Questions Asked on
November 7, 2014

math
Mrs. Clarkson designed a rectangular garden with a length of 15 meters and a width of 8 meters. She plans to build a walkway through the garden from one corner to the next. What measure is closest to the length of the diagonal walkway?
asked by somebody help i am new 
chemistry due soon
Which reaction shows that the enthalpy of formation of CS2 is Hf = 89.4 kJ/mol? A. C(s) + 2S(s) CS2(l) + 89.4 kJ B. C(s) + 2S(s) + 89.4 kJ CS2(l) C. C(s) + 2S(s) + 89.4 kJ CS2(l) + 89.4 kJ D. C(s) + 2S(s) CS2(l) I think the answer is a or b
asked by Morgan 
chemistry
Which of the following is a fluorinated hydrocarbon? Which of the following is a fluorinated hydrocarbon? carbon tetrachloride teflon DDT chloroform
asked by Shatoya 
economics
What was Marx's purpose in writing this essay? Does he succeed in getting his point across?
asked by 2phoneeeeee 
Science Help!!!!
Which sequence of processes must occur for an atom of carbon to go from a car to a tree? A. Resperation, decomposition B. Combustion, photosynthesis C. Fossilization, decompisition D. Fossilization, photosythesis Is the answer B? Thanks
asked by butterfly 
english
The fishing having become so poor, we packed up camp and moved to another lake. past participial phrase noun clause adverb clause nominative absolute elliptical clause
asked by marie 
economics
Do Marx's claims about estrangement and alienation still hold true today? Explain. not sure
asked by 2phoneeeeee 
economics
Are there some jobs that don't fit Marx's claims? If so, what are they, and why don't they lead to estrangement and alienation? If not, why are estrangement and alienation part of all forms of labor? i said not estrangement and alienation are part of all
asked by 2phoneeeeee 
Calculus
A large container has the shape of a frustum of a cone with top radius 5 m, bottom radius 3m, and height 12m. The container is being filled with water at the constant rate 4.9 m^3/min. At what rate is the level of water rising at the instant the water is 2
asked by Jennifer 
Physic
A penny on its side moving at speed v slides off the horizontal surface of a table a vertical distance y from the floor. a) Show that the penny lands a distance v√(2y/g) from the base of the coffee table. b) If the speed is 3.5 m/s and the coffee table
asked by Kay 
science help!!!!!!!!!
You are creating a carbon cycle poster. In which way would you draw the arrows to show the movement of carbon through the process of resperation? A.from the rock to the air B.from the rock to the grass C.from the air to the wolf D. From the wolf to the air
asked by butterfly 
Spanish
Sra. do my answers look correct? Querida Abby… Complete el párrafo abajo por escoger una palabra lógica de la lista siguiente para llenar los espacios en blanco. Querida Abby, Tengo un problema. No sé qué debo ___(1)____. Recientemente, mi novio ha
asked by Anna 
Math
sec 7pi/4 without a calculator Find the exact answer
asked by Randy 
p e
Which of the following is NOT a warning sign of depression that may lead to suicide? A. Being sad about your friend moving away 3 weeks ago B. A change in appetite for the last 3 months C. Difficulty concentrating this semester D. Quitting the 4H club
asked by somebody help i am new 
English
Sympathy by Paul Laurence Dunbar I KNOW what the caged bird feels, alas! When the sun is bright on the upland slopes; When the wind stirs soft through the springing grass, And the river flows like a stream of glass; When the first bird sings and the first
asked by Sarah(please check my answers) 
Math
A company's sales are seasonal with the peak in midDecember and the lowest point in midJune. The company makes $110000 in sales in December, and only $30000 in June. A) Find a trigonometric function, s=f(t) , representing sales at time t months after
asked by Sarah 
Physics
A target lies flat on the ground 4 m from the side of a building that is 10 m tall, as shown below. The acceleration of gravity is 10 m/s2 . Air resistance is negligible. A student rolls a 4 kg ball off the horizontal roof of the building in the direction
asked by Matt 
P.E. help please
True or false The primary location for digestion to occur is in the stomach. Is the answer true???
asked by butterfly 
Math Trig Please Help!!!
