Questions Asked on
November 3, 2012

Lana Del Rey Biography Help
Im doing a biography on the famous singer lana del rey, and im wondering what things I should include in a biography?
asked by Bryce 
physics
A wagon is pulled by a handle making an upward angle of 25° with a force of 25 N. What is the horizontal force pulling the wagon foward? What is the force lifting the wagon off the road?
asked by Alyssa 
English
Should I write seek or seeks? . . . which is a group of professionals who seek/seeks. . . .
asked by Taurus 
Calc 2
Use Taylor’s Estimate to bound the error of the nth order Maclaurin approximation of sin(a), where a 2 [��; ].
asked by Tom 
Definition question?
Definition political division Word Choices secede, tariff, or NAFTA NAFTA?
asked by rawr... im a dinosaur.... rawr 
Capacitance (tricky)
Two parallel plates of area 41 cm.^2 have equal but opposite charges of 2.60E07 C. Within the dielectric material filling the space between the plates, the electric field is 5.80E+05 V./m. Find the dielectric constant of the material. Feel like there is a
asked by andrew 
Math
The age of ramesh and rahim are in the ratio 5:7. If ramesh was a years oldr and rahim was a years younger,the age of ramesh would have been twice age of rahim.find their age plz gve me sltn fst
asked by Simran kaur 
Math
Mukul has 3times as much money as atul.If mukul gives rs250 to atul,atul wil have twice as much money as mukul.how much money did each of them have? Plz gve me sltn fst
asked by Simran kaur 
English
1. Get a tent and sleep outside in your backyard. (In this sentence, what other verbs can we use instead of 'get' to make the sentences having the same meaning?)
asked by rfvv 
Physics
A ferry is crossing a river.The ferry is headed due north with a speed of 2.5 m/s relative to the water and the river's velocity is 2.0 m/s to the east. What is the magnitude and direction of the ferry's velocity relative to Earth. ( Give the angle from
asked by alice 
devry math
Find the prime factorization of 196, using exponents when repeated factors appear
asked by shanta 
devry math
Find the prime factorization of 196, using exponents when repeated factors appear
asked by shanta 
physics
The spring of the pressure gauge shown in the figure below has a force constant of 1,160 N/m, and the piston has a radius of 1.22 cm. As the gauge is lowered into water, what change in depth causes the piston to move in by 0.750 cm?
asked by keli 
math
A set of n = 5 pairs of X and Y values has SX = 10, SY = 20, and SXY = 10. For this set of scores, what is the value of SP?
asked by meka 
biology
what is the function of adrenel glands
asked by jessica 
biology
what is the function of pancreas
asked by jessica 
calculas maths
.Two hikers begin at the same location and walk in perpendicular directions. Hiker A travels due north at a rate of 3 miles per hour; Hiker B travels due east at a rate of 5 miles per hour. At what rate is the distance between the two hikers changing 4
asked by ashwani 
biochemistry
Enzyme X is a highly pigmented protein that imparts the characteristic color to certain bluegreen algae. It also facilitates a reaction necessary to the survival of this species; we can follow the kinetics of this reaction by measuring the conversion of
asked by Ama 
chemistry
calculate the mass of potassium hydrogen phthalate which must be dissolved in water to make 500ml of a 0.2000M solution
asked by nelia 
Math
There are 28 boys in a class which account to 78 of the whole class. Find the total number of students and girls in the class.
asked by Siranta 
Math
Thanks Ms. Sue for givig me the anser of 11,211 for my son's math problem(I have 10 thousands, 11 tens, 12 hundreds, and 0 ones. What number am I?) However, I am still confused and need a little more clarification? I understand place value order. If there
asked by Math Mom 
chem
a volume of 122mL of argon, Ar, is collected at 500 degrees C and 758 torr. what does this sample weigh?
