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Questions Asked on March 7, 2011

To move a large crate across a rough floor, you push on it with a force at an angle of 21 below the horizontal, as shown in the
1. 2 answers
2. asked by Randy
3. 5,944 views
When you push a 1.82-kg book resting on a tabletop, it takes 2.30 N to start the book sliding. Once it is sliding, however, it
1. 1 answer
2. asked by Randy
3. 5,381 views
1. <11{1[1(19)19]}> All sages provide both wisdom and inspiration. Since Dasha’s speech contained wisdom and greatly inspired
1. 8 answers
2. asked by Crissy
3. 4,490 views
A curve has implicit equation x^2-2xy+4y^2=12a)find the expression for dy/dx in terms of y and x. hence determine the
1. 1 answer
2. asked by Matteo
3. 4,131 views
A lead atom has a mass of 3.40×10−22 g. How many lead atoms are in a cube of lead that has a volume of 1.40 cm^3 if the
1. 2 answers
2. asked by Vy
3. 3,908 views
The function A = A0e-0.01386x models the amount in pounds of a particular radioactive material stored in a concrete vault, where
1. 2 answers
2. asked by brad
3. 3,795 views
Conservationists argue that watershed protection and other ecological functions of forests are more economically valuable than
1. 4 answers
2. asked by MARYLANIZ
3. 3,641 views
A long straight horizontal wire carries a current I = 2.10 A to the left. A positive 1.00 C charge moves to the right at a
1. 2 answers
2. asked by Robert
3. 3,613 views
A brick staircase has a total of 16 steps The bottom step requires 112 bricks. Each successive step requires 4 fewer bricks than
1. 2 answers
2. asked by Amber
3. 3,471 views
A volume of 10.0 mL of a 0.00650 M solution of Cl- ions are reacted with 0.500 M solution of AgNO3. What is the maximum mass of
1. 3 answers
2. asked by Toni Jones
3. 2,865 views
What volume of 1.30 M SrCl2 is needed to prepare 525 mL of 5.00 mM SrCl2?
1. 1 answer
2. asked by Toni Jones
3. 2,323 views
a 250.0 ml buffer solution is 0.250 M in acetic acid and. 250M in sodium acetate. what is the ph after addition of. 0050 mol of
1. 2 answers
2. asked by Anonymous
3. 2,187 views
1. Calculate the number of calories needed to increase the temperature of 50.0 g of copper metal from 21.0 degrees C to 75.0
1. 1 answer
2. asked by Shona
3. 2,181 views
How many milliliters of 3.0 M NaOH are required to react with 4.0mL of 16.0 M HNO3? ---> Not sure if I am solving correctly but
1. 1 answer
2. asked by K
3. 2,109 views
The manager has one type of coffee that sells for $5 per pound and another type that sells for $11 per pound. The manager wishes
1. 1 answer
2. asked by Melanie
3. 2,094 views
How far will 490 Joules raise a block weighing 7 N?
1. 7 answers
2. asked by Morgan
3. 1,967 views
A skydiver jumps out of a plane. Does the mechanical energy of the jumper change while she is falling? Ignore the effects of air
1. 2 answers
2. asked by kasey guilanski
3. 1,954 views
Iron is obtained from iron ore according to the following reaction: Fe2O3+CO---> Fe+CO2 (unbalanced).a. Assuming the blast
1. 3 answers
2. asked by K
3. 1,941 views
How far will 490 J raise an 8 kg mass?
1. 4 answers
2. asked by Morgan
3. 1,872 views
Find the rate of change of area in respect to temperature of a rectangle.Its a steel plate that expands when heated. I have to
1. 2 answers
2. asked by Liz
3. 1,838 views
When NiCl2.6H2O dissolves in water, what does it form (i.e. balanced equation)?
1. 2 answers
2. asked by John
3. 1,811 views
Calculatedy dx . You need not expand your answer. y = (9x2 + x)(x − x2)
1. 1 answer
2. asked by Beth
3. 1,790 views
The angle of depression from the top of a 320 foot office building to the top of a 200 foot office building is 55degrees. How
1. 3 answers
2. asked by jennifer
3. 1,674 views
How much water do you need to add to 10 mL of a solution of HCl with a pH of 3 to change the pH to 6?
1. 1 answer
2. asked by Anonymous
3. 1,601 views
What is the change in kinetic energy of a baseball as it accelerates from rest to 45.0 m/s? The mass of a baseball is 145 grams.
