Questions Asked on
April 26, 2015

math
This question says to graph the linear function.y=1\3x4. What would the graph look like? Thank you Reiny but they put me in this class and I can not figure out what to do. When I am for help they are always to busy to help me my mom when talked with the
asked by blue 
English
Speech. ENGLISH IS THE LANGUAGE OF OPPORTUNITY,WHY BOTHER TO TEACH INDIGENEOUS LANGAUGES?
asked by Ida 
p.e
Air pollutants can do all of the following except A. reduce your protection from the sun's radiation B. cause discoloration to your hair C. damage the respiratory system D. enter bloodstream and harm other parts of the body** Check pleaase
asked by Anonymous 
math
Given the position function, s of t equals t cubed divided by 3 minus 12 times t squared divided by 2 plus 36 times t, between t = 0 and t = 15, where s is given in feet and t is measured in seconds, find the interval in seconds where the particle is
asked by ana 
chemistry
What is the pH of a 0.2 M solution of pyridinium chloride (C5H5NHCl)? Kb for pyridine (C5H5N) is 1.5 × 10−9 . 1. 8.824 2. 2.788 3. 4.761 4. 3.068 5. 3.308 6. 2.698 7. 2.938 8. 5.176 9. 9.239
asked by Anonymous 
Physics
A small block is attached to an ideal spring and is moving in SHM on a horizontal, frictionless surface. When the amplitude of the motion is 0.090m , it takes the block 2.68s to travel from x= 0.090m to x= 0.090m . If the amplitude is doubled, to 0.180m ,
asked by Katie 
math
Why does Zara have a good driving record?
asked by scott 
University of North Texas
A manufacturer ships toasters in cartons of 25. In each carton, they estimate a 8% chance that one of the toasters will need to be sent back for minor repairs. In a batch of 12,000 toasters, what are the chances that fewer than 950 need to be returned?
asked by Shannon 
Chemistry
Why does AgCl dissolve in NH3 but AgBr and AgI don't? KSP of AgCl = 1.8 x 1010 KSP of AgBr = 5.0×10–13 KSP of AgI = 1.5 x 1016
asked by Serena 
math
The side length of a rectangular box with a square base is increasing at the rate of 2 ft/sec, while the height is decreasing at the rate of 2 ft/sec. At what rate is the volume of the box changing when the side length is 10 ft and the height is 12 ft?
asked by ana 
Physics
An observer stands 25 m behind a marksman practicing at a rifle range. The marksman fires the rifle horizontally, the speed of the bullets is 840 m/s, and the air temperature is 20 °C. How far does each bullet travel before the observer hears the report
asked by Anonymous 
Calculus
The expression dy/dx = x*(cube root y) gives the slope at any point of the graph of the function f(x) where f(2) = 8. A. Write the equation of the tangent line to f(x) and any point (2,8). B. Write an expression for f(x) in terms of x. C. What is the
asked by ashley 
math
A company is designing a juice box. The box is in the shape of a rectangular prism. The base of the box is 6 1/2 inches by 2 1/2 inches, and th box is 4 inches high. If juice fills 90% of the box's volume, find the volume of juice in the box. Thank you!
asked by kymy 
chemistry
Suppose that a student performing this experiment recorded the concentration of NaOH solution as 0.513 M, instead of the correct value of 0.531 M. Assuming there were no other errors, would each of the following experimental results be high, low, or
asked by kales 
math
Street  Horizontal  Vertical rise Distance ft. of street ft. ___________________________________ Dixie hill 80.  40 Bell hill  80.  20 Liberty hill 80.  60 Which hill is the steepest? Explain. A. Bell hill; it rises one foot for for every 4 feet
asked by sad with math 
PHYSICS
How do I solve this? Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic collision. Momentum is conserved. Object A has a mass of mA = 16.6 kg and an initial velocity of nu Overscript
asked by KS 
PHYSICS
How do I solve this? A mine car (mass=380 kg) rolls at a speed of 0.50 m/s on a horizontal track, as the drawing shows. A 170kg chunk of coal has a speed of 0.92 m/s when it leaves the chute (at a 25 degree incline). Determine the speed of the car–coal
asked by KS 
chemistry
Which of the following 0.10 M aqueous solutions gives the LOWEST pH? 1. CH3COOH (pKa = 4.75) 2. CCl3COOH (pKa = 0.52) 3. HF (pKa = 3.45) 4. H3PO4 (pKa1 = 2.12) 5. Because all are acids, the pH is the same for all solutions
asked by Anonymous 
math
What is the slopeintercept equation for the cost of a sub at Fred's Sub Shop? A. y= 2x B. y= 10x C. y= 5x D. 5x+2 Is the answer C??
