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Questions Asked on March 4, 2013

A beaker of nitric acid is neutralized with calcium hydroxide. Write a balanced molecular equation and a net ionic equation for
1. 3 answers
2. asked by Amee
3. 8,353 views
an athlete can run 6 miles in 51 minutes. at this rate, approximately how far could the runner go in 1.5 hours
1. 2 answers
2. asked by mary
3. 7,756 views
For numbers 1–3, find the indicated measurement of the figure described. Use 3.14 for pi and round to the nearest tenth.Find
1. 50 answers
2. asked by Delilah
3. 6,767 views
If you walk 2 km from your house to a store then back home, whats your displacement?(Displacement is the difference between 1st
1. 11 answers
2. asked by Heleny
3. 6,534 views
in an experiment, ammonia gas, NH3(g) was bubbled through distilled water. Some of the dissolved ammonia gas, NH3, reacted with
1. 1 answer
2. asked by Joe
3. 4,380 views
What association would you expect if graphing height and weight? (1 point)positive nonlinear negative none of these
1. 9 answers
2. asked by TheFriendlyUnicorn
3. 4,364 views
Suppose a population of 160 crickets doubles in size every month. The function gives the population after x months. How many
1. 9 answers
2. asked by Anonymous
3. 4,289 views
two point charges q1=3uc and q2=-2uc are placed 5 cm apart on the x asix. at what points along the x asix ina) the electric
1. 2 answers
2. asked by yanis
3. 3,912 views
How many milliliters of 0.0560 M EDTA are required to react with 50.0 mL of 0.0170 M Cu^2+? With 50 mL of 0.0170 M Sc^3+?My work
1. 1 answer
2. asked by Sam
3. 3,688 views
If a person draws two cards from a standard deck (without replacing them), what is the probability that at least one of the
1. 2 answers
2. asked by brad
3. 3,602 views
Phenylacetic acid (C6H5CH2COOH) is one of the substances that accumulates in the blood of people with phenylketonuria, an
1. 2 answers
2. asked by hannah
3. 3,468 views
The position of a particle moving on a horizontal line is given by s(t)=2t^3-15t^2+24t-5, where s is measured in feet and t in
1. 2 answers
2. asked by Raul
3. 3,449 views
Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent
1. 3 answers
2. asked by Kimberly
3. 3,436 views
Under normal circumstances 1.5 feet of snow will melt into 2 inches of water. After a recent snowstorm, there were 3.5 feet of
1. 1 answer
2. asked by Kim
3. 3,280 views
an athlete. an run in 6 miles in 51 minutes. at this rate approximately how far could the runner go in 1.5 hours?A. 0.2 miles B.
1. 3 answers
2. asked by mary
3. 3,223 views
The owner of a used tire store wants to construct a fence to enclose a rectangular outdoor storage area adjacent to the store,
1. 3 answers
2. asked by Travis
3. 3,181 views
Ivan has completed 45% of his walk. He has already walked 9 km. How much farther does he have left to walk?I don't understand
1. 2 answers
2. asked by Cherie
3. 3,151 views
Relative to some reference points , ur nose is in motion when you run. Relative to othrrs, its not in motion. Give one example
1. 1 answer
2. asked by Heleny
3. 3,095 views
the probability of drawing a club from a deck of card is 1/4 what are the odds in favor of drawing a club from an ordinary deck
1. 1 answer
2. asked by Andrew
3. 3,045 views
Find the value of a so that the function f(x) = xe^(ax) has critical point at x = 9I found that the derivative is
1. 1 answer
2. asked by Calculus
3. 2,868 views
IQs among undergraduates at Mountain Tech are approximately normally distributed. The mean undergraduate IQ is 110. About 95% of
1. 2 answers
2. asked by Mm
3. 2,789 views
What is the molecular geometry surrounding the carbon atom in CI4? (This compound contains the elements caron and iodine, not
1. 2 answers
2. asked by will.i.am
3. 2,636 views
A community center is expanding the size of its rectangular meeting hall. The hall is currently 300ft long and 150ft wide. The
1. 2 answers
2. asked by Jane
3. 2,610 views
If a car holds 16 gallons of gas. If 3/4 of a tank was used how man gallonswas used?
