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Questions Asked on September 28, 2014

Aluminum sulfate reacts with calcium hydroxide (from lime) to form aluminum hydroxide and calcium sulfate. Write the balanced
1. 4 answers
2. asked by Ana
3. 13,884 views
Two hundred rupees (are/ is) are a lot of money.Ali along with his brother ( go / goes) goes to the shop. My aunt or my uncle (
1. 7 answers
2. asked by ENGLISH - RIYA ??????
3. 9,658 views
A grasshopper jumps a horizontal distance of 1m from rest, with an initial velocity at a 45 degree angle with respect to the
1. 3 answers
2. asked by zara
3. 9,509 views
1. A percentile rank represents the percentage of people who scored at or below the test score.True False 2. People who have
1. 20 answers
2. asked by Anonymous
3. 8,914 views
A 40 kg slab rests on a friction less floor.a 10 kg block rests on top of the slab.the coefficient kinetic friction between the
1. 6 answers
2. asked by mahesh
3. 6,971 views
arnold has 24m of fencing to surround a garden, bounded on one side by the wall of his house. what are the dimensions of the
1. 4 answers
2. asked by sunny
3. 6,565 views
If you dilute 14.0mL of the stock solution to a final volume of 0.350L , what will be the concentration of the diluted solution?
1. 1 answer
2. asked by Danielle
3. 6,360 views
An automobile traveling at the rate of 30 ft/sec is approaching an intersection. When the automobile is 120 ft. from the
1. 3 answers
2. asked by Mike
3. 4,821 views
When a cake is removed from an oven its temperature is measured at 300 degree F. Three minutes later its temperature is 200
1. 1 answer
2. asked by Armand
3. 4,745 views
The planet Neptune has a radius of 15000 miles and rotates one revolution every 18 hours. What is the linear speed of a point on
1. 1 answer
2. asked by Ashely
3. 4,548 views
Balance following oxidation reduction reactions using oxidation states method?a) Cl2(g) + Al(s) --> Al3+(aq) + Cl- b.) O2(g) +
1. 1 answer
2. asked by mathew
3. 4,284 views
At the movie theatre, child admission is$5.30 and adult admission is $8.70 . On Friday, 155 tickets were sold for a total sales
1. 1 answer
2. asked by colt
3. 4,168 views
The hemoglobin content of blood is about 15.4g/100mL blood. The molar mass of hemoglobin is about 64500 g/mol, and there are
1. 3 answers
2. asked by HN
3. 4,092 views
A building is 2ft from a 9ft fence that surrounds the property. A worker wants to wash a window in the building 13ft from the
1. 2 answers
2. asked by Amber
3. 3,927 views
Jodi is cutting out pieces of paper that measure 8 1/2 inches by 11 inches from a larger sheet of paper that has an area of
1. 12 answers
2. asked by Kymmy
3. 3,856 views
Hydrogen gas produced by this reaction is typically collected via water displacement, during which time the hydrogen gas becomes
1. 3 answers
2. asked by A
3. 3,794 views
Which reaction of ammonia does not involve the non-bonding pair of electrons on the nitrogen atom?A NH3(g) + CH3I(g) → CH3NH
1. 2 answers
2. asked by Ariana
3. 3,751 views
1) Round 578.683 m, 47.3333 kg, and 789.5 cm to four significant figures.2) Find the weight of a 12.25 kg dog. Round your answer
1. 5 answers
2. asked by Andra
3. 3,721 views
What is the mass of 3.01 x 10^22 iron (II) ions, Fe^2+?
1. 2 answers
2. asked by Syndra
3. 3,649 views
30 ml of sample of unknown strong base is neutralized after the addition of 12 ml of a 0.150 M HNO3 solution if the unknown base
1. 4 answers
2. asked by mathew
3. 3,552 views
Question: Kenny reads 5/8 page in 2/3 minutes.This is unit rates. Please help!
