Questions Asked on
October 1, 2013

Science Significant Figures
You calculate the area of a 150m x 100.0 m room. How many significant figures should your answer include? a. 1 b. 2 c. 3 d. 4 2?
asked by Anonymous 
PreCalculas 11
a farmer wants to build two pens (one for cows, the other for horses) on land by a straight road. There is already a fence along the road and the farmer has 800m of fencing to build his fence to enclose the pens and separate them as shown in the diagram
asked by Ravneet Gill 
Chemistry
A tubular fluorescent lamp in a fully evacuated supply compartment on the international space station was originally filled with a small amount of mercury vapour. When the lamp began to flicker the astronauts complained there was a tiny hole in the tube.
asked by Nancy 
Chemistry
Determine the molecular formula of phosphorus. phosphorus gas has a density of 0.617 g/L at 70 and 200 Celsius ...
asked by Lisa 
MATH
The quadratic equation x2 + mx + q = 0, where m and q are real numbers, has the complex root a + bi. Which of the following must be equal to m?
asked by Anonymous 
Chemistry
The isotopic abundance of naturally occurring hydrogen is as follows: 1H 99.985 atom % 2H 0.015 atom% When H2 gas is formed from naturally occurring hydrogen, what percentages of the molecules have molecular weights of approximately 2, 3 and 4?
asked by Jane 
math
59+20=
asked by gretika 
physics
A block of mass m1 = 13.5 kg rests on a wedge of angle θ = 27∘ placed over a table.. An inextensible string is attached to Block M1, passes over a frictionless pulley at the top of the wedge, and is then attached to another block of mass M2 = 3 kg. The
asked by ss01 
physics
For circular motion in the vertical plane, what is the centripital acceleration at the bottom of the circle? What is the magnitude of the centripetal acceleration at the top of the trajectory ? express your ans. in terms of g, M and T, where is T is
asked by ss01 
physics
A block of mass m = 14 kg is pressed with a horizontal force F against a frictionless ramp of angle θ = 78∘. What is the magnitude of the normal force exerted by the incline surface on the block?
asked by ss01 
History
When was the height of Egyptians, Athenians, Alexander's empire, and Roman Empire? I am having hard time finding the exact or round about year to these. I've found two so far, but I am sure if its right. please help so i can study for my test! thank you!
asked by JJ 
maths
When the function f(x) is equal to 2xn + ax2  6 is divided by (x1), the reminder is 7 and when divided by (x+3), the reminder is 129. Calculate the value of "a" and "n" and hence write the polynomial function completely.
asked by Shane 
History
Which group is most associated with the fall of the Western Roman empire? Was it Carthaginians, Gauls, Huns, or the Greeks?? I thought it was Egypt or Visigoths but my answer came back as wrong :(
asked by JJ 
math
The cost of a telephone call is $0.75 + $0.25 times the number of minutes. Write an algebraic expression that models the cost of a telephone call that lasts t minutes. i got C= 0.75 + 0.25t am i correct? pls help if im not :( and show me how u got the
asked by lisa 
maths
can you pls tell the formulas in binomial theorem
asked by ether 
VNS,Math
In Gulshan the ratio of private homes to apartment is 3:5. If all the apartments are brick made and 1/10 of the private homes are wooden, what is the maximum portion of houses that may be brick?
asked by Nahar 
physics
What would the density of a sphere of radius 1.07 m have to be in order to produce a gravitational acceleration of 1.01 m/s2 at the surface of the sphere?
asked by Erica 
Math
If Anna is 5 ft tall. How tall is she in centimeters and what is the rate?
asked by Janet 
social studies
determine the capitol budgeting in global business
asked by tasha 
Chemistry
Hi, This is a challenge question for my intro chemistry class and I'd really like to do it. Its in 2 parts. 1. Consider a 2790lb automobile clocked by lawenforcement radar at a speed of 85.5 mph (miles/hour). If the position of the car is known to within
asked by bridget 
Chemistry
For the following reaction KClO4 → KCl + 2O2 Assign oxidation states to each element on each side of the equation. Reactant Product K Cl O Which element is oxidized? Which element is reduced?
asked by Oluwafemi 
History!
***IGNORE THE CHARTS/GRAPH QUESTIONS!! UNLESS YOU KNOW THE ANSWER OR HAVE SEEN THE CHARTS! THANKS!! :) *** For whom was South Carolina named? (1 point) Queen Caroline King Charles I**** King Charles II Queen Elizabeth 2. What is an important reason to
asked by marie 
Physics
A small airplane has a speech of 200km/h with respect to the air. There is strong wind blowing at 77km/h at 23 north of east with respect to the Earth . A) in which direction should the plane head in order to land at an airport due north of its present
asked by Maria 
math
Is 7 the squarre of 49? I know its the square root .But are square and square rooot the same?
asked by deedeee 
English !!!
What could be some flaws of discrimination (black people)?
asked by vickie 
English !!!