1. 3 answers
2. asked by Anonymous
3. 2,437 views
The radius of a cylinder is 3x-2 cm. The height of the cylinder is x+3 cm. What is the surface area of the cylinder? The choices
1. 2 answers
2. asked by Jane
3. 2,326 views
The heights of young women are approximately normally distributed with a mean of 64.5 inches and a standard deviation of 2.5
1. 1 answer
2. asked by Sue
3. 2,254 views
The difference of the cubes of two consecutive odd positive integers is 400 more than the sum of their squares. Find the sum of
1. 1 answer
2. asked by John
3. 2,219 views
Consider the titration of 25.00 mL of 0.08364 M pyridine (see structure below) with 0.1067 M HCl. Find the pH at the following
1. 1 answer
2. asked by Angelyka
3. 2,138 views
1.Hess's law _____. A.) makes it possible to calculate H for complicated chemical reactions B.) states that when you reverse a
1. 4 answers
2. asked by Jack
3. 2,094 views
If 5.30mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of 0.1000 M HCl was added to 1.00 g
1. 1 answer
2. asked by Liz
3. 1,925 views
Andrew has a four-year college loan for $20,000. The lender charges a simple interest rate of 5 percent. How much interest will
1. 1 answer
2. asked by Anonymous
3. 1,858 views
Rectangle Dimensions: The length of a rectangle is 7 inches longer than the width. If the perimeter of the rectangle is 62
1. 2 answers
2. asked by Teresa
3. 1,828 views
Calculate SP (the sum of products of deviations) for thefollowing scores. Note: Both means are decimal values, so the
1. 1 answer
2. asked by Tracy
3. 1,808 views
Find the missing number in this pair of equivalent ratios._:12 : 36 and 8 : 4 : 12
1. 4 answers
2. asked by Cherie
3. 1,801 views
What is the mole ratio between all compounds of this reaction:HC2H3O2 + NaHCO3 = NaC2H3O2 + H2O + CO2
1. 1 answer
2. asked by Jeanne
3. 1,681 views
-2x-4y=1 12y=-6x-3I have to find the solutions, or no solution, or infinite solutions to these two equations.
1. 4 answers
2. asked by DJDiamond
3. 1,679 views
1. For the following scores,X Y 1 6 4 1 1 4 1 3 3 1 Sketch a scatter plot and estimate the value of the Pearson correlation. b.
1. 3 answers
2. asked by Cole Brown
3. 1,678 views
In the figure, a frictionless roller coaster car of mass m = 672 kg tops the first hill with speed v0 = 19.4 m/s at height h =
1. 1 answer
2. asked by Anonymous
3. 1,625 views
ABCDE is a regular pentagon. FAD is an equilateral triangle, such that points F and E are on the same side of line AD. What is
1. 1 answer
2. asked by Anonymous...urgent!
3. 1,590 views
Which statement is not true?A. Every parallelogram is a rectangle. B. Every square is a rhombus. C. Every square is a
1. 2 answers
2. asked by jizebella
3. 1,558 views
A satellite is in a circular orbit very close to the surface of a spherical planet. The period of the orbit is 2.23 hours. What
1. 1 answer
2. asked by Jose
3. 1,554 views
A horizontal spring is lying on a frictionless surface. One end of the spring is attaches to a wall while the other end is
1. 1 answer
2. asked by Erick
3. 1,518 views
What is the future value of $700 deposited for one year earning a 8% interest rate annually
1. 2 answers
2. asked by Anonymous
3. 1,505 views
1-how do the parts of the respiratory system worj togather?2-how does the respiratory system work with other body systems? 3-
1. 1 answer
2. asked by Heleny
3. 1,493 views
A calculator company produces a scientific calculator and a graphing calculator. Long-term projections indicate an expected
1. 3 answers
2. asked by Anonymous PLEASE HELP!
3. 1,484 views
A 6 uF capacitor is initially charged to 100V and then connected across a 600 ohm resistor. a) what is the initial charge on the
1. 1 answer
2. asked by Owen
3. 1,457 views
A 1.44-g sample of an unknown pure gas occupies a volume of 0.336 L at a pressure of 1.00 atm and a temperature of 100.0 degrees
1. 1 answer
2. asked by Lily
3. 1,414 views
A 1.44-g sample of an unknown pure gas occupies a volume of 0.336 L at a pressure of 1.00 atm and a temperature of 100.0 degrees
1. 0 answers
2. asked by Lily
3. 1,360 views
A bag contains 44 U.S. quarters and six Canadian quarters. (The coins are identical in size.) If seven quarters are randomly
1. 0 answers
2. asked by brad
3. 1,354 views
How many ordered triples (a, b, c) of positive integers are there which satisfy the equation a + b + c = 10 ?
