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Questions Asked on September 5, 2011

A bike first accelerates from 0.0 m/s to 5.0 m/s in 4.5 s, then continues at this constant speed for another 4.5 s. What is the
1. 9 answers
2. asked by lindsey
3. 16,723 views
Your friend has slipped and fallen. To help her up, you pull with a force F, as the drawing shows. The vertical component of
1. 1 answer
2. asked by Dwight
3. 7,629 views
A turtle is at the bottom of a 12 foot well. Each day it crawls up 3 feet, but each night it slips back 2 feet. After how many
1. 1 answer
2. asked by Jenna
3. 7,185 views
Which civilizations were likely to have contact with each other?Why?_answer: Indus valley and Shang because they are close
1. 5 answers
2. asked by mike
3. 6,458 views
What is Delta H rxn for the following chemical reaction?H2O(l) + CCl4(l)-> COCl2(g) + 2HCl(g)
1. 2 answers
2. asked by Rachel
3. 5,181 views
A stone falls from a railroad overpass which is 36 ft high into the path of a train which is approaching the overpass with a
1. 5 answers
2. asked by Stone
3. 4,649 views
A parachutist descending at a speed of 19.6m/s loses a shoe at an altitude of 41.6 m. What is the velocity of the shoe just
1. 2 answers
2. asked by Bethany
3. 3,277 views
my ones digit is 5 more than my tens digit. i am greater than 25 and less than 35
1. 9 answers
2. asked by dalton
3. 3,097 views
Calculate the pH of the resulting solution if 21.0 mL of 0.210 M HCl(aq) is added toa) 26.0 mL of 0.210 M NaOH(aq) b) 31.0 mL of
1. 2 answers
2. asked by Ada
3. 2,996 views
Karen shouts across a canyon and hears an echo 3.1 s later.How wide is the canyon? The speed of sound is 343 m/s. Answer in
1. 1 answer
2. asked by Lilli
3. 2,969 views
a novice pilot sets a plane's controls, thinking the plane will fly at 2.5X10^2 km/h to the north. if the wind blows at 75 km/h
1. 3 answers
2. asked by Amanda
3. 2,919 views
Need help solving this problem.A 0.188g sample of unknown metal, X (s), produced 71.4ml of hydrogen gas when reacted with HCl
1. 2 answers
2. asked by Louis
3. 2,802 views
A particle starts from xi = 10 m at t0 = 0 and moves with the velocity graph shown in the graph below.Sorry for no graph it's at
1. 1 answer
2. asked by Kaitlyn
3. 2,477 views
The marketing department of Jessi Corporation has submitted the following sales forecast for the upcoming fiscal year (all sales
1. 1 answer
2. asked by kim
3. 2,325 views
A stone is tossed vertically into the air from ground level with an initial velocity of 15 m/s. Its height at time t is
1. 1 answer
2. asked by terra
3. 2,050 views
Liquid sodium can be used as a heat transfer fluid. It's vapor pressure is 40.0 torr @ 633 degrees C and 400.0 torr @ 823
1. 2 answers
2. asked by Keith
3. 2,047 views
A helicopter is lifting off from the ground and is moving vertically upward. The graph shows its vertical velocity vy versus
1. 3 answers
2. asked by Kyle
3. 1,994 views
Prepare 500mL of a 0.200 M acetate buffer at pH 4.90 using only pure acetic acid, 3M NaOH, and water.1) Add acetic acid to
1. 1 answer
2. asked by Ryn
3. 1,954 views
A passenger on a stopped bus notices that rain is falling vertically just outside the window. When the bus moves with constant
1. 1 answer
2. asked by cassie
3. 1,858 views
An airport has runways only 132 m long. A small plane must reach a ground speed of 40 m/s before it can become airborne.What
1. 1 answer
2. asked by carissa
3. 1,841 views
A 0.1358g zinc metal reacts completely with Dil HCL to produce 52.20ml of H2(g) at 22.0 degrees Celsius. The hydrogen gas is
1. 1 answer
2. asked by Kathy
3. 1,772 views
How many cubic centimeters of olive oil have the same mass as 1.30 L of gasoline? Olive oil 0.92g/mL, gasoline 0.66g/mL
