
Geometry
The altitude to the hypotenuse of a right triangle ABC divides the hypotenuse into 12mm and 16mm segments. Find the lengths of each of the following. A. The altitude to the hypotenuse B. The shorter leg of angle ABC C. The longer leg of angle ABC
asked by George on September 30, 2013 
Algebra
40 =15 x x  20 This is a three part question>> first find the lcd method of solving this equations, and the second ones about crossmultiplying method to solve this equations ,The next question asked would the cross multiplying method work for all
asked by JERSEYGIRL on December 4, 2011 
Word problem
If the width of a window is (x+7) inches and the length of the window is (x+9) inches, give the expression which represents the area of the window. Use the formula area=base.height. If x=8 inches, find the area of the window using the expression you found
asked by Jared on May 13, 2016 
Physics
A 50 ohm resistor consists of a copper portion joined to carbon portion, the resistance of the resistor being the sum of the resistance for 2 portions. Find the resistance of the copper portion of the resistor so that the combined resistance will be
asked by Mycah on February 19, 2017 
Physics
A car travels 20.2 km due north and then 31.3 km in a direction φ = 61.2◦ west of north. Find the magnitude of the car’s resultant displacement. Then Calculate the direction of the car’s resultant displacement, measured counterclockwise from the
asked by Aurora on January 28, 2013 
Consumer math
John Davis makes $9.75 an hour. He works four hours on Monday, six hours on Tuesday, five hours on Wednesday, five hours on Thursday, and seven hours on Friday. What is his gross pay? A. $132.70 B. $174.20 C. $269.98 D. $263.25 I would
asked by sonny on January 14, 2015 
english
Michael Ondaantje, author of The English Patient, and author Ernest Hemmingway who wrote A Farewell to Arms take the readers to a whole new journey set in the tragic time of war filled with stories of love and pain and loyalty and how each feeling plays an
asked by Anonymous on July 31, 2006 
Physics
A helicopter above the ground is descending at 3.5 m/s. It drops a package from rest(relative to the helicopter). Just before it hits the ground the package is falling at a rate of 13.4 m/s relative to the ground. Find the velocity of the package relative
asked by Helga on August 27, 2018 
calculus please help!
Which of the following functions f has a removable discontinuity at a? If the discontinuity is removable, find a function g that agrees with f for x a and is continuous at a. (If the discontinuity is not removable, enter NONE.) 1. f(x)= (x^41)/(x1), a=1
asked by Terry on September 3, 2010 
mathsurgently needed
Rana bought 500 shares of HCL at a rate that yielded him 20 % return on a 24%, Rs 350 share. Later on , the company issued a bonus share for every 10 shares held. When the market price was Rs 480 he sold all the shares and invested the proceeds in buying
asked by anoynomous on May 5, 2013 
geography
1. The mouth of the Parana River is located in Argentina. In what country can its source be found? Brazil 2. In what ocean do 20 degrees S latitude and 80 degrees E longitude intersect? The Indian Ocean 3. Land formed by soil deposited at the mouth of a
asked by Reed on January 21, 2012 
Statistics / Math
If a student is chosen at random, find the probability of getting someone who is a man or a nonsmoker. Round your answer to three decimal places. ********non***regular heavy total man*****135*****64******5*****204 women***187****21*******9*****217
asked by Sam on February 26, 2008 
maths
Rana bought 500 shares of HCL at a rate that yielded him 20 % return on a 24%, Rs 350 share. Later on , the company issued a bonus share for every 10 shares held. When the market price was Rs 480 he sold all the shares and invested the proceeds in buying
asked by anoynomous on May 4, 2013 
PHYSICS
A man holds a 178N ball in his hand, with the forearm horizontal. He can support the ball in this position because of the flexor muscle force M, which is applied perpendicular to the forearm. The forearm weighs 22 N and has a center of gravity as
asked by Eissa on January 10, 2011 
