
Statistics
A window is shaped like a rectangle whose perimeter is 400 inches the length is 7 times as long as the width find the length and the width?
asked by Ms. L on March 28, 2012 
physics
A car travels 3.0km due west and then 2.0km to the north. Find the magnitude and direction of the car’s resultant displacement?
asked by Andy on February 3, 2014 
Geometry
In a quadrilateral ABCD, AB is parallel to DC and AD is parallel to BC. Find the perimeter of ΔCOD if the diagonals of the quadrilateral intersect each other at pointOand AC = 20 in, BD = 20 in, AB = 13 in Can You Add the Answer,
asked by Gracie on March 24, 2017 
Trig
The point (5/12) is on the terminal side of an angle theta in standard position. Find Sin theta, cos theta and tan theta Thank You!
asked by Lauren on September 21, 2011 
12th grade Chemistry
Mix 5mL of 0,002M Fe(NO3)3; 3mL of H2O; and 3mL of 0,002M KSCN.... how can you find the initial concentration of Fe and SCN??
asked by Chris on January 11, 2009 
Grade 8 math
The perimeter of a quadrilateral pqrs =30mm and it area is 50mm squared. Find the perimeter and area of a p'q'r's'if the scale factors is 1:5 answer please
asked by Anonymous on October 23, 2018 
PreCal
From a point 50 feet in front of a church, the angle of elevation to the top of the steeple is 48 degrees. Find the overall height of the church and steeple.
asked by Sandra on May 23, 2011 
maths
A cylindrical container has a base area of 150cm. It is filled with kerosene up to a height of 9cm. Find the volume of kerosene in the container?
asked by poppy👌🤔 on May 6, 2019 
Chemistry
Find the approximate pH range suitable for the separation of Fe3+ and Zn2+ by precipitation of Fe(OH)3 from a solution that is initially 0.048 M in both Fe3+ and Zn2+.
asked by Monica on May 23, 2010 
Math
A student randomly guesses the answers to a four question true or false quiz. Find the probability that the student answers F on at least 2 of the questions
asked by Cheis on December 5, 2016 
Math*Coordinate Geometry ~the Challenge Test Your Skill People.
A quadratic curve cuts the xaxis at 3 and 4.It cuts the yaxis at Z. The equation of the graph is y=ax^2+bx+c. Find ALL the posible values of a,b and c and the coordinates of Point Z.
asked by Ackron.Z on September 6, 2016 
geometry
The area of a circle is πr2. To find the area of a sector with a central angle of Θ, measured in radians, by what should you multiply πr2? A) Θ B) 2Θ C) Θ/2 D) Θ/2π is the answer D
asked by help please?? on March 29, 2018 
PHYSICS
A BOAT WHICH HAS A SPEED IS 5 Km/Hr IN STILL WATER CROSSES A RIVER OF WIDTH 1 Km along the shortest possible path in 15 minutes. find velocity of the river water.
asked by THIAGARAJAN on May 18, 2015 
algebra
Graph the following equations; calculate the slope, xintercept, and yintercept, and label the intercepts on the graph. Find the area of a rectangle if three of its corners are (0.1,3.4), (7.9,3.4), and (0.1,6.8).
asked by PEG on February 28, 2011 
math
A cylindrical tin of diameter 9cm and height 224cm is half filled with water.Find the volume of water in the tin.
asked by Kevin on September 8, 2016 
Science
For my science experiment, I am testing 3 people's typing speeds with 5 different instruments each. How do I find the best instrument that they improved on the most, even though each person has a different instrument that they improved on the most?
asked by Nyx on April 5, 2018 
pre calc
A 50 gram sample of radioactive strontium will decay to 32 grams in 18 years. a. Find an equation that will model how much of our sample M will remain after t years.
asked by andi on April 27, 2016 
Math
the sum of two numbers is 27. one number is 3 more than the other number. write and solve a system of equations to find the two numbers. i understand the first equation but i don't know the other one.
