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2013
July

Questions Asked on July 1, 2013

Find the magnitude and direction angle for the given vector.12√(2), -12√(2)
1. 2 answers
2. asked by Trig
3. 449 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. 962 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. 540 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. 3,125 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. 495 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. 548 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. 569 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. 791 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. 417 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. 586 views
Do this sentence have the correct pronoun usageNatalia is a better cook than me
1. 2 answers
2. asked by Anonymous
3. 998 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. 970 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. 3,315 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. 1,313 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. 1,095 views
How many moles of iron atoms does a 27 g sample contain?
1. 1 answer
2. asked by RAID
3. 370 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. 907 views
Why are models important?
1. 1 answer
2. asked by sandy
3. 361 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. 1,338 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. 425 views
o,tt,ff,ss,.....?
1. 1 answer
2. asked by Caden
3. 389 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. 3,592 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. 489 views
As a policy maker, how can sustainability be achieved
1. 1 answer
2. asked by Dora
3. 473 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. 1,047 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. 570 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. 825 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. 837 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. 590 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. 2,114 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. 2,268 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. 528 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. 3,347 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. 1,187 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. 503 views
222+999
1. 1 answer
2. asked by Ayesha
3. 438 views
1. A sample of n=20 has a mean of M = 40. If the standard deviation is s=5, would a score of X= 55 be considered an extreme
1. 1 answer
2. asked by susan
3. 356 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. 516 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. 1,240 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. 5,405 views
A rock is ejected vertically upward at 40 m/s. At what time is the rock moving at 20 m/s upward.
1. 1 answer
2. asked by Jean
3. 377 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. 3,570 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. 575 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. 442 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. 448 views
The ultimate strength of a steel rod is 600.000MPa. if the factor of safety 3.000 is required, what is the maximum permissible
1. 0 answers
2. asked by Danny
3. 384 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. 426 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. 452 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. 391 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. 387 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. 481 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. 516 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. 578 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. 385 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. 464 views
Find x given that 132x=72ten?
1. 2 answers
2. asked by Shuaibu
3. 667 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. 950 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. 3,837 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. 460 views
Find all solutions in the interval [0,360degrees]sin(4t)= (Square root of 3)/2
1. 1 answer
2. asked by Jeanette
3. 439 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. 553 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. 780 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. 1,414 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. 493 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. 436 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. 1,121 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. 580 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. 614 views
A thin aluminum ring hangs vertically from a torsion spring. A torsion spring when twisted exerts a restoring torque given byτ=
1. 0 answers
2. asked by Nick
3. 382 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. 935 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. 2,924 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. 1,199 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. 485 views
What critical value for z would be used to test the hypotheses: H0:μ≤10 and Ha:μ>10, for α = 0.05 ?
1. 1 answer
2. asked by Karina
3. 376 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. 1,861 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. 2,614 views
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. 6,851 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. 2,473 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. 1,668 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. 2,468 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. 3,044 views
starting from rest, find a 54.6kg child’s speed at the bottom of a 15.5m tall slide if it is assumed to be frictionless
1. 1 answer
2. asked by justin
3. 329 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. 561 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. 643 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. 514 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. 975 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. 651 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. 1,349 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. 880 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. 554 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. 2,881 views
a/6=-33
1. 1 answer
2. asked by Anonymous
3. 210 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. 898 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. 461 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. 668 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. 759 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. 388 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. 1,127 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. 1,357 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. 1,928 views

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