Questions Asked on
January 8, 2013

biology
16. In one stage of it's life cycle, the slime mold flows like a(n) a. paramecium. b. euglena. c. diatom. d. amoeba.
asked by Please&ThankYou 
Biology
these are some of the questions that i couldn't find the answers in the book. :( 17.The relationship between a fungus and a green organism is an example of a. neighbors. b. mutualism. c. parasitism. d. saprophytes.
asked by Please&ThankYou 
Biology
28. Malaria is caused by a a. sporozoan. b. diatom. c. dinoflagellate. d. fungus.
asked by Please&ThankYou 
Biology
34. The _____ has a cell covering made of two parts. a. diatom b. dinoflagellate c. euglena
asked by Please&ThankYou 
science
shale gas is a conventional natural gas deposit
asked by A 
math
find the domain of composite function fog f(x)=x/x4; g(x)= 1/x please show work
asked by anonymous 
Biology
12. A main difference between fungi and plants is that fungi a. have cell walls. b. produce spores. c. cannot make food. d. all of the above.
asked by Please&ThankYou 
Geography
The waters surrounding Japan and the nearby ocean currents help to make Japan's climate mostly what?
asked by Chris 
science
At what angle of incidence does refraction stop and reflection begin?
asked by Cherie 
Sabian
If air resistance offered to the motion of a projectile by the surrounding air is taken in account i,is time of flight increase or decrease?why? ii,hmax >> >> >> iii,the range >> >> >> iv,the striking angle >> >> >>
asked by Tsedeke 
pre algebra
Ellen buys 6 more paperbacks than hard covers. Paperbacks cost $8 each and hard covers cost $15 each. If Ellen spends a total of $117 on the books, how many of each type does she buy? Give a complete algebraic solution, using the distributive property.
asked by beth 
Physics
A 492g oscillator has a speed of 99.5cm/s when its displacement is 3.60cm and 72.5cm/s when its displacement is 5.10cm . What is the oscillator's maximum speed? (units cm/s)
asked by Amy 
Math
Prove 1+sec2x / tan2x = cotx
asked by Blake 
math
6(x+5)y(x+5)
asked by lorrie 
AP Physics
Momentum One of those Civil War cannons is fired. The Cannon has a mass of 873kg It fires a 35.0kg cannon ball at a velocity of 145 m/s at an elevation angle of 35.0 degrees. The length of the barrel is 2.10m. (a) What is the recoil velocity of the
asked by Daisy 
maths
For an A.P. sum of 2n terms = 3* sum of n terms then sum of 3n terms : sum of n terms = ?
asked by Anonymous 
Math
Number Sense How can you use 4 x 7 to find 8 x 7? Find the product.
asked by Katie 
Trigonometry
Prove 1cosx+sinx / 1+cosx+sinx =tan x/2
asked by Riley 
Information Technology (2 Qs)
1) Order the following components in order of their speed starting from the fastest, and ending with the slowest: CD, Random Access Memory (RAM), Tape, Cache. 2) A computer system may have an extremely fast process, and extremely fast memory, yet the
asked by nutz 
EnglishNative speakers
Can someone please make this sentence more "English"? THE ROLE OF ILLUSTRATIONS IN CHILDREN'S BOOKS WRITTEN BY GERMAN WRITERS AND RELEASED AFTER 1950. This is supposed to be the title
asked by mark 
math
4y x 4y
asked by Anonymous 
math
solve the equation. log2(x+4)log4x=2 please show work
asked by anonymous 
math
find functions of f and g so that fog = H h(x)=(3x+2)^6 please show work
asked by anonymous 
trig
how to solve for the value of sine and cosine function of 0,90,180 and 270 degrees?
asked by au 
trig
use pythagorean theorem to solve for the value of x and y of a 606060 degrees.
asked by au 
trig
solve for the value of sine and cosine function of 60 degrees.
asked by au 
trig
solve for the value of sine and cosine function of 60 degrees.
asked by au 
math
describe the solutions of 4
asked by es 
chem
Balance the following equation by entering the correct coefficients. NaHCO3 > Na2CO3 + H2O + CO2
asked by will.i.am 
Math
5. Julian read 55 pages of a book in 2 days. At this rate, how many pages can he read in 7 days?
asked by Sumare 
Calc
A rock is thrown upwards (vertically) from the ground with an initial velocity of 40 feet per second. If acceleration due to gravity is 10 feet per second squared, how high will the rock go?
asked by Joe 
chemistry
balance H2SO4 + NaOH > H2O + Na2SO4
asked by will.i.am 
science
When scientists use one of their five senses to gather information, they are?
asked by tyler 
arithmetic progression
If sum of first 21 terms of an arithmetic progression is 13 and that of first 13 terms is 21, show that sum of first 34 terms is 34 ?
