Questions Asked on
April 21, 2012

physics
Extremesports enthusiasts have been known to jump off the top of El Capitan, a sheer granite cliff of height 910m in Yosemite National Park. Assume a jumper runs horizontally off the top of El Capitan with speed 5.0m/s and enjoys a freefall until she is
asked by JOEY 
intro to physics
an athlete executing a long jump leaves the ground at a 28 degree angle and lands 7.6 m away. part a )what was the takeoff speed ? part b) if this speed were increased by just 8.0% , how much longer would the jump be ? for part a) i got roughly 9.48 but i
asked by emilia 
Ap Phyics
Figure shows an overhead view of a 0.024 kg lemon half and two of the three horizontal forces that act on it as it is on a frictionless table. Force F1 has a magnitude of 6 N and is at ¥è1 = 25¢ª. Force F2 has a magnitude of 10 N and is at ¥è2 =
asked by Alexander 
geometry
Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 11feet by 11feet by 3inches for a patio if concrete costs $63.00 per cubic yard? $211.75 $70.58 (my choice) $317.63 $1,905.75 The volume of a cylinder is 980pi in^3. The
asked by lilman 
intro to physics
I was wondering if you guys can help me with this question An airplance is traveling 835 km/h in a direction 41.5 degrees west of north. part a) find the component of the velocity in the northerly direction part b) find the same but in the westerly
asked by emilia 
Physics
The freefall acceleration at the surface of planet 1 is 18 m/s^2. The radius and the mass of planet 2 are twice those of planet 1. What is the freefall acceleration on planet 2?
asked by Alex 
Physics
The ceiling of a classroom is 3.75 m above the floor. A student tosses an apple vertically upward, releasing it 0.5 m above the floor. What is the maximum initial speed that can be given to the apple if it is not to touch the ceiling?
asked by Sam 
Chemistry
Enough of a monoprotic acid is dissolved in water to produce a 0.0169 M solution. The pH of the resulting solution is 2.68. Calculate the Ka for the acid.
asked by Lee 
precalc helpppp
Find sin x/2, cos x/2, and tan x/2 from the given information. (show work please) thank you!!! cos x = − 4/5, 180° < x < 270°
asked by John 
Physics please help!
An object is moving along a straight line and the uncertainty in its position is 1.1 m. (a) Find the minimum uncertainty in the momentum of the object. (b) Find the minimum uncertainty in the object's velocity, assuming that the object is a golf ball (mass
asked by linds 
Antiln?!?!
use a calculator to find the antiln(0.049) to the nearest ten thousandth. My calculator doesn't do antiln. just ln. Someone helo me please?
asked by Tabby 
Chemistry
An experimental spacecraft consumes a special fuel at a rate of 2.10 × 102 L/min. The density of the fuel is 0.690 g/mL and the standard enthalpy of combustion of the fuel is –39.8 kJ/g. Calculate the maximum power (in units of kilowatts) that can be
asked by Jematormal91 
Statistics
An investigator wants to estimate caffeine consumption in high school students. How many students would be required to ensure that a 95% confidence interval estimate for the mean caffeine intake is within 15mg of the true mean? Assume the standard
asked by Shavela 
math
Write three arithmetic and three geometric means between 4 and 324
asked by Mason 
math
The length of an opentop box is 4 cm longer than its width. The box was made from a 480cm^2 rectangular sheet of material with 6cm by 6cm squares cut from each corner. The height of the box is 6cm. Find the dimensions of the box. Please show me in detail
asked by Jane 
Intermediate Algebra
The function h(t)=16t^2+100t+300 gives the height in feet of a projectile fired from the top of a building in t seconds. A) When will the object reach a height of 350 feet? Round answer to one decimal place. B) Explain why part A has two answers.
