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Questions Asked on October 25, 2011

A rancher plans to make four identical and adjacent rectangular pens against a barn, each with an area of 100m^2. what are the
1. 3 answers
2. asked by Anonymous
3. 10,064 views
The numerator of a fraction is two less than its denominator. When both numerator and denominator are increased by 3, the
1. 9 answers
2. asked by Ghiffari
3. 9,299 views
The initial term of an arithmetic sequence is 5. The eleventh term is 125. what is the common difference of the arithmetic
1. 6 answers
2. asked by Jane
3. 7,589 views
Write formation reactions for the following. (You must include the states of matter for each atom or compound)A. Ca(NO3)2 (s) B.
1. 2 answers
2. asked by Bekah
3. 7,320 views
In the CO3^2- ion, all three C-O bonds have identical bond lengths of 136 pm. Why?
1. 1 answer
2. asked by Joe Schmo
3. 7,260 views
You're driving your pickup truck around a curve with a radius of 22meters. A box in the back of the truck is pressed up against
1. 2 answers
2. asked by Noe Valencia
3. 6,408 views
9) A gumball machine has just been filled with 50 black, 150 white, 100 red and 100 yellow gum balls that have been thoroughly
1. 3 answers
2. asked by Anonymous
3. 6,194 views
which of the following samples has the greatest number of atoms20 million O2 molecules 0.1 mole of Fe 2.0 mole of Ar 100 g of Pb
1. 3 answers
2. asked by payton
3. 5,639 views
a) How will the concentration of NaOH be affected if during the titration some of the solid potassium hydrogen phthalate was
1. 2 answers
2. asked by Josh
3. 5,504 views
A balloon is rising vertically above a level, straight road at a constant rate of 1 foot/second. Just when the balloon is 65
1. 1 answer
2. asked by Jo
3. 5,238 views
The point A(-3, -5) is one the terminal arm of an angle feta. Determine the exact expressions for the primary trigonmetric
1. 1 answer
2. asked by -Untamed-
3. 4,322 views
For what values of k will the functon f(x)=kx^2-4x+k have no zerosDetermine the values of k for which the function
1. 1 answer
2. asked by Farrah
3. 4,226 views
Use the Pythagorean Theorem to find the missing side of the triangle. Round to the nearest tenth, if necessary.a = ?, b = 5, c =
1. 2 answers
2. asked by tracy
3. 3,642 views
A rectangle has a diagonal of 8cm. The diagonal creates a 60 degrees angle at the base of the rectangle.Write an exact
1. 3 answers
2. asked by -Untamed-
3. 3,156 views
The population of a Canadian city is modelled by P(t)=12t^2+800t+40000, where t is the time in years. When t=0, the year is
1. 1 answer
2. asked by ashvini
3. 2,978 views
A 1.10 sample of dry ice is added to a 745 mL flask containing nitrogen gas at a temperature of 25.0 degrees C and a pressure of
1. 1 answer
2. asked by Jackie
3. 2,870 views
Listed below are six mixtures. Identify physical properties of the components that allow you to separate them. Then, explain the
1. 1 answer
2. asked by Hope
3. 2,804 views
Fe2+ + MnO4- + Fe3+ + Mn2+ which of the elements is undergoing oxidation and which of the elements is the oxidizing agent?
1. 2 answers
2. asked by TROUBLED
3. 2,580 views
A bicyclist is coasting straight down a hill at a constant speed. The mass of the rider and bicycle is 55.0 kg, and the hill is
1. 2 answers
2. asked by Kelsey
3. 2,554 views
Show all workYou have 92 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side
1. 2 answers
2. asked by Liz
3. 2,421 views
an experimental jetplane just after takeoff climbs with a speed of 500km/hr at an angle of 37 degrees with the horizontal. At
1. 4 answers
2. asked by Lily
3. 2,412 views
A developer wants to enclose a rectangular grassy lot that borders a city street for parking. If the developer has 212 feet of
1. 1 answer
2. asked by Jessica
3. 2,343 views
Jane, looking for Tarzan, is running at top speed (6.2 m/s) and grabs a vine hanging vertically from a tall tree in the jungle.
