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Questions Asked on July 1, 2013

A person whose weight is 507 N is being pulled up vertically by a rope from the bottom of a cave that is 30.1 m deep. The
1. 3 answers
2. asked by dam on
3. 6,869 views
an amount of Rs 5000 is put into three/investments at the rate of interest of 6%, 7%, 8% per annum respectively; the total
1. 2 answers
2. asked by edward
3. 5,427 views
A newly-opened restaurant has 5 menu items. If the first 4 customers each choose one menu item uniformly at random, the
1. 4 answers
2. asked by anonymous
3. 3,858 views
SAT essay practice.The Chinese proverb, "In crisis is cleverness born" means that through crisis creativity is born. This does
1. 7 answers
2. asked by Anonymous
3. 3,608 views
A throat lozenge contains 5.0mg of menthol, which has the formula C10H20O.a. How many moles of menthol are in 5.0 mg of menthol?
1. 1 answer
2. asked by Tiffany Brooke
3. 3,587 views
there are 7 children standing in a line ,not all of whom have the same number of cakes with them, if the first child distributes
1. 1 answer
2. asked by anu
3. 3,362 views
A heavier mass m1 and a lighter mass m2 are 18.0 cm apart and experience a gravitational force of attraction that is 9.70 10-9 N
1. 1 answer
2. asked by Jarrod
3. 3,330 views
A satellite circles the earth in an orbit whose radius is 2.07 times the earth's radius. The earth's mass is 5.98 x 1024 kg, and
1. 1 answer
2. asked by Justin S.
3. 3,149 views
A 950-kg race car can drive around an unbanked turn at a maximum speed of 46 m/s without slipping. The turn has a radius of 120
1. 1 answer
2. asked by sammy
3. 3,069 views
A book weighing 12 N is placed on a table.How much support force does a table exert on the book? Answer in units of N
1. 4 answers
2. asked by Lynn
3. 2,938 views
Which fraction is equivalent to 5/6 * 1/3 ?5/18 2/5 1 and 1/6 2 and 1/2
1. 7 answers
2. asked by Sunny
3. 2,893 views
Two objects (52.0 and 20.0 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley
1. 1 answer
2. asked by brando
3. 2,631 views
An antacid contains 200mg of aluminum hydroxide and 200mg of magnesium hydroxide per capsule.a. How many moles of Al(OH)3 does
1. 1 answer
2. asked by Tiffany
3. 2,493 views
the man hanging upside down is holding a partner who weighs 491 N. Assume that the partner moves on a circle that has a radius
1. 1 answer
2. asked by damien
3. 2,492 views
Ben invests $19,500 at 12% interest compounded quarterly for 10 years. Calculate the compound amount for his investment.
1. 3 answers
2. asked by artyst
3. 2,283 views
calculate the compound interest on an investment of $45,000 at 6% interest compounded quarterly fro 3 years
1. 1 answer
2. asked by artyst
3. 2,128 views
The height of a soccer ball that is kicked from the ground canbe approximated by the function: y = -12⋅x2 + 48⋅x where y is
1. 1 answer
2. asked by lisa
3. 1,942 views
A social psychologist asked 15 college students how many times they “fell inlove” before they were 11 years old. The numbers
1. 2 answers
2. asked by Anonymous
3. 1,873 views
The hammer throw is a track-and-field event in which a 7.30-kg ball (the hammer) is whirled around in a circle several times and
1. 1 answer
2. asked by donny
3. 1,688 views
How would I solve this;John is paid at an hourly rate of $15 and over time rate of 1.5 times his hourly rate. If john puts in w
1. 3 answers
2. asked by selena
3. 1,429 views
The height of a curved support beam can be modeled byF(x)=- x^2/288 +18 Find the height and width of the beam. Height = units
1. 1 answer
2. asked by lisa
3. 1,369 views
nisha is following a recipe for tomatoe sauce that calls for 1 3/4 tsps of oregano. she is using a measuring spoon that holds
1. 2 answers
2. asked by andra
3. 1,367 views
If I have 40mg of potassium, that would be how many moles of potassium?mols= grams/atomic number 0.04g/39.0983= .001023062 would
1. 1 answer
2. asked by Tiffany
3. 1,355 views
How long does it take a plane, traveling at a constant speed of 166 m/s, to fly once around a circle whose radius is 4000 m?
