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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. 6,018 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. 5,472 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. 4,770 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. 4,622 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. 3,618 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. 3,530 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. 2,712 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. 2,693 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. 2,581 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. 2,471 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. 1,891 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. 1,860 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. 1,750 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. 1,649 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. 1,572 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. 1,569 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. 1,553 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. 1,421 views
How many grams of kno3 can be dissolved in 100g of h2o at 50°c
1. 2 answers
2. asked by Kimdrick
3. 1,386 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. 1,270 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. 1,264 views
Is it possible to have more than one vertical line of symmetry? Why???
1. 4 answers
2. asked by Corey
3. 1,259 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. 1,193 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. 1,143 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. 1,140 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. 1,086 views
Behavioral geneticists and evolutionary psychologists emphasize:A. environmental influence on development. B. the role of
1. 2 answers
2. asked by Angela
3. 1,077 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. 1,062 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. 1,055 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. 1,043 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. 1,030 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. 1,025 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. 999 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. 995 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. 983 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. 927 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. 893 views
solving with elimination 7x-4y=13 2x-5y =-4
1. 1 answer
2. asked by anatoliy
3. 877 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. 873 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. 873 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. 872 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. 872 views
How does gravity help keep satellites in orbit?
1. 0 answers
2. asked by Anonymous
3. 865 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. 865 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. 849 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. 842 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. 829 views
Behavioral geneticists and evolutionary psychologists emphasize:A. environmental influence on development. B. the role of
1. 5 answers
2. asked by Angela
3. 811 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. 811 views
what religion did India's mughal conquerors follow
1. 5 answers
2. asked by sydney
3. 803 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. 803 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. 792 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. 790 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. 771 views
solving with elimination 7x-4y=13 2x-5y =-4
1. 1 answer
2. asked by anatoliy
3. 770 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. 759 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. 757 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. 755 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. 747 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. 745 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. 740 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. 739 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. 732 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. 713 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. 713 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. 713 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. 702 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. 699 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. 693 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. 688 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. 687 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. 680 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. 677 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. 676 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. 672 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. 671 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. 671 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. 670 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. 668 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. 667 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. 663 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. 661 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. 659 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. 657 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. 655 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. 654 views
solve 1/2 + 17/35 =
1. 1 answer
2. asked by lisa
3. 647 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. 638 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. 632 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. 632 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. 609 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. 608 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. 604 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. 602 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. 587 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. 584 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. 567 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. 565 views
Lisa borrowed 8,000 on an 8% , 60 day note after 15 days she paid 2,000 on the note on day 45 she paid 1,000 on the note what is
1. 0 answers
2. asked by Rhonda
3. 564 views
if my quote is exactly 4 lines do i have to indent it using MLA formatting an citations
1. 1 answer
2. asked by Kendra
3. 561 views

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