
PHYSICS
A 287kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.810, and the log has an
asked by STEPHANIE on September 30, 2010 
algebra
a large group of students want to go to the movies. if the students take 3 vans and 1 car they can transport 22 people. if they take 2 vans and 4 cars. they can transport 28 people.write and solve a system of equations to find the number of people that can
asked by kayla on December 4, 2012 
Physics
A dentist's drill starts from rest. After 3.30 s of constant angular acceleration it turns at a rate of 2.1 104 rev/min. (a) Find the drill's angular acceleration. rad/s2 (b) Determine the angle (in radians) through which the drill rotates during this
asked by Allie on October 6, 2011 
Physics
A table is supported against a wall forming an angle with the vertical. The coefficient of static friction between the table and the floor is (μe). The frictional force of the wall on the board may be neglected. Find an expression for the maximum value
asked by Karen on December 13, 2016 
Math
While flying a pilot spots a water tower that is 4.8km away to the north. At the same time, she also sees a monument that is 5.6km away to the south. The tower and the monument are separated by a distance of 7 km along the flat ground. Find the angles at
asked by Applications on June 3, 2019 
World Literature
For an essay, I'm using the quote “One Ring to rule them all, One Ring to find them, One Ring to bring them all and in the darkness bind them” (The Fellowship of the Ring, page#). I'm not sure what to put for the page number because the quote is in the
asked by Kate on September 20, 2007 
Physics
A 260kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.870, and the log has an
asked by Natasha on February 21, 2012 
Math
Let f(t)=2t^42x^29. at what x does f have a local or absolute minimum or maximum? I think the question is wrong bcus it is impossible to to have 2 unknown to find the relative max or min...right? Sorry if im wrong. So i change it to f(x)=2x^42x^29 so
asked by Ifi on October 28, 2012 
Physics
A trapeze artist of mass m swings on a rope of Length L. Initially, the trapeze artist is at rest and the rope makes an angle theta with the vertical. a) Find the tension in the rope when it is vertical. Why does your result for part a depend on L in the
asked by Sandhya on November 23, 2008 
Calc.
1000 yds of fence x 1000x 1. Show that the area function to be maximized is A(x) = ( pi + 4 / 16pi) x^2125x+62500 2. Show that the critical point of A(x) is x=1000pi/pi+4 3. 1000yds of fencing and y>2r, find the values of r and y that maximizes the area
asked by Al on April 18, 2012 
Maths
A hollow cone of base radius 10cm and height 10cm is held with its vertex downwards. The cone is initially empty when water is poured into it at the rate of (4pie) cm^3/s. Find the rate of increase in the depth of the water in the cone 18 second after
asked by Peirs on March 14, 2018 
Intro to computers
You have created a worksheet documenting sales over every quarter since the start of your company. Each column represents a quarter and each row represents a product you sell. Each cell contains the sales generated for that product. You want to find the
asked by Anonymous on May 29, 2016 
Psychology
I have to write an essay on a psychology concept and I was thinking about writing my essay on the concept of conformity. However, my professor prefers that we use media examples that occurred after the 28th of January. This example is to be used to explain
asked by Sally on April 16, 2018 
Physics
A 255 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.870, and the log has an
asked by Milica Bobic on November 7, 2011 
Physics
The particles in the figure below (m1=1.6 kg and m2=3.5 kg) undergo an elastic collision in one dimension. Their velocities before the collision are v1i=12 m/s and v2i=7.5 m/s. Find the velocities of the two particles after the collision. (Indicate the
asked by David on October 27, 2012 
Chem
Consider the reaction: A(g)⇌2B(g) Find the equilibrium partial pressures of A and B for each of the different values of Kp. Assume that the initial partial pressure of B in each case is 1.0 atm and that the initial partial pressure of A is 0.0 atm. Make
asked by Chris on May 15, 2015 
health care
Where can I find an example of this assignment? I know what the pluralistic and elitist perspective are but I do not know what the matrix is supposed to look like. Please help the instructor has not answered my question. Create a matrix between the
asked by Mary on September 8, 2013 
Physics
The drawing shows a person (weight W = 592 N, L1 = 0.841 m, L2 = 0.410 m) doing pushups. Find the normal force exerted by the floor on each hand and each foot, assuming that the person holds this position. force on each hand N force on each foot N
asked by Robinson on April 4, 2008 
science
A mass 'm'is atached to one of an unstreched spring,spring constant k,at time t=0 the free end of the spring experiences a constant acceleration'a',away from the mass. Using the Laplace transformations, a)Find the position 'x' of 'm' as a function of time.
