# Posts by KAYLA

Total # Posts: 1,592

science
I need the definition of an observation that use color, shape, texture, smell, taste

History!!!!

Social studies
Which of the following be explains why a species of lizards is able to live in the desert but not in a tundra regions?

Chemistry
1 l of NH3

Math

Science
For lunch, Jane Doe consumed the following: a turkey sandwich on whole wheat bread with mayonnaise, lettuce, and tomato; potato chips; and apple juice. 1.Trace the path of digestion through Jane from beginning to end. Include the nutrients the food contained and are broken ...

algebra
Sophie bought a total of 27 guppies and angel fish. She bought twice as many guppies as angel fish. How many of each kind of fish did Sophie purchase?

Applied Physics
When a 3600 lb automobile runs out of gas, it is pushed by its unhappy driver and a friend a quarter of a mile (0.250 mi). To keep the car rolling, they must exert a constant force of 175 lb. (a.) How much work do they do? (b.) If it takes them 15 minutes, how much power do ...

Math
8

Math
m

algebra 1
The length of the base of a isosceles triangle is one forth the length of one of its legs. If the premimeter of the triangle is 16 inches, what is the length of the base.

ALGEBRA 1
You practice playing your guitar every day. You spend 15 minutes practicing chords and the rest of the time practicing a new song. So the total number of minutes y you practice for the week is given by y=7(15+x), where x is the number of minutes you spend on practicing a new ...

Algebra 1
Tall Buildings You made a model of the Space Needle in Seattle, Washington, for a report on architecture in the United States. You used a scale of 1 in.:50 ft. Your model is 12.1 inches tall. Estimate the actual height of the Space Needle. Is it 605

Algebra 1

What is 59,424.77 rounded to the nearest square mile

Sociology
D) children raised in isolation

Chemistry
In a reaction between pure acetic acid and sodium bicarbonate, 14.7 grams of sodium bicarbonate was added to 21.0 mL of acetic acid. Which reactant is the limiting reactant in this reaction? Name of limiting reactant (acetic acid or sodium bicarbonate): How many moles of the ...

math
Tuna

Geography
How are natural resources related to a country's economy?

Biology
I just did the quiz, 1.A 2.D 3.C 4.C 5.D

French
The question is: Remplace par un pronom: Est-ce qu'ils prendront beaucoup de temps? No part of the sentence is highlighted or bolded, and I honestly have no idea where to even start. Any help would be greatly appreciated. Thank you!

science
The pilot of an airplane traveling 180km/h wants to drop supplies to flood victims isolated on a patch of land 160m below. The supplies should be dropped how many seconds before the plane is directly overhead?

math
gbjgv

math
what is the answer to 7 8/15-2 2/6

com
A word's denotation is its ________

Chemistry
Which of the following statements is incorrect concerning the thermochemical equation below? 2SO3(g)  2SO2(g) + O2(g); H° = 198 kJ a. The enthalpy of the reactants exceeds that of the products. b. The reaction is endothermic. c. For the reaction 2SO2(g) + ...

Chemistry
H2 and F2 react according to the following equation, forming HF. H2(g) + F2(g)  2HF(g); H° = –271 kJ If H2(g) and F2(g) were mixed in a thermally insulated vessel, the reaction that occurred would be a. endothermic, and the temperature of the reaction ...

Chemistry
Bulb A is 100mL and contains Helium at 1atm. Bulb B is 500ml and contains Argon at 2atm The bulbs are connected together by a valve. (assume constant tempreature). What is the mole fraction of Argon in the opened system?

Chemistry
Would the total pressure be 2.19985 atm? Could you possibly help me with this one?

Chemistry
Bulb A is 100mL and contains Helium at 1atm. Bulb B is 500ml and contains Argon at 2atm The bulbs are connected together by a valve. (assume constant temperature). What is the total pressure of the system after the valves are opened?

physics
What is the electric field intensity produced by a charge at 10 meters, where the electric potential is 1.44 volts?

Physics
A disk in your computer spins at 5400 rpm. If this disk turns through 12 revolutions before coming to stop, find the disks angular velocity acceleration. Also find the time it takes to stop.

physics
How will changing charge change the equipotential at a distance of 2 meters? I honestly just don't even know where to start with this. If someone could at least point me in the right direction, that would be great!

trig

tenses
Third person plural. " the muffins are fresh. THEY(3rd person plural) were made an hour ago."

