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Questions Asked on November 8, 2014

Find exact values for all the solutions to the equation cos theta = sqrt 3/2 for -2pi <= theta <= 2piTheta = Theta = Theta =
1. 3 answers
2. asked by George
3. 1,816 views
another name for the deck boys on columbus's fourth voyage
1. 6 answers
2. asked by Lakshmi
3. 1,149 views
a cube has a volume of 125cm ^3. What is the area in cm^2 of one face of the cube? (^ = Exponent)
1. 3 answers
2. asked by Rella
3. 792 views
A rectangular field is 80 m long and 60 m wide. If fence posts are placed at the corners and are 10 m apart along the four sides
1. 1 answer
2. asked by urisiseia
3. 850 views
How many kilocalories of heat are required to melt 20.0 kg of ice at 0°C?Okay so the given is m=20.0kg Ti=0°C HeatFusionIce=80
1. 2 answers
2. asked by Ben Green
3. 1,672 views
BobPursley has 3 more brothers than sisters, how many more brothers than sisters does his sister mary have?
1. 1 answer
2. asked by brain MATH
3. 786 views
Seven cats and 3 dogs weigh as much as 4 monkeys. One monkey weighs as much as 1 cat and 1 dog. How many cats weigh as much as 1
1. 2 answers
2. asked by Bobby
3. 1,016 views
How many joules of heat need to be removed to condense 1.50 kg of steam at 100°C-Specific Heat for steam is 2000 J/kg°C-
1. 0 answers
2. asked by Ben Green
3. 651 views
If a bank offers a rate of 4.5% compounded semiannually, how much should you deposit to accumulate 50,000 in 15 years
1. 1 answer
2. asked by Brianne
3. 455 views
How many joules of heat need to be removed to condense 1.50 kg of steam at 100°C-Specific Heat for steam is 2000 J/kg°C-
1. 3 answers
2. asked by Ben Green
3. 692 views
Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same
1. 0 answers
2. asked by Anonymous
3. 623 views
Olive bought a used snow blower for $120. He charges $10 to clear a driveway of snow. It costs him 500 in gasoline to clear a
1. 4 answers
2. asked by Matew
3. 503 views
How many litres of water at 100°C are vaporized by the addition of 5.00 MJ of heat
1. 8 answers
2. asked by Fred
3. 545 views
1.I usually don’t like to admit this, but at one time I disliked history. My teacher, Mr. Wittmeyer, was wonderful, and the
1. 1 answer
2. asked by 2phoneeeeee
3. 938 views
Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same
1. 0 answers
2. asked by Anonymous
3. 564 views
2/5 is what percent of 4/7?
1. 1 answer
2. asked by factions
3. 341 views
A STORE OWNER PLANNED to raise the price of a T-shirt by 10% - he accidently labeled 10% though. The new price is what percent
1. 2 answers
2. asked by Matew
3. 603 views
three bookshelves contain a total of 35 books. The first and second shelves contain a total of 20 books. the second and third
1. 1 answer
2. asked by Matew
3. 767 views
calculate the escape velocity on the surface of earth, acceleration due to gravity will be 36 percent of its value on the
1. 2 answers
2. asked by Brinder Singh
3. 578 views
a school bus traveling along a straight road from school was found to be 2.0km North of the school 4minutes later. In another
1. 0 answers
2. asked by Anonymous
3. 542 views
A projectile is thrown from the top of a tower anf strikes the ground after 3sec at angle of 45° with horizontal . Find height
1. 1 answer
2. asked by Brinder Singh
3. 530 views
Please help me with this problem and please walk me through each step i am really confused.Sand is falling from a rectangular
1. 4 answers
2. asked by Rachel
3. 1,709 views
Laurie swings idly on his hammock and spies the March girls walking out to a hill. There, the sisters sit working—knitting,
1. 1 answer
2. asked by 2phoneeeeee
3. 738 views
Calculate the escape velocity on the surface ov moon .Given the radius of moon=1.7×10(raise to power 6)m and mass of moon
1. 1 answer
2. asked by Brinder Singh
3. 689 views
Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same
1. 0 answers
2. asked by Anonymous
3. 547 views
a is 30% of b, b is what percent of a? Please write it in mixed number (answer)
1. 1 answer
2. asked by factions
3. 449 views
an isolated container holding 5 kg of sulfuric acid is at 60 C. if 2.49x10^5 Joules of energy were transferred out of the acid,
1. 0 answers
2. asked by HELP
3. 375 views
