 of an apple pie. Greg ate 1/2 of the same apple pie. how much of the apple pie was left
*April 30, 2013 by marsha*

**math**

prove that sec(3 pie/2 -x) sec(x-5 pie/2) + tan (5 pie/2+x)tan(x-3 pie/2)=-1
*June 18, 2012 by krishan*

**pie**

we have 2 baskets. there are 3 apples in each basket. we needs 7 apples to make a pie. can we make a pie?
*March 10, 2014 by mohamad shbib*

**Calculus**

Determine derivative of each function A) y = 3xSinx B) f(t) = 2t^2Cos2t C) [(pie)tSin](pie(t)-6)
*April 14, 2012 by Julie*

**trig**

1.Ifg(x)=cos4x,find g'(pie/24). 2.Differentiate y=csc^2 pie*x
*February 25, 2012 by albert*

**maths-**

Number of points at which f(x) = 3+2sinx has maximium in the interval (-11 pie/2 , 100 pie) is _____
*March 19, 2013 by anoynomous*

**math**

Given that sin pie/6 = 1/3, use an equivalent trigonometric expression to show that cos pie/3 = 1/2.
*October 31, 2009 by Anonymous*

**12th grade**

i need help, can someone determine the quadrant in which the angles lie? pie/5 7pie/5 -pie/12 -2
*March 21, 2010 by ashley*

**algebra**

solve for variable h s equals 2 pie rh +2 pie r squared
*August 14, 2010 by mary*

**trig**

secx=5 use a graph to solve the following equation in the interval x is greater than -pie but less than pie
*March 30, 2011 by Courtney *

**computer graphics**

A pie chart needs to be drawn to show the percentage of total marks obtained by students. suppose 8%of studentss got 90% and above ; 52% got 75%to805 ; and 30% got 60% to 75%and remaing otained below 60%mark. no one failed .write an algorithm to drraw the pie chart and the ...
*July 14, 2011 by uday*

**Physics**

1. A Pyrex plate is filled to the brim with liquid pumpkin pie filling, then baked at 190 degrees Celsius. The pie plate is h=3.60 cm deep, but the sides of the dish taper from the top to bottom so that the bottom is a circle of diameter d2=25.8cm, while the top opening is a ...
*January 22, 2013 by Dawna*

**8th grade**

c (circumference) c=pie d where d is the diameter. How do i find d to the nearest hundredth when c=39cm? and i have to solve the formula C=pie d for d.
*October 14, 2008 by tito*

** Math**

i dont know how to solve this, i'm so lost. determine the exact value of c cot( 4c- pie/4) + tan ( 2c + pie/4)= 0 please help me!!! THANK YIU
*June 18, 2011 by jake*

**algebra**

six people ate one tenth of a pie and there was two fifth left. How much pie did she start with?
*November 13, 2012 by k*

**MAth**

The pumpkin pie was sliced into 6 equal peices After 1 piece was taken what was the fraction of the pie left?
*January 22, 2015 by Ameen*

**math**

find D from the formula C= pie D WHEN pie= 3.142 and c= 27
*September 6, 2010 by jake*

**math**

find r from the formula a=pie rl when pie= 3.142, a= 96, and i=12
*September 6, 2010 by luis*

**precalc**

1. Write an equation of the following using the particular function. 1. The function is sine. The amp is 2 and the domain is [0, 2]. I got y=2sin(pie(x)) but i plugged that in my calc and it doesnt look like the graph on my worksheet 2. The function is cosine. The amp is 3 and...
*January 24, 2013 by Rebekah*

**calculus**

V(h) = pie/3(R^2h-h^3) take the derivative with respect to h. using the chain rule I got: V'(h) = pie/3(2Rh+R^2-3h^2) but this is not the correct answer. what did I do wrong?
*April 22, 2009 by Riley*

**physics**

0.50 kg cream pie strikes a circus clown in the face at a speed of 5.00 m/s and stops. What is the change in kinetic energy of the pie? in joules
*March 7, 2011 by Dominica*

**math**

If there is a pumpkin pie eating contest, how many pumkin pies will they need if 25 people participate and they eat 7/8 of a pie show your work
*February 12, 2013 by lee*

**physic2**

some cooks claim that the bottom crust of a pie gets browner if the pie pan is glass than if it is metal? why should this be?
*January 23, 2014 by heat transfer*

