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2012
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Questions Asked on October 4, 2012

HELP HELPWhen a chameleon captures an insect, its tongue can extend 16 cm in 0.10 s. (a) Find the magnitude of the tongue’s
1. 2 answers
2. asked by beginner
3. 8,943 views
Find the maximum and minimum volumes of a rectangular box whose surface area is 1300 cm2 and whose total edge length is 200 cm.
1. 4 answers
2. asked by Becky
3. 8,744 views
Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15
1. 1 answer
2. asked by Phil
3. 8,416 views
4.Wei-Min makes a square quilt that has an area of 100 square feet. It has 25 square blocks, each the same size. What is the
1. 22 answers
2. asked by Delilah
3. 6,063 views
Need Help with physics!Two cars drive on a straight highway. At time t = 0, car 1 passes mile marker 0 traveling due east with a
1. 1 answer
2. asked by Brandon
3. 4,976 views
A jet makes a landing traveling due east with a speed of 100 m/s. If the jet comes to rest in 15.0 s, what is the magnitude and
1. 2 answers
2. asked by freshmen
3. 4,446 views
The speed of a bobsled is increasing because it has an acceleration of 2.4 m/s2. At a given instant in time, the forces
1. 2 answers
2. asked by Donald
3. 4,294 views
When you see a traffic light turn red, you apply the brakes until you come to a stop. Suppose your initial speed was 12.9 m/s,
1. 1 answer
2. asked by Chad
3. 4,227 views
Calculate the freezing point of a solution contaning 5.0 grams of KCl and 550.0 grams of water.answer is -0.45 C but i don't
1. 1 answer
2. asked by Paloa
3. 3,779 views
Richard has just been given a 4-question multiple-choice quiz in his history class. Each question has five answers, of which
1. 2 answers
2. asked by Collie
3. 3,740 views
What would be the scale factor if an airplane is 87 feet long; 2 inches = 15 feet
1. 5 answers
2. asked by randomchik
3. 3,083 views
Find the value of x for which the numbers x+1, x+3, x+7, are in geometric progression.
1. 1 answer
2. asked by Anonymous
3. 2,630 views
A fire breaks out and increases the Kelvin temperature of a cylinder of compressed gas by a factor of 1.4. What is the final
1. 1 answer
2. asked by KeKe
3. 2,604 views
A 5.9-kg rock and a 3.0 10-4-kg pebble are held near the surface of the earth.(a) Determine the magnitude of the gravitational
1. 1 answer
2. asked by D
3. 2,430 views
A daredevil decides to jump a canyon. It's walls are equally high and 13 m apart. He takes off by driving a motorcycle up a
1. 2 answers
2. asked by Anonymous
3. 1,935 views
Suppose that 30.0 mL of 0.20 M C6H5COOH(aq) is titrated with 0.30 M KOH(aq)(a) What is the initial pH of the 0.20 M
1. 2 answers
2. asked by Zell
3. 1,825 views
The combustion of benzoic acid releases 26.38kJ/g and is often used to calibrate a bomb calorimeter. the combustion of 1.045 g
1. 4 answers
2. asked by Alisha
3. 1,802 views
Jane and kathy are playing a game of marbles. In each game the loser gives the other girl a marble. When they finished, Jane had
1. 2 answers
2. asked by Abbie
3. 1,795 views
A certain computer can perform 10^5 calculations per second. How many calculations can it perform in 10 seconds?I just cannot
1. 3 answers
2. asked by Delilah
3. 1,773 views
What mass of NaCl is contained in 24.88g of a 15.00% by mass solution of NaCl in water?the answer is 3.73g but i don't know how
1. 2 answers
2. asked by Alaine
3. 1,759 views
Pentagon ABCDE ~ Pentagon FGHIJ. Find BC for GH =12, IJ = 15 and DE = 10
1. 5 answers
2. asked by randomchik
3. 1,749 views
An electron is a subatomic particle (m = 9.11 10-31 kg) that is subject to electric forces. An electron moving in the +x
1. 1 answer
2. asked by Anonymous
3. 1,749 views
An automobile tire has a pressure of 325 kPa when the temperature is 10 degrees Celsius. If the temperature of the tire rises to
1. 1 answer
2. asked by Britani
3. 1,692 views
A 16-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 35 N. Starting from rest, the
1. 1 answer
2. asked by Rob
3. 1,640 views
A person pulls a toboggan for a distance of 34.6 m along the snow with a rope directed 29.3 ° above the snow. The tension in
1. 1 answer
2. asked by Rob
3. 1,640 views
a social security number contains nine digits such as 074-66-7795. how many different social security numbers can be formed?
