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Marty

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Questions (68)

If the third harmonic of a standing wave in a vibrating string is 600 Hz, what is the fundamental frequency?
1. 4 answers
2. 2,588 views
Sue wants to frame a picture with a matte of uniform width all around the print. Sue wants the area of the matte to equal the
1. 1 answer
2. 955 views
x^4 + x^2 - 20Help! I have no clue how to factor this! Do i have to square root everything?
1. 4 answers
2. 430 views
is 3n^2 - 11n + 6 factorable?!
1. 4 answers
2. 481 views
How do you factor 6a^2 + 17ab + 12b^2
1. 2 answers
2. 742 views
PLEASE HELP FACTOR:1. 8x^4 - 14x^2y^2 + 3y^4 2. 10m^2 - 17mn - 6n^2
1. 2 answers
2. 933 views
(2.7 x 10^2) x (4.23 x 10^2)PLEASE YOU SIGNIFICANT DIGITS!!! thx
1. 7 answers
2. 447 views
The isotopes of argon have the following relative abundances:Ar-36 0.34% Ar-38 0.06% Ar-40 99.66% Estimate the average atomic
1. 5 answers
2. 2,297 views
Convert each quantity to an amount in moles:a) 4.27 x 10^21 atoms of He b) 7.39 x 10^23 molecules of ICl
1. 3 answers
2. 1,516 views
Express each quantity as a mass in grams.a) 3.70mol of H2O b) 8.43 x 10^23 molecules of PbO2
1. 3 answers
2. 1,201 views
A hydrated MgSO4 salt, weighing 3.211g, is heated in a crucible until reaching a constant weight. The weight of the anhydrous
1. 6 answers
2. 1,941 views
How many atoms of C are contained in 45.6g of C6H6?
1. 4 answers
2. 1,583 views
Chemical analysis reveals capsaicin to contain 71.0% of carbon, 8.60% hydrogen, 15.8% oxygen and 4.60% nitrogen.a) Determine the
1. 3 answers
2. 795 views
How many atoms of H are in a mixture of 3.49 x 10^23 molecules of H2O and 78.1g of CH3OH?
1. 5 answers
2. 2,050 views
A hydrate of zinc nitrate has the formula Zn(NO3)2 . xH2O. If the mass of 1 mol of anhydrous zinc nitrate is 63.67% of the mass
1. 4 answers
2. 3,363 views
Chemical analysis reveals capsaicin to contain 71.0% of carbon, 8.60% hydrogen, 15.8% oxygen and 4.60% nitrogen.a) Determine the
1. 6 answers
2. 1,762 views
What would be the mass of a bag of anhydrous magnesium sulfate, MgSO4, if it contained the same amount of magnesium as a 1.00kg
1. 4 answers
2. 2,031 views
6ClO2 + 3H2O -> 5HClO3 + HCla) If 71g of ClO2 is mixed with 19g of water, what is the limiting reactant? b) What mass of HClO3
1. 5 answers
2. 1,824 views
1. Water is a polar molecule. Therefore, it acts as a polar sollvent.a) Think about the following compounds: iodine, cobalt (II)
1. 7 answers
2. 1,177 views
I'm trying to find if potassium nitrate is polar or non-polar by using the electronegativity scale. Can someone check my work?El
1. 3 answers
2. 7,408 views
At what temperatures can 40mL of water dissolve the follownig quantities of potassium nitrate?(a) 35.0g (b) 20.0g can anyone
1. 10 answers
2. 2,050 views
What are some factors that affect the solubility of ionic substances?
1. 2 answers
2. 497 views
The applied force of a 2.0-kg object is 8.4 N [E] and the friction is 2.2 N [W]. What is the motion of the object?Can I use the
1. 1 answer
2. 426 views
A 2500kg car is travelling due west at 30m/s when the brakes are applied, exerting a force of 5000 N [E]. What is the car's
1. 4 answers
2. 2,968 views
How much would a 60-kg person weight on the Moon where the gravitational field has a magnitude of 1.6 N/kg?
1. 4 answers
2. 1,597 views
If you weighed 112 N on the Moon where g=1.6N/kg, how much would you weigh on Earth?
1. 4 answers
2. 2,141 views
In order to make some home improvements, a home owner spent $40,000. He paid 20% as a down payment and financed the balance of
1. 5 answers
2. 1,277 views
Calculate the work done by planet X on its moon.Planet X applies a force of 5.6 x 10^10 N on its moon and the moon is 4.0 x 10^8
1. 4 answers
2. 2,777 views
At a height of 3.00 m above the ground, a 0.500-kg ball is thrown with an initial speed of 30.0 m/s in an arc from point A to
1. 3 answers
2. 1,445 views
The first and second resonant lengths of an air column that is closed at one end are 15.5 cm and 45.5 cm, respectively. What is
1. 2 answers
2. 795 views
A student photographs a 18cm flower so it fills half of a 24mm slide. What is the magnification?
1. 2 answers
2. 970 views
Two identical charges are 36 mm apart. The electrostatic force between them is 1.3 N. What is the size of each charge?
1. 2 answers
2. 680 views
socialization process of caregivers. what are the implications for patients?
1. 5 answers
2. 501 views
Describe other measurements sociologists use to calculate prejudice.
