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Questions Asked on November 20, 2013

Write the formula of the conjugate base for acid HClO2 .
1. 3 answers
2. asked by chelsea
3. 6,178 views
Karen and Wayne need to buy a refrigerator because theirs just broke. Unfortunately, their savings account is depleted, and they
1. 2 answers
2. asked by Anonymous
3. 3,775 views
Let x be a continuous random variable that follows a normal distribution with a mean of 200 and a standard deviation 25.Find the
1. 1 answer
2. asked by louise
3. 3,754 views
There were 7 times as many marbles in Box A as in Box B. After Joyce transferred 294 marbles from Box A to Box B, both boxes had
1. 4 answers
2. asked by J
3. 3,534 views
A microwave draws 5.0 A when it is connected to a 120 V outlet. If electrical energy costs $0.090 per kW·h, what is the cost of
1. 2 answers
2. asked by TT
3. 3,522 views
One microgram is equal to 1x10^-6 gram. If the mass of a substance is 8x10^9 micrograms, what is its mass in grams?a)
1. 2 answers
2. asked by andra
3. 3,180 views
Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the
1. 3 answers
2. asked by tony
3. 2,842 views
please check my math answers again thanks.by the age of 27,justin had visited 25 out of the 50 states.what fraction of the
1. 8 answers
2. asked by matt
3. 2,631 views
PLEASE CHECK THESE ANSWERScompare the pair of numbers use <,>,= 3/4 _ 6/8 A.3/4=6/8(I PICKED THIS) B.3/4<6/8 C.3/4>6/8 Write the
1. 21 answers
2. asked by matt
3. 2,478 views
Can you please help me with writing fraction as decimal because im clueless with it!------------------------- write the fraction
1. 8 answers
2. asked by matt
3. 2,468 views
ACTIVATED SLUDGE AND NUTRIENT REMOVAL=========================================== A wastewater treatment plant based on activated
1. 61 answers
2. asked by ham
3. 2,184 views
Given f''(x)= -4sin(2x) and f'(0)=4 and f(0) =-6. Find f(pi/2)
1. 1 answer
2. asked by JAYZ
3. 2,036 views
Differentiate between environmentally spread diseases and diseases that are spread from person to person.A: Environmentally
1. 2 answers
2. asked by Anonymous
3. 1,966 views
The letters CHEMISTRY were spray painted in blue paint on the snow. After a while the sun comes out and the snow under the blue
1. 1 answer
2. asked by Heather
3. 1,950 views
A rectangular yard had a length of 0.006 kilometer and a width of 5x10^-3 kilometers.A. Use scientific notation to express the
1. 3 answers
2. asked by andra
3. 1,883 views
Evaluate dy/dt for the function at the point.y√x+1 = 12; dx/dt = 8, x=15, y=3
1. 1 answer
2. asked by tony
3. 1,810 views
an aeroplane takes 40 minutes less to fly 3600km with the wind blowing at 30 km/hr than the time it takes to fly against the
1. 2 answers
2. asked by minni
3. 1,763 views
Which of the following is true of the Antarctic Treaty System?A. It bans commercial mining in Antarctica. B. It's actually the
1. 8 answers
2. asked by Brianna
3. 1,720 views
Hello! I have a question about a word problem:A garden supply store sells two types of lawn mowers. The cashiers kept a tally
1. 7 answers
2. asked by Beka
3. 1,691 views
A student ran the following reaction in the laboratory at 327 K:CH4(g) + CCl4(g) 2 CH2Cl2(g) When she introduced 4.07E-2 moles
1. 1 answer
2. asked by Jessica
3. 1,647 views
If sin(theta) < 0 and tan(theta) > 0 then: in degrees. Ok I need help with this I couldn't understand the lesson and want to
1. 4 answers
2. asked by Lisa
3. 1,615 views