1. 1 answer
2. asked by Pat
3. 1,631 views
A man is running at speed c (much less than the speed of light) to catch a bus already at a stop. At t=0, when he is a distance
1. 2 answers
2. asked by metu
3. 1,503 views
A jet makes a landing traveling due east with a speed of 110 m/s. If the jet comes to rest in 11.0 s, what is the magnitude and
1. 2 answers
2. asked by beginner
3. 1,463 views
The steel ball is suspended from the accelerating frame by the two cords A and B. The angles (they are on the inside) are both
1. 3 answers
2. asked by Ian
3. 1,447 views
What is the distinguishing characteristic between accounts receivable and notes receivable?a. Notes receivable generally specify
1. 0 answers
2. asked by Anton
3. 1,415 views
Explain how to factor the following trinomials forms: x2 + bx + c and ax2 + bx + c. Is there more than one way to factor this?
1. 1 answer
2. asked by Tammie
3. 1,394 views
tan^2theta+6=sec^2theta+5
1. 1 answer
2. asked by Colt
3. 1,380 views
Joe has a ring weighing 16 grams made of an alloy of 20% silver and the rest gold. He decides to melt down the rings and add
1. 1 answer
2. asked by Toulouse
3. 1,372 views
a painting is made od 3 concentric squares. the side lenght of the largest square is 24 cm what is the area of the painting
1. 1 answer
2. asked by Anonymous
3. 1,348 views
a 210 Newton force is applied to a piston, the force produced is 320 kPa of pressure, what's the area of the piston?
1. 1 answer
2. asked by avery
3. 1,343 views
. For the table that follows, answer the following questions:x y 1 -1 2 -5 3 -9 4 - Would the correlation between x and y in the
1. 1 answer
2. asked by mom
3. 1,301 views
A space traveler weighs 635 N on earth. What will the traveler weigh on another planet whose radius is three times that of earth
1. 1 answer
2. asked by Donald
3. 1,288 views
a sample of sodium-24 with an activity of 12 mCi is used to study the rate of blood flow in the circulatory system. If sodium-24
1. 1 answer
2. asked by rachel
3. 1,284 views
A quantity of steam (200 g) at 126°C is condensed, and the resulting water is frozen into ice at 0°C. How much heat was
1. 1 answer
2. asked by KeKe
3. 1,247 views
The hard disk in a laptop computer contains a small disk that rotates at a rate of 5000 rpm. If this disk has a radius of 2.3
1. 1 answer
2. asked by John
3. 1,245 views
determine the volume of 45mM ethanol needed to make 1700 microliters that has a final ethanol concentration of 26.5mM?
1. 1 answer
2. asked by Cris
3. 1,218 views
A train leaves the station at 9:00 pm traveling east at 36 miles per hour. A second train leaves the station at 10:00 pm
1. 2 answers
2. asked by ash
3. 1,214 views
Find the equation of the tangent plane at the given point.1)x^2+y^2-z=1 at the point (1,3,9) 2)x^2*y^2+z-40=0 at x=2, y=3 3)
1. 1 answer
2. asked by Alicia
3. 1,208 views
The heat of formation of gaseous octane (C8H18(g)) is -49.79 kcal/mole. (a) Calculate the energy required to form one mole of
1. 0 answers
2. asked by pius
3. 1,182 views
What processes cause changes in settlement patterns?
1. 2 answers
2. asked by Melissa
3. 1,159 views
I am trying to figure out what functional group the compound CH2ClCH3 is in.I know that it is not a ketone, alcohol, ester,
1. 2 answers
2. asked by hannah
3. 1,140 views
what is the result of using 75g of dihydronoxybutanedioric acid in one liter of H2O in a titration?I do not have a answer.
1. 3 answers
2. asked by Stephen
3. 1,137 views
A 301-kg boat is sailing 16.5° north of east at a speed of 2.08 m/s. Thirty seconds later, it is sailing 37.2° north of east
1. 0 answers
2. asked by Anonymous
3. 1,132 views
the inside of the book shelf is 59in high. the five shelves in it are equally spaced and each shelf is 1in thick. what is the
1. 1 answer
2. asked by Anonymous
3. 1,127 views
A batter hits a baseball from 3eet above home plate along the path x=69t, y=3+40t-16t(squared.)
