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Questions Asked on May 18, 2010

in a shipment of 20 computers, 3 are defectivethree computers are randomly selected and tested. what is the probability that all
1. 3 answers
2. asked by Sara!
3. 7,660 views
How many individual hydroxide ions (OH)- are found in 13.4mL of 0.586M Ba(OH)2?I'm not quite sure how to do this. Thank you!
1. 3 answers
2. asked by Jakob
3. 4,964 views
A circle has a radius of 6 inches. The circumscribed equilateral triangle will have an area of:?
1. 3 answers
2. asked by Kaley
3. 4,269 views
A satellite orbits the earth at a distance of 10,000 miles from the earth's center. At this distance the force of gravity on the
1. 1 answer
2. asked by Anonymous
3. 3,586 views
Two moles of a nonelectrolyte solute are dissolved in 1 kg of an unknown solvent. The solution freezes at 7.8 degrees Celsius
1. 4 answers
2. asked by Alyssa
3. 3,578 views
I am suppose to calculate the theoretical amount (volume) of 3M sodium hydroxide needed to convert 1.5 g of benzoic acid to its
1. 2 answers
2. asked by Jake
3. 3,529 views
4) Which of the following is the most effective buffer system for a pH value of 4.45?a. H2CO3/HCO3- (K1 = 4.4 * 10-7) b.
1. 1 answer
2. asked by George2
3. 3,526 views
Which substance is an electrolyte?C2H5OH C6H12O6 C12H22O11 CH3COOH
1. 4 answers
2. asked by b
3. 3,335 views
in triangle ABC, angle a=120, b=10, and c=18. What is the area of triangle ABC tot he nearest square inch?
1. 2 answers
2. asked by Sally
3. 2,873 views
Why did Grok jump up and down the first time he saw a variable in algerbra class?
1. 11 answers
2. asked by Austin
3. 2,692 views
What is the ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if XY is similar to AC?
1. 7 answers
2. asked by Kaley
3. 2,608 views
a 90.0 kg person stands 1.00 m from a 60.0 kg person sitting on a bench nearby. what is the magnitude of the gravitalional force
1. 3 answers
2. asked by tiera
3. 2,380 views
Decide whether or not the set is closed under addition.{0, 1} A) Closed B) Not closed
1. 1 answer
2. asked by Annonom
3. 2,175 views
This problem is from my chemistry book and I am having a little trouble with the intermediary steps:Barium metal crystallizes in
1. 1 answer
2. asked by Tokey
3. 2,099 views
Convert the base-ten number to a numeral in the indicated base.503 to base five A) 3040five B) 4030five C) 3004five D) 4003five
1. 2 answers
2. asked by Annonom
3. 2,028 views
a sample of gas is collected over water at a temperature of 35 degrees celcius when the barometric pressure reading is 742.0
1. 2 answers
2. asked by Jimmy
3. 1,935 views
the Ksp of Ag2CO3 is 8.1x10-12. what is the molar solubility of silver carbonate?can you please walk me through this?
1. 1 answer
2. asked by Anonymous
3. 1,839 views
correct or incorrect?Sally wants a new bicycle,but her mother and father will not buy her one. My little sister is a big
1. 3 answers
2. asked by Kim
3. 1,805 views
The expression (3-7i)^2 is equivilant to? i know what the answer is im just not sure how to get it please help
1. 2 answers
2. asked by Sally
3. 1,719 views
A pentagon with the a perimeter of 45 feet , what is the area
1. 1 answer
2. asked by dee
3. 1,649 views
Predict the effect of each of the following on the indicated equilibrium system in terms of which reaction will be favored
1. 1 answer
2. asked by abby
3. 1,586 views
the concentration of Ag+ in a saturated solution of Ag2Cro4 is 1.6x10^-4 M. what is the Ksp value for Ag2Cro4?the solubility of
1. 1 answer
2. asked by Anonymous
3. 1,492 views
Calculate the molar masses of copper (II) nitrate trihydrate and of the precipitate formed by this reaction.Are these steps
1. 1 answer
2. asked by Sarah
3. 1,353 views
Ammonium carbonate (solid) decomposes when heated to produce three gaseous products - ammonia, water, and carbon dioxide.1.