Find exact values for all the solutions to the equation cos theta = sqrt 3/2 for 2pi
asked by George 
Chemistry
1.Calculate the density of oxygen, O2, under each of the following conditions: STP 1.00 atm and 20.0 ∘C 2.To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 4.3L bulb, then filled it with the gas at
asked by LO 
physics
A steel ball of mass m=5 g is moving at a speed of 250 m/s toward a large mass M=2.2 kg which is connected to a relaxed spring, as shown below. When the ball reaches the large mass it collides and bounces off without losing any kinetic energy. The large
asked by joan 
chemistry
How do carboxylic acids and esters differ in chemical structure? Check all that may apply. Esters have a hydroxyl group. Esters have a carboxyl group. Esters have a carboxyl group and hydrogen linkage off the alpha carbon. Esters have a carboxyl group and
asked by Lauren 
physics
Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of
asked by Anonymous 
chemistry
8.00g of NaOH are dissolved in water to make 4.00L of solution. What is the concentration of hydronium ions, [H3O+], in this solution? Express your answer with the appropriate units.
asked by Anonymous 
social (fifth grade)
another name for the deck boys on columbus's fourth voyage
asked by Lakshmi 
AP CALC. AB
Please help me with this problem and please walk me through each step i am really confused. Sand is falling from a rectangular box container whose base measures 40 inches by 20 inches at a constant rate of 300 cubic inches per minute. a) how is the depth
asked by Rachel 
chemistry
How do carboxylic acids and esters differ in odor? Check all that apply. Esters smell sweeter, often fruity. Carboxylic acids have often not very pleasant smelling. Carboxylic acids smell sweeter, often fruity. Esters have often not very pleasant smelling.
asked by Lauren 
science help!!!!!!!!!
Carbon dioxide is obtained from the air and changed into carbohydrates and oxygen during the process of A. Fossilization B.resperation C.digestion D.photosynthesis Is the answer B?
asked by butterfly 
communication
What are the four principles of verbal communication?
asked by Dee365 
economics
Does Marx's essay help illuminate any of your own work experiences? Can you relate to his discussion? Why or why not? what if i don't have any work expericence could i just said that or is it talking about another work
asked by 2phoneeeeee 
Calculus (math)
A painting in an art gallery has height h and is hung so its lower edge is a distance d above the eye of an observer (as in the figure). How far from the wall should the observer stand to get the best view? (In other words, where should the observer stand
asked by mariel 
science help!!!!!!!!!
Which sequence of processes must occur for an atom of carbon to go from car to a tree? A.resperation, decomposition B. Combustion, photosynthesis C. Fossilization, decomposition D. Fossilization, photosynthesis Is the answer B?
asked by butterfly 
math help
Steve plants ten trees every three minutes. If he continues planting at the same rate, how long will it take him to plant 2500 trees? Express answer as a decimal in terms of hours.
asked by Rella 
physics
Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of
asked by Anonymous 
Calculus (math)
A boat leaves a dock at 2:00 P.M. and travels due south at a speed of 15 km/h. Another boat has been heading due east at 20 km/h and reaches the same dock at 3:00 P.M. How many minutes past 2:00 P.M. were the boats closest together?