1. 3 answers
2. asked by dina
3. 1,600 views
If = 58° and m = 120 in, what is the value of n to the nearest tenth of an inch?
1. 5 answers
2. asked by Josh
3. 1,586 views
Determine if Rolle's Theorem applies to the given function f(x)=2 cos(x) on [0, pi]. If so, find all numbers c on the interval
1. 1 answer
2. asked by Ky
3. 1,574 views
3. A 2.0-kg brick has the dimensions 7.5 cm „e 15 cm „e 30.0 cm. What is the pressure (in SI units) the brick exerts when
1. 1 answer
2. asked by Anonymous
3. 1,574 views
The Passionate Shepherd to His LoveCome live with me and be my love, And we will all the pleasures prove That valleys, groves,
1. 8 answers
2. asked by anthony
3. 1,521 views
What is the change in the gravitational potential energy of a Boeing 767 jet as it soars from the runway up to a cruising
1. 2 answers
2. asked by susan pristas
3. 1,503 views
To train for a race, Will begins by jogging 11 minutes one day per week. He increases his jogging time by 5 minutes each week.
1. 2 answers
2. asked by brad
3. 1,489 views
Driving in your car with a constant speed of 12 m/s, you encounter a bump in the road that has a circular cross-section.If the
1. 1 answer
2. asked by Randy
3. 1,473 views
A sign is in the shape of a rhombus with a 60° angle and sides of 2 cm long. Find the area of the sign to the nearest tenth.
1. 1 answer
2. asked by bob
3. 1,458 views
how to find the median of x,2x+1,x/2-13,45 and x+22 if the mean of this set of numbers is 83?
1. 1 answer
2. asked by brianna
3. 1,438 views
Please help check my answers to make sure they are correct. I used the "sinking fund payment and present value of an ordinary
1. 1 answer
2. asked by April
3. 1,433 views
A current loop in a motor has an area of 0.85 cm^2. It carries a 240 mA current in a uniform field of 0.62 T. What is the
1. 1 answer
2. asked by Robert
3. 1,396 views
what factors led to western expansion at the the? what other factors contributed to the expansion? how has the notion of
1. 1 answer
2. asked by belinda
3. 1,392 views
a rectangle has a width of 4 cm less than it's length. if a new rectangle is formed by increasing the width 5 cm and decreasing
1. 1 answer
2. asked by Bill
3. 1,371 views
the first side of a triangle measures 3 cm longer then the second side the third side is 4cm shorter then twice the second side
1. 2 answers
2. asked by Evan
3. 1,368 views
An antiproton (which has the same properties as a proton except that its charge is -e) is moving in the combined electric and
1. 2 answers
2. asked by Robert
3. 1,355 views
How would you prepare a 150.0mL of a 3.50 pH buffer solution using .500M NaOH and .500M HCOOH. I've gotten the base/acid ratio
1. 1 answer
2. asked by Israel
3. 1,338 views
How many milliliters of 3.0 M NaOH are required to react with 0.50g of Cu2+ to form Cu(OH)2?