Science
How do i calculate this? 5 ml of 0.1% (w/v) AgNO3 2 L of 1% (w/v) NaCl

science
it stores food.

math
Vance wants to fence in a rectangular area for his dog. He wants the length of the rectangle to be at least 30 feet and the perimeter to be no more than 150 feet.

Math
Tony wants to plant at least 40 acres of corn and at least 50 acres of soybeans. He wants no more than 200 acres of corn and soybeans. Show and describe all the possible combination's of the number of acres of corn and of soybeans Tony could plant. List two possible ...

Math
Linda works at a pharmacy for \$15 an hour. She also babysits for \$10 an hour. Linda needs to earn at least \$90 per week, but she does not want to work more than 20 hours per week. Show and describe the number of hours Linda could work at each job to meet her goals. List two ...

stats
The percent of fat calories that a person that in America consumes each day is normallydistributed with a mean of 36 and a standard deviation of 10. Suppose that 16 individuals are randomly chosen for an experiment. 1. Completely describe the distribution of sample means for ...

Stats
1. If you were to receive \$3 for every time a 7 or 11 was rolled with two fair dice and lost \$1 for all the ther values, what is the expected value (mean) for you as a gambler in this experiment? (please show work so I know how to do it). 2. Going with the question above, ...

Right angle trigonometry
A sailor sights both the bottom and top of a lighthouse that is 20 and m high and which stands on the edge of a cliff. The two angles of elevation are 3 and 42. To the nearest meter, how far is the boat from the cliff?

i can't figure out this problem 12 and 1/2 as a percentage... i need help

Math
Roulette is a well known game in which a mechanical device randomly selects one of 38 equally likely numbers. IF a player decides to play by choosing a number, he gains \$35 if his number is selected by the device. If any other number is selceted he loses \$1. Calculate the ...

Math
if the last digit of a weight measurement is equally likely to be any of the digits 0 through to 9.what is the probability that the last digit is greater than or equal to 5 ?

math ALG 2!
The scientific notation 3.14 x 10 -3 has what value

POLITICAL SCIENCE
describe the European origins of American conservative and liberal ideologies. Then, explain how these two American ideologies have evolved from their European origins, and the key features of each American ideology today. Do “Tea Party” beliefs neatly fit in a ...

AP Chemistry
What mass in grams of sodium hydroxide is produced if 20.0 g of sodium metal reacts with excess water according to the chemical equation? 2Na(s)+2H20(l)=2NaOH(aq)+Hs(g) How many moles of Ag can be produced if 350. g of Cu are reacted with excess AgNO3 according to the ...

Math
67

Science
How do you do a Leg table in science?

1. This one is ok. 2. The coffe cups should be divided by 8. If you were to make a drink for the club you would certainly have a drink. The answer is 30/8= 3.75; then you would multiply 8 * 3= 24; then you would subtract 30-24 you you would have 6 cups left.

Lang. Arts
Ther is non. B. is an interrupter.

Math
Graph 4x2 + y2 = 9. What are its lines of symmetry?

Psychology
Nothing. Some kids will choose not to let Mom or dad read to them. Some may take the opportunity and run with it. Reading to them does give them a better chance, but not a garnented chance of being able to read faster. The point is if you just read it's a story, but if you...

Physics
A 200-pound boy lifts a 40-kilogram box off of the floor 1.3 meters in 0.7 seconds. His brother lifts a 48-kilogram box off the floor 0.9 meters in 0.6 seconds. Which boy is more powerful? Explain.

science
a river does 6500J of work on a water wheel every second.The wheels efficiency is 12 percent.A)How much work in joules can the axle of the wheel do in a second? B)What is the power output of the wheel?

fractions
Adam can make the common denominator 12 because 6 and 3 go into it evenly. Then do 1/6x2=2/12 then you do 1/3x4=4/12!!!

algebra
(x^2)/25 - (y^2)/11 = 1

physics
oh no sorry nevermind it would be 2:1.. got it. Thanks man

physics
so is it a 1:2 ratio then? I have the options of 1:2 , 2:1, 1:3, and 3:1 on my homework. thanks for answering

physics
A proton and an electron enter perpendicular to the direction of the magnetic field. The speed of the proton is twice the speed of the electron. What is the ratio of the force experienced by the proton to the electron?

physics
Can someone please explain to me why or how this statement is true? I don't understand it.. Two events that are simultaneous in one inertial frame of reference will not necessarily be simultaneous in any other inertial frame of reference. Thank you

physics
ultra violet light

Statistics
If the probability of a newborn child being female is 0.5, find the probability that in 100 births, 55 or more will be female. Use the normal distribution to approximate the binomial distribution.