1. 1 answer
2. asked by Justin S.
3. 1,326 views
1.)The silica that makes up the stationary phase in TLC chromatophraphy is more polar than the mobile phase. What then might the
1. 1 answer
2. asked by Kris
3. 1,259 views
Jessica has 1/3 of a bag of dog food to divide evenly between her 2 dogs. What fraction of the whole bag does Jessica give each
1. 3 answers
2. asked by Gisela Adorno
3. 1,213 views
the difference b/w a 3 digit number and the number formed by reversing its digits is 396,the difference of hundreds and the
1. 0 answers
2. asked by anu
3. 1,200 views
A company has developed a new type of light bulb, and wants to estimate its mean lifetime. A simple random sample of 12 bulbs
1. 1 answer
2. asked by Sara
3. 1,168 views
A rectangular picture measuring 3 in. by 7 in. is surrounded by a frame with uniform width x. Write a quadratic function in
1. 3 answers
2. asked by lisa
3. 1,139 views
Running amok (murderous raging) in Malaysian culture susto,spirit attack in Latin America,and fright in Carribean are example of
1. 1 answer
2. asked by Sylvia
3. 1,133 views
A particular bacterium is found to have a doubling time of 20 minutes. If a laboratory begins with a population of 300 of these
1. 1 answer
2. asked by Jazzy
3. 1,110 views
an 80ppm of KMno4 produced an absorbance of 0.4 in a 1.0cm cuvette. Calculate the molar absorptivity of KMno4
1. 1 answer
2. asked by zainabu
3. 1,063 views
A man can do the job in 8 days after 3 days of working a new guy help him and it takes 3 more days to finish the job together.
1. 1 answer
2. asked by HELP HELP MHNS
3. 1,056 views
A television camera is positioned 2500 ft from the base of a rocket launching pad. The angle of elevation of the camera has to
1. 1 answer
2. asked by Robin
3. 1,051 views
Do this sentence have the correct pronoun usageNatalia is a better cook than me
1. 2 answers
2. asked by Anonymous
3. 1,009 views
What are eating disorders?A. An illness that leads to starvation B. An illness that causes serious disturbances to a person’s
1. 3 answers
2. asked by Anonymous
3. 986 views
Which fraction is equivalent to 5/6 (divided sign) 1/3?5/18 2/5 1and 1/6 2and1/2
1. 6 answers
2. asked by Sunny
3. 984 views
2) Calculate the Molar Enthalpy of Neutralization (ΔHn) in kJ/mol of the reaction between a monoprotic acid and a monoprotic
1. 1 answer
2. asked by Mary
3. 978 views
Six people are playing Secret Santa for Christmas. They will each give one gift to someone, and each receive one gift from
1. 0 answers
2. asked by Brian
3. 967 views
Two dice are tossed. What is the probability that the sum of both dice is a prime number?this is the answer i have ; Presuming
1. 1 answer
2. asked by Megan
3. 951 views
A department store is running a promo one Saturday by giving out coupons for $10 of free merchandise. However, one-third of
1. 0 answers
2. asked by Leslie
3. 920 views
Carbon tetrachloride has an enthalpy of vaporization of 29.82kj/mol. If CCl4 has a normal boiling point of 350k, what is its
1. 1 answer
2. asked by Annie
3. 905 views
hasan ran 3 miles in 18.342 minutes. Safaya ran the same distance is 19.291 minutes. How much longer did it take safays to run 3
1. 2 answers
2. asked by andra
3. 892 views
Manually calculate the compound interst on an investment of $12,500 at 7.5% interest compound semiannually for 2 year.
1. 1 answer
2. asked by artyst
3. 852 views
rigoberto invests $8,000 at 6% interest comp semiannually for 1 year. Use the compound interest formula
1. 1 answer
2. asked by artyst
3. 841 views
Suppose Twin Cities Memorial Hospital has issued tax-exempt bonds that have an interest rate of 6 percent. With all else the
1. 1 answer
2. asked by Anonymous
3. 798 views
The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the
1. 1 answer
2. asked by brandan
3. 794 views
The height of a soccer ball that is kicked from the ground canbe approximated by the function: y = -12⋅x^2 + 48⋅x where y is
1. 1 answer
2. asked by lisa
3. 786 views
Oatmeal Recipe:Water 3/4 cup Salt: 1/4 teaspoon Oats: 1/3 cup If the least possible multiple of the recipe above is prepared so
1. 1 answer
2. asked by Emily
3. 771 views
Using the integers 2,3,4,5,How many 3-digit odd numbers less than 300 can be formed if no repetition of digits is allowed?
