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Questions Asked on April 12, 2013

1.Which of the following would not be a helpful audiovisual aid for a presentation on drought? a poster on the effects of
1. 14 answers
2. asked by Cassie
3. 6,044 views
Find the volume of the solid generated by revolving the region about the given line.The region in the second quadrant bounded
1. 3 answers
2. asked by Tiffany
3. 5,512 views
A student says that the solution of 375 = x – 28 is 347. Explain the student’s error and find the correct answer
1. 33 answers
2. asked by manny
3. 4,802 views
Find the absolute extrema of the function on the interval [2,3]. (Round your answers to the nearest hundredth.)Absolute Minimum
1. 4 answers
2. asked by Jacob
3. 4,656 views
an airplane has an airspeed of 430 miles per hour at a bearing of 135 degrees. the wind velocity is 35 miles per hour in the
1. 2 answers
2. asked by kayleigh
3. 3,648 views
Calculate E°cell (in volts) for a fuel cell that employs the reaction between methane gas and oxygen to form carbon dioxide and
1. 1 answer
2. asked by Anonymous
3. 3,566 views
A random sample of state gasoline taxes (in cents) is shown here for 12 states. Use the data to estimate the true population
1. 2 answers
2. asked by Salae .
3. 2,726 views
choose the phrase in which commas are used correctly to complete the sentence.Is ______ your favorite painter? A., Paul Cezanne,
1. 7 answers
2. asked by Cassie
3. 2,716 views
A mass and spring are arranged on a horizontal, frictionless table. The spring constant is k = 450 N/m, and the mass is 5.4 kg.
1. 1 answer
2. asked by HP
3. 2,606 views
In triangle ABC, D is the midpoint of AC and E is the midpoint of AB. BD and CE are perpendicular to each other and intersect at
1. 2 answers
2. asked by Ian
3. 2,497 views
Indicate whether each statement is true or false by checking the appropriate box in the table below.a. 2x is a factor of the
1. 2 answers
2. asked by peter
3. 1,915 views
Key: ☺ = My Answer!1. The thermal energy of an object is _____. its potential energy its average kinetic energy ☺ its
1. 6 answers
2. asked by Jman
3. 1,888 views
A group of swimmers is resting in the sun on an off-shore raft. They estimate that 2.5 m separates a trough and an adjacent
1. 2 answers
2. asked by Jessica
3. 1,771 views
For each trial, enter the amount of heat lost by the calorimeter, qcalorimeter.Be careful of the algebraic sign here and
1. 1 answer
2. asked by Jose
3. 1,664 views
Find the equation of the line tangent toF(x) = xe^-x at the point where x = 0. What does this tell you about the behavior of the
1. 1 answer
2. asked by Tima
3. 1,598 views
A projectile is fired vertically from Earth's surface with an initial speed v0. Neglecting air drag, how far above the surface
1. 2 answers
2. asked by Rachel
3. 1,597 views
4.Fill in the blank with a correct expression with tener to express the following. She is hot. Ella ________. Answer: ella
1. 4 answers
2. asked by Cassie
3. 1,572 views
Danette knows she is not at all like her parents. She could never be like them. She is her own unique person. Her style of
1. 2 answers
2. asked by Angela
3. 1,440 views
How many grams of kno3 can be dissolved in 100g of h2o at 50°c
1. 2 answers
2. asked by Kimdrick
3. 1,407 views
An unknown amount of gas occupies 30.0 L at 2.1 atm and 298K. How many moles does the sample contain? What is the mass if the
1. 0 answers
2. asked by Ryan
3. 1,289 views
Using the given boiling points, predict which compound has the higher vapor pressure at a given temperature.A. ethanol (C2H6O,
1. 1 answer
2. asked by Ryan
3. 1,288 views
Is it possible to have more than one vertical line of symmetry? Why???
1. 4 answers
2. asked by Corey
3. 1,281 views
Consider two glasses. Glass A has a composition of 5% CaO - 95% B2O3. Glass B has a composition of 15% CaO - 85% B2O3. Both
1. 1 answer
2. asked by adex
3. 1,223 views
If N2 is added to a balloon that contains O2 (partial pressure 450 mm Hg) and CO2 (partial pressure 150 mm Hg) to give a total
1. 1 answer
2. asked by Ryan
3. 1,170 views
a sameple of 137 firecrackers contained 6 duds. how many duds would you expect in a sample of 2466 firecrackers?
