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Questions Asked on June 8, 2014

The average weight of 3 boys is 53 pounds. Not one of these boys weighs less than 51 pounds. What is the maximum possible weight
1. 10 answers
2. asked by Jack
3. 8,506 views
words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squander and succumb....Linda
1. 1 answer
2. asked by Anonymous
3. 6,185 views
Blocks A and B of weight 200N and 100N respectively, rest on a 30 inclined plane and are attached to the post which is held
1. 1 answer
2. asked by Kishore
3. 3,439 views
You have a wireless phone plan that costs $25 per month. You must also pay $.10 per minute for each minute over 500 min. you
1. 2 answers
2. asked by Priscilla
3. 3,083 views
Assume a 30-month CD purchased for pays simple interest at an annual rate of 5.5%. How much total interest does it earn? What is
1. 4 answers
2. asked by Alexis
3. 2,968 views
A train on a mountain railway is carrying 200 people of average mass 70kg up a slope at an angle of 30° to the horizontal and
1. 2 answers
2. asked by Me
3. 2,871 views
Urea (CO(NH2)2) can react with water toform CONH2NH+ 3 and a hydroxide ion. Which statement is true for this reaction?
1. 2 answers
2. asked by susan
3. 2,755 views
Assume a 30-month CD purchased for $4000 pays simple interest at an annual rate of 5.5%. How much total interest does it earn?
1. 1 answer
2. asked by Alexis
3. 2,542 views
23. In a chemical reaction, dynamic equilibrium occurs when the rate of the forward reaction becomes precisely equal to the rate
1. 5 answers
2. asked by Emily
3. 2,461 views
1. How much heat energy is required to change 500 grams of water at 100 degrees Celsius to steam at 100 degrees Celsius?2. How
1. 3 answers
2. asked by Tamai
3. 2,244 views
The pH of a solution changes from 5.5 to 3.5.This indicates that the [OH−] of the solution has 1. increased by a factor of
1. 1 answer
2. asked by susan
3. 2,097 views
Rank following acids frommost to least acidic:hydrocyanic acid (HCN) Ka = 6.2 × 10−10 hypoiodous acid (HOI) Ka = 2 × 10−11
1. 2 answers
2. asked by susan
3. 2,092 views
A 0.500L vessel initially contains 0.0125 mol of H2S2 . Find the equilibrium concentrations of H2 and S2. Kc = 1.67 x 10^-72 H2S
1. 2 answers
2. asked by Veronica
3. 2,072 views
Max is 5 years younger than Michael . 4 years ago the sum of their ages was 25. How old are they ?
1. 1 answer
2. asked by mary
3. 1,877 views
Gradually increase the angle of the incline, but keep the angle low enough that the block does not slide. Select all the phrases
1. 2 answers
2. asked by Sam
3. 1,825 views
A 1 kg mass is hung at the 0 mark of a meter stick and a 3 kg mass is hung at the 100 cm mark of the same meter stick. If the
1. 2 answers
2. asked by Megan h.
3. 1,741 views
Assume an 18-month CD purchased for $7000 pays an APR of 5% compounded monthly. What is the APY?APY=____%
1. 1 answer
2. asked by Alexis
3. 1,661 views
The batteries from a certain manufacturer have a mean lifetime of890 hours, with a standard deviation of 90 hours. Assuming that
1. 1 answer
2. asked by Nathan
3. 1,660 views
A block of mass m = 0.605 kg is fastened to an unstrained horizontal spring whose spring constant is k = 67.5 N/m. The block is
1. 1 answer
2. asked by twill
3. 1,593 views
The perimeter of a rectangle is 540ft. Let x represent the width of the rectangle. Write a quadratic function for the area of
1. 1 answer
2. asked by Anonymous
3. 1,560 views
A friend tells you that her savings account doubled in 9 years. Use the Rule of 72 to estimate what the APR of her account was.