1. 2 answers
2. asked by Brooke
3. 2,330 views
The length and width of a rectangle are (x+4)cm and xcm respectively. Write down expressions for:A. The perimeter of the
1. 1 answer
2. asked by Ghiffari
3. 2,296 views
Your client is 40 years old and she wants to begin saving for retirement, with the first payment to come one year from now. She
1. 4 answers
2. asked by Anonymous
3. 2,235 views
A particle is moving along the curve whose equation is (xy^3)/(1+y^2)= 8/5. Assume the x-coordinate is increasing at the rate of
1. 2 answers
2. asked by Jo
3. 2,213 views
A crow is flying horizontally with a constant speed of 2.50 m/s when it releases a clam from its beak. The clam lands on the
1. 2 answers
2. asked by Dylan
3. 2,068 views
angle JkL is a right angle. what are m JKM (12x+3) and m MKL (6x-3)
1. 2 answers
2. asked by junior
3. 2,061 views
Show all workThe manufacturer of a CD player has found that the revenue R (in dollars) is R(p)= -4p^2+1280p, when the unit price
1. 1 answer
2. asked by Anonymous
3. 1,999 views
A sinusoidal wave on a string is described by the equation y = (0.169 m) sin (0.713 x - 41.9 t), where x and y are in meters and
1. 3 answers
2. asked by maria
3. 1,986 views
Heating 1.29 g of gallium gives a gallium-oxygen compound with a mass of 1.73 g.-How many grams of oxygen are in the 1.73 grams
1. 2 answers
2. asked by Jeannie
3. 1,941 views
A block of mass m = 3.20kg slides from rest a distance d down a frictionless incline at angle θ = 30.0° where it runs into a
1. 3 answers
2. asked by Anonymous
3. 1,928 views
evaluate without using a calculator, leaving your answer as surds(a)sin105 degrees (b)tan15 degrees (c)cos 75 degrees
1. 2 answers
2. asked by ceasar
3. 1,918 views
write the equation of the neutralization of sulfuric acid (H2SO4) with potassium hydroxide (KOH) and write the net ionic
1. 1 answer
2. asked by Doss
3. 1,861 views
At the potluck , there were 6 pecan pies, 7 lemon pies, 13 cherry pies, and 8 apple pies. Find the ratio of apple pies to the
1. 5 answers
2. asked by Mia
3. 1,847 views
Show all stepsThe maximum number of volts, E, that can be placed across a resistor is given by the formula E=sq root(PR), where
1. 2 answers
2. asked by Betty
3. 1,826 views
1. cognitive psychology can best be described:a. the study of higher mental processes b. the therapeutic applications of
1. 4 answers
2. asked by TObby
3. 1,779 views
In Figure 10-20, the magnitude of the force necessary to stretch a spring is plotted against the distance the spring is
1. 1 answer
2. asked by Claire
3. 1,749 views
What is the upper and lower bound ofsin x+2
1. 1 answer
2. asked by Max
3. 1,653 views
I have to write a comparative essay please review it for me thank you.Antigone and Whale Rider In the play Antigone by Sophocles
1. 2 answers
2. asked by manal
3. 1,629 views
You start an investment account with $3000 and save $100 each month. Write a rule to represent the total amount of money you
1. 3 answers
2. asked by Jane
3. 1,553 views
Show all work.A projectile is fired from a cliff 100 ft above the water at an inclination of 45 degrees to the horizontal, with
1. 1 answer
2. asked by Anonymous
3. 1,504 views
rewrite these sentences into reported speech.1-where did you get these dress? 2-who did these dress belong to? 3-where do you
1. 7 answers
2. asked by julia
3. 1,482 views
What is the vertical and horizontal asymptotes of.. 3x _________ x^2-3x-10
1. 1 answer
2. asked by Max
3. 1,471 views
Using the data collected for part b on your data sheet, calculate the molar mass of the unknown acid. Include the calculation
1. 2 answers
2. asked by Josh
3. 1,469 views
please correct if the sentence into reported speech are right.1-where do you buy your clothes? she asked me where did i buy my
1. 1 answer
2. asked by Emma
3. 1,436 views
The radius of a right circular cylinder is given by t + 9and its height is (1/9)*(t^0.5) where t is time in seconds and the
1. 1 answer
2. asked by Karishma
3. 1,429 views
3. At a cafeteria the customers arrive at an average of 0.3 per minute. The probabilitythat a)exactly 2 customers arrive in a 10
1. 1 answer
2. asked by Anonymous
3. 1,394 views
Serena paid $20.20 for 36 rulers and folders. She bought 16 more folders than rulers. If each folder cost $0.50 more than each
1. 2 answers
2. asked by KevinR
3. 1,382 views
Destiny is using a nutrient solution to use in her garden.She places the powder in a watering can.Then she adds the water.Which
1. 4 answers
2. asked by Harry please please
3. 1,382 views
if my ones digit is 5 more then the tens digit, i am greater than 25 and less than 35. what number am i?