Which of the following best describes the meaning of "upper" Paleolithic?A. The earliest part B. The latest part C. From
1. 1 answer
2. asked by Pat
3. 802 views
A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it
1. 0 answers
2. asked by Kimberly
3. 585 views
1.Calculate the density of oxygen, O2, under each of the following conditions:STP 1.00 atm and 20.0 ∘C 2.To identify a
1. 2 answers
2. asked by LO
3. 1,910 views
Good evening all,I am working on a PowerPoint presentation for my Astronomy class about planet Earth - my question is: What is
1. 0 answers
2. asked by Andy G
3. 506 views
8.00g of NaOH are dissolved in water to make 4.00L of solution. What is the concentration of hydronium ions, [H3O+], in this
1. 1 answer
2. asked by Anonymous
3. 1,706 views
what are the simplest molecules to synthesize a n,n-dimethyl-2-methylpropanamine
1. 0 answers
2. asked by Lila
3. 712 views
The Voltage v , Current I and Resistance R are related by the equation V=IR. Suppose that V is increasing at a rate of 2
1. 1 answer
2. asked by Maria
3. 815 views
A boat leaves a dock at 2:00 P.M. and travels due south at a speed of 15 km/h. Another boat has been heading due east at 20 km/h
1. 1 answer
2. asked by mariel
3. 864 views
How many revolutions will a 5" id x 5/8 id pulley on a electric motor shaft rotating at 1700 rpms.
1. 0 answers
2. asked by Rome
3. 426 views
A painting in an art gallery has height h and is hung so its lower edge is a distance d above the eye of an observer (as in the
1. 0 answers
2. asked by mariel
3. 1,124 views
A large container has the shape of a frustum of a cone with top radius 5 m, bottom radius 3m, and height 12m.The container is
1. 3 answers
2. asked by Jennifer
3. 4,030 views
A salt may be prepared by the reaction of one salt with another salt, particularly if one of the products is insoluble.In which
1. 4 answers
2. asked by Anna
3. 705 views
Describe how you would prepare t-butyl-n-butyl ether. assume you are working on a 1 M scale. what reagents would you use? What
1. 0 answers
2. asked by HELP
3. 416 views
1. He refused to help me.2. He rejected to help me. 3. He dislikes to help me. 4. He refused helping me. 5. He rejected helping
1. 1 answer
2. asked by rfvv
3. 750 views
1. You would rather not drive this afternoon.2. You had better not drive this afternoon. -------------------- Which expression
1. 1 answer
2. asked by rfvv
3. 450 views
What mass (in grams) of sodium chloride, NaCl, is needed to make 422. g of a 3.39%(m/m) NaCl solution?(atomic masses: Na =
1. 3 answers
2. asked by Brittany
3. 655 views
Calculate the mass (in grams) of sugar, C12H22O11, in 142.4 mL of a 1.39 M solution of sugar.(atomic weights: C = 12.01, H =
1. 3 answers
2. asked by Nora
3. 738 views
I have a Lab assignment that requires the synthesis of carboxylic acid and our final product is Benzoic Acid. The following
1. 1 answer
2. asked by Sal
3. 525 views
A salt may be prepared by the reaction of one salt with another salt, particularly if one of the products is insoluble.In which
1. 1 answer
2. asked by Anna
3. 648 views
The Voltage v , Current I and Resistance R are related by the equation V=IR. Suppose that V is increasing at a rate of 2
1. 1 answer
2. asked by maria
3. 2,232 views
the denominator of a fraction is two more than the numerator.when we decrease the numerator by1 and increase the denominator by
1. 1 answer
2. asked by anuj
3. 398 views
A large container has the shape of a frustum of a cone with top radius 5 m, bottom radius 3m, and height 12m.The container is
1. 1 answer
2. asked by Jennifer
3. 796 views
Use inverse trigonometric functions to find a solution to the equation in the given interval. Then find solutions?cos x = -0.6 ,
1. 1 answer
2. asked by George
3. 517 views
A boat leaves a dock at 2:00 P.M. and travels due south at a speed of 15 km/h. Another boat has been heading due east at 20 km/h
1. 1 answer
2. asked by Olivia
3. 856 views
The average monthly benefit B for certain individuals is given by the equation B=18.75+585.72, where t is the number of years
1. 3 answers
2. asked by Babydoll2007
3. 445 views
This is a question related to L'hopital's rule.lim x -> -infinity of ((x)(e^x)) This thing is weird because I apply l'hopital's
1. 1 answer
2. asked by Joshua
