
Math
A bicycle tire rim has a diameter of 24.5 inches, and the tire is 2.25 inches thick. Find the circumference of the outside of the tire.
asked by Anonymous on March 28, 2019 
calculus
g(x)=(x^3)(3x^2)+17 a)find and classify all critical points of g(x) using exact with x and y values. b)for what values of x is the function concave down; again exact x and y values.
asked by matt dunlap on November 18, 2010 
pre algebra
Tell whether the events are independent or dependent. Then find the probability. You roll a 6 on a number cube. Then you roll again and roll a 2. Independent???
asked by amy on May 30, 2012 
math
The length of a rectangle is 7 cm longer than its width. If the perimeter of the rectangle is 74cm, find the length and the area of the rectangle.
asked by zainab on August 16, 2014 
Algebra
I need to find the slope of a ladder that is leaning against a building. The bottom of the ladder is 9 ft from the building and the top of the ladder is 16 ft above the ground.
asked by Todd on February 19, 2013 
physics
A window is 50 long. A stone is falling from a height of 40 cm above the window.find the time taken by the stone to cross the window.
asked by sofia on May 11, 2016 
math
four times the larger number of two numbers is equal to seven times the smaller.the sum of the numbers is 22.find the numbers
asked by daniel on January 27, 2010 
Pre Algebra
The ratio of the length of a rectangular field to its width is 10:7 if the width of the field is 70 meters find the perimeter of the field.
asked by Izabel on January 24, 2011 
Math
The three sides of a triangle are consecutive even integers. If the perimeter of the triangle is 72 inches, find the lengths of the sides of the triangle
asked by ELI on September 6, 2017 
physics
A window is 50 long. A stone is falling from a height of 40 cm above the window.find the time taken by the stone to cross the window.
asked by sofia on May 12, 2016 
Trig
Force 1= 65 pounds , Force 2=90 pounds find the angle between the forces? magnitude of the resultant force= 70lbs
asked by Anonymous on April 16, 2014 
science
on what website can i find info on things made of the element hafnium:a picture,how it's made, and why it is made with hafnium.
asked by dylan on February 19, 2012 
math
a scale drawing has a scale of 1cm:3m explain how the scale can be used to find the actual distance between objects in the drawing
asked by dj on October 22, 2015 
differential equation or physics
A particle moves on the xaxis with an acceleration, a=(6t4)m/s2. Find the position and velocity of the particle at t=3 , if the particle is at origin and has a velocity of 10 m/s ms when t=0.
asked by aamiraa on March 10, 2011 
Math
60%student in a school are boys. Find the total number of student in a school if there are 240 girls in the school.
asked by Heman on December 7, 2016 
Math
A set of data has a mean of 25 and an outlier of 5. You find the mean without the outlier. Which of the following best describes your new mean? A. The new mean is the same as the original mean. B The new mean is the as the meadian C. The new mean is
asked by Please help on January 11, 2011 
statics
The following is a list of 12 measurements: 50, 57, 85, 34, 28, 68, 17, 33, 81, 12, 70, 17 Send data to Excel Suppose that these 12 measurements are respectively labeled . (Thus, is labeled , is labeled , and so on.) Find .
asked by Anonymous on October 20, 2016 
Diff eqn IVP
A particle moves on the xaxis with an acceleration, a=(6t4)ms⁻1. Find the position and velocity of the particle at t=3 , if the particle is at origin and has a velocity of when t=0
asked by shasha on March 12, 2011 
math
3 girls share a number of apples in the ratio 5:3:2. if the highest share is 40 apples, find the smallest share
asked by josephine on March 5, 2016 
geometry
Jamie needs to find the missing angle of a right triangle with the third angle measuring 62 degrees. What is the measure of the third angle of the triangle?