1. 2 answers
2. asked by pam
3. 1,163 views
The body of multicellular animals (salamanders, frogs and so on) is made of more than hundreddifferent kinds of somatic cells.
1. 0 answers
2. asked by S
3. 1,108 views
Behavioral geneticists and evolutionary psychologists emphasize:A. environmental influence on development. B. the role of
1. 2 answers
2. asked by Angela
3. 1,098 views
3. What are the units for Coeffecient of Lift?[kgm^-3] No units [Ns] [N^2] [N] [ms^-1] [kg] 4. What are the units for the ratio
1. 0 answers
2. asked by John
3. 1,081 views
A student needs to use a 0.750 mol sample of (NH4)2SO3 for an experiment: a. how many grams does she need to weigh out?b. how
1. 0 answers
2. asked by Jillian
3. 1,079 views
The Ka of a monoprotic weak acid is 4.47 × 10-3. What is the percent ionization of a 0.184 M solution of this acid?
1. 2 answers
2. asked by Dee
3. 1,066 views
How do I solve this via partial fraction decomposition?(x^2+9)/(x^4-2x^2-8)
1. 3 answers
2. asked by Micki
3. 1,055 views
Potassium hypobromite, KOBr, converts ammonia to nitrogen by the following reaction.3KOBr + 2NH3 N2 + 3KBr + 3H2O To prepare
1. 0 answers
2. asked by Paxton
3. 1,049 views
The lifetime of computer chips is approximately normal with mean 1.4×106 hours and standard deviation 3×105 hours. The
1. 1 answer
2. asked by Andy
3. 1,026 views
A boat is traveling on a bearing of 25 degrees East of North at a speed of 4 knots (a knot is 1.852 km/h). After traveling for 3
1. 4 answers
2. asked by Chad
3. 1,023 views
The average rate at which energy is conducted outward through the ground surface in a certain region is 30.9 mW/m2, and the
1. 1 answer
2. asked by Shane
3. 1,004 views
The unit selling price p (in dollars) and the quantity demanded x (in pairs) of a certain brand of women’s shoes are given by
1. 2 answers
2. asked by Wiz
3. 956 views
Indicate whether each statement is true or false by checking the appropriate box in the table below.a. 2x is a factor of the
1. 3 answers
2. asked by peter
3. 915 views
writing algebraic expressions:1. there were 3 times more sugar cookies baked than chocolate chip cookies 2. the kids ate 10
1. 1 answer
2. asked by Lori
3. 901 views
solving with elimination 7x-4y=13 2x-5y =-4
1. 1 answer
2. asked by anatoliy
3. 895 views
On the Child Development Checklist, you've checked the item "Spends time watching others at play"for a preschool child in your
1. 0 answers
2. asked by Anonymous
3. 895 views
Write in Scientific Notation1. (3X10to the tenth) (7X10to the -4th) 2. (5X10to the 4th)to the second Thanks so much!
1. 4 answers
2. asked by katy
3. 893 views
A small steel sphere of mass 0.40 kg is attached by a 0.50 m long cord to a swivel pin set into the surface of a frictionless
1. 0 answers
2. asked by Alex
3. 890 views
calculate the concentration of all ions present in 58.7 mg NH4Br in 500 mL of solution
1. 2 answers
2. asked by celine
3. 889 views
How does gravity help keep satellites in orbit?
1. 0 answers
2. asked by Anonymous
3. 886 views
choose the phrase in which commas are used correctly to complete the sentence.The Internet allows Frank to ________. A.play
1. 2 answers
2. asked by Cassie
3. 879 views
Behavioral geneticists and evolutionary psychologists emphasize:A. environmental influence on development. B. the role of
1. 5 answers
2. asked by Angela
3. 860 views
I have a box of tiles 12" x 12" - how many tiles will I need for a 9 foot x 12 foot room?
