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2014
January
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January 30, 2014
Which of the following explains why sunlight is important to aquatic ecosystems?
Sunlight provides a source of heat energy to
77 answers
asked by
Princess Anna
19,533 views
I'm not sure how to solve this:
If 125 cal of heat is applied to a 60.0-g piece of copper at 20.0∘C , what will the final
15 answers
asked by
mysterychicken
16,185 views
A ball player catches a ball 3.33s after throwing it vertically upward.
a) with what speed did he throw it? b) what height did it
1 answer
asked by
Daniela
15,168 views
How do the principles of convection, conduction, and radiation explain how the water in the saucepan gets hot?
29 answers
asked by
Cindy
10,559 views
please check my answers.
Mrs. Walters drove 160 miles on 5 gallons of gas. How many gallons of gas will she need to travel 256
23 answers
asked by
annabelle
4,633 views
Which of the following determines the type of biome classification that will be made for a particular reason?
a. Climate* b. Size
20 answers
asked by
Maria
4,251 views
For what values of b is the expression factorable?
x^2 + bx + 12
4 answers
asked by
Anonymous
3,884 views
help pls asap!!!!! check my answers!!!
4.) A certain object has a volume of 25.0 mL and a mass of 100g. What is the density of
20 answers
asked by
TTR+S<3
3,842 views
1. Which of the following foods are exempt from the food labeling law?
*ready to eat foods as foods at a bakery, deli and/or
2 answers
asked by
Cassie
3,461 views
What is the mass of water that results from combining 2.0 g of hydrogen with 16.0 g of oxygen?
14.0 g (I'm thinking this.) 16.0 g
15 answers
asked by
Anonymous
3,395 views
A motorcycle stunt driver zooms off the end of a cliff at a speed of 30 meters per second. If he lands after 0.75
seconds, what
2 answers
asked by
Anonymous
3,298 views
the ratio to the number of mystery books to the number of science fiction books is 4:3
the ratio of the number of science fiction
8 answers
asked by
Anonymous
3,200 views
Phosphoric Acid is usually obtained at an 85% phosphoric acid solution, by mass. If this solution is 15 M, what is the density
2 answers
asked by
JL
3,129 views
Let g and h be any two twice-differentiable functions that are defined for all real numbers and that satisfy the following
2 answers
asked by
Rachel
3,006 views
the perimeter of a rectangular garden is 40 meters. the length of the garden is 1 meter less than twice its with. what are the
3 answers
asked by
taylor
2,753 views
Jerrod's bike has a tire diameter of 26 inches. How far will the bike travel in 100 rotations of its tires?
5 answers
asked by
Tom
2,576 views
1. How did the formation of the National Action Party change Mexican politics?
A.It ended the one-party system. B.It consolidated
36 answers
asked by
annabelle
2,372 views
Mr Townes created a 2foot wide garden path around a circular garden. The radius of the garden is 7 feet. He wants to cover the
3 answers
asked by
Sam
2,369 views
A particular MP3 encoder can convert 79.0 kilobytes (kb) of music per second from a typical music CD. How many minutes will it
1 answer
asked by
Katie
2,367 views
Which one of the following compounds is not a salt?
1. Ca(ClO4)2 2. Fe(NO3)3 3. Cr(OH)3 4. Na2SO3 5. KMnO4
3 answers
asked by
Gabriella
2,138 views
help pls!!! i am confused!! can you check to see if these are right!??
4. List all of the quadrilaterals with exactly one pair of
13 answers
asked by
TTR+S<3
2,071 views
Which of the following shows the correct order from coldest to hottest average annual temperature?
a.
6 answers
asked by
Marie
2,009 views
Granite is an igneous rock that forms from magma cooled below Earth's surface.Why would granite have larger crystals than
2 answers
asked by
Anonymous
1,910 views
A pronghorn antelope can travel 105 miles in 3 hours.if it continued at the same speed how far could a pronghorn travel in a 11
5 answers
asked by
mike
1,817 views
how many kilocalories of heat are released when 85g steam at 100 degrees C converted to ice at 0.
