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Bill

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A model plane flies 18ft per 2 seconds. What is the plane's speed in miles per hour? Round to the nearest tenths.
1. 1 answer
2. 454 views
Write an algebraic expression for "15 less than the product of the square of x and 5."
1. 1 answer
2. 598 views
Jim paid $ 5.55 for 1 notepad and 7 pencils. Anne paid $ 12.28 for 3 notepads and 2 pencils. How much does each notepad cost?
1. 2 answers
2. 568 views
Roll two 6-sided dice and examine their sum.a) How long will it take to roll "snake-eyes" (a pair of ones)? b) What is the
1. 1 answer
2. 1,507 views
A doubly charged ion is accelerated to an energy of 33.0 keV by the electric field between two parallel conducting plates
1. 1 answer
2. 756 views
factor 2x^2+7x+6=0
1. 1 answer
2. 319 views
a space probe launched from earth and orbits at a distance of 15,000 m from earth's center, the gravitational force is 500 N.
1. 1 answer
2. 462 views
A hang glider and its pilot have a total mass equal to 120 kg. While executing a 360 degree turn, the glider moves in a circle
1. 0 answers
2. 801 views
When the law of diminishing returns applies, which of the following would rise with increased employment of labor, ceteris
1. 0 answers
2. 782 views
The manager of Pine Town Furniture purchased a new copier for $28,000. She plans to keep it for four years, at which point she
1. 1 answer
2. 421 views
The total cost of renting a car is a function of the basic charge, insurance, and the number of miles driven. Suppose a compact
1. 2 answers
2. 769 views
I need help understanding how to differentiate between isomers and resonance structures in skeletal structures.Specifically,
1. 0 answers
2. 617 views
The cost of producing flat-screen TVs has fallen over the past decade. Let’s consider some implications of this fact.A.) Draw
1. 1 answer
2. 3,230 views
Need help writing this using pseudocode format: Carly gets paid annually, and she would like a program that will figure out the
1. 3 answers
2. 494 views
Need help writing this into Pseudocode Format: Robert has a van rental company, and he wants a program that determines the total
1. 0 answers
2. 574 views
A certain gas has a solubility of .50 g/L under a pressure of 1500 torr. What would its solubility be a 2250 torr?
1. 0 answers
2. 390 views
Person weighing 650N lies on a bed of nails,each nail has area of 1m2 Assume 4Nm^-2 pressure is painful what is the smallest
1. 1 answer
2. 459 views
What is the perimeter of a trapeziod with an area of 96
1. 1 answer
2. 396 views
A pharmaceutical company claims its new medication relieves painful symptoms caused by tension headaches within 15 minutes. To
1. 1 answer
2. 464 views
According to a recent pole only 21% of Americans were satisfied with the direction the U.S. is heading. To investigate the
1. 0 answers
2. 891 views
Assume the weights of men are normally distributed having a mean of 185 lbs and a standard deviation of 17 pounds.A. Calculate
1. 1 answer
2. 1,647 views
Assume the wait time to see a cardiologist at a certain clinic are uniformly distributed between 7 minutes and 23 minutes.
1. 1 answer
2. 485 views
A Manufacturer of torque converters claim only 1% of them are defective.A. Calculate the Mean number of defective converters in
1. 0 answers
2. 377 views
A Manufacturer of torque converters claim only 1% of them are defective.A. In a shipment of 12 torque converters calculate the
1. 0 answers
2. 380 views
In a certain game of chance a person pays $5 to play a game. A person randomly selects 2 integers ranging from 0-99. The host of
1. 0 answers
2. 583 views
Use this information to calculate the mean and standard deviation of this random variable.P(x)- .25, .05, .55, .15
1. 1 answer
2. 418 views
A standard deck of 52 playing cards is composed of 4 suits. Each mix contains 13 cards. Jacks, Queens, and Kings are considered
1. 1 answer
2. 722 views
A solution is prepared by dissolving 571.6 g of H 2SO4 in enough water to make 1000.0 mL of solution. The solution has a density
1. 1 answer
2. 552 views
In order to compare two kinds of feed, thirteen pigs are split into two groups, and each group received one feed. The following
1. 1 answer
2. 1,837 views
Confucius believed that human beings are essentially A. gods.B. evil. C. good. D. sinful.
