
Maths Percentage
(1)Raghu has some apple. He sold 40% more than he ate. If he sold 70 apples, how many did he ate? (2)A man gives 10% of his money to his children and 20% of the remaining to trust.If he is still left Rs 9600, what did he originally have? (3)A boy remains
asked by Ashmitt on September 12, 2016 
Chemistry
A solution was made by dissolving 62.07grams of a compound in 500g of water. The compound was not ionic. The freezing point of the solution was measured and found to be 1.86degrees celsius. The molar mass of this compound can be calculated to be? I know I
asked by Hannah on February 15, 2012 
physics
a) An infinite number of changes each equal to q are placed along the xaxis at x = 1, x = 2, x = 4, x = 8, . . . and so on. Find the potential and the esoteric at x = 0 due to this set of changes. What will be the potential and electric field if, in the
asked by Sandhya on June 17, 2009 
Physics
A model airplane has a mass of 0.95 kg and moves at a constant speed on a circle that is parallel to the ground. Assume that there is no upward lift on the plane generated by its wings. Without such lift, the guideline slopes downward due to the weight of
asked by James on October 16, 2015 
Psychology
Individuals who use problemfocused coping will deal with a problem or stressor by: A. making changes in their behavior. B. accepting support through sympathy. C. changing their point of view concerning the stressor. D. attempting to manage their emotions.
asked by Ari on January 30, 2016 
Physics Homework Help
1.) Auston’s racecar has a speed of 80 m/s when Auston releases a drag parachute. If the parachute causes a deceleration of 4 m/s2, how far will the car travel before it stops? 2.) Jordan throws a golfball straight up from the top of a building 50
asked by Tori on October 10, 2014 
physics
a) An infinite number of changes each equal to q are placed along the xaxis at x = 1, x = 2, x = 4, x = 8, . . . and so on. Find the potential and the esoteric at x = 0 due to this set of changes. What will be the potential and electric field if, in the
asked by Sandhya on June 17, 2009 
physics
a) An infinite number of changes each equal to q are placed along the xaxis at x = 1, x = 2, x = 4, x = 8, . . . and so on. Find the potential and the esoteric at x = 0 due to this set of changes. What will be the potential and electric field if, in the
asked by Sandhya on June 17, 2009 
english
In the book "A Clockwork Orange" what motivates Alex to choose to be "good" by excersing his free will? I think it is his boredom that motivates him, but I need to expand upon that idea. Can YOU help me with this? What motivates him? Thank you very much.
asked by Existentialist on November 11, 2006 
math
First set of data – wages: Food Prep/Cashier: $8.40/hr (25 employees) Assistant Manager: $9.25/hr (4 employees) Manager: $16.00/hr (2 employees) Owner: $45.00/hr (1 person) 1) Create a Frequency table (1 point) 2) Create an Histogram (1 point)(Label
asked by Anthem on May 28, 2019 
Math  Calculus
A piece of wire 16cm long is cut into 2 lengths, one of which is bent into a circle, the other into a rectangle with one side three times the other. a) Determine the ratio of the longer length of the rectangle to the radius of the circle if the sum of the
asked by Anonymous on March 8, 2017 
Chemistry
Help needed with a calorimeter lab. I have to measure the enthalpy of a neutralization reaction between NaOH and HCl as well as find the concentration of NaOH the following ways.  using the mass and volume of NaOH  Using calorimetric data assuming no
asked by Bibi on November 17, 2014 
Probability?
A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You choose a marble, replace it, and choose again. Find P(red, then blue).
asked by Katie on April 22, 2013 
pre algebra
The perimeter of a triangle is 24 cm. One side is 2 cm longer than the shortest side. The longest side is 2 cm less than twice the length of the shortest side. Find the length of each side of the triangle. write equation and solve.
asked by Sammi on May 30, 2011 
PreCalc
Consider the tip of each hand of a clock. Find the linear velocity in millimeters per second for each hand. a. second hand which is 30 millimeters. b. minute hand which is 27 millimeters long. c. hour hand which is 18 millimeters long. Please tell me how
asked by Joe on November 18, 2007 
Math Corrections
(9)4w+7w=42 I thought I knew how to do this, but my teacher said i was wrong. This what I thought: (9)4w+7w=42 (9)11w=42 +11w +11w (9)=42+11w 42 42 (9)42 (9)+(42) 11w=(51) /11 /11 w= 4.636363636363...... She told us that the correct answer is
asked by Chris on November 5, 2007 
physics please help
Find Beta and Gamma for an electron that has a kinetic energy of 6.00 keV. gamma = KE/MoC^2 + 1 Beta = 1/gamma^2 + 1 gamma = 1.011723381 Beta = 1.9769592 I am getting gamma right but I am getting Beta wrong what I'm I doing wrong??
