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2012
October

Questions Asked on October 1, 2012

If a ping pong ball falls from the top of a building that is 168 feet high, how many seconds will it take the ball to hit the
1. 33 answers
2. asked by Anonymous
3. 14,661 views
A mass m1 = 3.3 kg rests on a frictionless table and connected by a massless string over a massless pulley to another mass m2 =
1. 3 answers
2. asked by David
3. 11,680 views
Two forces, F1 and F2 act on the 7.00-kg block shown in the drawing. The magnitudes of the forces are F1=59.0 N and F2=33.0N.
1. 2 answers
2. asked by a person
3. 4,851 views
Given that f is a differentiable function with f(2,5) = 6, fx(2,5) = 1, and fy(2,5) = -1, use a linear approximation to estimate
1. 1 answer
2. asked by James
3. 4,021 views
If a person told you what month he was born, would it be unusual to guess the date of his birth ( not including the year)?
1. 2 answers
2. asked by Anonymous
3. 3,897 views
In a geomatic sequence, the seventh term exceeds the fifth term by 1920. Find the sum of the first eleven terms if the common
1. 5 answers
2. asked by Nina
3. 3,129 views
Consider the planes given by the equations2y−2x−z=2 x−2y+3z=7 (a) Find a vector v parallel to the line of intersection of
1. 1 answer
2. asked by Felicia
3. 3,052 views
# 1a special window has the shape o a rectangle surmounted by an eqilatera tiangle. ifthe perimeter o the winow is 16 ft, what
1. 1 answer
2. asked by rebekah
3. 2,984 views
A bicycle tire is filled with air to a pressure of 610 kPa at a temperature of 19 oC. Riding the bike on asphalt on a hot day
1. 2 answers
2. asked by Helga
3. 2,896 views
1 ml of whole blood is collected and centrifuged to obtain a plasma sample. The volume of the plasma sample is 600 microlitres.
1. 2 answers
2. asked by Liv
3. 2,860 views
If your bank pays 5.5 percent interest on savings deposits, what is the simple interest paid in the third year on an initial
1. 1 answer
2. asked by Wendi Jones
3. 2,583 views
A length of organ pipe is closed at one end.If the speed of sound is 344 m/s, what length of pipe is needed to obtain a funda-
1. 2 answers
2. asked by AJ
3. 2,573 views
If Fran’s fudge recipe calls for 2 and 1/2 cups of sugar and she increases it by 2/5 of a cup, how much sugar does she use?a.
1. 26 answers
2. asked by Delilah
3. 2,557 views
if pressure inside a cylinder with a circular hatch is 2 atm and the radius of the entrance hatch is 12 inches, what force does
1. 1 answer
2. asked by Lauren
3. 2,463 views
What is the density of a sample of 65.0mL of automobile oil having a mass of 59.82g
1. 2 answers
2. asked by tina sayers
3. 2,413 views
If a rock is thrown upward on the planet Mars with a velocity of 13 m/s, its height in meters t seconds later is given by y =
1. 1 answer
2. asked by david
3. 2,358 views
A pipe that is open at both ends has a fundamental frequency of 330 Hz when the speed of sound in air is 333 m/s.What is the
1. 2 answers
2. asked by AJ
3. 2,302 views
Create an addition word problem and a subtraction word problem using fractions. Show how to find the solution to each problem.
1. 7 answers
2. asked by Christian
3. 2,164 views
Determine the lattice energy for CaBr2 if the enthalpy of solution for CaBr2 is -145 kJ/mol, and the heats of hydration for Ca2+
1. 1 answer
2. asked by Bru
3. 2,081 views
Three consecutive integers have a sum of 357. Fid the integers algebraically.I know the three numbers are 118, 119, and 120 but
1. 1 answer
2. asked by Lily
3. 2,015 views
A variable-length air column is placed just below a vibrating wire that is fixed at the both ends. The length of air column open
1. 1 answer
2. asked by AJ
3. 1,865 views
To demonstrate standing waves, one end of a string is attached to a tuning fork with frequency 120 Hz. The other end of the
1. 1 answer
2. asked by AJ
3. 1,849 views
In lab, we did an oxidation of 2-ethyl-1, 3-hexanediol with acetic acid and sodium hydrochlorite. I understand the acid is the
1. 2 answers
2. asked by Anonymous
3. 1,811 views
For what values of x does the graph of f have a horizontal tangent? (Use n as your integer variable. Enter your answers as a
1. 1 answer
2. asked by Anonymous
3. 1,754 views
Find a functional factor that connects Egypt to Africa, to Europe, and to Southwest Asia.
