
Algebra
Thank you drwls. I was not reading my own question clearly. I am trying to make the equation true for an object that is 100 pounds at sea level. Find the vlaue of C that makes the equation true. wouldn't C, being the contant, be where I put my 100 pounds?
asked by Marysvoice on February 1, 2008 
Physics
A golfer, standing on a fairway, hits a shot to a green that is elevated 5.50 m above the point where she is standing. If the ball leaves her club with a velocity of 46.0 m/s at an angle 0f 35.0º above the ground, find the time that the ball is in the air
asked by Jacob on February 17, 2014 
physics
While exploring a cave, a spelunker starts at the entrance and moves the following distances: 75.0 m north, 275 m east, 215 m at an angle 30.0° north of east, and 150 m south. Find the resultant displacement from the cave entrance.
asked by vicky on September 20, 2010 
Math
Ram wants to cover the floor of a room 5meter wide & 8meter long by squared tiles. If each square tile is of side 0.5 meter, then find the number of tiles required to cover the floor of the room.
asked by Megha on November 4, 2016 
Physics
An airplane is traveling v = 850 km/h in a direction 38.5° west of north (Fig. 334). Figure 334. (a) Find the components of the velocity vector in the northerly and westerly directions. 1 km/h (north) 2 km/h (west) (b) How far north and how far west has
asked by Anonymous on December 4, 2010 
Physics
A 95.1g ice cube is initially at 0.0°C. (a) Find the change in entropy of the cube after it melts completely at 0.0°C. Hint: The latent heat of fusion for water is 3.33 105 J/kg. answer in J/kg (b) What is the change in entropy of the environment in
asked by Sam on November 26, 2012 
ElectroChem
Find the Emf for the cell Cr(gr)  Sn4+(aq, .059 M), Sn2+ (aq, .059 M)  Fe3+ (aq, .15 M), Fe2+ (aq, .015 M)  Pt(s) if the standard cell emf is .77 V at the cathode and .15 V at the anode. Answer in Units of V. If would be nice if you could show me step
asked by Chemstudent on February 24, 2015 
Applied Mathematics ( Mechanices
A mass of 50 kg is moved vertically upwards by a rope. find the tension in the rope when: (a) the mass moves with constant velocity of 3ms1 (b) the mass accelerates up wards at 5ms2 (c) the mass accelerates downwards at 5 ms2 I couldn't manage this
asked by Babita on July 2, 2015 
physics
A bullet is fired from a rifle that is held 1.06 m above the ground in a horizontal position. The initial speed of the bullet is 1340 m/s. Find (a) the time it takes for the bullet to strike the ground and (b) the horizontal distance traveled by the
asked by James on January 29, 2007 
physics
Phrank (36.4kg) runs at 2.2 m/s and jumps onto a large stationary skateboard (2.3kg) on which Phrancine (22.7kg) is sitting. After the collision, Phrank, Phrancine, and the skateboard move at 1.3 m/s. Find the momentum before and after the collision along
asked by brett on February 11, 2012 
Theory of machine
A winding drum raises a cage through a height of 120 m. the cage has, at first, an accelerationof 1.5 m/s^2 until the velocity of 9 m/s is reached, after which the velocity is constant until the cage nears the top, when the final retardation is 6 m/s^2.
asked by Sean Christian on July 27, 2017 
HELP Accounting
A baker makes 500 creamfilled eclairs at a cost of $0.72 each. He estimates that 10% of the eclairs will be sold the following day at a reduced price of $0.80 each. Find the marked price if the baker wishes to obtain a 75% markup on cost. A. $1.27 B.