**algabra**

A cylinder has a radius of 5 in. If the volume of the cylinder is 250 pie inches cubed, What is the height of the cylinder? pi*r^2*h=250*pi pi cancels. solve for h r^2*h=250 h=250/r^2?? This is what I got originally. 250=pie(5)squared *h. 250= pie 25 h 10= pie h h= 10 over pie...
*January 18, 2007 by peggy*

**geometry**

how do you find the circumference of a circle with the area of 169 pie m squared(in the terms of pie)? Please tell me how to do it. Don't just give me the answer
*January 12, 2009 by jordan*

**math**

a percan pie 40 ft in diameter was baked in oklahoma,in 1989. What was the pie circumference ,rounded to the nearest foot? plz shoe work
*March 1, 2011 by daisy*

**algebra-trig help asap**

Write an equation I'm not sure how to do this though. The sine of x with an amplitude of 4, period of 3(pie) and phase shift to the right of pie/4
*May 5, 2012 by missy*

**math**

a pie is cut into 8 equel slices. if a person wants 0.75(pie sign) centimetre of crust, about how many pieces should they take?
*May 12, 2012 by chris*

**fractions**

Write the following fraction as a numeral: One piece of pie from a pie that is cut into six parts. Please check: 1/6
*August 21, 2013 by Ericka*

**math**

Gail and 3 friends all share 1/2 a pie. All the pieces in pie put together make up 180 degrees. Gail and friends finish the pie and each eat an equal piece. They believe each piece has an angle of 25 degrees. Are they right?
*January 7, 2014 by ellen*

**math**

2/3x+5/3x=14 7\6x=14 then multiply a4 my 6\7 what is the circumferenceof a satellite dish which has a diameter of 21m you do 2 times pie and radius since you have the diameter then its 21 times pie . for futher info if your trying to find the area then you have to put it in ...
*April 24, 2007 by Anonymous*

**Algebra**

I posted this earlier but the number was wrong. I don't know why it didn't post the other pie symbol. And ofcourse the extra pie throws me off! A large grain silo is to be constructed in the shape of a circular cylinder with a hemisphere attached to the top (see the figure). ...
*September 12, 2014 by Ashton*

**adv functions**

a pie is cut into 8 equel slices. if a person wants 0.75(pie sign) centimetre of crust, about how many pieces should they take?
*May 12, 2012 by chris*

**pie graph // math **

Jorge and his family went to an amusement park over spring break. They spent $500.00. The pie graph shows how the $500.00 was divided over the trip. Use the pie graph to answer the question. Hotel : 2/5 How much money did Jorge and his family spend on a hotel...
*May 9, 2011 by Lo*

**Algebra II**

How would you simplify: 2^pie-2 ------- 2^pie+2
*May 13, 2008 by Mona*

**Algebra II**

How would you simplify: 2^pie-2 ---------- 2^pie+2
*May 14, 2008 by Mona*

**Math**

Ms Morrison ate 1/4 of a pie then she ate another 1/8 of the pie how much pie they ate
*January 14, 2013 by Traynasia *

**12th grade calculus**

find the lines that are tangent and normal to th ecurve at the point given 1. 2xy+piesiny=2pie (1, pie/2) 2. x^2cos^2y-siny=0 (0, pie)
*October 19, 2008 by elley*

**math**

Kamisha bought a strawberry pie that was cut into 4 equal peices. She ate half of one peice. What fraction of the whole pie was left?
*September 21, 2009 by Anie*

**AP Calculus**

The radius of a circle is decreasing at a constant rate of 0.1 centimeters per second. In terms of the circumference C, what is the rate of the area of the circle, in square centimeters per second? a. -(0.2)pie C b. -(0.1)C c. -(0.1)C/2 pie d. (0.1)^2C e. (0.1)^2 pie C
*January 18, 2011 by Naz*

**Math**

The radius of a circle is decreasing at a constant rate of 0.1 centimeters per second. In terms of the circumference C, what is the rate of the area of the circle, in square centimeters per second? a. -(0.2)pie C b. -(0.1)C c. -(0.1)C/2 pie d. (0.1)^2C e. (0.1)^2 pie C
*January 18, 2011 by Naz*

**AP Calculus**

The radius of a circle is decreasing at a constant rate of 0.1 centimeters per second. In terms of the circumference C, what is the rate of the area of the circle, in square centimeters per second? a. -(0.2)pie C b. -(0.1)C c. -(0.1)C/2 pie d. (0.1)^2C e. (0.1)^2 pie C
*January 18, 2011 by Naz*

