Questions Asked on
November 27, 2015

math
A computer monitor is 20 inches wide. The aspect ratio, which is the ratio of the width of the screen to the height of the screen, is 16:9. What is the length diagonal of the screen, to the nearest whole inch.
asked by kudu 
math
The given cylindrical container r =3 inches and height= 8in is used to fill the rectangular prism fish tank 24 , 24 and 12 inches with water. What is the least number of full cylindrical needed to completely fill the fish tank?
asked by kudu 
Math
Ava pours 3 gallons of paint equally into 5 cans. How many gallons of paint will there be in each can?
asked by Austin 
Math
Landscape is designing a display of flowers for an area in a public park. The flower seeds will be planted at points lie on a circle that has a diameter of 8 feet. The point where seed is planted must be at least 2 feet away from seeds on the either side
asked by Kudu 
math
A carpenter is constructing a triangular roof for a storage shed as shown in the figure. Part A isosceles triangle = 15 degrees and 15 degrees length of bas is 45 How high will the peaks of the rise above in the top of the shed? b/2 = 22.5 tan(15) = h/22.5
asked by kudu 
math
Octagon PQRSTVWZ is a regular octagon with the center at point C. Which transformation will map octagon PQRSTVWZ onto itself?
asked by kudu 
Spanish lll
Use the imperfect tense Voy a describir la noche mas memorable de mi vida, de un Dia de las Brujas. Yo (estar/tener) nueve anos y me vesti de pirata. (Estar/Haber) muy orgullosa de mi disfraz. (Haber/HAcer) seis ninos en nuestro grupo. Queriamos salir
asked by Anonymous 
literature
You can often use literature in math, science and social studies to: A. entertain kids who finish their work. B. keep students quiet after a test. C. broaden the study of a topic. D. encourage kids to read nonfiction C ?
asked by bev 
science (I NEED BACKUP!!!)
1. Which is the most complete model of feeding relationships? a.) food web b.) food chain c.) food pyramid d.) all of the above 2. _____ eat consumers only, while _____ eat both consumers and producers. a.) Producers; carnivores b.) Carnivores; omnivores
asked by Emilia 
microeconomics
A beekeeper and a farmer with an apple orchard are neighbors. This is convenient for the orchard owner since the bees pollinate the apple trees: one beehive pollinates one acre of orchard. Unfortunately, there are not enough bees next door to pollinate the
asked by Alex 
Precalculus ????
The temperature in your house is controlled by a thermostat. The temperatures will vary according to the sinusoidal function: f(x)=5sin(pi/12)*(x11)+19 where f(x) represents the temperature in degrees Celsius (°C) and x is hours since midnight. What is
asked by Ella 
math
Triangle APQ is the image of ABC under a dilation centered at vertex A with scale factor ½. Triangle RBT is the image of ABC under a dilation centered at vertex B with scale factor ¾ . Which statement about ABC , APQ , and RBT is correct? none of the
asked by kudu 
Chemistry
calculate the molar solubility of BaCO3 in a 0.10M solution of NaCo3 (aq). (ksp(BaCO3)=8.1x10^9)
asked by Kia 
blue eagle high
maths lit,english.Lo,life science,geography,business studies I don't know what careers I should follow when doing these subjects...please help
asked by Lettie 
MATH
a washing line is attached at points A and B on two vertical posts standing horizontal ground. Point A is 2.1 meters above the ground on one post. Point Bis 7.1 meters above the ground on the other post. The horizontal distance between the two posts is 6
asked by DURAID 
Chemistry
what volume of oxygen at 423.0K and a pressure of 127.4kPa will be produced by the decomposition of 129.7g barium peroxide to form barium oxide and oxygen gas? Thank you
asked by Adam 
math
landscape is designing a display of flowers for an area in a public park. The flower seeds will be planted at points lie on a circle that has a diameter of 8 feet. The point where seed is planted must be at least 2 feet away from seeds on the either side
asked by jah 
Math
A cubical container measures 5 inches. On each edge. What does it cost to fill the container at $2.88 per cubin in.? formula for this help?
asked by kristine 
physics
a body of mass 5kg falls from a height of 10m above the ground. what is the kinetic energy of the body just before it strikes the ground answers K.E =1/2mg'2
asked by richie 
Trigonometry URGENT!