asked by mariel 
Physics
block of mass 3.5 kg slides down frictionless incline that is 10 m long and inclined at angle of 37 when reaches bottom of incline it collides perfectly inelastically with another block of mass 2 kg then slides along a level floor if coefficient of
asked by Anonymous 
physics
Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of
asked by Anonymous 
chemistry
Which of the following is a feature of an aromatic compound? Which of the following is a feature of an aromatic compound? It has a strong aroma. Its formula contains only six carbon atoms. It contains a benzene ring. It contains only carboncarbon double
asked by Shatoya 
Physics Science
How many kilocalories of heat are required to melt 20.0 kg of ice at 0°C? Okay so the given is m=20.0kg Ti=0°C HeatFusionIce=80 kcal/kg
asked by Ben Green 
Physics
An object is formed by attaching a uniform, thin rod with a mass of mr = 6.54 kg and length L = 5.12 m to a uniform sphere with mass ms = 32.7 kg and radius R = 1.28 m. Note ms = 5mr and L = 4R. 1)What is the moment of inertia of the object about an axis
asked by stewart 
physics
Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of
asked by Anonymous 
physics
Calculate the escape velocity on the surface ov moon .Given the radius of moon=1.7×10(raise to power 6)m and mass of moon =7.35×10(raise to power 22)kg
asked by Brinder Singh 
chemistry
Which of the following compounds are organic? Check all that apply. SO2 CH3F C8H18O Cu(NH3)6Cl2
asked by Shatoya 
Physics
Power supplied to a particle of mass 2 Kg varies with time as p = 3t^2/2 watt. Here t is in seconds. If initial velocity = 0, find the velocity after 2s. Sorry for not proving my work. Frankly speaking I'm unable to solve any power questions. Any help
asked by Mercury 
Chemistry
What mass (in grams) of sodium chloride, NaCl, is needed to make 422. g of a 3.39%(m/m) NaCl solution? (atomic masses: Na = 22.99, Cl = 35.45)
asked by Brittany 
algebra and geometry
On a floor plan, a room measures 2 inches by 5 inches. If the scale is 1 inch =4 feet, what is the actual size of the room?
asked by teshena 
Physics Math
How many joules of heat need to be removed to condense 1.50 kg of steam at 100°C Specific Heat for steam is 2000 J/kg°C
asked by Ben Green 
preschool
Letting the _________set the limits is one of the approaches to preventing misbehavior. a. approach b.environment c. feedback d. guidance I chose bmy thinking is that the environment is an important part of managing any behavior.
asked by anonymos 
word problem math b
A rectangular field is 80 m long and 60 m wide. If fence posts are placed at the corners and are 10 m apart along the four sides of the field, how many posts are needed to completely fence the field?
asked by urisiseia 
Chemistry due soon
If the following reaction: NO(g) + 1/2O2(g) NO2(g) has the following enthalpy change: H° = 56 kJ/mol What is the enthalpy of the decomposition reaction of 2 moles of NO2? A. 112 kJ B. 56 kJ C. 56 kJ D. 112 kJ i think the answer is d
asked by Morgan 
physics
A tank contains 12.2 g of chlorine gas (Cl2) at a temperature of 84 °C and an absolute pressure of 5.60 × 105 Pa. The mass per mole of Cl2 is 70.9 g/mol. (a) Determine the volume of the tank. (b) Later, the temperature of the tank has dropped to 26 °C
asked by Amanda 
science Help 911!!
Carbon dioxide is obtained from the air and changed into carbohydrates and oxygen during the process of A. Fossilization B. Respiration C. Digestion D. Photosynthesis Is the answer D? Thanks
asked by Charm 
East and Southeast Asian
1. Which of the following cities is located on the most densely populated island of Indonesia? A. Manila B. Bangkok C. Jakarta D. Kuala Lumpur 2. Distinguishing unique patterns of biodiversity in eastern and western areas of Southeast Asia, the Wallace
asked by Buddhms 
Physics
A cannon is fired from the ground at an angle of 30 degrees. It is being shot an an initial velocity of 200m/s. What is the maximum height of the cannon ball? How fat will the cannon ball travel before it hits the ground
asked by James 
math again (last question help!!!)
three bookshelves contain a total of 35 books. The first and second shelves contain a total of 20 books. the second and third shelves contain a total of 28 books. how many books are on the second shelf then?
asked by Matew 
Science
What is the number of moles of HCl neutralized by .1 M NaOH. When NaOH has 14.24ml
asked by Kim 
Chem
In the reaction NH4Cl = NH3 + HCl, the equilibrium concentrations were found to be [NH3] = [HCl]=3.71 * 103M Calculate the value of the equilibrium constant?