What could be the flaws of all men are equal to vote?
asked by vickie 
music (Anyone)
who knows 2 same pieces of music but have different performers?
asked by Sara 
chemistry
What equation will you use to calculate the heat of fusion of ice? The specific heat of water is 4.184 J/(gx°C), and the heat capacity of your calorimeter is 1.0x10^1 J/°C.
asked by Stephanie 
Math
What is the square root of 693 divided by the sum of pi and Avagadro's number
asked by Robin 
Chemistry
If I was trying to find out the number of molecules(N) using moles x avogadro's number, what units would N have?
asked by Nancy 
English
can anybody give me examples of beliefs i have a few but i need more
asked by francine 
English
Writeacher,i can't understand these lines!These lines are of julius caeser and it seems very difficult to understand!plz make me clear! Go bid the priest do present sacrifice and bring me their opinions of success,
asked by help()!!!!! 
physics
What is the selfinductance of an aircore solenoid,1m long and 0.05m in diameter,if it has 1400 turns?(a)5.23mH(b)4.84mH(c)3.63mH(d)2.42mH
asked by Roy 
Chemistry
Aluminum carbide, Al2C3 (s), reacts with water to yield aluminum hydroxide, Al(OH)3 (aq), and methane, CH4 (g). Write the equation for the reaction. How many grams of Al4C3 (s) would be needed to prepare 1.000 L of CH4 (g) measured at STP?
asked by Cris 
Calc
Two commercial airplanes are flying at an altitude of 40,000 ft along straightline courses that intersect at right angles. Plane A is approaching the intersection point at a speed of 427 knots (nautical miles per hour; a nautical mile is 2000 yd or 6000
asked by Anonymous 
Calc
Two commercial airplanes are flying at an altitude of 40,000 ft along straightline courses that intersect at right angles. Plane A is approaching the intersection point at a speed of 427 knots (nautical miles per hour; a nautical mile is 2000 yd or 6000
asked by Anonymous 
worldwide issues
If money wasn't used on electronic warfare how would our lives be different?
asked by deedeee 
General Physics
A 6 kg flower pot falls from a window ledge 10 meters above the ground. a) What is the Kinetic Energy of the flower pot just as it reaches the ground? b) What is the speed of the flower pot just before it strikes the ground?
asked by Azerfiti 
health
what are some mental or emotional problems i can research
asked by help 
Physics
A 10kg mass is projected straight up with a speed of 20.0 meter/second. 1. Find the initial kinetic energy of the mass 2. To what height does the mass rise?
asked by Anonymous 
C/J
Which of the following is sometimes held to be the only event for which there is no cause? a.freewill b.emotions c.viruses d. moral character Is it free will not sure
asked by Robby 
physics
What would the density of a sphere of radius 1.07 m have to be in order to produce a gravitational acceleration of 1.01 m/s2 at the surface of the sphere?
asked by Erica 
Maths
Two candidates A and B are up for election. A is so popular that the number of votes for B is expected to be less than or equal to 10% of A's votes. If the total number of votes for both candidates is 110 , what is the minimum number of votes we could
asked by CHRIS 
English
In the following sentence identify the appositive or appositive phrase and the noun or pronoun defined by the appositive. Mr. Murray, the Scoutmaster, likes to hike. Appositive? Noun or pronoun defined?
asked by Chloe 
Chemistry (balancing eq)
I need to write a formula where PbNa reacts with water. 2PbNa + 2 H20 = 2 NaOh + H2 +Pb It says in the question that lead doesn't react with water, but Na does. Did I write the formula correctly?
asked by Kristine 
Algebra/radical expression
(43sqrt2)^2 simplify. Is it 169•2sqrt2 (7)2sqrt2 ???
asked by Taylor95 
math
17000 at 2.5% for 5 year show much inter trust would you have ?
asked by Anonymous 
Health
What is intensity?
asked by jessica 
Geography (Ms. Sue)
Where are each of these countries (Germany, France, Italy, United Kingdom, and Spain) located, relative to the rest of Europe? What pattern do you notice? I do not know the answer whatsoever.
asked by Anonymous 
geography
what does mexico's city site on top of the aztec city suggest about the location?
asked by jessica 
Chemistry
The capacity of the groundwater treatment plant has recently been expanded to receive an additional 50,000 m3/year. As a result, all of the 6 rapid sand filtration are being operated. Assume a peak flow factor of 1.5. If the filtration rate is 5 m/h, what
asked by WT 
Chemistry
If the RQ is 6 and the k2t is 4, what is the removal efficiency of (CO2) of the cocurrent tower aerator. What will be the efficiency if a tower aeration with counter current flow is used instead? what is the efficiency of the cocurrent tower aerator (%):
asked by WT 
Chemistry
Currently the removal of CO2 is too low and it has been proposed to change the deep well aeration with a cocurrent tower aerator. select the advantages of using deep well aeration from the below: Very high O₂ transfer within an exceptionally small space
asked by WT 
English
The President sent the ambassador an invitation to the meeting. What is the correct sentence pattern?
asked by Michaela 
physics
Kim is in a boat traveling 3.8 m/s straight across a river 240 m wide. The river is flowing at 1.6 m/s. What is Kim's resultant velocity?
asked by Alex 
biochemistry
substrate concentration= 3.5mM (c2) buffer=0.4 ml 10mM PNPP stock= ?ml (V1) water=?ml enzyme= 0.2ml total volume =1ml (V2) I need help with a dilution, I understand that you would be using c1v1=c2v2 but im confused as to what we need to find the amount of
asked by greg 
English
Is this grammatically correct? Based upon a country sustained by ritual and tradition, this episode features a masked, villainous wrestler, known as Hombre sin Nombre, who reinvents himself for the sake of his family; a sorceress, referred to as Chef
asked by Anonymous 
science
When you merge cells, what happens?
asked by rockrboiluvr 
complit
What is a spreadsheet used for?
asked by drukadurka 
current events
I am turning twentysix on Tuesday October Eighth. I have a grace period from the insurance company that I can stay on for a while after my birthday. When should I start signing up for this brandnew health care program? Even after you apply, is there a
asked by Brandon 
chemistry science
substrate concentration= 3.5mM (c2) buffer=0.4 ml 10mM PNPP stock= ?ml (V1) water=?ml enzyme= 0.2ml total volume =1ml (V2) I need help with a dilution, I understand that you would be using c1v1=c2v2 but im confused as to what we need to find the amount of
asked by greg 
psy/315
I need someone to help me answer this question please. What is the fivestep process for hypothesis testing, and explain the procedure and logic for each.
asked by SADE 
History!!