asked by tracy 
Math
10h+65h+3
asked by Na 
psy/201
I need help finding two website that are credible to answer this question. Locate two resources on the Internet that explain meditation techniques. Copy and paste the web address into the top of the matrix. After reviewing the website, provide a brief
asked by sade c 
physics chemistry
For a PET diagnostic imaging is used 18F with an activity of 5,2 mCi and a T1/2 of 110 min.. How much fluorine 18 is there at the beginning of the exam? Those are the information that i know, it's a problem that i try to resolve, but i arrived to a very
asked by Alessandro 
Math
48in=1yd 1 foot or 1.3 9680yd=5mi 880yd or 5.5 15840ft=3mi 6gal=24qt 4pt=8c 32fl oz=4c 9qt=18pt 15qt=3gal 3qt or 3.75 7gal=56pt
asked by Jerald 
algebra
simplify the expression 6+i/5+i Could someone explain the steps?
asked by Lee 
algebra
what is the solution 1/2x^2x+5=0 could someone please explain
asked by Lee 
algebra
identify the graph of 4+2i if someone could explain to me how you decide which way to go on the graph as far as imaginary and real axis
asked by Lee 
biology
A homozygous tall Man got married to a heterozygous tall woman and they produce four offspring. Illustrate with cross  links the phenotype and genotype of their children
asked by alisa khan 
Computer Science
Question #1. 1. Say that L is regular over 0, 1. Is the set, {xx = 0y,y ∈L } also regular? 2. For two regular languages (a) Is M*L=L*M for any alphabet? (b) Is it true if the alphabet is only {0,1}? (c) Is it true if the alphabet is only {0}? 3. If L is
asked by James 
Math
Anthony is building a toolbox with length 2 feet width 1 foot and height 3 feet. What are the dimensions of Anthony's box in inches? 72in? Raquel and her family are moving from Portland Oregon to Seattle Washington. She is comparing annual rainfall to
asked by Jerald 
Math
Krista lives 1/2 mile from school. Desiree lives 872yards away from school. Who lives closer? Desiree?
asked by Jerald 
calculus
f''(x) = (3x^3  5x^2 + 1) / x^2; and f(1) = 0, f(1) = 1. So i turn f''(x) into (3x^3  5x^2 + 1)(x^2) and multiply to get f''(x) = 3x  5 + x^2 So f'(x) = (3/2)x^2  5x  (1/x) + c And f(x) = (1/2)x^3  (5/2)x^2  ln(x) + cx + d Not really sure what to
asked by travis 
Physics
What is the total force on the bottom of a swimming pool 27.5m by 9.0m whose uniform depth is 1.9m? physics What is the absolute pressure on the bottom of a swimming pool? What will be the pressure against the side of the pool near the bottom?
asked by Sarah 
Physics
A 19cm radius air duct is used to replenish the air of a room 9.2m x 6.0m x 4.0m every 18min . How fast does air flow in the duct?
asked by Sarah 
Physics
A crane lifts the 22000kg steel hull of a ship out of the water. Determine the tension in the crane's cable when the hull is submerged in the water. Determine the tension when the hull is completely out of the water.
asked by Sarah 
calculus
Given: y^2+h^2=1 Find h as a function of y. If expression for dy/dx includes h, substitute the expression in terms of y for h. Write dy/dx in terms of y only. Show that x=[(1+sqrt(1y^2))/y]sqrt(1y^2) satisfies the differential equation you found to
asked by Alex 
elementar
how to prepare research graphic organizer ocean animal.which one is the best like dolhin.please help me i don,t have any idea.how to prepare that one can u please explain me
asked by Latha 
HISTORY
What has been the effect on American relations with other countries since September 11?
asked by NICA 
Chemistry
H2P4: PHOTON EMISSION An electron in Li2+ falls from n = 2 to the ground state. Calculate the wavenumber, (νˉ), of the emitted photon.