asked by Kevin on February 18, 2016 
geometry
find measurement angle bac db and dc are paralell, da intersects bc, angle a is 65 degrees so i multipied by two and came up with the answer 130 degrees, is this correct? thanks
asked by ann on October 14, 2013 
geometry
Find the measure of one exterior angle of a regular polygon that has 21 sides. Round your answer to one decimal place. m∠exterior angle
asked by Anonymous on July 11, 2016 
Algebra
I spent hours on this and I still cant figure it out please help me: Let L1 be the line passing through the points Q1=(4, 2, −3) and Q2=(5, 5, −5). Find a value of k so the line L2 passing through the point P1 = P1(3, 7, k) with direction
asked by shana on February 20, 2017 
geometry
The area of a circle is πr2. To find the area of a sector with a central angle of Θ, measured in radians, by what should you multiply πr2? A) Θ B) 2Θ C) Θ/2 D) Θ/2π is the answer D
asked by help please on March 29, 2018 
PHYSICS HELP DENSITY
An object hanging on a scale reads 24.0g when submerged in water, but 48.0g when submerged in oil (specific gravity 0.80) Find the density of the object.
asked by Steph on April 26, 2016 
Physics
A 45 kg boy running at 3 meters per second jumps on to a 97 kg sled that is initially at rest. Find the resulting speed of the sled with the boy aboard.
asked by Linda on October 16, 2011 
pre calc
Two forces of 50 and 70 N (newtons) act on an object. The angle between the forces is 40°. Find the magnitude of the resultant and the angle that it makes with the smaller force.
asked by Julie on April 7, 2008 
Song of Myself+English
Has anyone read Song of Myself by Walt Whitman?? I can't find any themes for it. So hard to understand. Would slavery be a theme? I need atleast 4 themes associated with Song of Myself.
asked by Chopsticks on February 19, 2009 
english
my teacher want me to find an example of assonance in the leda and the swan poem. i know assonance is the repitition of vowel sounds but after looking at the poem, i don't see any. can someone point it out to me?
asked by alison on December 13, 2009 
College Finance
1.A recent edition of The Wall Street Journal reported interest rates of 10.75 percent, 11.10 percent, 11.48 percent, and 11.75 percent for 3, 4, 5, and 6year Treasury security yields, respectively. According to the unbiased expectation theory of the
asked by Jona on February 19, 2013 
French
My tescher gave me this 200 word essay on this topic but I'm having trouble with some of the prompt.Here it is: Comment faitesvous les courses? Decrivez vos habitudes:dans quels supermarches aimezvous allez? Dans quels rayons trouvezvous les choses que
asked by aubrey on December 29, 2006 
Calculus
I'm having trouble with part of a question in a problem set. The question reads as follows: Continuous price discounting. To encourage buyers to place 100unit orders, your firm's sales department applies a continuous discount that makes the unit price a
asked by Kelly on October 16, 2009 
MKT 421
Individual Assignment: Environmental Factors · Resources: University Library, Internet · Select an organization with which you are familiar that conducts both domestic and global marketing. · Write a 1,050 to 1,400word paper in which you identify the
asked by Charlotte on October 24, 2010 
Social Studies
Sometime around the 1880s European countries, for a variety of reasons, began to take control or colonize some area in Africa and Asia at an alarming rate. The expansion of European power in this period took many forms, but no matter the form it had greed
asked by Jerald on April 10, 2013 
algebra
A bicyclist rode into the country for 5hr. In returning her speed was 5 mi/h faster and the trip took 4 hr. what was her speed each way? What equation would I use to solve this problem i have no idea Let V be her speed going out, so V+5 will be her speed
asked by rob on March 23, 2007 
ART HAVING HARD TIME
1. A curator decides to display an eighteenthcentury painting in a windowless room with controlled temperature and humidity. Pick the answer that best describes the reasons for her choice: (1 point) 1)The curator wants to make sure that the temperature
asked by Taylor on January 22, 2015 
Physics
A DIVERGING lens has a focal length of 35 cm. (a) Find the image distance when an object is placed 48 cm from the lens. (b) Is the image real or virtual magnified or reduced?
asked by Matt on May 22, 2016 
Math
A rectangle park measures 300 ft by 400 ft. A sidewalk runs diagonally from one corner to the opposite corner. Find the length of the sidewalk.
asked by Steph on May 1, 2011 
physics
A BLOCK OF MASS 20KG MOVING WITH A SPEED OF 18 KM/H EXPLODES AND SPLITS INTO 2 PARTS.ONE PART OF MASS 15 KG COMES TO REST FIND THE VELOCITY OF SECOND PART?
asked by Anonymous on July 31, 2011 
math Calc
a spherical balloon is filled with water. if the water is leaking out at a rate of 2 cm^3/min, find the rate at which the radius is changing when the volume is v=1000cm^3?