1. 2 answers
2. asked by John
3. 1,352 views
Hess's law _____.A.) makes it possible to calculate H for complicated chemical reactions B.) states that when you reverse a
1. 4 answers
2. asked by Jack
3. 1,329 views
three fair coins are tossed. What is the probability that at least one is tail. Enter probability as a fraction
1. 1 answer
2. asked by Andrzej
3. 1,299 views
what is the minimum riding speed needed to be able to hear the whistle? Remember, you can assume the following things: The
1. 1 answer
2. asked by taylor
3. 1,280 views
A lab technician determines the boiling point elevation of an aqueous solution of a nonvolatile, nonelectrolyte to be 1.62°C.
1. 1 answer
2. asked by Catherine
3. 1,254 views
Given the following quadratic equation, find;?a. the vertex b. the axis of symmetry c. the intercepts d. the domain e. the range
1. 3 answers
2. asked by zachary
3. 1,246 views
The solubility of a gas at 7.0 atm of pressure is 0.52 g/L . How many grams of the gas would be disolved per 1.0 L if the
1. 4 answers
2. asked by Joy
3. 1,201 views
A planned community has 300 homes, each with an automatic garage door opener. The door opener has eight switches that a
1. 1 answer
2. asked by brad
3. 1,190 views
At 9am, ship B was 65 miles due east of another ship, A. Ship B was then sailing due west at 10 miles per hour, and A was
1. 1 answer
2. asked by xxxx
3. 1,184 views
help please has to be turned in today don't really understand it. Chief Joseph SurrendersCompare Chief Joseph's speech with the
1. 3 answers
2. asked by Anonymous
3. 1,167 views
A multiple choice test has five choices. Therefore the probability of getting the correct answer by guessing is 0.2. The test
1. 2 answers
2. asked by Sue
3. 1,158 views
A battery with an emf of 7.9 V and internal resistance of 1.37 Ω is connected across a load resistorR.If the current in the
1. 2 answers
2. asked by Tiffany
3. 1,110 views
Jennifer has a recipe that calls for horseradish sauce that is 45% pure horseradish. At the grocery store she finds one
1. 1 answer
2. asked by Drew
3. 1,063 views
What is the significance of Dred Scott v. Sandford?My answer: Dred Scott v. Sandford is significant because it effectively ended
1. 1 answer
2. asked by Victoria
3. 1,054 views
Calculate the mass percent composition of carbon in each the following carbon compounds.C2H2 C3H6 C2H6 C2H6O
1. 1 answer
2. asked by Amee
3. 1,040 views
how munch sand in cubic feet for a sandbox 6 inches high 3 feet wide 3 feet long
1. 2 answers
2. asked by haley
3. 1,036 views
An ocean wave travels 17.1 m in 6.7 s. Thedistance between the two nearest wave crests is 5.1 m. What is the frequency of the
1. 1 answer
2. asked by hannah
3. 1,021 views
Lemington’s is trying to determine how many JeanHudson dresses to order for the spring season. Demand for the dresses is
1. 0 answers
2. asked by Kod
3. 1,020 views
A company that manufactures exercise machines wanted to know the percentage of large companies that provides on-site health club
1. 1 answer
2. asked by Steven
3. 1,016 views
A mountain has an elevation or 19,389 feetin 1918, the glacier at the peak covered 4 acres, by 2003 this glacier had melted to 1
1. 1 answer
2. asked by Ruth
3. 1,009 views
A normal distribution has µ = 80 and standard deviation = 10. What is the probability of randomly selecting a score greater
1. 1 answer
2. asked by shauna
3. 1,004 views
50 mL of copper(II) sulfate reacts with 50 mL of sodium hydroxide. Their concentrations are 0.3 M and 0.6 M respectively. The
1. 1 answer
2. asked by a Canadian
3. 999 views
1. Which of the following is NOT correct for a firm with seasonal sales and customers who all paypromptly at the end of 30 days?
1. 0 answers
2. asked by jone
3. 999 views
Given that \displaystyle \int_0^4 x^3\sqrt{9+x^2} dx = a, what is the value of \lfloor a \rfloor?