1. 1 answer
2. asked by Alexis
3. 1,539 views
"Blake DuBois is a decorated veteran and Purple Heart recipent. In his six years as a state senator, he has passed legislation
1. 3 answers
2. asked by Bree
3. 1,479 views
An investigator wants to estimate caffeine consumption in high school students. How many students would be required to estimate
1. 1 answer
2. asked by Yvette
3. 1,442 views
i need help solving thisBenzoic acid is a weak, monoprotic acid (Ka = 6.3 × 10−5). Calculate the pH and the percent
1. 1 answer
2. asked by Q
3. 1,429 views
Joe pushes horizontally on a heavy box across a rough surface at constant speed. Which one of the following statements
1. 2 answers
2. asked by Sam
3. 1,376 views
A geosynchronous Earth satellite is one that has an orbital period equal to the rotational period of the Earth. Such orbits are
1. 0 answers
2. asked by Anonymous
3. 1,330 views
Which of the following is the best estimate of the correlation coefficient for the data shown below? (1, 18), (2, 12), (3, 20),
1. 3 answers
2. asked by Amani
3. 1,318 views
The two blocks in the sketch are connected by alight cord over a frictionless pulley and are initially held in place. The block
1. 1 answer
2. asked by Lysha
3. 1,318 views
A 4.5kg box slides down a 4.1-m -high frictionless hill, starting from rest, across a 1.7-m -wide horizontal surface, then hits
1. 1 answer
2. asked by Lena
3. 1,240 views
2. The polar coordinates of a point are given. Find the rectangular coordinates of each point.a. (5,(π / 4)) b. (-2,(π / 6))
1. 1 answer
2. asked by Katie
3. 1,237 views
words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squander and succumb....Linda
1. 3 answers
2. asked by Anonymous
3. 1,235 views
The SO2 present in air is mainly responsible for the phenomenon of acid rain. Theconcentration of SO2 can be determined by
1. 3 answers
2. asked by Teagan
3. 1,225 views
The rate of change in the volume of a tank is known to be dV/dt=0.6t*cos(0.08t^2 -1), where V(t) is in gallons per minute and
1. 1 answer
2. asked by Jamie
3. 1,222 views
Find the number of units that produces a maximum revenue. The revenue R is measured in dollars and x is the number of units
1. 1 answer
2. asked by max
3. 1,195 views
What is the present value of an investment that will be worth $2000 at the end of five years? Assume an APR (Annual Percentage
1. 1 answer
2. asked by Alexis
3. 1,184 views
Energy & Momentum Calculations AssessmentAnswer the following questions. A 1.0 kg puck sliding at 15 m/s along some horizontal
1. 1 answer
2. asked by grey
3. 1,158 views
approximate I from a graph of current/time for a discharging capacitor.no idea on this, obviously you cant see the graph, but
1. 1 answer
2. asked by jerome
3. 1,158 views
A rock is dropped from the top of a 400-foot-tall building. Its distance s (in feet) from the top of the building after t
1. 2 answers
2. asked by Syed
3. 1,139 views
A ball is sitting in a child's wagon and a child is holding the wagon's handle. The ball then rolls to the back of the wagon
1. 1 answer
2. asked by Sam
3. 1,068 views
Three identical point charges A, B, and C are located in the shape of an equilateral triangle with sides of length 15 cm. What
1. 0 answers
2. asked by grey
3. 1,066 views
A horizontal spring with spring constant 110N/m is compressed 16cm and used to launch a 2.8kg box across a frictionless,
1. 0 answers
2. asked by Lena
3. 1,059 views
A friend tells you that her savings account doubled in years. Use the Rule of 72 to estimate what the APR of her account was.
1. 1 answer
2. asked by Alexis
3. 1,054 views
how would you do this questionwhen i did it i did -log(1.0) but that is just 0 so what it the procedure to do this question
1. 2 answers
2. asked by Annie
3. 1,052 views
I posted this last night, A 0.500L vessel initially contains 0.0125 mol of H2S2 . Find the equilibrium concentrations of H2 and
1. 2 answers
2. asked by Veronica
3. 1,049 views
What will be the total deduction for social security and Medicare taxes on Juanita's next biweekly paycheck of $2,000 if she has
1. 1 answer
2. asked by Freanda
3. 1,044 views
A model airplane is flying in a horizontal circle with a constant speed. The initial radius of the circle is R. The boy holding
1. 0 answers
2. asked by Sam
3. 1,035 views
Please Help! I am having difficulties grasping these concepts. Explain please!1. How much heat energy is required to change 500
1. 1 answer
2. asked by Tamai
3. 1,030 views
calculate the mass of Cuso4.5H2O required to prepare 500 cm3 of a 0.400 m/dm-3 solution
1. 2 answers
2. asked by alice
3. 1,026 views
Which one of these statements regarding non-conservative forces is FALSE?Select one: a. A non-conservative force cannot have a
1. 3 answers
2. asked by jake
3. 1,024 views
How many grams of pure H2SO4 can be obtained from 250 grams of iron ore if the ore is 82% FeS2? The reactions involved are given
1. 1 answer
2. asked by Veronica
3. 1,017 views
prove that forfinite length current element ?H = I/2πr(sinα2 - sinα1)aφ
1. 0 answers
2. asked by Anonymous
3. 1,014 views
Futurists project large space stations which would rotate so as to use centripetal acceleration to simulate gravity. The outer
1. 0 answers
2. asked by Anonymous
3. 998 views
Assume we invest $2000 for one year in a savings account that pays an APR (Annual Percentage Rate) of 10% compounded quarterly.