asked by Alyssa 
chemistry
calculate the value of the equilibrium constant K for this reaction A+B C from the following information 3C D Kc= 7.1*10^4 D 3A + 3B Kc= 2.9*10^2
asked by Brun 
Chemistry
if an excess of Al and 7.9 mol of Br2 are reacted in equation 2Al + 3Br2= 2AlBr2, how many moles of AlBr2 will be formed assuming a 100% yield
asked by Tiffany 
Capacitance
A parallel plate capacitor with plates of area 320 cm.^2 is charged to a potential difference V and is then disconnected from the voltage source. When the plates are moved 0.3 cm. farther apart, the voltage between the plates is increased by 152 V. What is
asked by andrew 
Physics
As seen from above, a playground carousel is rotating counterclockwise about its center on frictionless bearings. A person standing still on the ground grabs onto one of the bars on the carousel very close to its outer edge and climbs aboard. Thus, this
asked by Sam 
college math
A $8700 personal loan at 5.5% compounded monthly is to be repaid over a 4 year term by equal monthly payments. a) calculate the interest and principle component of the 18th payment b) how much interest will be paid in the third year of the loan?
asked by sasha 
math
how do subtract mixed numbers
asked by Anonymous 
Physics
An ant on a picnic table travels 40 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the ant's directional displacement relative to its original position?
asked by alice 
chemistry... HELPP
What is the cell potential for the reaction Mg(s) + Fe^2+(aq) > Mg^2+(aq) + Fe (s) at 63 degrees celsius when [Fe^2+]= 3.30 M and [Mg^2+]= 0.110 M
asked by Angie 
Physics
A small 0.469kg object moves on a frictionless horizontal table in a circular path of radius 1.42 m. The angular speed is 6.31 rad/s. The object is attached to a string of negligible mass that passes through a small hole in the table at the center of the
asked by Sam 
Chemistry
What is the final concentration of Sucrose if 150 ml of a 1.2 M solution of Sucrose is diluted to a total volume of 0.60 L?
asked by Marilyn 
MSD
Pat and Kris are roommates. They spend most of their time studying (of course), but they leave some time for their favorite activities: making pizza and brewing root beer. Pat takes 4 hours to brew a gallon of root beer and 2 hours to make a pizza. Kris
asked by Ahmad 
english lanuge arts
what are stem words?
asked by parth 
Physics
Imagine you are an astronaut who has landed on another planet and wants to determine the freefall acceleration on that planet. In one of the experiments you decide to conduct, you use a pendulum 0.47 m long and find that the period of oscillation for this
asked by Ray 
AP Statistics
We guess, based on historical data, that 30% of graduating highschool seniors in a large city will have completed a firstyear calculus course. What's the minimum sample size needed to construct a 95% confidence interval for a proportion with a margin of
asked by Blegh 
AP Statistics
Your mathematics instructor claims that, over the years, 88% of his students have said that math is their favorite subject. In this year's class, however, only 21 out of 32 students named math as their favorite class. The instructor decides to construct a
asked by Blegh 
chemistry
a volume of 122mL of argon, Ar, is collected at 500 degrees C and 758 torr. what does this sample weigh?
asked by Tracy 
Chemistry
Nitrogen & hydrogen goes react to form ammonia gas as follows: N2(g)+3H2(g)>2NH3(g) At a certain temperature & pressure, 1.2L of N2 reacts with 3.6L of H2. If all the N2 and H2 are consumed, what volume of NH3, at the same temperature & pressure will be
asked by Ezra 
Physics
A stone is thrown at an angle of 30 degrees above the horizontal from the top of a cliff with an initial speed of 12 m/s. If it hits the ground 4.6 seconds later, what is the height of the cliff?
asked by lily 
Social studies
Brief synopsis on the cause, effect and result Of the attack on Pearl Harbor. Six and one half Pages already typed and on cardboard made A flag, have pictures, just need alittle help In summarizing some facts you may have with The facts I have for the
asked by Chris 
BobPursly& Writeteacher please view
You wanted me to post my edited introduction and 1st paragraph for my 6 paragraph essay. Please let me know what you think now. Flat Irons vs. Curling Irons Do you have trouble deciding what heated styling utensil will be best for your hair? Both the
asked by Katelynn 
physics
Your physics teacher drives an ideal frictionless car of mass 1000 kg which coasts along the level road to his home at a constant speed of 48 km/h with the engine turned off. It then coasts 40 m up his sloping driveway and comes to rest at the top without
asked by Jen 
chemistry
The standard reduction potentials of lithium metal and chlorine gas are as follows: (for Li, reduction potential is 3.04, for Cl it is 1.36) In a galvanic cell, the two halfreactions combine to 2Li{+](s) + Cl{}2(g) > 2Li{+}Cl{}(aq) cell potential=4.4
asked by Ann 
english
2. The broadest type of search, which looks for your terms anywhere, is a/an _______ search. A. subject B. title C. author D. keyword
asked by mike 
psych
an IQ test is given on a tuesday, when given the test again on thurs the child scores differently, this is an issue of what? function, reliablity, observation or reflection?
