
calculus
Use the fourstep process to find the slope of the tangent line to the graph of the function at the given point and determine an equation of the tangent line.f(x)= x^2  5x +2 (1, 2)
asked by Duane on October 20, 2014 
math
by selling 125 cassettes, a man gains an amount equal to the selling price of 5 cassettes. find the gain per cent
asked by ekta on February 17, 2014 
Trigonometry
Given the coordinates of A and C ad (6,5) and (6,7) respectively and point B is on AC. Find the coordinates of B such that the ratio of AB to BC is 3:1 I just need an assurance because I got the answer (30,31). And I started to feel weird if my answer is
asked by Hannah on July 29, 2019 
math
adnan bought 96 eggs at the rate of 40 per dozen and sold at the rate of rs 4 per egg.find the %age of profit if 3 egg were rotten
asked by tooba on October 23, 2018 
Algebra
Find x if 2^16^x = 16^2^x Just to make this clear, if you were reading this aloud, it would sound like this: if 2 to the power of 16 to the power of x equals 16 to the power of 2 to the power of x. So basically, the x would not be the same size as the 2 or
asked by Cassie on March 6, 2009 
History
After the election of 1828 why did people consider andrew jackon "the rise of the common man"? I have searched put I cant find anything that says why he was known as the common man.
asked by Carla on November 7, 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 
Science 8
The question is "Explain the difference between a filament and a photophore." I know that a photophore is a machine that an optomitrist uses to find your prescription for glasses, but I am not sure what a filament means. Please Help!
asked by Maddison on April 24, 2010 
Mathematics
P=kd varies directly If the pressure is 125 pascal when the water is 2m deep,find the pressure when it is 4.5 meters deep . can you show me the solution?
asked by Anonymous on October 30, 2017 
ap chem
ok, so i have to find the mass of the HNO3 in 1 L and the mass of the H2O in 1 L. I'm given: HNO3 solution 1.42 g/mL 16M I'm really terrible at this stuff and it should be easy, but I have no idea where to start.
asked by dylan on February 25, 2011 
Math
A number cube is marked with 1,2,3,4,5, and 6 on its faces. Suppose you roll the number cube one time. Find the probability of each event. #1. P(4) #2. P(4,5, or 6) #3. P(3 or 5) Could someone let me know if these are correct, THANK YOU! #1. 1:6 1/6 1 to 6
asked by Plshelp on September 14, 2007 
Math
A bag contains 10 yellow, 15 blue and 5 red Marbles. Mark chooses a candy and doesn't replace it in the bag. Find P (neither blue)
asked by Anon on February 14, 2013 
Math
The radius, r, in centimeters, of a melting snowball is given by r=55−1.5t, where t is the time in hours. The V=4/3πr^3 cm^3. Find a formula for V=f(t), the volume of the snowball as a function of time.
asked by George Carl on February 10, 2018 
MATH
The moon's distance from the earth is 360000 km and its diameter subtends an angle of 31 minute at the of the observer on the earth . Find the radius of the moon.
asked by Pankaj on March 5, 2016 
math
the official size of a NCAA basketball has a circumference of almost 31.4 inches. find the amount of cubic inches of air that the basketball can hold.
asked by bryce on February 5, 2013 
Prealgebra
Please help me to solve this word problem. How do I write and equation and solve? Find three consecutive even integers such that 50 times the smallest is 88 less than 46 times the largest
asked by Mikey on February 7, 2018 
Math
A house had an original value of $80,000. After 2 years, the new value became $120,000. Find the ration, as a fraction in simplest form, of the increase in value to the original value.
asked by Sandra Aged College Student on September 14, 2009 
Algebra
A student opens a math book to 2 facing pages. The product of the page numbers is 930. Find the page numbers.
asked by SuziQ on March 17, 2008 
Physics
You run a race with your friend. At first you each have the same kinetic energy, but then you find that she is beating you. When you increase your speed by 21.0%, you are running at the same speed she is. If your mass is 77.0 kg, what is her mass?