asked by Leroy 
physics
A cannon fires a 0.598 kg shell with initial velocity 10 m/s in the direction 46◦ above the horizontal. The shell’s trajectory curves downward be cause of gravity, so at the time t = 0.53 s the shell is below the straight line by some verti cal
asked by Sean 
language arts HELP
Which of the following uses the indicative mood? A. I will feel flush after I get my very first paycheck for this job. B. I am going to be very wealthy when I receive my inheritance. C. If I were rich, I would get convertibles for us both. D. If I win the
asked by Charm 
reading
1.I usually don’t like to admit this, but at one time I disliked history. My teacher, Mr. Wittmeyer, was wonderful, and the material seemed interesting. When I listened to his lectures, however, I inevitably drifted off, got called on to answer, and had
asked by 2phoneeeeee 
Math
Which function could be the parent of y = 3x ? A)y = x B)y = 3x C)y = x3 D)y = 3 + x
asked by TeeKay 
anger management
did you ever confuse anger with aggression? please explain how.
asked by Anonymous 
Art History
Which of the following best describes the meaning of "upper" Paleolithic? A. The earliest part B. The latest part C. From Northern Europe D. The highest elevation I think it's D., but not sure.
asked by Pat 
Chemistry
A salt may be prepared by the reaction of one salt with another salt, particularly if one of the products is insoluble. In which one of the following reactions is this demonstrated? (NH4)2CO3 + K2SO4 \(>NH4)2SO4 + K2CO3 CuCl2 + 2 NH4NO3 \>Cu(NO3)2 + 2
asked by Anna 
English
1. He refused to help me. 2. He rejected to help me. 3. He dislikes to help me. 4. He refused helping me. 5. He rejected helping me. 6. He dislikes helping me.  Which expressions do we have to use? The verbs, reject and refuse take 'to
asked by rfvv 
English
1. We asked 100 students "What kind of exercise do you do?" 2. We asked 100 students "What kind of exercise do you take?" 3. We asked 100 students "What kinds of exercises do you do?" 4. We asked 100 students "What kinds of exercises do you take?"
asked by rfvv 
English
1. I don't wash my hands often. 2. I often don't wash my hands. 3. I don't often wash my hands. (Which one is grammatical?)
asked by rfvv 
BRAINMATH
BobPursley has 3 more brothers than sisters, how many more brothers than sisters does his sister mary have?
asked by brain MATH 
helpppppppp
Seven cats and 3 dogs weigh as much as 4 monkeys. One monkey weighs as much as 1 cat and 1 dog. How many cats weigh as much as 1 dog?
asked by Bobby 
Chem please help
If the following reaction: NO(g) + 1/2O2(g) NO2(g) has the following enthalpy change: H° = 56 kJ/mol What is the enthalpy of the decomposition reaction of 2 moles of NO2? A. 112 kJ B. 56 kJ C. 56 kJ D. 112 kJ i think the answer is d
asked by Morgan 
Physics
A pendulum consists of a 2.1 kg stone swinging on a 3.6 m string of negligible mass. The stone has a speed of 7.9 m/s when it passes its lowest point. (a) What is the speed when the string is at 60° to the vertical? (b) What is the greatest angle with the
asked by Jake 
Chemisty
How many litres of water at 100°C are vaporized by the addition of 5.00 MJ of heat
asked by Fred 
PreCalc/Trig
Use Descartes' rule of signs to describe the roots of the polynomial function. m(x)=x^3+3x^218x40
asked by Anonymous 
Math
How can you sketch the graph y = x  2 ? A)Translate the graph of y = x two units up. B)Translate the graph of y = x two units down. C)Translate the graph of y = x two units left. D) Translate the graph of y = x two units right.
asked by TeeKay 
Math
Sin theta = 1/4, what is sec theta?, tan theta? give exact answers for 0 less than or equal to theta less than equal to pi/2
asked by Saday 
chemistry
Give a structure to match the name for the following compound. 2pentanol
asked by Lauren 
L.A.Help!!!!!!