asked by Bishnu 
American democracy
what is the congressional lawmaking process biased toward
asked by donna 
Algebra 2
Solve by completing the square 3x(sqaured)  8x  6 = 0. Is it 4  the square root of 34 / 3 and 4 + the square root of 34 / 3?
asked by Lily 
maths
A monkey ascends a greased pole 30 m. high. He ascends 3 m. in Ist minute and descends 1m. in the next minute, again ascends 3m. in 3rd minute, but descends 1m. in 4th min and so on. In what time he reached the top?
asked by Anonymous 
algebra
Archers need to use arrows that do not bend easily. The table shows how the weight of an arrow affects its spine or the distance the center of the arrow bends when a certain constant weight is attached. Graph the data in the table to find a linear and
asked by lee 
maths
A and B together can do a piece of work in 12 days; B and C together can do it in 15 days. If A is twice as good a workman as C, in how many days A alone will do the same work
asked by Anonymous 
Will somebody help me please?
1. Diarrhea can be caused by a change in diet and different minerals in the water. True False 2. Fusion produces less radioactivity than fission. True False 3. Wise travelers eat only cooked vegetables in underdeveloped areas. True False 4. The kilogram is
asked by Morgan Stevenson 
Art
"What is Goya's style of painting? Is he part of a larger art movement?"
asked by RainbowDragon 
art
this is one photographic process used in the mid1800s
asked by pistol 
math
100 raffle tickets are sold for $3 with one grand prize of $200. Julie purchased one ticket. What is her expectation? What is the fair value of a ticket?
asked by tony 
General Question
How do I remove an old question I asked from this site? I need it to be removed because of privacy issues.
asked by Anonymous 
chemistry
balance H2SO4 + NaOH > H2O + Na2SO4 so i know you need 2 Na on each side but then I cant figure out the #'s for O or H
asked by will.i.am 
chemistry
so I don't expect you to answer all of these I just don't understand how they work so if someone could just explain one or two so I can do the rest that would be helpful! Thanks! Use the activity series to predict whether the following reaction will occur.
asked by will.i.am 
world history
25. In 49 B.C., Julius Caesar began a civil war by a. crossing the Alps with troops and elephants. b. adopting the Julian calendar. c. leading his troops across the Rubicon River. d. driving Pompey out of Italy.
asked by Please&ThankYou 
world history
23. By the A.D. 200s, the jus gentium became unnecessary because a. most free males ion the provinces had been made citizens of Rome. b. Marcus Aurelius had rescinded the jus civile. c. Hadrian had strengthened Rome's fortifications. d. provincial
asked by Please&ThankYou 
Physics,
A block of mass 0.25 kg is connected to a spring with spring constant 35 N/m. The block is oscillating on a frictionless horizontal surface. Its speed as it passes through its equilibrium position is 1.04 m/s. What's the total energy of the system?
asked by Oly 
FIN 370
What is the future value of $1000 in an account for 9 years compounded bi monthly at 14%
asked by Ashley 
Physics
A 0.46 kg mass oscillates in simple harmonic motion on a spring that has a spring constant of 2080 N/m. The spring was initially compressed 9.4 cm (a negative displacement) at t = 0 s. What's the velocity in m/s of the mass at t = 0.24 s?
asked by Crash 
math
(parent). My son's problem says "the product of a number and 17"...supposed to write as expression... I'm thinking it would be a 17x=y but he's adamant that because the word "and" is in the sentence that he needs to add something as well.... (no math books
asked by Kelly 
world history
18. Diocletian issued the Edict of Prices in an attempt to a. raise wages among the Roman poor. b. encourage farmers to leave provincial farms. c. control severe inflation. d. please the merchant class.
asked by Please&ThankYou 
world history
16. After the death of Theodosius, the eastern part of the Roman Empire became known as the a. Ottoman Empire. b. Byzantine Empire. c. Visigoth Empire. d. Christian Empire.
asked by Please&ThankYou 
science, physics
A block of mass 0.25 kg is connected to a spring with spring constant 35 N/m. The block is oscillating on a frictionless horizontal surface. Its speed as it passes through its equilibrium position is 1.04 m/s. What's the total energy of the system?
asked by Chase 
MATH
1/6 + x > 1/2 What does the value of X have to be, to make this sentence true?
asked by KENZI 
world history
1. The representatives of the plebeians were called a. consuls. b. senators. c. tribunes. d. praetors.
asked by Please&ThankYou 
world history
2. Christians stirred Roman opposition in all of the following ways EXCEPT by a. refusing to honor the emperor as a god. b. refusing to serve in the military. c. rejecting Roman belief in a messiah. d. regarding their religion as the only true faith.
