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Questions Asked on September 8, 2010

A bus travels 280 km south along a straight path with an average velocity of 88 km/h to the south. The bus stops for 24 min.
1. 7 answers
2. asked by Jasmine
3. 14,860 views
Vivian is walking to the hairdresser's at 1.3 m/s when she glances at her watch and realizes that she is going to be late for
1. 5 answers
2. asked by Karina
3. 9,515 views
Describe the ways in which the earth's spheres overlap each other?
1. 28 answers
2. asked by peyton
3. 8,109 views
a school bus takes 0.530 h to reach the school from your house. If the average velocity of the bus is 19.0 km/h to the east,
1. 2 answers
2. asked by Jasmine
3. 4,874 views
If EF = 2x – 12, FG = 3x – 15, and EG = 23, find the values of x, EF, and FG. The drawing is not to scale.
1. 3 answers
2. asked by angel
3. 3,963 views
A solution that contains 55.0 g of ascorbic acid (Vitamin C) in 250. g of water freezes at −2.34°C. Calculate the molar mass
1. 1 answer
2. asked by Diana
3. 3,904 views
Naturally occurring iodine has an atomic mass of 126.9045. A 12.3849 -g sample of iodine is accidentally contaminated with
1. 5 answers
2. asked by Mely
3. 3,481 views
a brain weighing 1.0 Ib occupies a volume of 620 ml. What is the specific gravity of the brain?
1. 5 answers
2. asked by Kate
3. 3,244 views
use exponential notation to express the number 480 in 3 significant figures and 4 significant figures
1. 2 answers
2. asked by mathew
3. 3,233 views
a sled and rider with a combined weight of 60kg are at rest on top of a hill 12m high.what is the total energy at the top of the
1. 2 answers
2. asked by LESLIE
3. 2,662 views
for the reaction ZnO + 2HCl yields ZnCL2 + H2O, what is the maximum amount of ZnCl2 which could be formed from 17.24 grams of
1. 6 answers
2. asked by Jordyn
3. 2,209 views
Heather and Matthew walk with an average velocity of 0.98 m/s eastward. If it takes them 34 min to walk to the store, what is
1. 2 answers
2. asked by Jasmine
3. 2,204 views
If a particle moves in simple harmonic motion with a frequency of 3.00 Hz and an amplitude of 5.00 cm through what total
1. 1 answer
2. asked by James
3. 2,051 views
A log is floating on swiftly moving water. A stone is dropped from rest from a 84-m-high bridge and lands on the log as it
1. 1 answer
2. asked by Randy
3. 1,944 views
A solution is prepared by dissolving 5.00g of an unknown molecular solid in water to make 500 ml of solution. The osmotic
1. 2 answers
2. asked by James
3. 1,935 views
An electron starting from rest acquires 4.20 keV of kinetic energy in moving from point A to point B. How much kinetic energy
1. 1 answer
2. asked by VJC
3. 1,860 views
How long does it take an automobile traveling in the left lane of a highway at 65.0 km/h to overtake (become even with) another
1. 4 answers
2. asked by Anonymous
3. 1,761 views
Describe the ways in which the earth's spheres overlap each other?
1. 8 answers
2. asked by peyton
3. 1,724 views
A ball is thrown upward from the top of a building which is 96ft tall w/ Initial velocity of 80 ft per sec.Distance s(ft) of
1. 5 answers
2. asked by Amy~
3. 1,590 views
If 2100 square centimeters of material is available to make a box with a square base and an open top, find the largest possible
1. 3 answers
2. asked by HELLLLLPPPPP
3. 1,579 views
In the absence of air resistance two balls are thrown upward from the same launch point. Ball A rises to a maximum height above
1. 3 answers
2. asked by Brantley
3. 1,573 views
At what projection angle will the range of a projectile equal to 3 times its maximum height?