1. 8 answers
2. asked by Nina
3. 3,365 views
The vendor of a coffee cart mixes coffee beans that cost $8 per pound with coffee beans that cost $4 per pound. How many pounds
1. 2 answers
2. asked by Marc
3. 3,248 views
Kate wants to buy a new bicycle from a sporting goods store. The bicycle she wants normally sells for $360. The store has a sale
1. 20 answers
2. asked by Ms. Stephie
3. 2,723 views
1.If an arrow is shot upward on the moon with a velocity of 50 m/s its height (in meters) after t seconds is given by H = 50t -
1. 1 answer
2. asked by Rachel
3. 2,648 views
If the acceleration due to gravity on the Moon is 1/6 that what is on the Earth, what would a 100 kg man weight on the Moon? If
1. 3 answers
2. asked by Iworlock
3. 2,606 views
A pendulum of length 10 cm has swung so that theta is the radian measure of the angle formed by the pendulum and a vertical line
1. 2 answers
2. asked by rai zan
3. 2,591 views
Point C is in the interior of angle ABD. The measure of angle ABD is 40 degrees. The measure of angle DBC is 3x-5. If angle ABC
1. 3 answers
2. asked by David
3. 2,569 views
A small island is 2 km off shore in a large lake .A woman on the island can row her boat 10 km/hr and can run at a speed of 20
1. 2 answers
2. asked by Mike
3. 2,481 views
The molar crosslink density of a rubber is measured to be 468mol/m3 for a temperature T=300K.What is the Young's modulus of the
1. 2 answers
2. asked by qwerty
3. 2,460 views
A rectangular garden has an area if12a^2-5a-2m^2 A.) Write the area as the product of two binomials with integer coefficients
1. 1 answer
2. asked by Maya
3. 2,441 views
A swimming pool is to be constructed in the space of partially overlapping identical circles. Each of the circles has a radius
1. 2 answers
2. asked by Carl
3. 2,423 views
how many moles of oxygen are there in 50.0 grams of KClO3?Given: 50.0 g KClO3 Find: ? mol O K= 39.10 g/mol Cl= 35.45 g/mol O=
1. 1 answer
2. asked by J.R.
3. 2,191 views
3x9=9x=( )= ( )
1. 1 answer
2. asked by Bryce
3. 2,149 views
Solve the system of equations using either the substitution method or the multiplication/addition methodanswer: 3x+2y=14 2x-4y=4
1. 4 answers
2. asked by Anonymous
3. 2,088 views
A cylinder has a circumference of 16pi inches and its height is half the radius of the cylinder? What is the total surface area
1. 2 answers
2. asked by taylor
3. 2,064 views
Two woodworkers, Tom and Carlos, bring in $100 for making a table and $80 for making a chair. On average, Tom must work 3 hours
1. 1 answer
2. asked by Amy
3. 2,004 views
A fertilizer covers 5/8 square foot in 1/4 hour.
1. 7 answers
2. asked by Crystal
3. 1,987 views
An herbalist has 40 oz of herbs costing $4 per ounce. How many ounces of herbs costing $1 per ounce should be mixed with these
1. 1 answer
2. asked by Terry
3. 1,919 views
To tighten a bolt, you push with a force of 84N at the end of a wrench handle that is 0.24m from the axis of the bolt.If you
1. 1 answer
2. asked by leonardo
3. 1,825 views
Question: a garden snail moves 1/6 foot in 1/3 hour.This is unit rates. Please help, I don't get this lesson!
1. 10 answers
2. asked by Nina
3. 1,765 views
To find the product 3/7 multiplied by 4/9, Cameron simplified 3/7 to 1/7 and then multiplied the fractions 1/7 and 4/9 to find
1. 2 answers
2. asked by Ms. Stephie
3. 1,725 views
Which of the following aqueous solution of equal molality has the lowest freezing point?a. H2SO3 b. NaCl c. NaOH d. Ca(NO3)2 How
1. 1 answer
2. asked by Levi
3. 1,711 views
Julio walks 3 1/2 miles in 1 1/4 hours
1. 9 answers
2. asked by Crystal
3. 1,632 views
A person whose mass is m = 60.5 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle α =
1. 1 answer
2. asked by fresno T
3. 1,577 views
A stone is thrown vertically upward from the top of the tower with a velocity of 15m / s. Two seconds later a second stone is
1. 1 answer
2. asked by Anonymous
3. 1,577 views
Five concentric circles with radii 1, 2, 3, 4, and 5 are drawn as shown dividing the circle of radius 5 into five regions: a
1. 1 answer
2. asked by J
3. 1,556 views
Given an aluminum shell perfectly bonded to a steel core, what is the thermal stress in the aluminum shell when the system is
1. 2 answers
2. asked by qwerty
3. 1,549 views
ZnOH4^2- --> ZnO2^2- + 2H2OWhat is the oxidation agent, reducing agent, substance oxidized, and substance reduced? Well, Zn
1. 1 answer
2. asked by Jennzie
3. 1,520 views
Suppose the incident sunlight at ground level has a power density of0.87 kW m−2 at noon. What is the maximum rate of loss of
1. 1 answer
2. asked by Xavier
3. 1,456 views
What mass of ammonium nitrate is require to produce 145L of N2O at 2850 torr and 42 degree celcius
1. 1 answer
2. asked by Paula
3. 1,449 views
Give an example of an open equationa + b = c + d How can you use an equation to make a prediction from a pattern? (i don't know)
1. 1 answer
2. asked by SkatingDJ
3. 1,437 views
Two rocks are thrown simultaneously from the top of a very tall tower with identical speeds of v = 7.70 m/s, but in two
1. 1 answer
2. asked by Molly
3. 1,435 views
Which is greater, the increase in miles driven between 1998 and 1999 or between 1999 and 2000? What is that increase?Data given:
1. 5 answers
2. asked by Amari
3. 1,406 views
A .7178 g sample of a hydrocarbon occupies a volume of 390.7 mL at 65C and 99.2kpa. When the sample is burned in excess oxygen,
1. 3 answers
2. asked by Lisa
3. 1,324 views
In triangle ABC, AB=5 cm, BC=12 cm and angle ABC=90 degree, calculate the length of AC.