PHYSICS
To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest. The belt is a 200turn coil. When the patient inhales, the area encircled by the coil increases by 45.0 cm2. The magnitude of the Earth's magnetic field is
asked by MR. GEE on November 14, 2013 
mathsurgently needed
Rana bought 500 shares of HCL at a rate that yielded him 20 % return on a 24%, Rs 350 share. Later on , the company issued a bonus share for every 10 shares held. When the market price was Rs 480 he sold all the shares and invested the proceeds in buying
asked by anoynomous on May 4, 2013 
Art
A golden pendant from an ancient world was once used to drive away evil sprits. This pendant is found by treasure hunter thousands of years later, who sells the object to the highest bidder. This chain of events is an example of? How the value of an
asked by LOVE on March 9, 2016 
To ?  English
Q.Each line contains a mistake and error>Find error and replace it with suitable words>>> Bernard Shaw or Chesterton were known to having jokes at each other‟s expense. Once they faces one other in a corridor. Chesterton stood her ground and firmly said,
asked by Writeacher on September 8, 2013 
English
I need you to check the question and my answer to it. Shall I include more details in the question? In sentences 3 and 5 I don't know which connectors to use (to express a contrast between two different concepts). How can't find a suitable verb to finish
asked by Henry2 on June 26, 2011 
Math
Q1. Given that Angle OUR is congruent to Angle PUN and Angle OUR =2x+5,Angle RUN=4x2 and Angle PUT= x+32,find the measure of Angle PUN Q2. Given that Angle TUN and Angle PUN are complementary angles and Abgle OUR = 4
asked by Anna on August 23, 2017 
Math
Q1. Given that Angle OUR is congruent to Angle PUN and Angle OUR =2x+5,Angle RUN=4x2 and Angle PUT= x+32,find the measure of Angle PUN Q2. Given that Angle TUN and Angle PUN are complementary angles and Abgle OUR = 4
asked by Anna on August 23, 2017 
Math
The table below shows the relationship between the number of dozens and the number of cookies Number of dozens Number of cookies 5 60 7 84 9 108 1 132 Which equation could be used to find n, the number of cookies in d, the number of dozens A.n=10d B.n=d/10
asked by Jerald on April 3, 2013 
Math
In a book store 60 identical books occupied a length of 1.5 meter on a shelf , find the length occupied by 50 such books on a shelf the no of such books needed to completely occupied a shelf that is 80 cm long?
asked by ABDUL ARHUM on September 9, 2019 
Calculus
A rectangular beam is cut from a cylindrical log of radius 30 cm. The strength of a beam of width w and height h is proportional to wh^2. Find the width and height of the beam of maximum strength. Is the width 45 and the height 20.
asked by George on October 26, 2008 
College Algebra
A local road has a grade of 4%. The grade of a road is its slope expressed as a percent. a. Find the slope of the road as a fraction and then simplify the fraction. b. What rise and run would reflect this slope or grade?
asked by Anonymous on September 10, 2017 
math
From two holes atop a covered aquarium certain amount of water can evaporate in 6 minutes,however one hole takes 5 minutes more two evaporate the same amount of water than the other.find the time taken by each whole to evaporate the same amount of water?
asked by wanderer on February 22, 2016 
physics
you walk west for 52 m, then you walk 33.2° north of west for 44 m, and finally you walk due north for 25 m. Find the components of your final displacement, from your initial to final point, along the north and west directions.
asked by gloria on May 21, 2015 
managerial economics
2. Decide whether the following product is normal, inferior, or luxury. Explain how you can find that? a. Income increases by 20% and quantity decreases by 30% b. Income decreases by 20% and quantity decreases by 30 % c. Income decreases by 20% and
asked by Mishal Almandhour on July 1, 2010 
geometry
Rays PQ and QR are perpindicular. Point S lies i the interior of angle PQR. If the measure of the angle SQR=4+7a and the measure of angle SQR=9=4a, find the measure of angle of PQS and angle SQR.