1. 2 answers
2. asked by ami
3. 1,570 views
The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 360 grams and a standard
1. 1 answer
2. asked by Shon
3. 1,557 views
heights of young adult u.s women are approximatelynormal with mean 64 inches and standard deviation 2.7 inches. What proportion
1. 4 answers
2. asked by Diana
3. 1,516 views
Calculate the magnitude of the electric field at the center of a square with sides 22.4 cm long if the corners, taken in
1. 1 answer
2. asked by VJC
3. 1,489 views
Find each uniform continuous probability.a. P(X < 10) for U (0, 50) b. P(X > 500) for U (0, 1,000) c. P(25< X < 45) for U(15,
1. 2 answers
2. asked by Shon
3. 1,429 views
In the course of research, a chemist isolates a new compound with an empirical formula C3H3O2. 4.97 g of the compound when
1. 1 answer
2. asked by Diana
3. 1,425 views
In 1998, the population of a given country was 37 million, and the exponential growth rate was 5% per year. Find the exponential
1. 1 answer
2. asked by Sallie
3. 1,394 views
What mass of water (in grams) is needed to dissolve 28.7 g of ammonium nitrate NH4NO3 in order to prepare a 0.452 m (molal)
1. 2 answers
2. asked by Diana
3. 1,394 views
How many joules (J) are needed to increase the temperature of15.0g of lead from 20 degrees celsius to 40 degrees celsius?
1. 2 answers
2. asked by Amber
3. 1,354 views
a rock is dropped off a bridge. How fast is it moving when it hits the water 2.5s later?
1. 1 answer
2. asked by josh
3. 1,350 views
what is the city and continent name of these :34° S and 58° W 34° S and 18° E 51° N and 0° 30° N and 31° E 40° N and
1. 2 answers
2. asked by Eliza
3. 1,288 views
Use Newton's method to approximate a root of the equation 3sin(x)=x as follows.Let x1=1 be the initial approximation. The second
1. 3 answers
2. asked by HELLLLLPPPPPPP
3. 1,227 views
1. Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas
1. 1 answer
2. asked by Sydney
3. 1,216 views
A surveyor measures the distance across a straight river by the following method. Starting directly across from a tree on the
1. 1 answer
2. asked by mo
3. 1,153 views
In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 14.8
1. 0 answers
2. asked by Morgan
3. 1,153 views
Simplify. Your answer should contain only positive exponents.(when a number is between *__* its an exponent) 5y*-5* - -------
1. 1 answer
2. asked by lisa
3. 1,150 views
Could you check these please? Firewood is usually sold by a measure known as a cord. A full cord may be a stack 8x4x4ft or a
1. 5 answers
2. asked by TiffanyJ
3. 1,129 views
Use Newton's method to approximate a root of the equation 3sin(x)=x as follows.Let x1=1 be the initial approximation. The second
1. 1 answer
2. asked by HELLLLLPPPPP
3. 1,117 views
1) Your are planning to spend no less than $8000.00 and no more than $12,000 on your landscape projecta) Write an inequality
1. 4 answers
2. asked by Sydney
3. 1,116 views
cheryl,rita and four of their friends go to a movie and share equally a 48-ounce bag of popcorn and three 48-inch licorice
1. 6 answers
2. asked by jgb
3. 1,111 views
Which of the following statements about boiling points are false:A. the boiling point of 0.1 m KF(aq) is lower than the boiling
1. 2 answers
2. asked by Timothy
3. 1,107 views
From her bedroom window a girl drops a water-filled balloon to the ground, 4.3 m below. If the balloon is released from rest,
1. 2 answers
2. asked by John
3. 1,083 views
You are planning to spend no less than $8000. and no more than 12,000 on your landscaping project. Write an inequality that
1. 3 answers
2. asked by Donna
3. 1,042 views
The expression 9a + 6s is the cost for a adults and s students to see a musical performance.a. Find the total cost for three
1. 3 answers
2. asked by amy
3. 1,038 views
Please help me interpret this-I'm in 8th grade and I don't have any idea:What is the main idea? Read the following quote from
1. 5 answers
2. asked by Erik
3. 1,020 views
shoud i add a predicate or a subject to this sentence this baseball team.
1. 1 answer
2. asked by abby
3. 1,011 views
A bike accelerates from 0.0 m/s to 4.1 m/s in 6 s. What distance does it travel?thanks for the help
1. 1 answer
2. asked by david
3. 1,004 views
A 0.50-KG BLOCK INITIANALLY ON A REST ON A FRICTIONLESS HORIZONTAL SURFACE IS ACTED UPON BY A FORCE OF 8.0N FOR A DISTANCE OF
1. 2 answers
2. asked by LESLIE
3. 1,003 views
How is the number of zeros in the quotient in 180 divided by 8 equals 20 related to the bumber zeros in the dividen?
