
Physics
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.45 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 5.18 × 10−11 m. Answer in units of N
asked by Kaylee on June 22, 2014 
math
Joyce is buying a pair of jeans for $39.99. The jeans are on sale at a 20% discount and the sales tax is 7%. Write a function T(x) to represent the total cost of an item with 7% sales tax. Find the composite function (T of S)(x).Use the composition to find
asked by cierra on October 27, 2015 
PreCalculus
3. Joyce is buying a pair of jeans for $39.99. The jeans are on sale at a 20% discount and the sales tax is 7%. Write a function T(x) to represent the total cost of an item with 7% sales tax. Find the composite function (T of S)(x).Use the composition to
asked by PLEASE HELP on October 27, 2015 
REALLY NEED HELP
Joyce is buying a pair of jeans for $39.99. The jeans are on sale at a 20% discount and the sales tax is 7%. Write a function T(x) to represent the total cost of an item with 7% sales tax. Find the composite function (T of S)(x).Use the composition to find
asked by cierra on October 27, 2015 
Math "Need Help Asap"!
"Find each percent of markup?" 5.)Store's cos:$26 selling price:$39 6.)Store's cost:$125 selling price:$168.75 7.)Store's cost:$75 selling price:$90 "Find each selling price round to the nearest cent?" 8.)"A Video game costs a store $20. If the store sells
asked by #FreeGucci on May 27, 2016 
probability
The lifetime of a typeA bulb is exponentially distributed with parameter λ. The lifetime of a typeB bulb is exponentially distributed with parameter μ, where μ>λ>0. You have a box full of lightbulbs of the same type, and you would like to know
asked by A on April 3, 2014 
Alexander the great fact
I have a research paper due shortly and well when i was taking notes i didn't label a few of them(stupid i know) so now, I returned the books to the library, and i wrote the paper, and one fact which I think is good is that the seers he brought with him
asked by Jonathan on July 2, 2007 
Physics
A car acclerates at 4m/s/s for 5s and then drove at its final velocity for 8s. It then decelerates at 2m/s/s for 2s. Draw a velocitytime graph and use the graph to find the distance covered during the 15s described. Would I plot (5,8) and then draw a line
asked by Anna on September 19, 2006 
MATH
Suppose that 3% of all adults suffer from diabetes and that 29% of all adults are obese. Suppose also that 2% of all adults both are obese and suffer from diabetes. (a)Find the probability that a randomly chosen adult is obese, given that he or she suffers
asked by Anonymous on March 15, 2015 
Art
Thank you very much, Writeacher. 1) Can you help me find online exercises on sentence connectors (expressing addition, contrast, etc). I need my students to practise how to write a cohesive paragraph (including an introduction and a conclusion). By the
asked by Franz on June 3, 2012 
math, algebra
The problem states find the simple interest . Assume a 360 day year. Round result. $17000 at 9% for 119 days. So, I know i have to use the formula I=Prt so my p = 17000; r = 0.09; t= ? how do iwrite out time if it has 119 days and the t needs to be in
asked by student on June 28, 2007 
math
charge account with MasterCard. Her credit limits is $ 1,000, but she not charged that much since opening the account. Nancy hasn't had the time to review her monthly statement promptly as she should, but over the upcoming weekend she plans to catch up on
asked by Peter on June 28, 2014 
physics
Question 01: 2.0g of Nitrogen gas is at 270C in a fixed volume. If 20% of its total internal energy is due to rotation what is the average velocity of nitrogen molecules? What will be the temperature 2.0 g of Helium gas in a fixed volume if the average
asked by hash on February 12, 2017 
English
Can someone check my my post? Thank you very much in advance. Franco At the end of the 19th century and the beginning of the 20th century, millions of people emigrated to the USA as they wanted to escape from poverty, unemployment, and political and
asked by Franco on January 7, 2015 
Help Please Statistic
7. The table below shows the probability distribution of the types of food purchased by students from the school cafeteria. What is the probability a student has purchased Caesar salad? (2 points) 0.17 Suppose houses are available for purchase during
asked by Tikima on March 24, 2014 