asked by Angela on January 27, 2014 
physics
A golfer, standing on a fairway, hits a shot to a green that is elevated 5.80 m above the point where she is standing. If the ball leaves her club with a velocity of 46.3 m/s at an angle of 36.0° above the ground, find the time that the ball is in the air
asked by rrrr on July 2, 2014 
Probability Help
In ''The Numbers Game,'' a state lottery, four numbers are drawn with replacement from an urn containing the digits 09, inclusive. Find the probability of a ticket holder having the indicated winning ticket. All four digits in any order(including the
asked by Bobbie on December 6, 2016 
math
mary deposited dimes and quarters into the coinstar machine at her local grocery store. the total money she deposited was 22.15. if mary had 84 dimes, write and solved a linear equation to find the number of quarters she had.
asked by Arif on January 19, 2014 
Accounting
A baker makes 500 creamfilled eclairs at a cost of $0.72 each. He estimates that 10% of the eclairs will be sold the following day at a reduced price of $0.80 each. Find the marked price if the baker wishes to obtain a 75% markup on cost. A. $1.27 B.
asked by Angela on January 22, 2014 
Physics
A 5 gram bullet is fired and embeds into a 30 gram block of wood resting on a 2 m tall post. After the collision, the piece of wood lands 15 meters from the base of the post. Find the initial speed of the bullet.
asked by Alex on June 1, 2011 
Math
an ice cream parlor is giving away free icecream sundaes on opening day. the sundaes are assembled randomly from 7 types of ice cream, 2 types of sauce, and 5 kinds of toppings. find the probabilty.
asked by adam on March 7, 2014 
trig
find the exact values of the six trig functions of the angle. 750 sin(750)= cos(750)= tan(750)= csc(750)= sec(750)= cot(750)= I've tried this question over and over again and i cannot get it right. i believe 750 is in the fourth quadrant but I'm
asked by ALISON on September 6, 2011 
physics
While exploring a cave, a spelunker starts at the entrance and moves the following distances: 75.0 m north, 260 m east, 195 m at an angle 30.0° north of east, and 150 m south. Find the resultant displacement from the cave entrance.
asked by louden on September 20, 2009 
Grade 12 Biology
I am confused about this question, and can't find anything on the internet, anyone care to explain? Why is the tertiary structure of an enzyme, such as amylase, so important? An enzyme is a protein, so is it really asking why is this stage important? And
asked by MileyCyrus on February 18, 2008 
physics
A railroad freight car of mass 3.30 104 kg collides with a stationary caboose car. They couple together, and 16.0% of the initial kinetic energy is transferred to thermal energy, sound vibrations, and so on. Find the mass of the caboose.
asked by Anonymous on December 14, 2008 
physics
one car of mass 15.0kg is moving 5.00m/s to the right on a frictionless track and collides with a cart of mass 3.00kg. the final velocity of the carts that become stuck together after the collision is 1.50m/s to the right. find the velocity of the second
asked by tommy on April 7, 2015 
math
Jose left the airport and traveled toward the mountains. Kayla left 2.1 hours later traveling 35mph faster in an effort to catch up to him. After 1.2 hours Kayla finally caught up. Find Jose's average speed/
asked by Joe Joe on October 25, 2012 
biology
I need a site where I can find these ff microscopic images: a. allium cepa 1. interphase 2. metaphase 3. prophase 4. anaphase b. paramecium 1. interphase 2. metaphase 3. prophase 4. anaphase thanks in advance... facstaff.uww.edu/mckinnoj/Bio1Lb1bCell.doc
asked by klar maesen on July 8, 2007 
math
mary deposited dimes and quarters into the coinstar machine at her local grocery store. the total money she deposited was 22.15. if mary had 84 dimes, write and solved a linear equation to find the number of quarters she had