asked by Please&ThankYou 
cultural diversity
which one of the following statements best expresses the strategy of semantic extension?
asked by Anonymous 
statistics
100 raffle tickets are sold for $3 with one grand prize of $200. Julie purchased one ticket. What is her expectation?
asked by please help 
Math
Bottom part of the greenhouse has a length of 350cm a width of 220cm and a height of 250cm. The angle at the peak of the roof measures 90 degrees. Sketch the frame and label it with its actual dimensions. How do I calculate the actual demensions?
asked by Anonymous 
Physics, waves
A string vibrates in its fundamental mode with a frequency of 200 Hz. The string is 0.64 m long and has a mass of 1.61 g. With what tension must the string be stretched?
asked by Sav 
Physics, science
A sonar generator on a ship produces periodic ultrasonic waves at a frequency of 2.2 MHz. The wavelength of the waves in seawater is 5.3104 m. When the generator is directed downward, an echo is received 15.2 s later. How deep is the ocean in m?
asked by Sav 
Social Studies
3. Roman generals improved on Greek military tactics by employing a. the phalanx system. b. larger, more powerful divisions of troops. c. smaller, more mobile divisions of troops. d. a tolerant attitude toward deserters, which boosted morale.
asked by Please&ThankYou 
Physics
A 492g oscillator has a speed of 99.5 cm/s when its displacement is 3.60 cm and 72.5 cm/s when its displacement is 5.10 cm. What is the oscillator's maximum speed? I'm suck with this problem, can someone please go through it with me step by step, please
asked by James 
Geography
What is the capital of the landlocked country that borders Russia to the north and China to the south. Also, is this correct? Eastern Brazil has a higher elevation that western Brazil. Thanks!
asked by Morgan 
chemistry
Calculate the enthalpy of reaction for the combustion of ethene. Express the enthalpy of reaction calculated in question above as a molar enthalpy of reaction per mole of carbon dioxide.
asked by shyanne 
Math
I want to open a savings account that earns 1.6% simple interest yearly. I want to earn exactly $288 in interest after 3 years. How much money should I deposit?
asked by Liz 
math
In a candy bar, 165 calories are from sugar. There are 250 calories in the candy bar. What percent of the calories are from sugar?
asked by Anonymous 
math
What is the scale factor is a 8.9 m object appears as 6.5c, in a picture?
asked by Anonymous 
rearrange this equation
Rearrange to make f the subject, showing your work step by step: hf = hcT / b
asked by AK 
world history
42. During the Pax Romana, Romans did all of the following EXCEPT a. build the Colosseum and Circus Maximus. b. trade with places as distant as China and Britain. c. build a series of stone water channels called aqueducts. d. adopt a new calendar based on
asked by Please&ThankYou 
chemistry
How many grams of oxygen are needed to burn 22.8 grams of C8H18? 80.0 g 240. g 40.0 g 20.0 g 120. g
asked by guest 
math
A new law requires that 15 of an individual’s income be invested in the stock market. Your accounts show that you need to put $435 in the stock market this year. How much did you earn this year? (1 point) $2,955.00 $2,900.00 $2,905.00 $2,889.50
asked by Anonymous 
math
In a triangle, the measure of the second angle is twice the measure of the first angle. The third angle is equal to the sum of the other angles.
asked by Anonymous 
science
water in gas form is called
asked by paula 
mathTiling a room
How much does it cost to tile a room that is 420 sqft if the tiles used are 1 foot on a side and cost $0.95?
asked by tony 
Physics
A lawn roller is pushed across a lawn by a force of 119 N along the direction of the handle, which is 22.5° above the horizontal. If 65.7 W of power is developed for 90.0 s, what distance is the roller pushed?
asked by Anonymous 
chem
You have two flasks of equal volume. Flask A contains H2 at 0°C and 1 atm pressure. Flask B contains CO2 gas at 0°C and 2 atm pressure. Compare these two gases with respect to each of the following mass of gas (Flask A:Flask B)
asked by Samantha 
government
How do the duties of the Lieutenant Governor compare to those of the vice president?
asked by Ana 
MaTh HeLp Plz..