asked by blue day 
math
A college is planning to construct a retangular parking lot on land bordered on one side by a highway. The plan is to use 680 feet of fencing to fence off the other three sides. What dimensions should the lot have if the enclosed area is to be a maximum?
asked by ddot 
Math
Solve each equation to the nearest tenth and use the given restrictions. sin θ = 0.204 for 90 degrees < θ < 270 degrees. I don't get this. Is this supposed to be restricted to quadrants 2 and 3? Then it doesn't seem possible to get a value that will be
asked by Anonymous 
Calculus
People are entering a zoo at the rate of 100e^t+75t people per hour where t is the amount of time the zoo has been open on that day measured in hours. If the doors are open at 9:00 AM, how many hundreds of people have entered the zoo at 11:40 AM? (Nearest
asked by Sarah 
physics
Four resistors are connected to a battery with a terminal voltage of 18.0 V. The resistors are, R1=61, R2=34, R3=90, and R4=11. R1 & R2 are in series, and combined are in parallel with R3, & the combination of R1, R2, & R3 are in series with R4. Find the
asked by allan 
physics
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of 6q. Sphere B carries a charge of 5q. Sphere C carries no net charge. Spheres A and B are touched together and then separated. Sphere C is then touched to sphere A and
asked by Anonymous 
Physics
A large pendulum with a 200lb goldplated bob 12 inches in diameter is on display in the lobby of the United Nations building. Assume that the pendulum has a length of 78.4 ft. It is used to show the rotation of the Earth  for this reason it is referred
asked by Madison 
Math
Each human hand has 27 bones. There are 6 more bones in the fingers than in the wrist. There are 3 fewer bones in the palm than in the wrist. How many bones are in each part of the wrist?
asked by Sierra 
Chemistry 2
Does the reaction P4(s, white) + 5 O2(g) P4O10(s) occur spontaneously at 298 K and standard state conditions? Calculate the value of capital delta S°univ. Honestly do not know where to start.
asked by Anonymous 
Business Math Please Help me
A monopoly has a total cost function C = 1000 + 108x + 12x^2 for its product, which has demand function p = 324 − 3x − 2x^2. Find the consumer's surplus at the point where the monopoly has maximum profit. (Round your answer to the nearest cent.) Thank
asked by Scarlett 
AP Physics
Two adjacent natural frequencies of an organ pipe are found to be 900 Hz and 990 Hz. (a) Calculate the fundamental frequency and length of this pipe. other info that I already calculated: the pipe is open at both ends  length of pipe is 1.89m
asked by Ayesha 
math
Graph the linear function y=2x+3 How do I work this out?
asked by sad with math 
health
PowerPoint Presentation: Narrative Presentation to the Board of Trustees The Centers for Medicare & Medicaid Services (CMS) has taken on a more visible role in health care. A great deal of change has transpired to improve patient safety and implementation
asked by Jahsain 
Health.