A cafeteria has 5 turkey sandwiches, 6 cheese sandwiches, and 4 tuna sandwiches. There are two students in line and each will
1. 5 answers
2. asked by hannah
3. 1,611 views
Glucose can be classified as an aldohexose. Name the following monosaccharide to indicate its carbonyl group and the number of
1. 1 answer
2. asked by prity
3. 1,591 views
ABC is an equilateral triangle with side length 4. M is the midpoint of BC, and AM is a diagonal of square ALMN. Find the area
1. 2 answers
2. asked by Sam
3. 1,475 views
You randomly choose 16 unfurnished one-bedroom apartments from a large number of advertisements in your local newspaper. You
1. 1 answer
2. asked by arshi
3. 1,419 views
If $1500 is invested at an interest rate of 3.5% per year, compounded continuously, find the value of the investment after 3 and
1. 1 answer
2. asked by Morgan
3. 1,416 views
Two blocks are connected by a string over a frictionless,massless pulley such that one is resting on an inclined plane and the
1. 1 answer
2. asked by Jared
3. 1,415 views
Uranium-238 is less stable than oxygen-16. What accounts for this difference?(A) Uranium is a solid, while oxygen is a gas. (B)
1. 2 answers
2. asked by AJ
3. 1,404 views
Potassium metal, K, is more reactive than sodium, Na. Calcium, Ca, is less reactive thansodium. The comparative reactivity of
1. 2 answers
2. asked by Heather
3. 1,353 views
A microscope is set so it makes an object appear 4x10^2 times larger than its actual size. A virus has a diameter of 2x10^-7
1. 1 answer
2. asked by andra
3. 1,333 views
Suppose that it takes Sally 3 hours to mow, and it takes Tom 4 hours to mow the same lawn; Tom's mower is less powerful than
1. 1 answer
2. asked by Nicholle
3. 1,319 views
simplify: tanx/secx+1
1. 1 answer
2. asked by Cam
3. 1,316 views
identify the fraction that is equivalent to 3/8.A.15/32 B.12/32(I PICKED THIS) C.12/24 D.9/32 -------------------------- A video
1. 2 answers
2. asked by matt
3. 1,309 views
How would you use a number line to round 347 to the nearest ten?
1. 4 answers
2. asked by Hero
3. 1,290 views
How many integer palindromes are between 10,000 and 70,000 and how many of those are even?
1. 1 answer
2. asked by Jared
3. 1,277 views
Two blocks are connected by a string over a frictionless,massless pulley such that one is resting on an inclined plane and the
1. 1 answer
2. asked by Haff
3. 1,254 views
In triangle ABC, we have AB=3 and AC=4. Side BC and the median from A to BC have the same length. What is BC?Not making sense to
1. 2 answers
2. asked by Sam
3. 1,235 views
A proton with a velocity of 2.0 x 10^7 m/s in the horizontal (+x) direction enters a region of uniform magnetic field that is 1
1. 2 answers
2. asked by James
3. 1,192 views
Battery manufacturers compete on the basis of the amount of time their products last in cameras and toys. A manufacturer of
1. 1 answer
2. asked by Austin
3. 1,178 views
Find dy for the given values of x and Δx.y=4/x^4+3√x; x=4, Δx=.5
1. 4 answers
2. asked by tony
3. 1,163 views
A 24-h urine specimen was diluted to 2.000L and buffered to pH 10.0. A 10.00 mL aliquot was titrated with 27.32 mL of 0.003960 M
1. 2 answers
2. asked by Anonymous
3. 1,142 views
Which of the following statements is true concerning physical space in physical education
1. 1 answer
2. asked by Anonymous
3. 1,141 views
How can I paraphrase: In the metropolis the recreational area was dilapidated.
1. 5 answers
2. asked by Samantha
3. 1,128 views
3. Radioactive decay of nuclei often involves several decays before a stable nucleus is formed. This is called a decay chain.