In pascal's triangle, which row has the sum of 524288?
asked by kazz 
spanish
Write answer to the following questions. 1. Adonde te gusta ir de compras 2. Con que tipo dinero tienes que pagar en estados unidos 3. Con que tipo dinero tienes que pagar en europa 4. Por que llevamos gorros y chaquetad en invierno
asked by sherianna 
mechanical science
a c accelerates from rest in a straight line. after 12 seconds, it's velocity is measured as 42 m/s. use one of the linear equations of motion to calculate the car's acceleration
asked by john 
chem
Krypton gas is four times denser than neon gas at the same temperature and pressure. Which gas is predicted to effuse faster?
asked by Samantha 
science
why does the period of the pendulum decrease if the length of the pendulum decrease?
asked by maya 
math
Clovertown students attend school five days a week for thirtysix weeks. Each school day is six hours long. How many hours do students spend in school each year?
asked by Anonymous 
math
look at the numbers below describe the pattern 75, 74,72,69,65, what is the next two numbers in the pattern
asked by faith 
algebra 2
solve each system by substitution 1. y=xt1 2x+y=7 2. x=y2 3xy=6 3. y=2xt3 5xy=3
asked by raul 
government
Describe the different types of primaries.
asked by Ana 
algebra 2
solve each system by substitution 1. 6x3y=33 2xty=1 2. 2xy=7 3x2y=10 3. 4x=8y 2x+5y=27
asked by raul 
PreCal.
How does this go from x^2+ to 2i, explain.
asked by phyllys 
PreCal.
use the complex zeros to give fully factored form, the first factor needs a x in it : (3) (2i)(x+2i)
asked by phyllys 
Physics
The New England Merchants Bank Building in Boston is 152 high. On windy days it sways with a frequency of 0.12 , and the acceleration of the top of the building can reach 2.5 of the freefall acceleration, enough to cause discomfort for occupants. What is
asked by Amy 
math for business and finance
dick hercher borrowed $7,000 to travel to london. his loan is to be paid in 48 monthly installments of $190. at the end of 14 months, dick decides to pay off his loan. what is the final payoff dick will make?
asked by barbara 
Math
How do you solve 3y+2x=12
asked by ANONYMOUS 
algebra
supose you bought eight oranges and one grapefruit for a total of $4.60. later day, you bought six oranges and three grapefruits for a total of $4.80. what is the price of each type of fruit?
asked by alex 
algebra
what is the parent function for y=x+4 and transformation?
asked by raelynn 
science
(a) Speculate about how the invention of the microscope might have helped doctors to understand what caused diseases.
asked by jkdfo 
math (calculate speed)
A swimmer of mass m is at a swimming pool. They climb the steps to the diving board 4.0 m above the water. They jump off the board, which enables them to rise a further 0.7 m before they begin their descent into the pool. At what speed do they enter the
asked by AMT 
physical science
Mike jogs east at a rate of 4 mph. The wind is blowing west at 1 mph. What is Mike's velocity?
asked by alex 
Government
List one of the unalienable rights.
asked by Ana 
Math
write 2x= 5y+11 in standard form
asked by ANONYMOUS 
Government
Who works on the federal budget?
asked by Ana 
Government
Explain the social contract theory.
asked by Ana 
Math
Rachel gave 1/4 of a pie to each of 5 friends. How many pies did she give to her friends in all? Write the mixed number. Ms. Fuller has 2 2/6 pies left over from her party. Write the number of pies left over as a fraction greater than 1. How do I arrive at
asked by Nelson 
Government
Explain progressive and regressive taxes.
asked by Ana 
Government
Identify checks and balances.
asked by Ana 
Government
What are the duties of congressional committees?
asked by Ana 
social studies
what is North Carolina largest port
asked by isaiah 
math
List order of numbers from least to greatest is the following correct? 1 3/7 1 2/4 1 8/14 1 3/4
asked by b 
Math
7) Use Pascal's Triangle to find the coefficients for (a + b)5 . I need help with this?
asked by Amber 
science
which would have a greater maximum kinetic energy, a long pendulum or short pendulum?
asked by Anonymous 
math
Lee forgot to study for her geography quiz, but she was not too worried because the quiz had only five truefalse questions.Suppose she guessed all of the answers.What are the chances that she passed with four or five correct answers?
asked by hamid 
Science
Does anyone know a Commensalism of the Baltimore Checkerspot? If you do know, I need the answer ASAP. Please help. Thank you.
asked by Anna 
algebra
solve each system by substitution 1. 6x3y=33 2xty=1 2. 2xy=7 3x2y=10 3. 4x=8y 2x+5y=27
asked by alex 
math
write three equivalent ratios to compare each of the following. 8 triangles to 12 circles
asked by shion 
math
write three equivalent ratios to compare each of the following. 20 pencils to 25 erasers
asked by shion 
math
3/4(8a4b)1/2(2ab)
asked by nothing 
Math
I'm learning series and sequences (grade 11). Please check that my steps show I understand what I'm doing/the concept and my answer as well: 5. The consecutive terms of an arithmetic sequences are 3.6, y, 8.2. Find the value of y. This seems to be a
asked by Crystal 
Science
How many grams of oxygen gas would be needed to react with 75 grams of hydrogen gas
asked by Tammy 
science
how did the invention of the microscope help doctors to understand what caused diseases.