asked by Alex on February 10, 2015 
PreCalculus
Please check: 1.Find polar equation of x^2 + y^2 = 10y r^2 for x^2 + y^2 and sin(theta sin for y =r^2=10sin(theta) 2. y=5 r=5/sin 3. x^2+y^2 =x^2 + y^2 =2x+3y
asked by Tonya on October 5, 2011 
math
A rectangle has one side on the xaxis and two vertices on the curve y=6/{1+x^2}. Find the vertices of the rectangle with maximum area. Vertices =
asked by Anonymous on October 28, 2014 
PLEASE CHECK OPERATIONS WITH FRACTIONS PART 2
10.5/74/6 A.1/21*** B.1 C.1/42 D.1/14 11.3 7/9  1 2/9 A.2 5/9*** B.2 5/9 C.5 D.4 5/9 12. 6 1/3  4 4/9 A.2 1/3 *** B.2 2/3 C.1 8/9 D.1 2/3 13. Kevin had 3/4 yard of string. He used 1/3 of the string for a school project. How many yards of string did
asked by Connexus plz help on November 1, 2016 
math
Division of rational numbers find each product 1. 1/3 * 7 A. 1/21 B. 2 1/7 C. 2 1/3 D. 3/7 I think it is B 2. 7/9 * 3/5 A. 18/35 B. 7/15 C. 18/35 D. 7/15 I think it is C 3. 1/3 divided by 5/6 A. 2/5 B. 5/2 C. 2/15 D. 5/18 I think it is C 4. 2 1/8
asked by (bella) please helppp on October 23, 2017 
Algebra 2
I am trying to find the inverse of these functions. Can someone please check my answers and tell me how to do number 2? 1. y=7^x y=log base 7 x 2. y=log base 1/2 x 3. y=2^(x)3 y=2^(x+3) 4.y=6+log x
asked by Jane on December 5, 2013 
geometry
If side b=4 inches, side c=12 inches find side a. Show all work and round to the nearest tenth
asked by pasha on March 10, 2011 
Math
In triangle ABC, angle C is a right angle. Find the measure of angle B if side b = 105 m and side c = 139 m. 49° 59° 53° 47°
asked by CC on June 8, 2011 
Statistics
how to sketch the areas under the standard normal curveover the indicated intervals and find the specified areas to the left z=0 to the left z=0.47 to the left of z=0.45
asked by Jacob on June 14, 2010 
Algebra; check please?
A television has a diagonal of 10 inches and a width of 8 inches. what is it's height? i think the answer is nine inches, am I correct? If I am not how do I find the answer?
asked by Laura on October 16, 2008 
math
A number of two digit exceed 4 times the sum of the digit by 6 and it is increased by 9 on reversing the digit then find the number.
asked by Suredra on September 14, 2016 
Add math
P(x,y) moves such that its distance from point Q(4,8)is twiceits distance from point P(2,3). Find the equation of the locus of moving point P.
asked by Michele on January 2, 2017 
science
30 ml KMnO4 solution is required to titrate 25 ml M/50 oxalic acid solution.find the molarity of KMnO4 solution and g/L also.
asked by Prince on October 25, 2013 
math
Angles A and B are supplementary angles. Find the measure of each angle if angle A is 30 degrees greater than angle A. How do I solve this?
asked by Sally123 on September 5, 2018 
Calculus
Use the ratio test to find whether the series diverges or converges. 1/5^n (1 to infinity) I think the limit converges to 1/5, so the series converges.
asked by Anonymous on February 26, 2018 
algebra
It is known that a certain function is an indirect proportion. Find the formula for this function if it is known that the function is equal to 12 when the independent variable is equal to 2.
asked by Anonymous on May 24, 2016 
math
Find a rule. Write the rule as an equation. Input X 12, 47, 9 Output Y 32, 67, 29 Rule:____________ Equation:_______________
asked by Levi on May 3, 2010 
Algebra
Two angles of a triangle have the same measure and the third one is 9 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in the triangle.
asked by Seymour on January 27, 2016 
geometry
Given that Vector BD Angle ABC, Measures Of Angle ABC =6x  12, And Angle = 72 Degres, Which Equations Could Be Used To Find The Value Of X? A  6x  12 = 72 B  1/2 (6x12) = 72 C  2(6x  12 = 72 D 6x  12= 2(72) Can Anyone Help Me How To Solve Or Help
asked by jacob on September 2, 2011 
sociology
Which theory, in conjunction with labeling theory, tries to explain how people define deviance in situations in everyday life? A. conflict theory B. functionalism theory C. network theory D. symbolic interaction i cant find this in my vocabulary list so
asked by orpheus on November 27, 2013 
Business Statistics
The Bureau of Labor Statistics’ American Time Use Survey showed that the amount of time spent using a computer for leisure varied greatly by age. Individuals age 75 and over averaged 0.30 hour (18 minutes) per day using a computer for leisure.