PLEASE PLEASE PLEASE HELP ME!!
asked by Marie 
physics
A block is at rest on the incline shown in the figure. The coefficients of static and ki netic friction are μs = 0.45 and μk = 0.38, respectively. The acceleration of gravity is 9.8 m/s2 . What is the frictional force acting on the 25 kg mass? Answer in
asked by Anonymous 
English 11
Please help?! 9. Which of the following is NOT a primary source from early american and colonial literature? The song of hiawatha "sinners in the hands of an angry god" the federalist papers notes in the state of virginia
asked by Alisa 
Chemistry
A 7.85 g sample of a compound with the empirical formula C5H4 is dissolved in 301 g of benzene. The freezing point of the solution is 1.05C below that of pure benzene. what are the molar mass and molecular formula of this compound?
asked by niki 
math  calc
A conical water tank with vertex down has a radius of 12 feet at the top and is 26 feet high. If water flows into the tank at a rate of 30 {\rm ft}^3{\rm /min}, how fast is the depth of the water increasing when the water is 12 feet deep?
asked by Greg 
math  calc
A conical water tank with vertex down has a radius of 12 feet at the top and is 26 feet high. If water flows into the tank at a rate of 30 {\rm ft}^3{\rm /min}, how fast is the depth of the water increasing when the water is 12 feet deep?
asked by Greg 
aLGEBRA 2 help please would appreciate
x+x/4=25/6 find x please show all the step thank you
asked by lisa 
Math
Find the rate in mph of someone who drove 12 miles in 45 minutes
asked by Chuck 
aLGEBRA 2 help please would appreciate
x/x+3 x/x+3=x^2+9/x^29 solve for x and check your answers
asked by lisa 
math
How much will Pauline pay in interest if she takes out a simple interest loan with a principal of $3,900 at 7.2% for three years?
asked by lauren 
physics
a ball is thrown at a vertical velocity to an angle of 30 degree above the horizontal and rises to a maximum height of 50 meters.if the angle is tripled find the maximum height and the horizontal range of a projectile for the same intial velocity
asked by Laila 
Math
Emma is 5 years older than 6 times beth's age. If Emma is 29 years old how old is Beth?
asked by Sarah 
alGEBRA 2 help please would appreciate
x over (x+3) x over(x3)=x^2+9 over X^29 solve for x and check answer
asked by lisa 
Physics
A football is kicked off with an initial speed of 63 ft/s at a projection angle of 45 degrees. A receiver on the goal line 67 yd away in the direction of the kick starts running to meet the ball at that instant. What must be his minimum speed (in
asked by 0tter 
Geography
Hello, I am doing a presentation on the role and importance of rifts and ridges in the creation of continents. I am having a really hard time telling the difference between the two! I have researched them both and find them very similar...help! Thanks
asked by Dawn 
math
Paul an Peter each toss a coin and record the results. Paul: H H T H T H H H T T H H T H T H T H H T T Peter: H T H H T H H T T H T H ... ... If the probability of heads to tails was the same for both boys, what were peter's last two tosses?
asked by Abbie 
math
n!/n(n1) is equivalent to? a) (n2)! b) n1 c) 1 d) 1/n1
asked by sam 
Physics
A football is kicked off with an initial speed of 63 ft/s at a projection angle of 45 degrees. A receiver on the goal line 67 yd away in the direction of the kick starts running to meet the ball at that instant. What must be his minimum speed (in
asked by 0tter 
Physics
Nuclear fusion reactions require that positively charged nuclei be brought into close proximity, against the electrostatic repulsion. As a simple example, suppose a proton is fired at a second, stationary proton from a large distance away. What kinetic
asked by BME 
Organic Chemistry
What reagents will separate, isolate, and purify 50% phenanthrene, 40% methyl 4aminobenzoate, and 10% 1,4dibromobenzene? The reagents to chose from are: 1 M naoh, 6 M naoh, 1 M hcl, 6 M hcl, 1 M nahco3, saturated sodium chloride, diethyl ether, 95%
asked by Ryan 
Precalc
a weight on a vertical spring is given an initial downward velocity of 4cm/sec from a point 6 cm equilibrium. Assuming that the constant w has a value of 4, find the location of the weight 1 sec after it is set in motion.
asked by Anonymous 
math
In how many ways can 5 books be arranged on a shelf If 2 of the books are identical?
asked by sam 
Algebra/geometry
Find te equation in slopeintercept form of the line that is the perpendicular bisector of the segment between (3,4) and (3,8).