1. 1 answer
2. asked by jake
3. 1,319 views
a gas has a volume of 1.75 L at -23 degrees C and 150.kPa What temp would the gas occupy 1.30 L at 210.kPa?
1. 3 answers
2. asked by Anonymous
3. 1,304 views
What three things are required to produce voltage? These three things are the fundamentals of how an electrical generator works.
1. 2 answers
2. asked by MW
3. 1,304 views
if a circle has a radius of 6 inches,what will the area of the circumscribed equilateral triangle be?
1. 1 answer
2. asked by kimber
3. 1,278 views
select at least 5 more Pythagorean Triples. Show why your 5 sets of Pythagorean Triples work in the Pythagorean Theorem formula.
1. 2 answers
2. asked by connie
3. 1,244 views
A 125-newton box rests on a plank 3.00 meters long, one end of which is 1.00 meters higher than the other end. Find the
1. 1 answer
2. asked by john
3. 1,241 views
Use the distributive property of multiplication over addition to rewrite the sum as a product of two factors, where one of the
1. 3 answers
2. asked by Annonom
3. 1,220 views
what would be the concentration of chromate ion in a saturated solution of CaCrO4 (Ksp= 7.1x10^-4)
1. 1 answer
2. asked by Anonymous
3. 1,213 views
Can you check if all the words are possible (especially those regarding clothes)? Thank you very much in advance.1)You mustn't
1. 2 answers
2. asked by Franco
3. 1,190 views
One side of a triangle is 15 inches, and the area of the triangle is 90 square inches. What is the area of a similar triangle in
1. 3 answers
2. asked by Kaley
3. 1,186 views
So far as we know, the Vikings stopped visiting North America in the eleventh century. Imagine you belong to a small viking
1. 3 answers
2. asked by adam
3. 1,178 views
Why is time such an important factor in financial matters? How does the frequency of interest compounding, regardless of the
1. 1 answer
2. asked by Jen
3. 1,115 views
Hi, I have got question about hinduism.How is life seen from a Hindu's point of view? LIfe contains a number of different phases
1. 3 answers
2. asked by Viola
3. 1,110 views
How many days are there until June 7th? (from today)Thanks -MC
1. 3 answers
2. asked by mysterychicken
3. 1,094 views
Lee-Foods, Inc., sells 55-pound bags of tomatoes for $12 a bag.The fixed costs of this operation are $79,000, while the variable
1. 0 answers
2. asked by Lori
3. 1,083 views
How to solveLog (9x+5) - Log ((x^2)-1) = 1/2 16 16 (The 16 is from the logarithmic function : b) (y=log x) b Could anyone post
1. 1 answer
2. asked by Anonymous
3. 1,079 views
my is elderly people thingsto start a presentation goes like this ............. 'cities needs to provide services to all
1. 1 answer
2. asked by anu
3. 1,071 views
Find all values of the missing digit that make the statement true.5,33_ is divisible by 11. A) 8 B) 6 C) 1 D) 5
1. 4 answers
2. asked by Annonom
3. 1,066 views
what would be the concentration of chromate ion, CrO4^-2, in a saturated solution of CaCrO4. (Ksp= 7.1x10^-4)
1. 1 answer
2. asked by Aimee
3. 1,059 views
How has he Suez Canel been a catalyst for nationalism in Egypt?
1. 0 answers
2. asked by Rico
3. 1,051 views
A planoconvex lens is to have a focal length of 28.5 cm. If made from fused quartz, what must be the radius of curvature of the
1. 1 answer
2. asked by Cole
3. 1,041 views
What is the ratio of the area of triangle XBY to the area of the triangle ABC for the given measurements, if XY is similar to
1. 1 answer
2. asked by Kaley
3. 1,029 views
You roll a blue number cube and a green number cube. find each probability.P(blue 1 green 1 or 2)
1. 1 answer
2. asked by kathy
3. 1,026 views
How would you evaluate this n^(log(n lowered)3)?I don't know how to make the n lower than the log. What would the answer be?
1. 0 answers
2. asked by Anonymous
3. 1,016 views
the solubility of BaCO3(s) in water is 4.0X10^-5 M. Calculate the value of Ksp for BaCO3can someone please walk me through this?