****HELP**** STATISTIC
The table below shows the probability distribution of the types of food purchased by students from the school cafeteria. What is the probability a student has purchased Caesar salad? (2 points) 0.17 Suppose houses are available for purchase during
asked by Tikima on March 25, 2014 
English
I posted this yesterday, that I need to modernize an Ancient Greek myth. bobpursely replied with an idea that I could do the Siren sisters as cheerleaders, but I couldn't find a myth about them, they're in two different myths. Like I've been thinking of
asked by Raj on May 10, 2007 
Probability
Could someone please check this and let me know if I'm doing it correctly? Sammy and Sally each carry a bag containing banana, chocolate bar, and a licorice stick. Simutaneously, they take out a single good item and consume it. The possible food items that
asked by Mary on October 28, 2006 
Statistics/Probability
A certain brand of candies have a mean weigh of 0.8576 g and a standard deviation of 0.0523. A sample of these candies came from a package containing 447 candies,and the package label stated the net weight is 381.3 g. (If every package has 447 candies, the
asked by slomomo on March 5, 2015 
Physics question
Students decide to measure a projectile's range for an initial projectile angle of 45°. This angle has many advantages, not the least being that since the expression for the range is proportional to the sine of twice this angle, errors in determining the
asked by Anonymous on June 19, 2012 
Art
1.An art historian notices that two neighboring cultures use a similar style when sculpting horses. This is likely an example of A. Shares interests in the equine form B. Baroque style C. Cultural exchange**** D. Orientalizing Style 2.An artist loved to
asked by Anonymous on January 28, 2016 
math urgent
1. You mix the letters S, E, M, I, T, R, O, P, I, C, A, and L thoroughly. Without looking, you draw one letter. Find the probability that you select a vowel. Write your answer as a fraction in simplest form. (1 point) 2. Suppose you spin the spinner once.
asked by NIKE on May 1, 2012 
maTH
1. You mix the letters S, E, M, I, T, R, O, P, I, C, A, and L thoroughly. Without looking, you draw one letter. Find the probability that you select a vowel. Write your answer as a fraction in simplest form. (1 point) 2. Suppose you spin the spinner once.
asked by uijo on May 1, 2012 
calculus
1.) Find the derivative of ((x + 3)/e^x) ^ (Log e X) 2.) T/F (log e X)' = (log e x)' 3.) T/F (Log e 7x)' = (log e x)' 4.) Find the derivative of e^(log e 7x)
asked by Alex on March 15, 2015 
ALGEBRA
A BOATMAN ROWS TO A PLACE 48KM DISTANT AND BACK IN 14 HOURS; HE FINDS HE CAN ROW 4KM WITH THE STREAM IN THE SAME TIME AS 3KM AGAINST THE STREAM. FIND THE RATE OF THE STREAM?
asked by megan on June 20, 2015 
physics
10. The velocity of light in a transparent liquid is 1.8X10cm/second, while in vacuum it is 3X10^3cm/second. Find how much the bottom of the vessel containing this liquid appears to be raised if the depth of the liquid is 25cm.
asked by paresh Ghosh on February 4, 2016 
Physics
The region of the solar system between Mars and Jupiter contains many asteroids that orbit the Sun. Consider an asteroid in a circular orbit of radius 4.0 1011 m. Find the period of the orbit IN SECONDS!!!???
asked by Anon on October 22, 2011 
Literature
A play is not finished in the same way that a poem or a novel is because a. it must have a definite beginning, middle, and end b. it has to be beautifully written c. after it is written, it still needs to be brought to life on stage d. after it is written,
asked by y912f on January 31, 2009 
physics
Two carts with masses of 15.5 kg and 1.0 kg, respectively, move in opposite directions on a frictionless horizontal track with speeds of 6.0 m/s and 2.0 m/s, respectively. The carts stick together after colliding headon. Find the final speed of the two
asked by jesse on January 26, 2011 
health
You can find ways to manage stress by ________. A. Getting active and eating healthy B. Pushing yourself to work harder C. Dismissing any signs of stress D. Keeping what’s causing your stress to yourself is it A??????????
asked by vickie on September 6, 2013 
PHYSICS
A BOATMAN ROWS TO A PLACE 48KM DISTANT AND BACK IN 14 HOURS; HE FINDS HE CAN ROW 4KM WITH THE STREAM IN THE SAME TIME AS 3KM AGAINST THE STREAM. FIND THE RATE OF THE STREAM? please help me :(
asked by CASS on June 20, 2015 
trigonometry
Peter has three sticks measuring 19 inches, 23 inches, and 27 inches. He lays form a triangle. Find the measure of the angle enclosed by the 19 inch and 23 insides to the nearest degree.