asked by Taylor95 
physics
The lefthand cable has a tension T1 and makes an angle of 50 degree with the horizontal. The righthand cable has a tension T3 and makes an angle of 43 degree with the horizontal. A W1 weight is on the left and a W2 weight is on the right. The cable
asked by Kelly 
Early childhood Ed
V in vark means
asked by Lind 
Astronomy
Each time period corresponds with an event in the list below labeled a to e. Starting with the earliest time period (10^−34 s), list which time period corresponds to which event. For example if you think the times at 10^−34 s, 10^−12 s, 10^−10 s, 3
asked by qwerty 
Math
Mr. Singh deposited $170 in his bank. The number of $5 bills was three times the number of $10 bills and the number of one dollar bills was 30 more than the number of five dollar bills how many bills of each type did he deposit
asked by Valentina 
Astronomy
Why didn’t the Universe collapse into a black hole in the past when there was so much matter in such a small space? (a) Most of the particles in the early Universe were unstable and decayed before a black hole could form. By the time only stable
asked by qwerty 
Astronomy
Where did CMB radiation originate? (a) It is the radiation from the electroweak phase transition when the weak force was spon taneously broken by the Higgs mechanism. (b) It is radiation from supernovas in the early Universe that produced the heavier
asked by qwerty 
Astronomy
How do we image dark matter? (a) We see light from galaxies behind the bullet cluster that is bent (gravitationally lensed) due to the matter (regular and dark) in the bullet cluster. (b) We see light from the gas in the two bullet cluster galaxies and we
asked by qwerty 
Astronomy
Now imagine you’re an astronomer on Earth looking at the spectrum of an object in space. In the spectrum you are looking for the socalled Lyman alpha line of hydrogen which occurs at a wavelength of = 122 nm. In your telescope, you observe the Lyman
asked by qwerty 
Astronomy
Which of the below statements about the CMB are true? (i) The “hot” and “cold” spots are areas where photons have slightly more or less energy than average. (ii) It shows that the Universe was accelerating at the time the CMB formed, thus measuring
asked by qwerty 
Astronomy
What were the relative energy densities in the early Universe? (below, DE means dark energy) (a) They remain roughly equal: rad ∼ mat ∼ DE (b) DE > mat > rad (c) rad > mat > DE (d) mat > rad > DE
asked by qwerty 
Astronomy
The Universe is filled with a frozen in Higgs condensate. If this were to suddenly disappear/evaporate, what would happen? (a) All bound matter—nucleons (made of quarks), nuclei (made of nucleons), atoms (made of nuclei and electrons), people (made of
asked by qwerty 
Astronomy
What percentage of the energy budget do electrons occupy? Take the energy budget occupied by matter to be 4.4%. (a) 3.9% (b) 0.1% (c) 0.03% (d) 0.002%
asked by qwerty 
Math
There are X number of people living in a house.three less than four times the number of people is forty one .how many people lives in the house?
asked by Kirandeep 
Astronomy
How the asymmetry between matter and antimatter in our Universe might be generated. Why might neutrinos be a key player in achieving this? (a) We already know neutrinos can morph from one neutrino type to another. It is possible, although not certain,
asked by qwerty 
Emily
1.)Dylan has $2.30 and dimes and nickels The number of dimes exceeds the number of Nichols by five find the number he has a each. 2.) A coin purse contained $4.70 in Nickels and quarters there are 30 Coins in all how many of each kind of there. 3.)
asked by Anonymous 
Math
Twice the sum of a number and 4 is equal to 22. What is the number?
asked by Kirandeep 
ALGEBRA 2 help please would appreciate
x x _____  _____ = x^2+9 ________ x+3 x3 X^29 solve for x. and check answer thank you show work please
asked by lisa 
Math
There are X number of leaves on a fig branch .two more than 0.25x is six.how many leaves are on the fig branch?
asked by Kirandeep 
Chemistry
according to the balanced chemical equation 2SO2
asked by lanony(please help) 
aLGEBRA 2 help please would appreciate
X over X+3 subtract X over X3 = X^2 + 9 over X^2 9 solve for x. show all work thank you
asked by lisa 
world geography
Imagine you are an elected official with the responsibility of drafting legislation designed to protect our environment. What items will you include in your bill? Who will be responsible for the bill's implementation? Its enforcement
asked by Tiffanie 
Algebra / geometry
In the box shown at the right, what is th length of the dashed line? There is a picture of a cube with a dashed line going through it diagonally. On top of the box a side is marked 12cm, on the side 8cm, and bottom 9cm.
asked by Taylor95 
Math
Accentuate the Negative. This is Charlene, Angeliques' Nana. Please show me How I can get to the correct answer. [80 + 2] = N
asked by Angelique 
physics
Help please ! been stuck on this for hours. A model rocket blasts off and moves upward with an acceleration of 13m/s^2 until it reaches a height of 25m , at which point its engine shuts off and it continues its flight in free fall. 1) What is the maximum
asked by Melissa 
Chemistry moles
How do I determine the number of hydrogen atoms in .0885 mol Tetracarbon decahydrogen?
asked by Lisa 
Science
How far does any object on Earth fall after being in free fall for 7.5 seconds? Remember g=9.81 m/s2
asked by Stephanie 
algebra1
the problem is 5f+7 less than or equal to 22. can anyone please work this out for me and check it for me? and what i mean by checking it is like when you get the answer you check it and make sure its write.