1. 2 answers
2. asked by Sammy67
3. 1,768 views
I'm going crazy please help me outpart 1 of 2 Determine the mass of anhydrous copper(II) sulfate that must be used to prepare
1. 2 answers
2. asked by ninzyy
3. 1,628 views
the two crates 40-kg and 60-kg are to be accelerated upward to a ship at the rate of 0.30-m/s2 determine the tension in each
1. 3 answers
2. asked by Lord
3. 1,550 views
In the manufacturing of computer chips, cylinders of silicon are cut into thin wafers that are 2.80 inches in diameter and have
1. 1 answer
2. asked by Jennifer
3. 1,523 views
Most enzymes in the human body work best at 37 degrees Celsius, Imagine scientists have discovered an enzyme in the body that
1. 1 answer
2. asked by Bryce
3. 1,517 views
POINTS A, B, AND C ARE COLLINEAR. IF AB=7AM AND BC =13CM WHAT IS AC ANSWER
1. 1 answer
2. asked by BIAO
3. 1,396 views
Hi, did I do these correctly? Thank you-1. ¿Qué te gusta hacer? Me gusta nadar y andar en patineta. 2. ¿Te gustan los
1. 1 answer
2. asked by Jackson
3. 1,379 views
Can you give me a list of science fair topics something that relates art (lik markers blah blah blah)i want to do something kool
1. 2 answers
2. asked by Gen
3. 1,377 views
Hi, did I do these correctly? Thank you-1. ¿Qué te gusta hacer? Me gusta nadar y andar en patineta. 2. ¿Te gustan los
1. 2 answers
2. asked by Jackson
3. 1,364 views
WHAT IS 90 OUT OF 270?ROUND TO THE NEAREST TENTH OF A PERCENT?
1. 2 answers
2. asked by Anita
3. 1,358 views
Could someone please check the first one and help me with the second one. I'm stuck-Thank you1.What are theroots of the
1. 4 answers
2. asked by Tabitha
3. 1,336 views
Afarmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle. Wht is the maximum area
1. 7 answers
2. asked by Nikayla
3. 1,323 views
Consider the following multiple regression results. Using a= .05 as the significance level, identify all statistically
1. 1 answer
2. asked by GG
3. 1,289 views
What points, or grades averge in order to pass the 7th grade ???i'm just asking so that way i can know
1. 2 answers
2. asked by Gen
3. 1,288 views
FIND EACH ESTIMATE:1) A RARE TRUFFLE ONCE SOLD FO $13.20 FOR A 0.44 OZ CAN. APPROXIMATELY HOW MUCH WOULD 1LB OF THIS TRUFFLE
1. 9 answers
2. asked by MARCO
3. 1,260 views
Answer Check...A 3.00L sample of gas was collected over water at 45 degrees Celsius. The wet gas exerts pressure of 1.50atm.
1. 1 answer
2. asked by Kathy
3. 1,247 views
An equilibrium mixture of propanoic acid, CH3CH2COOH and its conjugate base has a pH of 4.87. What form predominates after H3O+
1. 1 answer
2. asked by Ada
3. 1,185 views
if sinA+sinB=x and cosA-cosB=y then find tan[(A-B)/2]
1. 3 answers
2. asked by diviya
3. 1,161 views
How do you say the class of economics and the class of anatomy in Spanish.I think it is la clase de economis y la clase
1. 4 answers
2. asked by Shannon
3. 1,156 views
From t = 0 to t = 5.00 min, a man stands still, and from t = 5.00 min to t = 10.0 min, he walks briskly in a straight line at a
1. 1 answer
2. asked by Natalie
3. 1,152 views
A balloon is filled with helium gas at 23 degrees C. The balloon expands until the pressure is equal to the atmospheric pressure
1. 1 answer
2. asked by Ronnica
3. 1,144 views
ABCD is a trapezoid. If AC is equal to 8x - 3 and BD is equal to 2x + 9, find the value of x so that ABCD is isosceles.
1. 3 answers
2. asked by Anonymous
3. 1,121 views
This is a good paragraph (i'll xplain)On the Line below, explain how you determined the type the type of quardrilateral ploted
1. 4 answers
2. asked by Gen
3. 1,121 views
How did the social unrest of the 1960s take root in the 1950s?
