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You are three miles north and two miles east of a cabin. On what bearing must you walk to reach the cabin?How far are you from
1. 1 answer
2. 396 views
A navy destroyer is exactly 68 miles North of an aircraft carrier, which is travelling West 21 degrees North at 18 mph. what
1. 0 answers
2. 473 views
EAch of 3 circles touch the other 2.Circle A=radius 8cm Circle B=radius 4cm Circle c=radius 1cm A triangle is formed by
1. 1 answer
2. 691 views
area of triangle XYZgiven:side z=11 side x=7 and side y=13 what are the angles and area please? please explain
1. 2 answers
2. 350 views
the hour hand of a clock is 5 inches long and the minute hand is 6 inches long. Determine the distance between the tips of the
1. 1 answer
2. 639 views
To the nearest tenth of a cubic inch, how much volume is added to a spherical balloon whose radius grows from 10 to 20 inches
1. 1 answer
2. 672 views
A steel wire in a piano has a length of 0.6000 m and a mass of 3.000 10-3 kg. To what tension must this wire be stretched so
1. 0 answers
2. 684 views
A piano string having a mass per unit length equal to 5.10 10-3 kg/m is under a tension of 1,500 N. Find the speed with which a
1. 1 answer
2. 1,249 views
A ball has a diameter of 3.86 cm and average density of 0.0836 g/cm3. What force is required to hold it completely submerged
1. 1 answer
2. 2,162 views
For safety in climbing, a mountaineer uses a nylon rope that is 65 m long and 0.9 cm in diameter. When supporting a 92-kg
1. 0 answers
2. 628 views
1.9s+6=3.1-s
1. 1 answer
2. 313 views
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A
1. 2 answers
2. 951 views
If an automobile engine delivers 46.0 hp of power, how much time will it take for the engine to do 5.30 x 10^5 J of work?
1. 1 answer
2. 552 views
A 2200-kg sport utility vehicle traveling at 96 km/h can be stopped in 0.15 s if it hits a concrete wall. Assume a 60 kg person
1. 0 answers
2. 443 views
space rocket travelling at 20 ms-1 accelerates at 5ms-2 for 2 seconds. how far does the rocket travel during these two seconds?
1. 1 answer
2. 456 views
Is this the proper order for Alphabetic filing?Norman Bailey-Jones o Norman Bailey Jones o Robert D’Angelo o Robert D. Angelo
1. 1 answer
2. 673 views
3/4-1/3z=1/45/6c-2/3c=1/3 please show step by step Thanks! I now the ans for the first one is 3/2 but how did you work it out?
1. 1 answer
2. 441 views
The attendance at a baseball game was 400 people. Student tickets cost$2 and adult tickets cost$3. Total ticket sales were
1. 1 answer
2. 761 views
what is the ratio of 5 feet squared to 27 inches?
1. 1 answer
2. 395 views
how do you change theses sentences to figurative language. Beating their golden hoofs upon the glass Heavens;
1. 0 answers
2. 1,018 views
A package is dropped from a helicopter that is descending steadily at a speed v0. After t seconds have elapsed, consider the
1. 1 answer
2. 1,615 views
When the Sun is directly overhead, a hawkdives toward the ground at a speed of 6.97 m/s. If the direction of his motion is at an
1. 3 answers
2. 1,753 views
The successive dis-placements are 5.7 m to the north, 6.3 m 45 � north of east, and 9.3 m 50� west of south.
1. 1 answer
2. 339 views
rhyme scheme is Beowulf
1. 0 answers
2. 526 views
Calculate the number of moles of Ca(OH)2(aq) needed to react completely with 125 mL of 6.00 M HCl(aq). It doesnt give any
1. 1 answer
2. 532 views
Can some nice chemist explain to me the system of naming compounds with roman numerals? Also while they are here, tell me
1. 2 answers
2. 771 views
assume that 0.50 L of carbon dioxide is required for a loaf of bread. what mass of glucose must be broken down by yeast to
1. 0 answers
2. 671 views
A particle with a mass of 2.00x10-16 kg and a charge of 22.0 nC starts from rest, is accelerated by a strong electric field, and
1. 0 answers
2. 732 views
how many atoms in 8.87g of silver
1. 1 answer
2. 311 views
Find the final velocity of the two balls if the ball with velocity v2i = -19.5 cm/s has a mass equal to half that of the ball
1. 0 answers
2. 667 views
The main purpose of a peer review committee is toA. collect and prepare information to be submitted to the NPDB. B. establish
1. 0 answers
2. 1,149 views
Suppose the stone is thrown at an angle of 32.0° below the horizontal from the same building (h = 49.0 m) as in the example
1. 1 answer
2. 676 views
a local television station sends out questionnaires to determine if viewers would rather see a documentary, an interview show or
1. 1 answer
2. 2,007 views
A sphere of radius 0.715 m, temperature 21.1°C, and emissivity 0.672 is located in an environment of temperature 93.8°C. At
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2. 462 views
express the fraction as a decimal, round to decimal place52/9
1. 1 answer
2. 505 views
An electric field of 2.04 kV/m and a magnetic field of 0.548 T act on a moving electron to produce no net force. If the fields
1. 1 answer
2. 589 views
determine f'(2) for f(x)=g[h(x)] given g(2)=5, g'(2)=-3, g'(-6)=-3, h(2)=-6, h'(2)=4
1. 0 answers
2. 246 views
GIVEN: 4NH3 + 5O2===> 4NO + 6H2ONow, in a container 6.0moles of NH3 are mixed with 8.0moles of O2. If the reaction produces
1. 1 answer
2. 715 views
when 0.1M solutions of the following substances are mixed, which pair will precipitate?1) Pb(CH3COO)2 and Mg(NO3)2 2) H2SO4 and
1. 0 answers
2. 587 views
A solution is prepared by dissolving 23.7g of CaCl2 in 375.0g of water. The density of this solution is 1.05g/mL. determine the
1. 1 answer
2. 1,180 views
So first off i want to say writing essays are not in my strengths. so i was wondering if someone could read my intro paragraph
