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Questions Asked on April 14, 2015

chung minh dang thuc(1+Sin2x)/Cos2x=Tan(pi/4+x)
1. 1 answer
2. asked by le
3. 7,640 views
You own 6 pairs of jeans and want to take 2 pairs on vacation with you. How many different ways can you take two pairs of jeans?
1. 11 answers
2. asked by Kailli
3. 6,816 views
A helium balloon is filled to a volume of 5.60 L at 25∘C. What will the volume of the balloon become if it is put into liquid
1. 3 answers
2. asked by Nadia
3. 6,768 views
Triangle S(-6,10)T(-9,3)U(-3,3) is translated right 2 units and 3 units down. What are the coordinates of the vertices of the
1. 16 answers
2. asked by Lost
3. 6,591 views
2H2O(g)<-> 2H2(g) + o2Calculate delta g and Kp for the following equilibrium reaction. Keep getting 7.2E-81 and the answer is
1. 3 answers
2. asked by MAn
3. 5,996 views
As in the previous exercise, let È be the bias of a coin, i.e., the probability of Heads at each toss. We assume that È is
1. 3 answers
2. asked by alec
3. 5,538 views
Create two different situations: one in which you use combinations and one in which you use permutations. Include specific
1. 11 answers
2. asked by Dawn
3. 5,324 views
Let È be the bias of a coin, i.e., the probability of Heads at each toss. We assume that È is uniformly distributed on [0,1].
1. 1 answer
2. asked by alec
3. 5,191 views
The area A = πr2 of a circular water ripple changes with the radius. At what rate does the area change with respect to the
1. 1 answer
2. asked by emma
3. 5,183 views
1.Which pair of points forms a vertical line segment?a)(-3,5) and (5,-3) b)(4,-2) and (4,3)*** c)(-8,1) and (5,1) d)(2,3) and
1. 26 answers
2. asked by #HOMEWORK
3. 4,838 views
The height of a cylinder with a fixed radius of 4 cm is increasing at the rate of 2 cm/min. Find the rate of change of the
1. 1 answer
2. asked by emma
3. 4,581 views
1)Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. cos 12° cos 18°
1. 3 answers
2. asked by Alyssa
3. 4,569 views
Suppose that fÈ and fX|È are described by simple closed-form formulas. Suppose that È is one-dimensional but X is
1. 2 answers
2. asked by alec
3. 4,563 views
I am really struggling with how to do these problems, I posted them a few minutes ago but the answers/work shown was incorrect.1
1. 1 answer
2. asked by Alyssa
3. 4,475 views
HELP! John or Doris (write, Writes) to us regularly. Either Carol or Ted (was, Were) asked to lead the meeting. Either Marie or
1. 6 answers
2. asked by Island Grandma
3. 4,100 views
The density of whole blood is 1.05g/mL. A typical adult has about 5.5L of whole blood. What is the mass in pounds of this amount
1. 4 answers
2. asked by Anonymous
3. 3,987 views
We can find some of the solutions ofsin x = 0.2 graphically by graphing y = sin x and y = 0.2 (I was able to figure this one
1. 1 answer
2. asked by Angela
3. 3,921 views
Which number is not equal to one of the following expressions?0.6038 x 1000 603.8 -: 10 60.38 -: 100 0.6038 603.8 60.38 6.038
1. 4 answers
2. asked by Anonymous
3. 3,673 views
In the Sandwich Shop, select the "Cheese sandwich" option and observe the equation given for the preparation of a cheese
1. 5 answers
2. asked by Brittany
3. 3,611 views
The word aloof is an English word borrowed from Dutch. It's meaning is "at a distance". In which of the following sentences is
1. 10 answers
2. asked by Dawn
3. 3,303 views
Artists make shapes in the background smaller than shapes in the foreground to communicate their distance from the viewer. How
1. 9 answers
2. asked by Dawn
3. 3,291 views
1.If the coordinates of a point have opposite signs, which quadrants could the point be in?a)Quadrants I and II b)Quadrants I
1. 7 answers
2. asked by #HOMEWORK
3. 3,137 views
The base of a solid is the region in the first quadrant bounded by the graph of y = 3/(e^x) , the x-axis, the y-axis, and the
1. 1 answer
2. asked by sss
3. 2,988 views
A lab has two bacteria cultures. Culture A contains 8*10^4 bacteria and culture B contains 4*10^6 bacteria. How do the two
1. 2 answers
2. asked by Anonymous
3. 2,636 views
Connections Academywhat is 3! simplified as a 2 b 5 c 3 d 6*** simplify 10p4 a 210 b 360 c 5,040*** d 151,200 simplify 15c3 a
1. 3 answers
2. asked by Kailli
3. 2,622 views
Lions spend about 5/6 of their days sleeping. How many hours a day does a lion sleep?