1. 1 answer
2. asked by K
3. 1,301 views
A riverboat cruise line has a boat that can travel 76 mi downstream in the same time that it takes to travel 52 mi upstream. The
1. 2 answers
2. asked by Paula
3. 1,279 views
What mass of magnesium, Mg, contains the same number of atoms as 12g of Carbon, CCould you please show the method too Thanx :)
1. 3 answers
2. asked by Jannie
3. 1,231 views
How does management style influence the working environment at MTV
1. 1 answer
2. asked by Tarif
3. 1,230 views
1. I have a mother, father and brother.2. I have Mother, Father, and a brother. 3. I have mother, father, and a brother. 4. I
1. 1 answer
2. asked by rfvv
3. 1,213 views
Charlie pulls horizontally to the right on a wagon with a force of 37.2 N. Sara pulls horizontally to the left with a force of
1. 1 answer
2. asked by biana franz
3. 1,184 views
Find the distance around and the area of each figure. Round to the nearest tenth.quarter circle: 5 inches
1. 1 answer
2. asked by Mona
3. 1,182 views
Oil and gas companies want to drill in several parks, monuments, and wildlife refuges. Do you think this should be allowed? Why
1. 1 answer
2. asked by MARYLANIZ
3. 1,174 views
What impression do you have of multinational firms that have operations in multiple countries
1. 0 answers
2. asked by Anonymous
3. 1,159 views
A computer technician charges $40 for a house call and $38 per hour. The expression 40 + 38t is used to find the cost of a house
1. 2 answers
2. asked by Jay
3. 1,144 views
These factors hinder water quality improvement in Eastern Europe.1) carbon credits 2) cost 3) outdated systems 4) raw water
1. 8 answers
2. asked by Kaitlin
3. 1,138 views
greater potential energy a book lifted 1 meter off the ground or the same book lifter 10 meters off the ground
1. 1 answer
2. asked by jazmine
3. 1,108 views
I really have problems in correcting the grammar and choosing the proper synonyms in these sentences. I selected the six most
1. 2 answers
2. asked by Mike
3. 1,095 views
2.Children’s heights are normally distributed with a mean of 100 cm and a standard deviation of 6 cm. What proportion of
1. 0 answers
2. asked by Marie
3. 1,079 views
The diameter of a ferris wheel is 250 feet and θ is the central angle formed as Dave travels around the wheel. Dave starts his
1. 4 answers
2. asked by Roberta
3. 1,077 views
The Age of Jackson is often seen as a turning point in American politics, one where we turn from a politics where few could vote
1. 1 answer
2. asked by benjamin
3. 1,062 views
Part 1)A physical therapists wishes to determine whether an exercise program increases flexibility. He measures the flexibility
1. 1 answer
2. asked by Rob
3. 1,041 views
View Vincent van Gogh’s The Starry Night on p. 61 and Sol LeWitt’s WallDrawing No. 681 on p. 64 in Ch. 4 of A World of Art
1. 1 answer
2. asked by Carry
3. 1,039 views
Tim needs to apply 21/2 gallons of herbicide per acre of soybeans. How many gallons of herbicide are needed for 360 acres?A
1. 2 answers
2. asked by BUBBA
3. 1,032 views
tanx sin^2x capital sigma [0,2p]
1. 2 answers
2. asked by Bennett
3. 1,032 views
State whether the following sequence is arithmetic, geometric, or neither.4, 15, 26, 37, 48, 59, .....
1. 1 answer
2. asked by Del
3. 1,025 views
write an algebraic expression representing three less than half a number
1. 2 answers
2. asked by alexis
3. 1,024 views
What types of cost allocation criterion and methods are available to all healthcare organizations?
1. 1 answer
2. asked by MMMMMMM
3. 1,022 views
Can someone please help me complete these calculations for my lab; I am having some trouble.A. Standardization of Na2S2O3 -Mass
1. 1 answer
2. asked by Bryant
3. 1,015 views
Find two numbers whose sum is 90 and one-third of the smaller number is equal to one seventh of the larger number
1. 1 answer
2. asked by Bob
3. 990 views
In 1996, the Fiberoptic Link Around the Globe (FLAG) was started. It initially involves placing a 27,000 km fiber optic cable at
1. 1 answer
2. asked by Ashley
3. 984 views
A CIRCULAR SAW BLADE ROTATING AT 15 REV/S IS BROUGHT TO A STOP IN 125 REV.WHAT IS THE VALUE OF WO IN RAD/S? 94.2 RAD/S WHAT IS
1. 1 answer
2. asked by DMITRIC
3. 970 views
Hi, I would like you to check my essay and see if I have maintained "verb tense consistency"Here is my essay: The use of social
1. 2 answers
2. asked by vid
3. 969 views
Identify the strategy decisions a marketing manager must make in the Price area. Illustrate you answer for a local retailer.
1. 0 answers
2. asked by Monica
3. 968 views
6. In chapter 3, we discussed carrying capacities. What do you think the maximum and optimum carrying capacities for humans are?