1. 1 answer
2. asked by Anonymous
3. 859 views
The table below shows the weekly earnings of two groups of employees working part-time at a local grocery store.GROUP A: $245,
1. 2 answers
2. asked by Alexandrea
3. 847 views
Suppose you start with a liquid mixture of 60% nitrogen and 40% oxygen.Describe what happens as the temperature of this mixture
1. 1 answer
2. asked by Tina
3. 843 views
what religion did India's mughal conquerors follow
1. 5 answers
2. asked by sydney
3. 823 views
I did an experiment today called "removing tarnish". we removed tarnish from a fork wrapped in foil paper.Now i have to answer
1. 3 answers
2. asked by jontson
3. 820 views
A car weighing 24,500 Newtons is traveling east and travels a distance of 100 meters in 20 seconds. What is the car's mass? What
1. 1 answer
2. asked by Lele Reynolds
3. 818 views
Factor each polynomial, if possible. If the polynomial cannot be factored, write prime.15b^2-24bf
1. 1 answer
2. asked by Melea
3. 813 views
Jeremy got scores of 93,82,91, and 88 on his first four math test. What score must he get on the fifth test to have an average
1. 3 answers
2. asked by Jazmin
3. 798 views
The means of travel within and between neurons is different because:A. electrical signals move impulses within the neuron, while
1. 1 answer
2. asked by Angela
3. 791 views
Consider a regular pyramid charged with constant volume charge density. The potential at point P, the top of the pyramid is 1V.
1. 3 answers
2. asked by Ian
3. 789 views
solving with elimination 7x-4y=13 2x-5y =-4
1. 1 answer
2. asked by anatoliy
3. 787 views
The unit selling price p (in dollars) and the quantity demanded x (in pairs) of a certain brand of women’s shoes are given by
1. 0 answers
2. asked by Wiz
3. 785 views
What mass (in grams) of steam at 100°C must be mixed with 446 g of ice at its melting point, in a thermally insulated
1. 3 answers
2. asked by HELP
3. 780 views
if n is an odd positive integer,then prove that n^2 -1 is divisible by 8
1. 1 answer
2. asked by anoynomous
3. 773 views
Estimate the area under the graph of 25−x 2 from x = 0 to x = 5 using 5 left rectangles.b. Sketch for yourself the graph of f
1. 1 answer
2. asked by Daniel
3. 767 views
Find the coordinates of the center of the ellipse represented by 4x^2 + 9y^2 – 18y – 27 = 0.For 2x^2 + xy + 2y^2 = 1, find ,
1. 2 answers
2. asked by Becca
3. 766 views
Before solving the problem write a balancedchemical equation Excess aqueous NaI was added to 50 mL of aqueous CuNO3 solution,
1. 0 answers
2. asked by Nick
3. 758 views
The War of 1812-also called the second war of American Independence or by opponents the dersive (----).U.S.declared war on
1. 5 answers
2. asked by joy
3. 731 views
Identify one environmental or human factor that causes ill health,accidents,crises and disasters within any community within
1. 2 answers
2. asked by Boitumelo
3. 731 views
What is the pronoun in let us think of a way to clean up litter,said matt and lynn .then write the underline words that they
1. 1 answer
2. asked by Anonymous
3. 729 views
Alan went from San Francisco to Los Angeles ,about 400 miles,averaging (x+5)mph.On his journey from Los Angeles to Redding,about
1. 1 answer
2. asked by tala
3. 729 views
When Nelson Mandela received the Nobel Peace Prize, he gave a speech in which he noted the contributions of Martin Luther King
1. 1 answer
2. asked by Jerald
3. 719 views
Lilly collects data on a sample of 40 high school students to evaluate whether the proportion of female high school students who
1. 0 answers
2. asked by jos
3. 719 views
During a free kick at a soccer playoff game a 0.7 kg ball at the peak of the kick 14.7 m above the field had a kinetic energy of
1. 1 answer
2. asked by Lawng
3. 713 views
Having trouble verifying this identity...cscxtanx + secx= 2cosx This is what I've been trying (1/sinx)(sinx/cosx) + secx = 2cosx
1. 2 answers
2. asked by Alex
3. 711 views
The pH of an 0.0870 M solution of weak acid A is 2.20. The pH of an 0.0830 M solution of weak acid B is 4.07. The pH of an
1. 1 answer
2. asked by Maddie
3. 711 views
getting ready to turn this in just want to check my answers any takers??1. In an atom, electrons ____. (1 point) are located in
1. 6 answers
2. asked by T-mara
3. 709 views
choose the phrase in which commas are used correctly to complete the sentence.I don’t know very much about _________.
1. 2 answers
2. asked by Cassie
3. 698 views
A glass of composition 85% SiO2 - 15% K2O is to be surface strengthened by ion exchange. To this end, two identical specimens
1. 4 answers
2. asked by adex
3. 698 views
If the first of 1000 consecutive whole numbers is odd, their sum must bea) even b) odd c)prime d) negative Help?
