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Questions Asked on November 2, 2011

A rectangular beam is cut from a cylindrical log of radius 25 cm. The strength of a beam of width w and height h is proportional
1. 2 answers
2. asked by Maria
3. 13,194 views
If im given mass percent and mass solvent how do I find mass solute and mass solution.example: Mass percent = 3.8% and Mass
1. 3 answers
2. asked by Monique
3. 8,743 views
1) What is the atomic # for selenium?34 2) Write the full electron configuration for selenium following the (n+l) rule? I am not
1. 2 answers
2. asked by Hannah
3. 6,375 views
1) What is the charge on the ion that Selenium forms in an ionic compound?I am not sure about this. 2) What noble gas is
1. 2 answers
2. asked by Hannah
3. 6,104 views
A force of -9000 N is used to stop a 1500kg car traveling at 20 m/s. What braking distance is needed to bring the car to a halt?
1. 2 answers
2. asked by Bobbie
3. 4,764 views
For the list of chemicals below, write complete, balanced equations for all possible reactions that would lead to an insoluble
1. 1 answer
2. asked by Helen
3. 4,079 views
A driver in a 2000 kg Porsche wishes to pass a slow moving school bus on a 4 lane road. What is the average power in watts
1. 2 answers
2. asked by Anonymous
3. 3,887 views
A sample of O2 gas is collected over water at 23C at a barometric pressure of 751 mmHg (vapor pressure of water at 23C is 21
1. 2 answers
2. asked by Holly
3. 3,492 views
Your teacher tosses a basketball. The ball gets through the hoop (lucky shot).Height of hoop= 3.048m height of person= 2.342 m
1. 1 answer
2. asked by Tina
3. 3,384 views
solve this using the mathematical induction : 1/1(3)+1/3(5)+1/5(7)+......+1/(2n-1)(2n+1)=n/(2n+1)
1. 1 answer
2. asked by aya
3. 2,709 views
How is Microsoft Word, Excel, and PowerPoint used in Criminal Justice?
1. 2 answers
2. asked by Mary
3. 2,681 views
In this experiment you will be asked to plot a graph of mhg versus ac and fit your data to a straight line.What is the slope of
1. 2 answers
2. asked by Sarah
3. 2,647 views
Pentaborane-9(B5H9) IS a colorless highly reactive liquid that will burst into flames when exposed to oxygen.The reaction is '2B
1. 4 answers
2. asked by asembi
3. 2,624 views
what is a dual intercept method and how is it applied?
1. 4 answers
2. asked by Karabo
3. 2,604 views
when a 3- digit number is divided by 1-digit, the estimated quotient is 50. Think of two possible numbers that can give this
1. 2 answers
2. asked by anthony
3. 2,588 views
6. You read in a book about bridge that the probability that each of the four players is dealt exactly one ace is about 0.11.
1. 1 answer
2. asked by ron
3. 2,406 views
A sample of limonene has a specific rotation of +81.5. (Given that R-(+)-limonene = +125.5 and, S-(-)-limonene = -122.1).What is
1. 3 answers
2. asked by Susie
3. 2,362 views
Chemical analysis show that hemoglobin contains 0.34 percent Fe by mass. What is the minimum possible molar mass of hemoglobin?
1. 1 answer
2. asked by Amber
3. 2,262 views
How can I calculate the energy required for the ionization of an electron from the ground state of the hydrogen atom?
1. 3 answers
2. asked by Lorry
3. 2,230 views
The velocity of a 1.5 kg block sliding down a frictionless inclined plane is found to be 1.13 m/s. 1.2 s later, it has a
1. 1 answer
2. asked by Anonymous
3. 2,159 views
Use a grammatically correct English sentence to describe how the mass in amu of one molecule of a compound is related to the
1. 2 answers
2. asked by Natalie
3. 2,155 views
Suppose you work in a clothing store. Each week you earn $250 plus a commission equal to 2.5% of your sales. This week your goal
1. 1 answer
2. asked by shan
3. 2,139 views
22. The phrase that best describes the shift in America’s world position from the pre- to the post- World War II eras isa.