asked by erica 
algebra
multiply and simplify 7^3 X 7^9
asked by John 
math
Gaussian elemination back substitution x+2y+3z=5 2x+y+z=1 x+yz=8
asked by Anonymous 
pysics
A dockworker loading crates on a ship finds that a 17kg crate, initially at rest on a horizontal surface, requires a 71N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 57 N is required to keep it moving
asked by kassidy 
Geometry
What is the precision for 72 cm
asked by Dey 
Algebra
Please help! 1) 6x(14x) + 5(3x8) 2) 8(4+7n) + 6n(2n7) 3)4(3v+1)  8v(18v) 4)4x(7+5x)  8(x  7)
asked by Sue 
Algebra graphs
I had to find the distance between to locations on a graph which I did using the distance formula I got sqrt281 from point a (6,3) point b (10,9). The problem is each unit is approximately 1/8 of a mile. Now what? Round your answer to the nearest tenth of
asked by Taylor95 
4th grade math
Endangered species Group number clams 62 birds 14 more than clams mammals 9 fewer than birds fish 70 insects half as many as fish reptiles 21 fewer than insects snails 10 more than reptiles Write an inequality to compare the number of endangered birds and
asked by mythreyee 
Math
I've been having trouble with these four problems. Please help. 1)8n(6  7n) + 2(3n  8) 2)3k(8k  6)  5(8k + 8) 3) 5a(a  1)  (4a + 8) 4)4(b  3)  8(b  2)
asked by Lisette 
algebra
what is the advantage of having a magnetic bulletin board
asked by tad 
Science
An astronaut on a space walk bumps the shuttle and starts moving away at a velocity of 0.02m/s. The astronauts mass is 100kg. He has takes a 1kg "safety week" and shoves it away in exactly the direction of his motion at a speed of 6m/s. What speed does the
asked by Please help me. 
Physics
A bullet is ﬁred straight up from a gun with a muzzle velocity of 259 m/s. Neglecting air resistance, what will be its displacement after 8.9 s? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m. Please show work
asked by Eren 
us history
Which of the following is true of the SpanishAmerican War? A. Racial tensions were suspended for the duration of the war. B. About one in ten American soldiers were black. C. Black soldiers referred to black Cubans as "Smoked Spaniards." D. The black
asked by Sierra 
Physics 12
A flag of mass 2.5 kg is supported by a single rope as show in figure 13. a strong horizontal wind exerts a force of 12 N on the flag. Calculate the tension in the rope and the angel, the rope makes with the horizontal. here is the figure:
asked by Lola 
Developmental Psychology
What is the difference between internal and external validity?
asked by Debi 
Math Explanation problem
How does adding partial products help you solve a multiplication problem?
asked by Evan 
Physics
In a phsics experiment, a 1.3 kg dynamics cart is placed on a ramp inclined at 25 degrees to the horizontal. the cart is initially at rest but is then pulled up the ramp with a force sensor. the force sensor exerts a force on the cart parallel to the ramp.
asked by Lola 
Physics
In a phsics experiment, a 1.3 kg dynamics cart is placed on a ramp inclined at 25 degrees to the horizontal. the cart is initially at rest but is then pulled up the ramp with a force sensor. the force sensor exerts a force on the cart parallel to the ramp.
asked by Lola 
Statistics
The soccer team's shirts have arrived in a big box and people start grabbing them. The box contains 7 medium, 12 Large, and 11 extralarge shirts. What is the probability that the first 4 shirts are all extra large? I have been struggling with the problem
asked by Nick 
Math help!
1.(g + 4)  3g = 1 + g 1 4 No solution Identity 2. 5y + 2 = 1/2(10y + 4) 5 10 No solution Identity 3. 0.5b + 4 = 2(b + 2) 0 0.5 No solution Identity 4. 3x + 5 = 3x + 10 5/6 5/6 No solution Identity My answers: 1. 1 2. Identity 3. 0 ??? Not sure 4. No
asked by Charlotte 
Math
The Johnsons have accumulated a nest egg of $27,000 that they intend to use as a down payment toward the purchase of a new house. Because their present gross income has placed them in a relatively high tax bracket, they have decided to invest a minimum of
asked by Joe 
MATH
1/4 + 3/4 = 1 4/9  1/9 = 1/3 Are my answers correct
asked by AMERICAL 
math
Suppose there are 100 rabbits on an island and that the rabbit population can triple every halfyear. Write an equation you could use to find the number of rabbits, R, after t, years. Using your equation, determine the amount of rabbits on the island in
asked by Monica 
Algebra
The base of rectangle is 3cm more than twice the height the perimeter is 60cm find the base and height of the rectangle
asked by Raman 
math
The probability that Mary will do her math homework is 0.6, that she will go to a movie 0.7 and that she will do neither is .2. What is the probability that she will go to a movie and do her homework?
asked by Anonymous 
Math
A total of 68 awards will be given to the soccer team. Each box holds 8 awards. How many awards are in the partially filled box?
asked by Alyssa 
maths
Find the distance between –1 and 1.
asked by Anonymous 
Math
Suppose you copy the Circe using a size factor of 150% what will be the radius ,diameter ,circumference and the area of the image
asked by Mandy. 