1. 2 answers
2. asked by kate
3. 696 views
A pouch contains 59 green beads 78 red beads an 50 yellow beads how many blue beads should be added so that the probability of
1. 1 answer
2. asked by morris
3. 695 views
How many grams of NaF should be added to 612 ml of 0.4 M HF (Ka = 6.8 x 10-4) to produce a buffer solution where pH = 3.10?
1. 1 answer
2. asked by Ashley
3. 694 views
The volume of 0.100 mol of helium gas at 34°C is increased isothermally from 1.00 L to 4.50 L. Assuming the gas to be ideal,
1. 1 answer
2. asked by sarah
3. 693 views
I keep trying to solve this by factring but I can't seem to get! It's so frustrating!The problem is 1+tan2x=0 This is how I
1. 1 answer
2. asked by Jen
3. 691 views
Having problems with a introductory sentence. Its a essay on dying and living.I wrote a question to start my intro. Sentence. Or
1. 2 answers
2. asked by Mike
3. 691 views
Which of the following statements describes why ion exchange of 99% SiO2 - 1% B2O3 in a salt bath of molten postassium chloride
1. 1 answer
2. asked by adex
3. 690 views
Consider the process of charging a parallel plate capacitor with circular plates of radius R=5 cm separated by a distance d=0.2
1. 1 answer
2. asked by dd
3. 688 views
The french and indian warbegan in the colonies in the year 1754 and ended in the year 1763 in the colonies,the main reason for
1. 7 answers
2. asked by joy
3. 686 views
Which of these processes will lower the glass transition temperature of a glass? Increase the cooling rate, Decrease the cooling
1. 2 answers
2. asked by adex
3. 674 views
During a thunderstorm, the separation between the clouds and the earth acts as a giant capacitor with a capacitance of 2,500 µF
1. 0 answers
2. asked by shirley
3. 672 views
Monosodium glutamate (aka MSG) NaC5H8NO4 is used as a food additive for flavor or as a preservative.a. what is the mass of MSG
1. 0 answers
2. asked by Jillian
3. 664 views
Fill in the blank with the correct German form.Das Kind ____ die Straße überquert. ist sind hat sein
1. 1 answer
2. asked by bubbie
3. 660 views
You are a maker of hot air balloons and wish to construct a balloon that will lift you and a friend to places unknown. Your
1. 8 answers
2. asked by Ian
3. 658 views
solve 1/2 + 17/35 =
1. 1 answer
2. asked by lisa
3. 658 views
Please mark below all of the statments that correctly describe the physical properties of glass.Glasses do not have slip
1. 3 answers
2. asked by adex
3. 630 views
Find the coordinates of the center of the ellipse represented by 4x^2 + 9y^2 – 18y – 27 = 0.For 2x^2 + xy + 2y^2 = 1, find ,
1. 1 answer
2. asked by Becca
3. 626 views
What wavelength of sound would a bat need to detect a 1cm diameter mosquito? Also, if it took 0.3 seconds for sound to return to
1. 1 answer
2. asked by Shelby
3. 619 views
Good day , please can you assist me with answering the following questions. There is a short paragraph describing a young man
1. 1 answer
2. asked by CATHY
3. 617 views
1. A _______-centered program is most helpful to the children served.A. family B. child C. school D. parent 2. The vision and
1. 1 answer
2. asked by R.M.K
3. 615 views
ou are completing the final exam in your class. Your instructor’s assignment instructions state that you may only use the
1. 1 answer
2. asked by ashley
3. 611 views
Compare the total magnetic energy in two solenoids, each with N turns, area A, and current I, but length x and 2x. Denote Ux the
1. 1 answer
2. asked by dd
3. 594 views
Car A, with a mass of 1250 kg, is traveling at 30 m/s to the east. A truck with mass of 2000 kg, traveling to the west at 25
1. 1 answer
2. asked by Amandos Leonard
3. 592 views
Dr. Lange is a developmental psychologist. He specialized in cognitive development during the period of infancy. Like most
1. 1 answer
2. asked by Angela
3. 588 views
4. Identify what is wrong with the following sentence: “Not realizing that there was a hole in the tire”. Then, revise the
1. 1 answer
2. asked by Shorty
3. 586 views

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