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Questions Asked on April 27, 2011

The sides and diagonal of the rectangle above are strictly increasing with time. At the instant when x=4 and y=3, dx/dt=dz/dt
1. 3 answers
2. asked by Repost
3. 16,276 views
Wayne pulls a 305 N sled along a snowy path using a rope that makes a 45.0° angle with the ground. Wayne pulls with a force of
1. 3 answers
2. asked by Merlin
3. 6,243 views
Given that force 1=60 pounds and force 2=90 pounds, find the angle between the forces if the magnitude of the resultant force is
1. 1 answer
2. asked by Shelby
3. 4,149 views
The average coefficient of volume expansion for carbon tetrachloride is 5.81 10-4 (°C)-1. If a 43.0 gal steel container is
1. 3 answers
2. asked by Jamie
3. 4,029 views
ia 3ag2S+2AL = 6 ag +al2s3 a double replacement or single replacement
1. 3 answers
2. asked by Patricia
3. 3,491 views
Balance the following redox equation occurring in a basic solution:AG + CN{-} + O2 = AG(CN)2{-} I tried...but this is
1. 7 answers
2. asked by lili
3. 3,408 views
What are the oxidation numbers for the elements in the compound C2H5COOH?
1. 1 answer
2. asked by Henry
3. 3,070 views
cos94 degrees cos18 degrees+ sin94 degrees sin18 degrees.write the expression as the sine, cosine, or tangent of an angle.
1. 3 answers
2. asked by caitlyn
3. 2,836 views
A Candy box is made from a piece of cardboard that meaasures 11 by 7 inches. Squares of equal size will be cut out of each
1. 1 answer
2. asked by Anonymous
3. 2,829 views
Identify which of the following sentences uses modifiers correctly;a) kurt and his hockey teammates nearly cooked two hundred
1. 5 answers
2. asked by Maria
3. 2,768 views
Given that the specific heat capacities of ice and steam are 2.06 J/g degrees C and 2.03 J/g degrees C, respectively, calculate
1. 2 answers
2. asked by Joe Schmo
3. 2,713 views
A screwdriver with a 1-cm shaft and a 4-cm handle is used to tighten a screw, what is the ima?
1. 2 answers
2. asked by Liam
3. 2,679 views
A boat traveled 45 miles downstream (w/ the current) in 3 hours and made the return trop (against the current) in 5 hours. What
1. 3 answers
2. asked by mindy
3. 2,676 views
Three times as many children as adults attend a concert on Saturday. An adult's ticket cost $7 and a child's ticket cost $3. The
1. 7 answers
2. asked by Carolina
3. 2,590 views
The function f is twice differentiable, and the graph of f has no points of inflection. If f(6)+3, f'(6)=-1/2, and f"(6)=-2,
1. 1 answer
2. asked by Confused
3. 2,523 views
A trap door, of length and width 1.65 m, is held open at an angle of 65.0 degrees with respect to the floor. A rope is attached
1. 1 answer
2. asked by Julia
3. 2,405 views
A painter uses a fixed pulley to raise a 1-k can of paint a distance of 10 m,what is the ima??
1. 3 answers
2. asked by Liam
3. 2,316 views
A box contains 55 balls numbered from 1 to 55. If 8 balls are drawn with replacement, what is the probability that at least two
1. 1 answer
2. asked by Nick
3. 2,264 views
(a) The molar solubility of Ag2CrO4(s) at 35°C is 1.3 10-4 mol/L. Calculate Ksp.(b) If 0.0490 g of AgIO3 dissolves per liter of
1. 3 answers
2. asked by Rebekah
3. 2,085 views
A spinner is divided into 5 equal sections numbered 1, 2, 3, 4, and 5. If the spinner is spun and a coin is tossed, what is the
1. 2 answers
2. asked by Lo
3. 2,079 views
The scale factor for two similar triangles is 4 : 3. The perimeter of the smaller triangle is 12. What is the perimeter of the
1. 2 answers
2. asked by Tyler
3. 2,062 views
How do I calculate the amount of heat needed to convert 96g of ice at -24 degrees celciua to water at 28 degrees celciua?
1. 1 answer
2. asked by Emma
3. 2,047 views
a local television station sends out questionnaires to determine if viewers would rather see a documentary, an interview show or
1. 1 answer
2. asked by jim
3. 2,012 views
The equilibrium constant, Kc is 3.2 x10 -34 at 25C for the reaction 2 HCl(g) <=> H2(g) + Cl2(g). what is The equilibrium
1. 2 answers
2. asked by Donna
3. 1,955 views
Describe the confrontation between Ralph and Jack in Chapter 6 of Lord of the Flies.
