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2011
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Questions Asked on March 17, 2011

Find the slope of the tangent line to the ellipse x^2/36 + y^2/49 =1 at the point (x,y).slope =_______ Are there any points
1. 1 answer
2. asked by Abi
3. 8,884 views
work is being done when a force:a) is exerted while pulling a wagon up a hill b) acts vertically on a cart that can only move
1. 4 answers
2. asked by kriti
3. 6,974 views
human blood contains dissolved carbonc acid in equilibrium with carbon dioxide and water according to the reaction:
1. 1 answer
2. asked by Alexis
3. 3,400 views
A company logo is shaped like an equilateral triangle with 2-in.-long sides. What is the height of the logo? Round to the
1. 3 answers
2. asked by dx
3. 3,219 views
Choose the sentence which correctly says "The king doesn't like to smoke."A. Al rey no le quiere fumar. B. Al rey no le gusta
1. 1 answer
2. asked by anon
3. 3,165 views
The sum of the measures of the angles of a polygon with n sides is given. Find n.32) 180 33) 1080 34) 1980 35) 2880
1. 2 answers
2. asked by Matthew
3. 2,943 views
A jar contains 3 red balls and 2 green balls. You draw one ball at random. Determine the probability of selectinga. red b. green
1. 2 answers
2. asked by Evangelina
3. 2,498 views
If a car produces 88g of CO2, how many grams of O2 are used up in the reaction?
1. 1 answer
2. asked by Connie
3. 2,207 views
There are 10 girls and 6 boys in a class. The teacher randomly draws one student's name and then draws another. What is the
1. 4 answers
2. asked by ISAAC
3. 2,088 views
use the geometric mean to find the 7th term in a geometric sequence if the 6th term is 50 and the 8th term is 18
1. 4 answers
2. asked by Taylor White
3. 2,071 views
The Table shows some common scales used in a model railroading.For each scale,find the length of a model of an 82-foot long
1. 2 answers
2. asked by Alexis
3. 2,067 views
CALCULATE THE NUMBERS OF MOLES OF POTASSIUM CHLORATE THAT MUST DECOMPOSE TO PRODUCE POTASSIUM CHLORIDE AND 1.80 MOLES OF
1. 2 answers
2. asked by ALEX
3. 2,065 views
A rectangle has a diagonal 20 inches long that forms angles of 60 and 3o with the sides. Find the perimeter of the rectangle.
1. 1 answer
2. asked by Victoria
3. 2,008 views
A freight car is moving freely along a railroad track at 7.0 m/s and collides with a tanker car that is at rest. After the
1. 3 answers
2. asked by Kendra
3. 1,971 views
what is the difference between reconstructionism, pragmatism, progressivism, behaviorism, essentialism, and perennialism
1. 2 answers
2. asked by Anonymous
3. 1,795 views
in a making a graph showing the stretch of a spring:Plot a graph of force vs. stretch. Find the slope. The Slope of the graph is
1. 2 answers
2. asked by Kriti
3. 1,735 views
You know your mass is 69 kg , but when you stand on a bathroom scale in an elevator, it says your mass is 78 kg. What is the
1. 2 answers
2. asked by Mandy
3. 1,701 views
calculate the mass of silver chloride and dihydrogen monosulfide formed when 85.6g of silver sulfide reacts with excess
1. 1 answer
2. asked by araceli
3. 1,699 views
six students of different heights are going to march in a single file in a parade carrying flags. the order in which they march
1. 1 answer
2. asked by anonymous
3. 1,682 views
Miles said that he measured an angle of a regular polygon to be 130 degress. Explain why this result is impossible.
1. 1 answer
2. asked by Allison
3. 1,674 views
The function f(x)=(x^4)-(10x^3)+(18x^2)-8 is continuous on the closed interval (1,8). Find the absolute minimum and maximum
1. 1 answer
2. asked by Sam
3. 1,657 views
Why does the voltage increase when ammonia is added to a Cu2+ cell??
1. 1 answer
2. asked by Anonymous
3. 1,553 views
Find the amount of heat required to convert 10g of ice to steam at 110 degree Celsius.