1. 5 answers
2. asked by Ashely
3. 1,015 views
does the half life formula t=ln2/k give sec as unit or min as unit
1. 1 answer
2. asked by bme1
3. 1,004 views
A 50-mL Mohr buret is connected to a 1-ft length of capillary tubing. The buret is then filled with water and the volume of
1. 2 answers
2. asked by anonymous
3. 1,000 views
The number of accidents that occur at the intersection of Pine and Linden streets between 3 p.m. and 6 p.m. on Friday afternoons
1. 1 answer
2. asked by Felicia
3. 996 views
In which pair(s) would boiling occur? (Each pair corresponds to one row of the table)a. 760 {mm,Hg} 700 {mm, Hg} b. 480 {torr}
1. 3 answers
2. asked by Aaron
3. 994 views
In Triangle RST, m<S=90, RS=5, and ST=12. Find Cosine T
1. 2 answers
2. asked by james
3. 990 views
The circumference,y, of a circle varies directly with the diameter,x, of the circle. Write an equation if y=44cm when x=14cm.
1. 1 answer
2. asked by Austin
3. 988 views
y varies directly as x, and y=20 when x=5
1. 1 answer
2. asked by Austin
3. 967 views
Why is the future of solar energy bright?1. Every year, solar cells are becoming cheaper and better. Solar energy is also clean
1. 1 answer
2. asked by rfvv
3. 958 views
If the area of the trapezoid below is 75 square units, what is the value of x? If necessary, round your answer to two decimal
1. 1 answer
2. asked by Jasmine Hicks
3. 949 views
1.1 yards=1 meter/80 square yards sold @ $8.50 per yard=$680.00 What would this be in meters?
1. 2 answers
2. asked by Tracy
3. 947 views
x^2+y=9, x-y+3=0. Need to solve using substitution method.
1. 2 answers
2. asked by Keith
3. 943 views
A clear colorless liquid in an open beaker was heated to boiling. The liquid began to boil at 110°C, and as vapors escaped, the
1. 1 answer
2. asked by jasmine
3. 937 views
Why do we have to heat KMnO4 solution when we have to do the titration with the oxalate ions for such reaction?
1. 1 answer
2. asked by Tukana
3. 924 views
A square with sides of is inscribed in a circle. What is the area of one of the sectors formed by the radii to the vertices of
1. 3 answers
2. asked by buggy
3. 921 views
what are the distinguishing features of vertebrates, eutherians, primates and artiodactyls
1. 0 answers
2. asked by anonymous
3. 918 views
What is he ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if XY is similar to AC, and
1. 1 answer
2. asked by Kaley
3. 909 views
Is this true or false? Two similar hexagons have area 36 square inches and 64 square inches. The ratio of a pair of
1. 1 answer
2. asked by Kaley
3. 900 views
What do we assume about the volume of the actual molecules themselves in a sample of gas, compared to the bulk volume of the gas
1. 1 answer
2. asked by werwer
3. 883 views
Is 'money' an abstract noun or a material noun?
1. 1 answer
2. asked by rfvv
3. 878 views
The genetic code for an oak tree is(A) More similar to an ash tree than to a squirrel (B) more similar to a chipmunk than to a
1. 0 answers
2. asked by Jawn
3. 860 views
Thank you very much for your help. Can you please check these sentences, too?1) He recommended I should phone him that evening.
1. 1 answer
2. asked by Franco
3. 841 views
a force of 3.5 N is applied to a spring which obeys Hooke's law and produces and extension of 0.07m.calculate the spring
1. 1 answer
2. asked by ablin
3. 833 views
in triangle abc, angle c is a right angle, AC=8,Bc=15 and AB=17a.find Sine a b.Find cosine A c.Find Sine B d. Find COsine B E.
1. 0 answers
2. asked by james
3. 830 views
how to solve y= 3cos2x + 5pls help me
1. 1 answer
2. asked by emily
3. 823 views
If the rate of a reaction doubles for every 10 C rise in temperature, how much faster does the reaction proceed at 45 C than at
1. 1 answer
2. asked by hongkong
3. 812 views
what are the problems caused by drought?
1. 1 answer
2. asked by kirubel
3. 788 views
What is the chemical equation for:1. Cyclohexane and Potassium Manganate VII 2. Cyclohexen and Potassium Manganate VII
1. 0 answers
2. asked by Abigail
3. 776 views
Describe the geography of southern South American and howhis geography influeces economic activity?