1. 6 answers
2. asked by EricaSalazar
3. 2,129 views
Explain the main point concerning exponential growth and whether it is good or bad. Compare exponential growth to a logistic
1. 2 answers
2. asked by len
3. 2,091 views
A 72.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe", a track that is one-quarter of a circle with
1. 1 answer
2. asked by dan
3. 2,078 views
1) A price p (in dollars) and demand x for a product are related by2x^2+6xp+50p^2=10600. If the price is increasing at a rate of
1. 1 answer
2. asked by Alison
3. 1,907 views
you push a 12.5 kg cart with a force of 14 N if the cart starts from rest how far does it move in 3 seconds?
1. 1 answer
2. asked by Eve
3. 1,872 views
2 word problemswrite an inequality for each problem. solve the ineequality. 1) the school record for the most points scored in a
1. 7 answers
2. asked by marko
3. 1,812 views
In a slow-pitch softball game, a 0.200 kg softball crossed the plate at 10.00 m/s at an angle of 45.0° below the horizontal.
1. 1 answer
2. asked by Eddy
3. 1,749 views
(a) For the rotating mass in the lab setup by what ratio will the velocity change if the period is quadrupled?(b) For the
1. 1 answer
2. asked by Sarah
3. 1,728 views
find the intervals on which the function is increasing, decreasing, or constant.(-7,2)(-6,2)(-5,2)(-4,2)(-3,2)(-2,2)(-1,2)(1,3)(
1. 1 answer
2. asked by Terry
3. 1,691 views
i have a question do you think the influenza virus is a active or hidden virus and explain,im really not sure. i said active
1. 6 answers
2. asked by marko
3. 1,665 views
A worker pushes 25Kg crate a distance of 5m along a level floor at constant velocity by pushing horizontally on it. The
1. 5 answers
2. asked by Abdul Waheed
3. 1,647 views
Help, I can't find the pattern rule for this sequence(eg. -6,-3,2,9,18 and the pattern rule is n squared-7)The pattern:
1. 8 answers
2. asked by Abigail
3. 1,617 views
1) A Cobalt (II) ion has the electron configuration ____? and is ____?The answer choices were: [Ar] 3d5 4s2 diamagnetic [Ar] 3d7
1. 4 answers
2. asked by Hannah
3. 1,576 views
Find the annual rate, r that produces an effective annual yield of 6.3% when compounded continuosly.
1. 1 answer
2. asked by nan
3. 1,568 views
outline a writing plan for a request refusal:Buffer: Reasons: Bad News: Closing:
1. 1 answer
2. asked by Roshundria
3. 1,566 views
how to calculate percent error
1. 3 answers
2. asked by anonymous
3. 1,545 views
A person is sitting with one leg outstretched, so that it makes an angle of = 39.9o with the horizontal. The weight of the leg
1. 0 answers
2. asked by Sami
3. 1,426 views
A simple Atwood’s machine uses a masslesspulley and two masses m1 and m2. Starting from rest, the speed of the two masses is
1. 0 answers
2. asked by Loreal
3. 1,392 views
The flag that Nico waves has an odd number in the ones place and an even number in the tens place. RED flag 25- blue flag 14-
1. 9 answers
2. asked by Harry
3. 1,379 views
2.) Part A.2. Suppose 6 M HCl is substituted for the 3 M HCl in the procedure. What would be the consequence of this
1. 2 answers
2. asked by Andy
3. 1,374 views
I need help in solving two-step inequalities.7 - 4w <_ 19
1. 1 answer
2. asked by jared
3. 1,368 views
The average distance separating earth and moon is 384000 km. What is the net gravitational force exerted by earth and moon on a
1. 1 answer
2. asked by Dee
3. 1,367 views
Which of the following is the measure of success in an unconventional war? a. winning the support of the people b. territory
1. 1 answer
2. asked by HM
3. 1,343 views
The average teenager spends 7.5 hours per week playing computer and video games. In a random sample of 110 teenagers, what is
1. 1 answer
2. asked by ron
3. 1,338 views
An astronaut of mass 78.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with
1. 0 answers
2. asked by EDDY
3. 1,277 views
In this exercise, we estimate the rate at which the total personal income is rising in a metropolitan area. In 1999, the
1. 2 answers
2. asked by Nyke
3. 1,266 views
Suppose you measured the diameter of a tree trunk to be 5 cm. The actual diameter can vary by at most 0.4 cm, due to the error
1. 3 answers
2. asked by shan
3. 1,260 views
For what values of theta, on the polar curve r=theta, 0<=theta<=2pi, are there horizontal tangent curves? Vertical?I got one
1. 1 answer
2. asked by Anonymous
3. 1,248 views
dr. gibson has created a new energy drink which he hopes will also make a person smarter when testing his new drink what is the
1. 1 answer
2. asked by stephanie
3. 1,231 views
The hypotenuse of a right triangle has one end at the origin and one end on the curve y = (x^4)(e^-7x), with x > 0. One of the
1. 1 answer
2. asked by Emily
3. 1,218 views
a) A boat is pulled into a dock by a rope attached to the bow ("front") of the boat and passing through a pulley on the dock
1. 2 answers
2. asked by Web7
3. 1,215 views
Explain why 0.7=0.70.