west chester university
A ball is thrown vertically upward, which is the positive direction. A little later it returns to its point of release. The ball is in the air for a total time of 8.26 s. What is its initial velocity? Neglect air resistance.

math
Carlos will use square floor tile that measure one foot on each side to cover a hallway that is eight feet long and four feet wide.how many floor tile will carlos need

Science
In lab the other day we did an acid/base extraction to separate mixtures. The top layer of the mixture is the organic layer, which consists of diethyl ether and fluorine. The bottom layer is considered to be the aqueous layer, which consists of water and benzoate anion. The ...

physics
Bert is standing on a ladder picking apples in his father's orchard. As he pulls each apple off the tree, he tosses it into a basket that sits on the ground 2.5 m below at a horizontal distance of 1.9 m from Bert. How fast must Bert throw the apples (horizontally) in order...

geometry
The price is\$23

algebra
CA? me too :) b careful what u post and make sure u don't put ur name bc getting caught will lead to an automatic 0 on the quiz

math
Write a sequence of transformations that maps triangle ABC onto triangle A''B''C''. --------------------------------------… A in ABC is 1,9, B in ABC is 3,12, and C in ABC is 4,4. A'' in A''B''C'' is 3,-3, B''...

Chemistry
Adding 1.530x10^3 J of electrical energy to a constant-pressure calorimeter changes the water temperature from 20.50C to 21.85C. When 1.75g of a solid salt is dissolved in the water, the temperature falls from 21.85C to 21.44C. Find the value of qp for the solution process.

Physics
A hotair balloonist, rising vertically with a constant speed of 5.00 m/s, releases a sadndbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. a. compute the position and velocity of the sandbag at ....

Physics
A hotair balloonist, rising vertically with a constant speed of 5.00 m/s, releases a sadndbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. a. compute the position and velocity of the sandbag at ....

Physics
Okay. Thank you for your help

Physics
During 200 meter and 400 meter races, runners must stay in lanes as they go around a curved part of the track. If runners in two different lanes have exactly the same speed, will they also have exactly the same centripetal acceleration as they go around a curve? Explain.

Chemistry
How many types of stoichiometry are there? Can you list them? Thanks I appreciate it!

Chemistry
A sample of gas occupies 24.5 L at a pressure of 1.57 atm; what is the pressure if the volume is increased to 48.3 L?

QUESTION
can you please describe the chinese new year? and how its celebrated?

living enviornment
What structure is involved in carrying out each of the following life activities in the paramecium: A.INGESTION- B.DIGESTION- C.TRANSPORT- D.EXCRETION- E.WATER BALANCE- F.LOCOMOTION- G.REPRODUCTION- PLEASE HELP ME OUT

Pre algebra
5.4=y-1.5.+2.3

Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the x-axis.

Biology
I need to answer the question Describe a series of small habitats that exist within 10 to 20 kilometers of your house and which might be subject to MacArthur and Wilson's theory of island biogeography. How do I know what small habitats exist around my house? I live with in...

Physics
A pendulum with a length of 2.0 m has a period of 2.8 sec. What is the period of a pendulum with a length of 8.0 m?

ECE
It is A. If you do not establish a plan of discipline then you job is pointless.

calculus
thank you!

calculus
Use left endpoints and 9 rectangles to find the approximation of the area of the region between the graph of the function cos2x and the x-axis over the interval [0, pi/2] . Round your answer to four decimal places.

algebra
a large group of students want to go to the movies. if the students take 3 vans and 1 car they can transport 22 people. if they take 2 vans and 4 cars. they can transport 28 people.write and solve a system of equations to find the number of people that can be transported in a ...

Algebra
domain is 4

Physics
A 155 N force is applied to the end of a 40 cm wrench at a angle of 45 degrees to the handle. What is the torque?

Math
-6(7x-1)<-8x+9(3x-4)

Thank you so much!

How should I start of a one page written assignment on the marketing failure of a company? What should the first paragraph include?

Thank you so much! Does RIM count as a market failure? Like.. its close to one I think.

What corporation/company recently had a market failure in 2012.. at least from September to now? I need one for my assignment, but can't think of find any.

Math
The depreciation rate, r, for a \$50,000 news car is given by the function r = 1 - (V/50,000)^(1/5), where V is the value of the car when it is five years old. a) What is the depreciation rate for a \$50,000 BMW that is worth \$28,000 after 5 years? (I already found the answer to...

math- unit rate
what is the unit rate for 18:1.25

algebra
the polynomial that passes through the points of (7,13) (11,-12)(0,5)