asked by Jack on September 12, 2012 
Statistics
A box contains 7 pieces of candy: 1 green, 1 blue, and 5 red. You select one piece at random. Find the following probabilities: a.) P(green or red ) = 5/71/7=4/7 b.) P(green and red ) =6/7 c.) P (green or blue ) = 1/71/7=7 d.) P(not(green or blue) )
asked by Keonn'a on October 9, 2018 
Math
A box contains 7 pieces of candy: 1 green, 1 blue, and 5 red. You select one piece at random. Find the following probabilities. a.) P ( P(green or red ) = b.) P ( P(green and red ) c.) P ( P(green or blue ) = d.) P ( P(not(green or blue) ) =
asked by Keonn'a on October 9, 2018 
Algebra
The perimeter of a triangle is 126 inches. The longest side is 7 inches longer than the shortest side. The shortest side is 2 inches less than remaining side. Find the length of the shortest side.
asked by Juanita on March 7, 2017 
Math
The distance a spring stretches is directly proportional to the force applied to the spring. A 4lb weight stretches a spring 20 in. A 16lb weight stretches a spring 26 in. Find the length of the spring with no weight attached.
asked by Chase on May 4, 2011 
math
Can I please get my answers double checked? True or False 1. The tangent function is used to find the angel between two vectors. True 2. If two vectors are orthogonal, then their dot product is 1. False 3. The length of the projected vector is always
asked by mysterychicken on June 17, 2013 
Trigonometry
The diameter of the wheel is 165 feet, it rotates at 1.5 revolutions per minute, and the bottom of the wheel is 9 feet above the ground. Find an equation that gives a passenger's height above the ground at any time t during the ride. Assume the passenger
asked by Anonymous on July 18, 2013 
statistic
You draw a random sample of 300 employee records from the personnel file and find that the average years of service per employee is 6.3, with a standard deviation of 3.0 years. a. What percentage of the workers would you expect to have more than 9.3 years
asked by carp; on May 11, 2010 
Physics
A projectile is fired from a height of h meters at a speed of 55m/s and at an angle of 10 degrees above the horizontal. The projectile hits a target at a horizontal distance of 80m from where it was fired and at a vertical height of 1.2m. Find the time for
asked by James on December 10, 2015 
Physics
A plane directly east at a velocity of 860 km/h for 45 min and then travels directly west with a velocity of 720 km/h for 1h and 30 min. Find the following values for this plane, expressed in km and km/h: a) Total displacement b) Total distance c) Average
asked by Student12 on March 16, 2017 
Chem
Am I doing this right? Find the concentration of the phosphate ion. 1.00 mL 210 micro molar. DI water added to 25 ml line. 1.00 mL phosphate solution * 1L/1000mL * 210 mol phosphate solution/1L solution * 1.0 *10^6 mol/ 1 micromol * 1 mol PO4 3 / 1 mol
asked by Allie on March 8, 2018 
Chemistry
i need to find the; [Cl] in PbCl2 solution,[Pb2+] in PbCl2 solution, and the ksp given: PbCl2(s)> Pb2+(aq)+2Cl(aq) Temp of solution =20.2 volume of Pbcl2 solution=25.00ml mass of dry AgCl2(g)=0.2543g #moles : AgCl(s)=1.77e3 Cl(aq)=1.77e3 Pb2+(aq)=
asked by Anthony on April 26, 2010 
statistics
In a sample of 200 people, 154 said they watched educational television. Find the 90% confidence interval of the true proportion of people who watch educational television. If the television company wanted to publicize the proportion of viewers, do you
asked by Tessa on November 23, 2012 
statistics
Twelve college students were surveyed about the distance from their house to the college they attended. 12 18 54 13 15 24 8 5 14 27 1 20 1. Using the data set above, find the percentile ranking for the data point 24. 2. Using the data set above, what
asked by anoneemose on January 19, 2013 
Calculus
Find the rectangle of largest area that can be inscribed in a semicircle of radius R, assuming that one side of the rectangle lies on the diameter of the semicircle. NOTE: Let L denote the length of the side that lies on the diameter and H denote the
asked by John on November 7, 2011 
Statistics
In a sample of 200 people, 154 said they watched educational television. Find the 90% confidence interval of the true proportion of people who watch educational television. If the television company wanted to publicize the proportion of viewers, do you