1. 1 answer
2. asked by Adam
3. 1,115 views
First off, how do you eve find out if it would be colored or colorless? Will aqueous solutions of the following salts be colored
1. 1 answer
2. asked by Heather
3. 1,102 views
a 2kg ball revolves in a horizontal circle as shown at a constant speed of 1.5m/s. Knowing that L=600mm, determine (a) the angle
1. 1 answer
2. asked by kit
3. 1,044 views
i need help: A national achievement test is administered annually to 9th graders. The test has a mean score of 100 and a
1. 2 answers
2. asked by mufasa
3. 1,031 views
I need help on this one question on my homework. Would you please help me?How did the presidential plan for reconstruction
1. 1 answer
2. asked by Katey
3. 1,017 views
Last month, Sue, of Sue's Sandwiches, sold $3,000 worth of product (sandwiches and sodas) from her sidewalk cart to 300
1. 2 answers
2. asked by lola
3. 1,003 views
Acetic acid (CH3COOH) has a Ka of 1.8x10^-5. a buffer is to be prepared with a pH of 5.00 from solutions of CH3COOH and sodium
1. 1 answer
2. asked by robyn
3. 996 views
A student ran the following reaction in the laboratory at 650 K:H2(g) + I2(g) 2 HI(g) When she introduced 0.204 moles of H2(g)
1. 1 answer
2. asked by Jessica
3. 984 views
Mohammed copied this problem into his notebook.(3.4x10^5)(3.8x10^-9) A. Use the associative and commutative properties to
1. 3 answers
2. asked by andra
3. 977 views
A piece of equipment has cost function C(x)=50x^2 + 1000 and its revenuefunction is R(x)= 500x - x^2, where x is in thousands of
1. 2 answers
2. asked by Ann
3. 966 views
A package is at rest on a conveyor belt, which is initially at rest. The belt is started and moves to the right for 1.3 s with a
1. 1 answer
2. asked by kit
3. 940 views
A ball on the end of a string is cleverly revolved at a uniform rate in a vertical circle ofradius 85.0cm. If its speed is 4.15
1. 1 answer
2. asked by Angie
3. 924 views
Given the following p values which would be considered more significant?a) p ≤ 0.3 b) p ≤ 0.02 c) p ≤ 0.25
1. 1 answer
2. asked by Anonymous
3. 916 views
Use the differential to approximate the quantity to four decimal places.√(122)
1. 2 answers
2. asked by tony
3. 900 views
Treasury bonds paying an 8% coupon rate with semiannual payments currently sell at par value. What coupon rate would they have
1. 0 answers
2. asked by Anonymous
3. 884 views
A Jet plane traveling 1800 km/h (500 m/s) pulls out of a dive by moving in an arc of radius6.00 km. What is the plane’s
1. 2 answers
2. asked by Angie
3. 876 views
I need help with my research paper please.700- to 1,050-word paper in which you examine the concept of motivation. „h Address
1. 2 answers
2. asked by Nikita
3. 875 views
write the multiplication represented by the partial products. then write the product.1. 800+280+60+21 2.600+40+180+12
1. 1 answer
2. asked by krahman4
3. 838 views
24 1c coins are set out in a row on a tableThen every 2nd coin is replaced by a 2c coin every 3rd coin is replaced by a 5c coin
1. 2 answers
2. asked by LARA
3. 822 views
The graph of f(x)= (x^2 - 11x + 18)/(x-9) consists of a line and a hole. Find the equation of the line and the coordinates of
1. 2 answers
2. asked by Ann
3. 819 views
A spacecraft of mass m is first brought into an orbit around the earth. The earth (together with the spacecraft) orbits the sun
1. 1 answer
2. asked by jp
3. 803 views
Kinetic energy and Potential energy are often considered to be forms of mechanical energy. List three other forms of energy and
1. 1 answer
2. asked by anon
3. 801 views
imageshack(.)(us)/photo/my-images/834/j6wv.jpg/imageshack(.)(us)/photo/my-images/17/6n4x.jpg/ please PLEASE IM BEGGING YOU MY
1. 1 answer
2. asked by barbie lee
3. 798 views
1.) You have $22 in your bank account, and you deposit $11.50 per week. Your cousin has $218 in his bank account and is
1. 1 answer
2. asked by Lorri
3. 787 views
Describe how bacteria develop antibiotic diseases.A: Bacteria develop antibiotic resistance when a person stops taking
1. 2 answers
2. asked by Anonymous
3. 763 views
Are there any angles x and y that satisfy sin(x+y)= sinx+siny? Use an example to explain your answer.
1. 2 answers
2. asked by Sara
3. 756 views
A gyroscope consists of a uniform disc of mass radius M= 1 kg and radius R= 0.3 m . The disc spins with an angular speed ω= 300
1. 2 answers
2. asked by Anonimus
3. 749 views
A 10 kg penguin slips down a rough incline of 35o. If the coefficient of kinetic friction between the penguin and the incline is
1. 1 answer
2. asked by Angie
3. 733 views
ACTIVATED SLUDGE AND NUTRIENT REMOVAL=========================================== A wastewater treatment plant based on activated
1. 2 answers
2. asked by ham
3. 728 views
DescriptionA wastewater treatment plant based on activated sludge with biological phosphate and nitrogen removal via
1. 1 answer
2. asked by ham
3. 724 views
A container holds 1.3 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinetic
1. 0 answers
2. asked by Carl
3. 719 views
hi please check my math answers i only have 2 for now i just wanted to make sure i had the right idea.sarah is making her own
1. 3 answers
2. asked by matt
3. 717 views
1.) You have $22 in your bank account, and you deposit $11.50 per week. Your cousin has $218 in his bank account and is
1. 3 answers
2. asked by Lorri
3. 712 views
Is this considered plagiarism?Original passage: A letter of thanks is a courteous acknowledgment of a gift or of something that
1. 3 answers
2. asked by Tiffany
3. 696 views
Tower 1 is 60 ft high and tower 2 is 20 ft high. The towers are 140 ft apart. A guy wire is to run from point A to the top of
1. 1 answer
2. asked by Alexis
3. 695 views
What is the longitude and latitude of every piece of south America?