asked by Jake on February 10, 2013 
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 
5th grade
I am doing a history project on ancient rome was wondering if anyone knows where I can Ancient Rome natural resouces and how they were used. I don't know if I'm looking it up right all I seem to find is that they planted olives. Thanks
asked by brooke on May 29, 2010 
math
Ellen drove 220 miles in 3.5hours. To the nearest tenth, find Ellen's average speed in miles per hours
asked by keshia on April 19, 2012 
trg
An earth embankment is 27 m long and has a crosssection shown in the diagram. Find the volume of earth needed to build the embankment.
asked by p on September 15, 2013 
math
The distance between two piers is S miles. Two boats started moving simultaneously at speeds R1 and R2. How can you find the distance D between them if they moved for T hours towards each other from the two piers
asked by EinsteinSmartsBrain on October 22, 2017 
geometry
hi! ok so im stuck on thes problems. the question is the variable expressions represents the angle measures of a triangle. find the measures of each angle. ok so the first one is m
asked by eao on October 7, 2008 
math
A quantity T is partly constant and partly varies as the square root of s. a) Using constant a and b, write down an equation connecting T and S. b) If S = 16, and when T = 24 and S = 36 when T = 32, find the value of the constants a and b.
asked by kudu on February 9, 2015 
trig
The rectangular coordinates of a point are given (0,6). Find polar coordinates of the point such that r greater than 0 and 0 less than or equals theta less than 2pi. how to solve this damon please help me
asked by Asfand on November 28, 2016 
math
the count of bacteria in a certain experiment was increasing at the rate of 2% per hour find the bacteria at the end of 2 hours if the count was initially 500000
asked by Anonymous on October 26, 2018 
statistics
A student scored 84 points on a test where the mean score was 79 and the standard deviation was 4. Find the student's z score, rounded to 2 decimal places
asked by RGCLARK on February 24, 2012 
Maths
adnan bought 96 eggs at the rate of Rs.40 per dozen and sold at the rate of Rs.4 per egg.find the percentage of profit,if 3 eggs were rotten.
asked by Rahim shah on October 13, 2016 
geometry
the diagonal VY of a cuboid =root(26.25)cm, the length of a side ZY = 4cm and the height of a sideUZ =25cm for the cuboid. Find the width of the width UV.
asked by lindsay on April 24, 2012 
physics
The vertical and horizontal component of the initial velocity of a projectile are 36m/s and 64m/s. Find the initial velocity and angle inclination
asked by charles on March 6, 2016 
Calculus
Sketch the graph of f(x)=x^4 + 4x^3  16x + 16: Find the critical points, concave up/down, inflection points, vertical asymptotes and horizontal asymptotes.
asked by Alan on April 17, 2012 
MATH
hmm...i need help on this problem, anyone know how to o this? (if u can, put a stepbystep solution) i would really be grateful. the coordinates of two points are A(2,6) and B(9,3). find the coordinates of the point C on the Xaxis so that AC=BC
asked by jacob on December 7, 2008 
Math
the figures are similar. the are of one figure is given. find the area of the other figure to the nearesr whole number. the area of the larger triangle is 1,589 ft squared
asked by Anonymous on November 20, 2011 
Math
Lee has 35 dimes and quarters that total $5.00. Solve the system of equations to find how many dimes and how many quarters he has. d+q=35 0.1d+0.25q=5 Please show your work thanks
asked by Sadie on February 25, 2012 
Science
A jet aircraft is traveling at Mach 2.5 through air at 1 °C. What is the jet's speed in m/sec? I can do the equation myself, I just need to know what equation I need to do in order to find the answer.
asked by Elisabeth on April 3, 2013 
physics
A large, flat, horizontal sheet of charge has a charge per unit area of 2.05 µC/m2. Find the electric field just above the middle of the sheet. kN/C
asked by priya on September 13, 2013 
Calculus
the edge of a cube was found to be 18 inches with a possible measurement error of 0.1 find the max possible error in calculating the surface area of the cube
asked by angie on April 18, 2012 
grammar
Which is correct? 1. What did you do on the winter break? or 2. What did you do on winter break? I believe #2 is correect because the `the` is not needed. However, I cannot find a clear rule to support this. Please advise. James
asked by James on February 18, 2011 
Physics
if light is incidence at a depth of 246cm, 224cm of a coin in a tank, refractive angle is 30 degree find the incidence angle
asked by J. black on October 8, 2016 
geometry
Between the points (8,6) and (8, 6) find A.) The distance (simplified radical form use sqrt(n). B.) The midpoint ( use ( , ) and .5 for 1/2. Separate answer with commas. Distance, midpoint
asked by Daniel on May 8, 2012 
Math
AB is a 6 m high pole. CD is a ladder inclined at an angle of 60 degrees to the horizontal and reaches up to a point D of the pole. If AD = 2.54 m, find the length of the ladder
asked by Anonymous on September 18, 2017 
Calculus
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y = 4(x^(1/2)), y=4, and 2y +2x = 6 I keep getting an area around 21.3 but it is incorrect. Am I close? Thank you!
