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2013
January

Questions Asked on January 15, 2013

What is the spring constant of a spring that stretches 2.00 cm when a mass of 0.600 kg is suspended from it?Answer i know the
1. 2 answers
2. asked by v
3. 8,310 views
Find parametric equations for the line that is perpendicular to the plane 2x-y+3z=7 and intersects the plane when x=1 and y=1.
1. 1 answer
2. asked by Zac
3. 566 views
a ball is dropped from a height of 10 ft. if the ball's height after t sec is modeled by the following equation h(t)=-16t^2+10.
1. 1 answer
2. asked by sara
3. 524 views
The length of the rectangle is 4 more than twice its width and its perimeter is 70m. What are the dimensions of the rectangle?
1. 3 answers
2. asked by Anonymous
3. 707 views
For the functions f and g find forf(x)=x^2, g(x)=x+1 a)f(g(1)) b)g(f(1)) c)f(g(x)) d)g(f(x)) e)f(t)g(t)
1. 1 answer
2. asked by Mike
3. 278 views
Rank the following atoms from highest to lowets energy: Ca, Be, Ba, C
1. 0 answers
2. asked by Anonymous
3. 333 views
When an air capacitor with a capacitance of 400 (1 = ) is connected to a power supply, the energy stored in the capacitor is
1. 1 answer
2. asked by Patty
3. 495 views
When an air capacitor with a capacitance of 400 (1 = ) is connected to a power supply, the energy stored in the capacitor is
1. 1 answer
2. asked by Patty
3. 553 views
determine which two intergers the following irrational number lie
1. 1 answer
2. asked by kamo
3. 405 views
I need some help with a few problems. They are multiple choice but need a breakdown on how I can work the problems. Thanks for
1. 2 answers
2. asked by Kristen
3. 764 views
The image of the point (1, -2) after a rotation of 180° about the origin is
1. 1 answer
2. asked by jessie
3. 956 views
The image of the point (1, -2) after a rotation of 180° about the origin is
1. 0 answers
2. asked by jessie
3. 492 views
The image of the point (1, -2) after a rotation of 180° about the origin is
1. 0 answers
2. asked by jessie
3. 532 views
Two people are holding a box. One person exerts a force of 140 pounds at an angle of 65.5 degrees with the horizontal. The other
1. 1 answer
2. asked by Jane Smith
3. 2,613 views
Solve the equation. Check your solution. 164=x-59
1. 2 answers
2. asked by jenny
3. 871 views
solve using substitution:4x+9y=24 y=1/3x+2
1. 1 answer
2. asked by Taylor
3. 769 views
What are the independent and dependent variables in the following----- The Effect of Magnet Status on the Perception of Autonomy
1. 1 answer
2. asked by Janna
3. 458 views
A sealed flask contains 0.60 g of water at 28 degrees celcius. The vapor pressure of water at this temperature is 28.36 mmHg.Wha
1. 1 answer
2. asked by Amy
3. 838 views
solve using substitution:4x+9y=24 y=1/3x+2
1. 1 answer
2. asked by Taylor
3. 303 views
An aqueous solution containing 34.6 g of an unknown molecular nonelectrolyte compound in 142.0 g of water was found to have a
1. 0 answers
2. asked by Amy
3. 838 views
I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to
1. 2 answers
2. asked by Krissy
3. 469 views
solve using substitution:4x+9y=24 y=1/3x+2
1. 2 answers
2. asked by Taylor
3. 296 views
I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to
1. 1 answer
2. asked by Krissy
3. 951 views
do you think the efforts to improve air quality are worth the economic goals?
1. 1 answer
2. asked by A
3. 359 views
What force is needed to give a 0.25-kg arrow an acceleration of 196 m/s2?A. 0.25 N B. 49 N C. 196 N D. 748 N
1. 5 answers
2. asked by Jacob
3. 1,487 views
what is the magnification of an object 2cm tall when placed 10cm in front of a plane mirror?