asked by Ralph 
Chemistry
Calculate the concentrations of all species in a 0.810 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4 x 10^2 and Ka2 = 6.3 x 10^8 I calculated SO32 = 0.8096 M, HSO3 = 3.58E4, H2SO3 = 7.1E13, OH =
asked by Katherine 
Math Analysis graphical method
a bakery makes both cakes and cookies. each batch of cakes reqire 2 hours in the oven and 3 hours in the decorating room. each batch of cookies need 3/2 hours in the oven and 2/3 of an hour decorating room. the oven is available no more than 15 hours a a
asked by Gracy 
Math
Jan and Nika ride their bikes. Jan rides 5 miles per hour for 1 hour then rides at ten miles per hour for 30 minutes.Nika rides at a constant 8 miles per hour. the tripss cover the ssme distance. Forr hoew many minutes does Nika ride ?
asked by Jessica 
Math
In an election, ethan got 5 fewer votes than christohper,who got 3 more votes than olivia, who got 4 fewer votes than Ava. How many more votes did ava get than ethan ?
asked by jake 
chemistry
Nitrosyl chloride (NOCl) decomposes at high temperature. The equation is 2 NOCl (g) > 2 NO (g) + Cl2 (g) at 227C Using delta H = 81.2 kJ and delta S = 128 J/K, calculate the value of the equilibrium constant for this reaction. a 1.60 X 102 b. 2.1 X 107
asked by CHRIS 
chemistry
The standard molar entropy value of N2 (g) is 191.5 J/Kmol, of O2 (g) is 205.0 J/Kmol and of NO2 (g) is 240.0 J/Kmol. From these values we can calculate the Delta S for the reaction N2 (g) + 2 O2 (g) produces 2 NO2 (g) to be a. – 156.5 J/K b. 636.5
asked by CHRIS 
math
A pair of dice is rolled, and a number that appears uppermost on each die is observed, Refer to this experiment and find the probability of the given event. (Enter your answer as a fraction)The sume of the numbers ia an add number.
asked by Maria 
Math
A guy wire is attached to the top of a pole. The other end of the guy wire is staked in the ground 29 feet from the base of the pole. How tall is the pole, if the guy wire is 73 feet long? Round to the nearest tenth.
asked by Heather 
math
You are planting a rectangular garden. It is 5 ft longer than 3 times its width. The area of the garden is 250 ft^2. Find the dimensions of the garden. I set it up like this: 3x +5 = 250 where x=8l.7. Is this correct so far, if so what do I do next? Thanks
asked by Jane 
Physics
What is the fundamental frequency for a 58 cm banjo string if the speed of waves on the string is 450 m/s?
asked by Lisa 
life orientation
critically discuss 5 ways in which the human or environmental problem impacts on the community
asked by tshepo 
Enviro Science
4. Which of the following is NOT a threat that impacts biodiversity? a. use of land for agriculture and housing b. dam construction c. overuse of water d. helping endangered species D 10. If exponential growth occurs in the population of a species of
asked by mysterychicken 
calculus
The rate at which a rumor spreads through an Alpine village of 400 residents is jointly proportional to the number of residents who have heard it and the number who have not. Initially, 5 residents heard the rumor, but 4 days later this number increased to
asked by Anonymous 
physics
A 2 kg metal plate slides down a 11meter high slope. At the bottom its speed is 7.5 m/s. To the nearest Joule, what was the magnitude of the work done by friction?If the slope in the above problem is 22 degrees, what is the coefficient of friction?
asked by Anonymous 
trigonometry
given triangle ABC with AB=7cm, BC=8cm and AC=9cm calculate 1. the size of the largest angle 2. the area of the triangle
asked by lindsay 
trigonometry
a ship travels 8km due north then 7km on a bearing of 070 degrees 1. draw a diagram to represent the information 2. calculate the distance and bearing of the ship from its starting point
asked by lindsay 
probability
of the 2598960 different 5 card hands possible from a deck of 52 playing cards, how many would contain all 4 tens?
asked by mary 
PHYSICS
A mass oscillates up and down on a vertical spring with an amplitude of 6 cm and a period of 2 s. What total distance does the mass travel in 16 seconds?
asked by ALAINE' 
Plz help!!! algebra
use the binomial theorem to expand the binomial (x+5)^5 I have tried it like 4 times but i cannot get it right
asked by ashley 
Chemistry
An aqueous solution contains 0.216 M ascorbic acid (H2C6H6O6) and 0.131 M hydrochloric acid. Calculate the ascorbate (C6H6O62) ion concentration in this solution. [C6H6O62] =______________ mol/L.