1. 7 answers
2. asked by Ty
3. 2,501 views
Compute the Fourier series of f(x)=x+|x|,-π≤x≤π
1. 2 answers
2. asked by ijat
3. 2,427 views
The voltage in an electrical circuit is multiplied by itself each time it is reduced. The voltage is 27/125 of a volt and it has
1. 4 answers
2. asked by Rose R
3. 2,415 views
1. Simplify 6p2a. 30*** b. 15 c. 12 d. 720 a. is my answer. is this correct?
1. 4 answers
2. asked by Check my answer?
3. 2,249 views
You have been hired as a marketing consultant to Johannesburg Burger Supply, Inc., and you wish to come up with a unit price for
1. 3 answers
2. asked by leslee
3. 2,227 views
It has been determined that the body can generate 5500 kJ of energy during one hour of strenuous exercise. Perspiration is the
1. 1 answer
2. asked by Jamie lee
3. 2,218 views
A rectangular page is to have a print area of 96 square inches. The top and bottom margins are to be 1.5 inches each and the
1. 2 answers
2. asked by Terry
3. 2,201 views
Balance the given chemical equation using whole-number coefficients.?D2(g)+?O2(g)→?D2O(l) Enter the coefficients in order
1. 1 answer
2. asked by Brittany
3. 2,177 views
A water tank is in the shape of a right circular cylinder with a height of 20 feet and a volume of 320pi cubic feet. What is the
1. 2 answers
2. asked by Anonymous
3. 2,034 views
Marteen wants to paint 2/3 of her room today.Shewants to paint 1/4 of that before lunch.How much of her room will she paint
1. 5 answers
2. asked by Beth
3. 1,995 views
1. A weatherman reports, "the storm waves are about 2 meters high and about 35 meters apart. "what properties of waves is the
1. 1 answer
2. asked by Hailee
3. 1,958 views
Find an angle with a positive measure and an angle negative measure that are coterminal with each angle.1. 370 degrees 2. -3π
1. 1 answer
2. asked by Ann
3. 1,931 views
After some light stretching, Julia decided to run around the park for her warm-up. What is the infinitive in the sentence above?
1. 3 answers
2. asked by basketball&batman
3. 1,821 views
Draw a rectangle on a coordinate plane that has a perimeter of 16 units. Label all the vertica with they coordinate. Then find
1. 1 answer
2. asked by Ansley
3. 1,794 views
Neil needs to cut 3 long boards into 9 smaller boards. The first is 10 ft, the second is 16 ft, and the third is 18 ft. The
1. 2 answers
2. asked by Mimi
3. 1,715 views
1.Which word is most similar to morose?sensitive silly unhappy*** stubborn 2. In which of these lines is the meaning of the word
1. 3 answers
2. asked by Anonymous
3. 1,706 views
A solid weak acid is weighed, dissolved in water and diluted to exactly 50.00 ml. 25.00 ml of the solution is taken out and is
1. 1 answer
2. asked by JUNDY
3. 1,675 views
The call number given in a catalog entry gives us what information?A. How recently the item was published B. The title and
1. 3 answers
2. asked by TYondra
3. 1,553 views
Public spaces such as playgrounds or skate parks often serve the purpose of meeting which significant human needs?A. Needs for
1. 3 answers
2. asked by Dawn
3. 1,552 views
A 15-ft ladder rests against a vertical wall. If the top of the ladder slides down the wall at a rate of 0.33 ft/sec, how fast,
1. 1 answer
2. asked by emma
3. 1,538 views
A train accelerates from the rest at the station A at a rate of 0.8 m/s2 for 25 s, the travels at constant velocity for 77.5 s
1. 1 answer
2. asked by Albert
3. 1,473 views
a manufacturer of a cotter pins know that 5% of his product is defective if he sells cotter pins in boxes of 100 pins and
1. 1 answer
2. asked by saloni garg
3. 1,471 views
The law connecting friction F and load L for an experiment is of the form F =aL+b, where a and b are constants. When F =5.6,
1. 2 answers
2. asked by Baz
3. 1,444 views
1.Explain two types of divisions that existed in Europe during the Cold War.2.How did the Columbian Exchange encourage the
1. 14 answers
2. asked by #HOMEWORK
3. 1,402 views
Solve the system by the substitution method. Show your work.2y - x = 5 x2 + y2 - 25 = 0
1. 3 answers
2. asked by Ciara
3. 1,374 views
a designer creates a drawing of a triangular sign on centimeter grid paper for a new business. the drawing has sides measuring 6
1. 1 answer
2. asked by nadia
3. 1,341 views
Sammy and Sally each carry a bag containing a banana, a chocolate bar, and a licorice stick. Simultaneously, they take out a
1. 2 answers
2. asked by Scott
3. 1,306 views
4 charges Q1=2C, Q2=3C, Q3=3C & Q4=-4C are placed at the vertices of a square of side 10cm. find the force on 5th charge Q5=1C
1. 1 answer
2. asked by Anonymous
3. 1,276 views
Consider the reaction2D2(g)+O2(g)→2D2O(l) What is the mass of heavy water, D2O(l), produced when 7.65g of O2(g) reacts with