asked by diana 
AED200
a 700 to 1,050word paper in which you outline the steps required for a multicultural education to be effective. Describe types of activities you would incorporate into your classroom that would support a multicultural education for all groups in this
asked by amber 
Physics
Jason takes off across level water on his jetpowered skis. The combined mass of Jason and skis is 75 kg (the mass of the fuel is negligible). The skis have a thrust of 200 N and a coefficient of kinetic friction on water of 0.1. Unfortunately, the skis
asked by Michael 
Physics
Jason takes off across level water on his jetpowered skis. The combined mass of Jason and skis is 75 kg (the mass of the fuel is negligible). The skis have a thrust of 200 N and a coefficient of kinetic friction on water of 0.1. Unfortunately, the skis
asked by Michael 
Physics
Jason takes off across level water on his jetpowered skis. The combined mass of Jason and skis is 75 kg (the mass of the fuel is negligible). The skis have a thrust of 200 N and a coefficient of kinetic friction on water of 0.1. Unfortunately, the skis
asked by Michael 
Physics
A 38 kg child is sitting on a slide at angle 45o from the horizontal. What is the minimum value of static friction between the child and the slide that prevents the child from sliding down?
asked by Michael 
Physics
A 38 kg child is sitting on a slide at angle 45o from the horizontal. What is the minimum value of static friction between the child and the slide that prevents the child from sliding down?
asked by Michael 
Physics
A 38 kg child is sitting on a slide at angle 45o from the horizontal. What is the minimum value of static friction between the child and the slide that prevents the child from sliding down?
asked by Michael 
Physics
You push along a handle down toward a sled to move it across the snow. The handle is at an angle with the horizontal. As you increase the angle the handle makes with the horizontal,(steeper angle), what happens to the normal force the ground exerts on the
asked by Mike 
math
Find the area and perimeter of an isosceles triangle the base is 16.0 ft and one of the legs is 20.0 ft i don't know the height how would i do this?
asked by danica 
physics
A car weighing 2000 lbs is parked on a hillside in San Francisco at an angle of 55o (relative to the ground). Approximately what is the minimum coefficient of static friction necessary to keep the car from sliding downhill?
asked by Mike 
math
whats the angle of one end of a 13 ft.by2 by 4 ,,2ft.high and other end level?
asked by James 
physics
A 800 kg steel beam is supported by two ropes. Each rope has a maximum sustained tension of 6600 N. One of the ropes is 20 degrees left of the horizontal(normal) while the other rope is 30 right of the horizontal(normal). What is the tension in each rope?
asked by Yannan Huang 
Chemistry
Consider the gasphase transfer of an electron from a sodium atom to a chlorine atom: Na(g)+Cl(g)>Na^(+)(g)+Cl^()(g) I was able to write the reaction that relates to an ionization energy and that relates to an electron affinity. I broke it up into:
asked by Ezra 
college physics
A wet towel of mass 4 kg is hung in the center of a 6 m clothesline, so that the line makes an angle 10o with the horizontal. The tension in the line is closest to... 50N, 40N, 100N, 200N, or 10N
asked by kevin 
chemistry... HELP
Equilibrium constant question!!!? Standard reduction potentials Reduction halfreaction E(V) Ag+(aq) + e > Ag (s) 0.80 Cu ^2+ (aq) + 2e > Cu (s) 0.34 Sn^4+(aq) + 4e > Sn (s) 0.15 2 H+(aq) + 2e > H2 (g) 0 Ni^2+(aq) + 2e > Ni (s) 0.26
asked by Ann 
physics
A freight train has a mass of 3.1 × 107 kg. If the locomotive can exert a constant pull of 4.9 × 105 N, how long would it take to increase the speed of the train from rest to 71.9 km/h? Disregard friction.