1. 1 answer
2. asked by Mary
3. 1,118 views
what kind of math journals, essays, & projects you guys do in 7th grade math???i'm really curious i saw the grading policy 2 my
1. 2 answers
2. asked by Lily
3. 1,117 views
Answer check: I got 1.66 x 10^3 g O2A steel cylinder contains 98.0 moles of oxygen gas at a temperature of 38 degrees C and a
1. 1 answer
2. asked by Lola
3. 1,116 views
Which of the following statements about the outer membrane of Gram-negative cell wall is FALSE?A. The outside leaflet is largely
1. 0 answers
2. asked by Sham
3. 1,106 views
Will i get a lot of homework in middle skoo ?????here r my classes Math F.A.C.S. Art Sci English Content Support 7c Gym Social
1. 3 answers
2. asked by Jenny
3. 1,080 views
Sponge bob notices that his pal Gary is suffering form slimotosis , which occurs when the shell develops a nasty slime and gives
1. 3 answers
2. asked by Aja
3. 1,079 views
simplifyz-(2z-[3z-(4z-5z)-6z0-7z]-8z
1. 1 answer
2. asked by babygirl
3. 1,066 views
Could you use only the millions period to order 462,409,524 463,409,524 and 463,562,391
1. 3 answers
2. asked by Reina
3. 1,065 views
is bullying is the main theme for The Skin I'm In ???if it not the only one then r they any other theme for it
1. 3 answers
2. asked by Jess
3. 1,055 views
A movie theater seats 400 people. For any particular show, the amount of money the theater makes is a function m(n) of the
1. 1 answer
2. asked by hannah
3. 1,037 views
Is this a run on or complete sentence?The desert is very hot during the day, the temperature in the desert may drop below
1. 1 answer
2. asked by Kelly
3. 1,030 views
The area of a rectangle is 54 centimeters squared. The side lengths are 2x+1 and x+2. What is the measure of each side
1. 1 answer
2. asked by Edith
3. 1,014 views
A drawer contains 22 black socks, 22 white socks, 22 blue socks, and 22 brown socks. If the light is off and Matt reaches into
1. 1 answer
2. asked by Bianca
3. 1,013 views
Find the distance between P1(3, –195°) and P2(–4, –94°) on the polar plane. Round your answer to the nearest thousandth.
1. 2 answers
2. asked by Jack
3. 1,011 views
3. In dissent, Justice Harlan wrote the "real meaning" of the railcar segregation law was to suggest that "colored citizens are
1. 0 answers
2. asked by Elizabeth
3. 1,006 views
How many oxygen atoms are in 6.70 g of Al2(SO4)3? Express your answer using scientific notation with two decimal places.
1. 2 answers
2. asked by Andres
3. 997 views
POINTS A,B,AND CARE COLLINEAR .IF AB=7CM AND=13CM, WHAT IS AC'S ANSWERS
1. 2 answers
2. asked by BIAO
3. 988 views
The radius of the Iron atom is 124 pm. How many of these will span a distance of 50.5 m..
1. 0 answers
2. asked by megan
3. 977 views
Mr Ahmad starts work at 11.40 on Tuesday.He works for 12h45min.When does Mr Ahmad finish his work?Express your answer usering
1. 1 answer
2. asked by kimi
3. 972 views
Find the rectangular coordinates of (7, 30°)
1. 2 answers
2. asked by McKenzie
3. 955 views
Cesium 138 has a half life equal to 32.2 minutes. how long will it take for 2/4 of this sample to decay
1. 1 answer
2. asked by christine
3. 953 views
Salary Contracy - A union contract guarantees a 10% salary increase yearly for 3 years. For a current salary of $28.00, the
1. 0 answers
2. asked by CeeCee
3. 918 views
The area of a rectangular athletic field is represented by the expression48x^4+32x^3-72x square meters. Write an algebraic
1. 0 answers
2. asked by donnice
3. 915 views
Optional AssignmentSearch the internet for an example of the power or politics in an organization, identify how it has been used
1. 1 answer
2. asked by beth
3. 886 views
A cuboid has a square base of side 18cm.The height of the cuboid is 10.4cm.Find its volume
1. 2 answers
2. asked by kimi
3. 883 views
What are the stages of language production? Which one of these stages is the most crucial? Why?This is what I have thus far:
1. 4 answers
2. asked by Linda
3. 873 views
Determine how much heat is evolved or absorbed when 40.0 g of lithium iodide completely dissolves in water.
1. 0 answers
2. asked by Sara
3. 856 views
I tried to summarize briefly Scotland's history. Can you please have a look at it? Which form is correct: in 9th century/in the
1. 1 answer
2. asked by Henry2
3. 837 views
A student opens a mathematics book to two facing pages. The product of the page numbers is 2352. Find the page numbers.