asked by Ale on April 22, 2015 
Math
A machine produces items of which 10% are defective. At the end of each hour, a sample of n items is inspected. If it contains no defectives, the machine is allowed to run for another hour, otherwise the machine is stopped. Find the minimum value of n if
asked by Desperate student on September 13, 2016 
Ap Calc AB
Find the equation of the line normal to the curve at (0,0). (Normal lines are perpendicular to the tangent lines) 2y + sinx = xcoxy I found the derivative to be (cosy  cosx)/ (2+ xsiny) then the slope tangent is 0...then the slope perpendicular is
asked by Student on October 16, 2007 
To Writeacher
In what way is Kreon superstitious?? We can only use the play Oedipus Rex and not the others (eg, Antigone..) so I'm finding a little bit difficult to get a good grasp on Kreon's character. At the end of Oedipus Rex it shows how Kreon is eager to grasp
asked by Andrew on March 9, 2009 
Sciencelight
Shawn wanted to find out which of the four materials A, B, C and D allows the most light to pass through. He was given the following items:  A torch  A ruler  A light sensor connected to a datalogger  Four different materials A, B, C and D Shawn
asked by chimingbell on July 14, 2016 
math
a rental car company charges a fixed fee of 30$ plus $0.05 per mile. let c represent the total cost of renting a car and driving it m miles. Write a equation that could be used to find the total cost of renting a car and driving it any number of miles.
asked by crystal on April 24, 2018 
Math Probability
a bag of hershey miniatures candies contain 18 milk chocolates, 9 Mr.good bars, 9 krackel bars and 8 hershey dark chocolate. if a candy is chosen at random, find the probability that it is A) A krackel or a Dark chocolate B)Not a milk Chocolate bar?
asked by Antonio on April 16, 2012 
geometry
A cylindrical tin can holding 2 gal.has its height equal to the diameter of its base.Another cylindrical tin can with the same capacity has its height equal to twice the diameter of its base. Find the ratio of the amount of tin required for making the two
asked by lea on May 13, 2011 
Calculus
A water tank in the shape of a right circular cylinder has a volume that is increasing at the rate of 300pi cubic centimeters per hour. If the height is decreasing at the rate of 15 centimeters per hour, find the rate at which the radius is changing when
asked by Jake on June 23, 2014 
Algebra
A convenience store owner needs to set the regular price for one gallon of 2% milk. He is going to run a "30% off sale" later in the week on this product. The sale price will be $2.53 per gallon. Find the regular price that the owner should charge for the
asked by Anonymous on January 29, 2014 
Math
Mrs Harvey Wants To Put a 50 m Long Fence around Her Rectangular Garden. She Only Needs To Fence In 3 Sides Because The Other Side Is Alongside Her House. (a) Write an Expression For y In Terms of x (b) Write an Expression For The Area ( A ) Of The Garden
asked by Josh on March 8, 2014 
physics
A railway track travelling along a level at 9 m/s collides with, and becoms coupled to a stationary truck. Find the velocity of the coupled trucks immediately after the collision if the stationary truck has a mass which is : A ) equal to the mass of the
asked by Nelly on February 23, 2011 
Statistical Math
In a sample of 200 people, 154 said they watched educational television. Find the 90% confidence interval of the true proportion of people who watch educational television. If the television company wanted to publicize the proportion of viewers, do you
asked by TessaFaithMarie on November 24, 2012 
physics
Three point charges, A=2.00 uC, B=7.00 uC, C=4.00 uC, are located at the corners of an equilateral triangle. a) Find the magnitude and direction of the electric field position of the 2.00 uC charge. b) How would the eletric field be affected if the charge
asked by Ella on November 7, 2012 
ma1015
On anne's bicycle, the ratio of the pedal turns to rearwheel turns in second gear is 4 to 7. If her rear wheel turns 875 times per mile, how many times does she turn the pedal in one mile? HINT: setup and solve as a proportion to find x.