1. 1 answer
2. asked by Matthew
3. 1,002 views
sooo confusing... 6. (¼ + 7/8)(9/13)A81/13 B17/104 C81/104 D17/29 E17/13 F17/25 7. [6(2+1) -6(1+1)] / [6(4-2) - 22 ] A3/2 B3/4
1. 6 answers
2. asked by whitney
3. 992 views
A student purified a 3.88 g sample of phthalic acid by recrystallization from water. The published solubility of phthalic acid
1. 3 answers
2. asked by Anonymous
3. 976 views
Population distribution describes the ________.?a) immigration of people from one nation to another b) wanderers who move from
1. 1 answer
2. asked by pam
3. 960 views
What average force is required to stop an 1700 kg car in 7.0 s if the car is traveling at 75 km/h?
1. 2 answers
2. asked by Ariel
3. 958 views
Okay, I just need the steps for simplifying this type of radical:5 -- 3√2 thats all one problem. thanks!
1. 0 answers
2. asked by Kendra
3. 957 views
How can I rewrite this? Please.He liked shooting things. (A). and wrestling with his father. (B) hammering things, smashing
1. 2 answers
2. asked by Lily
3. 956 views
What is the speed of a 680 eV electron?What is the speed of a 3.50 keV electron?
1. 1 answer
2. asked by VJC
3. 955 views
what is the verbal scale for the menan buttes map? I could not find it.thanks!
1. 1 answer
2. asked by natana
3. 913 views
Find the value of the following.10^(-10log3) The log exponent is confusing me. Could someone please help me? Thanks.
1. 3 answers
2. asked by Ed
3. 890 views
A long jumper jumps at a 45 degree angle towards the right bank which is 10.0 m away horizontally and 2.5 m vertically below.
1. 9 answers
2. asked by Bob
3. 888 views
Translate to English:Combien de notes aurez-vous pour votre projet de recherche? I've tried this on translating sites, but the
1. 9 answers
2. asked by Marie
3. 887 views
Express as a sum, difference, and product of logarithms, without using exponentslog b sqrt x^3y^2/z9
1. 0 answers
2. asked by Sallie
3. 885 views
This year, a nations long run equilibrium real gdp and price level both increase. which of the following combinations of factors
1. 3 answers
2. asked by aimee
3. 885 views
During the last 365 days it was sunny 5 days less than 4 times the number of rainy days. How many days did it rain?
1. 2 answers
2. asked by Alicia
3. 878 views
Suppose you are given a list of solutions (all with nonvolatile solutes) and their concentrations. You pick out the one with the
1. 1 answer
2. asked by Megan
3. 877 views
Determine whether the curve has a tangent at the indicated point.f(x)= sin x 0<x<3pi/4 cos x 3pi/4<x<2pi at x = 3pi/4
1. 3 answers
2. asked by Hannah
3. 873 views
can someone please review my answers to the questions below and let me know if they seem correct?Review the four paragraphs
1. 10 answers
2. asked by chris
3. 863 views
In "A White Heron," how does Sarah Jewett portray Sylvia's attitude about money
1. 2 answers
2. asked by Anonymous
3. 855 views
¿Cuales artículos corresponden con las siguientes palabras? (Which articles correspond with the following words? Watch out for
1. 8 answers
2. asked by whitney
3. 850 views
Could someone help with the main idea of this paragraph? Please and thank youOld Man Warner snorted. 'Pack of crazy fools," he
1. 3 answers
2. asked by Joel
3. 845 views
Which of the following volumes are equivalent to 125 cm3?1.25 dL 125 mL 0.0125 L
1. 1 answer
2. asked by Danielle
3. 838 views
There are solubility rules and for soluble compounds some have exceptions next to them.Such as Halides are soluble Exception:
1. 1 answer
2. asked by Amy~
3. 827 views
Your electronic friend needs a 20 ohms resistor but has only 40 ohms resistor. He tells you that he can combine them to produce
1. 1 answer
2. asked by Christy
3. 826 views
A spherical balloon expands when it is taken from the cold outdoors into a warm house. If the surface area increases by 50%
1. 1 answer
2. asked by Johnny
3. 819 views
An electric field of 630 V/m is desired between two parallel plates 15.9 mm apart. How large a voltage should be applied?