1. 4 answers
2. asked by Nikayla
3. 825 views
Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two
1. 2 answers
2. asked by Dani
3. 804 views
The Roper Organization conducted identical surveys 5 years apart. One question asked of women was Are most men basically kind,
1. 1 answer
2. asked by Dave
3. 800 views
Ok i have a Summer Math Assignment & i really need help on this qs.it's part B of the qs. so i'll show you the whole thing Part
1. 5 answers
2. asked by Gen
3. 776 views
How many times will the incident beam shown in Figure P25.3 (x = 1.10 m, y = 1.80 m) be reflected by each of the parallel
1. 0 answers
2. asked by nish
3. 770 views
Suppose line PQ has endpoints P(2,3) and Q(8,-9). Find the coordinates of R and S so that R lies between P and S and line PR is
1. 1 answer
2. asked by Jeremy
3. 767 views
The x vector component of a displacement vector has a magnitude of 104 m and points along the negative x axis. The y vector
1. 1 answer
2. asked by Dwight
3. 761 views
Answer Check Please...A compund contains only hydrogen and nitrogen and is 12.6% hydrogen by mass. A gaseous sample of the
1. 1 answer
2. asked by Kathy
3. 747 views
Can you please check these sentences I corrected myself on the basis of your suggestions?1) On that particular night, unlike the
1. 1 answer
2. asked by Henry2
3. 727 views
Write the rectangular equation in polar form.(x – 4)2 + y2 = 16
1. 2 answers
2. asked by Tim
3. 725 views
the sides of a triangle are in the ratio 3:4:5.what is the length of each side if the perimeter of the triangle is 78cm?
1. 1 answer
2. asked by briana
3. 721 views
H2O is the same thing as HOH correct?Does it matter which one you use in a Double Replacement Reaction? To me personally, HOH is
1. 1 answer
2. asked by Sam
3. 716 views
z-[2z-[3z-(4z-5z)-6z-7z)-8z
1. 0 answers
2. asked by babygirl
3. 712 views
the plane has seats for 420 passengers 15% of the seats are empty how many passangers are on the plane?
1. 2 answers
2. asked by teemo
3. 691 views
ABCD is a parallelogram. Find x and y using the following information:AB = 5x - 2y DC = 4 AD = y BC = 5 - x
1. 1 answer
2. asked by Alexis
3. 688 views
two boys on ice skates hold a rope between them. One is heavier than the other. The light weight boy pulls on the rope. how will
1. 3 answers
2. asked by neil
3. 671 views
What do you do at computer club (school club) ????i'm just asking cause i'm also joining that club this yr check the school's
1. 2 answers
2. asked by Gen
3. 664 views
a set of building block includes various shapes and colors. If 10% of the blocks are cubes, then 40% of the cube blocks are red
1. 1 answer
2. asked by Ti
3. 664 views
Suppose you have two 100-{\rm mL} graduated cylinders. In each cylinder there is 58.5mL of water. You also have two cubes: One
1. 2 answers
2. asked by Jennifer
3. 653 views
What are the multiplication combinations for 180?
1. 7 answers
2. asked by andy
3. 637 views
The width of a rectangle is 2ft less than the length. The area is 8ft^2.Find the length and the width.The width is__ ft. The
1. 3 answers
2. asked by Nikayla
3. 630 views
A farmer walks into a store and heads for the counter. On the counter is a basket of hard-boiled eggs. The farmer says to the
1. 4 answers
2. asked by Audrey
3. 623 views
Salary Contracy - A union contract guarantees a 10% salary increase yearly for 3 years. For a current salary of $28.00, the
1. 1 answer
2. asked by CeeCee
3. 622 views
In each of the following, order decimals from least to greatesta.24,9419, 24.942, 24,94189, 24.94199 b.-34.25, -34.251, -34.205,
1. 1 answer
2. asked by Aisha
3. 621 views
mercury has a density of 1.36x10^4 kg/m. what is the density of mercury in units f g/cm?
1. 2 answers
2. asked by amira
3. 620 views
The label on a 1-pint bottle of mineral water lists the following components. If the density is the same as pure water and you
1. 0 answers
2. asked by Jennifer
3. 618 views
the breaking strength of a cable known to be normally distributed with a mean of 4000kg and a standard deviation of 25kg.The
1. 0 answers
2. asked by shruti
3. 616 views
I left out a few more sentences I wrote on castles. I need a synonym for "ways, way" and a revision of sentence 2. Thank you
1. 2 answers
2. asked by Henry2
3. 616 views

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