1. 1 answer
2. asked by Alexis
3. 994 views
Suppose you put in a savings account at an APR of 6% compounded monthly. Fill in the table below rounding your answers to the
1. 1 answer
2. asked by Alexis
3. 993 views
4 quarters of x is 36. X is equal toA)9 B)50 C)144 D)40
1. 2 answers
2. asked by chelsea
3. 950 views
words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squander and succumb....Linda
1. 3 answers
2. asked by Anonymous
3. 948 views
Find two quadratic functions whose graph have given x-intercepts. Find one function whose graph opens upward and another whose
1. 1 answer
2. asked by Anonymous
3. 930 views
a homeowner wishes to drain her swimming pool by siphoning the water, whose depth is h, into a nearby gully a distance H below
1. 0 answers
2. asked by khomotjo
3. 917 views
Which substance has the weakest intermolecular force between ethanol,nail polish remover and methylated spirits?
1. 1 answer
2. asked by Goodness
3. 915 views
Assume an investment of $7000 earns an APR (Annual Percentage Rate) of 6% compounded monthly for 18 months.The money in your
1. 1 answer
2. asked by Alexis
3. 884 views
You are traveling in a convertible with the top down. The car is moving at a constant velocity of 16.6 m/s, due east along flat
1. 1 answer
2. asked by derick
3. 873 views
Assume we invest $2000 for one year in a savings account that pays an APR (Annual Percentage Rate) of 10% compounded quarterly.T
1. 0 answers
2. asked by Alexis
3. 836 views
If 7x + 4y = 18 and 3x + y = -3, what is the value of x + y?F. 9 G. 11 H. 12 J. 14 K. 15
1. 5 answers
2. asked by Anonymous
3. 831 views
the no. of real roots of eqn (x-1)POWER 2 + (X-2) POWER 2 +(X-3) POWER 2= 0 IS:
1. 1 answer
2. asked by shish
3. 826 views
An electron reaches a speed of 3.0 × 107 m/s when released beside the negative plate within a parallel plate accelerator with a
1. 0 answers
2. asked by grey
3. 825 views
Please check for correction !words to use: curtail, devastate, digress,incentive, incorporate,
1. 1 answer
2. asked by chanel
3. 795 views
If you multiply a number by 3 and then add 40, the result is the same as if you first add 17 and then multiply by 2. What is the
1. 5 answers
2. asked by Anonymous
3. 769 views
At Dora's donut shop, dora makes 15 different varieties of donuts. Seven of these varieties are filled with jelly or cream.
1. 4 answers
2. asked by k
3. 761 views
calculate the mass of Cuso4.5H2O required to prepare 500 cm3 of a 0.400 m/dm-3 solution
1. 1 answer
2. asked by alice
3. 759 views
David Salter has a personal automobile policy ( PAP) with coverage of $ 25,000/$ 50,000 for bodily injury liability, $ 25,000
1. 0 answers
2. asked by tota
3. 758 views
If the pH of an aqueous solution is 5, what isthe OH− concentration?
1. 3 answers
2. asked by susan
3. 751 views
What effect does noise have in the transactional communication model?A. Noise creates distortion or blockage of a sender’s
1. 0 answers
2. asked by Terry Brown
3. 743 views
QuickBooks records revenue when an invoice is generated, even though cash has not been received." Is this practice acceptable?
1. 1 answer
2. asked by tota
3. 740 views
if sum of two numbers is c and their quotient is p/q then find number.