Which of the following uses the indicative mood? A.I will feel flush after I get my very first paycheck today. B.I am going to be very wealthy when I receive my inheritance. C. If I were rich, I would get convertibles for us both. D. If I win the lottery,
asked by Callie 
social
Ship Columbus will use on his fourth voyage :La
asked by Lakshmi 
Chemistry Physics
How many joules of heat need to be removed to condense 1.50 kg of steam at 100°C Specific Heat for steam is 2000 J/kg°C
asked by Ben Green 
physics
A box is put on a scale that is marked in units of mass and adjusted to read zero when the box is empty. A stream of marbles is then poured into the box from a height h = 6.93 m above its bottom at a rate of R = 128 (marbles per second). Each marble has
asked by freedom 
physics
A remotecontrolled toy car of mass 2.2 kg starts from rest at the origin at t = 0 and moves in the positive direction of an x axis. The net force on the car as a function of time is given by the figure. (a) What is the time rate of change of the momentum
asked by freedom 
Math Trig Help
sin theta = x/3, with theta in the first quadrant, find the expression for cos theta and tan theta. Answers will be in algebraic terms of x. Give exact answers with 0 < theta
asked by Leeroy 
Chemistry
Calculate the mass (in grams) of sugar, C12H22O11, in 142.4 mL of a 1.39 M solution of sugar. (atomic weights: C = 12.01, H = 1.008, O = 16.00)
asked by Nora 
math
Create an addition word problem and a subtraction word problem using fractions. Show how to find the solution to each problem. Once you find the solutions to your problems, rewrite the solutions as either a terminating or nonterminating decimal.
asked by math help asap 
math
James wishes to make a deposit. He has these bills: 16 ones, 5 fives, 5 tens, and 3 twenties. He has 4 nickels, 20 dimes, and 16 quarters. James has checks for $66 and $53.75. James wants to receive $50 in cash. What should he enter on the TOTAL line? $
asked by michelle 
chemistry
Give a structure to match the name for the following compound. isobutyl alcohol Express your answer as a condensed structural formula.
asked by Lauren 
Early Childhood Education
Studies show that early readers: A. watched educational television more than two hours a day. B. had access to a variety of reading material and watched educational television. C. knew all of the letters and sounds by age 2. D. were read fiction and
asked by Mary 
math
Olive bought a used snow blower for $120. He charges $10 to clear a driveway of snow. It costs him 500 in gasoline to clear a driveway. After Olvie clears 13 driveways he is finally $_____ ahead,
asked by Matew 
Math
How Does finding the square root of a number compare to finding the cube root of a number
asked by Camille Brown 
chemistry
What volume (in milliliters) of 0.496 M aqueous ammonia, NH3, could be made from 17.6 mL of concentrated aqueous ammonia (15.0 M)? (atomic masses: N = 14.01, H = 1.008)
asked by karen 
Organic Chemistry
I have a Lab assignment that requires the synthesis of carboxylic acid and our final product is Benzoic Acid. The following equation was provided: C7H8 + KMnO4 > MnO2 1) KMnO4, OH, heat 2) H3O+ We were asked to balance the equation including the
asked by Sal 
Preschool Creative Thinking and Arts Based Learnin
Supporting "possibility thinking" means teachers are encouraging children to: a. first solve problems and follow directions, then "think outside the box." b. not merely solve problems but find them, then pose "what if" questions in their minds. c. play
asked by Anonymous 
Science
Calculate the kinetic energy change in the water that occurs when 10,000lb/hr flow in a pipe that is reduced from a diameter of 2 in. to a diameter to 1 in.
asked by Lisa 
calculus
The Voltage v , Current I and Resistance R are related by the equation V=IR. Suppose that V is increasing at a rate of 2 volt/sec, while I is decreasing of the rate of 1/5 (amp/sec ). Let t denote time in seconds. Find the rate at which R is changing when
asked by Maria 
Chemistry
A salt may be prepared by the reaction of one salt with another salt, particularly if one of the products is insoluble. In which one of the following reactions is this demonstrated? (NH4)2CO3 + K2SO4 \>(NH4)2SO4 + K2CO3 CuCl2 + 2 NH4NO3 \> Cu(NO3)2 + 2
asked by Anna 
Science
What is cell
asked by Khadija 
Chem please help
What is the purpose of a calorimeter? A. To determine the temperature of a chemical reaction B. To determine the energy changes of a chemical reaction C. To identify the specific temperature of an unknown substance D. To measure the average kinetic energy
asked by Morgan 
Preschool Creative Thinking
The eclectic theoretical approach that most teachers use means that: a. the major development theories are used on different days of the week on a rotating basis. b. one major developmental theory is used for toddlers, another for preschool, another for
asked by Anonymous 
Algebra
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.3 x 10^2 um. Find the earthquake's magnitude. Round your answer to one decimal place.