asked by Arif on January 19, 2014 
ElectroChem
Find the Emf for the cell Cr(gr)  Sn4+(aq, .059 M), Sn2+ (aq, .059 M)  Fe3+ (aq, .15 M), Fe2+ (aq, .015 M)  Pt(s) if the standard cell emf is .77 V at the cathode and .15 V at the anode. Answer in Units of V. If would be nice if you could show me step
asked by Chemstudent on February 23, 2015 
Algebra Continued
2)A motorboat leaves a dock and travels at an average speed of 15mi/h toward an island. The average speed on the return trip is 10mi/h. How far is the island from the harbor if the total trip takes 5h? (HIntfirst find the 2 times)
asked by Chris on September 23, 2008 
trigonometry
A 100foot vertical antenna is on the roof of a building. From a point on the ground, the angle of elevation to the top and the bottom of the antenna are 51 degrees and 37 degrees, respectively. Find the height of the building to the nearest foot. How
asked by heather on December 9, 2012 
Math: Equations of Lines
Determine the parametric equations of each of the following planes:  g) the plane containing the 2 intersecting lines: r = (5,4,2) + t(4,2,1) r = (1,6,6) + s(6,4,4) My Attempt: x = 5 + 4t + 6s y = 4 2t  4s z = 2 + t + 4s
asked by Anonymous on March 19, 2008 
Trig
Days 0 2 4 6 8 10 12 14 16 Lions (number) 1272 1523 1152 891 1284 1543 1128 917 1185 Deer (number) 39 47 63 54 37 48 60 46 40 Find a sin Equation for Lions and deer. use this model. Thanks! y=k + A sin (Bx+C)
asked by Joshaw on April 25, 2016 
Math
I have to find the prime factorization of each number and write down the answers with exponents when repeated factors appear. eighteen, four hundred eighty, six hundred forty Next, I need to write this fraction in lowest terms. onehundred sixtyfive over
asked by Alex L. on October 5, 2011 
Physics
A 5 gram bullet is fired and embeds into a 30 gram block of wood resting on a 2 m tall post. After the collision, the piece of wood lands 15 meters from the base of the post. Find the initial speed of the bullet.
asked by Alex on June 1, 2011 
USA PoliScience
Select a two interest groups that are on opposite side of some issue or policy goal. I was thinking I should write about American Freedom Agenda But does the question mean we have to find two groups against each other? Or one group on an issue.. and is my
asked by HM on October 4, 2011 
algebra
Eli took the fleet of 8 vans for oil changes. All of the vans needed windshield wipers which cost $24 per van. The total bill was $432. Write an equation to find out what each oil change cost. solve the equation.
asked by Anonymous on September 14, 2016 
Calculus
If C(x) = 18000 + 400x − 2.2x^2 + 0.004x^3 is the cost function and p(x) = 2800 − 7x is the demand function, find the production level that will maximize profit. (Hint: If the profit is maximized, then the marginal revenue equals the marginal cost.)
asked by Brianna on October 21, 2013 
math
Paving cost is $10.30 per square yard. find the total cost of paving the shaded area in figure 2721. Round the answers to nearest ten dollars. 170'0" Radius 92'0 256'0" is the shaded area
asked by jackie on November 13, 2015 
Algebra II
A playground is to be constructed at the back of a daycare center using 164 feet of fencing. The back of the building will serve as one of the long sides of the playground. The playground is to have a length 6 feet longer than its width. Find the
asked by R on August 25, 2017 
math
Dave walked from point A to point B due North East for a distance of 20m. He immediately changed direction and walked 50m from B to C on a bearing of 110 degrees. i. Calculate the distance AC ii. Find the bearing of C from A
asked by lindsay on May 21, 2013 
Calculus
If C(x) = 18000 + 400x − 2.2x^2 + 0.004x^3 is the cost function and p(x) = 2800 − 7x is the demand function, find the production level that will maximize profit. (Hint: If the profit is maximized, then the marginal revenue equals the marginal cost.)