asked by Ana 
math
In 2006, the population of the country was 32.3 million. This represented an increase in population of 6.5% since 2001. What was the population of the country in 2011? Round to the nearest hundredth of a million.
asked by Anonymous 
precalc
tanx= 12/5 x in Q 2. find sin2x= cos2x= tan2x=
asked by Sam 
PHYSICS
What is the longest wavelength that can be heard by a normal ear?
asked by Hunter 
CALCULUS
A smoke detector contains 0.2 mg of Americium 241 (Am241), a radioactive element that decays in t years according to the relation m = 0.2(0.5)^(t/432.2). Where m is the mass, in milligrams, remaining after t years. A) The smoke detector will no longer
asked by Anonymous 
chemistry
N2(g) + 3 F2(g) → 2 NF3(g) ΔH° = –264 kJ/mol ΔS° = –278 J/(mol∙K) a. Using the information provided above (only), calculate the maximum amount of nonPΔV work that can be accomplished through this reaction at a temperature of 500°C. b.
asked by chamy 
english/poem
I am suppose to do a funny sonnet poem that has 10 syllables per line and 14 lines .Can you check my syllable or any mistakes. Oh homework! Oh homework! How I hate you! You smell, you stink, and you I don’t admire I want to tell you “go on” “git”
asked by joseph 
PHYSICS
You observe that 32 crests of a water wave pass you each minute. If the wavelength is 10 m, what is the speed of the wave?
asked by ALAINE' 
Physics
A tuning fork has been damaged and its frequency slightly changed. What could its altered frequency be if it produces two beats per second with a tuning fork that is known to vibrate at 422 Hz? Lowest frequency? Highest frequency?
asked by Helen 
math
Write this repeating decimal as a ratio of relatively prime integers: 0.324324324...
asked by Kasey 
MATHEMATICS
a bat can fly at a speed of 48km/h . How many minutes will it take to fly a distance of 8km
asked by shah 
maths
Continue these decimal patterns 0,0.5,0.6,0.75,0.8,0.83,,,
asked by RS 
physics
You have a tuning fork of unknown frequency. When you ring it alongside a tuning fork with known frequency of 360 Hz, you hear beats at a frequency of 10 Hz. When you ring it alongside a tuning fork with known frequency of 347 Hz, you hear beats at a
asked by Helen 
trigonometry
Find all the angles between 0 degrees and 360 degrees which satisfy the equations a. 8 cos x sin x = sin x b. 5 tan^2 y + 5 tan y = 2 sec^2 y.
asked by lindsay 
calculus
The Institute finds that the average student taking Elementary Shorthand will progress at a rate given by dQ/dt=k(80Q) in a 20 wk course, where Q(t) measures the number of words of dictation a student can take per minute after t wk in the course. If the
asked by help please. 
precalc
cosx= 8/17, 180
asked by Kimberly 
physics
A physics student drops a physics text book into a mine shaft 250m deep,where the average mine temperature is 5degrees celsius.Show that the sound of the book striking the bottom is heard after 7.82seconds
asked by musuma 
math
The value of a $20,000 car decreases every, t. The equation below model this situation. 20,000(10.04t) = 13,000 How many years will the car be worth $13,000? Round to the nearest tenth if necessary. I got 20,000(.96t)= 13,000, but I don't believe gives me
asked by Jane 
precalc help
cos^2(x/2)sin^2(x/2) 2sin(x/2)cos(x/2)
asked by James 
Equations of a Circle
Write the standard for of the equation of the circle that passes through the points at (0,8),(8,0),and (16,8). Then identify the center and radius of the circle. I have r=8, center=(8,8). What now?
asked by Some1 Help Me Plz 
chemistry
Nitrosyl chloride (NOCl) decomposes at high temperature. The equation is 2 NOCl (g) > 2 NO (g) + Cl2 (g) at 227C Using delta H = 81.2 kJ and delta S = 128 J/K, calculate the value of the equilibrium constant for this reaction. a 1.60 X 102 b. 2.1 X 107
asked by CHRIS 
geometry
The table shows the exterior angle measures for regular polygons. Which expression represents the exterior angle measure for any regular ngon?