asked by scott 
math
Judd paid 182 dollars for a thermos, a blender, and a microwave. The blender cost 35 more dollars than the thermos. the microwave cost 65.50 more than a blender. Find the cost of the blender? please show your work.
asked by lidia 
physics
A shopper in a supermarket pushes a loaded 32 kg cart with a horizontal force of 10 N. The acceleration of gravity is 9.81 m/s2 . a) Disregarding friction, how far will the cart move in 3.3 s, starting from rest?
asked by scott 
psy/201
I need help finding two website that are credible to answer this question. Locate two resources on the Internet that explain meditation techniques. Copy and paste the web address into the top of the matrix. After reviewing the website, provide a brief
asked by sade c 
college physics
A 90 kg rock climber is stationary off the side of an overhanging cliff hanging onto her climbing rope. Another rope is tied to her foot and is attached at the other end to her 30 kg rockclimbing dog, also hanging out 2 m below her. Tied to the dog’s
asked by kevin 
physics
A 1.6 kg otter starts from rest at the top of a muddy incline 95.9 cm long and slides down to the bottom in 0.50 s. What net external force acts on the otter along the incline? Answer in units of N
asked by scott 
chemistry
The hybridization of the lead atom in PbCl4 is...?
asked by Sandy 
Physics
A 300 block on a 56 long string swings in a circle on a horizontal, frictionless table at 65 .What is the speed of the block? What is the tension in the string?
asked by Coco circular motion 
History
What made iroquois headwomen different from regular Iroquois woman
asked by Daniel 
chemistry
The molar volume of a certain form of solid lead is 18cm3/mol. Assuming cubic closest packed structure, determine the number of Pb atoms per unit cell.
asked by Sandy 
aig
Allison, Ashley, and Becky weigh 124 kg altogether. Allison and Becky weigh 102 kg altogether. Allison and Ashley weigh 86 kg altogether. How much does each person weigh? please show your work.
asked by lidia 
calculus
How to sketch the graph of a differntiable function y = f(x) that has the given properties.Local minimum at (1,1) and local maximum at (3,3)
asked by Anthony 
History
what was the development of the slavery system?
asked by Merlin 
Physics
A physics student is pulling on a 20 kg box that is sliding on the floor. The student applies a pulling force of 100 N using a rope at angle 30o from the horizontal. The coefficient of kinetic friction between the box and the floor is 0.4. The acceleration
asked by Michael 
physics
a 60.00kg athlete leaps straight up into the air from a trampoline with an intial speed of 9.0 m/s. The goal of this problem is to find the maxiumum height she attains and her speed at half maximum height. what are the interacting objects and how do they
asked by yue xing lu 
Chemistry
How many moles of NaOH are in 125mL of a 4.00M solution of NaOH?
asked by Anonymous 
History
What was LBJ's War on Poverty About?
asked by Anonymous 
Physics
The box of a wellknown breakfast cereal states that one ounce of the cereal contains 129 Calories (1 food Calorie = 4186 J). If 2.55% of this energy could be converted by a weight lifter's body into work done in lifting a barbell, what is the weight of
asked by Anonymous 
History
What was Johnson's Great Society all about? and what is three principal pieces of legislation that comprised it
asked by Anonymous 
Maths probability
An insurance company classifies its customers into three groups,a,b and c. Groups a accounts for 20% of the total custermers, groupe b accounts 40%, and accounts for 40%. For people in groupe a,b and c, the probabilities of having an accident in one year
asked by Nithiya 
algebra 1
The perimeter of a triange with sides a,b,and c is 24 cm. Side a is 2cm longer than side b. The ration of the lenghts of sides b and c is 3:5. What are the lenghts of the three sides of the triangle?