1. 1 answer
2. asked by christiana
3. 1,341 views
solve the linear equation: 3X2y-7=19,4y-y+27=4y-52=32.?
1. 4 answers
2. asked by jonathan ahmadu
3. 410 views
1. How does displacement change with time for a falling object? How might you describe the mathematical relationship between the
1. 1 answer
2. asked by Isabella
3. 3,291 views
Discuss, in detail, the role played by DNA and RNA in genetic diseases. What are the breakthroughs, if any, in the
1. 2 answers
2. asked by zachary
3. 476 views
solve the linear equation: 3X2y-7=19,4y-y+27=4y-52=32.?
1. 1 answer
2. asked by jonathan ahmadu
3. 404 views
Will you please check my answers?1. Mary Stevens earns $6 an hour at her job and is entitled to time-and-a-half for overtime,
1. 3 answers
2. asked by Anonymous
3. 918 views
A small ball is thrown vertically upwards with an initial velocity of 40m/s. Find:(1) its velocity after moving 3 seconds(2) the
1. 1 answer
2. asked by davido
3. 528 views
A small ball is thrown vertically upwards with an initial velocity of 40m/s. Find:(1) its velocity after moving 3 seconds(2) the
1. 1 answer
2. asked by davido
3. 1,510 views
For the following studies, identify the possible target population, elementary unit, sampling frame, sampled population and
1. 0 answers
2. asked by Cho
3. 417 views
I don't understand help1. A person who translates speeches would have to know how to (1 point) draw pictures. use a microphone.
1. 4 answers
2. asked by Randey
3. 515 views
3. The average weekly allowance of students last year at a private high school was Php 800.00 per week, based on an enrollment
1. 1 answer
2. asked by Cho (Please help me)
3. 2,562 views
1. How does displacement change with time for a falling object? How might you describe the mathematical relationship between the
1. 1 answer
2. asked by Isabella
3. 612 views
A line through through the point (3,0) meet the variable line y=tx at right angle at the point P.Find in terms of t, the
1. 3 answers
2. asked by Anonymous
3. 2,751 views
In “The Turtle” from The Grapes of Wrath, how does the stem of the wild oat seeds use the turtle to carry it to a place
1. 2 answers
2. asked by Gary
3. 584 views
A bat emits a sound whose frequency is 83.2 kHz. The speed of sound in air at 20.0 oC is 343 m/s. However, the air temperature
1. 2 answers
2. asked by Orla
3. 1,044 views
On a curved roadway of radius 100m, the suggested speed is 35mph(approximately 16m/s). What must the coefficient of friction be
1. 2 answers
2. asked by Bryan
3. 703 views
a 6.33-Liter football is filled with air at 1.75 atm at 25.5 degrees Celcius. At the same temperature, the volume of the
1. 1 answer
2. asked by Austin
3. 555 views
Jo bought an item for 45¢, and paid with a $1.00 bill. How many different ways could she get her 55¢ change with combinations
1. 1 answer
2. asked by ashly
3. 464 views
Hi. I need help with one question, and then I need someone to check my others. The first one is the one I need help with. Thank
1. 10 answers
2. asked by Jman
3. 589 views
find the vector and the cartesian equation of the line passing through (1,2,3) and parallel to the planes x-y+2z=5 and 3x+y+z=6
1. 1 answer
2. asked by Anonymous
3. 523 views
What is 288 in exponential form?
1. 1 answer
2. asked by Tebogo
3. 581 views
a 40 kg child slides down a frictionless playground slide from a height of 2.0m.What is her speed at the bottom of the slide?
1. 1 answer
2. asked by Jazzy
3. 1,904 views
Last one for today! Again would appreciate a breakdown on how to get to a resolution. It is multiple choice.1. Simplify the
1. 1 answer
2. asked by Krissy
3. 1,030 views
Write the balanced equation of the reaction described below. Include the states (s, l, aq, g) for the reactants and products.Whe
1. 4 answers
2. asked by thad
3. 887 views
Sally dilivered 148 newspapers and received $0.03 per paper. What were herearnings?