asked by vijaya on July 31, 2008 
Social Studies
Explain the Rights and Duties of A Group of Citizens, Tell of Their Civil Rights Compare Those Civil Rights to Those of U.S. Citizens  i dun know what country to do.. if u have ne ideas plz help. If u suggest plz give me website where i can find info its
asked by Dee on May 28, 2008 
Physics
A boy pulls a sled with a force of 40 N on a rope 2.5 meters long. The end that he holds is 1.5 meters higher than the end attached to the sled. What is the magnitude of the horizontal component that acts to pull the sled forward? (First find the angle of
asked by Kathy on September 25, 2011 
Analytical CHM Lab
I am filling out my neutralization titration data sheet and i did not understand how to find buret correction (ml) and corrected volume(ml) and Molarity of NaOH without buret correction and as well as with buret correction. in the lab we have used 50 ml of
asked by Jessy on September 19, 2014 
Language arts
Today in L.A we had to read an article about Mark Mcgwire who used steroids in baseball. As we read we had to come up with a question and answer it fir home work which is due Tuesday. My question " How did Mark Mcwire get hurt in the Mid 1990s?" Can
asked by Anonymous on January 17, 2014 
Physics
A 260kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.870, and the log has an
asked by Natasha on February 21, 2012 
Science
A 25 l partially filled weather balloon has a volume of 11 L at sea level where the pressure is 1 atm. It rises to an altitude of 6.096km (20,000 feet) where the pressure is only .48 atm. What is the resulting volume? At what pressure would it burst? Use
asked by Rich on October 31, 2015 
math
solve each equation for 0=/
asked by sh on February 15, 2009 
physics help me
A spring is hung from the ceiling. A 0.300 kg block is then attached to the free end of the spring. When released from rest, the block drops 0.170 m before momentarily coming to rest. (a) What is the spring constant of the spring? (b) Find the angular
asked by steve on November 16, 2010 
Physics
Electrons in a beam incident on a crystal at an angle of 30ͦ have kinetic energies ranging from zero to a maximum of 5500 eV. The crystal has a grating space d=0.5 Aͦ, and the reflected electrons are passed through a slit .Find the velocities of the
asked by Abby on April 7, 2011 
Biology
Two samples of DNA have the same melting point and density. Does this prove that they are from the same species? Explain clearly and back up your reasons. I read in my notes and all it said was that DNA species isolated from different organisms have
asked by Lilah on January 28, 2009 
Physics
A 201kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.810, and the log has an
asked by Anonymous on October 31, 2012 
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
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 
Algebra
3. There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7 times in 10 selections. Show your
asked by Liz on April 27, 2012 
Physics
a block of mass 2kg moves on a frictionless inline (none of the forces on the block are shown). its initial velocity is v initial=3m/s, and it slides a vertical distance h=10m up the slope and its final velocity is v final=2m/s. find the external work done
asked by S on February 25, 2016 
physics
A 190kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 32.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.876, and the log has an
asked by Natasha on March 11, 2012 
Calculus
Sand is being dumped from a conveyor belt at a rate of 20 cubic ft/min into a pile the shape of an inverted come whose diameter and height are always the same. (a) Find the rate of increase of the height when the pile is 10ft high. This is a 2 part
asked by Nathaniel on November 28, 2011 
Physics
Electrons in a beam incident on a crystal at an angle of 30ͦ have kinetic energies ranging from zero to a maximum of 5500 eV. The crystal has a grating space d=0.5 Aͦ, and the reflected electrons are passed through a slit .Find the velocities of the
asked by Vanda on April 8, 2011 
ALGERBRA 2
rosalyn works no more than 25 hours a week during the school year. she is paid $12 an hour for tutoring geometry and $8 an hour for delivering pizzas for Pizza King. she wants to spend at least 2 hours but no more than 7 hours a week tutoring. find
asked by faith on October 20, 2011 
Chemistry
0.5g of MG ribbon is reacted with 100ml of 1M HCL. The initial temperature of HCL is 20.4 degrees celsius. After the reaction the highest recorded temperature is 40.7 degrees celsius. Calculate the molar enthalpy of MG. I tried to find mol from HCl and
asked by Jacob on October 17, 2016 
physics
Using a rope, a child pulls a box across a rough floor at a constant speed. The tension in the rope is 105 N and the rope makes an angle of 37 degrees with the horizontal. Find the friction force acting on the box (due to the rough floor).