1. 2 answers
2. asked by Jasmine
3. 1,729 views
a restaurant offered pizza with 3 types of crust and 7 different toppings. how many different types of pizzas could be offered?
1. 3 answers
2. asked by jimmy
3. 1,628 views
Write in cartesian form:r=3tan(theta)sec(theta) im working with this function here, trying to get an rcos(theta) and/or
1. 1 answer
2. asked by Mike
3. 1,591 views
(c) Using the appropriate Ksp value from Appendix D, calculate the solubility of Cu(OH)2 in grams per liter of solution.Appendix
1. 1 answer
2. asked by Rebekah
3. 1,494 views
a restaurant offered pizza with 3 types of crust and 7 different toppings. how many different types of pizzas could be offered.
1. 1 answer
2. asked by jimmy
3. 1,486 views
the rate of return for an investment can be described by a normal distribution with mean 22% and standard deviation 3%. what is
1. 1 answer
2. asked by Carola
3. 1,457 views
how much power is used when a weightlifter lifts a 1250-n barbell 2 meters in 3 seconds.
1. 2 answers
2. asked by Liam
3. 1,415 views
Use Henry's law to determine the molar solubility of helium at a pressure of 1.5 atm and 25deg C.
1. 1 answer
2. asked by Anonymous
3. 1,380 views
When the _1_ citizens of Reynoldsville finally realized that their forty-cent bottles of miracle sap contained nothing more than
1. 2 answers
2. asked by Sally
3. 1,379 views
State whether the events described are independent or dependent and determine the probability:A card is pulled from a well
1. 1 answer
2. asked by Lo
3. 1,376 views
when adding and subtracting integers does 2 negatives equal a positive?And does 1 positive plus 1 negative number equal a
1. 3 answers
2. asked by cassandra
3. 1,374 views
A car traveling at a speed of 18 m/s (approximately 40 MPH) crashes into a solid concrete wall. The driver has a mass of 90 kg.a
1. 1 answer
2. asked by Anonymous
3. 1,360 views
Three drugs are being tested for use as the treatment of a certain disease.Let p 1 , p 2 , and p 3 represent the probabilities
1. 1 answer
2. asked by Lauren
3. 1,354 views
The reaction of MnO4- with oxalic acid (H2C2O4) in aciic solutiob, yielding Mn2+ and CO2 gas, is widely used to determine the
1. 1 answer
2. asked by lili
3. 1,353 views
A concave spherical mirror has a radius of curvature 15 cm. A 1 cm tall bulb is placed in front of the mirror such that its
1. 0 answers
2. asked by ashley --
3. 1,255 views
solve the equations algebraicallyx^2 + y^2 = 25 3y - 4x = 0
1. 1 answer
2. asked by Camile
3. 1,255 views
Using the arrangement of letters in the margin, compute the number of paths that spell the word MATHEMATICS if all paths must
1. 1 answer
2. asked by Jay
3. 1,229 views
find the density of a metal ball weighs 1.8kg. volume of ball is 250cc??
1. 2 answers
2. asked by srishty
3. 1,163 views
DEFINE AND GIVE EXAMPLES1. Sexual reproduction 2. asexual reproduction
1. 2 answers
2. asked by robert
3. 1,124 views
proponents of the peak oil theory claim that worldwide production of petroleum will soon reach a maximum and start to decline.
1. 0 answers
2. asked by Caren
3. 1,112 views
Guillaume voyage avec ______ soeur et _______ parents.i have to use " SON , SA, OR SES " as appropriate.
1. 2 answers
2. asked by Nadia
3. 1,111 views
Omg i'm having such a hard time doing this geography assignment! Can someone please help me!Write a short essay consisting of a
1. 1 answer
2. asked by surfsupmel
3. 1,101 views
A mover uses a ramp to push a stereo into the moving van. The ramp is 3 meters long and 1.5 meters high. What is the ima of this
1. 5 answers
2. asked by Liam
3. 1,098 views
How many grams of bromine can be obtained by the decomposition of 92.0 of MgBr2?
1. 1 answer
2. asked by Mel
3. 1,098 views
The width of a rectangle is three fourths of the length. The perimeter of the rectangle becomes 50 cm when the length and the
1. 1 answer
2. asked by risha
3. 1,089 views
How do you write this as an algebraic inequality ?"Three times a number decreased by seventeen is less than or equal to eight."