3. 528 views
A bank loaned out $17,000 part of it at a rate of 6%per year and the rest at 14%per year. If the interest received in one year
1. 1 answer
2. asked by Babydoll2007
3. 1,273 views
How much would you have to deposit today in order to have $5000 in 4 years in a bank account that pays 5% annual interest rate
1. 1 answer
2. asked by Babydoll2007
3. 814 views
House B is located at a bearing of N67°E from house A. House C is 370 meters from house A at a bearing of S68°E. House B is
1. 1 answer
2. asked by Kate
3. 1,178 views
A large container has the shape of a frustum of a cone with top radius 5m, bottom radius 3m, height 12m. The container is being
1. 2 answers
2. asked by lilia
3. 956 views
Use l'hopital's Rule to evaluate lim x in 0 of(4x(cos 6x-1 )) / sin 3x-3x
1. 1 answer
2. asked by Julia
3. 537 views
find the derivative of yy= 2 (22x+31)^(3/2)+ arctan((22x+21)^(1/2))+ln(11x+16)-22x-30
1. 1 answer
2. asked by John
3. 480 views
what is in your ear?
1. 1 answer
2. asked by liela
3. 312 views
how does the human life cycle in a body
1. 1 answer
2. asked by liela
3. 357 views
An object is placed at a distance of 1.5 m from a screen and a convex lens is interposed between them. The magnification
1. 3 answers
2. asked by Rajul
3. 2,176 views
He is proud that he is rich.----------------- What is the part of speech of 'that he is rich'? Is it an adverbial clasue? Or is
1. 1 answer
2. asked by rfvv
3. 513 views
I just need an explanation from the instructions. I am a bit confused about it.EITHER use EACH of these nouns in a sentence
1. 1 answer
2. asked by Nora
3. 513 views
Concrete is made by mixing cement and sand in the ratio 3:1:15 how much sand would be needed to make 125 tonnes of concrete
1. 2 answers
2. asked by julian
3. 1,479 views
The pulley in the jib of a crane has a diameter of 56cm. Find:a) The circumference of the pulley b) The number of revolutions
1. 1 answer
2. asked by Hyaa
3. 608 views
2 six sided dice are throne together.what is the probability that a total of 10 is thrown.can u show me how to do please ,thanks
1. 1 answer
2. asked by julian
3. 493 views
An urn initially contains 5 white and 7 black balls. Each time a ball is selected, it’s color is noted andit is replaced in
1. 2 answers
2. asked by rajesh
3. 2,276 views
. A 2.0 kg brick has the dimensions 7.5 cm x 15 cm x 30 cm. Find the pressure exerted by the brick on a table when it is resting
1. 2 answers
2. asked by jill
3. 1,449 views
Let r be a rational number. Is (ab)^r = a^r b^r for any real numbers a and b?
1. 1 answer
2. asked by JUN
3. 385 views
the bearing of P from Q is 60. what is the bearing of Q from P?
1. 3 answers
2. asked by Anonymous
3. 2,208 views
A creative teacher should encourage and accept non-conformist behavior as long as it:a. constructive b. joyful c.
1. 1 answer
2. asked by anonymos
3. 651 views
Round your answer to three significant digits.Use the distances shown in the following figure to determine the depth of the
1. 1 answer
2. asked by Karen
3. 532 views
the 20th sum of an arithmetic progression is -7 and the sum of the first 20 terms is 620. find the 1st and 30th termsi am
1. 1 answer
2. asked by livvy
3. 614 views
A telephone pole 40 feet high is situated on an 13° (H) slope from the horizontal. The measure of angle CAB is 21°. Find the
1. 1 answer
2. asked by Karen
3. 606 views
Round answer to two significant digitsA telephone pole 40 feet high is situated on an 13° (H) slope from the horizontal. The
1. 1 answer
2. asked by Karen
3. 450 views
solve the equation for x -2(2x-2)=2x for y 9x+y=9 solve theinequality 2x-6<8x+18 solve 0.14-0.01(x+2)=-0.02(3-x)
1. 1 answer
2. asked by gary
3. 372 views
6)Assume the graph below represents the market demand for a patented prescription drug together with the firm-level marginal
1. 0 answers
2. asked by Anonymous
3. 473 views
A round, 6-ft wide hot tube is being built into a 12-ft by 30-ft rectangular deck. How much decking is needed for the surface of
1. 1 answer
2. asked by Michael
3. 468 views
The top rock on a dolmen is called the:A. bridge B. Henge C. Capstone D. Cairn I think it's C., but not sure
1. 1 answer
2. asked by Pat
3. 787 views
How many hydrogen bonds can each (i) water and (ii) ice molecule form?