1. 2 answers
2. asked by Lyn
3. 371 views
(3 points) Frank invests $2,745 for 3 years at a rate of 3.5%. How much interest did Frank make? PLEASE HELP SOOOON!!!
1. 1 answer
2. asked by Haylie
3. 410 views
2. Summer occurs on the hemisphere of Earth that is _____.turned away from the sun tilted toward the sun tilted away from the
1. 5 answers
2. asked by Jman
3. 2,020 views
find the vector and the cartesian equation of the line passing through (1,2,3) and parallel to the planes x-y+2z=5 and 3x+y+z=6
1. 1 answer
2. asked by Anonymous
3. 451 views
what mass of Al(NO3)3 is required to remove 155g of Ba(NO3)2?
1. 1 answer
2. asked by Anonymous
3. 354 views
bob can fill bucket in 25 seconds in the sink, sue can fill same bucket in 17 seconds with hose, how much longer will it take
1. 1 answer
2. asked by Jen
3. 384 views
Two shirts cost $12.50. How much will it cost to buy five of the shirts?Select all the pairs of ratios that form a proportion.
1. 16 answers
2. asked by Anonymous
3. 3,804 views
A band poster that measures 90 cm by 40 cm is reduced by a scale factor of 1/6 so it can fit on a postcard.a) What are the
1. 1 answer
2. asked by jenny
3. 538 views
A 60g piece of ice at an intial temperature that is unknown is placed into a glass of 250g of water sitting at room temperature
1. 0 answers
2. asked by Jazzy
3. 684 views
I have 3 digits. My middle digit is 4, the first is 8 and the last 2. Who am I?
1. 1 answer
2. asked by Noghto
3. 330 views
i just don't know where to begin/howa) Write a balanced chemical equation for: potassium carbonate + magnesium chloride b) Write
1. 2 answers
2. asked by thad
3. 1,602 views
a 57 g of copper is at 12 degrees celsius, if 1012 J of energy is added to the copper, what is the final temperature of the
1. 1 answer
2. asked by c
3. 491 views
the magnitude of the tongue produced by a 3.0n force applied to a door at a perpendicular distance of 0.25 m from the hinge
1. 4 answers
2. asked by john
3. 1,525 views
In these complex exponential problems, solve for x:1)e^(i*pi) + 2e^(i*pi/4)=? 2)3+3=3i*sqrt(3)=xe^(i*pi/3) MY attempt: I'm not
1. 1 answer
2. asked by Lisa
3. 1,242 views
What is the name of the bay that is connected to the Atlantic Ocean by the Hudson strait?
1. 1 answer
2. asked by Dominique Spolarich
3. 559 views
IF C=2M+D THEN M=
1. 2 answers
2. asked by KIM
3. 557 views
Sara needs help solving the problem 11x8. Which pattern can she use to help her find the product?
1. 1 answer
2. asked by Shaun
3. 413 views
Noah and Brianna want to calculate the distance between their houses which are opposite sides of a water park. they mark a
1. 0 answers
2. asked by kelsey
3. 663 views
What is the smallest of 3 consecutive positive integers if the product of the smaller two integers is 5 less than 5 times the
1. 0 answers
2. asked by Jennifer
3. 684 views
In two or three paraghaphs,discuss how industrial growth in Texas has affected its natural resources
1. 1 answer
2. asked by Martha
3. 395 views
on a scatter plot how can you determine if driving speed and driving time show a positive, negative or no relationship?
1. 0 answers
2. asked by sandy
3. 440 views
What is the scale factor?
1. 1 answer
2. asked by Janir
3. 532 views
1.Which of the following accurately describes the relationship between cyanobacteria and halophiles?A.Cyanobacteria are
1. 2 answers
2. asked by Anne
3. 1,492 views
what did virginia and new york want to added to the constionis it billof rights
1. 2 answers
2. asked by anonymous
3. 318 views
7. two paths diverge at a 48 degree angle. two mountain bike riders take separate routes at 8km/hr and 12 km /hr.how far apart
1. 0 answers
2. asked by kelsey
3. 1,041 views
If a picture width is 4in wide 6in tall what would be the new height if the width is 1.5in?