A group of scientists found a new species of spider in the desert. The body temperature of the spider appears to vary sinusoidal over time. A maximum body temperature of the spider reaches 125° after 15 minutes from the start of the examination. Then, 28
asked by Rachel F. 
Math calculus
The top and bottom margins of a poster are 8 cm and the side margins are each 8 cm. If the area of printed material on the poster is fixed at 382 square centimeters, find the dimensions of the poster with the smallest area?
asked by MArıam 
math
how to do this? In an island, a number of survivors have enough food to last for 5 days. After 2 days, 4 of the survivors died and the remaining food lasted for 5 more days. Find the original number of survivors...
asked by lin 
physics
a beam of electron 13.0 ev is used to bombard gaseous hydrogen. what series of wavelengths will be emitted?
asked by ameer mukhtar 
Organic Chemistry
What is the optical purity of a partially racemized product is the calculated specific rotation is 8◦ and the pure enantiomer has a specific rotation of 10◦? Calculate the percentage of each of the enantiomers in the partially racemized product. I'm
asked by nicole 
Kuwait university
What must be the pressure difference between the two ends of a 2.3 km section of pipe, 29 cm in diameter, if it is to transport oil (ρ=950kg/m3,η=0.20Pa⋅s) at a rate of 660 cm3/s ?
asked by wafaa 
Chemistry
A toothpaste contains 0.220 % by mass sodium fluoride used to prevent dental caries and 0.32 % by mass triclosan C12H7Cl3O2, an antigingivitis agent. One tube contains 119 g of toothpaste. How many fluoride ions, F−, are in the tube of toothpaste? How
asked by xyz 
Chemistry
In photosynthesis, glucose, C6H12O6, and O2 are produced from CO2 and H2O. Glucose from starches is the major fuel for the body. 6CO2(g)+6H2O(l)+680kcal⟶ C6H12O6(aq)+6O2(g) How much heat, in kilojoules, is needed to produce 22.5 g of C6H12O6?
asked by veen 
physics
A severely myopic patient has a far point of 5.00 cm. By how many diopters should the power of his eye be reduced in laser vision correction to obtain normal distant vision for him? Assume the image at the back of the eye is formed 0.2 m from the eye's
asked by carolyn 
Math
The air temperature decreases by about 1 degree Fahrenheit for each 300 feet of altitude. a) Find a function T(x) for the temperature at an altitude of x feet if the sealevel temperature is 45∘F. (b) Find T(1000). [Round to two decimals] I considered
asked by Rosie 
literature for kids
Picture books are usually written on a __________ reading level. A. kindergarten B. firstgrade C. thirdgrade D. fifthgrade A?
asked by bev 
math
The sum of all five terms of an arithmetic sequence is 55. Find the sum of the first three terms of the sequence if the sum of the last three is 48.
asked by asd 
Algebra 2
Simplify the number using the imaginary unit i. (sqrt)of 28 •2(sqrt)7 •2 (sqrt)7 •i (sqrt)28 •2i (sqrt)7
asked by Sandra 
think tac toe 2 adding and subracting decimals 2.
Tim tracked the change in outside temperature one afternoon. He record a temperature of 98.3 degrees at noon. Bathe temperature then rose 5.32 degrees f over the next four hours at 5:00 pm. Tim recorded a temperature change of 108.57 degrees F, How did the
asked by Cynthia 
Physics
Water enters a pipe with a cross sectional area of 3.0 cm^2 with a velocity of 3.0 m/s. The water encounters a constriction where its velocity is 15 m/s. What is the cross sectional area of the constricted portion of the pipe?
asked by Jose Luis 
math
A landscape is designing a display of flowers for an area in a public park. The flower seeds will be planted at points lie on a circle that has a diameter of 8 feet. The point where seed is planted must be at least 2 feet away from seeds on the either side
asked by jah 
Math
john who is 42 years old has a nephew age 9. In how many years will the age of his nephew be onefourth age?
asked by Evie 
literature for kids
Which is NOT a strategy aides or volunteers should use for shared reading? A. Read with expression. B. Read the story in its entirety without answering student questions. C. Read with fluency. D. Read with the appropriate volume. I think its B
asked by bev 
chemistry
500 calories are added to 100 gram copper at 25 degree celsius a.what will be the final temperature? b.if the same amount of heat was added to an equal amount of water,what would be the final temperature?
asked by jhanz 
Chemistry
how you would prepare 250 mL of 0.25 M NaOH from solid NaOH and water?