asked by tara on June 9, 2015 
physics
a ball is thrown horizontally from the top of a building 35m. high. the ball strikes the ground at a point 80m from the base of the building. a. find the time the ball is in flight b. its initial velocity c. the x and y components of velocity just before
asked by Anonymous on August 27, 2015 
physics
1 junction of a thermocouple is kept in melting ice and the other in boilin H20.The readin of currnt on a micro ammeter is 96mA.The micro ammetr reads 60mA when the hot junction is immersed in hot H2O.Find the temperature of the hot H20
asked by Luc on March 27, 2012 
maths
The total population of the earth was estimated to be 6.42 billion people.Given that the total land surface area of the earth is about 1.5×10^8km^2.Find the average number of people living in 1 km^2 of land on earth,correct to 2 significant figures.Thanks
asked by ashley on January 11, 2014 
physics
a car is approaching a traffic light at 25m/s when it turns red. The driver takes 1 second to react and put his foot on the brake pedal, after which the car decelerates at 2m/s^2. find the distance needed for the car to come to stop after the light turns
asked by Keith on January 25, 2011 
Help on my math question
A $2,000 deposit at an APR of 5.4% with quarterly compounding for 8 years. The amount after 8 years ?? I need to find what the amount would be after 8 years please help This not Dave my name is Tommy I don't even know who Dave is and I'm sorry if you think
asked by Tommy on January 27, 2013 
AP Physics
A 239kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 29.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.800, and the log has an
asked by Corey on November 13, 2008 
B
suppose that the total cost function for a manufacturer is C=100+X^2 where x represents the weekly production of widgets. if production is increasing at the rate of 500 calculators per week, when production output is 6000 calculators. find the rate of
asked by Alcina on May 8, 2016 
Algebra 2
Completing the square method allows you to solve any quadratic equation. For each of the following determine what number completes the square. I cannot find my notes on completing the square, can someone please help with these two problems? 1. x^2+8x 2.
asked by Christian on May 21, 2007 
physics please help
A spring is hung from the ceiling. A 0.300 kg block is then attached to the free end of the spring. When released from rest, the block drops 0.170 m before momentarily coming to rest. (a) What is the spring constant of the spring? (b) Find the angular
asked by john on November 15, 2010 
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 
Math
The towns highway department marks a new road with reflective markers. The road is 6 3/4 miles in length. The markers ar expanded every eighth 1/8 mile of a mile. A. What is a division problem to find how many markers ar installed B. Solve the problem C.
asked by James (PLEASE ANSWER) on October 14, 2016 
Physics urgent!!!!
