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Questions Asked on September 22, 2011

Follow the steps provided in the simulation to add water to the graduated cylinder, select one of the three samples (copper,
1. 6 answers
2. asked by fatimah
3. 8,546 views
a student drops a ball from a window 3.5m above the sidewalk. the ball accelerates at 9.80m/s^2. How fast is it moving when it
1. 2 answers
2. asked by meghan
3. 8,456 views
Find the distance traveled in 45 seconds by an object traveling at a velocity of v(t) = 20 + 9cos(t) feet per second.
1. 1 answer
2. asked by Anonymous
3. 7,423 views
One night the King couldn't sleep, so he went down into the Royal kitchen, where he found a bowl full ofmangoes. Being hungry,
1. 4 answers
2. asked by PLEASE HELP
3. 7,414 views
Calculate Delte G Knot for H20(g) + 1/2 O2 <-> H2O2(g) at 600. K, using the following data:H2(g) + O2(g) <-> H2O2 (g) K = 2.3 X
1. 3 answers
2. asked by Summer
3. 5,925 views
Find f(3) and f'(3), assuming that the tangent line to y=f(x) at a=3 has the equation y=5x+2
1. 4 answers
2. asked by Anonymous
3. 5,880 views
A mixture of carbon and sulphur has a mass of 9.0 g. Complete combustion with excess oxygen gives 22.6 g of a mixture of carbon
1. 2 answers
2. asked by KB
3. 4,773 views
An arrow is shot at a 30 degree angle with the horizontal. It has a velocity of 49m/s. The acceleration of gravity is 9.8 m/s2.
1. 2 answers
2. asked by Dani
3. 3,691 views
A power station is on one side of a river that is 0.5 mile wide, and a factory is 5.00 miles downstream on the other side of the
1. 3 answers
2. asked by Angel
3. 3,360 views
A bike accelerates from 0.0m/s to 4.0m/s in 4s. what distance does it travel?
1. 5 answers
2. asked by meghan
3. 3,196 views
Find the dy/dt for each pair of functions y=x^2-5x , x=t^2+3
1. 1 answer
2. asked by Kia
3. 3,175 views
A 2.0-N force acts horizontally on a 10-N block that is initially at rest on a horizontal surface. The coefficient of static
1. 1 answer
2. asked by kelly
3. 2,791 views
Two cars are traveling along a straight line in the same direction, the lead car at 26 m/s and the other car at 40 m/s. At the
1. 1 answer
2. asked by Anonymous
3. 2,722 views
Miguel has 325 baseball cards and 272 football cards. He said that he has 597 cards in all. Is his answer reasonable? Explain
1. 4 answers
2. asked by Nelson
3. 2,392 views
Yancy collects plastic banks. He has three different banks: a pig, a cow, and a horse. How many ways can Yancey arrange his
1. 6 answers
2. asked by Anonymous
3. 2,336 views
Which of the following shows estimating 287 + 491 by using compatible numbers?
1. 4 answers
2. asked by kris
3. 2,240 views
The length of a piece of cloth is 8y m.Mr Lim cut 7 m from it to sew some cushion covers.Then,he cut 3y m to sew a curtain.The
1. 2 answers
2. asked by kimi
3. 2,203 views
A 1.250 g sample of copper wire was heated in air and reacted with oxygen to give 1.565 g of copper oxide product. Calculate the
1. 3 answers
2. asked by Monique
3. 2,192 views
A tree grows 2.80 m during the first year since it was planted. During each subsequent year the tree's growth is 85% of its
1. 3 answers
2. asked by Anonymous
3. 2,188 views
Each of 25 adult women was asked to provide her own height (y), in inches, and the height of her father. The scatterplot below
1. 1 answer
2. asked by gate
3. 2,124 views
a.What advantages does ligroin have over n-pentane as a recrystallization solvent?b. What advantages foes ethanol have over
1. 3 answers
2. asked by laura
3. 1,968 views
1.) The development of an animal follows which of the following growth sequences?a. cells, organs, tissues, organ systems b.