asked by Andy on April 18, 2010 
advanced functions/precalculus
1. The function f(x) = (2x + 3)^7 is the composition of two functions, g(x) and h(x). Find at least two different pairs of functions g(x) and h(x) such that f(x) = g(h(x)). 2. Give an example of two functions that satisfy the following conditions:  one
asked by Diane on January 15, 2014 
Math
a girl walks from a point A to a point B,20Km Away From A In Northeast Direction And WalkS To a point C on the bearing of 125degree,she is 80km away from the starting point,find her bearing from the starting point
asked by Betty on June 9, 2019 
Math 101
Find the equation for each of the following items below: a. A line that passes through (6,26) and has a slope of 3. b. A line that passes though the points (5,5) and (10,20) c. A line that passes through (9,25) and has a slope of 3. d. A line that passes
asked by SEMA , Need Help on March 23, 2010 
Trig
The first 40 rows of seating in a certain section of a stadium have 25 seats, 28 seats, 31 seats, and so on. The 41st through the 75th rows each contain 125 seats. Find the total number of seats in this stadium section.
asked by sueann on May 30, 2012 
PHYSICS
To see how two traveling waves of the same frequency create a standing wave. Consider a traveling wave described by the formula y1(x,t)=Asin(kx−ωt). This function might represent the lateral displacement of a string, a local electric field, the position
asked by SENDICA on December 15, 2015 
Math
When Teresa opened her law office, she bought 14000 worth of books and 7200 dollars worth of office furniture. She paid $1200 down and agreed to amortize the balance with semiannual payments for 5 years at 12% compounded semiannually. Find the ammount of
asked by Kristen Morris on December 13, 2011 
English
"We found his flag one bitter morning." By repeating the "f" sound, the line uses: a. analogy b. metaphor c. alliteration d. lyric C "Like moths to flames we sought our goal." What is the most likely meaning of this line? a. the climbers had no choice but
asked by Anonymous on December 31, 2013 
English
Look at the things in the picture. What can you see there? Answer the questions looking at the picture. What are you going to do? I'm going to go for a hike. I am going to write three postcards and send them to my friends. I am going to listen to music
asked by rfvv on August 27, 2012 
Calculus 3
The base of an decorative rectangular feature with a volume of V = 225 ft^3 is to be constructed in a restaurant. The bottom is made of marble, the sides are made of glass, and the top is open. If marble costs five times as much (per unit area) as glass,
asked by Kat on October 8, 2017 
English
I have created and introduction for the quote, "and thus the whirigig of time brings in his revenges." My task after that is to describe how this aplies to sitaution with characters in the novels. Now I am having a hard time getting into the explination of
asked by Gina on October 8, 2006 
Calculus
A small aircraft starts its descent from an altitude of 1 mile, 4 miles west of the runway. a) Find the cubic f(x) = ax3 + bx2 + cx + d on the interval [4,0] that describes a smooth glide path for the landing. b) If the glide path of the plane is
asked by Jon on December 3, 2007 
English
Can you please check these sentences? Thank you. 1) I had her go and get the children from school. 2) The technician had the machine going in no time. 3) She kept/left me waiting outside. You'll waste your time trying to get him to study. 4) Did you manage
asked by Henry2 on December 12, 2011 
Math
8) A consumer groups tries to determine the most expensive items in a convenience store. Four items are purchased in the convenience store and compared to the average price in stores in the area. Assume tat the price distribution is normal. Use your
asked by Kay on November 18, 2012 
Music
What musical form preceded the sonataallegro form, and is the sonataallegro form still being used today? Sup' Christy, I beleive the form that preceed the sonataallegro form would be the "minuet and trio" form. Symphonies are where you can find the sa
asked by Christy on October 16, 2006 
I need help
I am taking courses in Criminal Justice. I flunked 3 courses in English. What is a comma splice? What is a dangler,fragment? Also how do you write a bussiness letter? Please help me so I can get my associates degree. Thank you ANITA GUNTER A comma splice
asked by Anita Gunter on June 25, 2005 
physics
Along a straight road through town, there are three speedlimit signs. They occur in the following order: 56 , 33 , and 24 mi/h, with the 33 mi/h sign located midway between the other two. Obeying these speed limits, the smallest possible time tA that a
asked by andy on September 8, 2012 
Physics
A man drags a 68.0kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. The crate is tilted 23.5° above the horizontal, and the strap is inclined 55.0° above the horizontal. The center of gravity of
asked by Anonymous on March 31, 2016 
Physics
In a physics lab, Kate and Rob use a hanging mass and pulley system to exert a 2.45 N rightward force on a 0.500kg cart to accelerate across a lowfriction track. If the resistance (ignore air resistance) force to the motion of the cart is 0.72N, then what
asked by Anon on July 3, 2019 
Physics Quick!