1. 1 answer
2. asked by Rico
3. 775 views
What is the ratio of the area of triangle XBY to the area of triangle ABC for the given measuremnts, if XYis similar to AC, and
1. 1 answer
2. asked by Kaley
3. 755 views
The shortest side of a polygon of area 196 square inches is 4 inches long. What is the area of a similar polygon whose shortest
1. 1 answer
2. asked by kimber
3. 753 views
6^2-13x-2836-13x-28 -13x=-36-28 x=8/13 could you check this problem it had to be done and turn in tonight.
1. 6 answers
2. asked by Johnnie J
3. 752 views
Which of the following experimental conditions describe a reaction which is kinetically controlled?These conditions do not
1. 1 answer
2. asked by anonymous
3. 734 views
using a graph plot the following points: point 1 (1,0), point 2 (1,-1), point 3( 1,-2), point 4(2,-2)draw lines to connect from
1. 1 answer
2. asked by patricia
3. 729 views
How to solveLog (9x+5) - Log ((x^2)-1) = 1/2 16 16 (The 16 is from the logarithmic function : b) (y=log x) b Could anyone post
1. 1 answer
2. asked by Anonymous
3. 729 views
An equation is not a function if even one x value produces ____ corresponding y value(s).a. one b. less than one c. more than
1. 2 answers
2. asked by Toni
3. 723 views
A baby rabbit moves 5 inches forward with each hop and his mother moves 14 inches forward with each hop. After the mother and
1. 1 answer
2. asked by fko
3. 722 views
Find the prime factorization of the number, and write it in exponent form.8775 A) 3^3 × 5^2 × 13 B) 3^3 × 5^3 × 13 C) 3 ×
1. 1 answer
2. asked by Annonom
3. 721 views
Use two commas around “extra information” in a sentence to show that it is not important to the meaning of that sentence if
1. 4 answers
2. asked by lisa
3. 721 views
Six diseases/disorders terms, two from Chapter 7, two from Chapter 8, and two from Chapter 9.I a working on a APA document that
1. 1 answer
2. asked by terry
3. 715 views
Explain how major laws and regulations influence organization accountability. Describe how this might be different in a
1. 0 answers
2. asked by DIANE
3. 707 views
1) Write a balanced chemical equation for the reaction between Cu(NO3)2 * 3 H2O and NaOH. Underline the formula for the
1. 1 answer
2. asked by Sarah
3. 704 views
Suppose you bought an 8% coupon bond one year ago for $1090.00. The bond sells for $1063.00 today. Assuming a $1000 face value,
1. 1 answer
2. asked by Sunny
3. 699 views
: Fractions are an important part of your daily lives. Describe some practical applications for fractions in your daily life and
1. 1 answer
2. asked by ree
3. 690 views
The coordinating conjunctions that can be used to combine two complete sentences with a comma are “for, and, nor, because,
1. 3 answers
2. asked by lisa
3. 689 views
The game of dots is played by rolling a fair die andreceiving $1 for each dot showing on the top face of the die. What cost
1. 3 answers
2. asked by Lisa
3. 682 views
47. Following the breakup of the Soviet Union, what are some of the major problems faced by many of the new countries.(I don't
1. 0 answers
2. asked by y912f
3. 676 views
a sample of air has a volume of 140.0 mL at 67 degrees C. At what temperature will its volume be 50.0 mL at constant pressure?
1. 1 answer
2. asked by Jamal
3. 672 views
Post a 200- to 300-word response to the following: You have been hired into a new company to oversee the accounting department.
1. 0 answers
2. asked by Nikki
3. 667 views
i can not seem to answer these questions in the proper format please help me¿Qué estación sigue al invierno? i put Después
1. 2 answers
2. asked by help please
3. 653 views
At the end of April, ABC company had a balance of $37,910 in vacations benefits payable account. During May, employers earned an
1. 0 answers
2. asked by Katie
3. 651 views
i am writing a compare/contrast essay on love vs. infatuation and need a thesis statement. any thoughts?
1. 1 answer
2. asked by Anonymous
3. 651 views
What is the ratio of the area of triangle XBY to the area of triangle ABC for the given measuremnts, if XYis similar to AC, and
1. 0 answers
2. asked by buggy
3. 643 views

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