1. 1 answer
2. asked by John
3. 998 views
a 2500 car enters curve with a radius of 45 m .if the car is moving at speed of 35 m/s.what is the centripetal force that
1. 0 answers
2. asked by said
3. 998 views
Some spacecrafts use hydrazine (N2H4) as fuel and is burned according to the following reaction:N2H4(l)+N2O4(g)=>2 N2O(g)+2
1. 1 answer
2. asked by Brandi
3. 985 views
A pyramid has a height of 5 in. and a surface area of 90 in^2. Find the surface area of a similar pyramid with a height of 10
1. 2 answers
2. asked by Delilah
3. 975 views
A sample of oxygen that occupies 1.00x10^6 mL at 575 mm Hg is subjected to a pressure of 1.36 atm. What will the final volume of
1. 1 answer
2. asked by kate
3. 975 views
1. A recent study confirms that people who run regularly, live longer. How can one explain that?2. More retired people die each
1. 3 answers
2. asked by jenna
3. 944 views
A contractor is to fence off a rectangular field along a straight river, the side along the river requiring no fence.What is the
1. 2 answers
2. asked by Lauren
3. 930 views
help please!:(sinx + sin2x +sin3x) / (cosx + cos2x + cos3x) = tan2x
1. 2 answers
2. asked by Aiden
3. 930 views
Identify 3 courses or study field / career paths in order of preference and provide 2 reason for each
1. 22 answers
2. asked by Tebogo
3. 922 views
A car is stopped at a traffic light. The light changes to green and the driver starts to drive, accelerating at a rate of 4
1. 1 answer
2. asked by sam
3. 916 views
If the emf of a battery is 23 V and a current of66 A is measured when the battery is shorted, what is the internal resistance of
1. 1 answer
2. asked by Tiffany
3. 912 views
Calculate the morality of a solution that contains a 4.0 mol of a solute dissolved in 12.0L of solution
1. 2 answers
2. asked by Francesca
3. 910 views
Logic can help analyze ethical problems.
1. 1 answer
2. asked by missy
3. 907 views
How many 7 digit positive integers are there such that the product of the individual digits of each number is equal to 10000?
1. 2 answers
2. asked by Anonymous...urgent!
3. 906 views
In the equation Q = mc(deltaT), I learned that Q means heat transfer. Is it the heat transfer from the system to the
1. 2 answers
2. asked by a Canadian
3. 884 views
Saw this one already answered, but did not understand at all...Calculate the delta Hf of C6H12O6 (s) from the following data:
1. 3 answers
2. asked by Scooby
3. 871 views
A solution of CaCl2 is prepared by dissolving 1.004 g of the solid in approximately 30 mL of water. How many moles of CaCl2 does
1. 2 answers
2. asked by KRIS
3. 869 views
A normal distribution has µ = 80 and standard deviation = 10. What is the probability of randomly selecting a score greater
1. 1 answer
2. asked by shauna
3. 868 views
a beam of light consisting of two wavelengths 800nm and 600 nm is used to obtain the interference pattern in youngs double slit
1. 1 answer
2. asked by Abhishek
3. 865 views
The solubility of a gas at 7.0 atm of pressure is 0.52 g/L . How many grams of the gas would be disolved per 1.0 L if the
1. 3 answers
2. asked by Joy
3. 846 views
The central theme in both "Steal Away" and "Go Down, Moses" is:A: Sinners will pay for their sins. B: slaves will one day be
1. 1 answer
2. asked by Ciara
3. 844 views
7) Your employer, Woodbridge Electric Inc., wants to offer a warranty on the new compact fluorescent light bulb that they have
1. 1 answer
2. asked by maria
3. 840 views
Let f be defined as follows.y=f(x)=x^2-12x (a) Find the average rate of change of y with respect to x in the following
1. 1 answer
2. asked by Kimberly
3. 831 views
Find the number of integer quadruples (a,b,c,d) with 0\leq a,b,c,d \leq 100, such that a and b are the roots of the quadratic
1. 0 answers
2. asked by John
3. 831 views
Calculate the mass of copper and volume of oxygen (at 25 C And 760 mmHg) that would be produced by passing a current of 0.5 A
1. 2 answers
2. asked by Anonymous
3. 825 views
one out of every five people who buy ice cream buys vanilla ice cream. If a store sells 75 ice cream cones in one day, about how
1. 4 answers
2. asked by Kim
3. 823 views
1-how Do you think Mrs clemm reacted to Poe's message.2-what new insight into Edgar Allan Poe did you get from this letter
1. 0 answers
2. asked by Stephanie
3. 813 views
Use your knowledge of income statements to fill in the missing items:Sales Cost of goods sold $575,000 Gross profit $1,600,000
1. 0 answers
2. asked by Jason
3. 804 views

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