1. 1 answer
2. asked by Anonymous
3. 1,725 views
Find the difference quotient and simplify your answer. Step by step. f(x) = 3x2 − 6x, f(x + h) − f(x) h , h �‚ 0
1. 1 answer
2. asked by Kristi
3. 1,718 views
Determine if the ordered pair is a solution to the system.-5x - 7y= 4 y= 1/2 x - 1 a. (2,2) b. (2, -2)
1. 1 answer
2. asked by Neil
3. 1,688 views
1. Which of the following statements about defensive medicine is true?A. Insurance companies encourage it. B. It's the result of
1. 2 answers
2. asked by Marcelo
3. 1,657 views
Which of the following solutions has the highest concentration of Cl- ions?500 mL of 0.10 M NaCl 100 mL of 0.20 M MgCl2 200 mL
1. 1 answer
2. asked by Joe
3. 1,588 views
Thomas Jefferson and Thomas Paine shared a similar purpose for writing. What was their purpose?
1. 2 answers
2. asked by Cece
3. 1,575 views
What theories have scholars advanced to explain the decline and fall of the Roman Empire? What are the difficulties involved in
1. 1 answer
2. asked by lashay
3. 1,573 views
A compound has the empirical formula CH2O. When 0.0866 g is dissolved in 1.0 g of ether, the solution’s boiling pint is
1. 1 answer
2. asked by Danica
3. 1,521 views
An object is released from rest on a planetthat has no atmosphere. The object falls freely for 2.73 m in the ﬁrst second. What
1. 1 answer
2. asked by Diego
3. 1,519 views
What political, social, and economic problems beset Rome in the third and fourth centuries c.e.? How did Diocletian and
1. 6 answers
2. asked by lashay
3. 1,496 views
A 29.0 kg child slides down a long slide in a playground. She starts from rest at a height h1 of 17.00 m. When she is partway
1. 1 answer
2. asked by Emily
3. 1,489 views
Mrs Rama uses 0.4 liters of water melon juice for every 0.9 liters of apple juice to make a jug of mixed fruit juice.A) Find the
1. 1 answer
2. asked by Justin
3. 1,466 views
The ball launcher in a pinball machine has a spring that has a force constant of 1.50 N/cm.The surface on which the ball moves
1. 1 answer
2. asked by Emily Shinavier
3. 1,465 views
Which is irrational?0.117117117 . . . 0.8596873205 . . . 0.812812812812 . . . 0.605605605 . . . 6. If there is 1/2 of a pizza
1. 28 answers
2. asked by Delilah
3. 1,455 views
A baseball diamond is a square sides 22.4 m. The pitcher's mound is 16.8 m from home plate on the line joining home plate and
1. 1 answer
2. asked by Kailey
3. 1,445 views
A ball is thrown upward. What is its initial vertical speed? The acceleration of gravity is 9.8 m/s^2 and maximum height is 7.2
1. 1 answer
2. asked by Patrick
3. 1,409 views
determine the point(s)at which the graph of y^4 = y^2 -x^2 has a horizontal tangent.
1. 5 answers
2. asked by Ashley
3. 1,397 views
1)What is a doctor's responsibility if a patient requests restrictions on the use of his or her PHI?a. Since HIPAA doesn't
1. 1 answer
2. asked by Marcelo
3. 1,394 views
What mass of electrons would be required to just neutralize the charge of 1.4 of protons?
1. 2 answers
2. asked by Claire
3. 1,392 views
The oxides of Group 2A metals (symbolized by M here) react with carbon dioxide according to the following reaction:MO(s) +
1. 4 answers
2. asked by Helga
3. 1,373 views
I have another question on object of the preposition. In the sentence,I found my homework inside my social studies book. Would
1. 4 answers
2. asked by Brandi
3. 1,307 views
Bunches of 6 roses were selling for $8. Anita paid $40 for roses. How many roses did she buy? PLEASE HELP!
1. 2 answers
2. asked by Kathryn
3. 1,266 views
what type of bond would carbon, sodium, and neon form?