asked by Kylie 
Physics help
A beetle whose mass is 2 g sits on a turntable at a distance of 12 cm from the center. The turntable is rotating at 33 rpm. (a) What are its acceleration and the centripetal force on it? a =______ m/s2 Fc=_____ N (b) What is the interaction that provides
asked by arcos15 
College Finance
Warp Tense Ltd. has the following assets: Current Assets (Temporary): $2,000,000 Current Assets (Permanent): $500,000 Capital Assets: $4,500,000 Total Assets: $7,000,000 Its operating profit (EBIT) is expected to be $0.45 million. Its tax rate is 30
asked by Bradley 
logic
conjecture 17 if A, B, and C are sets, then (A\B)U C = A\(BUC)
asked by luckybee 
math
Whats the lcm of 32 40 and 49
asked by tt 
SAT Essay
Assignment: Can knowledge be a burden rather than a benefit? Plan and write an essay in which you develop your point of view on this issue. Support your position with reasoning and examples taken from your reading, studies, experiences, or observations
asked by Sanya 
Organizational com
How does emotional intelligence and Gibbs confirming climates contribute to organizational functioning?
asked by Anonymous 
Science
Which one of the following is incorrect at room temperature? a.Water is liquid at 1 atmosphere b.ozone is gas at 1 Atmosphere c.O4 EXISTS AT VERY HIGH PRESSURE d.CH4 IS LIQUID AT LOW PRESSURE
asked by Ajai 
Physics
A stone is thrown at an angle of 30 degrees above the horizontal from the top of a cliff with an initial speed of 12 m/s. If it hits the ground 4.6 seconds later, what is the height of the cliff?
asked by lily 
Native place
Please share your native countries with me! I am from India.
asked by Ajai 
physics
A wet towel of mass 4 kg is hung in the center of a 6 m clothesline, so that the line makes an angle 10o with the horizontal. The tension in the line is closest to... 50N, 40N, 100N, 200N, or 10N
asked by kevin 
math
Mary has 6 more pennies than Andy has. Together they have 28 pennies. How many pennies does each person have?
asked by Jackson 
Chemistry
A 500 mL bottle at room temperature (25˚C) of water is poured over 120 g of ice that is (8˚C). What will be the final temperature of the water be when all the ice has melted? You can ignore loss of heat to the room.
asked by Paige 
Calculus
Determine the point on the curve 2y=2x^2 which is nearest to the point (2,0) Please include step by step calculations if possible... as that will help mem understand the problem better.
asked by Daniella 
Algebra
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.5 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.)
asked by Renee Tyler 
To Ms.sue
What is your opinion about india?have you ever been in india
asked by Ajai 
Calculus 2
n=1 series to infinity (5^n)/n^3 does it absolutely converge, diverge or conditionally converge. Would I be applying the ratio test?
asked by James 
algebra
Example 2: The difference of two numbers is 16. The first number is 4 less than twice the second number. Set up this system that describes the situation.
asked by Tina 
math
my ten digit is 3 more then 5. My ten digit is double the number of my ones digit what number am i?
asked by Anonymous 
Astronomy
Purpose the run somehow becomes a black hole without change in its mass , it will pull into itself a.all the planets b.only mercury c.all the planets from mercury to mars d.none of the planets
asked by Ajai 
Science
Full form of MRI
asked by Ajai 
To Ms.sue
Where are you staying in america?what is your profession there ?
asked by Ajai 
math
An artifact was found and tested for its carbon14 content. If 83% of the original carbon14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon14 has a halflife of 5,730 years.