**fractions**

fraction word problem. please advise on how to work the problem Phillip and Jane had a pie each. Phippip ate 1/4 of his and Jane ate more of the pie than Phillip. Which fraction of his pie could Jane have eaten. Possible answers: 2/5 1/6 2/8 or 1/8
*June 9, 2011 by Suzanne*

**Algebra**

The Circumference and area of a circle of radius r are givin by 2 [pie] r and [pie] r[2], respectively use 3.14 for the constant [pie] A. What is the circumference of a circle with a radius of 2 m? B.What is the area of a circle with a radius of 2 m? C. The earth has a radius ...
*September 17, 2007 by Jordan*

**geometry**

Gail and her 3 friends all share half a pie. All the pieces in thwe pie put together make up 180 degrees. Gail and her friends finish the pie and they each eat an equal piece. They believe each piece has an angle equal to 25 degrees. are their calculations correct? Explain.
*January 30, 2012 by michelle*

**math**

nate cut a pie into 7 equal pieces. he gave one piece to his dad and three times as much to his brother Chris. what fraction of the pie was left?
*January 16, 2013 by lori*

**precal**

use the half angle formula to determine the exact values of sin, cos, and tan of the angle. pie/8 and pie/12
*February 24, 2009 by trista*

**calculus**

why is lim of tanx as x approaches to (pie/2)+ is negative infinity. Shouldnt it be positive infinity since pie/2 is approaching on the right
*February 28, 2010 by eng*

**Trig**

Find three additional polar representation of the point (-3, pie over 6) given in polar coordinates,using -2 pie <0 <2pie.
*May 20, 2010 by Sasha*

**Calculus**

solve this equation on the given interval expressing the solution for x in terms of inverse trigonometric functions. 6(cosx)^2-cosx-5=0 on (pie/2, pie)
*October 10, 2011 by Josh*

**math**

Jim ate 3/8 of a pie and jung ate 0.25 of the same pie. Shade the amount that jim and jung ate. Who ate more pie.
*September 26, 2013 by Anonymous*

**Math**

Jim ate 3/8 of pie and Jung ate 0.25 of the same pie. Shade the amounte that Jim and Jung ate. Who ate more pie?
*October 21, 2013 by Anonymous*

**math**

there are 5 pieces of pie. liz, zach, and dan each have a pieces. what fraction of the pie is left?
*March 11, 2013 by jhoven*

**math**

there are 5 pieces of pie. liz, zach, and dan each have a pieces. what fraction of the pie is left?
*March 11, 2013 by jhoven*

**physics**

A body oscillates with simple harmonic motion along the x-axis. Its displacement varies with time according to the equation x=5 sin (PIE + PIE/3). The velocity (in m/s) of the body at t=1 second is:
*August 3, 2012 by veena*

**Maths**

An ant is crawling along the x-axis such that the graph of its position on the x-axis versus time is a semi-circle. The total distance covered in the 4 sec is 1. 4 m 2. 2 m 3. 2 pie m 4. 4 pie m
*November 20, 2012 by Parag*

**Math**

I have a word problem with fractions. Anna estimated that her brother Nick ate about 1/3 of an apple pie, her brother Matt ate 5/8 of the pie, and she ate about 1/4 of the pie. How might you convince Anna that her estimates do not make sense? Be sure to show every step of your...
*January 23, 2013 by Robert*

**Math**

Hannah sliced a pie into 12 equal pieces.Hannah and her brothers ate 3 of the 12 slices. What fraction of the pie was NOT eaten? A.1/3 B.1/4 C.2/3 D.3/4 We did this one together in class and my teacher said it was D Explain? I know its not B cause 3/12=1/4
*February 13, 2012 by Colton*

**fractions**

fraction word problem. please advise on how to work the problem Phillip and Jane had a pie each. Phippip ate 1/4 of his and Jane ate more of the pie than Phillip. Which fraction of his pie could Jane have eaten. Possible answers: 2/5 1/6 2/8 or 1/8 Please advise whether or not...
*June 10, 2011 by Suzanne*

**Math: Check Answers**

1. How can this product be simplified? 5x^2(2x – 3) 5x^2 + 2x – 3 10x^3 – 15x^2 –5x^2 7x^3 – 15x^2 2. What is the GCF of the terms of 8c^3 + 12c^2 + 10c ? 2 4 2c 4c 3. How can the polynomial 6d^4 + 9d^3 – 12d^2 be factored? 3d^2(2d^2 + 3d – 4) 3d^2(3d^2 + 6d – 9) 3d(d^3 + 3d^2...
*January 29, 2013 by Deborah *

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