Ask a New Question

Questions and answers by

Marty

Questions (68)

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. 506 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. 3 answers
2. 994 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. 479 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. 500 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. 0 answers
2. 748 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. 1 answer
2. 534 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. 1 answer
2. 838 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. 1 answer
2. 688 views
Mandy got 22 questions correct on her test. Her grade was 80%. How many questions were on the test.
1. 4 answers
2. 630 views
FIND THE INVERSE:f(x) = 10^(5x+3) - 10 f^-1(x) =
1. 1 answer
2. 761 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. 2 answers
2. 638 views
One of the companies for which you provide accounting services offers office cleaning services and has 8 customers. Cleaning
1. 0 answers
2. 635 views
factor 8x^3-8x=0
1. 1 answer
2. 392 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. 659 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. 0 answers
2. 537 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. 1 answer
2. 1,236 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. 0 answers
2. 481 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. 1 answer
2. 741 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. 1 answer
2. 4,361 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. 2 answers
2. 529 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. 4 answers
2. 691 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. 0 answers
2. 563 views
John's specialty store uses a perpetual inveentory system. the following are some inventory transaction for the month of may
1. 0 answers
2. 842 views
discuss coding or obstetrics, including items covered by the global fee for antepartum and pospartum periods of normal pregnancy
1. 1 answer
2. 457 views
7r-3s=183r+7s=16 Solve by the elimination method, please.
1. 2 answers
2. 587 views
solve the equation for x1 + 1 = 1 - - - x 12 8
1. 0 answers
2. 427 views
Factor completely6a-9a^2
1. 1 answer
2. 457 views
Perform and give answer in simplified formFind the product (2x-5)^2
1. 1 answer
2. 602 views
A radius and a diameter both have to ___________.
1. 2 answers
2. 283 views
Find the volume of the cone of maximum value that can be inscribed in a sphere of radius 10cm.
1. 1 answer
2. 1,370 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. 1 answer
2. 932 views
Need weight of Iron vs magnesiium
1. 3 answers
2. 412 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. 2 answers
2. 807 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. 1 answer
2. 719 views
Describe other measurements sociologists use to calculate prejudice.
1. 3 answers
2. 615 views
socialization process of caregivers. what are the implications for patients?
1. 4 answers
2. 573 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. 1 answer
2. 727 views
A student photographs a 18cm flower so it fills half of a 24mm slide. What is the magnification?
1. 1 answer
2. 1,019 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. 1 answer
2. 872 views
If the third harmonic of a standing wave in a vibrating string is 600 Hz, what is the fundamental frequency?
1. 1 answer
2. 2,670 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. 1 answer
2. 1,499 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. 1 answer
2. 2,859 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. 4 answers
2. 1,356 views
If you weighed 112 N on the Moon where g=1.6N/kg, how much would you weigh on Earth?
1. 2 answers
2. 2,212 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. 2 answers
2. 1,662 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. 2 answers
2. 3,039 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. 467 views
What are some factors that affect the solubility of ionic substances?
1. 1 answer
2. 541 views
At what temperatures can 40mL of water dissolve the follownig quantities of potassium nitrate?(a) 35.0g (b) 20.0g can anyone
1. 9 answers
2. 2,164 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. 1 answer
2. 7,601 views
1. Water is a polar molecule. Therefore, it acts as a polar sollvent.a) Think about the following compounds: iodine, cobalt (II)
1. 6 answers
2. 1,273 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. 4 answers
2. 1,908 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. 2 answers
2. 2,115 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. 4 answers
2. 2,106 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. 5 answers
2. 1,854 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. 3 answers
2. 3,433 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. 2 answers
2. 882 views
How many atoms of C are contained in 45.6g of C6H6?
1. 3 answers
2. 1,665 views
A hydrated MgSO4 salt, weighing 3.211g, is heated in a crucible until reaching a constant weight. The weight of the anhydrous
1. 5 answers
2. 2,040 views
Express each quantity as a mass in grams.a) 3.70mol of H2O b) 8.43 x 10^23 molecules of PbO2
1. 1 answer
2. 1,273 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. 1 answer
2. 1,587 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. 2 answers
2. 2,409 views
(2.7 x 10^2) x (4.23 x 10^2)PLEASE YOU SIGNIFICANT DIGITS!!! thx
1. 6 answers
2. 528 views
PLEASE HELP FACTOR:1. 8x^4 - 14x^2y^2 + 3y^4 2. 10m^2 - 17mn - 6n^2
1. 1 answer
2. 982 views
How do you factor 6a^2 + 17ab + 12b^2
1. 1 answer
2. 792 views
is 3n^2 - 11n + 6 factorable?!
1. 3 answers
2. 531 views
x^4 + x^2 - 20Help! I have no clue how to factor this! Do i have to square root everything?
1. 3 answers
2. 488 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. 0 answers
2. 1,011 views

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025