1. 2 answers
2. asked by steve
3. 1,110 views
What is the momentum of a 100 kilogram football player moving with a speed of 3.5 meters/second. The units should be written as
1. 1 answer
2. asked by Laura
3. 1,103 views
Integrate e^2x/e^x 1....plzz note e^x 1 as a whole is the denominator
1. 6 answers
2. asked by abhi
3. 1,097 views
Speeds for a randomly selected sample of n = 36 vehicles will be recorded. Determine the values that fill in the blanks in the
1. 1 answer
2. asked by margie wilcox
3. 1,085 views
a pitching machine throws a baseball at a batter with an initial velocity of 22.0 m/s at an angle of 30 degrees to the
1. 4 answers
2. asked by jhon
3. 1,071 views
A particular oral contraceptive contains 0.041 mg of ethinyl estradiol in each pill. The formula of this compound is C20H24O2.
1. 3 answers
2. asked by Jess
3. 1,063 views
Two packing crates of masses 10.89 kg and 2.59 kg are connected by a light string that passes over a frictionless pulley as in
1. 1 answer
2. asked by lib
3. 1,053 views
A solution of the primary standard potassium hydrogen phthalate, KHC8H4O4, was prepared by dissolving 0.4877 g of potassium
1. 3 answers
2. asked by amanda1012
3. 1,053 views
If the correlation coefficient is -0.54, what is the sign of the slope of the regression line?- As the correlation coefficient
1. 1 answer
2. asked by mom
3. 1,051 views
Two cars, 127 miles apart, start moving towards each other at the same time. One is moving 3 times as fast as the other. If they
1. 4 answers
2. asked by Avery
3. 1,049 views
How do you solve forf(x) = -5sin(θ/3) ?
1. 3 answers
2. asked by John
3. 1,036 views
Total ten pair of gloves are there. If I choose five gloves at random then whats the probability that there is at least one
1. 3 answers
2. asked by Genie_math
3. 1,028 views
How do you use a venn diagram to find the GCF and LCM of two or more factors. This is what a venn diagram looks like:()() <---
1. 4 answers
2. asked by Angelina
3. 1,012 views
You drive a car 2.0 km to the gas station, 4.0 km to the shopping mall to let your mother off, and 4.5 km back home. The trip
1. 2 answers
2. asked by Skylar
3. 1,008 views
Solve the following for the indicated variable.V = 1/3Bh for B (volume of a pyramid)
1. 1 answer
2. asked by Aaron
3. 1,007 views
A glass melting furnace is burning ethane (C2H4) in pure oxygen (not air). The furnace operates at an equivalence ratio of 0.9
1. 0 answers
2. asked by paul
3. 1,004 views
at this rate how many minivans would pass luann if 60 vehicles passed her? HINT; minivans= 15
1. 6 answers
2. asked by abby
3. 1,004 views
Why is gas a chemical reaction not detectable by sight? Explain?my answer is because the atoms or molecules of matter in the
1. 1 answer
2. asked by Lea
3. 1,002 views
Find dy/dx by implicit differentiation.x^3 - 3x^2y + 2xy^2 =12 Please show me the work/steps on how to do it.
1. 1 answer
2. asked by Guest
3. 996 views
A sample of oil has a mass of 65g and a volume of 80.0 mL. What is the density?
1. 1 answer
2. asked by sherry
3. 989 views
What human and physical features influence the size and distribution of settlements?
1. 3 answers
2. asked by Melissa
3. 982 views
To keep his basketball team hydrated, Daniel mixes a powdered sports drink with cold water. For best taste the mix should be 96%
1. 0 answers
2. asked by James
3. 977 views
A 200 man is running 3 miles per hour and collides with a 125 pound man. If the larger man transfers all of his momentum to the
1. 0 answers
2. asked by Laura
3. 973 views
How many milliliters of an aqueous solution of 0.219 M magnesium bromide is needed to obtain 10.1 grams of the salt ?