asked by Anonymous 
Chemistry(Please check)
For an experiment on specific heat capacities my data for measured specifi heats was consistently higher than the accepted values. I am not sure why this is. Would it be because my initial temperature that I started the experiment with was higher than it
asked by Hannah 
To Ms.sue
I am a boy of 14 .i am a student of 9 standard
asked by Ajai 
calculus
Given: y^2+h^2=1 Find h as a function of y. If expression for dy/dx includes h, substitute the expression in terms of y for h. Write dy/dx in terms of y only. Show that x=[(1+sqrt(1y^2))/y]sqrt(1y^2) satisfies the differential equation you found to
asked by Alex 
To bobpursely
It is a T.V quiz program. Please answer
asked by Ajai 
math
Tickets to the Senior Class Play cost $3.00 for students, $8.00 for adults, and $5.00 for senior citizens. At Friday night's performance, there were 121 students, 174 adults, and 32 senior citizens. At Saturday night's performance, there were 183 students,
asked by Sam 
Chemistry
What is pH of pure water at 70o C
asked by Ajai 
Physical Science
When you do 100 J of work on the handle of a bicycle pump, the pump does 40 J of work pushing the air into the tire. What is the efficiency of the pump?
asked by Leah 
Math
A river does 6,500 J of work on a water wheel every second. The wheel's efficiency is 12%. a. How much work in joules can the axle of the wheel do? b. What is the power output of the wheel in 1 s?
asked by Leah 
history
whats the difference between the new left and counter culture.
asked by Anonymous 
Calc 2
How would I do this one? n=1 to infinity n^n/4^1+3*n Does it absolutely converge, conditionally converge, or diverge? What would I do here?
asked by James 
math
An artifact was found and tested for its carbon14 content. If 83% of the original carbon14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon14 has a halflife of 5,730 years.
asked by Anonymous 
Math
John is using a pulley to lift the sail on his sailboat. The sail weighs 150 N, and he must lift it 4.0 m. a. How much work must be done on the sail? b. If the pulley is 50% efficient, how much work must John do on the rope to lift the sail?
asked by Leah 
Physics
weightlessness experienced while orbiting the earth is due to ?
asked by Ajai 
chemistry 11
if a solution is contanimated with a chemical that causes a larger amount of solid, opaque particles floating in the solution, would the absorbance read too high or too low, and why?
asked by Anna 
math
According to a national study, 45% of american adults have hypertension, 20% have hypotension, and 35% have normal blood pressure. A sample of 150 adults was taken and the following data were collected. Hypertensive: 54, Normal: 69, Hypotensive: 27. Test
asked by Joe 
algebra
1/3log(x)log(10000)=4
asked by CLara 
math
the minimum wages increased from $5.25$5.75 per hour,what is the percent of increase of the minimum wage?
asked by wan 
math
a seismoraph 300km from the epicenter of an earthquake recorded a maximum amplitude of 5.4 x 10^2um. Find this earthquakes magnitude on the Richter Scale. (Round your answer to the nearest tenth). M=
asked by CLara 
History
Could someone please explain to me in their own words the difference between New Left and Counter Culture without sending me to a website that I don't fully understand. Thanks
asked by Anonymous 
Algebra
Find the number of decibels for the power of the sound. Round to nearest decibels. A rock concert, 5.21 x 10^6watts/cm^2 D= dB
asked by CLara 
Physics
A baby turtle swings on a playground swing. If his turtle mom comes and sits with him, the period of the swing's oscillation will: a.Increase b.Decrease c.Stay the same
asked by StressedStudent 
Math
Find the smallest positive integer that leaves a remainder of 5 when divided by 7, a remainder of 6 when divided by 11, and a remainder of 4 when divided by 13.
asked by JimmyPlease HELP 
statistics
The average age for licensed drivers in the county is μ 40.3 years with a standard deviation of 13.2 years. a. A researcher obtained a random sample of n 16 parking tickets and computed an average age of M 38.9 years for the drivers. Compute the
asked by Anonymous 
Physics
A solid circular disk has a mass of 1.67 kg and a radius of 0.144 m. Each of three identical thin rods has a mass of 0.351 kg. The rods are attached perpendicularly to the plane of the disk at its outer edge to form a threelegged stool (see the figure).
asked by StressedStudent 
algebra
s(t) = 68 − 20 log (t + 14), t ¡Ý 0. a) what was the average score when they initially took the test, t = 14?
asked by Doris 
algebra
ln(e) = ln(√(2)/x) ln(e)
asked by Aonymous 
business
what is Australia's fiscal policy?
asked by allee 
Physics
An ant on a picnic table travels 40 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the ant's directional displacement relative to its original position?
asked by alice 
Physics Help Please!