A tire 0.650 m in radius rotates at a constant rate of 240 rev/min. Find the speed of a small stone lodged in the tread of the tire (on its outer edge). (Hint: In one revolution, the stone travels a distance equal to the circumference of its path, 2¥ðr.)
asked by kk2 on August 19, 2012 
Math
Suppose that the number of bacteria in a certain population increases according to an exponential growth model. A sample of 2600 bacteria selected from this population reached the size of 2873 bacteria in two and a half hours. Find the continuous growth
asked by Rachal on February 21, 2011 
Physics
Along a straight road through town, there are three speedlimit signs. They occur in the following order: 51 , 33 , and 26 mi/h, with the 33 mi/h sign located midway between the other two. Obeying these speed limits, the smallest possible time tA that a
asked by Briana on September 12, 2013 
PHYSICS
A train engine pulls out of a station along a straight horizontal track with five identical freight cars behind it, each of which weighs 88.0 kN. The train reaches a speed of 13.0 m/s within 6.50 min of starting out. Assuming the engine pulls with a
asked by Anonymous on February 8, 2012 
calculus
The base of a solid is a circle of radius = 4 Find the exact volume of this solid if the cross sections perpendicular to a given axis are equilateral right triangles. I have the area of the triangle (1/2bh) to be equal to 2sqrt(12) (1/2 * 4 * sqrt12) I
asked by mark on April 22, 2007 
physic
A particle is pushed horizontally by a constant horizontal force of magnitude F, which starts from the rest at x=0 in the positive ݔ direction. During the movement, it is also acted by the air resistance force that equivalent to bv, where b is the
asked by mad on June 18, 2016 
MITx: 8.01x Classical Mechanics
Mary wants to throw a can straight up into the air and then hit it with a second can. She wants the collision to occur at height h=10.0 m above the throw point. In addition, she knows that she needs t1=4.0 s between successive throws. Assuming that she
asked by simonsay on September 16, 2013 
Physics
Along a straight road through town, there are three speedlimit signs. They occur in the following order: 51 , 33 , and 26 mi/h, with the 33 mi/h sign located midway between the other two. Obeying these speed limits, the smallest possible time tA that a
asked by Briana on September 12, 2013 
calculus
A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 30ft, find the dimensions of the window so that the greatest possible amount of light is admitted. I keep screwing up in creating my equation. p =
asked by Daniel on November 20, 2011 
8th Grade math  Ms. Sue please
An archaeologist has set up a dig at a newly discovered site. She and her team start excavating an area that is 36 feet by 24 feet. Because the scientists find many artifacts near the edges of this area, they decide to expand the dig. They add nine feet in
asked by Chris on November 16, 2012 
physics
A circular disk of mass 0.2 kg and radius 24 cm, initially not rotating, slips down a thin spindle onto a turntable (disk) of mass 1.7 kg and the same radius, rotating freely at 3.4 rad/s. a) Find the new angular velocity of the combination; rad/s b) The
asked by applebottom on December 11, 2010 
RE: English
This is from my question I posted earlier: What is the corruption Ronald Reagan is hiding in his Berlin Wall speech? What is the bad thing he's hiding? After reading the speech, I can only conclude that Reagan want to rally the people of West Berlin to
asked by Joes on January 5, 2016 
Physics
Two stunt drivers drive directly toward each other. At time t=0 the two cars are a distance D apart, car 1 is at rest, and car 2 is moving to the left with speed v_0. Car 1 begins to move at t=0, speeding up with a constant acceleration a_x. Car 2
asked by RJ on May 26, 2009 
English
Where can I buy MONOPOLY? In RITE AID STORE do they have MONOPOLY? Thank you for using the Jiskha Homework Help Forum. Here is one discount toy store that has different Monopoly games: http://www.discountanimetoys.com/boardgamesmonopolyboardgames.html
asked by Sheela on December 30, 2006 
STATISTICS
You are playing a board game in which severity of a plenty is determined by rolling three dice and adding spots on the upface. The dice are all balanced so that each face is equally likely, and the three dice fall independently. If X1, X2, and X3 are the
asked by ASIL on December 15, 2008 
RE: English