asked by hannah 
Polynomials
Let f(x) = ax^3 + bx^2 + 3x – 4. If f(x) is divided by (x – 2), the remainder is 2. When it is divided by (x – 1), the remainder is 2. Find a and b. (4 marks) Please help, I understand what to do when there's only 2 variables but not with 3. Thank
asked by Anonymous 
math very urgent
What is the area of a shape that that has 8 sides and has 1 , 1 , 8 , 1 , 1 , 3 , 3 and 10?
asked by Anonymous 
algebra
According to famous tv critic bube tube, Why Is Television Called Communications"Medium"?
asked by calika hendricks 
chemistry
a sample of 20.0 mL of 0.100 M HCN (Ka=6.2*10^10) is titrated with 0.150 M NaOH. a) what volume of NaOH is used in this titration to reach the equivalence point? b) What is the molar concentration of CN at the equivalence point? c) What is the pH of the
asked by Anonymous 
math VERY URGENT+IMPORTANT
What is the area of a shape that that has 8 sides and has 1 , 1 , 8 , 1 , 1 , 3 , 3 and 10 as the lengths of the 8 sides?
asked by Anonymous 
geometry
the endpoints of the diameter of circle O are (2,1) and (16,13). what are the coordinates of its center?
asked by megan 
english
i'm required to write a 7 paragraph, 5 minute speech for my 8th grade lit comp class. the topic is "why my voice is important." but i can't think of any reason my voice is important. because it's not. i'm 14 years old! what say do i have in anything? none.
asked by REPLY ASAP PLEASE 
chemistry
How many atoms of carbon are in 325 g of tin (II) acetate?
asked by anonymous 
MATH I HAVE ASKED TWICE ALREADY!!!!!!!!!
What is the area of a shape that that has 8 sides and has 1 , 1 , 8 , 1 , 1 , 3 , 3 and 10 as the lengths of the 8 sides?
asked by Anonymous 
MathSyllogism valid?
Some snakes are poisonous. A rattlesnake is a snake. Therefore: a rattlesnake is poisonous. Is syllogism valid or invalid?
asked by tony 
5th grade math
please help solved the following fraction 11 13/15 + 3 7/12 = 14 3/4 + 7 + 5 7/8 = Thanks, Hannah
asked by hannah 
math (algerba 1)
2x2 + 16x + 32 how do I Factor and label? And how do I know if this is a tri square?
asked by Ashley 
Chemistry
PLEASE PLEASE HELP How do i find the Empirical formula of CuCl2.5H2O
asked by Bobert Wells 
Science
What are thease layers of earth made of? Crust Lower mantel outer core inner Core. and asthenospher and lithosphere
asked by Ally 
math (algerba 1)
Is 2x2 + 16x + 32 a tri square?
asked by Ashley 
physics
If A = 4 units north, B = 4 units east, and C = 6 units northeast (45o east of north), click on the figure to find A + B + C. Construct the figure.
asked by joe 
Algebra 2/Trig
I've done every other single question besides this one. (There was 12). I'm stumped and would really appreciate some help! I have to simplify this: 5/3sqrt(34) I am not sure if you have to conjugate the denominator and multiply it with the top and bottom,
asked by Raelyn 
social studies
how many kids did Nefertiti have?
asked by majesty 
College English
Describe how communication is a twoway process and explain why communication skills are paired.
asked by Cindy 
Physics
The sun has a mass of 1.99x10 30 kg the earth has a mass of 5.98x10 24 kg and is 1.496x10 11 m from the sun a) Calculate the force of gravity acting on the eaarth by the sun b) CAlculate the force of gravity acting on the sun by the earth
asked by Isis 
math
how can you use a right angle to decide how to name another angle?
asked by megan 
Physics ASAP PLEASE
A baseball is thrown at an angle of 40.0° above the horizontal. The horizontal component of the baseball’s initial velocity is 12.0 meters per second. What is the magnitude of the ball’s initial velocity?
asked by Sunny 
Math
If 241.5 grams of gold has a volume of 12.5 cubic centimeters, what is the density of gold?
asked by Camma Breezy 
math
don break a 4x7 array into a 2x7 array and another array. what is the fact for dons second array? write a number sentence that models the relationship of the 4x7 array to the other two arrays.
asked by stacey 
math
1. y=xt1 2x+y=7 2. x=y2 3xy=6 3. y=2xt3 5xy=3
asked by alex 
Math
Rewrite the number sentence with parentheses to make it correct.412=70x5+18. And 6x105=55
asked by Zacko 
Science
What is the idea that living things can come from nonliving sources called?
asked by Lyric 
math
solve each system by elimination x+y=10 xy=2
asked by alex 
Living things Science
The factor that a scientist changes in a controlled experiment is the _____________ Please help :]
asked by Lyric 
Math
Sue Ellen bought 5 cans of soup for a total of $4.00. What is the unit price of a can of soup, in dollars per can?
asked by Camma Breezy 
Math
Jim Handy finds an irregularly shaped fivesided rock. He labels each side and toss the rock 100 times. The results of his tosses are shown in the table. Determine the empirical probability that rock will land on side 4 if tossed again. Side 1 2 3 4 5
asked by Arleen 
PHYSICS HELP PLEASE!