asked by Kim on May 5, 2015 
College Algebra
Part 1: Using the Library, web resources, and/or other materials, find the average weight in pounds of a type of bird of your choice. Use the rational exponent equation L = 2.43 * W^0.3326 to estimate the wingspan L in feet of the bird that weighs W pounds
asked by Nicole on January 25, 2009 
Physics
Two points in the xy plane have cartesian coordinates (4.6,10) and (10,3.2) I found the distance to be 19.68 but i need to find the angle between the line connecting the two points and the xaxis (measured counterclockwise from the xaxis) within the
asked by bubba on August 30, 2009 
Physics
At a certain location, the horizontal component of the earth's magnetic field is 2.3 x 10^5 T, due north. A proton moves eastward with just the right speed, so that the magnetic force on it balances its weight. Find the speed of the proton.
asked by Talha on December 12, 2011 
MATH HELP PLEASE Explain
The Kitchen Kompany operates on a 145% markup rate based on the cost. The markup on the store's new line of cabinets is $300 per cabinet. Find the cost of one cabinet and its selling price.
asked by Bradley on February 25, 2016 
Geography
For my project, it asks me to find 4 political maps of India from 1850, 1920, 1947, and 2010. After that, it asks me to write an essay explaining the historical map analysis. How do I do that from political maps?
asked by Anonymous on March 26, 2016 
chemistry
A solution is made by mixing 35.0 mL of toluene C6H5CH3d=0867gmL with 125.0 mL of benzene C6H6d=0874gmL. Assuming that the volumes add upon mixing, the molarity (M) and molality (m) of the toluene are how do you find the L of SOLUTION
asked by J on June 24, 2010 
math
: A metalic sheet of rectangular shape with 48m*36m from each of it corner a square is cut off so as to make an open box. if length of each square length is 8m find thevol&lsa of box
asked by srikar on March 7, 2016 
math 214
A group of students on a hiking trip wants to find the distance AB across a pond (see the following figure). One student suggests choosing any point C, connecting it with B, and then finding point D such that
asked by alicia on February 26, 2010 
Physics
A large plate falls to the ground and breaks into three pieces. m1 falls with v1=3m/s, 25 degrees to the left from the vertical. m2 falls with v2=1.79m/s, 45 degrees up from the horizon. And m3=1.3kg falls with v3=3.07m/s vertically down. How would I find
asked by Gharib on October 26, 2010 
Math(just check it please easy)
A salesperson makes a flat fee of $20 per day plus $8 per hour. Which equation or inequality can be used to find h, the number of hours the salesperson will have to work to make more than $60 for a day's work? F: 20h + 8 = 60 G: 8h + 20 < 60 H: 8h + 20 =
asked by Naresh Jafar on April 26, 2011 
math
the table below gives the distance jose, mario, and melanie travel for the first 3 hours. assume that each person cycles at a constant rate. find the average rate at which each person tavels during the first 3 hours.explain
asked by oretha on October 3, 2008 
statistics
a study found that the means waiting time to see a physican at an outpatient clinic was 40 minutes with a standard deviation of 28 minutes. use excel to find each probability. a. what is the probability of more than an hours wait? B. less than 20 minutes?
asked by tina on April 5, 2010 
MATHPlease help!!
I'm desperate! Find the point where the curve r(t)=(12sint)i  12(cost)j+ 5tk is at a distance 13pi units along the curve from the point (0,12,0) in the direction opposite to the direction of increasing arc length. Thanks for any advice...
asked by JDS on December 10, 2007 
Calculus
A rectangular cardboard poser is to have 150 sq ft in for printed matter. It is to have a 3inch margin at the top and bottom and a 2inch margin at the right and left. Find the dimensions of the poser so that the amount of cardboard used is minimized.
asked by Jake on October 29, 2012 
Physics
A 4.10 kg mass, m, on a frictionless table is moving in a circle with radius 0.390 m at a constant speed. m is attached to a 5.00 kg mass, M, by a cord through a hole in the table. Find the speed with which m must move for M to stay at rest.