True or False.. Biodegradable waste threatens the health of humans True Am I right?
asked by Kel 
Kinetic energy
steel ball of mass 0.310 kg is fastened to a cord that is 86.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal, as shown in the figure. At the bottom of its path, the ball strikes a 3.10 kg steel block initially at
asked by Anonymous 
chemistry
Arrange the acids I) hydrogen selenate ion (HSeO− 4 ), pKa = 1.92; II) phosphoric acid (H3PO4), pKa = 2.12; III) selenous acid (H2SeO3), pKa = 2.46; IV) phosphorous acid (H3PO3), pKa1 = 2.00; in increasing order of strengths. 1. I, III, II, IV 2. None of
asked by Anonymous 
Calc 1
Evaluate the limit. lim x → 1 ln x/sin 5πx
asked by TayB 
physics
The force of repulsion that two like charges exert on each other is 3.2 N. What will the force be if the distance between the charges is increased to 4 times its original value?
asked by Anonymous 
PHYSICS
How do I solve this? A 700kg race car can drive around an unbanked turn at a maximum speed of 41 m/s without slipping. The turn has a radius of 190 m. Air flowing over the car's wing exerts a downwardpointing force (called the downforce) of 12000 N on
asked by KS 
physics
A charge of 3.00 µC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.115 m). The charges on the circle are 4.70 µC at the position due north and +5.00 µC at the position due east. What is
asked by Anonymous 
gravimertic prob
an organic pesticide (mw 183.7) is 8.43% cl. a 0.627g sample containing the pesticide plus inert material containing no chloride was decomposed with metallic sodium in alcohol. the liberated chloride ion was precipitated as agcl weighing 0.0831g. calculate
asked by vivian 
chemistry
A 32.5 g sample of K2SO4 is dissolved in a quantity of water and stirred well. A 40.00 mL sample of the solution is evaporated to dryness and leaves behind 5.00 g of solid K2SO4.what is the molarity. Calculate molar masses of solutes to .01 grams
asked by mark 
stat
Find an estimate of the sample size needed to obtain the specified margin of error for the 95% confidence interval. A researcher wishes to estimate the mean amount of money spent per month on food by households in a certain neighborhood. She desires a
asked by jim 
chemistry
what products would form after hydrogenation of 2methyl1butene? after halogenation (cl2)?
asked by jk 
PHYSICS
By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor. As the plate falls, its momentum has only a vertical component, and no component parallel to the floor. After the collision, the component of
asked by Anonymous 
math
please help me with this one too! : if it costs about $0.10 per week to feed a snake, how much does it cost to feed 35 snakes for 4 wks?
asked by Anonymous 
chemistry
what products would form after hydrogenation of 2methyl1butene? after halogenation (cl2)?
asked by jk 
calculus
Given the relationship 2x^2 + y^3 =10, with y > 0 and dy, dt = 3 units/min., find the value of dx, dt at the instant x = 1 unit.
asked by Anonymous 
math
If the length of each dimension of the rectangular prism is cut in half, then surface area will be 1/4 of the original surface area. true or false
asked by Anonymous 
math
King Arthur II has problems with pronouncing the digit 3. People are afraid of presenting something which includes 3 in it. The solution found is that if any number includes 3 as a digit, the number is divided by 2. This process continues as far as the new
asked by ani 
Physics
A sports car with a very powerful engine driving on a surface with a coefficient of static friction µs = 0.8 and a ten degree incline wants to accelerate from a stop to 100 km/hr. (You may neglect air resistance.) a) What is the fastest that the car can
asked by ji 
English
Is this sentence punctuated correctly? At elementary school, my teacher delighted in handing me worksheets crowded with row upon row of three to five digit long division problems.
asked by Luke 
physics
A charge of 3.00 µC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.115 m). The charges on the circle are 4.70 µC at the position due north and +5.00 µC at the position due east. What is
asked by Anonymous 
Chemistry
Calculate the energy in Joules, of a photon of blue light have a frequency of 5.0 x 10^14 hertz. E=hv v=C/ƛ v= 3.00x10^8/5.0x10^14= 6x10^7 E=(6.626x10^34) (6x10^7)= 3.9x10^40 Joules What am I doing wrong? I got this wrong on my exam and have a final
asked by Stacie 
Statistics
A flashlight has 8 batteries, 2 of which are defective. If you select 2 batteries, find the probability that You select at least 1 good battery
asked by Kalee 
government
parliament democracy is the form of democracy where citizens have the most power of their government right?
asked by reina bonilla 
PHYSICS
How do I solve this? The blade of a windshield wiper moves through an angle of 90.0° in 0.453 s. The tip of the blade moves on the arc of a circle that has a radius of 0.775 m. What is the magnitude of the centripetal acceleration of the tip of the blade?