1. 1 answer
2. asked by John
3. 468 views
One fundamental change that marks the beginning of the Neolithic period is:A. year-found settlements. B. use of the bow and
1. 2 answers
2. asked by Pat
3. 678 views
Here's another way to look at it. Suppose you want to borrow $100,000. You choose a 30-year fixed rate loan at 7.5%, and pay one
1. 0 answers
2. asked by Rosey
3. 741 views
A billiard ball moving at 5.45 m/s strikes a stationary ball of the same mass. After the collision, the first ball moves at 4.81
1. 0 answers
2. asked by Anonymous
3. 936 views
On Jan.1, Pedigo Corporation purchased a small company and recorded goodwill of $150,000. its useful life is indefinite.may 1-
1. 0 answers
2. asked by Etta
3. 818 views
Beth is single and lives in New York. Beth earned $280,000 in 2011. The following table shows the IRS tax rates for a single
1. 0 answers
2. asked by Anonymous
3. 412 views
an accountant claims that she has found a legal way for Beth to shelter $3,000 of taxable income from the federal government.
1. 1 answer
2. asked by Anonymous
3. 413 views
Find x,y,z2x-3y+z=-1 2x-y+2z=6 5x-4y+3z=6 Please show work I want to learn!!!
1. 3 answers
2. asked by Anonymous
3. 437 views
A helmet has an open cell polystyrene foam liner that is designed to absorb the kinetic energy from an impact. The foam has a
1. 5 answers
2. asked by zxcv
3. 920 views
Calculate the load that a fibroblast cell applies to buckle a single column in a collagen tissue engineering scaffold, given
1. 3 answers
2. asked by zxcv
3. 779 views
Solving By FactoringHelp me with these problems. 2x(2x+1)=2 5x^2+34x=7 Please show work I want to learn!!!
1. 2 answers
2. asked by Migue
3. 497 views
The television coverage of the World Series showed several remarkable slow-motion views of the deflection of the bat as it hit
1. 10 answers
2. asked by zxcv
3. 928 views
The creep compliance of a polymer is given below. A specimen of polystyrene is loaded in creep with a stress of 10MPa for
1. 1 answer
2. asked by zxcv
3. 532 views
What is the molarity of a solution made by mixing 213.6 ml of 1.5 M NaCl with 328 ml of 4.3 M NaCl?
1. 1 answer
2. asked by Jeremy
3. 414 views
1. The eleent gold, Au, has a face-centered cubic structure. (Density - 19.3 g/cm^3)(a) What are the # of gold atoms in 1 unit
1. 2 answers
2. asked by Supriya
3. 858 views
Please Help Me Check My Work :)1) Find the 5th term of - f(n)= 3(n-3) My answer- -279 2) Find the third term if the first term
1. 1 answer
2. asked by Kim
3. 606 views
(3.0 x 10^4 ) ÷ (6.2 x 10^1) =18.6x10^3 (4.7 x 10^-3 ) ÷ (9 x 10^-4) = 42.3x10^-7 (3.0 x 10^4 ) x (6.2 x 10^1) = 18.6x10^3
1. 9 answers
2. asked by anonymous
3. 596 views
The oxidation number of kromium in k2Cr2O7
1. 1 answer
2. asked by Ahmad
3. 480 views
1. The element gold, Au, has a face-centered cubic structure. (Density - 19.3 g/cm^3)(a) What are the # of gold atoms in 1 unit
1. 1 answer
2. asked by Supriya
3. 651 views
find the number in an A.P such that the sum of 1st and 3rd term is 12 and the product of 1st and 2nd is 24
1. 1 answer
2. asked by mikkymiczy
3. 495 views

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