Electrons in a beam incident on a crystal at an angle of 30ͦ have kinetic energies ranging from zero to a maximum of 5500 eV. The crystal has a grating space d=0.5 Aͦ, and the reflected electrons are passed through a slit .Find the velocities of the
asked by Vanda on April 8, 2011 
Physics
A rollercoaster car starts at rest on top of a frictionless hill of height 17 m, slides down to ground level, and then into a frictionless loop of radius 5 m. When the car is at the side of the loop (level with the center), find the magnitude of the car's
asked by natalia on November 6, 2009 
Math
Tina had no money until she received her pay from her boss. Afterward, she spent 7.50 dollars on food every day from Monday through friday. She spent 30 dollars on clothes and 25 dollars to repair her bike. If she had 40.50 left over what would be a
asked by Mark on November 15, 2010 
statistics
the weights of shells follow a normal distribution. a random sample of 12 hybrid shells a a mean weight of 1.7 pounds with standard deviation 0.24 pounds. Find a 95 % confidence interval level for the mean weight if the fall catch is within 0.1 pounds of
asked by Lost37 on March 21, 2013 
Chemistry
37.5 g of Fe2O3 is added to 240 cm^3 of HCl. The reaction occurs according to equation : 6HCl + Fe2O3 > 2FeCl + 3H2O At the end of reaction, 5.5 g of Fe2O3 remain unreacted. Find A) calculate the molarity of HCl used B) calculate the mass of FeCl3
asked by Lilo on June 28, 2014 
math 111
The overhead or fixed cost for the company is 1,000 per week. In addition, the cost of manufacturing each boat costs$200. Find an equation C=f(x) for the total cost per week where x is the number of boats manufactured in a week. b) Graph the total cost
asked by tbcc on July 3, 2013 
math
Thirteen bowlers were asked what their score was on their last game. The scores are shown below. 190, 150, 154, 194, 182, 190, 170, 151, 190, 170, 178, 161, 180 Find the range of the bowlers’ scores.
asked by Anon on February 27, 2016 
derivative am i right or wrong
what is the antiderivative of 1/(x^22x+2)? does antiderivative mean find the derivative of the function or integrate it. is the answer ln(x^22x+2) or is2(x^22x+2)^2. These are part of the multiple choices. antiderivative is the integral. so would the
asked by david on December 9, 2006 
Maths
For the transformation w=z^2, find the locus of w when z lies on the imaginary axis. I thought the locus would be a line along the real axis as I thought w= r^2 or r^2 but the book says it has argument pi which would mean only on the negative real axis ie
asked by Jake on February 24, 2007 
math
the charge for telephone call ,t,partly constant and partly varies with the number n of call. the bill for 420 units of call is 806,while the bill for 200units is 410 A)calculate the charge for 460 unit of electricity B)find a formula for T
asked by moshoodibrahim on August 30, 2018 
Chemistry
Calculate the molarity of the nitrate ion in a 0.111 M solution of calcium nitrate? so would I have to find the number of moles of (NO3)2 and then divide it by the 0.111 M to get the molarity of the nitrate ion I am so confused please explain the set up I
asked by Amber on March 22, 2013 
Calculus
The Earth's orbit is an ellipse with the sun at one focus. The length of the major axi is 186,000,000 miles and the accentricity is 0.0167. Find the distance from the ends of the major axis to the sun. These are the greatest and least distances from the
asked by Hannah on August 5, 2019 
algebra1please look over THANK YOU
Mary is making a pinata that has a balllike 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 
bearings
PQRS are four locations on the same horizontal plane Q is an bearing of 041 degree from P and the distance is 40km,S is 28km from R on a bearing 074 degree, R is directly due north of P and the distant between Q and R is 38km. Find to the nearest whole
asked by Anonymous on January 13, 2017 
physics
The lightbulb in the circuit shown in the figure has a resistance of 14 Ω and consumes 4.2 W of power; the rod is 1.18 m long and moves to the left with a constant speed of 2.9 m/s . The strength of the magnetic field is 2.2 T . Find the current that
asked by jacob on April 8, 2016 
Physics
A 221kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 27.7° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.811, and the log has an
asked by BrookeNeed on October 10, 2016 