asked by Anonymous 
foreign languages
Writeacher, I changed my name to Mike1 because someone answered my post with "I don't know". I hope it is OK with you. Here are the sentences I left out before. 1) I was proud of myself for helping my granny last holiday (on my last holiday, during my last
asked by Mike1 
math
Question2; Consider the function f(x)= cos3x 4sin3x. (a)Find the equation of the line normal to the graph of f(x) when x= pie/6 . (b)Find the x coordinates of the points on the graph of f(x) where the tangent to the graph is horizontal. (c)Find the
asked by weloo_volley 
chemistry
q1)Which entries below should have the highest standard molar entropy? a. SiCl4 (s) b. CCl4(l) c. CCl4 (g) d. SiCl4 (l) q2) For the above, which should have the next highest standard molar entropy?
asked by CHRIS 
chemistry
Calculate the value of ()Go for the following reaction , given the standard free energies of formation listed below each ion. Ag(SO3)_2^3 > Ag+ + 2SO32 delta Gf, kJ/mol = 943 +77 497 a.  1860 kJ b. – 128 kJ c. + 26 kJ d.  369 kJ e. + 523 kJ help
asked by CHRIS 
physics
How to find out specific heats of substances?
asked by misha 
trigonometry
express 3 cos x 2 sin x in th eform R cos (x + a) and hence write down the maximum and minimum values of 3 cos x  2 sin x.
asked by lindsay 
physics
A mass of 2 kg is hung from the lower end of a vertical spring and extends it by 40 cm. The mass is now pulled down a further 20 cm and is then released from rest so that it oscillates about the equilibrium position. Determine : a) the spring stiffness
asked by minha 
Accounting
1. Partially Correct Check My Work ProblemSolving Strategy Problem 161 (Algorithmic) Statement of Cash Flows—Indirect Method The comparative balance sheet of Mavenir Technologies Inc. for December 31, 2013 and 2012, is shown as follows: Dec. 31, 2013
asked by shell 
Physical Science
Can't figure this out, HELP!: What is the velocity (v) of a stream with a discharge (Q) of 8.53 x 10^3 m 3/s and a crosssectional area (A) of 5.27 x 10^3 m2?
asked by mel 
Physical Science
Please help me with this. I just don't get it. The average rate of chemical weathering of carbonate rock in an urban area is 2.1 x 10^3 mm/yr. The depth of lettering of the tombstones shown in the table below was measured in 2010: Date on Tombstone Age
asked by mel 
Statistics
A newspaper article stated that college students at a local university spent an average of $95 on beer a year. A student investigator who believed the average stated was too high polled a random sample of 50 students and found a mean of $92.25 and s = 10
asked by vera 
statistics
Please adviseThank you. The Center for Urban Transportation research released a report stating that the average commuting distance in the United States is 10.9 miles Suppose that this average is actually the mean of a sample of 300 commuters and that the
asked by vera 
trigonometry
state the amplitude, period and phase shift of the function y = tan (2 theta 180 degrees)
asked by lindsay 
math
Class A has the same number of students as Class B. The ratio of the number of girls in Class A to the number of girls in Class B is 3 : 2. The ratio of the number of boys in Class A to the number of boys in Class B is 3 : 5. What is the ratio of the
asked by Al 
Algebra
√3, 3√3 Write a quadratic equation in the variable X having the given numbers as solutions. Type in standard form ax^2 + bx +c =0
asked by Stella 
Stats
A random sample of n=500 households in a certain metropolitan area revealed that 150 have combined cable, phone and internet service. a.Calculate phat, the sample proportion of households having such service. b.Calculate a confidence interval for π, the
asked by sam 
Calculus
Find the derivative Y = ln(ln^2(ln^2 x))
asked by Julie 
english/poem/writeteacher
Regarding my poem the teacher doesn't want to follow the traditional iambic pentameter. In this case do you think my poem has 10 syllables per line and funny?
asked by joseph 
geology,, please help me
can you give me answers for these question for my homework. thank you 1. why dopeople fear earthquakes, hurricanes, and tornedoes more than they afraid than landslide? 2. if you were building a house on a cliff what would you look for to ensure that your
asked by jessie 
chem help
what is the ratio of molezs of NaHCO3 reacted to moles of NaCl produced?
asked by ... 
