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What are the defining characteristics of the Ratio Level of Measurement?
1. 1 answer
2. 692 views
Are these right?!Absolute value : 1. |x^2-2x+16|=8 x=-4 x=-3 x=-2 x=2 2.|3x-2|=7 x=5\3 x=3 3. |3x+2|+3=0 x= -5/3
1. 2 answers
2. 930 views
What are the long term and short term effects of credit and debt?
1. 1 answer
2. 496 views
wheels are 1.25 inches in diameter and the fastest speed is 3ft/second maximum distance to travel is 16 x (18cm)
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2. 393 views
Carlos goes to a local deli for lunch and orders a sandwich. He needs to choose a bread, a meat, a vegetable, a cheese, and a
1. 3 answers
2. 497 views
A study was conducted in order to estimate u, the mean number of weekly hours that U.S. adults use computers at home. Suppose a
1. 2 answers
2. 923 views
How large a sample of U.S. adults is needed in order to estimate U with a 95% confidence interval of length 1.2 hours?
1. 2 answers
2. 729 views
Individuals in a market who must take the market price as given are?
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2. 364 views
1. A 500.0 g metal block absorbs 1.125 × 104 J of heat to raise its temperature by 50.0 K. What is the substance?
1. 2 answers
2. 3,126 views
If you increase the distance between two identical point charges so that the new distance is five times the original distance,
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2. 1,699 views
Before a nuclear reaction, there is 0.01000 kg of uranium. After the nuclear reaction, there is 0.00950 kg of uranium. How much
1. 0 answers
2. 475 views
Two objects are near a bar magnet. One is about 1 cm away, while the other is 6 cm away. Compare and contrast the magnetic force
1. 0 answers
2. 504 views
The minimum frequency for the photoelectric effect of a zinc plate is 9.7 × 1014 Hz. What will be the kinetic energy of an
1. 1 answer
2. 2,457 views
Two objects are near a bar magnet. One is about 1 cm away, while the other is 6 cm away. Compare and contrast the magnetic force
1. 1 answer
2. 661 views
A coil with an area of 0.10 m2 is in a magnetic field of 0.20 T perpendicular to its area. It is flipped through 180° so that
1. 1 answer
2. 1,736 views
A straight 1.2 m length iron rod is moved at 10 m/s through the earth's magnetic field at a location where it has magnitude 1.0
1. 1 answer
2. 1,218 views
A wire loop has an area of 0.12 m2, and the magnetic field through it increases from 0 to 0.20 T in 0.30 s. What is the induced
1. 1 answer
2. 1,667 views
According to Boyle's law, the volume V of a gas at a constant temperature varies inversely with the pressure P. When the volume
1. 1 answer
2. 865 views
current through a device is 0.30 A, and the resistance in the device is 40 Ù. How many 1.5 V batteries are required to run the
1. 1 answer
2. 2,758 views
each resistor in the circuit shown is 5.0 Ù, and the battery is 12.0 V, what does the second ammeter (A2) read?
1. 1 answer
2. 1,356 views
A boy drops a 0.10 kg stone down a 150 m well and listens for the echo. The air temperature is 20°C. How long after the stone
1. 1 answer
2. 1,074 views
The strength of an electric field at 5.0 cm from a point charge is 100.0 N/C. What is the magnitude of the source charge? Show
1. 1 answer
2. 621 views
Calculate the force between a +5 µC test point charge and this source charge at a distance of 2.00 cm. (µC = 1.0 × 10–6 C)f
1. 1 answer
2. 421 views
A 5.0 µC point charge is moved within an electric field and has an electric potential energy change of 10.0 J. What is the
1. 1 answer
2. 5,842 views
If the test charge were moved closer to the source charge, would the change in its potential energy be positive, negative or
1. 1 answer
2. 823 views
Calculate the force between a +5 µC test point charge and this source charge at a distance of 2.00 cm. (µC = 1.0 × 10–6 C)
1. 1 answer
2. 521 views
A 5.0 µC point charge is moved within an electric field and has an electric potential energy change of 10.0 J. What is the
1. 1 answer
2. 895 views
The strength of an electric field at 5.0 cm from a point charge is 100.0 N/C. What is the magnitude of the source charge? Show
1. 3 answers
2. 2,040 views
Determine the total amount of interest you will pay over the next 3 months on a credit balance of $725 if your credit card has
1. 2 answers
2. 594 views
When a mixture of sulfur and metallic silver is heated, silver sulfide is produced. What mass of silver sulfide is produced from
1. 1 answer
2. 1,243 views
A spinner is divided into 20 equal sections and are numbered 1 through 20.What is the probability of the spinner's pointer
1. 1 answer
2. 1,923 views
In 2004, your family bought a new car for $15,000. Each year the value of the car is decreasing approximately 15% per year. Your
1. 1 answer
2. 1,022 views
which of the following is a simple sentence? a)karen and david arrived at the airportat 3:35pm and took a taxi to their hotel
1. 1 answer
2. 414 views
A TV pollster believes that 75% of all TV households would be tuned in to Game 6 of 1997 NBA Championship series between the
1. 0 answers
2. 1,168 views
$1000 in a savings bond on the day you were born. The bond pays 6% interest compounded annually. How much is it worth in 18 yrs?