1. 2 answers
2. asked by Bhuvanesh. D
3. 1,295 views
The flask shown here contains 10.0 ml of HCl and a few drops of phenolphthalein indicator. The buret contains 30ml of 0.130M
1. 1 answer
2. asked by Andrew
3. 1,290 views
The sum of the 2nd and 5th terms of a geometric sequence is 3.5. The sum of the 3rd and 6th is -7. Determine the ratio r of the
1. 3 answers
2. asked by h
3. 1,234 views
Use half-cells to balance the following redox reaction, and label the oxidation and reduction half-reactions.Also, note that
1. 2 answers
2. asked by Feather
3. 1,187 views
GE's light bulb division ordered 100.kg of tungsten for the filaments. If the tungsten comes in a cube what is the volume of the
1. 1 answer
2. asked by Ray
3. 1,142 views
A sample of unknown metal has a mass of 36.7 g. This metal was placed in boiling water at 96.0oC until the metal had reached the
1. 0 answers
2. asked by korko
3. 1,115 views
Adding and subtracting polynomials.(6-t-t^4) + (9t+t^4) How do you solve this problem?
1. 2 answers
2. asked by Alex
3. 1,111 views
a smoking researcher is interested in estimating the average age when cigarette smokers first began to smoke. Taking a random
1. 2 answers
2. asked by Kenya
3. 1,097 views
A small, single engine airplane is about to take off. The airplane becomes airborne, when its speed reaches 117.0 km/h. The
1. 2 answers
2. asked by Molly
3. 1,074 views
A cube of mass m1 = 7.7 kg is sitting on top of another cube of the same size and mass m2 = 0.6 kg while they are both in
1. 1 answer
2. asked by fresno T
3. 1,060 views
According to 2010 UCR data, Oakland, CA has a murder rate of 22.0 (per 100,000) in 6th place, Washington, DC has a murder rate
1. 1 answer
2. asked by tavia
3. 1,047 views
A small toy airplane is flying in the xy-plane parallel to the ground. In the time interval t=0 to t=10.0 s, its velocity as a
1. 1 answer
2. asked by Anonymous
3. 1,040 views
A steel bar of length L and cross-sectional area A is fitted between rigid supports.Write an expression for the stress in the
1. 1 answer
2. asked by qwerty
3. 1,033 views
2. The half-life of a radioactive element is important when considering its application in medicine. For example, iodine-131 is
1. 1 answer
2. asked by Mickey
3. 1,010 views
The density of an alloy is 5000 kg/m3. What is the density in g/cm3?
1. 3 answers
2. asked by Anonymous
3. 1,002 views
Can i have a solution on how i can derive on this answer 4cos^3x - 3 cos x.....please..