asked by Anonymous on April 28, 2013 
Physics
when a wire of length 5m & radius 0.5mm is stretched by a load of 49N the elongation produced in the wire is 0.1cm find the energy stored per unit volume of the wire?
asked by Sonal on May 31, 2013 
Hum Media 176
Do we have too many media choices? Do 24hour cablenews networks such as CNN and Fox News enhance our ability to find information or hamper it? Are 24hours news stations necessary?
asked by Wonk on October 17, 2011 
Math
Find all solutions to the equation sqrt(23x)= 9. Express your answer as a common fraction. I squared both sides and I got 49z^2=81 and then 9z^2=77 then I divided both sides by 9 and now I am stuck, I know I can square root both sides. But I think
asked by Mark on December 3, 2014 
physics
A body slides down a curved track which is one quadrant of a circle of radius R. If it starts from rest at the top of the track and there is no friction, find the speed at the bottom of the track is R equals 5 m.
asked by pakilina on November 3, 2011 
physics sound
1. A stone is dropped from rest into a well. The sound of the splash is heard exactly 1.50 s later. Find the depth of the well if the air temperature is 10.0°C. 2. Calculate the sound level in decibels of a sound wave that has an intensity of 2.25 µW/m2
asked by Chris Adison on April 17, 2008 
Trig
Find all values of theta in the interval 0
asked by Waldo on March 14, 2011 
probability
The odds against Paul Phillips winning the 100 yard dash are 7:2. Determine the probability that: • a) Paul wins. • b) Paul does not win. How do I set this up to find out the equation/answer?
asked by Madison on February 1, 2011 
physics
A mechanic pushes a 2.60 103kg car from rest to a speed of v, doing 4,600 J of work in the process. During this time, the car moves 24.0 m. Neglecting friction between car and road, find each of the following.
asked by mandy on October 26, 2012 
Physics
The driver of a 1350 kg car, initially traveling at 10.6 m/s, applies the brakes, bringing the car to rest in a distance of 15.0 m. Find the net work done on the car. Not sure how to set this problem up.
asked by Help on October 5, 2011 
algebra
Solve the quadratic equation: 2x(squared)+6x+12=0 I know you have to find two numbers that =24 (2 times 12) and have a sum of 6. But I can't think of any! Can someone please help? Use the quadratic. And this problem has no real answers, they are imaginary.
asked by Sir Galahad on December 9, 2006 
physics
to find angle of deviation with angle of incidence through a hollow prism with different transparent fluids(i.e ., water,kerosene,sprit,turpentine oil) with angle of incidenceof30,35,40,45,50,55,60 degree.
asked by geet on June 17, 2014 
Math
There h horizontal lines and v vertical lines drawn in a plane. There are r ways to choose four lines such that a rectangular region is enclosed. Given that r is divisible by 1001. Find the minimum value of h+v. I am really not sure where to start.
asked by Anonymous on November 1, 2014 
math
Find the zscore for the given raw score, mean, and standard deviation. Assume a normal probability distribution score = 15, ì = 16 , and ó = 2 Could you show me how to do this. My instructor has tried but I just don't understand how to do it and I have
asked by sam on August 23, 2009 
math
a grocer bought 25 dozens of eggs for Rs 525. out of these, 18 eggs were found to be rotten. he sold the remaining eggs at the rate of Rs 26 per dozen. find his gain or loss percent.
asked by mayank on February 12, 2017 
Physical Science
At a baseball game a ball of mass m = 0.11 kg moving at a speed v = 22 m/s is caught by a fan. the ball is stopped in 0.014 s , find the average force of the ball on the catcher's hand?
asked by Eryn on January 28, 2016 
health
You can find ways to manage stress by ________. A. Getting active and eating healthy B. Dismissing any signs of stress C. Pushing yourself to work harder D. Keeping what’s causing your stress to yourself
asked by Martin1162 on March 8, 2016 
calculus 2
A tomato is thrown upward from a bridge 23 m above the ground at 40 m/sec. find acceleration, velocity, and height of tomato at time t. How high does the tomato go, and when does it reach its highest point?
asked by Rachel on January 31, 2013 
physics
a uniform ladder 16 m long weighing 80 N leans against a smooth vertical wall, making 30 degree with the wall. Find the thrust of the wall, and the force of the point on the ground.