1. 3 answers
2. asked by Elda
3. 1,084 views
Some Carnot engine has an efficiency 0.700. The hot reservoir temperature is 900K. This means that the temperature of the cold
1. 3 answers
2. asked by Daniel
3. 1,075 views
Where does a puffer fish live?encyclopedia,dictionary,atlas,globe
1. 5 answers
2. asked by esha
3. 1,048 views
If 25 ml of bromine, a liquid element at room temperature, is added to 100 ml of water, what would be the resulting molar
1. 1 answer
2. asked by Lady L
3. 1,038 views
One card is drawn from a deck. Are the events "drawing a face card" and "drawing a black card" independent or dependent?
1. 2 answers
2. asked by ADO30
3. 1,025 views
solve using any method and identify the system as consistent, inconsistent or dependent. 3x-4y=86x-2y=10 I want to use
1. 1 answer
2. asked by Nancy
3. 1,018 views
-My tens and units digits are consecutive integers whose product is 2/3 of my hundreds digit.-My units digit is 1/3 of my
1. 1 answer
2. asked by Shelbie
3. 1,014 views
1. In The Miracle Worker, when Helen touches her cheek she is trying to ask forA. a sweet. B. her mother. C. Annie. D. a drink.
1. 7 answers
2. asked by surfsupmel
3. 1,003 views
A woman is standing on the middle of a ladder that leans up against a building, with an angle of 65 degrees from the ground. The
1. 1 answer
2. asked by Anonymous
3. 995 views
Let X and Y equal the outcomes when two fair six-sided dice are rolled. LetW = X + Y. Assuming independence, find the p.m.f. of
1. 1 answer
2. asked by Sandy
3. 983 views
As promised, I'm sending you 5 sentences I'm finding it difficult to change. Thank you.1)In the second stanza there is the
1. 1 answer
2. asked by Henry1
3. 964 views
The first year after 1999 which is the product of three consecutive integers is:2004 2040 2046 2052 2184 Please show working out
1. 2 answers
2. asked by Babiinoob
3. 962 views
A uniform stick 1.5 m long with a total mass of 210 g is pivoted at its center. A 3.9-{\rm g} bullet is shot through the stick
1. 1 answer
2. asked by Anonymous
3. 928 views
The ratio of the volume of cube A to the volume of cube B is 64 to 27. Use this information to determine the ratio of the length
1. 1 answer
2. asked by Nicole G.
3. 926 views
Between 1935 and 1957, a period that included World War II, the birth rate rose from 16.9 to 25 per 1000 people. What was the
1. 4 answers
2. asked by isamalrivera
3. 922 views
The sides and diagonal of the rectangle above are strictly increasing with time. At the instant when x=4 and y=3, dx/dt=dz/dt
1. 0 answers
2. asked by Confused
3. 921 views
Thank you very much. I included my corrections in brackets, when necessary.1)The front door is where Dr Jekyll is seen and
1. 1 answer
2. asked by Henry1
3. 909 views
Some technical terms pass into common usage as knowledge about a field spreads Think of three such terms that have passed into
1. 2 answers
2. asked by diane
3. 898 views
In what ways can we say that quantum physics both is and is not classical science?
1. 1 answer
2. asked by Humanities
3. 886 views
A population of animals has a dominant allele for dark-colored fur and a recessive allele for light-colored fur. If the
1. 0 answers
2. asked by Jenny
3. 884 views
In my previous post I included the following sentence checked by Bob. I can't understand the correction.1) They have no boots,
1. 1 answer
2. asked by Henry1
3. 879 views
An engine moves a boat through the water at a constant speed of 16 m/s. The engine must exert a force of 7.0 103 N to balance
1. 0 answers
2. asked by Merlin
3. 859 views
A consumer buys n light bulbs, each of which has a lifetime that has a meanof 800 hours, a standard deviation of 100 hours, and
1. 0 answers
2. asked by Alex
3. 851 views
A rectangular dog run is to be enclosed by a fence and then divided into two smaller rectangular areas by a fence parallel to
1. 1 answer
2. asked by Stacy
3. 840 views
How do I calculate the amount of heat needed to convert 96g of ice at -24 degrees celciua to water at 28 degrees celciua?
1. 1 answer
2. asked by Emma
3. 836 views
Suppose the revenue from producing (and selling) x units of product is given by R(x)=7x-0.01x^2 dollars.A)find the marginal
1. 0 answers
2. asked by Anonymous
3. 813 views
I- is converted into I2 by the addition of an aqueous solution of KMnO4 to an aqueous solution of KI. What is the oxidation
1. 1 answer
2. asked by Kayla
3. 811 views
Calculate the sodium ion concentration when 70 ml of 3.M sodium carbonate is added to 30 ml of 1.M sodium bicarbonate.