asked by kathern on October 8, 2017 
Economics
What percentage of Americans GDP per capita is available to the average citizen of Mexico? Americas GDP $35060.00 Mexico GDP $8540.00 To find this answer, divide 8540 by 35060. Move the decimal point in your answer two places to the right to get the
asked by LIsa on September 20, 2006 
physics
Vector A has magnitude 8.0 units at an angle of 60o from the xaxis. Vector B has magnitude 6.0 at an angle of 30o from the xaxis. Find the magnitude and direction of vector C = A + B I tried actually drawing it to see if it would help but it didn't I'm
asked by JOHN SMITH on September 19, 2015 
Math
You are about to factor a quadratic equation involving some x_'s, some x'x and a plain number. You see that the sign in front of the x's is negative, and the sign in front of the plain number is positive. This tells you that when you find the two brackets
asked by Jen on October 7, 2008 
science
How do you find out the number of atoms in a chemical formula? Count up the number of atoms in the formula. If there is a subscript n after an element sytmbol, there are n or those atoms in the molecule. If there is no subscript, there is only one atom of
asked by stephii on June 12, 2007 
math
The volume of Jupiter is about 1.43*10^15 cubic kilometers. The volume of Earth is about 1.09*10^12 cubic kilometers. The number of Earths that can fit inside Jupiter can be found by dividing Jupiter's volume by Earth's volume. Find this quotient and
asked by Claire on May 19, 2016 
Finance
Hello. I need to find the market values of debt and equity for a company. The company is fictitious, so I cannot pull up any real market data for it. I have the book value of stockholder's equity as $36,231, and I know that the Debt to Equity Ratio is
asked by Lyra on November 5, 2017 
math
A room has 2 sections as shown in the picture below. Which expression uses the Distributive Property to find the total area of the room? the picture is a rectangle in the first section there us the number in the left side 14 in the bottom side 8 and in the
asked by angy on October 16, 2018 
Algebra
A room is shaped like a trapezoid. There are windows on the walls that are parallel. The distance between the windows is x. The length of one windowed wall is 3 less than the x, and the length of the other windowed wall is 3 more than x. The area of the
asked by Anonymous on April 5, 2013 
Chemistry
Find the amount of heat to be released to convert 40 grams of steam at 108°C to ice at 7°C. The latent heat of fusion and the latent heat of vaporization are 80 cal/g and 540 cal/g respectively. Cp water 4.187 KJ/kg K, Cp ice 2.108 KJ/kg.K, Cp steam
asked by Anonymous on September 30, 2018 
Physics
In a hudraulic lift, the radii of the pistons are 2.50 cm and 10.0 cm. A car weighing 10.0 kN is to be lifted by the force of the large piston. (a) what force must be applied to the small piston? (b) when the small piston is pushed in by 10.0 cm, how far
asked by Anonymous on November 15, 2012 
math
A girl swims across a river. When she swims in still water, she swims at 1.25 m/s, the river flows parallel to its banks at v m/s. The girl aims to swim upstream at angle θ degrees parallel to the river bank so that her resultant velocity of 1 m/s is
asked by Andrew on November 20, 2016 
math
The orbital velocity of a satellite is given by v=√GM/R+h, where G= 6.67*10^11 Nm^2kg^2, is the Universal Gravitational Constant, M=6*10^24 kg, is the mass of Earth, R=6.38*10^3 km, the orbit of the satellite, and h is artificial satellite above the
asked by John Dosley on September 18, 2016 
statistics
Among the 500 first year students of college, 270 students study computer science, 345 students study mathematics, and 175 students study both computer science and mathematics. If one student is selected at random, find the probability that he did not take
asked by masaad on June 3, 2011 
Math
A guy travels to his home which takes 4 1/3hrs and a distance of 350km, he travels 60km/h for the first part and 90km/h for the rest of the journey. Find: An equation for the distance An equation for the time Detemine the distance he travelled for the