1. 1 answer
2. asked by Janir
3. 441 views
Brian cut an extra large round pizza into 12 pieces. Seven of the pieces were eaten. What angle measure of pizza is left?
1. 3 answers
2. asked by amomouse
3. 1,375 views
valerie earns $25 a day plus $3 for each dog she washes. make a function table to show the relationship between the number of
1. 0 answers
2. asked by summer
3. 443 views
What are the instructions for cubing a binomial? The problem is (x-1)^3
1. 0 answers
2. asked by Lilly
3. 338 views
What coeffients do you need for NaCL+Ca(OH)2=CaCl2+NaOH
1. 1 answer
2. asked by Emilee
3. 471 views
An aircraft maintains a speed of 500 miles per hour in a southwestern direction. The velocity of the jet stream is constant 50
1. 1 answer
2. asked by Deb
3. 972 views
The total resistance of a series circuit is 500 ohm. What percentage of the total voltage appears across a 22 ohm resistor in
1. 4 answers
2. asked by Treavonne
3. 3,611 views
What issue needed to be settled before the smaller states agreed to the articles of confederation?.A:how to pay taxes B:ho to
1. 6 answers
2. asked by jj
3. 1,222 views
A rug covers 1/4 of floor. The area of the rug is 10 ft.2. What is the area of the floor?
1. 1 answer
2. asked by Maggie
3. 347 views
when two perpendicular lines intersect, do they form four congruent angles?
1. 1 answer
2. asked by jessie
3. 739 views
rocio finished 21 pages of a book in 3 days. monday she finished half of what she did on tuesday and wednesday she finished
1. 1 answer
2. asked by theresa
3. 803 views
when two perpendicular lines intersect, do they form four congruent angles?
1. 1 answer
2. asked by jessie
3. 890 views
Let AB be the diameter of a circle, and let point P be a point on AB. Let CD be a chord parallel to AB. Prove that PA^2 + PB^2 =
1. 0 answers
2. asked by Knights
3. 1,100 views
write an advertisement that you could use to sell copies of Mendeleev's periodic table to chemists in 1869. Be sure to emphasize
1. 7 answers
2. asked by ali
3. 826 views
The Danube flows from germany to the--
1. 1 answer
2. asked by yhhhh
3. 325 views
a wooden board is 3 yards 1 foot long . which show an equivalent length
1. 2 answers
2. asked by tishana
3. 429 views
a wooden board is 3 yards 1 foot long . which show an equivalent length
1. 3 answers
2. asked by tishana
3. 700 views
leon weighed a bag of pears. then he added 4 pounds of pears to the bag. after he took out of 5 pounds of pears, the bag weighed
1. 1 answer
2. asked by mythreyee
3. 980 views
identify two differences between enslaved Aftricans and indentured servants
1. 1 answer
2. asked by Taylor
3. 471 views
I need help!!!!! What did Egypt need from Nubia? And what did Nubia need from Egypt?
1. 4 answers
2. asked by Gabby
3. 589 views
Essential Math 7 - Unit Rates and Ratios of Fractions
1. 4 answers
2. asked by tesj
3. 1,295 views
What is the decay rate in the function A(t)=0.8(0.65)^t
1. 0 answers
2. asked by Alessia
3. 419 views
three men go to forest with some apples. At night one of them gets up and divide the apples in 3equal parts and one apple is
1. 1 answer
2. asked by berton
3. 610 views
I'm reading this book "The Day of Courage: Little Rock Sotry" for my english assignment. The thing is that I'm can't take home
1. 1 answer
2. asked by Laruen
3. 530 views
Prospective Cohort StudyThe following tables show the crude and sex-specific results from a Prospective Cohort Study that
1. 5 answers
2. asked by netspirit
3. 654 views
Prove that: “In a parallelogram, the diagonals bisect each other” by using vectors
1. 0 answers
2. asked by asi
3. 393 views

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