1. 3 answers
2. asked by Kelsi
3. 1,838 views
Lithium iodide has a lattice energy of -7.3x10^2kj.mol and heat of hydration of -793kj.mol. Find the heat of solution for
1. 1 answer
2. asked by Cassie
3. 1,729 views
Can anyone find any poetic devices in this poem?(metaphors, similes, personification, etc) AMBITION BY DES WALSH Once upon a
1. 1 answer
2. asked by Leanne
3. 1,723 views
Redox ReactionsCl2 + Co 2--> Cl- + Co2+ species oxidized? species reduced? oxidizing agent? reducing agent? As the reaction
1. 2 answers
2. asked by Jasonious
3. 1,708 views
Which of the following species exhibits resonance if all the formal charges are minimized?a. OF2 b. N2 c. PCl5 d. ClO3- e. BrF3
1. 1 answer
2. asked by icecream
3. 1,668 views
What is the greatest restriction on appeals in the United States?a. the refusal by state appeals court judges to grant even a
1. 1 answer
2. asked by Jenaan
3. 1,655 views
Rafael wrote the statements shown in the chart.Statement 1 Description If a point lies outside a line, then exactly one plane
1. 2 answers
2. asked by Anonymous
3. 1,654 views
a uniform ladder 16 m long weighing 80 N leans against a smooth vertical wall, making 30 degree with the wall. Find the thrust
1. 3 answers
2. asked by chris
3. 1,636 views
plot the given points in a coordinate plane.then determine whether the line segments named are congruent.A(2,2),B(2,-1),C(0,-2),
1. 2 answers
2. asked by sarena
3. 1,607 views
1.0000 g of hydrate of stannic chloride with unknown formula is heated to 100C (celsius) for 30 minutes. The remaining anhydrous
1. 3 answers
2. asked by anomimo
3. 1,597 views
an object is launched from ground level with an initial velocity of 400 feet per second. To the nearest tenth off a second, how
1. 3 answers
2. asked by Alex
3. 1,593 views
find the density of the two rocks. The jagged rock has a mass of 56 grams. this rock therefore has a density of ?
1. 3 answers
2. asked by Anonymous
3. 1,590 views
A toy rocket, launched from the ground, rises vertically with an acceleration of 23 m/s^2 for 11 s until its motor stops.Disrega
1. 0 answers
2. asked by Vanessa
3. 1,567 views
A box sits on a horizontal wooden board. The coefficient of static friction between the box and the board is 0.22. You grab one
1. 1 answer
2. asked by abbie
3. 1,536 views
used video games cost $25each. write an algebraic expression to find the cost of m video games
1. 3 answers
2. asked by mercy
3. 1,523 views
An antelope has traveled 1.60 km at avg speed of 67.0 km/h. The antelope speed during the first half of the distance is 88km/h.
1. 1 answer
2. asked by JP
3. 1,450 views
A drag racer crosses the finish line of a 400.0-m track with a final speed of 104 m/s. (a) Assuming constant acceleration during
1. 1 answer
2. asked by John
3. 1,401 views
Natalie has 138 dvds and 419 cds. If you were to estimate the sum of the dvds and cds, what sentence could you write? Then find
1. 3 answers
2. asked by Michael
3. 1,355 views
Three forces act on the object.A 3- N force acts due west, and 4-N force acts due south.If the net force on the object is zero
1. 1 answer
2. asked by rally
3. 1,343 views
A person pushes a 23.4-kg shopping cart at a constant velocity for a distance of 31.1 m on a flat horizontal surface. She pushes
1. 0 answers
2. asked by Hannah
3. 1,325 views
A batted baseball leaves the bat at an angle of 35.0 degrees above the horizontal and is caught by an outfielder 370 ft. from
1. 1 answer
2. asked by yesenia
3. 1,317 views
On December 31 of last year, Wolfson Corporation had in inventory 400 units of its product, which cost $21 per unit to produce.
1. 2 answers
2. asked by Mary
3. 1,309 views
What is the perimeter of PQR with vertices P(–2, 9), Q(7, –3), and R(–2, –3) in the coordinate plane?
1. 1 answer
2. asked by mike
3. 1,280 views
With regard to bringing solutes into the cell across the plasma membrane, discuss the advantages and disadvantages of diffusion,
1. 1 answer
2. asked by Anonymous
3. 1,279 views
Can you check my answers. Label the simple subject(SS) and simple predicate(SP)1. The artists had less wall space to paint on.
1. 1 answer
2. asked by Reed
3. 1,273 views
Problem 13.185A 9.13 kg sphere A of radius 90 mm moving with a velocity magnitude v(0)= 2 m/s strikes a 830 g sphere B of radius
1. 0 answers
2. asked by Kate
3. 1,257 views
The point (-5/12) is on the terminal side of an angle theta in standard position. Find Sin theta, cos theta and tan theta Thank
1. 0 answers
2. asked by Lauren
3. 1,242 views
concentrated sulfuric acid has a density of 1.84 g/ml. calculate the mass in grams of 1.00 liter of this acid.how to solve this?