This is from my question I posted earlier: What is the corruption Ronald Reagan is hiding in his Berlin Wall speech? What is the bad thing he's hiding? After reading the speech, I can only conclude that Reagan want to rally the people of West Berlin to
asked by Joes on January 6, 2016 
Algebra 2
The value of a baseball card can be modeled by exponential decay. The value will decrease at a rate of 0.2% each yeah. The card was originally valued at $250 in the year 2000. A Use the exponential decay formula to write an equation to model the
asked by Jeff on June 13, 2017 
US History
I am looking for a couple of website that have to to with these three questions on JP Morgan and company 1) What were the positive and negative effects of the business in the late 19th century 2) How has the individual you selected and his particular big
asked by Rollin' on History on April 3, 2010 
Science
You are to choose four landforms for your research. As you complete the research on your chosen landforms, be sure to gather these details: the landform's locations the process/processes that formed the landform facts about the landform ways in
asked by Help please!!!! on May 17, 2017 
Calculus (Related Rates)
The position of a particle moving in a straight line is given by s(t) = (e^(t))(cos(5t)) for t>0, where t is in seconds. If the particle changes direction at time T seconds, then T must satisfy the equation: cos(5T) = 0 5T = arctan(1/5) 5e^(t) sin(5t) =
asked by Anonymous on March 29, 2012 
Physics Equations of Motion
Along a straight road through town, there are three speedlimit signs. They occur in the following order: 66 , 31 , and 19 mi/h, with the 31 mi/h sign located midway between the other two. Obeying these speed limits, the smallest possible time tA that a
asked by Jackie on June 7, 2012 
Statistics
During the 201112 winter season, a homeowner received four deliveries of heating oil, as shown in the following table: Gallons Purchased Price per Gallon ($) 209 2.60 182 2.40 157 2.78 149 2.74 The homeowner claimed that the mean price he paid for oil
asked by James on May 26, 2013 
math, calculus
Interference Two identical tuning forks are struck, one a fraction of a second after the other. The sounds produced are modeled by f1(t) = C sin ωt and f2(t) = C sin(ωt + α). The two sound waves interfere to produce a single sound modeled by the sum of
asked by MaryJane on June 22, 2018 
Costs and Awards
Find two programs that interest you at Education Planner and complete the chart below for each program. Hint: After searching for your programs (in the search engine at the top of the webpage), under the Planning Information section on the left side of the
asked by *Karley*<3 on January 27, 2011 
Maths
A manufacturer of cotter pin know that 5% of his product is defective. If he sells cotter pins in boxes of 100 pins find the probability that a) 10 pins will be defective in the box b) Not more than 10 pins are defective in a box
asked by Larissa on February 8, 2017 
SkatingDJ
4. The number cube shown is rolled and the spinner shown is spun. Find P(an odd number and yellow). The number cube goes up to five. The spinner has four spaces. two are yellow, one is blue and 1 is green. 1/4 3/4 3/5 3/20
asked by PLS HELP MATH ASAP!!!!! on April 19, 2014 
Algebra
Write a formula showing the dependence of the mass of a piece of cork on its volume, if the density of cork is 0.18g/cm3. Using the formula, find the volume of a piece of cork with a mass of 64.8g
asked by Helen on September 26, 2019 
math
A store pays a 6% commission on the first $500 in sales and 8% on sales over $500. Find the commission on an $800 sale. I just need the commission on the $800 sale, cause i finish the other questions in this problem. Please explain how to do it.
asked by Thomas on January 6, 2014 
Chemistry
Use the data in the table to calculate the equilibrium constant for the following reaction. HCOOH(aq)+ OH −(aq) equilibrium reaction arrow HCOO−(aq)+ H2O(l) HCOO is 5.9e11 (Kb) HCOOH is 1.7e4 (Ka) Not sure how to find the equilibrium constant given
asked by Dani on April 12, 2017 
geometry
raise pq and qr are perpendicular point s lies in the interior of angle pqr if measure of the angle pqs equals 4=7a and the measure of angle sqr = 9+4a find the measure of angle pqs and sqr
asked by jj on September 8, 2010 
Science
Jake was doing a lab to find the density of metal. Here's his data: mass of the metal sample: 45 grams, volume of metal sample: 4.5 mL. Use his data to determine the density of the metal sample. Can you help? I don't get this.