asked by Donna on July 11, 2013 
Maths
The count of bacteria in a certain experiment was increasing at the rate of 2 per hour. Find the bacteria at the end of 2 hours if the count was initially 500000.
asked by Sneha on October 17, 2016 
English words
I need to know a SIMPLE definition for the following words and I don't know how to find SIMPLE definiton! Here are the words: 1.) Irony 2.) looting 3.) reverie 4.) plague 5.) hamper
asked by Lynn on March 13, 2008 
physics
A large, flat, horizontal sheet of charge has a charge per unit area of 2.05 µC/m2. Find the electric field just above the middle of the sheet.
asked by preya on September 8, 2013 
math algebra trig
For the graph of each function, find an equation of the line of symmetry and the coordinates of the vertex. Tell whether the value of the function at the vertex if a maximum or a minimum: a) y = x^2 + 4x  7; b) y = 2x^2 + 4x; c) y = 3x^2  18x + 5.
asked by CHEYANNE MARIE on May 5, 2012 
ap chem
ok, so i have to find the mass of the HNO3 in 1 L and the mass of the H2O in 1 L. I'm given: HNO3 solution 1.42 g/mL 16M I'm really terrible at this stuff and it should be easy, but I have no idea where to start.
asked by dylan on February 25, 2011 
math
A factory produces bicycles 6 motorcycles in 9 hours. Write a proportion and solve it to find how many hours it takes to produce 16 motorcycles
asked by Brittany on February 19, 2013 
Math
Find the Circumference. a) Give an exact answer in terms of pi. 42pi C=pi*d=pi.pi*42=42pi. Use pi~22/7,and express your answers as a fraction in lowest terms.
asked by Miracle on May 2, 2016 
math algebra
a square parking lot has a surface area of (w^42w^2x+x^2) square feet. Factor this trinomial to find the length of one side in feet.
asked by carl on March 19, 2014 
math
If $3500 is invested at an interest rate of 6.25% per year, compounded continuously, find the value of the investment after the given number of years. a) 3 years b) 6 years c) 9 years
asked by Anonymous on February 20, 2014 
statistics
From experience, an airline knows that only 80% of the passengers booked for a certain flight actually show up. If 8 passengers are randomly selected, find the probability that fewer than 7 of them show up.
asked by george on March 20, 2014 
MATH!
A multiple choice test has 5 questions each with 5 possible answers. Find the probability of answering all the questions correctly. A. 1/3,125 B. 1/25 C. 1/625 D. 1/125 Is it B?
asked by Be Sweet! <3 on February 24, 2016 
geometry
If rectangle ABCD has vertices A(6, 2), B(2, 2), and C(0, 6), explain how to find the coordinate for the fourth vertex. Then describe how to verify that the angles of ABCD are right angles.
asked by Hannah on May 24, 2016 
Math
The revenue R from selling x number of phone widgets is given by , and the cost C of producing those widgets is given by . Find the number of widget it requires to break even.
asked by Liz on October 4, 2011 
Physics (Please help!)
Three resistors of different values can be connected together in different configurations. If all three resistors are used in a circuit, how many different values of total resistance can be produced? I can only find five... but the answer key says eight.
asked by DCM on April 8, 2012 
Business
I have some questions on centalized and decentralized distrubtion centres. i need to find out the pros and cons of both centalized/decentralized. please could somebody help me/point me in the right dicetion. it would be a big help... thanks!
asked by Sam on November 28, 2008 
algebra
Graph each of the following equations below using their intercepts?. 19x  38y = 76 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.
asked by jenny on January 31, 2007 
Persuasive writing....