asked by Audrey Riegel on February 22, 2013 
Math
Find the augmented matrix for each of the following systems of linear equations: (a) 3x1 − 2x2 = −1 4x1 + 5x2 = 3 7x1 + 3x2 = 2 (b) 2x1 + 2x3 =1 3x1 − x2 + 4 x3 = 7 6x1 + x2 − x3 = 0 (c) x1 + 2x2 − x4 + x5 =1 3x2 + x3 − x5 = 2 x3 + 7x4 =1 (d)
asked by Matt on October 25, 2011 
college algebra
A triangle is bounded by the xand yaxes and must pass through P(2,2) a.) find the area of the triangle as a function of x (Hint: let C be the point (0,2) and D be the point (2,0). Use the fact that ACP and PDB are similar triangles.) b.) What is the
asked by Melissa on February 28, 2012 
Math
Dayle is paddling his canoe upstream, against the current, to a fishing spot 10 miles always. If he paddles upstream for 2.5 hours and his return trip takes 1.25 hours, find the speed of the current, and his still water????????
asked by Candice Watt on February 1, 2011 
Physics
A 3.50 kg mass, m, on a frictionless table is moving in a circle with radius 0.420 m at a constant speed. m is attached to a 6.40 kg mass, M, by a cord through a hole in the table. Find the speed with which m must move for M to stay at rest.
asked by Ed on February 27, 2012 
physics urgent helppp!!!
A rocket of mass 4.50 105 kg is in flight. its thrust is directed at an angle of 49.0° above the horizontal and has a magnitude of 6.00 106 N. Find the magnitude and direction of the rockets acceleration. Give the direction as an angle above the
asked by hy on November 21, 2010 
chemistry
How do you find the halflife of an element? Please explain and show me how to do this. I know the answer is 14.3 days, but I don't know how to work it. thank you! the problem is: After 42 days, a 2.0g sample of phosphous32 contains only 0.25g of
asked by Ryan on December 13, 2007 
Physics
A 3.50 kg mass, m, on a frictionless table is moving in a circle with radius 0.420 m at a constant speed. m is attached to a 6.40 kg mass, M, by a cord through a hole in the table. Find the speed with which m must move for M to stay at rest.
asked by Ed on February 27, 2012 
trig plz help
A boat sails 20 km in a direction of N75°E. Draw the 20 km travelled in a direction of N75°E as a vector v in standard position. Find the component form of the vector v. Round your answers to the nearest hundredth.
asked by jre on March 6, 2016 
physics
A woman pushes a crate along the floor of a warehouse with a force of 31.9 N directed downward at an angle of 23.6° from the horizontal. If the crate has a mass of 11.9 kg and the coefficient of friction is 0.0975, find... (a) the force of friction b. (b)
asked by kyle on January 18, 2012 
physics
A woman pushes a crate along the floor of a warehouse with a force of 31.9 N directed downward at an angle of 23.6° from the horizontal. If the crate has a mass of 11.9 kg and the coefficient of friction is 0.0975, find... (a) the force of friction b. (b)
asked by kyle on January 18, 2012 
physics
A motor boat is moving towards north at 25km/hr and rate of flow of water is 10km/hr along a direction of 60degree is east of south.Find the resultant velocity of the boat and also the direction in which it is moving?
asked by Deepak Rathi. on September 4, 2011 
algebra
The values from a stemandleaf plot are:27,27,29,33,38,44,44,44,46,50,58,in numerical order.Please explain how to find the lower quartile for this set. I would take the median of the first five values 27,27,29,33,38;this would make 29 the lower
asked by Jack on July 20, 2017 
Phy
A wooden frame weighing 20N is hung on a nail using a two ropes as shown below find the tension in the rope. The left side has 50¡ã under it is T and The right side hast 50¡ã under it is T /\ / \ 50¡ã/ \50¡ã ___/_T_____T_\__    
asked by Aigbuduokhai on March 17, 2016 
Are all answers right?