asked by Brianna on October 21, 2013 
math
Dave walked from point A to point B due North East for a distance of 20m. He immediately changed direction and walked 50m from B to C on a bearing of 110 degrees. i. Calculate the distance AC ii. Find the bearing of C from A
asked by lindsay on May 21, 2013 
Chemistry
A scuba diver’s tank contains 0.29 kg of O2 compressed into a volume of 2.3L. A)calculate the gas pressure inside the tank at 9 Celsius. B) what volume would this oxygen occupy at 26 Celsius and 0.95atm? Answer is a)91atm B) 2.3 x 10^2 L Trying to find
asked by Lala on January 18, 2018 
Algebra
Lisa brought half of her savings to the bakery and bought 12 croissants for $14.20. The amount of money she brings home with her is more than $2. Use an inequality to find how much money she had in her savings before going to the bakery. (Write the
asked by Julie on September 27, 2018 
calculus
there are no examples of this type of problem in my book so if you could help walk me through it  that would be extremely helpful. thanks ahead of time. Find the extreme values of the function on the interval and where they occur. 4) F(x)=³√(x); 3
asked by K.T. on December 15, 2014 
Math
Ryan left the science museum and drove south. Gabriella left three hours later driving 42 km/h faster in an effort to catch up to him. After two hours Gabriella finally caught up. Find Ryan's average speed
asked by Anonymous on April 28, 2014 
Trig
The angular speed of a point on a planet is 3pi/7 radian per hour. The equator lies on a circle of radius approximately 9000 miles. Find the linear velocity, in miles per hour, of a point on the equator.
asked by Erin on June 2, 2018 
Math
Use an addition or subtraction formula to write the expression as a trigonometric function of one number, and then find its exact value. (tan(π/2)+tan((2π)/3)) / (1tan(π/2)tan((2π)/3)) Answer=__________ Exact value answer=_________ ~Thank you.. I
asked by Shaun on November 15, 2010 
math
A factory finds out that on the average 20% of bolts produced by the given machine will be defective.if 10 bolts are selected at random from the day's production of this machine,find the probability that 1.exactly 2 will be defective. (this question is
asked by farahan on March 26, 2016 
Maths
A hand fan is made by stitching 6 equal size triangular strips of two different types. The dimensions of equal strips are 25cm, 25 cm and 14 cm.Find the area of each type of paper needed to make the hand fan.
asked by Neha on June 18, 2015 
calc
The base of a solid enclosed between the graphs of y = sinx and y= sinx from x=0 to x = pi . Each crosssection is perpendicular to the xaxis is a semicircle with the diameter connecting the two graphs . Find the volume of the solid. I know the definite
asked by Anonymous on April 8, 2019 
statistics
Suppose you have information that the average stress score of students in online universities is 13.15. Using Minitab, compute a onesample ttest to find out whether the stress scores reported by your sample are significantly different from those of the
asked by edna on December 9, 2014 
Math
Write a function that represents the situation. Find the balance A in the account after the given time period t. $2000 deposit that earns 5% annual interest compounded quarterly; 5 years A function is A= The balance of the account after 5 years is $_
asked by anon on March 22, 2016 
Algebra
Hello! Suppose that the price per unit in dollars of a cell phone production is modeled by p = $55 − 0.0125x, where x is in thousands of phones produced, and the revenue represented by thousands of dollars is R = x · p. Find the production level that
asked by Brooke on October 12, 2018 
Algebra
the angle of elevation from bottom to the top of the mountain has a measure of 60 degrees. suppose a ski lift to the top is 2000 feet long. how high is the mountain to the nearest feet? Am I suppose to find the sine of 60?
asked by Casey on April 8, 2013 
Calculus 3
Determine whether the lines intersect(have a common point) and if so, find the coordinates of that point? r(t) = < 4t+3, 4t + 2, 6t + 6>, for infinity < t < infinity R(s) = < s + 2, 3s  1, 4s + 10>, for infinity < t < infinity And if r and R describe
asked by Z32 on February 18, 2011 
business
I have a franchising assignment about Montana's in Canada. I need the slogan of Montana's. Some say it is, "For the love of meat". Some say it is, "Great food, warm atmosphere and fun... That's what you'll find when you step into any Montana's" some say it
asked by miller on September 13, 2014 
physics
the coefficient of restitution between the ball and the floor is 0.60 If the ball is drop from rest at the height of 6.6 m from the floor. Find a) what is the maximum height will the ball attain after the first bounce. b) how much kinetic energy is lost
asked by robert on February 21, 2011 
math
The cost of printing the first fifteen hundred copies of a book is $1500. It costs y dollars to print each subsequent copy. The cost of printing the first 7500 copies of the book is $7080. Find Y. Please explain how to solve it.