physics
A bicycle has wheels with a diameter of 0.570 m. It accelerates uniformly and the rate of rotation of its wheels increases from 181 rpm to 260 rpm in a time of 19.9 s. Find the linear acceleration of the bicycle. i tried converting everything to linear to
asked by tessa on February 21, 2015 
Physics
Take the radius of the earth at the equator to be 6380 km a. Find the speed the speed of an object at the equator due to the earth's rotation. ___m/s b. Convert this speed to miles/hour (show your conversion factor in your written backup). __miles/hour
asked by Sam on March 5, 2012 
yr 9 ict
for ICT i need to answer these questions about Copyright designs and patent act: . when did this act come into being? 1988 . find a definition of the Act .list three ICT and three nonIct things that are covered by this Act . what penalties can you face
asked by Lou on September 26, 2009 
phy
A 221kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 27.7° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.811, and the log has an
asked by BrookeNeed on October 10, 2016 
Physics
A 160g stone, tied to a thread, swings in a horizontal circle with a 100 cm diameter. if the maximum tension the thread can withstand before snapping is 28 N, find the A) Maximum speed of the stone B) Acceleration of the stone at this speed. I solved A
asked by mack on November 19, 2011 
English
Do you know of any website that has important quotes from poems? because I have tried searching on google for like important quotes from "The World is Too Much With Us" but I can't find any and sparknotes doesn't have important quotes for poems just
asked by rebekah on December 18, 2011 
Math,Ratio
a wire is bent into a rectangle.the ratio of the length of the rectangle to its breadth is 9:5.if the total length of the wire is 84cm,find the area of the rectangle formed by the wire
asked by Da S on December 30, 2011 
Geometry
I need help with vertices! The vertices of triangle FGH are F(1,1), G(3,5),H(6,0). Find the coordinates of the vertices after a refelection over the yaxis. I'm not sure how to do this. Is there a certain formula I need to know? The reflection across the
asked by Madi on September 13, 2006 
math
A woman added 376 ml of liquid gasoline additive to the 17.4L of gasoline in her car's tank. Find the total amount of liquid in the tank. There are now _L of liquid in the tank.
asked by Lex on November 29, 2014 
Algebra
1.The coordinates of rectangle ABCD are A(2, 2), B(2, 5), C(6, 5), and D(6, 2). Using rectangle ABCD, find the coordinates of the rectangle that results when the center of dilation is the origin and ABCD is dilated by a scale factor of 3.
asked by Darth on March 9, 2017 
math (PLZ HELP ASAP)
a dad has two daughters – Wendy and Julia. Wendy is twice as old as Julia. The man is now five times as old as Wendy, and in 4 years he will be six times as old as Julia. Find the present age of the father.
asked by Anonymous on May 11, 2016 
Math
In a twodigit number ,the digit at the units place is douale the digit in the tens place. The number exceeds the sum of digits by18.find the number.
asked by Krishna v on July 23, 2016 
trigonometry
a lighthouse A bears N 36 degree 20 minutes E at a ship S. after sailing 2.75 km in the direction N 78 degree 50 minutes E to point T, the bearing of the lighthouse becomes N 8 degree 30 minutes E. find the distance from A to T.
asked by frances on March 22, 2017 
Probability
A loaded die has the property that the probability of throwing an odd number is three time the probability of throwing an even number. If the even number are equally likely to appear, find the probability of rolling either a 3 or a 6.
asked by A loaded die on June 10, 2013 
Maths
Eq of curve is y=b sin^2(pi.x/a). Find mean value for part of curve where x lies between b and a. I have gone thus far y=b[1cos(2pi x/a)/2]/2 Integral y from a to b=b/2(ba)ab/4pi[sin(2pi b/a)sin2pi) MV=b/2[ab sin(2pi b/a)]/(ba) Ans given is b/a. I
asked by MS on September 4, 2013 
Algebra
How do I find the cost of a cell phone plan if I use 400 daytimme minutes. is it the cost times the minutes plus contracts if any or just cost times the minutes. Please help me!
asked by Tracy on March 10, 2015 
Algebra
A coaxial cable 10 feet long is cut into two pieces such that the length of one piece is twothirds of the length of the other piece. Find the length of the shorter piece of cable.