1. 2 answers
2. asked by Anonymous
3. 1,373 views
The officejet printer can copy Lisa's dissertation in 22 min. The laserjet printer can copy the same document in 18 min. If the
1. 1 answer
2. asked by Kelly
3. 1,356 views
Determine the break-even points of the profit function P(x)=-2x^2+7x+8, where xis the number of dirt bikes produced, in
1. 1 answer
2. asked by ashvini
3. 1,350 views
If 25 ml of 0.11 M sucrose is added to 10 ml of 0.52 M sucrose, what will be the resulting Molarity?
1. 2 answers
2. asked by Bob
3. 1,344 views
when a 0.702g sample of a mixture of volatile hydrocarbons is burned in a bomb calorimeter with a heat capacity of 4287 J/C, the
1. 2 answers
2. asked by Bekah
3. 1,339 views
A group of parents is going to sell specialty coffee drinks including espresso, lattes, cappuccinos and mochas. It cost $250 to
1. 1 answer
2. asked by Kelly
3. 1,263 views
A particle A of mass 2kg lies on the edge of a table of height 1m. It is connected by a light inelastic string of length 0.7m to
1. 0 answers
2. asked by Prabhjot
3. 1,256 views
a piece of rectangular sheet metal is 20 in. wide. It is made into a rain gutter by turning up the edges to form parallel sides.
1. 1 answer
2. asked by Anonymous
3. 1,252 views
Donald Duck and his nephews manage to sink Uncle Scrooge's yacht (m = 4843 kg), which is made of steel (ρ = 7850 kg/m3). In
1. 4 answers
2. asked by melisa
3. 1,250 views
Exponential growth and decayfind the half life of a radioactive substance if 220 grams of the substance decays to 200 grams in 4
1. 1 answer
2. asked by Josh
3. 1,231 views
It is given a quadratic function y=a(x-h)62+k.If its graph is a parabola with x=2 as its axis of symmetry,and it passes through
1. 1 answer
2. asked by Kon
3. 1,212 views
Find B so that F(x)=-x^2+bx-75 has a maximum value of 25.
1. 1 answer
2. asked by tracy
3. 1,188 views
Using the data collected for part c on your data sheet and assuming the density of the vinegar is 1.00g/mL,1) calculate the
1. 1 answer
2. asked by Josh
3. 1,185 views
whenever two Apollo astronauts were on the surface of the moon, a third astronaut orbited the moon, assume the orbit to be
1. 0 answers
2. asked by carlton
3. 1,160 views
A 3.01 kg block slides down a frictionless plane inclined 18.6° to the horizontal. If the length of the plane's surface is 1.47
1. 1 answer
2. asked by Yuki
3. 1,158 views
Identify the marshall plan (locate it historically) and explain its historical significans.Marshall Plan(June 1947 to 1952)
1. 1 answer
2. asked by Anonymous
3. 1,156 views
Little Billy was out trick or treating on Halloween. He had gotten a lot of candy and was peering into his bag, when out from
1. 1 answer
2. asked by Linda
3. 1,149 views
Fine the measure of feta, to nearest degree, where 0 degrees is less or equal to feta, and feta is less or equal to 360 degrees.
1. 2 answers
2. asked by -Untamed-
3. 1,127 views
A block is pushed across a horizontal surface with a coefficient of kinetic friction of 0.15 by applying a 150 N horizontal
1. 2 answers
2. asked by Chris
3. 1,100 views
Aside from temperature change what is another but less major reason why sea levels might rise due to climate change?
1. 1 answer
2. asked by jillian
3. 1,096 views
What is the ratio formed between two parallelograms one is 2 inches by 6 inches and the other is 6 inches by 18 inches?
1. 1 answer
2. asked by jenna
3. 1,094 views
In testing a new drug, researchers found that 10% of all patients using it will have a mild side effect. A random sample of 14
1. 0 answers
2. asked by Jennifer
3. 1,092 views
A school psychologist is asked to help with a third grade student who is disrupting the class and causing the teacher to
1. 1 answer
2. asked by TObby
3. 1,085 views
The first and seventh terms of a sequence are both 8. Starting with the third term, each term is the sum of the two previous
1. 1 answer
2. asked by Anonymous
3. 1,082 views
For a chemistry lab the experiment was to carry out an acid-base titration to determine the exact concentration of a sodium
1. 3 answers
2. asked by Hannah
3. 1,076 views
Psychologists using information from old newspapers to study human behavior are engaging in:a. developmental research b.