asked by jenny on November 25, 2014 
Math 12
A tree growing on a slope of 13 degree to the horizontal is 14m tall. Find the length of the shadow it casts up the hill when the sun is at an angle of elevation of 30 degree. (The shadow is cast directly up the slope by the sun)
asked by Jim on March 19, 2013 
phoenix
o Find a movie review in an online publication for a movie currently playing in theaters. Post the link to the review for the class and provide five examples of how the reviewer used adverbs and five examples of the use of adjectives. Has the reviewer used
asked by david on January 25, 2011 
chemistry
C2H4O(g) ¨ CH4(g) + CO(g) Find the rate law of C2H4O? The following kinetic data were observed for the reaction at 688 K. Initial Concentration of Ethylene Oxide Initial Rate Exp. 1: 0.00272 M 5.57 107 M/s Exp. 2: 0.00544 M 1.11 106 M/s
asked by Nagaa on January 22, 2011 
writing
Now that you've spotted the problems of shift of person and shift of number, revise the paragraph by removing these inconsistencies. Rewrite the paragraph, maintaining consistency by using first person plural when referring to the readers, and third person
asked by Anonymous on September 14, 2012 
MOLARITY QUESTION
I am trying to answer a bunch of lab questions about a lab I did and am stuck on finding the morality of the diluted vinegar solution? Can anyone help me? (I hope I gave enough info) Here where the lab procedures that I already went through: Transfer 10mls
asked by Gweedo8 on June 12, 2009 
chemistry
I am trying to answer a bunch of lab questions about a lab I did and am stuck on finding the morality of the diluted vinegar solution? Can anyone help me? (I hope I gave enough info) Here where the lab procedures that I already went through: Transfer 10mls
asked by Gweedo8 on June 12, 2009 
calculus
Show that the function f(x)=4x^3−15x^2+9x+8 satisfies the three hypotheses of Rolle’s theorem on the interval [0,3]. Then find the values of c on the interval [0,3] that are guaranteed by Rolle’s theorem. Give your answer as a set of values, e.g.,
asked by esma on October 6, 2010 
MATHS ASAP!!!!!
At the x axis, y is zero. So if the x intercept is (1,0) then (ya)^2=x + b (0a)^2=1 + b Now the vertex. (ya)^2=x +b (2a)^2= 0 + b or these two equations are.. a^2= 1+b or b= a^2  1 putting this into the second equation. 44a + a^2=a^21 solve for a,
asked by bobpursley on November 2, 2006 
math
a wire of 100cm is bent to from a squre. if a rectangle is formed with same wire having length 5cm more and breadth 5cm less than each side of the square find the difference between the area of the squre and rectangle
asked by vaidehi on March 29, 2013 
8th grade
Ryan left musuem and drove south. Gab left 3 hrs later driving 42 km/h to catch up to him. After 2 hrs gab finally caught up. find Ryan's averae speed?
asked by nancy on October 15, 2010 
Physics
The moment of inertia of an asteroid rotating about its own axis is 5.00 ! 10 4 kg"m2. Its angular velocity is 40.0 rad/s. If a force acts on the asteroid for 0.100 s, increasing the angular velocity to 48.0 rad/s, find its magnitude
asked by HELP on December 9, 2011 
Math
The rectangular coordinates of a point are given. Find two sets of polar coordinates for the point for 0 is less than or equal to Q is less than 2pi. (3,3) My answers were (3sqrt2, pi/4) and (pi/4, 3sqrt2). My teacher said that my answers have to be in
asked by Abbey(Please help) on May 5, 2010 
Math
A bag contains 3 red, 5 yellow, 2 green and 6 blue marbles. If one marble is chosen at random, replaced, and then a second marble is chosen at random, find the probability of obtaining 2 marbles of different colors.