1. 3 answers
2. asked by Dangadang
3. 1,513 views
What is the total amount of heart absorbed by 100.0 grams of water when the temperature of the water is increased from 30.0
1. 1 answer
2. asked by Kristina
3. 1,469 views
Is this right?Balanced: 3 Mg(s) + 2 Al(NO3)3(aq) = 2 Al(s) + 3 Mg(NO3)2(aq) Total Ionic Equation: 3 Mg(s) + 2 Al +3 (aq) + 6NO3
1. 1 answer
2. asked by Kwan
3. 1,436 views
In order to dilute 1L of 6M solution of NaOH to .5M solution, how much water must be added?
1. 2 answers
2. asked by chris
3. 1,411 views
HOW MANY CALORIES ARE REQUIRED TO HEAT OF EACH OF THE FOLLOWING FROM 15 DEGREE CELSIUS TO 65 DEGREE CELSIUS?A. 30 G OF Aluminum
1. 2 answers
2. asked by Dangadang
3. 1,386 views
A student sits at rest on a piano stool that can rotate without friction. The moment of inertia of the student-stool system is
1. 0 answers
2. asked by nikki
3. 1,373 views
hOW MUCH HEAT MUST BE REMOVED FROM 200 G OF WATER AT 30 DEGREE CELSIUS TO COOL IT TO 0 DEGREE CELSIUS?
1. 1 answer
2. asked by Dangadang
3. 1,326 views
I'm making a graph of force vs stretch for springs. I have 7 data trials with the k (F = kx) ranging from 28 to 31, average is
1. 3 answers
2. asked by Kriti
3. 1,297 views
Y= consumption X= Disposable incomeY X 5,000 10,000 A 8,000 20,000 B Refer to info above. The slope of the line between points A
1. 0 answers
2. asked by lavern
3. 1,259 views
helium gas, 3.0 x 10-4 g dissolved in water, express this concentration in parts per million.
1. 1 answer
2. asked by mell
3. 1,223 views
Use the chemical reaction below to answerthe questions that follow. CuO(s) + H2(g) → Cu(s) + H2O(g) a. What is the limiting
1. 5 answers
2. asked by Kayla
3. 1,221 views
What has the lowest surface tension and why? CH3CH2CH2CH3, (CH3)2CO, C6H6, H20
1. 2 answers
2. asked by Branden
3. 1,205 views
a roof rises 1.3 feet vertically and 13.1 feet horizontally. wgat is the grade of the roof?
1. 0 answers
2. asked by Marie
3. 1,203 views
A discus thrower (with arm length of 1.2 m) starts from rest and begins to rotate counterclockwise with an angular acceleration
1. 4 answers
2. asked by HELP!!!!
3. 1,191 views
Two objects are connected by a massless string as shown in the figure below. The pulley is massless and rotates without
1. 1 answer
2. asked by Tanya
3. 1,188 views
Arrange the fractions in ascending order. Or, if the fractions are equivalent, answer "Equivalent".7/22,2/5,9/24
1. 4 answers
2. asked by anonymous
3. 1,180 views
Gasahol is a fuel containing ethanol(C2H6O) that burns in oxygen (O2)to give carbon dioxide and water. a)How many moles of O2
1. 0 answers
2. asked by Connie
3. 1,174 views
How much thermal energy will flow per hour through a copper rod 5.00 cm in diameter and 1.50 m long, if one end of the rod is
1. 0 answers
2. asked by Dangadang
3. 1,158 views
Hello!I have an assignment where I have to rewrite the Bill of Rights in modern english. I've been able to do most of them, but
1. 1 answer
2. asked by Blair
3. 1,157 views
The brain can be studied by using: (Points: 5)electrical, biochemical, and magnetic means. radio frequencies, computers, and
1. 0 answers
2. asked by Chloe
3. 1,152 views
Need some explanations about the articles!Why do we say I love Italian food and not the Italian food Why do we say I leave home
1. 4 answers
2. asked by Mark
3. 1,148 views
a process stream containing acetone vapour in nitrogen enters a cooler compressor at 65 degree celcius and 1 atm, with relative
1. 0 answers
2. asked by alicia
3. 1,147 views
The property restoration company puroserv is considering switching to new dehumidifiers. Their market research considering the
1. 0 answers
2. asked by Kam
3. 1,144 views
the density of mercury is 13.3 g cm-3. what is its D in kg m-3 and standard form?