1. 4 answers
2. asked by TObby
3. 1,076 views
In Denver, children bring their old jack-o-lanterns to the top of a tower and compete for accuracy in hitting a target on the
1. 1 answer
2. asked by Dylan
3. 1,076 views
carbon 85.6% and H 14.4 % is their composition of mass.what is their molecular formula examples below C2H6 C3H4 CH4 C2H4 C3H8
1. 2 answers
2. asked by Doss
3. 1,059 views
1. Consider a population with µ=73.6 and 0 = 5.38(A) Calculate the z-score for x =72.7 from a sample of size 45. (B) Could this
1. 1 answer
2. asked by jane
3. 1,048 views
what are some non-examples in multiculturalism?
1. 3 answers
2. asked by analee
3. 1,025 views
You budget $100 each month for parking. Each day you use the downtown parking lot. It costs $5. Write a rule to represent the
1. 1 answer
2. asked by Jane
3. 1,020 views
Classify the following as discrete or continuous random variables.(A) The time it takes to run a marathon (B) The number of
1. 2 answers
2. asked by Jennifer
3. 1,009 views
Marth's mother is 5 times as old as Marta Marth'smother is 25 years old1. How old is Matra? 2.In 5 years Marta's mother will be
1. 3 answers
2. asked by maryam
3. 1,008 views
Hypothesis TestingA researcher asks whether attending a private high school leads to higher or lower performance on a test of
1. 1 answer
2. asked by Shawna
3. 1,007 views
f(x) = ln x, [1, 6]If it satisfies the hypotheses, find all numbers c that satisfy the conclusion of the Mean Value Theorem.
1. 1 answer
2. asked by John
3. 1,000 views
a.) Assume that you had 100 nuts (N) and 75 bolts (B). How many NB molecules could you make by screwing one nut onto each bolt?b
1. 1 answer
2. asked by Kay
3. 997 views
A team of psychology students would like to expose their classmates to an embarrassing experience in order to gather data for
1. 3 answers
2. asked by TObby
3. 985 views
From a deck of 52 cards, 7 are drawn randomly without replacement. Let X and Y be the number of hearts and spades respectively .
1. 0 answers
2. asked by Jenna
3. 978 views
Suppose that 3% of the population ha a certain disease. We have a test for the disease. 97% of those who actually have the
1. 1 answer
2. asked by Betty
3. 971 views
A child is flying a kite. If the kite is 125 feet above the child's hand level and the wind is blowing it on a horizontal course
1. 1 answer
2. asked by Katie
3. 966 views
I was doing some research for a wildlife art contest in January and I can't seem to find a specific bit of information that is
1. 0 answers
2. asked by Harley
3. 966 views
David has to dissolve salt crystals in the water. What would be the best thing to do to help the crystals dissolve quickly?A)hea
1. 8 answers
2. asked by Sally
3. 963 views
In the reaction X+Y (R) Z, Z is theA)Substrate B)Product C)Enzyme D)Carbon Molecule
1. 0 answers
2. asked by Jake
3. 961 views
A skydiver of mass 81.5 kg jumps from a slow-moving aircraft and reaches a terminal speed of 54.9 m/s.(a) What is her
1. 1 answer
2. asked by Anonymous
3. 957 views
You would cite the sources in your speech for all of the following except:1.)if you use nonoriginal visual materials. 2).if you
1. 3 answers
2. asked by Michelle
3. 953 views
When only the front wheels of an automobile are on a platform scale, the scale balances at 7.9 kN; when only the rear wheels are
1. 4 answers
2. asked by mymi
3. 947 views
What can you conclude about the effect of the thermal expansion of water on sea level?
1. 0 answers
2. asked by margaret
3. 940 views
The ratio of the distances a driver and a 2 iron can propel a golf ball is 5 to 4. If a golfer averages a distance of 200 yards
1. 0 answers
2. asked by nan
3. 937 views
A rancher plans to make four identical and adjacent rectangular pens against a barn, each with an area of 100m^2. what are the
1. 0 answers
2. asked by Anonymous
3. 928 views
One end of a cord is fixed and a small 0.300 kg object is attached to the other end, where it swings in a section of a vertical
1. 1 answer
2. asked by carlton
3. 928 views

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