asked by Paul 
ALakh narayan sing high school Ekma saran
Solve the Mathod of substitution 1/6(2x+3y)+x/3=8,1/2(7y3x)y=11
asked by priya sharma 
Physics
a (n) 1510 kg car is moving along a level road at 13.8 m/s. The driver accelerates and in the next 10s the engine provides 23400 J of additional energy. If 3900 J of this energy must be used to overcome friction, what is the final speed of the car?
asked by Lynn 
Math
theta = 16 pi / 5 How to find the reference angle in radians? Do i have to use degree to pi conversion?
asked by Sandy 
math
Bert is 5 years older than twice the age of mario. Nine years ago, the sum of their ages is 50. How old is each now?
asked by ella 
Preschool/Kindergarten
Which of the following is a reason why kindergarten was started in the United States? a. Kindergarten was designed to be affordable to most people. b. Kindergarten was designed to be universally available for all. c. Kindergarten was designed to make a
asked by anonymos 
Chemistry
Calculate the kinetic energy change in the water that occurs when 10,000lb/hr flow in a pipe that is reduced from a diameter of 2 in. to a diameter to 1 in. Any ideas on solving this? The answer is 2.7 lbf*ft.
asked by Xavier 
Math help
a cube has a volume of 125cm ^3. What is the area in cm^2 of one face of the cube? (^ = Exponent)
asked by Rella 
physic
Q: a model rocket was launched and measurements of its height and horizontal distances from the launched pad were taken as shown in the table horizontal distance from the launch pad/m : 0,1,2,3,4,5,6,7,8,9,10,11. vertical distance from the launch pad/m:
asked by Aya Muhammed 
CAL derivative
Find the derivative; y= x^3(5x1)^4 So this is my answer y'=2x(5x1)^3 + 10x + x(5x1) Please correct me if my answer is wrong.
asked by Henry 
math
A STORE OWNER PLANNED to raise the price of a Tshirt by 10%  he accidently labeled 10% though. The new price is what percent less than the raised price? Mixed number and omit the % sign.
asked by Matew 
Physics
calculate the escape velocity on the surface of earth, acceleration due to gravity will be 36 percent of its value on the surface of earth .if mean radius is 6400 km?
asked by Brinder Singh 
physics
A projectile is thrown from the top of a tower anf strikes the ground after 3sec at angle of 45° with horizontal . Find height of tower and speed with which the projectile was projected.
asked by Brinder Singh 
Physics help please
A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it with his hammer it is still at 200 C. he puts the iron piece in an 8 L bucket of water at 25 C. what is the final temp. of the
asked by Kimberly 
English
1. You would rather not drive this afternoon. 2. You had better not drive this afternoon.  Which expression is right? are both right? Then what is the difference between them? ==================== 3. You would rather stay at home than
asked by rfvv 
Health
Without ________, the human body would stop working. A. A kidney B. Movement of one’s limbs C. Tendons D. Blood A?
asked by Night 
physics
Find the displacement of the car after 5.9 s. Answer in units of m
asked by Anonymous 
Algebra
Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.50 * 10^5 watts cm^2 what is the db?
asked by Roger 
Chemistry
State the full electron configuration of a free nitrogen atom.
asked by Syndra 
Physics
A plane is flying horizontally with speed 251 m/s at a height 2180 m above the ground, a package is thrown downward from the plane with a vertical speed v1 = 80 m/s. What is the magnitude of the total velocity of the package at the moment it is thrown as
asked by Kyle 
Algebra
Can you solve these equation by completing the square 2x^2+7x4=0 3x^2x1=0
asked by Amy 
math
partb : a shopper brought four of the same shirt and paid 48$ after the 40% discount . what was the original price of one of the shirts
asked by znya 
physics
A coolant fluid has a latent heat of evaporation of 234 kj/kg . If the pump rate is 2250g per minute. How much thermal heat is removed each hour?