1. 1 answer
2. 996 views
A TV pollster believes that 75% of all TV households would be tuned in to Game 6 of 1997 NBA Championship series between the
1. 1 answer
2. 614 views
You invest $7,000 in a two-year CD. At the end of the 2 years, you receive $8,331.97. Assume you left the first year' s interest
1. 1 answer
2. 424 views
The time it takes Jessica to bicycle to school is normally distributed with an average of a third of an hour and a variance of 9
1. 1 answer
2. 716 views
An agricultural economist is interested in determining the average diameter of peaches produced by a particular tree. A random
1. 1 answer
2. 658 views
the dean of admissions in a large university has determined that the scores of the freshman class in a mathematics test are
1. 1 answer
2. 1,127 views
You have a 2.00 kg block of lead. Lead melts at 327.5°C. CPb = 130.0 , and ï�„Hf for lead is 2.04 Ã— 104 J/kg. Say you
1. 2 answers
2. 2,498 views
A 500.0 g metal block absorbs 3.25 × 103 J of heat to raise its temperature by 50.0 K. What is the substance?Please show steps
1. 1 answer
2. 1,050 views
3. A 0.200 kg air-track glider moving at 1.20 m/s bumps into a 0.600 kg glider at rest.a.) Find the total kinetic energy after
1. 1 answer
2. 1,263 views
The Robinsons decide they would rather purchase the $85,000 home. Their bank requires a 5% down payment to be paid to the seller
1. 1 answer
2. 665 views
Calculate the number of moles in each of the following:0.150 g of salicylic acid 0.30 mL of acetic anhydride (density = 1.08
1. 1 answer
2. 633 views
how to find the volume when two figures are used?
1. 0 answers
2. 278 views
A girl places a stick at an angle of 60.0° against a flat rock on a frozen pond. She pushes at an angle and moves the rock
1. 2 answers
2. 1,054 views
A man weighing 700 N lifts a 50.0 N object 2.0 m high. He uses a lever and with a force of 10.0 N. What is the resistance force
1. 2 answers
2. 2,890 views
A rowboat passenger uses an oar to push the boat off the dock by exerting a force of 60.0 N for 2.0 s. What impulse acts on the
1. 1 answer
2. 690 views
Suppose that the mean score of an exam was 77 when taken 30 students took it on time with a standard deviation of 2. A makeup of
1. 1 answer
2. 504 views
Suppose that the mean score of an exam was 77 when taken 30 students took it on time with a standard deviation of 2. A makeup of
1. 0 answers
2. 498 views
A 44 kg child jumps off a 2.2 kg skateboard that was moving at 8.0 m/s. The skateboard comes to a stop as a result. Find the
1. 5 answers
2. 1,639 views
Explain why a rapidly spinning gyroscope, mounted in a frame that allows it to rotate in any direction independently of the
1. 2 answers
2. 3,394 views
A 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. Find the momentum change of the
1. 2 answers
2. 2,195 views
How many years would it take for money to triple in value at 20% per year simple interest?
1. 0 answers
2. 391 views
simplify and reduce this fraction21m/11m+12 - 10m-12/11m+12
1. 2 answers
2. 506 views
Summarize two observations that are contrary to the predictions based on Newton’s laws but that confirm Einstein’s
1. 0 answers
2. 1,234 views
A 6.0 kg block of ice rests on a surface that is tilted by = 12°. Find the acceleration of the block ignoring any friction.
1. 1 answer
2. 1,317 views
A ball is thrown horizontally from a platform so that the initial height of the ball is 6.0 m above the level ground below. The
1. 1 answer
2. 1,209 views
A ball is thrown horizontally from a platform so that the initial height of the ball is 6.0 m above the level ground below. The
1. 1 answer
2. 1,071 views
You drive your car 2 km to the gas station, 4 km to the shopping mall to let your mother off, and 4.5 km back home. The trip
1. 3 answers
2. 2,476 views
Cheryl runs a race on a 400.0 m circular track. She starts running east of the starting line and then circles the track and
1. 1 answer
2. 2,475 views
A car travels 10.0 m/s. What is its velocity in km/h?
1. 1 answer
2. 905 views
A 70.50 kg man rides a Ferris wheel with a radius of 10.3 m at a velocity of 5.00 m/s. What is the centripetal force that she
1. 2 answers
2. 1,679 views
Why are there two possible answers to an absolute value equation?