Trig
Dalco manufacturing estimate that its weakly profit, P, in hundreds of dollars,can be approximated by the formula P= 4x²+8x+7, where x is the number of units produced per week, in thousands. 1)How many units should the company produce per week to earn
asked by Alex 
chemistry
what are metals and non metals that are found in the human body and their function?
asked by ANNA 
biology
need help with a paper from news article on human biology using scientific method?
asked by tracy 
Physical Science
Could use some help. I don't get this: The maintenance department of a botanical garden is monitoring the displacement of statues that have moved by the process of creep. The statues must be straightened when the displacement reaches 15cm to prevent
asked by mel 
english
explain the lesson[oliver walks to london]
asked by gaiyus 
Math
Write a quadratic equation having the given numbers as solutions. 5 and 2 The quadratic equation is: __=0 Thank you.
asked by Jean 
L.O
In 1015 lines critically discuss 5 ways in which the human or environmental problem impacts on the community.I have choose pollution as the environmental factor
asked by georginah 
Life Orientation
How could air pollution in South Africa affect teenagers?
asked by *Philasande 
Accounting
What types of cost information are reported to support managerial purposes and decisions? Describe 2 major categories of purposes that are supported by cost information. Describe how cost information supports both of these categories. What is a cost object
asked by Rachel 
math
You have 6 cups of sugar. It takes 1 cup of sugar to make 24 cookies. The function c(s) = 24s represents the number of cookies, c, that can be made with s cups of sugar. What domain and range is reasonable for the function?
asked by Jane 
Economics/Money
Suppose that banks today were required to keep 100 per cent reserves against their deposits. What would be the result?
asked by Labz 
precalc helpppp
Evaluate the expression under the given conditions (show steps please) sin(è/2); tan è = − 5 / 12 , è in Quadrant IV
asked by John 
bethamhem
which group of native americans often moved, ffollowing the buffalo
asked by estyd 
English Essay:NCLB
can some proofread my paragraph it is for a persuasive essay? Please,Thank You!! Is Education system taking the risk for students learning? Is the capital that we have been giving helping students to improve their performance in schools ? What can be done
asked by Stressed 
biology
What geological process is used to explain how nearly identical animals that cannot swim, are found on continents separated by large oceans? What is the halflife of Uranium 238 and what did we use that radioisotope to date as the oldest item on Earth?
asked by Anonymous 
Math
A farmer’s harvest in bushels varies directly with the number of acres planted. A. Express in sentence form what this means to the farmer. B.Translate the variation statement into the corresponding variation equation. C. If 8 acres can produce 144
asked by Veronica 
Life orientation
Ways in which environment or human problems impacts on community.
asked by Anonymous 
Hyperbolas
Find the equation of the hyperbola whose vertices are at (1,5) and (1,1) with a focus at (1,7). Please and thank you.
asked by Tabby 
Economics(Please respond)
Given the increase in government expenditures and the marginal propensity to consume, how would you find the change in equilibrium GDP? I did the expenditures X the marginal propensity but this is wrong.
asked by Hannah 
Chemistry
What is the difference between heat capacity and heat energy?
asked by Rebecca 
Inequalities
graph the system of inequalities: ( x3)^2/9 + (y+2)^2/4=4 I do not know how to simplify this down enough to graph it
asked by Some1 Help Me Plz 
Chemistry
What is the ÄH of CF4 (carbon tetraflouride)? What is the ÄH of HF (hydrogen flouride)? Lastly, what is the ÄH of C2H4 (ethane gas)? Please help.
asked by Mary 
Math
6cos^2 theta + 5cos theta=1 Solve for theta
asked by Rivan 
Statistics
The AP reported that in a sample of 507 people only 142 correctly described the Bill of Rights as the first ten amendments to the U.S. Constitution. Calculate a 95% confidence interval for the proportion of the entire population that could give a correct
asked by lola 
calculus
The population of a certain community is increasing at a rate directly proportional to the population at any time t. In the last yr, the population has doubled. How long will it take for the population to triple? Round the answer to the nearest hundredth,
asked by help please. 