The sample space for a roll of two number cubes is shown in the table. (1,1)(1,2)(1,3)(1,4)(1,5),(1,6) (2,1)(2,2)(2,3)(2,4)(2,5)(2,6) (3,1)(3,2)(3,3)(3,4)(3,5)(3,6) (4,1)(4,2)(4,3)(4,4)(4,5)(4,6) (5,1)(5,2)(5,3)(5,4)(5,5)(5,6)
asked by Sandy on February 25, 2016 
pre calc
a salt shaker is sitting 4cm from the center of a lazy susan. phoebe small spins the lazy susan through an angle of 120. how do i set this up to find how many radians the shaker turned?
asked by jill on January 4, 2010 
STATISTICS
A store owner complains that, on the average, 3 bottles per case of a certain brand of softdrink are underfilled. Assuming this is correct, find the probability that a randomly chosen case of this drink will contain at least 4 underfilled bottles.
asked by NARUTO on March 21, 2016 
physics
a window easher pushes his brush up a vertical window at constant velocity by applying a force F as shown below. The brush weighs 12 N and the coefficient of the kinetic friction is 0.2. find the magnitude of force F.
asked by michelle on April 17, 2014 
Trig/PreCalc
An airplane is flying on a compass heading of 160 degrees at 425 mph. A wind is blowing with the bearing 200 degrees at 75 mph. Find the actual speed and direction of the airplane.
asked by Susan on January 10, 2017 
math
Find a polynomial f(x) with leading coefficient 1 and having the given degree and zeros. Each polynomial should be expanded from factored form, simplified and written in descending order of exponents on the variable. For example: (x+5)(x2) should be given
asked by marissa on April 12, 2011 
math
There is an 88% chance that a Dumbo battery is not faulty.Dean orders 300 triple packs of Dumbo batteries for his shop.Find an estimate for the number of pack that contain exactly 2 faulty batteries... I m thinking about 36 but I m not sure.
asked by Damian on September 17, 2017 
Math
an arch of a bridge is made by bending a steel beam into the shape of a semi circle, if the span (diameter) of the arch is 20m, use the value 3.14 for π to find the length of the steel beam to the nearest meter
asked by Simon on June 14, 2018 
maths
In the green rectangular board of measure 20×15 ,there is a white square with side 10 units. In the square, there is a orange right angle triangle of measure 3×4×5 . Find the probability that a dart strikes in orange portion
asked by sanjay on January 2, 2017 
Math
1. A rectangular field with an area of 5000m^2 is enclosed by 300m of fencing. Find the dimensions of the field: A. 100m x 50m B. 75m by 75m C. 150m x 150m D. no solution Please explain answer. Thanks!
asked by ND on September 26, 2007 
Physics
Starting from Newton’s law of universal gravitation, show how to find the speed of the moon in its orbit from the earthmoon distance of 3.9 × 108 m and the earth’s mass. Assume the orbit is a circle.
asked by Calitryphosa on December 16, 2011 
Physics
A 5.0 cm real object is placed at a distance of 5.0 cm from a concave mirror of focal length 10 cm. Find the size of the image. A. 5 cm B. 10 cm C. 17 cm D. 20 cm I think it is B? A(n) _______ lens is used to produce a real image. A. convex B. concave C.
asked by sophie on April 6, 2009 
physics
A woman pushes a crate along the floor of a warehouse with a force of 31.9 N directed downward at an angle of 23.6° from the horizontal. If the crate has a mass of 11.9 kg and the coefficient of friction is 0.0975, find... (a) the force of friction b. (b)
asked by kyle on January 18, 2012 
Physics
A 14.1kg cart travelling at 15km hr collides with a 23.4 kg cart travelling at 11km hr and the carts stick together. Find the final velocity and the amount of kinetic energy lost in the final collision.
asked by Gunner on August 16, 2017 
math
A 2005 Honda minivan can travel 240 miles in the city on 4 gallons of gas. Find the amount of gas required for 360 miles of city driving. (hint: use a proportion).
asked by leigh on July 6, 2011 
Phy
A wooden frame weighing 20N is hung on a nail using a two ropes as shown below find the tension in the rope. The left side has 50¡ã under it is T and The right side hast 50¡ã under it is T /\ / \ 50¡ã/ \50¡ã ___/_T_____T_\__    
asked by Aigbuduokhai on March 17, 2016 
physics
A charge q1 = 5 nC is located at the origin of xy copedinate system, and a charge of q2 = 2 nC is located on the yaxis at y =.30m. Find the components of the electric field and its magnitude and direction at a point P with coordinates (.40m, .30m).