asked by Bryan on January 22, 2014 
Math
Find the cell phone plan that has the best dollar per minute rate. A) 240 minutes for $50 a month B) 140 minutes for $70 a month C) 200 minutes for $45 a month D) 800 minutes for $250 a month
asked by Mehneedhalp on December 11, 2018 
Algebra II
Find the exact solution(s) of the system: (x^2/4)y^2=1 and x=y^2+1 Answer:(4,sqrt3),(4,sqrt3) 2)Write an equation for an ellipse if the endpoints of the major axis are at (8,1) and (8,1) and the endpoints of the minor axis are at (0,1) and (0,3).
asked by Lucy on April 26, 2008 
Math
The standard deviation of test scores on a certain achievement test Is 11.3. If a random sample of 81 students had a sample score of 74.6 , find a 90% confidence interval estimate for the average score of all students.
asked by Rami on August 20, 2014 
COLLEGE PHYSICS
Find the x and y coordinates of the center of gravity of a 4ft by 8ft uniform sheet of plywood with the upper right quadrant removed? with out mass of the plywood how do go about calculating the center gravity for x/y coordinates?
asked by natali on November 16, 2007 
science
A sample of certain mass of a gas was collected and it was found that the number of atoms and the nuber of molecules in the collected sample are equal.find this observation infer the type of molecules of the gas.
asked by saurav on February 2, 2015 
Physics
A proton is released from rest in a uniform electric field. After the proton has traveled a distance of 10.0 cm, its speed is 1.4 x 106 m/s in the positive x direction. Find the magnitude and direction of the electric field.
asked by Chloe on July 17, 2011 
PRE ALGEBRA
solution to electrical poles that carry electrical wire seem to get smaller the further away you are. Find the apparent height of each pole if the tallest pole is 50 feet tall and there is 100 feet between poles.
asked by BEV on January 23, 2014 
Calculus
The length l of a rectangle is decreasing at the rate of 3cm/sec, while its width w is increasing at the rate of 3cm/sec. Find the rates of change of the perimeter, and the length of one diagonal at the instant when l=15 and w=6.
asked by Lev on March 1, 2017 
chemistry  Molar enthalpy
When 10.0 g of KOH is added to 100.0 g water, the solution's temperature increases from (25.18 C) to (47.53 C). What is the molar enthalpy of solution for KOH? i tryed q=(m)x(c)x(delta T) didn't really work. i got 22.35 J do i use that to find the molar
asked by Rose Bud on February 29, 2012 
solid mensuration
A circle has an area equal to 25 pi sq.cm. Its diameter AB coincides with one of the sides of triangle ACB in which the vertex C lies on the circle. If the triangle has an area equal to 11 sq.cm, find its perimeter. Please include solution. Thanks.
asked by Cathy on December 1, 2012 
Physics
A 0.25 kg ball moving at 19.0 m/s is hit by a bat. The ball leaves the bat at a speed of 38 m/s in the opposite direction. If the bat is in contact with the ball for 0.01 s, find the magnitude of the average force exerted on the ball by the bat.
asked by kt on July 10, 2018 
physics
Two blocks of masses is m and 2m are held in the equilibrium on a frictionless incline. In terms of m and x, find the magnitude of the tension t1 in the upper cord and the magnitude of the tension t2 in the lower cord connecting two blocks.
asked by Maria on August 11, 2015 
Math
Manuela is having mugs made for a fundraiser. The cup company will make them for $4.50 each with no setup charges. Write and solve an equation to find how many mugs Manuela can have made for the two company prices to be the same. *** Please help :)******
asked by Anonymous on January 10, 2014 
Intro to Physics
The gravitational force exerted on a solid object is 5.15 N as measured when the object is suspended from a spring scale. When the suspended object is submerged in water, the scale reads 4.00 N. Find the density of the object.