1. 2 answers
2. asked by Anonymous
3. 1,143 views
In the parallelogram above, line segment AE equals 12 mm. Line segment BE equals 16 mm. What is the length of line segment CD in
1. 0 answers
2. asked by kyle
3. 1,123 views
Use the five steps for problem solving to answer the following question. Please show all of your work.The volume of a
1. 1 answer
2. asked by Anonymous
3. 1,118 views
two-fifths of the voters already prefer candidate x. if he took money from a political action committee to buy television time,
1. 1 answer
2. asked by kendra
3. 1,116 views
Two men decide to use their cars to pull atruck stuck in mud. They attach ropes and one pulls with a force of 972 N at an angle
1. 3 answers
2. asked by Joshua
3. 1,103 views
Hannah biked the following number of miles in four days. How many miles would she need to bike on the fifth day to have a mean
1. 1 answer
2. asked by anna
3. 1,102 views
Babbling BrooksA series of streams run down the side of a mountain. The mountainside is very rocky so the streams split and
1. 0 answers
2. asked by Anonymous
3. 1,091 views
Name the following compounds (with absolute configurations) and are they enantiomers, diastereomers or structure isomers or no
1. 1 answer
2. asked by ben
3. 1,090 views
One chicken lays an egg every 2 days, another every 3 days and a third chicken lays an egg every 5 days. They all lay an egg
1. 2 answers
2. asked by AD
3. 1,070 views
A rectangular tub with dimensions 2m x 1m x 0.5m is filled with water using a pail of radius 0.1 m and height 0.35 m. How many
1. 2 answers
2. asked by Anonymous
3. 1,054 views
A 2.30 mole quantity of NOCl was initially in a 1.50 L reaction chamber at 400°C. After equilibrium was established, it was
1. 1 answer
2. asked by Anonymous
3. 1,048 views
Find the first and second derivative - simplify your answer.y=x/4x+1 I solved the first derivative and got 1/(4x+1)^2 Not sure
1. 5 answers
2. asked by Janet
3. 1,041 views
You are pulling your sister on a sled to the top of a 20.0 m high, frictionless hill with a 10.0° incline. Your sister and the
1. 1 answer
2. asked by sabeen
3. 971 views
I need help writing an acrostic poem about benjamin franklin
1. 1 answer
2. asked by john
3. 964 views
The temperature of a 4.00 L sample of gas is changed from 10.0 C to 20.0 C. What will the volume of this gas be at the new
1. 1 answer
2. asked by Samantha :)
3. 949 views
I have to write a basic paragraph describing myself for Spanish class. I have translated it several times on several different
1. 2 answers
2. asked by Lace
3. 946 views
How do you reverse the expirement of a Iron Nail which is placed into a cup of Copper Sulfate????
1. 0 answers
2. asked by :)
3. 907 views
i need to check these answers please ome one help me i need them to graduate...please please...Questions 1–20: Select the one
1. 5 answers
2. asked by annastacia kirk
3. 839 views
an airplane flying due east at 400 km/h pasess over an airport 12 minutes before a second plane flying south 30 degrees west at
1. 0 answers
2. asked by tara
3. 819 views
Suppose partial melting of the polar ice caps increases the moment of inertia of the Earth from 0.331MR^2 to 0.332MR^2. What is
1. 1 answer
2. asked by nikki
3. 815 views
hello,I am trying to find an answer for cooling H2O2 in synthesis of hexaamminecobalt(III) chloride but did not cooled H2O2 for
1. 1 answer
2. asked by hayrus
3. 812 views
At the Yalta Conference of 1945, the military situation favoredA. Stalin. B. Churchill. C. Eisenhower. D. Roosevelt.
1. 6 answers
2. asked by Anonymous
3. 800 views
Solve the following for the variable x.(7/x-2)+(1/x+2)=(3x/x^2-4) Thank you.
1. 0 answers
2. asked by Esther
3. 799 views
A random sample of n=36 scores is selected from a population. Will this have a definite normal distribution?
1. 1 answer
2. asked by Leticia
3. 795 views
Please explain why the British Colonists in North America sought separation from the British Empire in1776. Explain not only the
1. 0 answers
2. asked by Karen
3. 791 views
Can you please check these ideas on stress and young people, please? Thank you vey much for helping me finding an excellent site
1. 1 answer
2. asked by Mike
3. 768 views
Please refer to the following advantages and disadvantages:Advantages Little capital outlay Some control of operations Risks are
1. 0 answers
2. asked by Trina
3. 767 views
you must prepare 300 mL of .750M NaBr solution using 2M NaBr stock solustion. how many mL of stock solution should you use?