1. 3 answers
2. asked by Connor
3. 973 views
the angle between i +j and i isa. pi/6 b. pi/2 c. pi/3 d. pi/2
1. 2 answers
2. asked by qwertyuiop
3. 964 views
CORRECTION.The selling price of a pencil box was $4. Chee Keong bought the pencil box and paid $4.28 including GST. What
1. 2 answers
2. asked by Zayn
3. 962 views
Centrifuges are commonly used in biological laboratories for the isolation and maintenance of cell preparations. For cell
1. 2 answers
2. asked by Liz
3. 961 views
A 59-kg housepainter stands on a 16-kg aluminum platform. The platform is attached to a rope that passes through an overhead
1. 1 answer
2. asked by Madi
3. 953 views
The acceleration due to gravity on planet X isone fifth that on the surface of the earth. If it takes 3.9 s for an object to
1. 2 answers
2. asked by Joe
3. 948 views
[2 marks] Fashion One Chain Store found that t weeks after the end of a sales promotion the volume of sales was given byS(t)B
1. 0 answers
2. asked by mawadda
3. 943 views
Two forces, 1 and 2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 47.5 N and F2 = 34.5
1. 1 answer
2. asked by Anonymous
3. 941 views
What processes cause changes in settlement patterns?
1. 3 answers
2. asked by Melissa
3. 937 views
a steel ball rolls off a table top 60 cm high. if the ball strikes the floor at a distance 50 cm from the base of the table,
1. 0 answers
2. asked by Anonymous
3. 937 views
How much of the earth's surface is water?
1. 1 answer
2. asked by Erin :)
3. 934 views
how has the process of natural selection helped to produce organisms which posses specific adaptions to help them survive in
1. 0 answers
2. asked by cristina
3. 931 views
Vamos a... Form sentences using the following information. Use ir a + infinitive in each sentence to express what the subject is
1. 4 answers
2. asked by Riley
3. 928 views
What is the mass of 1120cm cube of hydrogen gas at 750mmHg and 40 degree celsius
1. 1 answer
2. asked by Femi
3. 908 views
Heather and Matthew walk eastward with a speed of .85 m/s east. If it takes them 50 min to walk to the store, how far have they
1. 0 answers
2. asked by Diondre
3. 907 views
Explain how to factor the following trinomials forms: x2 + bx + c and ax2 + bx + c. Is there more than one way to factor this?
1. 1 answer
2. asked by Austin
3. 903 views
A bowling ball (mass = 7.2 kg, radius = 0.14 m) and a billiard ball (mass = 0.40 kg, radius = 0.028 m) may each be treated as
1. 1 answer
2. asked by Donald
3. 901 views
Can you make sure my Algebra II work is correct? I've done the problems. I just want to make sure I am right.1. Write an
1. 1 answer
2. asked by Andrea
3. 895 views
A bean sprout grows 3 inches in its first week, 2 inches in its second week, and 1.333 inches in its third week. If the sprout's
1. 3 answers
2. asked by George
3. 895 views
On her first test in algebra, Mary earned a score of 75, and she made an 85 on her first psychology test. If the average score
1. 1 answer
2. asked by Amber
3. 881 views
What is the answer to the following:Many ____ stomachs were often empty. A refugees B refugee's C refugees' D refugees's
1. 1 answer
2. asked by B
3. 879 views
A large box whose mass is 19.0 kg rests on a frictionless floor. A mover pushes on the box with a force of 235 N at an angle
1. 1 answer
2. asked by josephz
3. 873 views
The punter on a football team tries to kick a football so that it stays in the air for a long "hang time." If the ball is kicked
1. 1 answer
2. asked by Molly
3. 869 views
my friend also need idea to write about independent story, he not want to do one on human, what he write about animals?
1. 3 answers
2. asked by Mohammad
3. 858 views
You have a gaseous octane (C8H18(g)). Calculate the lower heating value (LHV) and higher heating value (HHV) of the given fuel
1. 0 answers
2. asked by paul
3. 846 views
How do I solve x^2+4y^3=-828 at pont (-6,-6)The slope=
1. 0 answers
2. asked by Richard
3. 824 views
Suppose that you have $12,500 to invest over a 4 year period. There are two accounts to choose from: 4.5% compounded monthly or
1. 0 answers
2. asked by bob
3. 824 views
Two investments earn a total annual income of $2825. One investment is in a 6.75% annual simple interest certificate of deposit.
1. 0 answers
2. asked by ethan
3. 818 views

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