1. 1 answer
2. 505 views
What has the higher normal melting point: CHI3 or CHF3?The answer in the book is CHI3. So I'm assuming the answer is CHI3
1. 2 answers
2. 4,627 views
You have a drink that you want to cool off? You could put in 100 g of ice or 100 g of water, both at 0 degree C. Which one would
1. 1 answer
2. 649 views
Show that (a^2+b^2)(c^2+d^2)=(ac+bd)^2 + (ad-bc)^2
1. 1 answer
2. 919 views
Show that (a^2+b^2)(c^2+d^2)=(ac+bd)^2 + (ad-bc)^2
1. 1 answer
2. 328 views
Show that (a^2+b^2)(c^2+d^2)=(ac+bd)^2 + (ad-bc)^2
1. 0 answers
2. 286 views
How does the discovery of seafloor spreading help to explain the mechanism behind why plates move??
1. 1 answer
2. 394 views
If 1 and –6 are two of the roots of 6x^4 + 31 x^3 − 33x^2 − 16x + 12, then what are the other two?A. 2 and 3/2 B. -1 and 6
1. 1 answer
2. 336 views
If 1 and –6 are two of the roots of 6x^4 + 31 x^3 − 33x^2 − 16x + 12, then what are the other two?A. 2 and 3/2 B. -1 and 6
1. 1 answer
2. 295 views
21) A 46 kg skater is standing still in front of a wall. By pushing against the wall she propels herself backward with a
1. 1 answer
2. 1,386 views
A 4 ohm resistor and 10 ohm resistor are connected in series. If this circuit is connected to a 12 V battery, how much current
1. 1 answer
2. 520 views
Intensity of the HeNe laser (lambda = 632nm) was measured at 2 distances: 1m and 200m from the laser. The meter reading was 10W
1. 0 answers
2. 1,128 views
Plan A charges $5 per minute plus a one time monthly fee of $75 and plan B charges $7 per minute, plus a one time monthly fee of
1. 1 answer
2. 503 views
Before 1918, wolves were shown as 55% male, 45% female. From 1918 to present they were shown as 70% male and 30% female. In a
1. 1 answer
2. 2,216 views
In the twentieth centruy, which country had a caste system based on race?a. India b. the USA c. South Africa d. a and b only e.
1. 1 answer
2. 702 views
What quantum numbers specify these subshells?2s n= l= 3p n= t= 6d n= l=
1. 4 answers
2. 7,591 views
What element forms an ion with an electronic configuration of [Xe] and a –2 charge?
1. 3 answers
2. 3,121 views
Metals lose electrons under certain conditions to attain a noble-gas electron configuration. How many electrons must be lost by
1. 5 answers
2. 5,962 views
Assuming that the smallest measurable wavelength in an experiment is 0.330 fm (femtometers), what is the maximum mass of an
1. 3 answers
2. 1,065 views
What volume of the solution in 5a would be necessary to react completely with 23.00mL of 0.549M NH3 according to the equation:
1. 1 answer
2. 655 views
What is the point of inflection of the function f(x)=x^3-8x^2+5x+50? Is the local extrema at f(1/3)=50.8 max and f(5)=0 min?For
1. 1 answer
2. 428 views
In this problem, your answers should be mathematical expressions involving a variable.Consider an ideal gas with an absolute
1. 1 answer
2. 1,074 views
A 0.528 gram sample of a metal, M, reacts completely with sulfuric acid according to: M+H2SO4 -> MSO4+H2A volume of 205 mL of
1. 6 answers
2. 641 views
In this problem, your answers should be mathematical expressions involving a variable.Consider an ideal gas with an absolute
1. 2 answers
2. 542 views
A 0.528 gram sample of a metal, M, reacts completely with sulfuric acid according to: M+H2SO4 -> MSO4+H2A volume of 205 mL of
1. 2 answers
2. 1,304 views
2.05 g of an unknown gas at 45 °C and 1.00 atm is stored in a 1.15-L flask.What is the density of the gas?