1. 1 answer
2. asked by jess
3. 806 views
A 1.00 L solution saturated at 25°C with lead(II) iodide contains 0.54 g of PbI2. Calculate the solubility-product constant for
1. 2 answers
2. asked by Rebekah
3. 804 views
A rectangular parking lot is 25 ft. ny 50 ft is increased on all 4 sides by the same amount. The area increased by 400 sq ft.
1. 1 answer
2. asked by Sally
3. 793 views
Okay, Assume the triangle has the given measurements. Solve for the remaining sides and angles.A = pi/6; a = 17.4; b = 19.6
1. 1 answer
2. asked by Veronica
3. 790 views
what volume of distilled water must be added to 165mls of stock solution to make 1200mls of diluted solution
1. 1 answer
2. asked by Anonymous
3. 779 views
TWO NUMBER CUBES AREROLLED AT THE SAME TIME . WHAT IS THE PROBABILITY THTA BOTH NUMBER CUBES WILL SHOW AN EVEN NUMBER
1. 1 answer
2. asked by SHANNA
3. 776 views
If the temperature at sea level were 23C,what would the air temperature be at a height of 2 kilometers under average conditions?
1. 1 answer
2. asked by Jessica
3. 774 views
I WAS WONDERING IF SOMEONE CAN TELL ME WHERE I CAN READ AND OR REVIEW A HICHSCHOOL STUDENTS HISTORY BOOK, THE FULL TEXTBOOK
1. 1 answer
2. asked by JULIANNA
3. 773 views
Trying to find the power to this ?. A weightlifter lifts a 1250-n barbell 2meters in 3seconds. How much power was used to lift
1. 2 answers
2. asked by Liam
3. 766 views
a reaction witha known q is performed in a bomb calorimeter and is found that 10.0 kj of heat is required to raise the
1. 1 answer
2. asked by ben
3. 740 views
given the following information, provide an example of how much of farmers sausage gravy mix should be ordered. You are doing
1. 0 answers
2. asked by rose
3. 739 views
Write a rule for the nth term of the arithmatic sequence. Then find a10.1. -4,2,8,14,20 2. -25,-29,-30,-37,-41
1. 1 answer
2. asked by Dariean
3. 737 views
Not sure if either one of these answer are correct to simplify the sqrt for 241) 24 = 6 x 4 square root of 24 = square root of 6
1. 1 answer
2. asked by plese help me
3. 730 views
Evaluate the following indefinite integral. Use C as the arbitrary constant.�ç(12 /�ãx+12�ãx)dx Only the x's are under the
1. 2 answers
2. asked by Anonymous
3. 730 views
How do I calculate the amount of heat needed to convert 96g of ice at -24 degrees celciua to water at 28 degrees celciua?
1. 1 answer
2. asked by Emma
3. 725 views
A consumer buys n light bulbs, each of which has a lifetime that has a meanof 800 hours, a standard deviation of 100 hours, and
1. 0 answers
2. asked by Lo
3. 724 views
A consumer protection group reports that 25% of 5-lb bags of sugar of a certain brand are underweight. Three bags of sugar are
1. 1 answer
2. asked by Pauline
3. 724 views
Find each number to the nearest tenth.What number is 66 2/3% of 45?
1. 1 answer
2. asked by Amy
3. 719 views
Marcus flips a coin and tosses a six-sided die with the sides numbered 1 through 6. What is the probability that he gets a head
1. 1 answer
2. asked by Lo
3. 698 views
Let X and Y equal the respective numbers of hours a randomly selected child watches movies or cartoons on TV during a certain
1. 0 answers
2. asked by Traxx
3. 690 views
In 2005 admission to the Bronx zoo was $6 for a child and admission to the toronto zoo was 11 candian dollars. Using the
1. 3 answers
2. asked by christomes
3. 683 views
What will be the molarity of the resulting solutions made by mixing the following? Assume that volumes are additive.91 mL of
1. 0 answers
2. asked by Sam
3. 676 views
Eleven members of the team gave each other "high fives". If each player gave each teammate a high five, how many high fives
1. 4 answers
2. asked by Rusty
3. 671 views
summarize the comparing characteristics and innovations of each Greek and Roman architecture in 200-300 words
1. 5 answers
2. asked by Desiree
3. 670 views

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