Life orientation
Discuss 8 way in which the environmental problem impact on the within your community
asked by Thabang 
math
Let f(x) be a polynomial of degree 3 which has a critical point at(1,8/3) and an inflexion point at(2,46/3) (a)Determine f(x) . (b) Find another critical point of f(x) (if any). (c) Determine the intervals where f(x) is increasing and where it is
asked by weloo_volley 
geometry
In a right _angled triangle one of the acute angles is 20 dgrees greater than the other.find the angles of the triangle
asked by Tobi 
calculus
evaluate the limit by using change of variable lim x> 27
asked by shahroz 
physics
at a local country fair, the merrygoround rotates at a rate of one circuit every 7.5 seconds. what is the angular velocity in radians per second
asked by peter cb 
Life orientation
describe the environmental problem waste dumps that causes ill health,accidents,crises and disasters in South Africa and globally.
asked by charity 
Kasey
Write this repeating decimal as a ratio of relatively prime integers: 0.324324324...
asked by Jim 
social studies
i am studying about palestinia and israel i have to write 8 bullets notes on what are the problems of the palestians and israel in the middle east. I don't understand the problems going on over there is there a website for my age 12 to understand this
asked by marko 
chemistry
an oxygen tank contains 12.0 L at 25 degree C and 3 atms. After a 4 L canister of oxygen at 25 degree C and 3 atms is emptied into the storage tank, what will happen to the temperature and pressure of the tank to be?
asked by ayesha 
math
Given P(x) = x^3  3x^2  5x + 10 a evaluate P9x) for each integer value of x from 3 through 5 b. Prove that 5 is an upper bound on the zeros of P(x)
asked by Jake 
Finance
what is the 1st year interest on a convertible bond (20 yr, 10%)
asked by True 
chemistry
For a particular reaction delta G is more negative than delta H. This means that a. delta S is zero. b. deltaS is negative c. delta S is positive d. delta S is negative if delta H is positive. e. delta S is negative if delta H is negative. i thought it was
asked by CHRIS 
chemistry
delta G for a reaction can be calculated from 1. delta Gf data 2. delta Hf and delta S data 3. equilibrium constants a. only 1 or 2 or 3 b. 1 & 2 only c. 1 & 3 only d. 2 & 3 only e. 1, 2 & 3 help
asked by CHRIS 
chemistry
delta G for a reaction can be calculated from 1. delta Gf data 2. delta Hf and delta S data 3. equilibrium constants a. only 1 or 2 or 3 b. 1 & 2 only c. 1 & 3 only d. 2 & 3 only e. 1, 2 & 3 help
asked by CHRIS 
science
A doctor advises a patient to change home from the midst of a city to the city outskirts where lichens are found more.what could be the reason behind this advice?
asked by plz help me 
sdu
. A man finds that two things cause him to wake up at nightnoise or indigestion. If it is due to noise, the time to fall asleep again has exponential distribution with rate 5 per hour, and if it is due to indigestion the time to fall asleep again has
asked by Anonymous 
precalc helpppp
Simplify the expression by using a DoubleAngle Formula or a HalfAngle Formula. ã((1cos50)/2)
asked by John 
Chemistry
HF + NaOH =NaF + H2O What will be the pH of a solution produced when 40 mL of 0.25 M HF is titrated with 80 mL of 0.125M NaOH? Ka for HF is 3.5*10^4
asked by Kristen 
Plz help!!! algebra
use the binomial theorem to expand the binomial (x5)^6
asked by ashley 
PreCalculus
Evaluate the expression under the given conditions.? show work please! sin(AB); tan A=12/5, A in quadrant 3, sinB=3sqrt(10)/10, B in quadrant 4.
asked by Kimberly 
Cellular Anatomy
The function of smooth muscle is to provide? A. cushioning around the joints B.rapid contractions C.skeletal support D. involuntary movement Can some one check my answer it is (D)
asked by Brenna 
language
does a type sketch always have to be written negatively? Can one write a type sketch from a positive point of view? Instead of pointing out vices or folly, can one point out good attributes? Thanks
asked by l 
Trig.