1. 2 answers
2. asked by hw help ASAP
3. 1,239 views
Use compatible numbers to estimate. 212 + 347 = 83 + 34 =
1. 2 answers
2. asked by maria
3. 1,234 views
Sun-Yi estimated 270 + 146 and got 300. Is her estimate reasonable? Explain.
1. 6 answers
2. asked by Nelson
3. 1,225 views
I left out the following two sentences. Thank you very much.1) My sister is in her second year a university. 2) My sister just
1. 1 answer
2. asked by Henry2
3. 1,215 views
A ball is thrown horizontally from the roof of a building 59.0 tall and lands 27.4 from the base. What was the ball's initial
1. 0 answers
2. asked by alexis
3. 1,186 views
rationalize denominator and simplify:v/...| is square root (v/5))/(v/15)) please help
1. 1 answer
2. asked by cody
3. 1,168 views
With an average acceleration of -.56 m/s2, how long will it take a cyclist to bring a bicycle with an initial speed of 13.3 m/s
1. 1 answer
2. asked by julia
3. 1,166 views
during which war was the Emancipation Proclamation issued£¿
1. 1 answer
2. asked by jennifer white
3. 1,165 views
An arrow is shot at a 30 degree angle with the horizontal. It has a velocity of 49m/s. The acceleration of gravity is 9.8 m/s2.
1. 0 answers
2. asked by Dani
3. 1,140 views
a crystal in the shape of a cube is growing in a labatory. estimate the rate at which the surface area is changing with respect
1. 0 answers
2. asked by navroz
3. 1,138 views
An arrow is shot at a 30 degree angle with the horizontal. It has a velocity of 49m/s. The acceleration of gravity is 9.8 m/s2.
1. 0 answers
2. asked by Dani
3. 1,132 views
circle the better benchmark to estimate the number of photos on an album page. 5 or 25
1. 1 answer
2. asked by Anonymous
3. 1,112 views
(time given is the total time in the air)During a baseball game, a batter hits a high pop-up. If the ball remains in the air for
1. 0 answers
2. asked by Vanessa
3. 1,108 views
Pure gold has a density of 19.32 g/cm3.How large would a piece of gold be if it had a mass of 483 g?
1. 0 answers
2. asked by Chris
3. 1,107 views
dan is 12 inches taller than jay. use X for jay's height. which expression shows dan's height?
1. 2 answers
2. asked by Jade
3. 1,106 views
Use interval notation to indicate where f(x) is continuous.f(x)= 7x^8-5x^4+4
1. 1 answer
2. asked by Bob
3. 1,096 views
a 2kg block of iron is given 10kj of energy and its temperature rises by 10c. what is the specific heat capacity of iron?
1. 2 answers
2. asked by sue
3. 1,063 views
Jill ley took out a loan to pay for education for $60,000. would be repay back in 8 years with the interest of 6% what will be
1. 1 answer
2. asked by carol
3. 1,062 views
circle the better benchmark to estimate the number of players on a baseball team. 10 or 100
1. 1 answer
2. asked by Anonymous
3. 1,060 views
write a biconditional for:the moon is the largest satellite of Earth.
1. 2 answers
2. asked by David
3. 1,050 views
Use compatible numbers to estimate. 329 + 64 =
1. 2 answers
2. asked by maria
3. 1,050 views
An airplane needs at least 145 meters of runway to take off. If the plane starts from rest and accelerates uniformly to a
1. 1 answer
2. asked by John
3. 1,048 views
A florist wants to see if product x will extend the life of cut flowers so that they last longer. What is the independent
1. 1 answer
2. asked by da
3. 1,048 views
Given sin theta = -3/5 and 0 is in quad 2, find Cos theta and tan theta
1. 1 answer
2. asked by Betty
3. 1,043 views
The Mongols have a terrible reputation in history as pillagers who destroyed all that met their path. How does this depiction of
1. 3 answers
2. asked by mel
3. 1,041 views
Understanding the difference between fixed and variable costs, what area of a health care facility or physician practice do you
1. 0 answers
2. asked by Moon
3. 1,038 views
is it possible that the points a, b,c are collinear but AB + BC not equal AC
1. 1 answer
2. asked by LISA
3. 1,031 views
What are contrasting metaphors for marriage?