asked by KS 
CHemistry
Given the following information calculate the heat of formation of C2H4. C2H4 + 3 O2 ¡æ 2 CO2 + 2 H2O ¥ÄH¡Æ = 414 kJ/mol C + O2 ¡æ CO2 ¥ÄH¡Æ = 393.5 kJ/mol H2 + ¨ö O2 ¡æ H2O ¥ÄH¡Æ = 241.8 kJ/mol
asked by sam 
Math
Victoria tossed a coin 30 times and got 17 heads. What is the ratio of heads to coin tosses? What is the ratio of heads to tails? What is the ratio of tails to heads? If victoria tosses the coin 150 times, how many times can she expect to get heads?
asked by Kayla 
algebra
how to convert to standard form by completing the square on x and y. 9x^2+4y^272x+16y+124=0
asked by Denise 
ss
where do our alphabet come from? is it from the phoenicians
asked by Angelina 
PHYSICS
How do I solve this? For the normal force in the drawing to have the same magnitude at all points on the vertical track, the stunt driver must adjust the speed to be different at different points. Suppose, for example, that the track has a radius of 2.87 m
asked by KS 
Chem
How many kilojoules of heat are released when 185 g of benzene freezes at its freezing/melting point? (Heat of fusion for benzene = 127 J/g, Heat of vaporization for benzene = 393 J/g)
asked by Carey 
Physics
The maximum speed of a 3.68kg mass attached to a spring is 0.688 m/s, and the maximum force exerted on the mass is 11.6 N. What is the amplitude of motion for this mass? (in m) What is the force constant of the spring? (in N/m) What is the frequency of
asked by Madison 
Physics
A liter of water is used to cool some electronics. If 1000 J of heat is given off by the electronics, by what temperature does the water increase? One liter of water has a mass of 1 kg and a specific heat of 4.184 J/(g °C). I can not get this..please help
asked by Sean 
Physics
The combination of an applied force produces a constant total torque of 39.6 N.m on a wheel rotating about a fixed axis. The applied force acts for 5.3 s. During this time, the angular speed of the wheel increases from 0 to 9.8 rad/s. Determine the moment
asked by Exes 
english
how does rebellion and conformity play a role with mr. rotchester in "jane eyre" and jack in "the importance of being earnest" thank you
asked by lauren 
pre ap chemistry
you will need to explain in detail how to make 100.0 ml of a 0.500M CUSO4.5H20(s) SOLUTION. BE SPECIFIC about the measurements you would make and the type of equipment you will use . write out steps
asked by nissa 
Maths
Marks worth is A 1 B 2 C 2 Please explain next to it though how you got that answer and what to write to get that mark. Clearly explain as I have no clue, don't leave anything out though! Information needed to solve There is an isosceles triangle with
asked by Todayneededplz! 
math
2 numbers have a product of 7, and a difference of 28, what are the 2 numbers?
asked by Dam 
Maths
Marks worth is A 1 B 2 C 2 Please explain next to it though how you got that answer and what to write to get that mark. Clearly explain as I have no clue, don't leave anything out though! Information needed to solve There is an isosceles triangle with
asked by URGENTPLZANSWERNOW! 
math
Raymond has four more sisters than Tyler.Write a number sentence to show Raymond=r tyler=t
asked by jeff 
science
A harmonic wave is traveling along a rope. The oscillator that generates the wave completes 49.0 vibrations in 20.8 s. A given crest of the wave travels 402 cm along the rope in a time period of 14.9 s. What is the wavelength?
asked by Desia 
english
how does rebellion and conformity play a role with mr. rotchester in "jane eyre" and jack in "the importance of being earnest"
asked by lauren 
calculus check
Find the limit as x approaches 3 of [(2x^35x^2+7)/(3sin(xpi/6)cos(xpi))] When I plugged in 3, I got 4.