2 answers
asked by
Anonymous
1,783 views
Hi, can someone help me? What land biome has the lowest humidity? I guess Tundra. A tundra if I'm not mistaken. There were 4
2 answers
asked by
Hi
1,723 views
1. Which of the following foods are exempt from the food labeling law?
*ready to eat foods as foods at a bakery, deli and/or
1 answer
asked by
Cassie
1,705 views
How do the principles of convection, conduction, and radiation explain how the water in the saucepan gets hot?
Help ME PLEASE!
7 answers
asked by
Cindy
1,669 views
On an unknown planet, a pendulum of length 1.5 m swings with a period of 3.3 s. What is the acceleration of gravity on this
1 answer
asked by
Rachell
1,634 views
Write five equivalent ratios for each ratio.
18 to 8 ?
3 answers
asked by
Regan
1,633 views
Two point charges lie on the x axis. A charge of 6.2μC is at the origin, and a charge of -9.5μC is at x=10.0cm. What is the
1 answer
asked by
afton
1,601 views
5. The food label law is mandatory for the following foods:
a. ready-to-eat foods at a bakery, deli, and/or candy store b. most
3 answers
asked by
Cassie
1,588 views
How much time is needed for a car to accelerate from 8.0 m/s to speed of 22 m/s if the acceleration is 3.0 m/s^2?
1 answer
asked by
Anonymous
1,493 views
Explain why pentane has a significantly higher vapor pressure than 1-butanol?
1 answer
asked by
Jacky
1,468 views
Provide at least two modern examples of how the United States has increased its food production.
4 answers
asked by
rat
1,434 views
from a height of 40 m above sea level, two ships are traveling due west. the angles of depression are 45 degrees and 60 degrees.
1 answer
asked by
carlos
1,356 views
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not
1 answer
asked by
Sania
1,348 views
If I had borrowed 1500 for six months at 8.5% annual simple interest. How much I will have to repay at the end of six months
8 answers
asked by
seravyan
1,320 views
1 curry and 1 tea cost £4.
2 curries and 2 puddings cost £9. 1 pudding and 2 teas cost £2. What do you have to pay in total
1 answer
asked by
jessica
1,313 views
If 400 mL of 3.2 molar HCl solution is added to 300 mL of 2 molar NaOH solution, what will be the molarity of NaCl in the
2 answers
asked by
Gabriella
1,309 views
a__has a definite shape and a definite volume
4 answers
asked by
Anonymous
1,299 views
a 42 piece of ice at 0.0 C is added to a sample of water at 8.0 C. all of the ice melts and the temperature of the water
1 answer
asked by
Linda
1,259 views
A flywheel has a small magnet mounted on it. EAch time the magnet passes the coil, a voltage pulse is generated, which is passed
1 answer
asked by
Saraf
1,244 views
can anyone answer these 3 answers showing how your work.thanks
Mrs. Walters drove 160 miles on 5 gallons of gas. How many gallons
2 answers
asked by
annabelle
1,241 views
What are some real-life examples of exponential decay? Please help me think of some ideas...except radioactive decay.
1 answer
asked by
Anonymous
1,179 views
On October 1, 1956, The Diary of Anne Frank opened simultaneously in seven cities in Germany. At the end of the play, the
2 answers
asked by
Maria
1,174 views
Find an equation of the set of all points equidistant from the points
A(−2, 6, 3) and B(5, 3, −3)
1 answer
asked by
julide
1,171 views
1. The combination of sulfur dioxide, nitrogen oxide, and atmospheric moisture creates
A. drinking water. B. smog. C. pesticides.
7 answers
asked by
Beatrice
1,163 views
An athletes long jump rounded to the nearest metre was 8 m. What are the longest and shortest lengths the jump could have been
3 answers
asked by
Ann
1,137 views
A snowmobile moves according to the velocity-time graph shown in the drawing. What is the snowmobile's average acceleration
0 answers
asked by
Hope
1,087 views
A)A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.15 m/s at an angle of
1 answer
asked by
Teddy
1,081 views
if the 29th term of arithmetic series is double of 19th term then find the 9th term.