1. 0 answers
2. asked by Brittany
3. 1,253 views
EXERCISE: POSSIBLE VALUES OF THE ESTIMATESSuppose that the random variable È takes values in the interval [0,1]. a) Is it true
1. 0 answers
2. asked by alec
3. 1,236 views
Please tell me what I'm doing wrong...The side lengths of tops of three squares tables can be described as three consecutive
1. 1 answer
2. asked by Lucina
3. 1,231 views
Cho is driving a car. He gets to his destination, which is 72 miles away, in 1 hour and 30 minutes.a. The equation d=rt can be
1. 2 answers
2. asked by Jay
3. 1,182 views
The gold trim, rich colors, a plentiful lace on eighteenth-century European fashions communicated which value of Baroque
1. 1 answer
2. asked by Summer
3. 1,136 views
traditional african mariage is an advantage for men only,not women?
1. 7 answers
2. asked by ellen
3. 1,120 views
In an effort to help a student understand the concept of shading, which teaching strategy could an educator use to help someone
1. 7 answers
2. asked by Summer
3. 1,110 views
I am working on a five-part question and I just need help with the last part. I'm not sure where to begin with that one. I
1. 0 answers
2. asked by Lisa
3. 1,077 views
I only have 2 questions. 1 is multiple choice and one I have to type so please help. 1. Which set of output values correctly
1. 13 answers
2. asked by MusicLover14
3. 1,072 views
In addition to skills in creating art, which type of knowledge is important for art therapists to have to successfully perform
1. 4 answers
2. asked by Summer
3. 1,047 views
What mass of water is produced from the complete combustion of 2.10×10−3g of methane?Express your answer with the appropriate
1. 1 answer
2. asked by Brittany
3. 1,035 views
What is the maximum mass of S8 that can be produced by combining 85.0 g of each reactant?8SO2 + 16H2S yields 3S8 +16H2O
1. 2 answers
2. asked by Tim
3. 1,015 views
a) The value of a computer after t years after purchase is v(t) = 1000e^(-0.45t). At what rate is the computer's value falling
1. 1 answer
2. asked by Jack
3. 1,012 views
A boat leaves a dock at 3:00 PM and travels due south at a speed of 20 km/h. Another boat has been heading due east at 15 km/h
1. 1 answer
2. asked by sara
3. 999 views
Face cards are removed from a standard deck of cards and the rest are set aside. two cards are drawn at random from the face
1. 1 answer
2. asked by jill
3. 978 views
Numbers that are palindromes read the same forward and backward. For example, 30203 is a five digit palindrome. If a single
1. 3 answers
2. asked by timmy
3. 960 views
How many grams of ice at -14.3∘C can be completely converted to liquid at 24.8∘C if the available heat for this process is
1. 2 answers
2. asked by Atina
3. 943 views
A cityscape artist complete a portrait of a busy, grimy, dirty city with no signs of nature. Which of the following might be be
1. 6 answers
2. asked by Dawn
3. 939 views
Find the number of moles of water that can be formed if you have 226mol of hydrogen gas and 108mol of oxygen gas.Express your
1. 3 answers
2. asked by Brittany
3. 923 views
What mass of carbon dioxide is produced from the complete combustion of 2.10×10−3g of methane?Express your answer with the
1. 1 answer
2. asked by Brittany
3. 921 views
Consider a coaxial cable with a central conducting wire (r=1mm) surrounded by an outer coaxial conducting sheath
1. 0 answers
2. asked by JuanPro
3. 905 views
Two identical bar magnets A and B are held at rest as shown and released to fall simultaneously. Magnet A as it falls passes
1. 1 answer
2. asked by JuanPro
3. 903 views
Consider a coaxial cable with a central conducting wire (r=1mm) surrounded by an outer coaxial conducting sheath
1. 1 answer
2. asked by JuanPro
3. 899 views
A rectangular wire loop with current i=200mA, width W=20cm and length L=50cm is placed in a uniform magnetic field B=7T as
1. 1 answer
2. asked by JuanPro
3. 884 views
#6 (6 points possible)The demonstration in LS6.U5 uses a Helmholtz coil, which is a pair of wire coils along a common axis that
1. 1 answer
2. asked by JuanPro
3. 844 views
You order sixteen burritos to go from a Mexican restaurant: seven with hot peppers and nine without. However, the restaurant
1. 0 answers
2. asked by 0zz
3. 838 views
what id an example of bias in mediaA) a website that represents a controversial opinion as if it were fact***** B) A television
1. 4 answers
2. asked by Anonymous
3. 833 views
You order sixteen burritos to go from a Mexican restaurant: seven with hot peppers and nine without. However, the restaurant
1. 0 answers
2. asked by 0zz
3. 823 views
In what way does third section of “In Memory of W. B. Yeats” reflect the tension of the decade in which it was written?A.