1. 1 answer
2. asked by Anonymous
3. 1,026 views
Given handbook std enthalpies of formation at 298K for C5H10 (liq)=-105.9 kJ/mol and C5H10 (g)=-77.2 kJ/mol, estimate the normal
1. 1 answer
2. asked by Holly
3. 1,011 views
A rectangular plot of ground having dimensions 24 feet by 26 feet is surrounded by a walk of uniform width. If the area of the
1. 2 answers
2. asked by Anonymous
3. 1,009 views
Two sides of a triangle are equal. The third side is 5 inches longer than the one with equal sides. What is the length of the
1. 1 answer
2. asked by Ck
3. 1,001 views
what is y+19=9 plz help me i don't understand this im in 7th grade >.>
1. 7 answers
2. asked by someone
3. 998 views
Round to the nearest hundred to estimate the sum. 76 + 487 =
1. 4 answers
2. asked by dy
3. 988 views
st andrews golf course in st andrews scotland is one of the oldest courses in the world. it is an 18-hole course that consists
1. 1 answer
2. asked by snow
3. 987 views
How many degrees are there between the equator and the southern tip of Greenland? My answer is 60 degrees. Is this correct? Can
1. 1 answer
2. asked by Reed
3. 986 views
In mathematical language, Newton's Law of Gravity expresses the force of gravity, F, between two objects in the following way:F=
1. 1 answer
2. asked by Adam
3. 979 views
In a class of 28 sixth graders, all but one of the students are 12 years old. Which two measurements are the same for the
1. 2 answers
2. asked by kayla jenkins
3. 977 views
The number of people who donated to a certain organization between 1975 and 1992 can be modeled by the equationD(t)=-10.61t^(3)+
1. 2 answers
2. asked by Angel
3. 965 views
Form a polynomial, f(x) with real coefficients having the given degree and zeros. Degree: 4 ; Zeros: 4i and 5iReally need help!
1. 1 answer
2. asked by Mary
3. 959 views
Solve 3(3-8x)+5<2(9+6x)Use set builder notion to describe the solution? I got x=9/31 is this correct???
1. 1 answer
2. asked by katie
3. 955 views
Complete the puzzle below with words that fit the meaning and end in the tch pattern.a)move with slight,quick jerks _ _ itch
1. 13 answers
2. asked by Yasemen
3. 939 views
Starting from rest, a 1.7x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts
1. 0 answers
2. asked by Hannah
3. 925 views
a hockey puck is sliding freely across a pound of friction ice. What is the free-body diagram?
1. 0 answers
2. asked by adilene
3. 923 views
A car accelerates from 0 to 60 miles per hour in 6.5 seconds. Determine the distance traveled in this time and the acceleration.
1. 1 answer
2. asked by Jen
3. 906 views
The person in the drawing is standing on crutches. Assume that the force exerted on each crutch by the ground is directed along
1. 1 answer
2. asked by Anonymous
3. 901 views
A pendulum swings through an arc length of 1120 cm (Swing #1). With each further swing, the arc length is reduced by 15 %State
1. 10 answers
2. asked by Anonymous
3. 891 views
A tennis ball is thrown vertically upward with an initial velocity of +7.0 m/s.What will the ball’s velocity be when it
1. 1 answer
2. asked by Vanessa
3. 886 views
I really do need help finding Science Fair Ideas. Hellppppppp Meeee!!!! Oh yeah I'm in 5th grade!! I need help finding Science
1. 1 answer
2. asked by Jesse Ariel Parker
3. 877 views
if you live 71 mi from a river does it make sense to say you live about 80 mi from the river
1. 1 answer
2. asked by aaliyah
3. 865 views
A window washer drops a brush from a scaffold on a tall oﬃce building.What is the speed of the falling brush after 2.48 s?
1. 0 answers
2. asked by Vanessa
3. 846 views
This is a choose the best answer question:The location of protein synthesis in eukaryotic cells is the a)nucleus. b)cytoplasm.
1. 2 answers
2. asked by Kara
3. 843 views
A 49.5-g golf ball is driven from the tee with an initial speed of 41.9 m/s and rises to a height of 29.7 m. (a) Neglect air
1. 0 answers
2. asked by Hannah
3. 837 views

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