asked by Haley on October 7, 2010 
Algebra2
The area of a square garden in square feet is 49x^214x+1. Find the dimensions of the garden in terms of x. x^2=49x^214x+1 Then solve for x. 48x^214x + 1=0 (8x1)(6x1)=0 and solve for two values of x that are possible.
asked by Christian on May 4, 2007 
Math
If f(x)=sin(x) and g(x)=x^2x+1, find the domain of f(g(x)) and g(f(x)). I was able to determine that: f(g(x))= sin(x^2x+1) and g(f(x))= sin(x)^2 sin(x) +1 Here is what I am thinking: the range of f(x) is (x e R) and the range of g(x) is {x e R).
asked by Sarah on September 25, 2010 
Math!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
In a project, Mr Tung's daily wage was $100 more than Mr Pang's. Although Mr Tung worked 3 days less than Mr Pang, both of them earned $3600. Find the number of days Mr Tung worked in the project.
asked by Nicole on September 7, 2013 
Math
One cell phone plan costs $15 per month plus $0.10 per minute used. A second cell phone plan costs $50 per month for unlimited use. Write and solve an inequality to find when the second plan is cheaper than the first.
asked by Taya on June 7, 2015 
Math
Samantha wants to find the height of a pine tree on her yard.she measures the heigth of the mailbox at tree feet and it shadow at 4.8 feet. Then she measures the shadow of the tree at 56 feet . How tall is the tree?
asked by Miriam on October 16, 2014 
Math
A radio sold with a discount of 25% on the marked price leads to a loss of Rs. 200. If it was sold at a discount of 10%, it would have yield a profit of 8%. Find the cost price and marked price of the radio?
asked by Rock on August 17, 2019 
Algebra
The side of a square equals the length of a rectangle. The width of the rectangle is 4 meters longer than its length. The sum of the areas of the square and the rectangle is 48 square centimeters. Find the side of the square
asked by Scott on December 6, 2010 
Algebra
A plane can fly 500 miles against the wind in the same amount of time that it can fly 775 miles with the wind. If the wind speed is 55mph, find the speed of the plane in still air.
asked by Tom on October 14, 2016 
Math
One morning in Helena Montana the temperature was 12 degrees Fahrenheit Below zero. By noon the temperature had risen to 25°F Which expression can be used to find the temperature in degrees F at noon that day in Helena Montana? A. 12+25 B. 12+(25) (my
asked by Genji on October 13, 2017 
math
Warren measured a recentangular window to find Out how much plastic he would need to cover it.The window measured 5ft 6 inches by2ft9inches.about how many square inches of plastics does Warren need to cover the window?
asked by Mariah on April 20, 2015 
Language Arts
On the sentence: They dive deep beneath the surface in search of an exciting find. Would the adjectives in the sentence be deep and exciting? I wasn't totally sure on deep. I also wasn't sure if beneath would be an adjective. Thanks...
asked by Brandi on February 13, 2012 
math
For sin(θ) = 0.4321, 0 ≤ θ ≤ 360°. (8) How many solutions are possible? In which quadrants would you find the solutions? Determine the reference angle for this equation to the nearest degree. Determine all the solutions to the equation to the
asked by Sammy PLEASE HELP on August 30, 2017 
physics
a particle covers 1/2 distance between A and B with a velocity V0. during 1/2 of the time required to cover the remaining distance the particle moves with a velocity V1 and rest moves with a velocity V2. find the average velocity of the particle
asked by anubhab on April 14, 2015 
algebra
a hockey team has red sweater, white swearter, and blue sweater. the team uses red or blue pants and red or white socks. find the number of possible uniforms
asked by Meredith Grey on March 22, 2015 
algebra
The stopping distance s of a car varies directly as the square of its speed v. If a car traveling at 30 mph requires 81 ft to stop, find the stopping distance for a car traveling at 55 mph.
asked by lakpa on November 21, 2014 
Math
Consider an even money game that pays 4:3 if event A occurs. What is the probability of event A? I am thinking that here, probability = denominator of odds / (denominator of odds + numerator of odds) but I find other sources say odds = probability / (1p)
asked by Anonymous on July 4, 2018 
Algebra
The vertex of a parabola represented by f(x)=x^24x+3 has coordinates of (2,1). Find the coordinates of the vertex of the parabola defined by g(x)=f(x2). Explain how you arrived to your answer. My question: Would you move the parabola represented by f(x)
asked by Anon on May 2, 2016 
Algebra
One side of a triangle is 3 inches shorter than twice the length of the shortest side. The third side is 5 inches longer than the shortest side. If the perimeter is 110 inches, find the lengths of all three sides. So what are all the three sides?