1. 1 answer
2. asked by Christian
3. 1,189 views
Describe how the french navy helped George Washington at Yorktown.Thank's
1. 5 answers
2. asked by Andrew
3. 1,184 views
if 5 friends want to share 18 ounces of chocolate equally by weight how many ounces should each friend get?write an equation
1. 2 answers
2. asked by chelse combs
3. 1,181 views
geography terms 7th gradeneed help in defintions of ; phyical map, political map thematic map legend title can you help me with
1. 6 answers
2. asked by marko
3. 1,176 views
A diesel engine's piston compresses 16 cm3 of fuel-air mixture into 1 cm3. The pressure changes from 1 atmosphere to 48
1. 3 answers
2. asked by Nikoli
3. 1,172 views
Suppose oil spills from a ruptured tanker and spreads in a circular pattern. If the radius of the oil spill increases at a
1. 1 answer
2. asked by Web7
3. 1,170 views
The greatest extension of the frontier of food production in the 1800s ocurred in what areas?A.The open lands of south america,
1. 3 answers
2. asked by schoolfreak
3. 1,166 views
A 67.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe", a track that is one-quarter of a circle with
1. 1 answer
2. asked by Me
3. 1,149 views
Assuming that the smallest measurable wavelength in an experiment is 0.410 fm (femtometers), what is the maximum mass of an
1. 3 answers
2. asked by Casey
3. 1,149 views
I am stuck on a probability question.Please help and tell me the easiest way to find the answer to this.. I am confused and keep
1. 2 answers
2. asked by HM
3. 1,131 views
Answer the following questions for the functionf(x) = sin^2(x/3) defined on the interval [ -9.424778, 2.356194]. Rememer that
1. 4 answers
2. asked by Anonymous
3. 1,130 views
In the cchemistry lab we conducted an experiment called atomic spectroscopy.We had to find the color, energy, wavelength, and
1. 2 answers
2. asked by Hannah
3. 1,120 views
anthony is building a picnic table for his patio. he cut one of the legs at an angle of 40 degrees. at what angle should he cut
1. 2 answers
2. asked by sam
3. 1,107 views
You jog at 6.2 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if
1. 1 answer
2. asked by John
3. 1,103 views
Solve the proportions, 4 : 5::8 :b
1. 1 answer
2. asked by rashawn
3. 1,101 views
how many elements in (NH4)2SO4
1. 5 answers
2. asked by chloe
3. 1,087 views
A machine produces 49 titanium bolts every 2 hours. At this rate how many bolts does the machine produce in 36 minutes?
1. 1 answer
2. asked by April
3. 1,048 views
Could you please check these?1.¿ Qué te encanta hacer en el invierno? Me encanta el esqui. 2. ¿Cuál es tu pasatiempo
1. 2 answers
2. asked by Matthew W.
3. 1,044 views
Two 0.85Mtrs -long pendulums hang side by side. The masses of the pendulum bobs are 50g and 70g . The lighter bob is pulled
1. 0 answers
2. asked by Don
3. 1,040 views
Im supposed to do this outine on the Glorious Revolution and for the 2 part it says list and explan 3 The public policy changes
1. 0 answers
2. asked by Chelsea
3. 1,035 views
If some of the CaCO3 in the sample had already formed some Ca(HCO3)2, will the volume of CO2(g) generated in the reaction be
1. 1 answer
2. asked by Gloria
3. 1,027 views
19. Which of the following is true about the trade imbalance in the United States?a. The United States has not had a trade
1. 1 answer
2. asked by EricaSalazar
3. 1,025 views
What library is the largest with over 120 million items?