asked by micah on March 9, 2016 
algebra
use guess and check to solve the following problem. Write your solution as a sentence. A cable 84 meters long is cut into two pieces so that one piece is 18 meters longer than the other. Find the length of each piece of cable.
asked by mike on September 17, 2009 
Physics help me plss
An aricraft carrier has a mass of 8.6*10^7 kg and can cruise at 80 km/h. a) What is the work required to stop it? B) If only half of the work required to stop it is done, what is its final speed in km/h For a) I found 2.123*10^10 which is the right answer
asked by PHYSICSS PLS on March 27, 2016 
physics
A rocket of mass 4.50 105 kg is in flight. its thrust is directed at an angle of 64.0° above the horizontal and has a magnitude of 7.50 106 N. Find the magnitude and direction of the rockets acceleration. Give the direction as an angle above the
asked by megan on November 20, 2010 
Physics
a 35 g ice cube at 0.0 C is added to 110 g of water in a 62 g aluminium cup. The cup and the water have an initial temperature of 23 C . Find the equilibrium temperature of this system? in Celsius ,, I've been trying to solve this for 2 hours now , and I
asked by AfterLife on August 20, 2011 
College Math
Find the amount of interest and the monthly payment for the loan. Purchase a living room set for $3,400 at 12% addon interest for 5 years. (Round your monthly payment to the nearest cent.)
asked by Jessica on August 25, 2012 
trigonometry
There is a plane arriving into Denver, CO. The plane is landing with an angle of depression of 42°. The plane is 18,000 feet off of the ground. Find how far the plane will travel horizontally before hitting the ground. (Round to the nearest hundredth)
asked by chana on October 18, 2012 
Stereotypesworkplace
can u please give me websites that talks about: the stereotypes in workplace on: "women works better with men than women" because that way there is less fight and competition. or Stereotypes on GENDER in workplace I've been trying to find as much as i can
asked by Thara! on June 8, 2010 
physics
An auto race takes place on a circular track. A car completes one lap in a time of 22.8 s, with an average tangential speed of 37.3 m/s. Find (a) the average angular speed and (b) the radius of the track.
asked by Tyler on February 1, 2017 
Algebra
I distributed 3x^2+x10=f(x) to find the zeroes. My book's answer was (3x5)(x+2). When I distributed this to make sure I got the original function, I got 3x^2x10. Is this still an acceptable way to factor it even though the x is negative instead of
asked by Adriana on October 25, 2009 
Calc 2
Approximate the arc length of the curve y=(1/4)x^4 over the interval [1,2] using the Trapezoidal Rule T8. I was never taught how to use the Trapezoidal Rule, so I was surprised to find this problem in my most recent Calculus assignment. How would you solve
asked by EKM on May 2, 2018 
Physics help me guys
An aricraft carrier has a mass of 8.6*10^7 kg and can cruise at 80 km/h. a) What is the work required to stop it? B) If only half of the work required to stop it is done, what is its final speed in km/h For a) I found 2.123*10^10 which is the right answer
asked by LEXIMAHO on March 26, 2016 
precaculus
Convert the rectangular coordinate (2,2) to polar form and find two additional representations of this point. Can you check my work and explain how to finish the question? r=√(2)2+(2)2 r=2√2 tan theta = (2)/2 theta = 1 polar coordinate= (2√2, 1)
asked by Anonymous on December 12, 2016 
physics
A rocket of mass 4.5 105 kg is in flight. Its thrust is directed at an angle of 45.5° above the horizontal and has a magnitude of 7.60 106 N. Find the magnitude and direction of the rockets acceleration. Give the direction as an angle above the horizonal.
asked by Dee on February 7, 2013 
Math
A triangular trench 40ft long is 2ft across the top, and 2ft deep. If water flows in at the rate of 3ft³/min, find how fast the surface is rising when the water is 6 in deep.
asked by Leeya on September 2, 2016 
solid mensuration
A cylindrical tank with flat ends has a diameter of two meters and is 5meters long. It is filled with fuel to a depth of one and onehalf meters. Find the volume of the fuel in the tank in liters. plsss help!!
asked by leo on May 13, 2011
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