asked by Jeff 
PHYSICS
A satellite has a mass of 5949 kg and is in a circular orbit 4.07 × 105 m above the surface of a planet. The period of the orbit is 1.9 hours. The radius of the planet is 4.55 × 106 m. What would be the true weight of the satellite if it were at rest on
asked by Anonymous 
chemistry
Can anyone help me with this question. Propose a method in detail to determine the concentration of two components, quinine and anthracene in a mixture using fluorimetry. You have access to pure sulutes and an appropriate solvent. The excitation and
asked by Briam 
Bus 308
If the ratio of difference compared to data variability is large in a z score, which is true
asked by Tam 
math
Show that 8x^3 + 12x + 100logx=O(x^3).
asked by ani 
Math
If the scale on a drawing of a house is 1 cm=2 1/2m, what is the length of the house if it measures 3 cm on the scale drawing?
asked by Kayla 
Physics
I shot two arrows into the air the first arrow had a speed of 10 m/sec , 1 second later I shot the 2nd arrow into the air with a speed of 15 m/sec. Will they meet? If so, where?
asked by Christian 
Physics
Two hikers, Alisha and Caleb, are resting on a hillside; the hill has a slope of 30 degrees, and Caleb is sitting above Alisha, eight meters away. They’ve brought fruit to eat on the trail, but they want to trade. a) Caleb throws an orange down to
asked by 0000 
Physics
In an exhibit at the NASA museum in Huntsville, AL, there is a “human centrifuge”. Guests stand upright against the walls of a circular room with a radius of 8 meters which then spins at an angular velocity ω about an axis through its center. Then,
asked by amanda 
AP chemistry
what products would form after hydrogenation of 2methyl1butene? after halogenation (cl2)?
asked by jk 
Calculus 2
Determine whether the series is convergent, absolutely convergent, conditionally convergent, or divergent. On top of the summation sign (∑) is infinity. Under the summation sign is n=2, and right next to it (to the right of ∑ sign) is (n root of
asked by Sena 
Math
Marks worth is A 1 B 2 C 2 Please explain next to it though how you got that answer and what to write to get that mark. Clearly explain as I have no clue, don't leave anything out though! Information needed to solve There is an isosceles triangle with
asked by Todayneededplz 
Math
Surface area of each solid .round to THE nearest tenth if necesaria. 6cm 5.2cm 7cm 6c
asked by Raul 
social studies
what are some examples where societies influence each other?
asked by Angelina 
Literature
I am currently writing a compare/contrast paper discussing Flannery O'Connor's literary works and Dennis Covington's novel Salvation on Sand Mountain. My question is... Would I use present perfect or past perfect when discussing Dennis Covington's novel
asked by Caroline 
physics
A charge of +3.7 ✕ 105 C is located at a place where there is an electric field that points due east and has a magnitude of 16400 N/C. What are the magnitude and direction of the force acting on the charge?
asked by Anonymous 
Calculus
Find the area bounded by y=x^24x+3 and y=x+4 to the newrest integer.
asked by Anonymous 
calculus
If f(x)=the integral of (3x^2+2x+4) dx, find C if f(1)=10.
asked by Jeff 
Math
If it costs an average of $14 each day to feed each of the 1058 zoo animals, what is the annual cost for feeding all the animals?
asked by Anonymous 
integral
3xdx/√(4+x) need help!!!!
asked by Mary 
Life orientation
What is socio economics issues?
asked by Zolisa 
chemistry
please help !!! You are given an organic solid which reacts with most organic solvents. How would you obtain the IR spectrum of it?
asked by katherine 
math
Tess’ commission is increased according to how much she sells. She receives a commission of 6% for the first $5000 and 12% on the amount over $5000. What is the total commission on sales of $12,000?
asked by joshua 
Math
Solve each equation for 0
asked by Lily Chang 
Physics
An equal amount of heat is transferred to two containers containing water at the same temperature. If the second container contains three times as many water molecules as the first, how do the final temperatures compare?
asked by Sean 
Analytic Geometry
The line through the points (1, 6) and (5, 2)intersects the line through (4, 4) and (1,7).Determine the angle between these two intersecting lines.
asked by Alexis 
math
if you know the area of a square how do you find the length of the square?