1. 1 answer
2. asked by Emi
3. 819 views
Factorise 4m²-9m²
1. 2 answers
2. asked by Anonymous
3. 818 views
Neil needs to cut 3 long boards into 9 smaller boards. The first is 10 ft, the second is 16 ft, and third is 18 ft. The table
1. 3 answers
2. asked by Mimi
3. 804 views
Farmer John (not the bacon guy) raises ducks and cows. He has 54 animals which all together have 122 feet. How many of each type
1. 1 answer
2. asked by Erika G.
3. 796 views
The electrophoresis of a mixture of histidine (His), aspartic acid (Asp) and phenylalanine (Phe) is carried out at a pH of 5.91.
1. 2 answers
2. asked by Jessica
3. 785 views
1. I can make a vegetable soup.2. I can make vegetable soup. (Do we have to use 'a' ornot?) 3. I can make ramen. 4. I can make
1. 1 answer
2. asked by rfvv
3. 783 views
A particle starts moving from rest with uniform acceleration.It travels a distance x in first 2 sec and a distance y in the next
1. 2 answers
2. asked by AVINAV KUMAR CHOURASIA
3. 775 views
What mass of oxygen is needed for the complete combustion of 2.10×10−3g of methane?Express your answer with the appropriate
1. 2 answers
2. asked by Brittany
3. 766 views
To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 2.7-L bulb, then filled
1. 2 answers
2. asked by Anonymous
3. 763 views
Imagine what will happen in the future world and write down sentences related to the future world.1. We will go to Mars. 2. We
1. 1 answer
2. asked by rfvv
3. 754 views
A panic-prone person who ingests a(n) __________ would be expected to show increased anxiety.A. benzodiazepine agonist B.
1. 2 answers
2. asked by Jane
3. 750 views
Rayshawn must run at least 15 miles per week. Write an inequality that represents the number of miles that Rayshawn must run.Wou
1. 1 answer
2. asked by Jay
3. 742 views
How many grams of H2 are needed to produce 11.80g of NH3?Express your answer numerically in grams.
1. 0 answers
2. asked by Brittany
3. 736 views
The assertion that 1g of uranium can produce energy equivalent to 10kg of coal implies that
1. 2 answers
2. asked by Olushola
3. 729 views
A ball is thrown vertically upward from the edge of a cliff of height 131 m. The initial velocity is 77.7 m/s. how high is the
1. 1 answer
2. asked by Holly
3. 728 views
whats the answer to this?write an equation fr an arithmetic sequence with a 1st term of 8 and 4th term of -7. im stuck.
1. 2 answers
2. asked by Samanta
3. 724 views
An aqueous solution of a monoprotic acid is prepared. This acid is known to have a pKa of 8.6. If the acid is 37.5% ionized when
1. 2 answers
2. asked by Jessica
3. 722 views
How many molecules (not moles) of NH3 are produced from 1.17×10−4g of H2?Express your answer numerically as the number of
1. 0 answers
2. asked by Brittany
3. 719 views
In exercising, a weight lifter loses 0.236 kg of water through evaporation, the heat required to evaporate the water coming from
1. 0 answers
2. asked by Check please
3. 719 views

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