asked by chris on September 21, 2011 
Chemistry(Please respond, thank you)
The ionization constant of HA is 4.0e4. Using the ice table what is the equilibrium concentration of HA in terms of its initial concentration and x? HA(aq) + H2O(l) = H3O^+^(aq) + A^^(aq) I 0.040M OM OM C X +x +x E ? x x I thought that to find the
asked by Hannah on April 7, 2012 
Trigonometry
An observer on a cliff 1000 dm above sea level sights two ships due east. the angles of depression of the ships are 44o and 32o. Find the distance between the ships.
asked by Need help really fast! on February 22, 2013 
PLEASE HELP!!
A crate of potatoes of mass 23.0 kg is on a ramp with angle of incline 30° to the horizontal. The coefficients of friction are μs = 0.65 and μk = 0.44. Find the frictional force (magnitude and direction) on the crate if the crate is at rest.
asked by Shereen on September 25, 2011 
La
these lines of dialogue from the dairy of anne frank, act 1 reveal a lot about anne's character. In the paragraph , explain at least two things that you find out about anne's personality from her words.
asked by help on May 4, 2016 
math
a survey was taken at the park. Children were asked how many times they had visited the park this year. find the range, mode, median of the data to the right. trips to the park. number of visits 3 4 5 6
asked by jacob on March 19, 2012 
Maths
I have a maths exam tomorrow and am studying with a friend. We are working on a question and are getting two different answers. Could you please show us the right way to do it? 2(4x + 3)(4x  3)  (4x + 3)squared p.s i couldn't find a squared symbol so
asked by Nat on March 15, 2008 
PHYSICS PLEASE HELP
Find the electric field on the axis of a uniformly charged solid cylinder, at a distance z from the center of the cylinder. The length of the cylinder is H, its radius is “a”, and the charge density is ρ. (Assume that z > H/2).
asked by Julie on September 28, 2016 
Calculus
Find the equation of the curve that passes through the point (x, y) = (0, 0) and has an arc length on the interval 0⩽x⩽π/4 given by the integral from 0 to π/4 of√(1+cos^2x) dx. a) y= sin(x) > My answer. Can you check for me, pleaseeee? b) y=
asked by Alice on May 8, 2019 
Maths
Q) ABC is an isoceles triangle in which a=150cm, b=c= 249cm. Find the size of each angle of the triangle, correct to the nearest minute. I have drawn a triangle but don't know where to proceed from here? ty in adv.
asked by Holly on August 19, 2016 
Grade 11 Physics: Forces
A girl pushes a wooden box across a floor and exerts 140 N to keep the box moving at constant velocity. If the kinetic coefficient of friction is 0.55, find the mass of the box.
asked by Katie on January 30, 2017 
Math
I don't understand this quadratic equation: The ratio of the measures of the length and width of a rectangle is 5:7. the area of the rectangle is 1,715 square feet. Find the dimensions of the rectangle.
asked by Elizabeth on January 31, 2012 
statistics
For a normal distribution with a mean of 140 and a standard deviation of 55 find each value requested. a. What is the minimum score needed to be in the bottom 10% of the distribution? b. What scores form the boundaries for the middle 75% of the
asked by tammy on April 29, 2012 
Math1
Find a bank account balance if the account starts with $100 , has an annual rate of 4% , and the money left in the account for 12Yrs. This is a Exponential growth word problem.
asked by Rocky on March 22, 2017 
Statistics/Probability
The standard deviation of the masses of articles in a large population is 4.55 kg. Random samples of size 100 are drawn from the population. Find the probability that a sample mean will differ from the population mean by less than 0.8 kg.
asked by Koylar on July 17, 2014 
Maths
P, q, r are arranged sticks. P is 10km north of q. The bearing of r from p is 223, and the bearing of q from r is 097. Find the distance of r from p. Show full working both the bearing resulting diagram and the formular
asked by Nwafor on May 30, 2016 
math
Suppose the cost of producing x items is given by C(x)=1000x^3, and the revenue made on the sale of xitems is R(x)=100x10x^2. Find the number of items which serves as a breakeven point.
asked by Mike on June 6, 2011 
physics
The velocity of light in a transparent liquid is 1.8X10cm/second, while in vacuum it is 3X10^3cm/second. Find how much the bottom of the vessel containing this liquid appears to be raised if the depth of the liquid is 25cm.