1. 3 answers
2. 749 views
At a certain temperature and pressure, one liter of CO2 gas weighs 1.45 g. What is the mass of one liter of C4H10 gas at the
1. 2 answers
2. 5,062 views
A hot air balloon is filled with 1.39 × 106 L of an ideal gas on a cool morning (11 °C). The air is heated to 105 °C. What is
1. 4 answers
2. 2,068 views
An ideal gas is allowed to expand from 6.00 L to 45.0 L at constant temperature.By what factor does the volume increase? ?
1. 1 answer
2. 1,177 views
In a survey of 2000 adults 50 years and older of whom 40% were retired and 60% were pre-retired, the following question was
1. 0 answers
2. 1,351 views
What is the derivative of 7e^(3sin^(4x+5))?
1. 1 answer
2. 699 views
What is the derivative of 2^(5x)tan(x^2)
1. 1 answer
2. 338 views
What is the derivative of sin(3x+1)^4?
1. 1 answer
2. 358 views
Find dy/dx using implicit differentiation of xy + sin^2y=10350.Is it -y/(x+2siny)
1. 1 answer
2. 488 views
How do you solve this equation;There are 128 7th graders at Mark's school, if there are 16 more girls than boys, how many 7th
1. 6 answers
2. 1,425 views
From the window of a building, a ball is tossed from a height y0 above the ground with an initial velocity of 9.40 m/s and angle
1. 0 answers
2. 464 views
From the window of a building, a ball is tossed from a height y0 above the ground with an initial velocity of 9.40 m/s and angle
1. 0 answers
2. 498 views
Hi. I'm in 10th grade and our teacher assigned us a persuasive essay to write in class over a topic that we debated about for
1. 1 answer
2. 1,023 views
write 718.5 in scientific notation
1. 2 answers
2. 912 views
A swimmer, capable of swimming at a speed of 0.8 m/s in still water (i.e., the swimmer can swim with a speed of 0.8 m/s relative
1. 2 answers
2. 1,081 views
double **dptr;dptr = new double*[5]; for (int i = 0; i < 5; i++) dptr[i] = new double[3]; How many rows and columns will there
1. 1 answer
2. 614 views
An ice cube of mass 10g at -10C is added to the beaker containing 150mL of water at 88.5C. Assuming no heat is lost to the
1. 1 answer
2. 1,041 views
What volume of LR(Lactated Ringer's) solution would be required to make 1.0L of a solution that was .050M in chloride ion?
1. 1 answer
2. 382 views
The state of texas covers approxmiately 268,581 squared mi. During a hail storm the entire state is covered in 1billion meters
1. 1 answer
2. 555 views
The state of texas covers approxmiately 268,58 squared mi. During a hail storm the entire state is covered in 1billion meters of
1. 1 answer
2. 946 views
Calculate the force on an electron (qe = -1.6 x 10^-19 C) in each of the following situations:a.) moving at 2.0% the speed of
1. 2 answers
2. 1,232 views
Calculate the force on an electron (qe = -1.6 x 10-19 C) in each of the following situations:a.) moving at 2.0% the speed of
1. 1 answer
2. 566 views
1. .0025 M tartaric acid completely reacts with .0030 M of Al bicarbonate if .913 l of CO2 forms at 298 Kelvin with pressure of
1. 8 answers
2. 722 views
Tonya took out a loan to help pay for her house. She borrowed $50,000 for 15 years at a yearly simple interest rate of 5%. How
1. 3 answers
2. 1,132 views
If you have a rectangle and increase the length by 20% while decreasing the with by 20% what is the change equated at?