I will be teaching my grade 5 students a lesson on persuasive writing. Do you know where I could find some sample persuasive essays to show them, especially ones that are on fifth grade level. Thanks for your help
asked by Rena on December 5, 2008 
maths
By increasing the speed of a car by 10km/hr the time of journey for a distance of 72 km is reduced by 36 min. Find the original speed of the car ?
asked by kumar on September 12, 2017 
Math
The iron cross is a skiing trick in which the tips of the skis are crossed while the skier is airborne. Find the value of x in the iron cross shown.
asked by Anonymous on February 23, 2016 
algebra
graph each of the following equations below using their intercepts?. 18x + 36y + 72 = 0 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.
asked by jenny on January 31, 2007 
math
in the triangle ABC , AD ray bisects the exterior angle of the triangle at A and intersects CB ray at D . if AB = 6 cm , AC = 8 cm , and BC = 5 cm , find the length of BD line segment
asked by Hossam Nassar on March 2, 2011 
Math
The sides of two similar trapezoids are in a ratio of 1:3. The area of the smaller trapezoid is 12 inches squared. Find the area of the larger trapezoid
asked by Abbey on February 23, 2016 
math
A trader allows a discount of 20% of his goods and still makes at profit of 25%. Find the profit % made, if he sells his good at (i) Marked price (ii) at 10% discount.
asked by msc on February 25, 2016 
PreCalculus
Find a solution to the equation if possible. Give the answer in exact form and in decimal form rounded to three decimal places. 1=21tan(2x+2)6
asked by Becky on January 28, 2013 
mathematics
A book contains 192 pages. A boy reads x complete pages everyday. If he has not finished the book after 10 days, find the highest possible value of x.
asked by boluwatife on February 12, 2015 
math
The roof of a home rises vertically a distance of 8 ft through a horizontal distance of 12 ft. Find the pitch (slope) of the roof plz help ASAP
asked by Anonymous on May 3, 2016 
Math
The adjacent side of a parallelogram are 15cm and 8cm. It the distance between the longer sides is 4cm, find the distance between the shorter sides
asked by Narender kumar on December 6, 2016 
math
I need help with "write in equation in slopeintercept form for the line that is parallel to to the given line line and and that passes through the given point. y=1/2x=5;(4,3) How do you find a line that is perpendicular. Please and thank you! :)
asked by Kerri on February 8, 2014 
algebra
Marcus plotted the points (0,0),(6,2),(18,6), and (21,7) on a graph. He wrote an equation for the relationship. Find another ordered pair that could be a solution of Marcus's equation.
asked by ks on April 1, 2015 
history
I am doing a "report" on the gas Chambers in Auschwitz during WWII. I am trying to figure out more about how long it took for the prisoners to learn the truth of the gas chambers but I cant find anything help please?
asked by Karissa on February 21, 2010 
Math
Write 27 as a number is base five. The number 1000^2 is what in base ten? The intersection of two disjoint sets is? Find the solution set of 8x = 32.
asked by John on January 5, 2011 
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
As a reduced fraction what is the difference between the value of the mean and the value of the median in the data set below: 8, 11, 3, 5, 9, 7, 12, 13, 5? does this mean to find the mean and the median and subtract? because if it does then the answer I
asked by Anonymous on September 9, 2009 
physics
A projectile is fired off a cliff at an angle of 60 degrees to the horizontal. The height of the cliff is 48 meters and the velocity of the projectile is 80 m/s. Find the range (dx)
asked by jay on November 2, 2017 
math
A wooden ball 7 inches in radius sinks to a depth of 10 inches in a river. Find the exposed area of the ball above the water.
asked by michael on October 11, 2011 
History
I need to find out how attempts on the tallest mountains are different now from when Hillary achieved his conquest. Was Hillary's achievement greater than those achieved in the last ten years?
asked by Ryan on April 21, 2008 
Algebra
Let f(x)3x7/x+1. Find the range of f. Give your answer as an interval. Please enter your response in interval notation. I figured out the domain, ( inf,1) and (1, inf) .
