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2011
March

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. 8,847 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. 6,946 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. 3,379 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. 3,202 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. 3,147 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. 2,911 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. 2,475 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. 2,187 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. 2,065 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. 2,049 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. 2,042 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. 2,038 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. 1,987 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. 1,943 views
what is the difference between reconstructionism, pragmatism, progressivism, behaviorism, essentialism, and perennialism
1. 2 answers
2. asked by Anonymous
3. 1,774 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. 1,698 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. 1,677 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. 1,672 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. 1,660 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. 1,657 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. 1,626 views
Why does the voltage increase when ammonia is added to a Cu2+ cell??
1. 1 answer
2. asked by Anonymous
3. 1,535 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. 1,494 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. 1,448 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. 1,417 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. 1,393 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. 1,366 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. 1,346 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. 1,310 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. 1,261 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. 1,239 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. 1,212 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. 1,203 views
What has the lowest surface tension and why? CH3CH2CH2CH3, (CH3)2CO, C6H6, H20
1. 2 answers
2. asked by Branden
3. 1,182 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. 1,178 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. 1,164 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. 1,164 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. 1,151 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. 1,143 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. 1,137 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. 1,136 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. 1,130 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. 1,129 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. 1,129 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. 1,124 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. 1,121 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. 1,108 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. 1,108 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. 1,100 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. 1,083 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. 1,077 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. 1,068 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. 1,058 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. 1,046 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. 1,032 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. 1,023 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. 976 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. 947 views
I need help writing an acrostic poem about benjamin franklin
1. 1 answer
2. asked by john
3. 942 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. 925 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. 918 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. 888 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. 818 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. 798 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. 797 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. 788 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. 781 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. 779 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. 775 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. 770 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. 747 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. 746 views
The ancient Chinese phrase, "Mandate of Heaven" is most similar to the concept of
1. 2 answers
2. asked by cheyenne
3. 742 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. 740 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. 731 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. 724 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. 722 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. 722 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. 716 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. 715 views
Describe the dynamic equilibrium that exists in the two water tanks?
1. 1 answer
2. asked by Anonymous
3. 707 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. 705 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. 695 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. 694 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. 691 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. 680 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. 677 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. 673 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. 668 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. 664 views
La class de matematicas/la class de arte/tan interesante como
1. 1 answer
2. asked by Henrry
3. 659 views
mean18,25,32 answer:25
1. 3 answers
2. asked by pavleen
3. 656 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. 650 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. 641 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. 625 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. 623 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. 617 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. 610 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. 607 views
My question was pretaining to the culture of the 1920's. I need to the question answered in what ways did the automobile change
1. 2 answers
2. asked by David
3. 607 views

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