1. 1 answer
2. 351 views
Because of the Earth's rotation, a plumb bob does not hang exactly along a line directed to the center of the Earth. How much
1. 0 answers
2. 1,227 views
Five independent samples, each of size n, are to be drawn from a normal distribution where sigma is known. For each sample, the
1. 1 answer
2. 1,023 views
In the titration of 77.5 mL of 1.0 M methylamine, CH3NH2 (Kb = 4.4 10-4), with 0.38 M HCl, calculate the pH under the following
1. 2 answers
2. 587 views
Consider 67.0 mL of a solution of weak acid HA (Ka = 1.00 10-6), which has a pH of 4.500. What volume of water must be added to
1. 2 answers
2. 848 views
which of the following effects would also occur at the end of an Ice Age1.) an increase in volcanic activity near the equator.
1. 2 answers
2. 1,114 views
At a particular temperature, Kp = 0.25 for the following reaction.N2O4(g) 2 NO2(g) (a) A flask containing only N2O4 at an
1. 2 answers
2. 3,666 views
At a particular temperature, K = 1.00 102 for the following reaction.H2(g) + I2(g) 2 HI(g) In an experiment, 1.23 mol H2, 1.23
1. 2 answers
2. 5,182 views
At a particular temperature, K = 3.75 for the following reaction.SO2(g) + NO2(g) SO3(g) + NO(g) If all four gases had initial
1. 1 answer
2. 512 views
At a certain temperature, 4.0 mol NH3 is introduced into a 2.0 L container, and the NH3 partially dissociates by the reaction.2
1. 4 answers
2. 2,787 views
The following reaction has Kp = 109 at 25°C.2 NO(g) + Br2(g) 2 NOBr(g) If the equilibrium partial pressure of Br2 is 0.0159 atm
1. 3 answers
2. 2,800 views
At 4 PM ship A is 40 miles due South Ship B. Ship A is sailing due South at a rate of 20 knots while ship B is sailing due East
1. 2 answers
2. 640 views
A solution is prepared by mixing 50.0 mL of 0.17 M Pb(NO3)2 with 50.0 mL of 1.6 M KCl. Calculate the concentrations of Pb2+ and
1. 1 answer
2. 3,182 views
Will a precipitate form when 100.0 mL of a 7.5 10-4 M Mg(NO3)2 is added to 100.0 mL of 5.8 10-4 M NaOH? (Hint: Ksp for Mg(OH)2 =
1. 1 answer
2. 1,134 views
The solubility of solid Ce(IO3)3 in a 0.20 M KIO3 solution is 4.4 10-8 mol/L. Calculate Ksp.
1. 1 answer
2. 3,359 views
The Ksp for silver sulfate (Ag2SO4) is 1.2 10-5. Calculate the solubility of silver sulfate in each of the following.0.30 M
1. 1 answer
2. 1,197 views
What are the three elements of customer service, and how are they important to CRM?.* CRM is (customer relationship management)*
1. 1 answer
2. 400 views
The combustion of 0.1583 g benzoic acid increases the temperature of a bomb calorimeter by 2.93°C. Calculate the heat capacity
1. 2 answers
2. 755 views
Consider the following reaction.CH4(g) + 2 O2(g) CO2(g) + 2 H2O(l) ÄH = -891 kJ Calculate the enthalpy change for each of the
1. 1 answer
2. 970 views
Consider the dissolution of CaCl2.CaCl2(s) Ca2+(aq) + 2 Cl-(aq) ÄH = -81.5 kJ A 12.4 g sample of CaCl2 is dissolved in 100. g
1. 1 answer
2. 924 views
A 5.00-g sample of aluminum pellets (specific heat capacity = 0.89 J/°C · g) and a 10.00-g sample of iron pellets (specific
1. 1 answer
2. 2,384 views
The enthalpy of neutralization for the reaction of a strong acid with a strong base is -56 kJ/mol of water produced. How much
1. 3 answers
2. 1,549 views

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