asked by Louis on April 22, 2014 
algebra
The base of a triangle is 3cm grater than the height. The area is 14cm^2. Find the height and length of the base. Please show how you dervied at your answer.
asked by Jackie on September 1, 2010 
Chemistry
You react ammonia and oxygen, and at the end of the experiment you find that you produced 20.7 g of water and have 8.52 g of ammonia left over. Determine the mass of oxygen reacted.
asked by Adog on December 8, 2010 
Physics
A box weighing 178N slides down a ramp with an initial velocity of 0.5m/s^2. The ramp has an angle of 24 degrees and is 3m long. What is the acceleration of the box? I know that F=ma but how do I find a?
asked by Juan on November 9, 2014 
Algebra word problem
Mary is two years older than Robert. The sum of their ages is 28. Write an expression for each person, write the equation for the situation and find out how old each person is.
asked by Lee Ann on November 30, 2014 
math
Find the exact values for the lengths of the labeled segments a, b and p. Note that r=3 is the radius of the circle, and s=2 is the arc length from the point (3,0) around the circle to the indicated point.
asked by Jake on March 13, 2017 
math
If there are 2 yellow, 3 purple, 1 pink, 2 orange, and 2 black marbles in a bag, find the probability of randomly selecting a pink and a black marble.
asked by Jessica on April 20, 2019 
math
A property dealer charges commission at the rateof 2%on the first Rs200000,1%on the next Rs 200000& 0.5% on the remaining price.find the commission on the property that has been sold for Rs 540000.
asked by sonam on July 29, 2011 
Algebra 2 (Please, help me!)
1. Explain how to find the slope of a line from a table of data. A: ? 2. Explain how to justify the Cross Products Property by using Mulitplication Property of Equality. A: ?
asked by Victoria on September 23, 2014 
Basic Arithematics
Waseem buys jeans worth Rs6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax@ 10%. Find the amount he will have to pay for the jeans.
asked by Adeel Jan on March 25, 2016 
Physics
A car travels 20km due north and then 35km in a direction 60 degree west of north. Find the magnitude and direction of the resultant.
asked by Chinedu on March 3, 2010 
statistics
For each combination of sample size and sample proportion, find the margin of error for the 95% confidence level. (a) n=100 and phat=.56 (b) n=400 and phat=.56
asked by Nicky on April 2, 2014 
Physics
FM radio signals are electromagnetic waves transmitted between frequencies of 88 MHz and 107 MHz. Find the range of wavelengths for these signals. largest
asked by Justin on April 16, 2012 
Physics
A bullet is moving with velocity u after emerging from a plank its velocity reduces by u/20 then find the total number of planks required to stop this bullet?
asked by Shreya on June 22, 2016 
English
has anyone read the short story "the new veterans" and can give me like a summary of what happened in the story? i already tried looking online but couldn't find a complete summary? i just need to know mainly the plot? it would be much help
asked by Kayla on November 30, 2016 
Chemistry
Determine the # of moles of Al2S3 that can be prepared by the reaction of 0.400 moles of Aluminum with 0.700 moles of Sulfur, and Also find the # of moles of reactant in excess
asked by Denise on May 7, 2011 
Pre algebra
The width of a triangle is x3 and the length is 2x1. Write and solve an equation to find the perimeter and area of the rectangle if the measures of its length and width are in a 1:3 proportion
asked by Ashley on May 25, 2011 
Math
A rectangle has sides of length 6.1cm and 8.1cm correct to 1 decimal place. Find the lower and upper bound for the perimeter of the rectangle
asked by Alam on May 3, 2019 
writing
should all public schools receive the same level of funding from the government ? can you help me find the three point that i'm going to devide them into paragraphs ,that i disagree with the scholls to receive the same level.....
asked by genci on November 10, 2008 
math
A boy of height 95 cm is walking away from base of a lamp post at a speed of 1.5 m/s.If the lamp post is 3.8 m above the ground, find the length of his shadow after 5 seconds.
asked by sherry on September 25, 2014 
Physics
FM radio signals are electromagnetic waves transmitted between frequencies of 88 MHz and 107 MHz. Find the range of wavelengths for these signals. largest
asked by Justin on April 16, 2012 
maths
OPQR is a rhombus , three of whose vertices lie on a circle with centre O.If the area of the rhombus is 32 root 3cm square ,find the radius of the circle
asked by Manish on March 17, 2017 
Math
If interest is compounded monthly at 8% per year for 10 years, explain how to find the number of compounding periods and the interest rate per compounding period.