1. 3 answers
2. asked by rai zan
3. 997 views
kx^2 + (k+2)x -3 =0 has roots which are real and positive. Find the possible values that k may have.I understand that I have to
1. 2 answers
2. asked by Anita
3. 973 views
A meter stick weighs 200 grams and is supported at the center. Three masses of 100, 200, and 150 grams are placed respectively,
1. 1 answer
2. asked by Lily
3. 970 views
A garden snail moves 1/6 foot in 1/3 hour
1. 8 answers
2. asked by Crystal
3. 960 views
A door frame that appears rectangular has height 80 in., width 32 in., and one diagonal that measures 86in. Is the door frame
1. 2 answers
2. asked by Mack
3. 953 views
Which of the follow comparisons would be an inaccurate analogy between prokaryotic cells and eukaryotic cells?A - A eukaryotic
1. 1 answer
2. asked by Sue
3. 947 views
Create a C program that contains a function that computes the final price for a sales transaction and return that value to a
1. 1 answer
2. asked by ME-ANN
3. 931 views
A tennis ball connected to a string is spun around in a vertical, circular path at a uniform speed. The ball has a mass m =
1. 0 answers
2. asked by Jessica
3. 927 views
Cal had 6 comic books. After he gave 1 comic book to each of his cousins, he had none left. How many cousins does Cal have?
1. 3 answers
2. asked by Bryce
3. 925 views
Please check & correct my mistakes:In English: One day sarah went shopping. Then she walked to her house Unfortunately it
1. 4 answers
2. asked by Nikki
3. 902 views
Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a
1. 0 answers
2. asked by Wes
3. 895 views
If He(g) has an average kinetic energy of 7590 J/mol under certain conditions, what is the root mean square speed of F2(g)
1. 0 answers
2. asked by B
3. 893 views
A sample of gas occupies 17mL at -112 degrees Celsius. Assuming the pressure is held constant, what volume does the sample
1. 1 answer
2. asked by Sophie
3. 882 views
Car a starts from rest and speeds up with constant accelleration until it reaches its max speed. Car b starts from rest, at the
1. 1 answer
2. asked by Jackk
3. 881 views
Question: a fertilizer covers 5/8 square foot in 1/4 hour.This is the last unit rates question. Please explain how you got the
1. 6 answers
2. asked by Nina
3. 881 views
It takes the elevator in a skyscraper 4.5s to reach its cruising speed of 11m/s . A 70kg passenger gets aboard on the ground
1. 0 answers
2. asked by willia
3. 867 views
Imagine a container is removed from a hot oven and plunged into cold water. Use your answer from Question 3 to justify which
1. 1 answer
2. asked by qwerty
3. 866 views
Freya doesn't like peppers, so she grew 0 peppers in her garden. She divided the peppers equally among her 4 cousins. How many
1. 3 answers
2. asked by Bryce
3. 863 views
Mr Ali has given a test to his class. He would like to have the average score for the class as well as the highest and lowest
1. 0 answers
2. asked by hanit
3. 862 views
A Student drops a rock from a bridge to the water 14.7m below. with what speed does the rock strike the water? the acceleration
1. 0 answers
2. asked by victoria
3. 858 views
Two circles which are not congruent touch externally. the sum of their area is 130¦Ðcm.square and distance between their
1. 1 answer
2. asked by Rohit
3. 846 views
A small toy airplane is flying in the xy-plane parallel to the ground. In the time interval t=0 to t=10.0 s, its velocity as a
1. 0 answers
2. asked by Anonymous
3. 837 views
Bethany Link delivers parts for several local auto parts stores. She charges clients $0.75 per mile driven. She has determined
1. 0 answers
2. asked by Vanessa
3. 831 views
IF IN AN ISOSCELES TRAPEZIUM,DIAGONAL AC=(8X-7)CM AND DIAGONAL BD=(5X+2)CM,THEN FIND THE LENGTH OF AC ?
1. 2 answers
2. asked by jawad
3. 829 views
4. To become a successful observer of young children, which of the following techniques is most effective?A. Smile or nod to a
1. 1 answer
2. asked by daysi
3. 816 views
on an expressway, the recommended safe distance between cars in feet is given by 0.019v^2+v+14, where v is the speed of the car
1. 1 answer
2. asked by Marc
3. 813 views
A scientist observing a group of spider monkeys noticed that the adult females often spend time picking leaves off of tree
1. 3 answers
2. asked by Skye
3. 813 views
Where did farming first develop?F.Southwest Asia G.southeastern Europe H.India I.China I think it is g but not sure. Is that
1. 6 answers
2. asked by Eden S.
3. 812 views
Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a
1. 0 answers
2. asked by Wes
3. 809 views
a hat contains a number od cubes: 15 red, 10 white, 5 blue and 20 black,20 years gone and i am back again. one cube at random.
1. 2 answers
2. asked by jojo
3. 808 views
Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a
1. 0 answers
2. asked by Wes
3. 796 views

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