asked by Gopikrishnan on January 24, 2017 
physics
At the airport, you pull a 18 kg suitcase across the floor with a strap that is at an angle of 41° above the horizontal. Find the normal force and the tension in the strap, given that the suitcase moves with constant speed and that the coefficient of
asked by Jessica on October 18, 2011 
trig
A barge is pulled by two tugboats. The first tugboat is traveling at a speed of 16 knots with heading 135°, and the second tugboat is traveling at a speed of 15 knots with heading 195°. Find the resulting speed and direction of the barge. (Round your
asked by janice on November 16, 2012 
trig
Ok so I have a right triangle with the hypothenuse = to 5, one side =3 and the other =4 and X is the angle between the hypothenuse and the side that =3. I'm supposed to find the sin, cos, tan, cot, sec, csc of X. I can't seem to get the answer for the sec
asked by Natash on September 14, 2008 
Math
A biased coin lands heads with probabilty 2/3. The coin is tossed 3 times a) Given that there was at least one head in the three tosses, what is the probability that there were at least two heads? b) use your answer in a) to find the probability that there
asked by Steve on June 13, 2018 
math
The orbital velocity of a satellite is given by v=√GM/R+h, where G= 6.67*10^11 Nm^2kg^2, is the Universal Gravitational Constant, M=6*10^24 kg, is the mass of Earth, R=6.38*10^3 km, the orbit of the satellite, and h is artificial satellite above the
asked by John Dosley on September 18, 2016 
mechanics
a ball of mass m1 and ablock of mass m2 are attached by a light weight cord that passes over a frictional pully negligeable mass. the block lies on an inclined plane of an angle teta. draw the free body diagram. find the magnitude acceleration of the two
asked by kadir on August 6, 2017 
Physics
A 75.0kg crosscountry skier is climbing a 3.0o slope at a constant speed of 2.00 m/s and encounters air resistance of 25.0 N. Find his power output for work done against the gravitational force and air resistance. (b) What average force does he exert
asked by Anonymous on June 10, 2014 
Physics
A 75.0kg crosscountry skier is climbing a 3.0o slope at a constant speed of 2.00 m/s and encounters air resistance of 25.0 N. Find his power output for work done against the gravitational force and air resistance. (b) What average force does he exert
asked by Anonymous on June 10, 2014 
physics
ok i have a problem to work on in my new course, and i was wondering what i need to do to tackle it. the question is as follows: An electron is projected with an initial velocity Vo=10^7m/s into the uniform field between the parallel plates "E". the
asked by mo on September 16, 2011 
Algebra
A tourist traveled on a motorboat against the current for 25 km. And then returned back on a raft. In the boat the tourist traveled for 10 hours less than on the raft. Find the speed of the current if the speed of the motorboat in still water is 12
asked by Sean on March 25, 2016 
math
Find sum of the areas for the flower garden, patio, and water features circular base. Flower garden: 1.25 in. Water features: diameter: 0.75 in. Height: 1in. Patio: diameter: 2.75 in.
asked by Anonymous on February 27, 2012 
physics
Particle 1 is moving on the xaxis with an acceleration of 5.55 m/s2 in the positive xdirection. Particle 2 is moving on the yaxis with an acceleration of 7.45 m/s2 in the negative ydirection. Both particles were at rest at the origin at t = 0 s. Find
asked by Anonymous on September 25, 2011 
College Algebra
Kathy and Cheryl are walking and running in a fundraiser. Kathy completes the course in 6 hours and Cheryl completes the course in nine hours. Kathy went on average two miles per hour faster than Cheryl. Find Kathy and Cheryl's speed.
asked by Anonymous on September 2, 2017 
math
angle of elevation of the top of a mountain to a man is 45degree.if we walk along a slope of 30 degree of the mountain 100 meters then the angle of elevation of the top of mountain becomes 60 degree.find the height of the mountain.