asked by Amy on November 7, 2012 
Math
Ms. Snyder wants to buy a television at an electronics store. All televisions at the store are 3/4 of the original price, p. She has a $40 discount coupon she will use during the sale. What equation should Ms. Snyder use to find the final price, f, of a
asked by Jessi on February 25, 2009 
Math
a boy standing 70m away from a flag post observe that the angle of elevation of the top and bottom of a tower on top of the flag post are 57 and 69 degrees respectively. find the height of the tower
asked by Tundr on March 7, 2017 
geometry
Line segment AB with the length ais divided by points P and Q into three line segments: AP , PQ , and QB , such that AP = 2PQ = 2QB. Find: (1) The distance between point A and the midpoint of segment QB ; (2) The distance between the midpoints of the
asked by You reposted in the wrong neighborhood on September 15, 2019 
Statistics
You draw a card from a deck of 52 cards twice, each time replacing the card. Find the following probabilities (rounded to the nearest thousandths) of observing: a.) exactly 1 black card. P(1 black card)= b.) exactly 1 club. P(1 club)= c.) exactly 1 two.
asked by Keonn'a on October 13, 2018 
Math
The spinner is divided into equal parts. Use a tree diagram to find the probability that the spinner will land on a consonant the first time and a vowel the second time if the spinner is spun twice My spinner has 3 parts, N E and U A:2/3 B:2/9 C:3/4 D:5/9
asked by loli on June 8, 2018 
trustee government
hi where can i find more information about trustees that play a role in the congress. i already know the basic definition but i need to know what they do when it comes to the congress. do they hold property in the government or something Please post the
asked by david on December 6, 2006 
Algebra
The volume of a sphere is given by: V=4/3 pie r cubed. Use the formula, and show your workings, to find out what happens to the volume of a sphere if r is halved and r is trippled? Please help as this has just completly lost me, i end up with V = 4/3 Pie r
asked by StephanieNZ on March 21, 2010 
chemistry
we have a bag that can hold up to 775 ml. we have baking soda and 6 molar of hydrochloric acid. how can we find out how much baking soda and acid we need so that when they react, the gas will fill the bag up just enough so that it wont pop
asked by george on April 10, 2012 
Physics
A box of mass m = 0.20 kg slides across frictionless tabletop from rest, with 2.5 m/s2 acceleration. The length of the tabletop is L = 2.00 m and its height is H = 1.50 m. The box then slides off the edge and hits the floor at some distance away, Find the
asked by master on June 9, 2012 
Geometry
A person who is 5 feet, 6 inches (5.6 feet) tall casts a shadow (from N to S) that is 12 feet long. The distance along the ground from the person (N) to the flagpole (G) is 18 feet. Find the height of the flagpole (FG) showing all calculations.
asked by David on January 17, 2014 
Chemistry
Iron combines with oxygen and water from the air to form rust. If an iron nail were allowed to rust completely, one should find that the rust weighs: I know the answer is the rust should way more than the nail it came from but can someone explain why
asked by Jessica on January 17, 2014 
chemistry
Hydrogen and oxygen react according to the equation: 2H2 + O2 > 2H2O. According to Avogadro's law, how many liters of hydrogen are required to react with 2.0 L of oxygen at STP? How do you set this equation up and find the answer???
asked by Jen on March 28, 2010 
math
write a five digit number(s) that fits each description. use only the digits that the athletes are wearing. use each digit only once in each answer. The digits on athletes are: 4,1,8,3,6 find all of the numbers with a 4 in the ones place and 8 in the ten
asked by John Dosley on December 11, 2013 
algebra
find the theoretical probability of each outcome. 1. randomly choosing a day of the week and it is a weekend 4. randomly choosing the letter N from the letters in NUMBER 11. the probability of a thunderstorm is 80%. what are the odds that there will be a
asked by s on April 25, 2013 
math
The students in Mr. Stevens class are having a turtle race. The race will last 2 minutes. Find the distance from the start each turtle will be at the of the race.Rex 1/6 speed (in inches per second).Whatwas the distance at the end of the race.
asked by ttuuffyy on April 10, 2013
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