1. 2 answers
2. 704 views
A 12 kg barrel is pulled up by a rope. The barrel accelerates at 1.2 m/s2. Find the force exerted by the rope. Show all your
1. 0 answers
2. 659 views
A bicyclist is coasting down a road that is sloped downward at an angle of 8°. The bicycle and bicyclist have a total mass of
1. 1 answer
2. 1,917 views
Is the square root of 362-a real number, irrational number, rational number, integer, whole number and or counting number?
1. 1 answer
2. 636 views
Urn I and urn II each have two red chips and two white chips. Two chips are drawn simultaneously form each urn. Let X1 be the
1. 0 answers
2. 750 views
to settle an argument.. is it correct to hyphenateShe will be placed into a short-leg walking cast? I say yes! Thank you !
1. 1 answer
2. 447 views
Similarly, on the left ear, the eardrum, itself, did not appear infected and we simply talked about watching the number of
1. 1 answer
2. 415 views
I have asked her family to let me discuss this with our cochlear implant team to see if this would be a reasonable option from
1. 1 answer
2. 404 views
She does need preferential seating in the front of her classes, which she is not getting in history currently.Is "history"
1. 1 answer
2. 524 views
Referring to the figure below (not to scale), the perimeter of the rectangle is 48. The length of the rectangle is W + 6, where
1. 1 answer
2. 503 views
March 3 Inventory units 60 per unit $1,500 total $90,000March 8 Purchase 120 units $1,800 per unit total $216,000 March 11 Sal
1. 1 answer
2. 443 views
How much heat must be added to turn 3 grams of water at 100°C into a vapor and what will be the final temperature after this
1. 0 answers
2. 512 views
How is potiential evaporation measured?
1. 0 answers
2. 302 views
Calculate the work done by non conservative forces of a hockey stick hitting a tennis ball using elastic potential energy, and
1. 0 answers
2. 565 views
I am so tired of seemingly educated students not knowing how to form complete sentences or spell. If you really want to make an
1. 1 answer
2. 885 views
A 4-in. by 6-in. drawing is enlarged to put on a poster that measures 20 in. by 24 in. What are the dimensions of the largest
1. 4 answers
2. 784 views
I need to be able to label all parts of battery
1. 1 answer
2. 915 views
You have a series of four chemical reactions (1 2 3 4). How do you calculate the H2 if you know the other H values?
1. 0 answers
2. 396 views
Two hundred grams of a substance requires 0.52 kJ of heat to raise its temperature from 25°C to 45°C. q = mCT. Mass (m) is in
1. 0 answers
2. 999 views
What is the change in enthalpy when 250 g of steam condenses at 100oC? (Hv = 40.67 kJ/mol)
1. 1 answer
2. 1,080 views
A hexane solution contains as impurities 5.2% (by mass) hepatne and 2.9% (by mass) pentane. Calculate the mass of each component
1. 4 answers
2. 1,159 views
How total was the transformation brought about by the industrial revolution?
1. 1 answer
2. 883 views
For the set X={m,n.p,q,r,s}, let R be the relation on P(X) (power set) given by A R B iff A and B have the same number of
1. 1 answer
2. 1,470 views
What would be the risk od a young healthy person choosing a managed care plan,
1. 0 answers
2. 1,047 views
Use the Generalized PMI to prove:2^n > n^2, for all n > 4 First of all, it's true for n=5. Then to prove it for n+1... Assume
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2. 505 views
Prove that if x ∉ B and A ⊆ B, then x ∉ A.
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2. 335 views
make a journal entry received cash for 1600 frome customer for rent from dec 2009 through mar 2010 I have more room than I need
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2. 381 views
Which of the following can be amphoteric?A) Cl¯ B) H3O+ C) HPO4¯ D) PO4¯³ E) HCl
1. 1 answer
2. 735 views
A fire fighter is standing 20 m from a burning building as shown. She is holding a fire hose 1 m from the ground directed upward
1. 1 answer
2. 514 views
polynomialwith h+vt-4.9^2 50 meters high 30 meters per sec. what is height after 2 sec.
1. 3 answers
2. 543 views
why is it necessary for water, carbon, nitrogen and oxygen to be recycled through the earth's ecosystem?
1. 0 answers
2. 470 views
Alright I'm writing an MLA Essay about Through The Looking-Glass, a sequel to Alice's Adventures in Wonderland by Lewis Carrol.
1. 7 answers
2. 538 views
4.0 gram of ferrous ammonium sulphate, FeSO4*(NH4)2SO4 * 6H2O, is used. Since the oxalate is in excess , Calculate the
1. 0 answers
2. 1,044 views
given one point on the graph(-2/3,(2,5) and the slope, m=-3, develop an equation in te slope intercept format
1. 1 answer
2. 383 views
given order pairs (-4,-2) and (-1,-5), develop an equation in the slope intercept formatfirst solve for the slope (m) then in
1. 2 answers
2. 385 views
Calculate the theoretical amount of CaCl2 that would be required to change the temperature of 50 mL of water from from
1. 0 answers
2. 635 views

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