asked by paresh on February 11, 2016 
statistics
The heights of 10000 individuals are approximately normally distributed with a mean of 70 inches and a standard deviation of 3 inches. Find the probability that a person picked at random from this group will be between 65 and 74 inches tall.
asked by sohail on October 27, 2010 
Math1
Find a bank account balance if the account starts with $100 , has an annual rate of 4% , and the money left in the account for 12Yrs. This is a Exponential growth word problem.
asked by Jordan on March 22, 2017 
Chemistry
a hydrocarbon is burnt completely in excess oxygen. it is found that 1.00g of the hydrocarbon gives 2.93g carbon dioxide and 1.80g water. find the empirical formula of the hydrocarbon (H=1,C=12,O=16)
asked by Henry on May 10, 2018 
physics
When a wire of length 5m and radius 0.5mm is stretched by a load of 49N,the elongation produced in wire is 0.1cm. Find the energh stored per unit volume of the wire.
asked by Pritam on June 2, 2013 
Math
A box has a bottom with one edge 7 times as long as the other. If the box has no top and the volume is fixed at V, what dimensions minimize the surface area? Please help me find the COMPLETE dimenssion of the box.
asked by Matt on March 11, 2010 
statistics
The heights of 10000 individuals are approximately normally distributed with a mean of 70 inches and a standard deviation of 3 inches. Find the probability that a person picked at random from this group will be between 65 and 74 inches tall.
asked by sohail on October 27, 2010 
PHYSICS
When a wire of lenght 5m & radius 0.5mm is stretched by a load of 49N,the elongation produced in the wire is 0.1cm. Find the energy stored per unit volume of the wire.
asked by Megha on June 3, 2013 
Physics 1
The region of the solar system between Mars and Jupiter contains many asteroids that orbit the Sun. Consider an asteroid in a circular orbit of radius 5.8 1011 m. Find the period of the orbit. _____s
asked by John on October 4, 2012 
College Physics 2
A) Canadian FM radio station (CLAW) broadcasts lobster information at 95.9 MHz. find the wavelength of this station. (B) What would be the frequency of a station for which the carrier wave was 400 m long?
asked by seanmarch58 on July 28, 2014 
Physics
A block slides down a frictionless 3m long inclined plane making 10 degrees with the horizontal. The block starts from rest. Find acceleration of the block and its speed at the bottom.
asked by Gio on December 13, 2016 
Physics 2
A) Canadian FM radio station (CLAW) broadcasts lobster information at 95.9 MHz. find the wavelength of this station. (B) What would be the frequency of a station for which the carrier wave was 400 m long?
asked by seanmarch58 on July 27, 2014 
health
You can find ways to manage stress by ________. A. Keeping what’s causing your stress to yourself B. Dismissing any signs of stress C. Pushing yourself to work harder D. Getting active and eating healthy i think its B
asked by noah on February 7, 2013 
physics repost
1. A stone is dropped from rest into a well. The sound of the splash is heard exactly 1.50 s later. Find the depth of the well if the air temperature is 10.0°C. 2. Calculate the sound level in decibels of a sound wave that has an intensity of 2.25 µW/m2
asked by chris adison on April 19, 2008 
trig
Find all solutions of the equation. Leave answers in trigonometric form. x^51024=0 I got 4(cos tehta + i sin tehta), tehta = 0, 2pi/5, 4pi/5, 6pi/5, 8pi/5 is this right
asked by haley on July 2, 2013 
maths
a 40m deep well with radius 3.5m is dug and the earth taken out is evenly spred to form aplat form of dimenshins 28m by 22m find the heght of theplat form?
asked by muhammed on April 14, 2019 
Science
A mechanic pushes a 2.20 103kg car from rest to a speed of v, doing 4,550 J of work in the process. During this time, the car moves 24.0 m. Neglecting friction between car and road, find each of the following.