1. 1 answer
2. asked by Anonymous
3. 708 views
COMPLETELY STUCK? The period of rotation of the Moon is about 27 days, 8 hrs. The mass of the Moon is 7.35 x 1022 kg, and the
1. 1 answer
2. asked by justin
3. 684 views
Find x given that 132x=72ten?
1. 2 answers
2. asked by Shuaibu
3. 678 views
You stand at the end of a long board of length L. The board rests on a frictionless frozen surface of a pond. You want to jump
1. 0 answers
2. asked by Anonymous
3. 663 views
Suppose two carts, one twice as massive as the other, fly apart when the compressed spring that joins them is released. How fast
1. 0 answers
2. asked by Anonymous
3. 663 views
Two charges +q and −q are separated by a distance d=50 cm. The electric field lines for this system form the the well-known
1. 4 answers
2. asked by Brian
3. 638 views
Each plant of a certain variety yields 50 seeds in the early fall and then dies. Only 40 percent of these seeds produce plants
1. 1 answer
2. asked by Grace
3. 620 views
A 34.1 kg child rides a Ferris wheel whose diameter is 18.3 m. When the ride is turning at a constant rate, the child’s speed
1. 1 answer
2. asked by justin
3. 612 views
calculate the compound interest on an investment of $18,000 at 8% interest compounded quarterly for 15 months.
1. 0 answers
2. asked by artyst
3. 607 views
A hard water sample contains 121 mg of CaCO3 per liter of water. Calculate the mass of Na3Po4 needed to remove all Ca^2+ ions
1. 1 answer
2. asked by Sam
3. 606 views
A pine tree casts a shadow that is 49 feet long. A 10 foot sign next to it casts a shadow that is 8 feet long. How tall is the
1. 2 answers
2. asked by stoker
3. 600 views
a person jumps from a ledge 3.7 meters and when he drops to the ground it takes .7 meters for him to stop what is the force
1. 1 answer
2. asked by Cat
3. 598 views
Charged particles such as ions can separate the charges inside of overall electrically neutral atoms, thus making an electric
1. 0 answers
2. asked by Mary
3. 597 views
List in increasing order of expected Rf values in a TLC experiment: salicylic acid, toluene, and benzophenone.
1. 0 answers
2. asked by Kris
3. 590 views
w do each of the following infastructure items affect aggregate supply: a) highways, b) schools, c) sewerage system, d) courts
1. 0 answers
2. asked by meme
3. 582 views
Creating a BudgetVarious budget approaches play an important role in resource allocation in human service organizations. You are
1. 0 answers
2. asked by Dawn
3. 580 views
you are a speaker in a school debate write for or gainst,boys should not help in the kitchen
1. 5 answers
2. asked by sharif
3. 577 views
A 13,900 kg truck is moving at 23.5 m/s on a mountain road when the brakes are applied. The brakes FAIL!! Fortunately, the
1. 1 answer
2. asked by justin
3. 572 views
You stand at the end of a long board of length L. The board rests on a frictionless frozen surface of a pond. You want to jump
1. 0 answers
2. asked by Anonymous
3. 567 views
Let S be the set of {(1,0),(0,1),(1,1),(1,−1),(−1,1)}-lattice path which begin at (1,1), do not use the same vertex twice,
1. 0 answers
2. asked by doeom
3. 563 views
Even though we have found an earth sized planet around the nearest star Alpha Centauri B, we're not even close to getting there.
1. 3 answers
2. asked by anonymous
3. 561 views
I have looked high and low to figure out how to start this question. I have no clue! Any help would be great!!Rainbows are
1. 1 answer
2. asked by Ryan
3. 552 views
Assuming SAT score data are normally distributed, if only the top 25% of students based on SAT scores qualify to be interviewed
1. 1 answer
2. asked by Anonymous
3. 543 views
1. Consider the following scenario: A random sample obtained from a population has a mean of µ=100 and a standard deviation of
1. 1 answer
2. asked by susan
3. 531 views
The Chicago Art Museum's Renaissance display consists of four hallways bordered around a square courtyard. A single guard is
1. 3 answers
2. asked by Bob
3. 530 views
A 5 liter vessel contains 2g of hydrogen and 28g of nitrogen at 27 temperature.find to total mixture ?