asked by Aliya 
Math
Felix used a scale factor of 1 inch = 2.5 feet to draw model of his backyard, as shown below. He is planning to build a fence around the yard. If the cost of the fence is $3.50 per foot, how much will it cost him to build the fence? Length 2.75in. width
asked by Jeffery 
Math Help!
tan (2theta + 8) = 0.489 theta = ? i'm on my last attempt to solve this problem on my hw. I tried subtracting 8 from 0.489 then trying to find the inverse but no luck.... I got 4.245 as one of my answers,0.7267, no luck so far :(
asked by Somi 
Math
Explain what each of the following expressions means. Evaluate each expression for x = 0.5. Some of these may be asking for inverse and not raising to exponent of 1. Enter the exact value for angles, and round any values to three decimal places. sin^1 x
asked by Randolph 
mathematics
Find the volume of a right circular cylinder whose area of Base is 1.7cm2 and the height is 0.1cm
asked by badal 
math
I can't understand rounding rules of numbers Can you simply explain it ?
asked by MAD 
Math
If a bank offers a rate of 4.5% compounded semiannually, how much should you deposit to accumulate 50,000 in 15 years
asked by Brianne 
Science
1. A balloonist drops an apple weighing 1.5 N over the side of the balloon's gondola. As it falls and increases speed, the drag force from the air upward on it increases. When the upward force is 0.7 N, what is the direction and magnitude of the net force
asked by May 
reading
Laurie swings idly on his hammock and spies the March girls walking out to a hill. There, the sisters sit working—knitting, sewing, drawing, and reading. Feeling left out, Laurie asks if he may join them. They admit him under the condition that he
asked by 2phoneeeeee 
History
Help! i have a project due on Marie Antoinette and need help!
asked by stormwalker 
Chemistry
what are the simplest molecules to synthesize a n,ndimethyl2methylpropanamine
asked by Lila 
math
How many revolutions will a 5" id x 5/8 id pulley on a electric motor shaft rotating at 1700 rpms.
asked by Rome 
Creative thinking in preschool
Creative thinking in children is like creative thinking in adults in that they both: a. have experiences that are complex, challenging, and creative. b, have intelligence that develops onto skill. c. lack inhibition when responding to external stimuli. d.
asked by GALEN 
Chem Help!
Describe how you would prepare tbutylnbutyl ether. assume you are working on a 1 M scale. what reagents would you use? What solvent? what reaction conditions?
asked by HELP 
PreschoolCreative Thinking and Arts Based Learnin
Read the book, but could not find this answer. Creative thinking in children is like creative thinking in adults in that they both: a. have experiences that are complex, challenging, and creative. b. have intelligence that develops into skill. c. lack
asked by GALEN 
algebra
would multiplying 3 negative integers always equal a positive integer?
asked by anon 
Math
cos x = 0.6 , 0
asked by Lester 
science
What would you need to know to determine the total amount of photosynthesis going on in the canopy and near the forest floor? Why?
asked by jack 
Signals & Systems
The suspension system of a car is modelled by the following differential equation: M*((d^2*y)/(d*t^2) + D*(dy/dt) + Ky( t ) = x( t ) where y(t) is the vertical position of the car body, x(t) is the external force coming from the ground acting on the car
asked by Tawana 
math please help me
64% of 75 tiles 2 doctors is ______ % of 25 doctors 360 kilometers is 24% of kilometers 80% of _______ games is 32 games 75% of ________ peaches is 15 peaches
asked by zagra 
corporate accounting
meaning of reserve capital
asked by adward 
Physics
block slides across table with initial speed of 8 m/s coefficient of friction between block and table is .5 and table is 4 m long and 1.2 m high determine how far the block lands from the base of the table
asked by Anonymous 
math
How do you find the answer to 35.5×18.76
asked by Anonymous 
Chemistry
Does the Hydrogen Bondings in ice form, break, and reform all the time, just like in water?