A baseball is thrown at an angle of 40.0° above the horizontal. The horizontal component of the baseball’s initial velocity is 12.0 meters per second. What is the magnitude of the ball’s initial velocity?
asked by Sunny 
on being a person
A key ingredient in the existential perspective is
asked by Anonymous 
Math
Alex has 7 dimes and 3 nickels. What fraction of the coins are dimes?
asked by Emme 
Cosmology
What observations were used by Edwin Hubble to show that the universe is expanding?  The distance to a galaxy is proportional to its luminosity.  The distance to a galaxy is inversely proportional to its apparent size.  The distance to a galaxy is
asked by qwerty 
Math
What is 7/5 into a mixed number
asked by Rose 
Living things Science
Organisms that make their own food are called ____________________________. :D
asked by Lyric 
Cosmology
How do we explore the largescale structure of the Universe in the modern day?  Using large spectroscopic redshift surveys.  By accurately measuring positions of nearby galaxies.  By observing galaxies in the Local Supercluster.  By studying clusters
asked by qwerty 
Math
In his last track meet, Carl ran the 100meter dash in 13.2 seconds. What was Carl's approximate rate of speed for tha race?
asked by Camma Breezy 
Cosmology
Most of the energy in the Universe today is...  contained in the motion of galaxies.  released through supernova explosions.  in the form of dark energy.  the energy of the CMB photons.
asked by qwerty 
Cosmology
Which of the following phenomena is NOT a consequence of Special Relativity?  Massenergy curves spacetime  Length contraction  Time dilation  Mass can not travel faster than the speed of light
asked by qwerty 
Cosmology
The equation describing the geometry and massenergy distribution of a homogeneous and isotropic universe is known as:  The Einstein Equation  The Friedmann Equation  The RobertsonWalker Equation  The Hubble Equation
asked by qwerty 
Math
3gal=___qt 12? 32oz=___lb 2? 16pt=___qt 8? 6c=___pt 3? 44qt=___gal 11? 3gal=___pt 24? 2t=___oz 64000? 4c=__fl oz 32? 64 fl oz=___c 8? 5lb=___oz 80?
asked by Jerald 
math
102p+5p=p+4
asked by mariah 
Cosmology
The universe is homogeneous and isotropic on:  large scales (more than 100 Mpc)  neither small nor large scales  small scales (less than 100 Mpc)  both small and large scales
asked by qwerty 
Cosmology
The scale factor, R, describes how universal expansion changes with:  time  curvature  location  all of the above
asked by qwerty 
Physics
The New England Merchants Bank Building in Boston is 152 high. On windy days it sways with a frequency of 0.12 , and the acceleration of the top of the building can reach 2.5 of the freefall acceleration, enough to cause discomfort for occupants. What is
asked by James 
Cosmology
Cosmological redshift is defined as R(t0)/R(te) =  1+z  1 / 1−z  1−z  1 / 1+z
asked by qwerty 
Cosmology
The solution of Olbers' Paradox is:  The universe is opaque at large scales  The universe expands  There is simply not enough starlight in the universe  Matter is clustered in such a way that the integral brightness converges
asked by qwerty 
math
name the property 32X4=(30X4)+(2X4)
asked by Joe 
Cosmology
A Megaparsec is:  The distance to the Andromeda galaxy  The distance from which 1 AU subtends an angle of 1 microarcsecond  The distance from which 1 AU subtends an angle of 1 arcsecond  The size of the observable universe
asked by qwerty 
algerbra
solve by substitution y=0.5x+2 y=2x+4
asked by hernan 
algebra
Is this mrs.. Berry
asked by Lisa 
chem please help!