1. 2 answers
2. asked by ravi
3. 734 views
Tell what the output value is for the function machine for the given values.x^2+x^2+1 a)5 b)9 c)-7 d)1/2 e)t
1. 2 answers
2. asked by Mary Ann
3. 724 views
Hello. I need help with this question.A coin is tossed and a number cube is rolled. What is P(heads, a number less than 5 A 1/3
1. 3 answers
2. asked by Anonymous
3. 718 views
Assume an investment of $100 earns an APR (Annual Percentage Rate) of 5% compounded annually.The balance after 190 years will be
1. 1 answer
2. asked by Alexis
3. 710 views
Astrology, that unlikely and vague pseudoscience, makes much of the position of the planets at the moment of one’s birth. The
1. 0 answers
2. asked by Anonymous
3. 709 views
Two masses are connected by a string over an ideal pulley as shown. The coefficient of kinetic friction between m1 and the table
1. 0 answers
2. asked by Tami
3. 708 views
This restaurant carries several kinds of street food such as odeng, tteokbokki, pretzels, beaver tails, waffles, and stick food.
1. 1 answer
2. asked by rfvv
3. 705 views
Th e No Interest Credit Company provides zero-interestloans to customers. Design an application that gets customer account data,
1. 0 answers
2. asked by Tanya
3. 692 views
Describe the chi-square goodness-of-fit test.
1. 2 answers
2. asked by Sophia
3. 641 views
Solve the system by graphing. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter DEPENDENT.)3
1. 2 answers
2. asked by Mary Ann
3. 638 views
A body of mass 'M' starts sliding down on the inclined plane where the critical angle is 30 the coefficient of kinetic friction
1. 0 answers
2. asked by zoha
3. 628 views
What is the present value of an investment that will be worth $2000 at the end of five years? Assume an APR of 6% compounded
1. 1 answer
2. asked by Alexis
3. 621 views
In the book Dragonwings, after saving Black Dog's life in the alley near the opium den, why does Windrider tell Moon Shadow to
1. 1 answer
2. asked by Riana
3. 618 views
2014 numbers are placed along the circumference of a circle. When any five successive numbers are added, the total is always 40.
1. 1 answer
2. asked by Tanvi
3. 615 views
How fast must we be approaching a distant galaxy emitting yellow light (590nm) for it to appear green (520nm)?I believe it uses
1. 1 answer
2. asked by Fernandez
3. 607 views
Well, can people be allergic to seeds? Recently I have been throwing up after eating. I realised everything causing my sickness
1. 1 answer
2. asked by Emz
3. 590 views
a. Calculate the values of the bonds if your required rates of return are as follows: Microsoft, 6 percent; Ford, 15 percent;
1. 0 answers
2. asked by Brandie
3. 579 views
Which one of these statements concerning elastic collisions is FALSE?Select one: a. The two objects remain together after
1. 1 answer
2. asked by jake
3. 572 views
A system gains 473J of kinetic energy while losing 271J of potential energy. The thermal energy increases by 127J .Use an energy
1. 0 answers
2. asked by Tami
3. 570 views
A pendulum is suspended inside a car vertically suddenly the car is given a horizontal acceleration 'a'.The maximm angle through
1. 1 answer
2. asked by zoha
3. 570 views
The osmotic pressure of a solution of MgCl2 is 5.43 atm at 25 oC. How much of the salt isdissolved in 250.0 ml of water?
1. 0 answers
2. asked by Teagan
3. 567 views
Perform a one-way ANOVA analysis, testing at the 0.05 level. Also, calculate the mean number of sick days for each group.
1. 0 answers
2. asked by Anonymous
3. 561 views
A pizza parlor has 3 diffrebt crusts and 3 diffrent cheeses and 7 diffrent toppings . How many combinations are on a pizza with
1. 0 answers
2. asked by Bree
3. 561 views
Is there a current trend, claimed by law enforcement, that there are generally fewer use of force incidents by the police?
1. 1 answer
2. asked by Gabby
3. 561 views
Calculate the mass of the star using the factthat the period of the planet is 3.07 × 107 s and its distance from the star is
1. 1 answer
2. asked by anon turtle
3. 560 views
A block takes 3 times as long to slide down an inclined plane that makes an angle of 30 degrees as it does to fall freely
1. 0 answers
2. asked by Haff
3. 558 views
Marc works in a dairy processing plant. He is paid 16.50/h. He is paid time-and-a-half if he works more than 40 hours in a week.
1. 1 answer
2. asked by Jessica
3. 557 views

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