1. 1 answer
2. asked by mandy
3. 1,234 views
A bare helium nucleus has two positive charges and a mass of 6.64 10-27 kg.(a) Calculate its kinetic energy in joules at 2.00%
1. 1 answer
2. asked by Kg
3. 1,213 views
A 45-kg sample of water absorbs 345 kJ of heat. If the water was initially at 22.1 degrees celcius, what was the final
1. 1 answer
2. asked by Anonymous
3. 1,184 views
does the density of an element have anything to do with the number of elections?i have to work with a partner and his reasoning
1. 2 answers
2. asked by josh
3. 1,181 views
Here is the question:How consistent were the republican principles applied by Thomas Jefferson and James Madison during their
1. 1 answer
2. asked by Cora
3. 1,178 views
1 ml of whole blood is collected and centrifuged to obtain a plasma sample. The volume of the plasma sample is 600 microlitres.
1. 1 answer
2. asked by Liv
3. 1,159 views
Two friends decide to cycle to a picnic spot the first person cycles 5 and a 1/2 km/hour and 2nd cycles 6 and a3/4 km/hour to
1. 2 answers
2. asked by TUHITUHI
3. 1,106 views
The following confidence interval is obtained for a population proportion, p:0.556 < p < 0.584. What is the point estimate, p?
1. 1 answer
2. asked by 1234
3. 1,100 views
A 25.00 mL solution of potassium nitrate (KNO3) was diluted to 125.0 mL, and 25.00 mL of this solution were then diluted to
1. 1 answer
2. asked by Tim
3. 1,093 views
Two packing crates of masses m1 = 10.0 kg and m2 = 4.10 kg are connected by a light string that passes over a frictionless
1. 0 answers
2. asked by Cora
3. 1,071 views
Which property would allow you to use mental computation to simplify the problem 27 + 15 + 3 + 5?1) commutative property of
1. 2 answers
2. asked by amber
3. 1,058 views
In the sentence "You can get supplies from the stationary store." I know the prepositional phrase is from the stationary store
1. 1 answer
2. asked by Brandi
3. 1,039 views
6. Which of the following statements about the field of child development is correct?A. It’s devoted to understanding human
1. 3 answers
2. asked by mandy
3. 1,039 views
For the vectors with a = 14, b = 13, and c = 365, calculate the following dot products.NOTE theres a picture but i couldn't
1. 0 answers
2. asked by Please Help
3. 1,032 views
Here goes...1. Consider a model in which an individual lives two periods: this period (time one) and next period (time two).
1. 0 answers
2. asked by Wesley
3. 1,030 views
Why through photosynthesis we mustn't put sodium or potassium hydroxide?? (an experiment for testing the carbon dioxide if it is
1. 0 answers
2. asked by Razan
3. 1,008 views
a an sold a bicycle for an amount which was greater by rs. 988 than half price he paid for it an made a profit of rs. 300 how
1. 2 answers
2. asked by TUHITUHI
3. 1,006 views
If you are driving 116 km/h along a straight road and you look to the side for 3.0 s, how far do you travel during this
1. 2 answers
2. asked by kyle
3. 997 views
a 5.63kg ball hangs from a vertical pole by a 2.4 long string. Assume the ball is moving at 4.33m/s in a horizontal circle with
1. 0 answers
2. asked by Nicole
3. 992 views
Accounting for a Job-Order Cost System [LO 3, 6, 7, 9]Bob and Beth Ford retired from the food services industry and began
1. 0 answers
2. asked by Patricia
3. 988 views
A special snack mix uses raisins, peanuts, and chocolate candies in the ratio 1:2:5 , respectively. In a snack mix of 112
1. 3 answers
2. asked by Anonymous
3. 982 views
Calculate the molar mass of a non-electrolyte that lowers the freezing point of 25.0 g of water to - 3.9 oC when 4.27 g of the
1. 1 answer
2. asked by Danica
3. 976 views
Suppose you titrated a sample of distilled water with EDTA, approximately what volume of EDTA would be required?
1. 1 answer
2. asked by Julie
3. 973 views
what is prime factorization of 58
1. 1 answer
2. asked by dian
3. 938 views
Imagine thatyou needed to choose an indicator for the titration of a strong base (like NaOH) with a strong acid (like HNO3). You
1. 1 answer
2. asked by Cris
3. 934 views
How many two-digit positive intergers are multiples of both 2 and 5?Is the correct answer 9?
1. 2 answers
2. asked by Anonymous
3. 914 views
the perimeter of an athletic field is 104 meters and the length is 12 meters more than the width find the width and the length.