asked by Faith on November 9, 2011 
Calculus
Conic Sections A point moves so that its distance from the origin is twice its distance from the point (3,0). Show that the locus is a circle, and find its centre and radius.
asked by Kelly on June 28, 2008 
Math
Each letter in the equation below represents a different digit from the set {1,3,4,7,8}. Find the value of each letter to make the equation true. ADD +MAD _____ SUM
asked by Butch on March 10, 2008 
BUS 210
Where can i find the information for "Job Fair Brochure" I have absolutely no idea how to start This was due last week just found I needed the brochure I have the information
asked by Mary on January 25, 2009 
Math
The shoe box has a base with an area of 147.2 cm2. What equation can be used to find the volume of the shoe box? The length is 18.4 cm, the height is 11 cm and the width is 8 cm.
asked by Nicole on May 2, 2017 
calculus
The surface area of a sphere initially zero increases uniformly at the rate of 26 cm^2/seconds. Find the rate at which the radius is increasing at the end of 2 seconds.
asked by Anonymous on March 14, 2016 
Calculus
a hyperbola passing through (8,6) consists of all points whose distance from the origin is a constant more than its distance from the point (5,2). find the slope of the tangent line to the hyperbola at (8,6).
asked by Al on October 26, 2014 
physics
A piston of cross sectional area 100cm2 is used in hydraulic to exert a force of 10000000dyne find the cross area of another having weight 2000kg
asked by question on October 18, 2015 
math
A body moves in a straight line so that its distance 'x' from a fixed point after 't' seconds is given by the formula x=9t^2÷2t^3÷2 find: a; its velocity after 2 seconds b; its velocity when the acceleration is 0???
asked by pius on December 16, 2016 
english
For my english assignment i need to write a story about George and the Dragon. please could someone help me find a website that can help me write my story.A children`s version would be great . thankyou
asked by Dreamer on January 26, 2009 
science
Ravi prepared a solution of sodium chloride by mixing 5.85g of salt in 1l of water.Find molar mass of sodium chloride?
asked by rohini on February 3, 2016 
chemistry
find mass of magnesium nitride produced in reaction of 5.0of magnesium with 10.0gof nitrogen. the reaction was carried out in a closed container
asked by Allison on March 10, 2015 
Caluclus
[Mean Value Theorem] f(x)=3x^3  4x^2  2x 3 on the closed interval [0,8]. Find the smallest value of c that satisfies the conclusion of the Mean Value Theorem for this function defined on the given interval. I got 8  sqrt(5696) / 18 = 3.748436059 but
asked by Z32 on October 23, 2009 
2 math questions
13. Write a translation rule that maps point D(7, –3) onto point D'(2, 5). 14. Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the xaxis
asked by jman on October 9, 2012 
Math
I have 2 similar triangles. The surface area of the smaller one is 27m squared. The scale factor is 3. How do I find the surface area of the larger triangle
asked by Mary on May 17, 2016 
statistics
16 people attend party.A party table with,8 chairs on both sides.4 want to sit on one side & 2 want to sit otherside.Find the no of ways this can be arranged.
asked by indu on July 9, 2008 
Engineering/Algebra
A cardboard tube has a failure stress of 4,960,000 N/m^2 and an axial stress of 75 N/cm^2, find the factor of safety of the tube. Is the answer 66133.33
asked by George on November 4, 2008 
Math
Find the points of inflection of the graph of the function. (If an answer does not exist, enter DNE.) f(x) = 1/3x^4 + 4x^3 for some reason I am not getting the right answer; I got the graph on my calculator but it seems weird.
asked by Angelina on March 10, 2012 
physics
Find the static pressure that exists in your house water pipes if the water in a storage tank is 25 meters higher in elevation that your pipes.
asked by Jessica on May 8, 2010 
MATHS
In the adjoining figure,the parts AC & CB are the part of a minar AC & CB make angle ® & © at the point P. If tan®=1/2, tan©=1/3;find the height of a minar if PB=16metres
asked by BHOOPENDRA YADAV on December 26, 2016 
chemistry
25ml of 0.05M of NaOH and the average volume of HCl is 17.7ml after titration and the concentration of HCl is 0.1028M. Find the [OH] eq (from titration). How do u solve this...