asked by Neishia 
Math
The table below represents the velocity of a car as a function of time: Time (hour) x Velocity (miles/hours) y 0 50 1 52 2 54 3 56 Part A: What is the yintercept of the function, and what does this tell you about the car? Part B: Calculate the average
asked by Adam 
Physics
A 0.60 kg mass is attached to a 0.6 m string and displaced at an angle of 15 degrees before it is released. 1)What is the potential energy of the pendulum? 2) What is the angular frequency of the pendulum? What is the height of its displacement? 4) What is
asked by Jose Luis 
English
1. He broke his legs, and he's in the hospital now. 2. He broke his legs, and he's in hospital now. 3. The boys are playing in the hospital. 4. The boys are playing in hospital. ======================== Which ones are correct? What is the difference
asked by rfvv 
Art history
presence suggested by the light in Leonardo da Vinci's paintings
asked by Anonymous 
Geography
Give a push and pull factor for each type of Migration Chain Migration Push factor? Pull Factor?
asked by Anonymous 
Math
What price should asha mark on a pair of shoes which cost him 1200 so as to gain 12%after allowing a discount of 16%
asked by Ashy 
Chemistry
Benadryl is an overthecounter drug used to treat allergy symptoms. The formula of benadryl is C17H21NO. How many moles of C are present in 0.759 mole of benadryl?
asked by tom 
literature
Sharing the names of the authors and illustrators allows children to see: A. that books are created by people. B. that books are real. C. that writing books can be a profession. D. that illustrating books can be a profession. I would think its A Having
asked by bev 
physics
On its highest power setting, a microwave oven increases the temperature of 0.400 kg of spaghetti by 45.0 °C in 120 s. The specific heat of spaghetti is 3760 J/kg °C and the microwaves are absorbed over a circular area 20.0 cm in diameter. What is the
asked by carolyn 
physics
If 0.055 kg of ice at 0 ∘C is added to 0.330 kg of water at 32 ∘C in a 0.100kg aluminum calorimeter cup, what is the final temperature of the water?
asked by noel 
math
a(n) ____ occurs during the design process when one benefit is given is given up in order to obtain another thanks
asked by please help me! 
literature
Literature supports the building of a readers’s imagination because: A. readers are placing themselves into a story. B. readers relate only to what they know. C. readers are presented with an unstructured picture of life. D. readers are seeing worlds
asked by bev 
Science
How much graphite carbon must be burned in oxygen gas to produce 2.2 grams of carbon dioxide gas
asked by Isaac 
Physics
A 0.60 kg mass is attached to a 0.6 m string and displaced at an angle of 15 degrees before it is released. 1)What is the potential energy of the pendulum? 2) What is the angular frequency of the pendulum? What is the height of its displacement? 4) What is
asked by Jose Luis 
Chemistry
A 0.200 g sample of carbon dioxide, CO2, has a volume of 525 mL and a pressure of 473 mmHg . What is the temperature of the gas in kelvins?
asked by joey 
College Physics
A 0.60 kg mass is attached to a 0.6 m string and displaced at an angle of 15 degrees before it is released. 1)What is the potential energy of the pendulum? 2) What is the angular frequency of the pendulum? What is the height of its displacement? 4) What is
asked by Jose Luis 
College Physics
A 0.60 kg mass is attached to a 0.6 m string and displaced at an angle of 15 degrees before it is released. 1)What is the potential energy of the pendulum? 2) What is the angular frequency of the pendulum? What is the height of its displacement? 4) What is
asked by Jose Luis 
Chemistry
For a Sc atom in ground electronic state: 1. how many electrons are there in 4s orbitals? 2. how many electrons are there in 3d orbitals? 3. how many electrons are there in 4p orbitals? 4. how many unpaired electrons are there? 5. to what block does Sc
asked by S 
Chemistry
Consider the 5p orbital of a hydrogen atom. 1. how many different 5p orbitals are there? 2. how many radial nodes are there? 3. how many angular nodes are there? (i.e. how many nodal planes or surfaces, not including radial nodes)
asked by S 
math
ART An artist is going to sell two sizes of prints at an art fair. The artist will change $20 for a small print and $45 for a large print. The artist would like to sell twice ad many small prints as large prints. The booth the artist is renting for the day
asked by yoselyn 
physics
A laser with a power output of 2 mW at a wavelength of 400 nm is projected onto a calcium metal surface. What power is carried away by the electrons? The binding energy of the metal is 2.31 eV.