1. 2 answers
2. asked by mirza
3. 529 views
my tenths is twice greater than my thousandths . My hundredths digit is the sum of my tenths and thousandths . Who am I?
1. 1 answer
2. asked by anne klein
3. 514 views
b. Suppose the hospital pays out $300,000 in dividends. A stockholder receives $10,000. If the stockholder’s tax rate on
1. 1 answer
2. asked by Anonymous
3. 510 views
A satalites escape velocity is 6.5 mi/sec, the radius of the earth is 3960 miles and the earth's gravitational constant(g) is
1. 0 answers
2. asked by ASHLEY
3. 506 views
I don't understand this,so can you please explain more clearly. Where did you get the 1/5?1.The point P divides the interval
1. 2 answers
2. asked by Anonymous
3. 503 views
What would be the compound amount after 19 years on an investment of $42,000 with an 11% interest rate compounded annually?
1. 2 answers
2. asked by keionna
3. 503 views
An antacid contains 200mg of aluminum hydroxide and 200mg of magnesium hydroxide per capsule.a. How many moles of Al(OH)3 does
1. 1 answer
2. asked by Glenn
3. 497 views
As a policy maker, how can sustainability be achieved
1. 1 answer
2. asked by Dora
3. 488 views
John has a box that contains one red ball and one blue ball. Every minute he reaches into the box and randomly takes out a ball
1. 0 answers
2. asked by Alex
3. 478 views
His spacecraft, Vostok I, was a sphere about 2.3 m in diameter, and it reached a maximum altitude above Earth’s surface of 327
1. 1 answer
2. asked by justin
3. 471 views
A 51.9-g golf ball is driven from the tee with an initial speed of 50.8 m/s and rises to a height of 28.4 m. (a) Neglect air
1. 0 answers
2. asked by Valeria
3. 469 views
Find the magnitude and direction angle for the given vector.12√(2), -12√(2)
1. 2 answers
2. asked by Trig
3. 467 views
A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes
1. 0 answers
2. asked by Danny
3. 463 views
1) Calculate the tensile stress in a 33.000mm diameter rod subjected to a pull of 30.000kN.ANS= MPa (Round to 3 decimal places)
1. 0 answers
2. asked by Danny
3. 462 views
An antacid contains 200mg of aluminum hydroxide and 200mg of magnesium hydroxide per capsule.a. How many moles of Al(OH)3 does
1. 1 answer
2. asked by Glenn
3. 457 views
Find all solutions in the interval [0,360degrees]sin(4t)= (Square root of 3)/2
1. 1 answer
2. asked by Jeanette
3. 451 views
222+999
1. 1 answer
2. asked by Ayesha
3. 448 views
Which of these functions has period 7?A)y= cot 7/pi x B)y= tan pi/7 x C)y= sin 7/pi x D)y= cos pi/7 x
1. 1 answer
2. asked by John
3. 442 views
If I have 1.93 x 10^-6 mole of chromium that would equal 100.35 mcg correct?
1. 1 answer
2. asked by Tiffany
3. 439 views
A uniform bar 1.000 meters in length and having a cross sectional area of 10.000cm^2 is subjected to a loading of 5750.000
1. 0 answers
2. asked by Danny
3. 432 views
How do you lose weight?A. By using up less energy than you take in B. By using up more money on diet programs and pills C. By
1. 2 answers
2. asked by Anonymous
3. 427 views
The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum
1. 1 answer
2. asked by Danny
3. 404 views
If 1 more than a certain number is 3 less than a second number, the larger of these numbers minus the smaller is equal to?
1. 1 answer
2. asked by Emily
3. 402 views
What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N.
1. 0 answers
2. asked by Danny
3. 398 views
A senator asks his constituents to rank seven issues in order of importance. How many rankings are possible?
1. 1 answer
2. asked by Kathy
3. 396 views
o,tt,ff,ss,.....?
1. 1 answer
2. asked by Caden
3. 395 views

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