1. 1 answer
2. 980 views
15. How many molecules are in 6H2O?
1. 0 answers
2. 352 views
Stuck hereQuestion wants the correct number of significant figures. tan^-1 (9/7)=?
1. 1 answer
2. 414 views
The boats have a mass of 30 kg. The stopping splash lasted about 1.5 s. What acceleration is required to stop the flume?
1. 1 answer
2. 424 views
The concentration of NaOH in a solution is 7.00 10-6 M.What is the [H3O+] in the solution? _______________M What is the [OH-] in
1. 1 answer
2. 603 views
The concentration of HNO3 in a solution is 3.50 10-6 M.What is the [H3O+] in the solution? _______M What is the [OH-] in the
1. 1 answer
2. 997 views
What is the boiling point of the solution in which you are going to cook spaghetti if it contains 51.0 g of NaCl dissolved in
1. 3 answers
2. 628 views
Suppose that you were head of a family planning agency in India. How would you design a scientific study to determine the
1. 1 answer
2. 1,007 views
A weightlifter performing a curl with a 320 N barbell stops the lifting motion with his forearmsin a horizontal position. (a) If
1. 0 answers
2. 1,088 views
Write a 200- to 300-word description of a business scenario, either real or fictional, that depicts each of the following forms
1. 1 answer
2. 581 views
A square martix A is said to be idempotent if A=A^2. The only real numbers that are idempotent are 1 and 0, but this is not true
1. 1 answer
2. 456 views
let A=(3 x)(-2 -3) if A=A^-1, what is x? please show work so i can understand
1. 2 answers
2. 311 views
Given ∠ABC, if m∠A=11x, ∠B = 3x + 4, and m∠C = x - 4, find the measure of each angle.
1. 1 answer
2. 404 views
find the dimensions of a rectangle with a perimeter of 780m if the length is 15 more than 4 times the width.
1. 1 answer
2. 483 views
36z^2 -49
1. 2 answers
2. 392 views
A crate of mass m = 230 kg is pushed at constant speed up the frictionless ramp (θ = 29.0°) by a horizontal force F. What is
1. 3 answers
2. 775 views
What is the quantum particle of the electric field?Answer a. The proton. b. The electron. c. The photon. d. The neutron.
1. 1 answer
2. 448 views
What does the concentration of field lines represent?Answer a. The direction that a positive test charge will be pushed. b. The
1. 0 answers
2. 464 views
What does the concentration of field lines represent?Answer a. The direction that a positive test charge will be pushed. b. The
1. 0 answers
2. 423 views
Why is there a minus sign in the formula Î”p/Î”t = âˆ’Î”EP/Î”s?Answer a. Objects are accelerated to higher
1. 0 answers
2. 490 views
0.5 mol of salt (NaCl) is dissolved in 4.5 mol of water. What is the increase in entropy?Answer a. 13.5 J/K b. 84 J/K. c. 9.8
1. 1 answer
2. 463 views
How is entropy calculated in the general case?Answer a. By determining the amount of heat absorbed. b. By multiplying P times
1. 0 answers
2. 520 views
In a fully random distribution, we can determine the most probable state from what two quantities?Answer a. The number of
1. 0 answers
2. 588 views
If we apply 300 kJ of heat to 2500 moles of air at constant pressure, what is the change in internal energy?Answer a. 214 kJ. b.
1. 0 answers
2. 368 views
If 250 moles of gas are compressed to 0.75 of an original volume at a constant temperature or 295 K, how much heat must have
1. 0 answers
2. 413 views
Doing work on a gas always impliesAnswer a. adding internal energy. b. adding heat. c. changing the volume. d. adding potential.