1. 1 answer
2. asked by VJC
3. 814 views
What is the main idea of this? Please help-I'm terrible in english-Five score years ago, a great American, in whose symbolic
1. 2 answers
2. asked by Samantha
3. 812 views
Balancing redox reactionsBalance in acid solution 1. PH3+ I2 -> H3PO4 + I- 2. ClO3- + Cl- -> Cl2 Balance in basic solution Se ->
1. 0 answers
2. asked by Joseph
3. 802 views
If 2100 square centimeters of material is available to make a box with a square base and an open top, find the largest possible
1. 1 answer
2. asked by kwack
3. 795 views
For a given square matrix A the predicted values of matrix B are:predicted B=A(A'A)^(-1)A'B why is the matrix C=A(A'A)^(-1)A' an
1. 2 answers
2. asked by Lisa
3. 793 views
I was wondering if anyone could help me with these questions. I have put what I feel are the correct answers. Please let me know
1. 3 answers
2. asked by BB
3. 787 views
1) A 3-fold degenrate subshell can carry a maximum number of how many electrons?
1. 1 answer
2. asked by kabelo
3. 786 views
i cannot figure any of this stuff out. please help. if you can there are 15 more of these...1. Simplify 5 + (7-1)2/6 A11 B41/6
1. 2 answers
2. asked by whitney
3. 783 views
A truck is stopped at a stoplight. When the light turns green, it accelerates at 2.2 m/s2. At the same instant, a car passes the
1. 4 answers
2. asked by cameron
3. 783 views
Use the fact that the speed of light in a vacuum is about 3.00 x 10^8 m/s to determine how many kilometers a pulse from a laser
1. 2 answers
2. asked by Alex
3. 769 views
Find each uniform continuous probability and sketch a graph showing it as a shaded area.. If you please show me how you got the
1. 0 answers
2. asked by Shon
3. 767 views
1.A(an)_________________ barometer Has a closed space surrounded by metal2.A(an)_________________ barometer Has a glass tube
1. 5 answers
2. asked by Dani
3. 765 views
A jetliner, traveling northward, is landing with a speed of 65 m/s. Once the jet touches down, it has 785 m of runway in which
1. 1 answer
2. asked by bethany
3. 761 views
What forces are opposing on one another throughout the life of a star and how do they influence the various stages in the life
1. 1 answer
2. asked by cassi
3. 741 views
(8w+5)/(10w-7) = (4w-3)/(5w+7)How would I solve this?
1. 2 answers
2. asked by Amy~
3. 740 views
on one day the value of $1.00 was equal to 0.77 euro or $1.24 Canadian. Write a function to represent the value of Canadian
1. 2 answers
2. asked by Jessica
3. 736 views
An experiment consists of flipping a coin 3 times and noting the number of times that a heads is flipped. Find the sample space
1. 0 answers
2. asked by Amber
3. 733 views
what subshells would be found in the shells with n=3 and n=4?how many orbitals are there in a g subshell?
1. 1 answer
2. asked by kabelo
3. 731 views
1. A number leaves remainder 6 when divided by 10. What is the remainder when the number is divided by 5? Justify your
1. 1 answer
2. asked by len
3. 729 views
karen saves her change and has dimes nickels and pennies totaling $4.52. If there is 1 more dime than three times the number of
1. 1 answer
2. asked by cool kid
3. 725 views
Why is it that a computer monitor or a TV screen can produce millions of colors using only the 3 primary additive colors?Likewis
1. 1 answer
2. asked by Anonymous
3. 719 views
the worlds largest capital city and the country where it is located
1. 2 answers
2. asked by katherine
3. 719 views
HELP PLEASE!!??what does the question mean by Compare the event to one or more similar events. When comparing, use at least
1. 2 answers
2. asked by smb
3. 718 views
Saturn is 6 times further from the Sun than Mars. Define a variable and write and expression for the distance of Saturn from the
1. 2 answers
2. asked by James
3. 708 views
An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the
1. 0 answers
2. asked by gabe
3. 707 views
Suppose that the position of a nation's long-run aggregate supply curve has not changed, but its long-run equilibrium price
1. 0 answers
2. asked by amber
3. 705 views

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