asked by Mary on September 25, 2016 
Mathematics
the perimeter of a rectangular field is 140m. If the length is increased by 15m and the breadth is decreased by 5m, the length will become 3 time the breadth. find the length and breadth of the field.
asked by Toni on April 15, 2013 
math
If the variance of a light bulb is 400 and the mean lifetime of a light bulb is 600 hours. find the probablity of a light bulb lasting at most 622 hours
asked by Jessica on February 28, 2017 
Algebra
Dylan has $2.30 in dimes and nickels. The dimes exceed nickels by 5. Find the# of each kind. let x= nickels= Let x+5= dimes= 2.3=(.05)x+(.10)x+5 2.3= .05x+.10x+5.1 2.3=.15x+5.1 2.8= .15x 18.666666666repeating=x what did i do wrong?
asked by anonymous on October 27, 2007 
algebra
use substitution to solve the linear system 3x+2y=5 4x3y=16 help plz!!! Solve for y in one formula, and then substitute that value for y in the other formula to solve for x. Once you find x, substitute that value into either formula to get the value for
asked by kerry on March 7, 2007 
Estimation decimal quotient
Use compatible numbers to find the each quotient ,2.90 divided by 29,48 divided by 3.2, 0.18 divided by 0.33,152 divided by 5.12,41.9 divided by 19,33.90 divided by 10.2, 502 divided by 9.5, 180.8 divided by 6 , 48 divided by 3.33, 0.65 divided by 5.1,18.2
asked by Juliet on October 19, 2014 
trig
A boat is 23 mi due west of lighthouse A. Lighthouse B is 14 mi due north of lighthousenA. Find the bearing of lighthouse B from the boat and the distance from lighthousenB tho the boat.
asked by Pcwest on September 24, 2012 
nath
The formula, Total price=Unit price x Number of units, is used to find the total price of the product. The formula can be written in symbols as T=UN. Solve the formula for U.
asked by Francine on September 8, 2013 
math
About 310 000 t of Alantic cod were caught in 1991. In 2001, the mass of cod caught was 87 percent less. How much cod was caught in 2001 ? and how do you find the answer?
asked by caitlin on June 15, 2010 
Math
One number is 10 less than twice a second number. Find a pair of such numbers so that their product is as small as possible. These two numbers are_ and _. (Use a comma to separate your numbers.) The smallest possible product is_. The number are NOT 5,15 or
asked by Barb on March 12, 2016 
trig
A boat is 23 mi due west of lighthouse A. Lighthouse B is 14 mi due north of lighthousenA. Find the bearing of lighthouse B from the boat and the distance from lighthousenB tho the boat.
asked by Pcwest on September 24, 2012 
physics
help! Two charges A and B are fixed in place, at different distances from a certain spot. At this spot the potentials due to the two charges are equal. Charge A is 0.22 m from the spot, while charge B is 0.54 m from it. Find the ratio qB/qA of the charges.
asked by alex on October 11, 2012 
Algebra
Airplane A travels 1400 km at a certain speed. Plane B travels 1000 km at a speed 50 km divided by h faster than plane A in 3 hrs less time. Find the speed of each plane.
asked by Rebel on April 15, 2016 
health
How do you make minigoals measurable? A. Find as many different ways to monitor your progress as you can B. Measure your progress in concrete ways C. Choose appropriate ways to measure your progress D. All of the above Is it D?
asked by vickie on September 3, 2013 
Math
joe is x years old and is 25 year older than his son Brian who is y years old. the sum of their age is 49. a. find joe age now. b. brians age in 5 years time.
asked by correa on September 8, 2015 
math
A rectangular parallelepiped whose base is 12 by 20 is inscribed in a sphere of diameter 25. Find the volume of the part of the sphere outside of the parallelepiped. How would I do this, is the diagonal of the parallelepiped the diameter of the sphere? PLS
asked by anonymous on June 9, 2019 
Math
the perimeter of a rectangular field is 140m. If the length is increased by 15m and breadth is decrease by 5m, the length will become 3 times the breadth. Find the length of breadth of the field.
asked by joe on March 28, 2013
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