1. 0 answers
2. asked by alex
3. 967 views
BackgroundYou’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and
1. 1 answer
2. asked by Mary
3. 966 views
The Nymph's Reply to the Shepherdby Sir Walter Raleigh 1600 If all the world and love were young, And truth in every shepherd's
1. 4 answers
2. asked by anthony
3. 956 views
An instructor gives regular 20-point quizzes and 100-point exams in a mathematics course. Average scores for six students, given
1. 1 answer
2. asked by Re
3. 946 views
a snail is at the bottom of an empty trough with walls 40cm high. If the snail manages to move 4cm up a wall each day,but slips
1. 2 answers
2. asked by genevieve
3. 939 views
Hi DrBob,Sorry about that, I wasn't very clear! Can someone please help me complete these calculations for my lab; I am having
1. 2 answers
2. asked by Bryant
3. 938 views
1.) which of the following represents dy/dx when y=e^-2x Sec(3x)?A.3e^-2x sec(3x) tan (3x)-2e^-2x Sec(3x)<<<< my choice
1. 0 answers
2. asked by anon
3. 937 views
Durning the industrial revolution, as the expansion of industry happened and the scale and volume of production increased, what
1. 3 answers
2. asked by Jon
3. 924 views
Derive the rocket equation M(dV/dt) = -u(dM/dt)for a rocket in the (constant) gravitational field near the surface of the Earth.
1. 2 answers
2. asked by Eduardo
3. 920 views
Question 11 (1 point) SaveAs the degree of relatedness within a population increases, the level of inbreeding in that population
1. 3 answers
2. asked by Rachel
3. 912 views
Wendy answered 85% of the questions on her history test correctly. There were 40 questions on the test and all the questions had
1. 1 answer
2. asked by PLEASE HELP
3. 911 views
wat careers are associated with newtons law of motion
1. 0 answers
2. asked by lerato molekoa
3. 904 views
Can someone please help me out!!!I included what I have so far.*Purpose Implement a Java-method with three local int variables
1. 2 answers
2. asked by Joyenna
3. 902 views
What is the phase shift of y=6cos(6x+pi/2)?
1. 1 answer
2. asked by Dwight
3. 896 views
is the trumpet in the brass section?
1. 1 answer
2. asked by alexander
3. 894 views
write an algebraic expression representing three less than half a number
1. 1 answer
2. asked by alexis
3. 892 views
given the following data at a certain temperature, calculate K for the reaction between one mole of dinitrogen oxide gas and
1. 1 answer
2. asked by karim
3. 892 views
Bart's drama club put on a play.There were 843 people in the audience.Each ticket to the play cost $8.The audience was seated in
1. 2 answers
2. asked by samantha
3. 890 views
Find the total area enclosed by the graph of y=(e^sinx)*(cosx) and the x-axis from x=0 to x=piI got .0563331993 but when I
1. 2 answers
2. asked by Leanna
3. 886 views
you are given the probabilities listed below P(A)= 0.25, P(B) = 0.30, P(C)=0.55, P(A&C) = 0.05, P(B&C)=0, P(B/A)=0.48.A) ARE A
1. 5 answers
2. asked by Anonymous
3. 883 views
In a department store, there were a certain number of red T-shirts, blue T-shirts, and yellow T-shirts. 3/7 of the T-shirts were
1. 1 answer
2. asked by Katherine
3. 881 views
Find the length of the altitude to the base of an isosceles triangle if the length of one leg is 17 and the base is 16.
1. 1 answer
2. asked by Anonymous
3. 864 views
why should credit card companies not be allowed to market on campus?
1. 2 answers
2. asked by sheyenne
3. 863 views
A 120-kg box is loaded into the trunk of a car.If the height of the car's bumper decreases by 20 cm , what is the force constant
1. 3 answers
2. asked by Randy
3. 863 views
The height of a loading platform is 4 feet. Determin the length of the ramp if it makes a 32 degree angle with the ground.
1. 1 answer
2. asked by jen
3. 855 views
the measure of an angle of a parallelogram is 12 degrees less than 3 times the measure of an adjacent angle. explain how to find
1. 1 answer
2. asked by sab
3. 841 views
A bullet of mass 10.8 g leaves a gun barrel with a velocity of 511 m/s. What is the bullet's kinetic energy? answer in joules
1. 2 answers
2. asked by mat
3. 829 views
Please help check my answers to make sure they are correct. I used the "sinking fund payment and present value of an ordinary
1. 1 answer
2. asked by April
3. 820 views
A uniform, square metal plate with side L = 3.50 cm and mass 0.087 kg is located with its lower left corner at (x, y) = (0, 0)
1. 1 answer
2. asked by HELP!!!!
3. 811 views
The freezing point of a 0.10m solution of mercury(I) nitrate is approximately -0.27 degrees celsius. Show that these data
1. 1 answer
2. asked by Amy
3. 808 views

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