Math
There are 62 students in a football league. How many teams of 6 can they make.
asked by Erica 
physics
This is an example question which I have the answer to but can not seem to get the same answer through my workings, any help with the equation would be great. A particular task exposes the operator to alpha radiation at an average dose of 200 ìGy each
asked by sarah 
Math
My math homework question stated : Jaske completed a marathon race in 3 hours and 12 minutes. Write Jakes running time as a decimal. Am I correct. Thanks Answer 3.12
asked by AMERICAL 
Physics
A car makes a 288 km trip at an average speed of 31.3 km/h. A second car starting 1 h later arrives at their mutual destination at the same time. What was the average speed of the second car for the period that it was in motion? Answer in units of km/h
asked by alison 
physics
Simpson drives his car with an average veloc ity of 49.7 km/h to the east. How long will it take him to drive 150 km on a straight highway? Answer in units of h
asked by alison 
math
write each addiction vertically. decide which new groups you will make. then add to see if you were correct. 256+1.273 A new ten? A new hundred? A new thousand?
asked by sara 
Statistics
In an Intro Stats class, 57% of students eat breakfast in the morning and 80% of students floss their teeth. Fortysix percent of students eat breakfast and also floss their teeth. What is the probability that a student from this class flosses his/her
asked by Lisa 
Physics
How much time would Simpson save by in creasing his average velocity to 65.8 km/h to the east? Answer in units of min
asked by alison 
Algebra 1
31=86p7p Can you show work
asked by Jynessa 
Math
A marching band has 36 members. What arrangement could they use in order to have equal numbers of players in each row?
asked by Anonymous 
Algebra maths
The base of rectangle is3cm than twice the height. The perimeter is 60cm find the base and height of a rectangle
asked by Raman 
Astronomy
Basically the ``Bohr radius'' for the dark matter is rB=ℏ^2 / GN M m^2 where m is the dark matter mass, M is the total amount of dark matter mass contained inside the ``gravitational atom'', and ℏ and GN are constants as usual. Taking the dark matter
asked by qwerty 
Physics
If Joe rides south on his bicycle in a straight line for 29 min with an average speed of 14.8 km/h, how far has he ridden? Answer in units of km
asked by alison 
adv algebra hw
Let x,y,z be positive real numbers such that: xyz=945 x(y+1)+y(z+1)+z(x+1)=385. What is the minimum possible value of z+y/2+x/4?
asked by bob 
6th grade grammar
I'm getting confused on finding prepositional phrases. Can you check my homework, please? Directions: Put a 'P' above the preposition. Circle object of preposition. Put a 'M' above any modifiers. Put () around prepositional phrase. 1. After we cut the
asked by Alex 
maths
1.[x + 3] = 2x + 1 A. 2 B. 4/3 C. 2, 4/3 D. 2, 4/3 2.[2x – 7] = 3 A. 5, 2 B. 5, –2 C. –5, 2 D. –5, –2 can someone explain for me plzzzzz.
asked by Anonymous 
math
Given the set (1,2,3,4,5) how many 3digit numbers can be formed if the first digit is 5 and no digit is repeated?
asked by sam 
math
The probability of rolling an even number of a die and drawing a red marble from a bag containing 3 red marble and 5 green marbles must be expressed as a reduced fraction of the form a/b what is the value of a and b?
asked by sam 
Math
Write the sentence as a proportion. Then solve the proportion * d is to 4 as 32 is to 56
asked by Helen 
aLGEBRA 2 help please would appreciate
X over X+3 subtract X over X3 = X^2 + 9 over X^2 9 solve for x. show all work thank you
asked by lisa 
social justice
What is the fundamental difference between lifestyle branding and past forms of branding?
asked by  
Physics
A car accelerates uniformly from rest to a speed of 23.9 km/h in 8.2 s. Find the distance it travels during this time. Answer in units of m
asked by Jason 
social justice
how do you think globalization relates to the kind of large multinational corporations?
asked by  
Physics
A boy sledding down a hill accelerates at 1.24 m/s2 . If he started from rest, in what distance would he reach a speed of 8.88 m/s? Answer in units of m
asked by Brandon 
Physics
An elevator is moving upward 1.17 m/s when it experiences an acceleration of 0.33 m/s2 downward, over a distance of 0.75 m. What will its ﬁnal speed be? Answer in units of m/s
asked by Kev 
physics
A car enters the freeway with a speed of 6.4 m/s and accelerates uniformly for 2.9 km in3.4 min. How fast is the car moving after this time? Answer in units of m/s
asked by Randall 
Math
Round each decimal number to the nearest hundredth. 1. 8.456 answer 8.460 2. 3.262 answer 3.260 3. 8.902 answer 8.900 4. 6.551 answer 6.550 5. 7.843 answer 7.840 6. 9.479 answer 9.480 7. 12.007 answer 12.010 8. 10.502 answer 10.500 9. 0.052 answer 0.050
asked by Cassidie 
math
Researchers discovered a large group of krill that was more than 30,000 feet long.About how long is 30,000 feet measured In the number of krill .
asked by nayla 
physics
After 10.3 s, a jogger’s displacement is 360 m. What is the average velocity in m/s? Answer in units of m/s part 2 What is the average velocity in km/h? Answer in units of km/h
asked by alison 
science
in each duagram a black circle represents a[particle of salt . white circle represents particles of water. which diageram coorecctly showws a solution
asked by maria 
Algebra please help!
I had to find the distance between to locations on a graph which I did using the distance formula I got sqrt281 from point a (6,3) point b (10,9). The problem is each unit is approximately 1/8 of a mile. Now what? Round your answer to the nearest tenth of
asked by Taylor95 
prealgebra
Can you help
asked by Ethan 
Algebra (Steve!)