Krypton gas is four times denser than neon gas at the same temperature and pressure. Which gas is predicted to effuse faster? i got neon which is correct but How much faster? how many times? i don't know how to get htis
asked by Samantha 
math
i need help with this riddle: i am not divisible by 2 or 3, and i am between the numbers 12 and 16. What number am i?
asked by serenity 
MATH URGENT
What distance would the skydiver fall during 7s of free fall ? Use the formula d= 4.9t^2, where in d is distance in meters and t is time in seconds. Pleeeeeeeeeese help me!!!!!!
asked by SPIKE 
math
you are building a deck. you make a scale drawing with a scale of 2 feet=1/2 inch. the actual deck is 18 feet long and 12 feet wide. Determine the length and width of the deck in the scale drawing.
asked by Anonymous 
Math
3gal=___pt 24? 2t=___oz 64000? 4c=__fl oz 32? 64 fl oz=___c 8? 5lb=___oz 80?
asked by Jerald 
MATH URGENT
Write the calculator key sequence you would use to evaluate each expression. Then evaluate. A.) (13)^4/4 B.) (2)^0+4*17^0 C.) 169 (2^3)+(4)^2 Thank you and I pleeeeese explain how to do this
asked by SPIKE 
Math
the weight of ab ag of potatoes 5 tons or 5 pounds 5 pounds? the amount of water in a sports bottle 15 fl oz or 4 pints? 16 fl oz? the weight of an apple 1/2 pound or 32 oz 1/2 pound?
asked by Jerald 
math (calculate speed)
A swimmer of mass m is at a swimming pool. They climb the steps to the diving board 4.0 m above the water. They jump off the board, which enables them to rise a further 0.7 m before they begin their descent into the pool. At what speed do they enter the
asked by AMT 
Algebra
One adults ticket to an amusement park costs d dollars. One child's ticket costs $19 less than twice the cost of an adults ticket. Write and simplify an expression for the cost of one child's ticket. If an adults ticket is $28, what is the cost of a
asked by Jose. 
math
I have been staring at this problem forever, and cant seem to dig it up in my book. Please help! Two competing bank are trying to attract customers. (a) Ally Bank has an account which earns 25% interest every 10 years. Assuming the interest is compounded
asked by fawn 
MATH URGENT
The prime factorization of 243 is 3*3*3*3*3. Write 243 as the product of two powers of 3 in as many ways as possible. Thank you
asked by SPIKE 
QRB
Complete the following two problems. Problem 1 The table shows the number of greeting cards that Americans buy for various occasions. Holiday/Event Cards Sold Valentine’s Day 900 million Mother’s Day 150 million Father’s Day 95 million Graduation 60
asked by Hope 
MATH PLS HELp
Write an equation for nth term in the sequence: 2, 5, 10, 17, 26
asked by kazz 
Math
33 fl oz=__c 4? 16qt=__gal 4? 3t=__lb 6000? 2gal=__pt 16?
asked by Jerald 
geometry
The coordinates for a rhombus are given as (2a, 0), (0, 2b), (–2a, 0), and (0, –2b). Write a plan to prove that the midpoints of the sides of a rhombus determine a rectangle using coordinate geometry. Be sure to include the formulas.
asked by Anna 
physics
A 4.75 mass was dropped from a certain height and achieved a maximum velocity of 7.68 m/s just before striking the ground. Determine the height from which the mass was dropped. Ignore air drag.
asked by John 
Math
2ft=__in 24? 18ft=__yd 6? 3520yd=___mi 2? 3yd=__in 108? 2mi=__ft 10560? Which is greater 2 1/4feet or 26 in? 2/4 Which is greater 3 1/3yd or 12 ft 12ft?
asked by Jerald 
math
Explain: how will you divide 0.12 by 8
asked by esha 
math
i need help im stuck on this question please help me heres the input 25 and the output is 15
asked by ami 
Government
Monetary policy differs from fiscal policy in that a. it has to be exercised by the legislature. b. the policy goals are very different. c. it is a slower process than fiscal policy. d. it is a faster process than fiscal policy. e. none of these answers
asked by Maria 
Physics
Car A is traveling at 18 m/s and car B at 25 m/s. Car A is 300m behind car B when the driver of Car A accelerates his car with an acceleration of 1.80m/s^2. How long does it take car A to overtake car B?
asked by B 
math
Write an equation for nth term in the sequence: 2, 5, 10, 17, 26
asked by kazz 
English
Word bank authorize culprit dawdle dissect expend fatality gullible illicit immerse inflammatory memorandum pathetic persevere prevaricate quash relish reminisce scour tribute writhe Our supervisor prepared a(n) ___ that reminded the salespeople of the
asked by Jerald 
math
Which of the following values is in the solution set of the inequality 87x>6 a) 2 b) 2 c) 3 d) 1
asked by bob 
math
whats 4(2/3) im in 8th grade and i don't understand
asked by diana martinez 
Chemistry
An aqueous solution of HCl has a high electrical conductivity when compared to the compound in hexane, whilst the conductivity of a solution of the compound in diethyl ether has an intermediate value. Explain.