A microwave oven operates at 2.80GHz . What is the wavelength of the radiation produced by this appliance?
asked by Amy 
Physics
A long, thin rod is cut into two pieces, one being twice as long as the other. To the midpoint of piece A (the longer piece), piece B is attached perpendicularly, in order to form the inverted “T” shown in the drawing. The application of a net external
asked by StressedStudent 
foreign languages
How does someone differentiate between french's direct pronouns and indirect pronouns?
asked by allee 
Physics
Imagine you are an astronaut who has landed on another planet and wants to determine the freefall acceleration on that planet. In one of the experiments you decide to conduct, you use a pendulum 0.47 m long and find that the period of oscillation for this
asked by Ray 
Conservation Biology
What is the population total at one hundred years if you begin with two animals and they reproduce at 25% annually?
asked by Isla 
math
1.A red die and a blue die are tossed. What is the probability that the red die shows a 5 and the blue die shows an even number?
asked by jay 
Math
There are 40 questions on a class test. Six points are given for each correct answer and three points are deducted for each wrong answer. Find the number of correct answers for a test score of 105.
asked by Mary 
Math
Jane is x years old today. Her brother Kenny is 4 years older. After seven years their total combined age will be 24 years. Write a linear equation for their total combined age after seven years. Fine James age today.
asked by Mary 
mAth word problems
Farmer Pete expects to sell 5000 pumpkins this season he charges $7.00 per pumpkin. HOw can he figure out the total revenue from the sale if his farming expenses cost him $16,700.00 this season? would the answer be: 18,300.00 total revenue Betty WItch
asked by marko 
Math word problem
Tremor Troll was very upset. He believed Trogmire Troll's claim that there were 500 humans living under Tremors bed. Tremor was relieved when he found that there were really only 150 humans under his bed. Trogmire had said that there were ______?____ more
asked by marko 
Physics
A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its center. Rotating flywheels provide a means for storing energy in the form of rotational kinetic energy and are being considered as a possible alternative to
asked by StressedStudent 
Math,Statistics
Johnny suffers from Flu an average of 5 times per week. However, Tony claims that Johnny rarely suffers from fewer than 15 bouts flu per week. If Johnny has been suffering from flu for 180 weeks, at a minimum, how many of those weeks has he suffered from
asked by Tony 
Statistics
In recording the selfreported lengths of a particular body part in a sample of male undergraduates, the largest was claimed to be 20 cm—a full 3 standard deviations from the mean length for the sample. The shortest alleged length was only 10 cm, which
asked by susan 
calculus
A Construction Company uses the function below to determine the cost “C” in dollars for risk management. C(x)={(35 if 0
asked by Daniella 
Calculus
Water flowing into a hemispherical tank of 5m radius at a rate of ((3m^3)/(hr)) Determine the rate at which the depth of water increases.
asked by Daniella 
geography
john who lives at 35 degrees north and 120 degrees west regularly calls Geroge his business partnet at 2pm (John's local time) every day during July last year. George regularly recevied the calls at 10 pm ( his local time). throughout the month, George
asked by karen 
calulus
A plane flying at a constant rate of 200km/hr. What is the distance travelled by the plane 3mintues after it passes the observation point.
asked by Daniella 
Calculus
Find the Optimum value of the function f(x)=2x^2=6x10 and also state if the function attains a maximum or minimum.
asked by Daniella 
Calculus
Find the area between the following functions 2y=2x^2; y=1x^2 & x=1
asked by Daniella 
Calculus
Verify the hypothesis of the mean value theorem for each function below defined on the indicated interval. Then find the value “C” referred to by the theorem. Q1a) h(x)=√(x+1 ) [3,8] Q1b) K(x)=(x1)/(x=1) [0,4] Q1c) Explain the difference between the
asked by Daniella