asked by roshan on March 23, 2011 
Precalculus
A ship is heading due north at 10 mph. The current is flowing southwest at 3 mph. Find the actual bearing and speed of the ship.
asked by KG on December 12, 2017 
physics
A 110 g ball has a kinetic energy 39.8 J. What's the magnitude of its momentum? Use your answer to find its speed. K=p^2/2m 39.8=p^2/(2*110) 8756=p^2 p=93.5735 kg*m/s ^this is wrong though. where did I go wrong?
asked by lizbeth on February 17, 2016 
math
you are making a scale drawing with a scale of 2in.=17ft. elplain how you find the length of the drawing of an object that has an actual lenght of 51ft
asked by Taylor on April 16, 2012 
chem(molarity)
a buffer contains 0.010 mol of lactic acid and 0.050 mol of sodium lactate per liter . How do I find the molarity of the acid and base?
asked by mary on September 9, 2012 
math
n points are arranged on a cirlce and all the chords drawn. Let I(n) be the number of intersection points inside the circle if no 3 chords are concurrent. Find a formula for I(n).
asked by Brenda on February 2, 2013 
Math
While going downstream boat covers a distance in 48km in 6hrs while returning covering the same distance in a task. find the speed of boat and that of river.
asked by Yash on April 10, 2018 
biology
any site i go onto that be animation site to find out about nucleic acids and protein synthesis? this chapter soo hard. codon, anticodon i need animation.
asked by Shreya on February 22, 2012 
Algebra 2
formula for converting celcius to fahrenheit: F=9/5C+32 a) what is the inverse of the function? b)use the inverse to find the celcius tempertature that corresponds to 25F Please help i have no idea how to solve this :(
asked by Belle on January 19, 2012 
calculus
A rectangle with its base on the xaxis is to be inscribed under the graph of y=2x^2. Find the height of the rectangle if the area is the largest possible area. (Round to the nearest hundreth)
asked by Sarah on November 13, 2011 
stats
group rh+ 39 35 8 4 rh 6 5 2 1 People with blood type AB and rh+ are considered to be universal recipients. If three of the 100 subjects are selected find the probability they are all universal recipients.
asked by Help please! on February 6, 2011 
Algebra
Ok I got another one I can figure out The onetoone function f is defined by f(x)=(4x1)/(x+7). Find f^1, the inverse of f. Then, give the domain and range of f^1 using interval notation. f^1(x)= Domain (f^1)= Range (f^1)= Any help is greatly
asked by Rachal on February 2, 2011 
math
n points are arranged on a cirlce and all the chords drawn. Let I(n) be the number of intersection points inside the circle if no 3 chords are concurrent. Find a formula for I(n).
asked by Brenda on February 2, 2013 
math
Find 10% of $500 and 10% of $300. Since 6% is a little more than half of 10%, what is half of 10% of 500? Add this with 10% of 30, since 8% is close to 10%.Does your answer make sense. Please show work so i can understand
asked by Thomas on January 6, 2014 
math
A man is five times older than his son. Four years ago, the product of their ages was 448. Find their present ages. (5x X x)  4 = 448 x = 9.507
asked by Anonymous on October 25, 2016 
math
A man is five times older than his son. Four years ago, the product of their ages was 448. Find their present ages. (5x X x)  4 = 448 x = 9.507
asked by Anonymous on October 25, 2016 
math
Line through (0,b) and (10,5) is perpendicular to the line through (a,0) and (6,3). If all ordered pairs (a,b) which make the first sentence of this problem true are graphed, they all lie on a line. Find the equation of this line.
asked by Sam on September 17, 2014 
math
An experiment consists of flipping a coin 3 times and noting the number of times that a heads is flipped. Find the sample space S of this experiment. S=?
asked by Amber on September 7, 2010 
Physics
A 4.52 kg block slides down a smooth, fric tionless plane having an inclination of 31◦ . The acceleration of gravity is 9.8 m/s2 . Find the acceleration of the block. Answer in units of m/s2.
asked by Alejandra on October 16, 2010 
College Algebra
Find the equation of the parabola y = ax2 + bx + c that passes through the points. To verify your result, use a graphing utility to plot the points and graph the parabola. (−2, −15), (−1, −4), (1/2,10) y=?
asked by Jack on July 21, 2013 
asthmatics
Find the volume of the wood required to make an open box of internal dimensions 20cm by 12.5cm by 9.5 cm.the wood being 1.5cm thick.
asked by Anonymous on December 29, 2016
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