asked by Matt 
Math
What Are Five Ratio Survey Questions I Can Do On A Typical Family Of 6 ?
asked by Nina 
biology
do you know how much drops of dcpip is required to make .9 , .6 , 1.1 and .8 cm squared my partner and i frogot to write down the number of drops to make the dcpip volume
asked by Anonymous 
math
22. The graph shows the number of handbags that Mandy made in one day. What are the variables? Describe how the variables are related at various points on the graph. Mandy's Handbags
asked by Anonymous 
english
1. The students (study, studies) history. 1.studies
asked by Hayden 
FUNCTIONS 11
Write an equation for nth term in the sequence: 2, 5, 10, 17, 26
asked by Help 
math
i need to find out if this fraction is correct 8/16
asked by d.d 
Math
The probability of rain falling on the roof of Adam’s dorm on any given day is 0.15. The probability of rain falling on the lecture hall is 0.20. On days when rain strikes the dorm roof, it has a 0.90 probability of also striking the lecture hall roof.
asked by Kristine 
calculusplease help!!
Find the functions f&g so that fog =H H(x)=(3x+2)^6 please show work
asked by anonymous 
Math
What Are Five Ratio Survey Questions I Can Do On A Typical Family Of 6 ?
asked by Nina 
Math
4x  5 ≤ 2(x  7) x^3  5x^2 + 2x ≥ 8 2(x^3  2x^2 + 3) < x(x  1)(x + 1)
asked by Anonymous 
algebra
Estimated product. 81,000
asked by sharon 
Science
What things in the environment where I live in Hollister, CA determine the local ecosystem?
asked by Lisa 
Arbor
a car is traveling at 50.0 km/h on a flat highway. a) if the coeffcient of kinetic friction between the road and the tires on a rainy day is 0.100, what is the minimum distance needed for the car to stop? b) What is th stopping distance when the surface is
asked by Anonymous 
Math Sequence
the nth term of a series is 9n7. what is the result of subtracting the kth term from the (k+1)th term? (with solution pls, thnx)
asked by HELP HELP MNHS 
math sequenc
the nth term of the geometric progression is 3(2^n1). how many terms are less than 200?
asked by HELP HELP MNHS 
Math
Mario is mixing paint for his walls. In a large container he mixes 1/6 gallon blue paint and 5/8 gallon green paint. Which fraction represents the total amount of paint Mario mixes?
asked by Anonymous 
SOCIAL STUDIES URGENT!!
Which of the following would NOT be considered an institution? (1 point) families sports clubs organized religion civilizations this is hard umm i believe it's civilizations am i correct~
asked by Gabby 
Math
The price of a jacket at store A is $48. If the price at store B is 5.5% higher, what is the price difference? What is the cost of the jacket at store B?
asked by yolo 
Math
Justin bought 4 pillows for a total of $31.96. What is the unit price for each pillow?
asked by Camma Breezy 
science
How would you find a mass of a rolling marble?
asked by David 
trig
Solve sin θ = 0.204 for 90º < θ < 270º. Give your answer to the nearest tenth of a degree. Honestly have no idea how to do this.
asked by Matt 
science
determine the molarity of the following solution 31 g MgF2 in 55ml H20
asked by willie 
science
what is the molarity of a solution of 232 g of NaCl in 2.1 of water?
asked by willie 
science
what is Molarity of a solution of 4 moles of NaCl in 2L of water?
asked by willie 
science
sodium flouride is soluble in water at the rate of 4.09g/100g of H20. how much will dissolve in 500g of water
asked by willie 
precal
Three forces with magnitudxes 100, 50 and 80 lbs act on an object at angles of 50 degree, 160 degree and 20 degree respectively.
asked by sarah 
calculus
three forces with magnitudes 100, 50, and 80 lb act on an object at angles of 50 degree, 160 degree, and 20 degree respectively. ind the direction and magnitude o the resultant force.
asked by sarah 
geometry
Suppose the coordinate of p=2 and PQ=8 and PR=12. Whare are the possible mid point for line segment PQ? A.2 &8 B. 2 & 6 C.2 & 6 D.2
asked by Justin 
science
determine the molarity of the following solution 31 g MgF2 in 55ml H20
asked by willie 
SCIENCE HELP!!
How does the discovery of seafloor spreading help to explain the mechanism behind why plates move??
asked by Bill 
Sicnece
A skeleton equation is not a balanced equation. Is this sometime true, never true or always true? Can't there be some skeleton equation that is already balanced, thus it sometime true? Thanks
asked by Shadow 
INTEGERS
Starting at home a salesman drove 20km east, then 9km north, then 4km east. finally, he drove x km south and at that point he was exactly 25 km away from his home. find x.
asked by HELP HELP HELP MNHS