asked by carolyn 
Geometry
Write a twocolumn proof. If point g is the centriod of triangle ABC and BG = 18. Find GE and BE. My work: ge is half so its 9. be equals 18 + 9 = 27 i need help on two column proof part
asked by Anthony 
Chemistry
What would the volume be of 0.955g of propane at 735 torr and 35.00C? And How many mols of xenon would be required to create a mixture with a mole fraction of xenon of 0.0190 if the mixture were also to contain 2.16mol argon and 3.612g neon? Thanks in
asked by Adam 
science
a body having a mass of 10kg is moving with velocity of 15m/s.calculate its momentum
asked by raph 
Math
A certain marine engine has cylinders that are 3.55 inches in diameter and 3.74 inches deep. Find the total volume of 4 cylinders? hard question is there formula
asked by kristine 
literature for kids
Which is NOT a benefit of sharing books to young children? A. It teaches children to learn to listen. B. It teaches children to attend or following along with the book. C. It teaches children how to be respectful. D. It teaches children to relate the book
asked by bev 
math
how to solve 1/1002/100+3/1004/100+....+99/1001?? and this?? 1/100+2/1003/100+4/100....99/100+1??
asked by Cara 
physic
Nora’s car is run out of gas and she noticed that a gas station is just 125 feet away the incline road. She decided to push the car up a 14 degree inclined with a force of 250 N to get to the gas station. Determine how much work is done pushing the car
asked by anis 
Science
I need to know what type(s) of research method this study used. In the study, participants were asked questions before and after receiving a treatment. The catch is that this study had no control group, so the results were gathered from comparing
asked by Anonymous 
Chemistry
How many joules are needed to change 163.34 g of water at 54.1 °C to steam at 100 °C?
asked by Miles 
Physics
A nonuniform cylinder (radius = 0.14 m, centerofmass rotational inertia = 2.21×10^2 kg·m^2, mass = 1.36 kg) starts from rest and rolls without slipping down a plane with an angle of inclination of 24.0 degrees. How long does it take to travel 1.72 m
asked by Skippy 
math
what is my number? Clue 1 My number is a perfect number. Clue 2 The only prime number in its prime factorization is 2. Clue 3 My number is a factor of 32. Clue 4 The sum of its digits is odd.
asked by Anonymous 
Chemistry
Water is a liquid at STP. Hydrogen sulfide, H2S, a heavier molecule, is a gas under the same conditions.Explain, using diagrams, why this is so.
asked by Neishia 
literature
Children under age six often mistakenly think that all stories are: A. real. B. pretend. C. fairy tales. D. meaningless. B ? Children as young as two recognize certain conventions of a story. They specifically recognized: A. plot and setting. B. a formal
asked by bev 
literature for kids
Mrs. Edwards read Owl Moon to her class. As she read, she paused from time to time to allow the children time to think about the story. She used a different voice for each character. When she finished, she asked questions that helped her students
asked by bev 
Physics
What is the difference between ElectroMotiveForce and PotentialDifference?
asked by Joe 
Chemistry
When CH3OH at its normal boiling point, does its entropy increase or decrease? Explain.  My opinion The entropy decreases because there is less order due to the less randomness of gas particles favoured when such an element is boiled not at normal boiling
asked by Liam 
geometry
 One cubic foot is approximately 7.5 gallons of water  A typical garden hose releases approximately 11 gallons of water per minute Total cubic feet is 2268. How long will it take to refill the pool?
asked by Kay 
jabu
the driver of a car travelling at 100km/hr suddenly sight an obstacle 50m ahead of him What maximum acceleration must be applied to the car by applying the brake in order to avoid hitting the obstacle
asked by omowumi 
Solving Trig Equations
Solve for x in the interval [pi,0] a) sin^2x = 3/4 I know that you have +root3/2 and root3/2 and the positive one gives you an error when doing the inverse of sin, but im confused about the root3/2. I found that one of the answers of x is pi/3 (60
asked by Mandy 
math
on September 30th I want to go to the movies and dinner with my friends. it will cost $25 for dinner and $15 for the movies my balance is $60 willi have enough to go ou
asked by jordan 
Geography
For Forced Migration I put a pull factor as security and for a push factor I put DIscrimination
asked by Anonymous 
Government
Explain the importance of selective incorporation
asked by Anonymous 
math
what is the remainder when 2^1000 is divided by 7??