1. 4 answers
2. 549 views
he cost of producing x bags of pretzels is modelled by C(x)=0.5x^2 + x + 2 where x=# of bags per hundred. State the function
1. 3 answers
2. 640 views
The cost of producing x bags of pretzels is modelled by C(x)=0.5x^2 + x + 2 where x=# of bags per hundred. State the function
1. 3 answers
2. 747 views
Need weight of Iron vs magnesiium
1. 4 answers
2. 368 views
An indoor physical fitness room consists of a rectangular region with a semicircle on each end. The perimeter of the room is to
1. 2 answers
2. 868 views
Find the volume of the cone of maximum value that can be inscribed in a sphere of radius 10cm.
1. 3 answers
2. 1,270 views
A radius and a diameter both have to ___________.
1. 3 answers
2. 239 views
Factor completely6a-9a^2
1. 1 answer
2. 419 views
Perform and give answer in simplified formFind the product (2x-5)^2
1. 2 answers
2. 546 views
solve the equation for x1 + 1 = 1 - - - x 12 8
1. 1 answer
2. 387 views
7r-3s=183r+7s=16 Solve by the elimination method, please.
1. 3 answers
2. 531 views
discuss coding or obstetrics, including items covered by the global fee for antepartum and pospartum periods of normal pregnancy
1. 1 answer
2. 393 views
John's specialty store uses a perpetual inveentory system. the following are some inventory transaction for the month of may
1. 1 answer
2. 768 views
If a polonium-210 (Po-210) atom has just decayed, how close can the ejectedalpha particle get to a neighboring Po-210 nucleus?
1. 1 answer
2. 485 views
If a polonium-210 (Po-210) atom has just decayed, how close can the ejectedalpha particle get to a neighboring Po-210 nucleus?
1. 5 answers
2. 595 views
The sum of two numbers is 32. Ten more than half of the sum of the numbers is 26. What are the numbers?
1. 3 answers
2. 474 views
an electron in a mercury atom jumps from level a to level g by absorbing a single photon. determine the energy of the photon in
1. 4 answers
2. 4,274 views
Write a 200- to 300-word response to the following: What is long-term care? Provide an example. What is continuum of care
1. 2 answers
2. 684 views
Provide a hypothetical situation for each signal type that illustrates how it could be, or is being, used in a WAN. In what
1. 1 answer
2. 426 views
A rocket ship at rest in space gives a short blast of its engine, firing 26 kg of exhaust gas out the back end with an average
1. 2 answers
2. 1,183 views
A daredevil is dead set on jumping the Grand Canyon at its narrowest point (180 meters across). He has set up a ramp at 25
1. 1 answer
2. 489 views
A daredevil is dead set on jumping the Grand Canyon at its narrowest point (180 meters across). He has set up a ramp at 25
1. 2 answers
2. 601 views
factor 8x^3-8x=0
1. 1 answer
2. 360 views
One of the companies for which you provide accounting services offers office cleaning services and has 8 customers. Cleaning
1. 2 answers
2. 566 views
The mean score for all individuals who took the Law School Admission Test (LSAT) in 2010 was 155 and the standard deviation was
1. 3 answers
2. 568 views
FIND THE INVERSE:f(x) = 10^(5x+3) - 10 f^-1(x) =
1. 2 answers
2. 715 views
Mandy got 22 questions correct on her test. Her grade was 80%. How many questions were on the test.
1. 5 answers
2. 578 views
Jeff is replacing the tile on his floor. he pans to use square tiles that are 11 inches on a side. the floor is 8 feet long and
1. 2 answers
2. 619 views
An airplane has a takeoff speed of 66m/s. Assuming a constant acceleration of 1.62m/s^2, how long is the plane accelerating down
1. 2 answers
2. 780 views
A model rocket is launched straight upward with an initial speed of 46.4 m/s. It accelerates with a constant upward acceleration
1. 2 answers
2. 482 views
A block M1 of mass 20.0 kg sits on top of a larger block M2 of mass 30.0 kg which sits on a flat surface. The kinetic friction
1. 1 answer
2. 681 views
Betty is supposed to work the same number of hours each week. One week, she worked 42 hours the first week and 34 hours the
1. 1 answer
2. 444 views
A walking area around a pool is going to be frfinished with a nonslip surface. If it costs $17 per square foot to install what
1. 1 answer
2. 447 views
If you are blowing up a balloon at a rate of 3 cubic ft per min, what is the rate of change of the radius after 30 seconds
1. 4 answers
2. 931 views
Simplify (cos x)/(sec(x) + 1)a. cot^2 x - cot^2 x * cos x b. cot^2 x + cot^2 x * cos x c. cos^2 x + cos x d. cot^2 x - cot^2 x *
1. 1 answer
2. 456 views

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