In the box shown at the right, what is th length of the dashed line? There is a picture of a cube with a dashed line going through it diagonally. On top of the box a side is marked 12cm, on the side 8cm, and bottom 9cm.
asked by Taylor95 
Chemistry
Convert 355.3 kg to tons. I start the problem: 355.3 kg to 1 kg then 1 x 10 to the third power, then I have 1g. My problem is that I don't know what to do with my 1 g. What is the next step?
asked by Rachel 
Math
A yard measures a x b feet the swingset space is a x c feet how much lawn is left after swing set
asked by Lisa 
Algebra 1
6.4+2.1(z2)=8.5 Can you show the work
asked by Jynessa 
Fair DivisionApportionment
I have to do a problem where : a) Find the standard division d b) Find the exact quotas for each of the republics c) Find the apportionment of seats using Hamilton's method The info is REPUBLIC: Argh Brwd Chrd Dstyr Eoia Population:7.65 4.45 8.52 9.98 6.51
asked by Lynne 
World History
Which of the following is not a reason for the collapse of classical empires? A. Small size of empire B. Large size of empire C. Invasions D. Diseases I know invasions is not the correct answer.
asked by Anonymous 
Geography
Name the state capitals the Seattle Seahawks will fly over en route to circle city ________ _ _ ; _________ _ _ P.s. HELP I have a bunch of questions!
asked by Mia 
math (could you please help steve?)
How many distinct ways are there to label the faces of a cube with distinct numbers from 1 to 6, such that there is at least one pair of opposite faces which do not sum to 7? Rotations (which preserve orientation) are considered the same way. Reflections
asked by Anonymous 
math
Sally and Marta had the same number of postcards. After Sally sold 18 of her postcards, Marta had 4 times as many postcards as Sally. How many postcards did each girl have to begin with?
asked by Leah 
2nd Grade REading
I need a website that will give me ideas on how I can tutor my kids in Reading, Spelling and Pronouncing of words. But I need it to be in a manner that is fun and simple.
asked by Qiayamah 
Math
At the bake sale,pies were cut 8pieces and sold by the slice. At the and of the sale, there were 11 pieces left. How much pie is left? Write your answer in different way.
asked by Anonymous 
Government
Did the Taney court increase the power if the states
asked by Anonymous 
Algebra Maths
A local company is hiring trainees with less than 1 year of experience and managers with 5 or more years of experience. Solve the inequality and graph the solutions?
asked by Raman 
algebra 1
The sum of four consecutive integers is decreased by 30, the result is the fourth integer. Find the four integers.
asked by Tracy 
Algebra 1
what is the value of x in the rectangle Perimeter=24 meters the side is (x+3) The bottom is 2x
asked by Katie 
social justice
what is the difference in older forms of corporate censorship and how it looks today?
asked by  
Physics
A 2.0 mm diameter copper ball is charged to +42 nC. What fraction of its electrons have been removed? The density of copper is 8,920 kg/m3
asked by Caitlin 
Nfl
The Detroit lions will cruise to their game by sailing north on the  river across lake   Up the   river across lake  through the straits of  a Ross the north end of lake  around the tip of the door peninsula and
asked by Mia 
Chemisry
The amount of I3–(aq) in a solution can be determined by titration with a solution containing a known concentration of S2O32–(aq) (thiosulfate ion). The determination is based on the net ionic equation Given that it requires 32.9 mL of 0.330 M
asked by DeJanee 
Math Fractions with negatives
1. 1/6+5/7=6/7 2. 3/10+3/10=3/5 3. 2/9+(4/9)=2/9
asked by Jerald 
physics
0.5 mol of salt (NaCl) is dissolved in 4.5 mol of water. What is the increase in entropy
asked by karim 
algebra
2/8=x+2/72
asked by jill 
physics
If a woman lifts a 16.2 kg bucket from a well and does 6.33 kJ of work, how deep is the well? Assume that the speed of the bucket remains constant as it is lifted.
asked by Chris 
Math with mixed numbers
4. 2 1/6+8 3/6= 10 2/3 5. 2 4/5+(2/5)= 3 1/5 6. 3 3/8+6 5/8=10
asked by Jerald 
Physics
Note: The lefthand mass is equal to the sum of the other two masses. A massless pulley is attached to the ceiling,in a uniform gravitational field, and rotates with no friction about its pivot. Another massless pulley is attached to the end of the cord on
asked by DW 
Algebra 1
23=2x+(x+3)+x I know the answer is 5 but I don't know how to show the work.
asked by Katie 
Physics
A block of mass 2.30 kg is pushed 2.38 m along a frictionless horizontal table by a constant 16.0 N force directed 26.9o below the horizontal. Determine the work done by the applied force. Determine the magnitude of the normal force exerted by the table.
asked by Chris 
Math
Not good with estimate here the question 24678 divided by 83
asked by Jasmine 
algebra
A video store charges a monthly fee of 7.50, but the charge to rent each movie is only 1.00 per movie. Another store has no membership fee, but it costs 2.50 to rent each movie. How many movies need to be rented each month for the total fees to be the same
asked by jill 
Physics
A 0.568 kg particle has a speed of 1.57 m/s at point A and kinetic energy of 7.67 J at point B. What is its kinetic energy at A? What is its speed at point B? What is the total work done on the particle as it moves from A to B?
asked by Chris 
math
On a blueprint in which 2 inches represent 5 feet, the length of a room mesure 7 1/2 inches. The actual length of the room is?