1. 4 answers
2. asked by Jacy
3. 1,023 views
Beth gives Megan $2 allowance a week. Then she takes Megan shopping and allows her to select what she wants to buy. If the item
1. 2 answers
2. asked by D
3. 1,015 views
Ms. Hernandez has 17 tomato plants that she wants to plant in rows. She will put 1 plant in some rows and 2 plants in the
1. 1 answer
2. asked by Micaela
3. 995 views
The handmade snuffbox industry is composed of 100 identical firms, each having short – run total costs given by STC = 0.5q2 +
1. 1 answer
2. asked by Pravinesh
3. 983 views
1)For an atom of carbon how many valence electrons are "s" electrons?2 2) How many are "p" electrons? 4 3)How many (total)
1. 2 answers
2. asked by Hannah
3. 970 views
can anybody please explain nomenclature to me ? how to name?for example: Na3PO3 NH4CLO2 AuNO2
1. 1 answer
2. asked by maya
3. 951 views
a firm has 10 sales reps. In how many ways can they be assigned to two territories, with 7 reps in one territory and 3 in the
1. 0 answers
2. asked by sue
3. 949 views
can anybody please explain nomenclature to me ? how to name?for example: Na3PO3 NH4CLO2 AuNO2
1. 6 answers
2. asked by maya
3. 941 views
One end of a long 26 foot ladder is on the floor and the other end rests on a verical wall the bottom end of the ladder is
1. 1 answer
2. asked by Sarah
3. 939 views
collect like terms3a+2a^2+a-a^2
1. 1 answer
2. asked by Hector
3. 936 views
On the day a child was born, a lump sum P was deposited in a trust fund paying 6.5% interest compounded continuously. Use the
1. 1 answer
2. asked by leah
3. 934 views
the dart from a high-powered dart gun follows a path given by h(t)=-4t^2+62t+10 where h is the height in inches t seconds after
1. 1 answer
2. asked by tommy
3. 932 views
Bromine will react with limonene according to this reaction (there's a picture, but I can't get that on here. So I'll do my best
1. 0 answers
2. asked by Marvin
3. 931 views
IfC(x) = 15000 + 600x − 0.6x^2 + 0.004x^3 is the cost function and p(x) = 1800 − 6x is the demand function, find the
1. 0 answers
2. asked by Latisha
3. 931 views
The hypotenuse of a right triangle has one end at the origin and one end on the curve y = (x^4)(e^-7x), with x > 0. One of the
1. 0 answers
2. asked by Emily
3. 929 views
One canned juice drink contains 30% orange juice; another is 10% orange juice. How many liters of each should be mixed together
1. 1 answer
2. asked by GATOR
3. 929 views
In 1955 each farm worker in the United States produced enough food to feed 20 people. By 1960 farming methods had improved, and
1. 2 answers
2. asked by Bob
3. 907 views
The U.S. lesson learned from the Vietnam War was thata. public opinion could be ignored by leaders during wartime. b. nuclear
1. 0 answers
2. asked by HM
3. 907 views
change the boring verbs and ordinary adjectivespaul was sad when the football burst
1. 4 answers
2. asked by nouran
3. 906 views
Hello Sir/ Mam,I have assignments to be completed but really don't know where to start from i need help. I am doing Diploma in
1. 3 answers
2. asked by niks
3. 901 views
when you ride in a train that passes a train moving in the opposite direction, the other train appears to rush past you at a
1. 3 answers
2. asked by Andrew
3. 898 views
Show 25 broken key is 5 show 2 ways
1. 2 answers
2. asked by Basimah
3. 892 views
I have 2 biology questions I really need help with, they are due tommorow and I don't know if I'm right.1)As an energy carrier,
1. 0 answers
2. asked by Jake
3. 891 views
whats 14.9% as a decimal?
1. 1 answer
2. asked by barbra
3. 890 views
m1 = 2.7 kg block slides on a frictionless horizontal surface and is connected on one side to a spring (k = 40 N/m) as shown in
1. 2 answers
2. asked by joe
3. 886 views

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