asked by subhradeep on August 8, 2010 
Maths
the formula A=(1 + RT/100) gives the total money A, that a principal P amount to T years at R% simple interest per annum. Find the amount that a principal of #850 become if invested for 6 years at 6% simple interest per annum.?
asked by Venessa Benson. on June 15, 2019 
alg
solve equation g+4/g2=g5/g8 another qustion an elliptical track has a major axis that is 80 yrds long and minor axis 72 yards long find an equation for the track if its center (0,0) and the major axis is the x axis
asked by jerson on June 9, 2008 
buisness statics
Mean yearly salary of employes of a company wasRs20,000.mean yearly sakaries of male and female employes were Rs 20,800 and 16,800.find out the percentage of male and female employed by the company??b
asked by simran on July 29, 2014 
Chemistry
When Pb208 bombarded with Ni64, a new element and six neutrons are produced. What isotope of the new element is produced by this reaction? Question 17 options: Ds266 Ds272 Rf266 Rf272 I believe it is either rf 272 or Ds272 because i added 208+64,
asked by Tamera on December 3, 2014 
physics
Two metallic wires X and Y are connected to a series. wire X has length l and radius r . While Y has length 2 l and radius 2 r. find the ratio of total resistance of series combination and resistance wire X , if both the wires are of same material.
asked by Thejaswini on May 13, 2015 
math/phys
A converging lens (f = 12.2 cm) is located 33.4 cm to the left of a diverging lens (f = 4.64 cm). A postage stamp is placed 31.4 cm to the left of the converging lens. (a) Locate the final image of the stamp relative to the diverging lens. (b) Find the
asked by Anonymous on September 8, 2013 
pre cal
Find a possible formula for the function graphed below. The xintercept is marked with a point located at (5,0), and the yintercept is marked with a point located at (0,−0.833333333333333). The asymptotes are y=−1 and x=6. Give your formula as a
asked by tor on July 28, 2016 
Algebra
A certain recipe requires 2 3/5 cups of flour, and 3 1/4 cups of sugar. a) if 3/8 of the recipe is to be made how much sugar is needed? b) if the above ingredients are required for one batch, find the amount of flour needed for a triple batch.
asked by Christine C on July 20, 2016 
Math
You have a total of 21 coins, all nickels and dimes. The total value is $1.70. Write and solve a system of equations to find the number of dimes d and the number of nickels n that you have. I already wrote the equations: n+d=21 and 10d+5n=1.70. But I don't
asked by Angie on April 20, 2009 
precalculus
The equation of the line joining the complex numbers 5 + 4i and 7 + 2i can be expressed in the form az + b \overline{z} = 38 for some complex numbers a and b. Find the product ab. I can get the equation of the line by slope intercept but I don't know how
asked by Jamie on September 6, 2014 
math
if the width of a rectangle is 5 inches shorter than the length and the perimeter of the rectangle is 80 inches. how do you set up the equation for the perimeter involving only L and how do you solve this in a linear equation algebraically to find the
asked by me on June 16, 2013 
Physics
A rectangular object has a width of 40 meters, height of 15 meters, and length of 2 meters. It floats consistently when 3 meters of its height is below the surface of the water. 1. Find the volume of the displaced water.  Is this the same as the volume of
asked by Anonymous on November 16, 2016 
Astronomy
Need some help with Astronomy. I need to figure out the acceleration of gravity on the surface of certain planets. For example, I need to find the acceleration of gravity on Mars when the mass is .11 times the mass of Earth and the radius is .53 times the
asked by TAG on October 26, 2008 
physics
A chair of mass 14.5 kg is sitting on the horizontal floor; the floor is not frictionless. You push on the chair with a force F = 35.0 N that is directed at an angle of 43.0 ∘ below the horizontal and the chair slides along the floor. find the normal
asked by pop on February 8, 2016
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