asked by Trish Goal on October 26, 2014 
Physics
Mandy picks up a 25 N book from the floor to a height of 0.50m. How much work does Mandy do? (Hint use w=mg to find the force necessary to move the book)
asked by Jennifer Tran on April 8, 2013 
Physics
Some air at 275 kPa absolute pressure occupies 50.0m^3. Find its absolute pressure if its volume is doubled at constant temperature.
asked by Madison on April 11, 2012 
Precalc
Find the effective rate of interest for 5.25% compounded quarterly. I don't know how to solve this. Would I use this equation A=Pe^(rt) But still I don't know because even if I put the given info into the equation I still need P and A
asked by Amy on January 12, 2011 
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 please help
The sales tax oon a $350 computer is $22.75. Find the saes tax rate. 24 red marbles is 40% of _____ marbles.
asked by turnalina on November 12, 2014 
Geometry B
Find the exact length of the altitude drawn to the hypotenuse. Do not round. The triangle is not drawn to scale. A triangle with base measures of 9 & 17. Please help
asked by Anonymous on February 12, 2015 
phy
Some air at 275 kPa absolute pressure occupies 50.0m^3. Find its absolute pressure if its volume is doubled at constant temperature.
asked by Ricky on April 11, 2012 
Math
Given that the Consumer Price Index was 72.6 in 1979 and 82.4 in 1980, find the inflation rate from 1979 to 1980 to the nearest hundredth of a percent.
asked by Bo on September 26, 2017 
Math
1. Find the area of a parallelogram with base b and height h. b = 87 cm h = 18.6 cm (1 point) 105.6 cm2 211.2 cm2 809.1 cm2 1,618.2 cm2
asked by MoNoPoLy on May 13, 2019 
Algebra
Find the slope (or pitch) of the roof shown below. 13 ft. ____13.8 ft. The pitch of the roof is ___ % (Round to the nearest percent as needed)
asked by Student5 on February 7, 2014 
geometry
For that problem: A board that is 12 feet long must be cut into 2 pieces that have lengths in a ratio of 3 to 2. Find the lengths of the two pieces. when answering the question why was it 3/5=x/12? where did the 5 come from?
asked by shannon on February 27, 2011 
Math
Find the volume of a sphere with radius 9 yd. A. 3,829.7 yd3 B. 3,052.1 yd3 C. 381.5 yd3 D. 339.1 yd3 the answer is B=3052.1
asked by jill on March 17, 2016 
geometry
The surface area of a right rectangular prism is 112 sq units. The height is twice the width. The length is 4 units more than the height . Find the volume.
asked by Piggy on February 22, 2012 
9th grade
Hi, am trying to find out if my son did a collage right ? It is due tommorrow it is a who i am collage which is suppose to show pictures of his personality that people know about him and things people do not know about him?
asked by rosemary on September 29, 2008 
Math
One solution of 12x^323x^23x+2=0 is 2. Find all other solutions. I tried rearranging the equation to factor by grouping, but that 23x^2 is bothersome and I can't get the right answers (I know the answers are 2, 1/4, and 1/3). Help? Thank you!
asked by Momo on February 3, 2010 
math
Find the volume of a can of soup that has a height of 16 cm and a radius of 5 cm. Use 3.14 for pi. A. 1,256.0 cm3 B. 251.2 cm3 C. 4,019.2 cm3 D. 502.4 cm3 im lost
asked by LovelyCaity on October 6, 2014 
Algebra
Find a trigonometric equation in the form y = a sin (b (xc)) which has a minimum of (3, 5) and a zero value of (6, 1). There is a graph with the minimum and the zero value labeled. It is wavy with suggests that it is a sin curve.
asked by John on June 11, 2017 
Graphing Circles  Finding the radius
A circle is tangent to the yaxis at the point (0,2) and passes through the point (8,0). Find the radius of the circle. I tried using distance formula but it doesnt work? Help please thanks.
asked by Knights on March 10, 2013 
Algebra
rectangular room is 3 3 times as long as it is wide, and its perimeter is 40 40 meters. Find the dimension of the room. The length is : meters and the width is
asked by Seymour on January 27, 2016
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