asked by Mags on October 25, 2012 
Calculus
f(x) = summation from n equals 0 to infinity of (n+1)/(4^(n+1)) and x^n with an interval of convergence, –4 < x < 4. Find exactly the value of the integral from 0 to 2 of f(x)dx. Your answer will be a positive integer. Type your answer in the space below
asked by Alice on April 17, 2019 
math
Find, correct to the nearest degree, the three angles of the triangle with the given vertices.? A(2, 0),B(4, 5), C(3,2) ANGLE CAB ANGLE ABC ANGLE BCA In degrees. I got the vectors AB BC AC and I know the equation b.c= b c cos t
asked by christina on September 13, 2013 
physics
A 10kg box is attached to a 7kg box which rests on a 30 degrees incline the coeficient of kinetic friction is mk=0.1 between the box and surface find the rate of acceleration of the system
asked by hellen on February 21, 2017 
trigonometric oblique triangle
you are standing 40m from the base of a tree leaning 8 degree from the vertical away from you. the angle o elevation from your feet to the top of the tree is 20 seconds and 50 minutes find the height of the tree.
asked by kathryn salcedo on August 24, 2015 
trig
The cross section of a television antenna dish is a parabola. A dish has a receiver that is located at the focus, 4 ft. above the vertex. Find the equation. (which I did)  x^2 = 8y If the dish is 8 feet wide, how deep is it?
asked by lindsey on December 20, 2011 
math
Suppose that 7 knights and 4 ladies are to be seated at a round table. Find the number of ways this can be done in each of the following cases: a) There are no restrictions; b) No 2 ladies are adjacent; c) The 4 ladies form a single block
asked by Tintin on January 14, 2014 
Physics
A 100W incandescent lamp of filament area 45 mm^2, emits all its energy by radiation into the surrounding space of room at 22C. If the filament emissivity is 0.32, find the temperature of the filament?
asked by Tsunayoshi on February 2, 2014 
Probability
Given the probability of rain on any given day in March is 1/5, find the probablity that: It rains on March 10 and 12, but not on March 11th. This is supposed to be used with multiplication Rule 1: P(A and B)= P(A)*P(B) cant figure it out, the answer is
asked by anoneemose on January 24, 2013 
Chemistry
A 76.00pound flask of mercury costs $132.00. The density of mercury is 13.534 g/cm3. a) Find the price of one cubic inch of mercury by calculating the following intermediate values.
asked by Aaron on January 28, 2015 
physics
1. A stone is dropped from rest into a well. The sound of the splash is heard exactly 1.50 s later. Find the depth of the well if the air temperature is 10.0°C. 2. Calculate the sound level in decibels of a sound wave that has an intensity of 2.25 µW/m2
asked by Chris Adison on April 18, 2008 
Please Help Chemistry
Find the amount concentration of the anion in each of the following solutions: A) 0.50 mol/L barium chloride, BaCl2 B) 6.0 mol/L potassium hydroxide, KOH C) 0.10 mol/L aluminium chlorate, Al(ClO3)3
asked by freddie on January 8, 2015 
calculus
Find the minimum cost of producing a can that contains 1000mm^3 if the cost of the metals is 2 cents per mm^2 and the cost to weld the seams is 1 cent per mm. Assume three welds;one around the top, one around the bottom, and one down the side.
asked by Mary on November 30, 2008 
Calculus
If you can helpme on this problem you are GOD. If f(x) = ax^2 + bx + c, what can you say about the values of a, b, and c if: (A) (1,1) is on the graph of f(x)? (B) (1,1) is the vertex of the graph of f(x)?[Hint: The axis of symmetry is x = b/(2a).] (c)The
asked by George on September 2, 2008 
Math
Use the normal distribution of weights of adult men, which has a mean of 170 pounds and a standard deviation of 7.5 pounds. Use the zscore chart to find the percentage of heights less than 155 pounds.
asked by Edwin on November 17, 2016 
Physics 1
The region of the solar system between Mars and Jupiter contains many asteroids that orbit the Sun. Consider an asteroid in a circular orbit of radius 5.8 1011 m. Find the period of the orbit. _____s
asked by John on October 3, 2012 
Health
You can find ways to manage stress by ________. A. Keeping what’s causing your stress to yourself B. Dismissing any signs of stress C. Getting active and eating healthy D. Pushing yourself to work harder C
asked by Night on October 30, 2014 
8th grade math  Variations
Can you check the following, please? 1. Two minutes after a skydiver opens his parachute, he has descended 1900 feet. After 5 minutes, he descended 4750 feet. If distance varies directly with the time, at what rate is skydiver descending? Ans: to find unit
asked by Alexis on February 15, 2016
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