1. 1 answer
2. asked by abby
3. 758 views
the characters nat hocken from the story "the birds by,Daphne du Maurier" and general zaroff from "the most dangerous game by,
1. 1 answer
2. asked by savanna
3. 757 views
The ancient Chinese phrase, "Mandate of Heaven" is most similar to the concept of
1. 2 answers
2. asked by cheyenne
3. 753 views
please help me if my letter is correct in the grammar.kindly help me to make a good letter. march,21,2011 subject:sales
1. 2 answers
2. asked by jessie
3. 750 views
Factor completely and then place the factors in the proper location on the grid.4y2 + 25y + 6
1. 2 answers
2. asked by jacob
3. 746 views
Two balls, each with a mass of 0.819 kg,exert a gravitational force of 8.76 × 10^−11 N on each other. How far apart are the
1. 1 answer
2. asked by Kevin
3. 742 views
The center of a 1.50 diameter spherical pocket of oil is 1.20 beneath the Earth's surface. Estimate by what percentage directly
1. 0 answers
2. asked by Mandy
3. 741 views
A triangle has two congruent angles and an exterior angle with measure 100. Find two possible sets of measures for the angles of
1. 0 answers
2. asked by Timm
3. 733 views
The stopping distance d of a car after the brakes are applied varies directly as the square of the speed r. If a car travelling
1. 0 answers
2. asked by Esther
3. 731 views
As the number of carbon atoms in the compound increases, what pattern do you see in the boiling points? What general pattern do
1. 2 answers
2. asked by deedee
3. 723 views
Describe the dynamic equilibrium that exists in the two water tanks?
1. 1 answer
2. asked by Anonymous
3. 720 views
The engine weighs 4500 newtons and it is lifted 1.5 meters up by the block and tackle system. The mechanic must apply a force of
1. 2 answers
2. asked by jay
3. 719 views
I Would like someone to proofread what I have wrote as a double check I did not miss anything and that it makes sence. Thanks in
1. 4 answers
2. asked by Jim
3. 715 views
You own the Wizard of Oz on DVD. The opportunity cost of watching this DVD for the second time:A) is zero. B) is one half the
1. 0 answers
2. asked by lavern
3. 701 views
Albert has a home screen printing business. He has designed a bracelet and T‑shirt for St. Patrick’s Day which both use a
1. 1 answer
2. asked by Anonymous
3. 700 views
Please help with this,What was it important to have a detailed growth curve for your test plant (which was a Lemna spp.) sample
1. 1 answer
2. asked by Sally
3. 695 views
This four-leaf clover consists of four coplanar circles. Each circle is externally tangent to two others, as shown. The two
1. 1 answer
2. asked by Anonymous
3. 691 views
In planning a family of 4 children assume boys and girls are equally likely on each birth. Find (i) the probability distribution
1. 0 answers
2. asked by Donald Crentsil
3. 691 views
La class de matematicas/la class de arte/tan interesante como
1. 1 answer
2. asked by Henrry
3. 672 views
how a t Test for a dependent variable can be of great value in applying a new approach to the treatment of aggressive behavior
1. 1 answer
2. asked by Anonymous
3. 670 views
mean18,25,32 answer:25
1. 3 answers
2. asked by pavleen
3. 668 views
We're learning about single displacement reactions. What happens when Mg + Zn two nitrate reacts? And when Al + Zn two nitrate
1. 1 answer
2. asked by Mar
3. 657 views
A circle is centered at (2, -5) and has radius 3. Write its equation in standard form.
1. 2 answers
2. asked by Asher
3. 655 views
What would be the orbital speed and period of a satellite in orbit 0.88 multiplied by 108 m above the Earth?Orbital Speed___m/s
1. 1 answer
2. asked by Lisa
3. 640 views
A 2.20 kg block is in equilibrium on an incline of 37.3 degrees. The acceleration of gravity is 9.81 m/s2 . What is Fn of the
1. 3 answers
2. asked by Hugh
3. 635 views
Can you please help me complete the fill-in-the-blank activity, please?I'm not sure if the rules in America are the same as in
1. 1 answer
2. asked by Mike
3. 634 views
Find the general solution of the following system of equation?Please help, i don't know what to do... dx/dt = 3x +2y +2z dy/dt =
1. 1 answer
2. asked by katie
3. 633 views
The end of a thin glass-wall tube with an inside diameter of 1-mm is inserted into a reservoir of pure water with a temperature
1. 1 answer
2. asked by LaToya
3. 633 views

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