asked by kate rapp 
Maths
Can someone please help me 12>and equal to 24x
asked by Alana 
chemistry
For another picnic, you want to make hamburgers with pickles, again without having any left over. You need to balance the number of packages of buns (which usually contain 8 buns) with the number of packages of hamburger patties (which usually contain 12
asked by Anonymous 
physics
The drawing shows a 25.1kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, 1 and 2, are applied to the crate, and it begins to move. The coefficient of kinetic friction between the crate and the
asked by help please 
Math
6. 3 3/8+6 5/8=10 7. 11/143/14= 8/14 8. (1/8)5/8=3/4 9. 4/1210/12=1/2
asked by Jerald 
Math
Celsius to farenhet Find Celsius when it's 4 Fahrenheit
asked by John 
Physics
You are holding a bulletin board weighing 7.01 N in place against a wall while your friend secures it to the wall. To keep it from slipping, you apply a force perpendicular to the bulletin board, pressing it directly into the wall. How large must this
asked by Erica 
math
Find the measure of the largest acute angle in a 51213 triangle.
asked by Bre 
Physics
Two identical cars (m = 1350 kg) are traveling at the same speed of 28.1 m/s. They are moving in the directions shown in the drawing. What is the magnitude of the total momentum of the two cars?
asked by Megan 
Math
Fahrenheit is 4 what is Celsius
asked by John 
Math
Solve for area of a trapezoid A= h(b1+b2) 2 Solve for b1
asked by John 
Math
Sum of 2 consecutive integers is 59. Write an equation that models that situation and find values of both integers
asked by John 
US History
What political influences shaped the governments of the British Colonies
asked by Julia 
Math
Length of a rectangle is 5 cm less than twice its width. The perimeter of the rectangle is 26 cm
asked by John 
Math
1. Yesterday Josh sold some boxes of greeting cards. If he sold 25 boxes in all, how many did he sell yesterday? 2. Jana baked some muffins. After she served 13 of them to her friends at brunch, she had 17 left. How many muffins did she make? 3. A scuba
asked by Carmen 
Math
21. 1/12 (7/12)= 2/3 22. 9/20(7/20)=4/5 23. 8 9/106 1/10= 2 4/5 24. (8 6/11)(2 5/11)= 7 25. (4 5/8)3/8= 4 1/4
asked by Jerald 
Math
Eight more than a number divided by 5
asked by Cs 
social justice
what are some of the social and economic consequences globally due to the shift to lifestyle branding?
asked by alyssa 
Chemistry
A 0.3146g sample of a mixture of NaCl(s) and KBr(s) was dissolved in water. The resulting solution required 47.40 mL of 0.08765 M AgNO3(aq) to precipitate the Cl–(aq) and Br–(aq) as AgCl(s) and AgBr(s). Calculate the mass percentage of NaCl(s) in the
asked by DeJanee 
Math
A customer needs 88 ,2 inch pipe connectors to Complete a project. How many Bags of connectors would you recommend the customer purchase if each bag includes 25 connectors
asked by Kim 
Math
A customer needs 88 ,2 inch pipe connectors to Complete a project. How many Bags of connectors would you recommend the customer purchase if each bag includes 25 connectors
asked by Kim 
physics
what is the difference between impact distance and horizontal distance?
asked by g 
Math
What is an algebraic expression for "49 more than q"
asked by Kaitlyn 
American History
What does the Constitution not list the reserved powers of? The choices are Congress, President, state government, or national government
asked by Jack 
Math
Lindsey has 47 coins in her change purse that are either dimes or quarters. If n represents the number of quarters she has,write an expression in terms of n that describes the number of dimes
asked by Kaitlyn 
Math
Write an algebraic expression for "55 more than the product of 134 and n"
asked by Kaitlyn 
Physics
A particular task exposes the operator to alpha radiation at an average dose of 200 ìGy each time the task is performed. If the company needs the task performed once per day over a 250day working year and the maximum occupational dose limit is 20mSv per
asked by Sarah 
Physics
I am having a bit of trouble with this one. A safety harness is connected to a cable with a report breaking stress of 800MNm2. What mass could be hung from a harness if the diameter of the cable was 6mm? Any help would be great with the formula
asked by Violet 
physics
A cyclist maintains a constant velocity of 7 m/s headed away from point A. At some initial time, the cyclist is 259 m from point A. What will be his displacement from his starting position after 82 s? Answer in units of m
asked by lexy 
physics
A player is standing 12 meters to the right of a lamppost. He starts to walk with a constant acceleration of 2 m/s2 towards the lamppost. After 6 seconds, how far will the player be from the lamppost in meters?
asked by Athremist 
physics
A player is standing 12 meters to the right of a lamppost. He starts to walk with a constant acceleration of 2 m/s2 towards the lamppost. After 6 seconds, how far will the player be from the lamppost in meters?
asked by Athremist 
math
What are The fraction from least to greatest. 1/4, 0.7, 3/5
asked by faye 
math
What are The fraction from least to greatest. 1/4, 0.7, 3/5
asked by faye 
physics
A cyclist maintains a constant velocity of 7 m/s headed away from point A. At some initial time, the cyclist is 259 m from point A. What will be his displacement from his starting position after 82 s? Answer in units of m
asked by lexy 
8th Grade Physical Science
Calculate the density of a sample of gas with a mass of 30 g and volume of 7500 cm3.
asked by kirt