asked by Alice 
Calculus
Find limit as x approaches 0 [7x/(sqrt(x+4)2)]
asked by Anonymous 
math
how do I find the max number of 1.7 inch diameter spheres that can be stored in a cylindrical tank the tank has a radius of 2 inches and height of 4 inches there are 2 inches of water in the tank
asked by emily 
statistics
If a pair of dice (one red; the other blue) are rolled, Find the probability of landing on at least one odd number
asked by Kalee 
Math
Angie has a scarf that measured 36.5 inches long. Her sister made a scarf 4.66 inches shorter. How long was her Austen's scarf?
asked by Jaiden 
Chemistry
I need help, I don't know how to approach this question The free energy generated by ion movement in the cell is used by the cell to do work. Compute the minimum number of millimoles of sodium that would be needed to pump one millimole of calcium ions if
asked by Ann 
chemistry
If 5.0 mL of 0.12 mmol dm3 MB solution is diluted by adding 20.0 mL of 0.2 mol dm3 HCl to it, what is the new MB concentration?
asked by Mara 
physics
Calculate the capacitance of a planet, assuming it is a spherical capacitor of radius R = 9050.0 km with charge distributed throughout the volume of the sphere.
asked by titu 
Calculus
Find the average value of f(x) on the interval [1, 3] when f'(x)=3x^26x and f(2)=0.
asked by Anonymous 
computers
Suppose the days of the year are numbered from 1 to 365 and January 1 falls on a Tuesday as it did in 2008. What is the correct For statement to use if you want only the numbers for the Thursdays in 2008?
asked by twanda 
Math 222
Please someone help me simplify this problem. My addition/plus key is not working. x3/x^2 plus 5x plus 6 divided by x plus 1/4x plus 8
asked by Tika 
Math
Please help me write this as a single fraction? Sorry my addition/equal key does not work  3a7b/2a plus 5a4b/3a plus 3.
asked by Tika 
WAVE OPTICS
A traviling wave is discribed by the equation Y= exp(az^2bt^22underadical(ab zt)) 1,in what direction is the wavetravelling 2,what is the wave speed
asked by MINTASINOT ADUNYA 
Math 222
Please help me solve for m? F equal mv^2/r solve for m.
asked by Tika 
Math 222
The sum of two numbers is 47. The smaller number is 23 less than the larger number. What are the numbers?
asked by Tika 
Math
write the equation y+3=1/3x in general form.
asked by Anonymous 
English
As an African American, Angelou experienced firsthand racial prejudices and discrimination in Arkansas. She also suffered at the hands of a family associate around the age of 7: can someone reword so I cant understand?
asked by thi 
Math
the antelopes eat 15 kg of corn, 14 kg of horse feed, and 100 kg of hay per day. how many kilograms of food are eaten per week?
asked by Student 
chemistry
Hess¡¯ law says that when we add reactions together we can also add the enthalpies. Given the following set of reactions, use Hess¡¯ Law to calculate the enthalpy of the reaction given below. N2H4 + H2 ¡æ 2 NH3 ¥ÄH¡Æ = ? N2 + 3 H2 ¡æ 2 NH3
asked by jhon 
chemistry
You are given an organic solution which reacts with most organic solvents. how would you obtain the IR spectrum of it?
asked by Maria 
physics
If the time period of a wave is twice its frequency. How many waves are produced in 4secs if its frequency is 2hz
asked by zayeem 
math
If the intensity of a lightbulb is 45w/m^2 at a distance of 8m, then what is the intensity of it at a distance of 3m?
asked by Ashley 
Engineering Physics 1
I shot the first arrow Into the air with a speed of 10 m/sec , 1 second later I shot the 2nd arrow into the air with a speed of 15 m/sec. Will they meet? If so, where? how do i solve this?
asked by Joshua 
science help
Explain how the hooves of the camel are adapted to move in the dessert.
asked by Kayla 
math
With the coordinates of (2,10)(4,20)(6,30) on a graph first numbers being the number of sub's on the x axis, and the second number being the cost of the sub's on the y axis. What is the slopeintercept equation for the cost of a sub at Fred's Sub Shop?
asked by blue day