asked by Zack on September 12, 2013 
College Alebra
Solve the following using system of equations. The sum of three numbers is 26. The middle number numerically is one more than three times the smallest number. The largest number is two times less than five times the smallest number. Find the three numbers.
asked by Erika on May 3, 2017 
math
A box contains four red, three blue, and six green lenses. Two lenses are randomly selected from the box. Find the probability of getting two red lenses when two are selected if the first selection is NOT replaced before the second selection is made.
asked by b on March 3, 2013 
English
Please check to see if I'm correct. I have to find the complete subject and simple subject in this sentence. There was one student still taking the exam when the bell rang. student is the simple subject and there was one student the complete subject Am I
asked by Jessie on November 20, 2015 
Algebra
A rectangularshaped dance floor has a perimeter of 164 feet. If the floor were 44 feet wider, its width would equal its length. Find the length and width of the dance floor.
asked by Raquel on July 7, 2016 
Math
Find the acute angle theta that satisfies the given equation. Give theta in both degrees and radians. cot(theta)=1/sqrt(3) The value of theta in degrees is (BLANK) degrees and in radians is (BLANK). Thank you!!
asked by Jonah on November 6, 2018 
statistics
Among 15 metal parts produced in a machine shop, 4 are defective. If a random sample of five of these metal parts is selected, find a) The probability that this sample will contain at least three defectives. b) The probability that this sample will contain
asked by akb on March 23, 2016 
maths
A pulley revolving at 200 revolutions per minute has a diameter of 15 inches. It is belted to a second pulley which revolves at 150 revolutions per minute. Find the diameter, in inches, of the second pulley. not just answer, please
asked by Tomas on August 15, 2013 
Intermediate Algebra
One leg of a right triangle has a length of 5 m. The other sides have lengths that are consecutive integers. Find these lengths. The other leg is ____ m The length of the hypotenuse is ____ m Is my answer correct? The other leg is 12 m The hypotenuse is 13
asked by Spacegazing on March 4, 2014 
math
let L1 be the line throught (1,6,2) with direction vector (1,2,1) and L2 be the line throught (0,4,1) with direction vector (2,1,2).Detrmine Whether trh lines are parallel,intersec or skew.if intersec,find the point of intersec
asked by Anonymous on April 7, 2018 
Maths calculus
A rectangular box has a square crosssection and the sum of its length and the perimeter of this crosssection is 2 m. If the length of the box is x m, show that its volume V m^3 is given by V = [x(2x)^2]/16. Hence find the maximum volume of the box.
asked by Stephen on May 24, 2011 
Math
1. if 60% of 3/5 of a number is 36, then the number is......... Pls show working. 2. the average weight of 16 boys in a class is 50.25kg and that of the remaining 8 boys is 45.15kg. Find the average weight of all the boys in the class.
asked by Bright on April 20, 2015 
mathematics
he dimensions of a rectangular prism are (5x squared  4x  3) (x squared  x + 1) cm by (3x squared  5) cm. Find a polynomial which represents 1. the total surface are of the prism. 2. the total length of the edges of the rectangular prism 3. the volume
asked by alexis on January 14, 2015 
math
at a parade, there are "m" women and 3 times as many men as women. There are 6,352 fewer children than men. Find the number of men and the number of children respectively in terms of m. If m = 7,145, how many peole are at the parade?
asked by teresa on March 13, 2017 
calculus II
A 100 gallon tank is being drained at a rate of 5 gallons per minute. A second tank containing 10 gallons of water is being filled at a rate of 4 gallons per minute. Can you find out when the two tanks will have the same amount of water in them?
asked by Sam on August 23, 2017 
algebra
A boat can travel 114 miles upstream in the same time that it can travel 186 miles downstream. If the speed of the current is 6 miles per hour, find the speed of the boat without a current.
asked by carl on August 17, 2011 
Math
a building is 16m from a television tower. From the top of the building, the angle of depression from the base 43 degrees, and the angle of elevation to the top of the tower is 24 degrees. Find the height of the tower?
asked by Cuyahon on July 25, 2014
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