asked by lin 
georgia o,keefe
how did joan didion creat an effective rortrait of georgia o,keefe as both woman and artist?
asked by Anonymous 
Integral Calculus
Integrate (tan^1 X)/(1+x²) dx please help, I don't know how to start this one
asked by ligas 
Math Algebra
The numerator of the fraction 5/12 is decreased b y 2% and the denominator is increased by 3%. What is the new fraction
asked by Dawne 
Calculus
How do you integrate (xr)^2 (1/r) (e^(x/r)) from the interval negative infinity to positive infinity?
asked by Christina 
Math (prob)
The probability of an outstanding student pass a biology test is 60%. If he takes three test,which are the experimental results for each test? Please, help me to understand.
asked by Bet 
Mathematics
Express the following limit as a definite integral. Show all the steps in your work. Lim as n approaches infinity of (3/n * (n)sigma(I=1) * (1+(3i/n))/(9+(1+(3i/n)^2)). I am utterly lost!
asked by Liam 
ap gov
What court cases have selectively incorporated the Bill of Rights?
asked by Anonymous 
math
how to solve for x? 5^x=(25^(2x1))(125^(42x))
asked by lin 
Integral Calculus
Integrate (tan^1 X)/(1+x²) dx please help, I don't know how to start this one
asked by ligas 
english
choose the correct verb for each sentence
asked by Anonymous 
Uttarpara Govt.High School,physical science
There is a solution of 50 gm Pb(NO3)2 & 75 ml boiled water.If the solution is taken to the temperature at 20°c then what quantity of Pb(NO3)2 will come out from the solution if the solubility of Pb(NO3)2 in water at 20°c is 54.
asked by Ayan Roy 
literature for kids
A skilled poetry reader emphasizes the meaning and __________ of the words. A. rhyme B. rhythm C. definition D. pronunciation I think its c , but not really sure Thank u!
asked by bev 
Chemistry
A concentrated H2SO4 solution is 10.5 M. You have to make 255 mL of 0.650 M solution. How would you prepare it?
asked by Neishia 
science
1. Compare the natural greenhouse effect with the humaninduced process.
asked by fate 
Calculus
How do you integrate (xr)^2 (1/r) (e^(x/r)) from the interval negative infinity to positive infinity?
asked by Sanaya 
math
how to do this?? 11/15=(1/a+(b/c+(d/e+f))) find a,b,c,d,e, and f??
asked by lin 
calculus
integrate (e^t + e^t)²
asked by ligas 
literature
Units of study can group books in all of the following ways EXCEPT: A. by copyright dates. B. by similar content. C. by author. D. by illustrator. D?
asked by bev 
Geography
Push factors for Chain Miration and Forced Migration?
asked by Anonymous 
Business math
Bill Moore is buying a used Winnebago. His April monthly interest at 7.50% was $37.50. What was Bill’s principal balance at the beginning of April? (Use 360 days a year. Do not round intermediate calculations.)
asked by LaDonna 
Government
Why is the 14th amendment used by many groups that claim that they are victims of discrimination?
asked by Anonymous 
Chemistry
The population ratio between two energy levels separated by 1.4 ✕ 10−22 J is 0.69. What is the temperature of the system?
asked by Anonymous 
calculus
integrate (e^t + e^t)²
asked by ligas 
trigonometry
draw a triangle that maps their route. label the lengths and angles. is hjb a right triangle? no. draw a height, h, from H to point X on bj. what kind of triangles are HXJ and HXB?
asked by bonnie 
algebra
are the expressions 8x^2 + 3(x^2 + y) and 7x^2 + 7y + 4x^2  4y equivalent?
asked by samima 
science
an object is placed 10 cm in front of a plane mirror. where is the image formed ?how far is it from the mirror
asked by Anonymous 
science
I did a physics experiment and now i need help with the matlab fit. can someone tell me how to do this fit in matlab? a1*[sin(a2(xa3))/(a2(xa3)]^2*[cos(a4(xa3))]^2 i have a program that fits a graph to a function i just ask how to write this function.
asked by henry 
Geography
is intervening opportunity a type of migration
asked by Anonymous 
Tamae
5%of 220 files
asked by Anderay