Solve. Check for extraneous solution. 6x= √20+6x
asked by Rach 
social studies
What are present day states that are part of the Area Ceded by Mexico and the Gadsden Purchase other than California and New Mexico?
asked by SoccerStar 
Life orietantion
A clear explanation of how drug addition is a human factor that may cause ill health
asked by A clear explanation of how drug addition is a human factor that may cause ill heath 
Exponential Functions?!
solve 9^(2x3) > 4. Round your answer to the nearest hundredth. The part in parenthesis is up at top like an exponent. I dont' know how to do this. Please help me.
asked by Tabby 
Math
Jnuary 1, 1990 was a Monday. What day of the week was february 1, 1990 ?
asked by Jessica 
space
i need facts why N.A.S.A should not shut down :) please hel pi cant find anything on google
asked by help please !!!!!!!!!!!!!!!!!!!! 
poetry
Hi I need to do a critical analysis on one thematic aspect of Kenneth Koch's "One train may hide another" and I'm totally clueless. Any ideas?
asked by Zhin 
lang. arts
so, I am doing a collage and was wondering if I could get some of your guys "quotes" that are uplifting. The point is to take pictures, poems, quotes that were made y me, are famous, made by friends or whathaveyou. and that are uplifting and cheerful.
asked by kathy☺☻ 
linear algebra
Find the steady state for the Markov matrix? A=[ .2 .4 .3 .4 .2 .3 .4 .4 .4] Then calculate the limit of A^n = (0,20,0) as n>infinity
asked by fatih 
english
is their any such things as a sklekion bird that talks.
asked by Blair 
trigonometry
state the amplitude, period and phase shift of the function y=tan (2080 degrees)
asked by lindsay 
calculus
Use Euler's method with given values of to obtain an approximation of the initial value problem when x=3 . Round your answers to four decimal places, if necessary. dy/dx= x+y, y(0) =3 n=4, y(3)= n=6, y(3)=
asked by Anonymous 
ilfe orientation
identify and describe the enviromental problem waste dumps or fires that causes ill heath,accidents,crieses, and disasters within your community or any other community within south africa or globally
asked by vinolia 
English
Thank you very much, Writeacher. I need to revise these sentences, too. 1) I was last proud of myself when I helped one of my friends one week ago. She lost her father after a tragic accident (better: in) and I'm currently supporting her emotionally. 2) I
asked by Matthew 
life orientation
8 ways in which the environmental problem impact on within your community or any other community within south africa or globally.
asked by mukeliwe 
calculus
evaluate the limit using change of variable x> 27 27x _________ x^1/3 3 (answer is 1/12)
asked by shahroz 
Intermediate Algebra
Write with rational exponents 3 square root of x^2
asked by Ralph 
math
write the particular equation of a quartic function that could, according to Descartes Rule of Signs have four positive zeros.
asked by Mark 
Social Studies
How can minerals as a resource be utilized to contribute to economic development?
asked by Sasha 
Chem.
I was confused. is kinetic molecular theory the same thing as ideal gas law?
asked by Linda 
chem
why does mercury level drop when you move to higher altitudes in a glass column filled with mercury.
asked by Hyunho 
chemistry
Free energies of formation are a. always positive b. always negative c. never zero d. measured at 298K e. more than one response above is correct help thinkin a though
asked by CHRIS 
chemistry
A reaction will be nonspontaneous under all conditions when a. delta G is negative b. delta H is negative and DS is positive c. delta H is positive and DS is negative d. delta H is positive independent of the value and sign of DS e. delta S is positive
asked by CHRIS 
calculus
find the interval on which the graph of f(x)=ln(x^2+1) is concave upward.
asked by money 
Math
I want to creat a easytouse formula to measure the intensity of a exercise workout. The input factors are: 1. Minutes exercise. 2. Miles run. 3. Calories burned. 4. Level of treadmill. So, if: Minutes = 50 Miles = 4 Calories = 423 Level = 10 Therefore,
asked by Stuart 
Charu
Simplify 8.3^1/2 /( 6^1/2 + 5^1/2)
asked by Hanu 
Math
Simplify 8.3^1/2 /( 6^1/2 + 5^1/2)
asked by Charu 
Algebra
The volume of a rectagular prism is x^3+3x^24x12. The length is x+2 and the width is x+3. What is the height
asked by Jody 
Math Help PLEASE!