1. 0 answers
2. 583 views
Since the industrial revolution, the Earth's average surface temperature hasAnswer a. risen about 1 K. b. has risen about 3 K.
1. 0 answers
2. 407 views
The natural greenhouse effect raises the surface temperature at the surface of the Earth by about 20 or 40 k?
1. 0 answers
2. 383 views
Consider three layers of a wall. The first layer is plaster 1.0 cm thick (R = 0.033 SI units), the second layer is fiberglass
1. 0 answers
2. 638 views
What dominant mode of heat transport exchanges heat from food in the refrigerator to the cooling coils?
1. 1 answer
2. 376 views
A crate of mass m = 230 kg is pushed at constant speed up the frictionless ramp (θ = 29.0°) by a horizontal force F. What is
1. 0 answers
2. 682 views
kevin has a rabbit, a ferret, a gerbel and a turtle. He feeds them in a different different order each day. In how many
1. 2 answers
2. 300 views
The slope of the tangent line to the parabola y=3x^2+6x+5 at the point (-3,14)
1. 0 answers
2. 693 views
ive got quite far but im stuck, can you go through each stage so i can check.simultaneous equation with surds 5x-3y=41
1. 3 answers
2. 501 views
A boat takes 2 hours to travel 30 km down a river, then 6.5 hours to return. How fast is the river flowing?
1. 1 answer
2. 924 views
express in as simple a form as posible??(2x^3y^-1)^3
1. 1 answer
2. 483 views
A model rocket is launched straight upward with an initial speed of 60.0 m/s. It accelerates with a constant upward acceleration
1. 1 answer
2. 556 views
The life of a certain type of device has an advertised failure of rate .01 per hour. The failure rate is constant and the
1. 0 answers
2. 1,017 views
Of all 40-year-old women, 1% have breast cancer. If a woman has breast cancer, a mammogram will give a positive indication for
1. 0 answers
2. 489 views
The probability that patient recovers from a delicate heart operation is 0.9. What is the probability that exactly 5 of the next
1. 2 answers
2. 1,397 views
(sin(47))^2 + (cos(43))^2 =With the correct number of significant figures.
1. 1 answer
2. 470 views
How many sig figs does tan^-1(9/7) have?
1. 1 answer
2. 490 views
Rachel allows herself 1 hour to reach a sale appointment 50 mile s away. After she has driven 30 miles, she realizes that she
1. 1 answer
2. 516 views
9). Hooke’s Law. The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object.
1. 1 answer
2. 1,574 views
Which product is formed by beta emission from phosphorus -32? The atomic number of phosphorus is 15.A)28 Al 13 B)30 Al 13 C)32 S
1. 1 answer
2. 2,466 views
What is the pH of a solution in which [H30+] = 1.2 x 10^-3 M?A)1.20 B)2.92 C)11.08 D)12.80 E)8.33 x 10-12
1. 1 answer
2. 627 views
Which compound has a value of Ka that is close to 10^-5?A)NaCl B)HN03 C)CH3CH2C02H D)KOH E)NH3
1. 1 answer
2. 1,031 views
Which of the following is a weak acid?A)HN03 B)H3P04 C)NH3 D)C03^2- E)OH
1. 2 answers
2. 826 views
A gardener measures the tallest of his prize-winning sunflowers and finds that the height is 60 in. The sunflower was 52 in.
1. 4 answers
2. 1,710 views
Find the inverse function of F(x) = 2 arccosxF-1(x)=
1. 0 answers
2. 360 views
You are trying to overhear a juicy conversation, but from your distance of 16.0 , it sounds like only an average whisper of 20.0
1. 2 answers
2. 1,018 views
what is 907.457 rounded to the nearest tens place? How to get the answer.
1. 1 answer
2. 1,227 views
9 over y + 2 over 5 + 3 over 5y
1. 0 answers
2. 253 views
(2x-3)(4x squared-x-10)=8x cubed-14 squared+Bx=30
1. 1 answer
2. 402 views
What is the number of the highest harmonic that could be heard by a person who is capable of hearing frequencies up to 1.00×104
1. 0 answers
2. 455 views
Some argue that translation gains or loses are not important so long as they have not been realized and are only accounting
1. 0 answers
2. 782 views
In the Crucible what epithet did Giles Corey avoid by remaining silent?
1. 1 answer
2. 1,158 views
In the Crucible what epithet did Proctor fear was fraudulent?
1. 1 answer
2. 707 views
calculate the force of a 300,00 kg jumbo jet that is accelerating 0.4m/square just before takeoff
1. 0 answers
2. 442 views
calculate the acceleration of a 2000kg single -engine airplane just before takeoff when the thrust ofthe airplane ia 500N Using
1. 0 answers
2. 467 views

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