1. 1 answer
2. asked by Kate
3. 691 views
(respost) I chose the Airplane and I know that it was invented by the Wright brothers etc. But what I don't know what to write a
1. 4 answers
2. asked by Katy
3. 686 views
Evaluate the definite integral.function: x+13 with respect to variable x lower limit:0 upper limit:22
1. 4 answers
2. asked by Max
3. 682 views
imageshack(.)(us)/photo/my-images/834/j6wv.jpg/imageshack(.)(us)/photo/my-images/17/6n4x.jpg/ please PLEASE IM BEGGING YOU MY
1. 3 answers
2. asked by BARBIE LEE
3. 666 views
there are 150 children in a school . two thirds of the children have school meals. how many children is that?
1. 4 answers
2. asked by john brown
3. 664 views
Evaluate when x = 2, y = -5, z = 3.x^2 - y = 3 3z - 4(y + 1) - y^2 = 0 x - yz = -13
1. 1 answer
2. asked by Alan
3. 654 views
You randomly choose 16 unfurnished one-bedroom apartments from a large number of advertisements in your local newspaper. You
1. 1 answer
2. asked by arshi
3. 653 views
Use a definite integral to find area of the region under the curve y=7-4x^2 and above the x-axis.Thanks in advance!
1. 1 answer
2. asked by LIz
3. 645 views
Evaluate the definite integral.function: (t+8)(t^2+3) with respect to variable t lower limit: -sqrt(2) upper limit: sqrt(2)
1. 2 answers
2. asked by Max
3. 641 views
find the length of each person's sandwich?an 18inch long sandwich was purchased & Jenny cuts the sandwich so that Demi gets 1/2
1. 1 answer
2. asked by Denise
3. 633 views
As stated in your textbook, “branding is equated with everything from creative strategy to logotype design. It is said to
1. 3 answers
2. asked by EB
3. 632 views
Hi! I have 4 math questions! (:1.) There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What
1. 2 answers
2. asked by Brooke
3. 631 views
1.) You have $22 in your bank account, and you deposit $11.50 per week. Your cousin has $218 in his bank account and is
1. 1 answer
2. asked by Lorri
3. 627 views
The most chemically reactive metal elements are the alkali metals. They reactspontaneously with water or other substances in the
1. 2 answers
2. asked by Heather
3. 627 views
A gyroscope consists of a uniform disc of mass radius M= 1 kg and radius R= 0.3 m . The disc spins with an angular speed ω= 200
1. 1 answer
2. asked by bob
3. 622 views
A 25 g bullet is fired from a rifle with a barrel of length 65 cm. The bullet starts from rest atone end of the barrel and
1. 1 answer
2. asked by Angie
3. 619 views
A current of 20 mA flows in a single circular loop with a radius of 2 meters. A uniform magnetic field of 1.2 T points parallel
1. 2 answers
2. asked by James
3. 610 views
Jason designed an arch made of wrought iron for the top of a mall entrance. The 11 segments between the two concentric circles
1. 0 answers
2. asked by Brittany
3. 609 views
When 1.0 L solution Ba (NO3) 2 2.0 M at 25oC is mixed with 1.0 L solution of 2.0 M Na2SO4 in a calorimeter, the reaction that
1. 0 answers
2. asked by Norsiah
3. 601 views
Three moles of an ideal monatomic gas are at a temperature of 396 K. Then 2438 J of heat is added to the gas, and 897 J of work
1. 2 answers
2. asked by Help Please
3. 600 views
Create a null hypothesis for the following research questions:a. What are the differences between emergency room shifts on
1. 0 answers
2. asked by Anonymous
3. 598 views
Hi! Someone was helping me earlier with these but their explanation was hard to understand. Can someone ELSE help me? Thanka! :)
1. 1 answer
2. asked by Brooke
3. 595 views

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