Find the equation of the hyperbola whose vertices are at (1,5) and (1,1) with a focus at (1,7). Please and thank you.
asked by TJ 
Physical Science
Trying to figure this out and can't: The elevation of a streambed is surveyed near a bridge to be 2,367m. At another bridge 12.2km downstream the elevation is 2,232m. What is the gradient of this stream?
asked by mel 
math
a rectangular field measures 20 meters by y meters is surrounded by grass patch of width 2 meters . What is the area of the grass patch ? Leave your answer in the simplest form in terms of y .
asked by melissa 
Algebra
During the first part of a trip, a canoeist travels 57 miles at a certain speed. The canoeist travels 13 miles on the second trip at a speed 5 mph slower. The total time for the trip is 5 hrs. what was the speed on each part of the trip? The speed on the
asked by Jean 
Inventions
When was the telephone, atomic bomb, paper, flint tools, and the wheel invented? I've answered the other 4 and I think the telephone was invented in 1876. Please help.
asked by Elena 
Intermediate Algebra
If the discriminant of a quadratic equation has the given value, determine the number and type of solutions of the equation. A.48 B.0
asked by Ralph 
algebra
5 and 2 write quad equation. __=0 Thanks
asked by Stella 
Algebra
5 and2 write a quad equation. √5,6√5 write quad equation Tick, tick..I'm doomed..
asked by Jean 
math
Write the first 8 terms of the meometric sequence with first term 10 and common ratio 2I.
asked by lane 
Mathematics
for the sequence 3,8,15,24,35,48,63 a. write the next two terms b. write an equation for t(n)[the n is under the t] in terms of n
asked by Malia 
math
Find the number to which this geometric series converges: 200  170 + 144.5  ...
asked by Jim 
English
Which is correct (* him or he)? The old man is satisfied for has won the battle between*him and the marlin. (Is it correct to say "has won" for the sentence above?)
asked by Anonymous 
Life orientation
5 ways in which the human or enviromental problem impacts on the community
asked by Ntombifuthi 
Trig.
Subtract. Simplify is possible. (x^23x28)/(x^2x42) (x^2+10x+24)/(x^2+x12)
asked by Rach 
math
Find the value of the expression 128/(4)2+61
asked by Susan 
Life orientation
1015 lines discuss 5 ways in which the human or environmental problem impacts on the community.
asked by Simon 
Math
To which set of numbers does 13.274... belong? and Why? A) whole B) integer C) rational D) Irrational
asked by Hanu 
Math
Simplify (12^1/2 + 5. 3^1/3)^2
asked by Charu 
how to find class widths??
can someone tell me how to calculate class width. suppose the number of classes and class widh being 5 and 12 respectively.form a grouped frequency distribution.. the maximum is 98 while the minimum is 12. Should i calculate it: maximum  minimum that is
asked by PALLAVI 
math
Seek power series solution of the given differential equation about the given point x0; find the recurrence relation. (1x)y'' + y = 0; x0 = 0
asked by Jen 
Intermediate Algebra
Write with radical notation y^4/5
asked by Ralph 
algebra 2
When you spend $1 at the grocery store, the store doesn’t keep all of your money as profit. Some of it is reinvested in the economy when the grocery store buys more merchandise from suppliers. In turn, the suppliers don’t keep all of that money as
asked by sam 
PSSA
when is the science PSSA test. also if you taken the science PSSA test, what would be on it?
asked by Celest 
math
Simpliy (x^a1)^3 / (x^2a)(x)
asked by Hanu