1. 1 answer
2. asked by john
3. 906 views
A 4.1-m-diameter merry-go-round is initially turning with a 4.2 period. It slows down and stops in 24 .Before slowing, what is
1. 1 answer
2. asked by Anonymous
3. 906 views
A mass m = 14.0 kg is pulled along a horizontal floor with NO friction for a distance d =8.7 m. Then the mass is pulled up an
1. 0 answers
2. asked by need of help
3. 902 views
One band has fewer than 40 speakers. They stack them in an array exactly 9 high. How many speakers could they have? Explain how
1. 1 answer
2. asked by Breana
3. 898 views
In most States, the right to vote was originally denied to all but which one of the following groups?
1. 2 answers
2. asked by miracle
3. 877 views
A loaded truck can accelerate at 4 m/s2. It loses its load so that it is only 0.1 as massive. By what factor must the
1. 0 answers
2. asked by Maria
3. 867 views
Your company will generate $45,000 in cash flow each year for the next nine years from a new information database. The computer
1. 0 answers
2. asked by Anonymous
3. 847 views
Find an equation of the tangent line to the curve at the given point.y = sec x, (π/3, 2)
1. 1 answer
2. asked by Anonymous
3. 839 views
An airplane flies 340 km due east, makes aright-angle turn, and then flies 390 km due north. Find the magnitude of the plane’s
1. 1 answer
2. asked by Crystal
3. 839 views
unscramble the word for a sport ciemesr
1. 1 answer
2. asked by Anonymous
3. 836 views
A 4.1-m-diameter merry-go-round is initially turning with a 4.2 period. It slows down and stops in 24 .How many revolutions does
1. 0 answers
2. asked by Anonymous
3. 823 views
Assume that each female rabbit of a colony gives birth to three female rabbits. How many female rabbits of the tenth generation
1. 1 answer
2. asked by casey
3. 819 views
The densities of the Jovian planets areA. not more than about 0.5 times the density of water. B. not more than about 1.5 times
1. 0 answers
2. asked by Anonymous
3. 815 views
what is the velocity of the jumper at the end of 1.5second? How far does he fall?
1. 1 answer
2. asked by princess cayetano
3. 813 views
In open heart surgery a much smaller amount of energy will defibrillate the heart.(a) What voltage is applied to the 9.00 µF
1. 1 answer
2. asked by Kg
3. 813 views
In Dust Tracks on a Road, what kind of literature did the young Hurston like best that made her think of heroic deeds?B. stories
1. 2 answers
2. asked by Hally
3. 803 views
A female moth lays nearly 150 eggs. In on year there may live up to five generations. Each larva eats about 20mg of wool. Assume
1. 0 answers
2. asked by Landon
3. 797 views
____2.An object is thrown vertically upward with a speed of 25 m/s. How much time passes before it comes back down at 15
1. 0 answers
2. asked by Shan
3. 796 views
A superhero flies 235 m from the top of atall building at an angle of 25 � below the horizontal. What is the horizontal
1. 1 answer
2. asked by Crystal
3. 795 views
A superhero flies 235 m from the top of atall building at an angle of 25 � below the horizontal. What is the horizontal
1. 0 answers
2. asked by Crystal
3. 779 views
Block A has a mass of 2.60 kg and rests on a smooth (frictionless) table and is connected toblock B, which has a mass of 2.40
1. 0 answers
2. asked by Anthony
3. 777 views
A car has a mass of 1.35 × 103 kg.If the force acting on the car is 6.82 × 103 N to the east, what is the car’s
1. 2 answers
2. asked by bob
3. 773 views
A man jogs at a speed of 1.7 m/s. His dog waits 1.4 s and then takes off running at a speed of 3.4 m/s to catch the man.How far
1. 0 answers
2. asked by Sonia
3. 754 views
Part 2Directions: Complete the description of the following people by using the correct form of the verb and translating the
1. 4 answers
2. asked by Unknown
3. 753 views
Round 11.76 to the nearest one
1. 1 answer
2. asked by Ant
3. 747 views
1. The smell of cooking is delicious to the hungry camper.2. A good fire is difficult to build. looking for simple subject and
1. 3 answers
2. asked by Maddy
3. 740 views
A doubly charged ion is accelerated to an energy of 34.0 keV by the electric field between two parallel conducting plates
1. 1 answer
2. asked by Kg
3. 738 views
Consider the position of a ball thrown downwith an initial speed of 17 m/s.What will be its position after 2.6 s? Let the
1. 1 answer
2. asked by Diego
3. 737 views

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