asked by John 
Physics
If rocket had been 10 m above the ground when its horizontal distance from the launchpad was 2m ,wheredo you think rocket would have landed
asked by amanii 
sentence structure
What is the subject and predicate of this sentence? "There are children waiting." Is it "children are waiting" or "there are"?
asked by Anonymous 
Derivatives
Find the derivative of the following questions; ³√2t/(t^24) Every thing is under the ³√ and the / is a fraction bar. My answer is y'= t(2t)^3 Can you check my answer please
asked by Honey 
fraction problem pecentage
2/5 is what percent of 4/7?
asked by factions 
Math Question
Laura was given two points (3,2) and (2,4) and was asked to create an equation that represents the line that passes through these points. Write two equations that she could use.
asked by Kalani 
physics
a school bus traveling along a straight road from school was found to be 2.0km North of the school 4minutes later. In another 4minutes it was 4km West of the school. Draw the position of the bus from school.
asked by Anonymous 
statistics
what is the weight between 5.5 to 6 ounce when mean is 5,75 ounce and standard deviation is 0.11
asked by Anonymous 
equation
a is 30% of b, b is what percent of a? Please write it in mixed number (answer)
asked by factions 
Physics help
an isolated container holding 5 kg of sulfuric acid is at 60 C. if 2.49x10^5 Joules of energy were transferred out of the acid, what would be the new temp. of the acid? show steps please!
asked by HELP 
ASTRONOMY
Good evening all, I am working on a PowerPoint presentation for my Astronomy class about planet Earth  my question is: What is Earth's brightest apparent magnitude (if it has one)? I have searched every reliable source I know of (and that I come across),
asked by Andy G 
physics
Static friction is smaller than kinetic friction because it is harder to keep an object than moving than to put it in motion.
asked by Anonymous 
Math
solve for 0
asked by Remo 
PreCalc/Trig
Help me please. List all possible rational zeros for the polynomial function. p(x)=3x^32x^25x2
asked by Anonymous 
Shakespeare
Why is Shakespeare’s work still worth reading?
asked by Sara 
Algebra
Let a and b be real numbers, where a
asked by Trish Goal 
Algebra
What are the coordinates of the points where the graphs of f(x)=x^3x^2+x+1 and g(x)=x^3+x^2+x1 intersect? Give your answer as a list of points separated by semicolons. (So "(1,3); (2,3); (5,7)" is a valid answer format.)
asked by Trish Goal 
multiplying integers
10^2 = i know the answer is 100, but can someone explain how you actually find the answer?
asked by please help 
chemistry
CH3C=CCH3 IS CLASSIFIED AS A) ALKANE B) ALKYNE C) AROMATIC COMPOUND D) HALOALKANE E) ALKENE
asked by Shatoya 
math
If you can earn a 4% average return on your investments, how much invested capital must you have to earn $53000.00 per year.
asked by cathy 
AKSUM MATHS
FIND A VECTOR EQUATION OF THE LINE THAT CONTAINS(1,3,0)& IS PARALLEL TO 2i3jk.
asked by BIRHANU 
Intermediate Algerbra
B=18.75+585.72 where t is the number of years since 1990. In what year will the monthly benefit B exceed 1050. Totally clueless I need help!
asked by Babydoll2007 
physics
the formula of centripital accelaration is v>2/r Q:Why here is square of speed ?
asked by Bilal 
Information and communication technology
please tell me new ideas regarding information and communication technology that have not yet used in daily life..
asked by edward 
information technology
please tell me a model for comunication
asked by kamal 
Help Please
Is a(bc)=(ab)(ac)
asked by Molly 
Science
The latent heat of fusion for metal is 246kj per kg. How much heat would be used by melting 10 tonnes of metal?
asked by Aliya 
English
The first sentence restate the question/prompt and give the answer to iy
asked by Granpa 
Elementary Math
X+(x+)+ (X+2)=3x+ 3 then anotgher student wrote (X1)+ X + (X+1)=3X which one is correct
asked by Edward P