1 answer
asked by
Arpan
1,071 views
Which of the following substances is a liquid fuel used in rocket engines A. liquid oxygen
B. Ammonia c. potassium perchiorate D.
3 answers
asked by
Anonymous
1,060 views
Doctors use iodine-131 to treat some forms of cancer. The half-life of iodine-131 is 8 days. A patient receives a treatment of
7 answers
asked by
Anonymous
1,058 views
2. At the end of each year a self-employed person deposits $1,500 in a retirement account that earns 10 percent annually.
a) How
2 answers
asked by
shunda
1,057 views
An object is dropped from a platform100 ft high. Ignoring wind resistance, how long will it take to reach the ground?
1 answer
asked by
AS
1,029 views
Calculate the enthalpy change of formation for the following reactions using Hess's law, and the enthalpies of formation given
1 answer
asked by
BOB
1,018 views
50.0 mL of an HCl solution with a pH of 3.5 neutralizes 200.0 mL of a Ca(OH)2
solution. What is the molarity of the Ca(OH)2
1 answer
asked by
Gabriella
1,003 views
last year, 2713 teachers attended a technology conference. if there were 163 more men than women at the conference, how many men
2 answers
asked by
taylor
997 views
on a certain map,10 miles is represents 1.5 centimeters.what is the distance on the map that represents 40 miles?
2 answers
asked by
ivyjane
983 views
At noon on a clear day, sunlight reaches the earth\'s surface at Madison, Wisconsin, with an average power of approximately 1.00
1 answer
asked by
Clare
976 views
a 42 piece of ice at 0.0 C is added to a sample of water at 8.0 C. all of the ice melts and the temperature of the water
0 answers
asked by
Linda
969 views
Does sound travel faster in wood or water?
2 answers
asked by
Anonymous
954 views
solve for d if ddd base 5 = 124
1 answer
asked by
lou
951 views
in a gasoline engine, the area in the cylinder head where the air-end and-fuel mixture is burned is called the A. piston B.
2 answers
asked by
Anonymous
943 views
A rock thrown straight up climbs for 4.24 s, then falls to the ground. Neglecting air resistance, with what velocity did the
1 answer
asked by
Coya
938 views
Dru is challenged by her geometry teacher to estimate the height of the school flag pole without measuring. She decided to walk
1 answer
asked by
jan
920 views
THE PERIMETER OF A RECTANGULAR GARDEN IS 40 METERS. THE LENGTH OF THE GARDEN IS 1 METER LESS THAN TWICE ITS WIDTH WHAT ARE THE
1 answer
asked by
taylor
916 views
liquid alcohol will change to vapor when its temperature reaches the A. boiling point B. fusing point C. freezing point D.
1 answer
asked by
Alice
915 views
An athletes long jump rounded to the nearest metre was 8 m. Whar are the longest and shortest lengths the jump could have been
2 answers
asked by
Ann
912 views
if sin and sec of theta are less than zero what quadrant is it in
2 answers
asked by
Anonymous
873 views
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not
0 answers
asked by
Sania
871 views
prove tan (theta/2)= (sin(theta))/(1+cos(theta))for theta in quadrant 1 by providing the calculation along with the reason.
I
1 answer
asked by
LIZZIE
859 views
A math teacher wishes to use groups of 5 and/or 7 students for a class assignment. When she tries to make assignments she
2 answers
asked by
David
858 views
Microprocessing chips are randomly sampled one
by one from a large population, and tested to determine if they are acceptable for
0 answers
asked by
BRARSAAB
856 views
1. For this assessment, explicityly state the five steps of a simulation and carry out the simulation. Use the random digit
0 answers
asked by
Helen
849 views
If the ball is in equilibrium when the string
makes a 43◦ angle with the vertical as indicated, what is the net charge on the
0 answers
asked by
Anonymous
847 views
A rectangular yard measuring 30ft by 35ft is bordered (and surrounded) by a fence. Inside, a walk that is 4ft wide goes all the
1 answer
asked by
John
835 views
An office heater puts out 2070 Btus (British thermal units) of energy in the form of heat per hour. Given that 1 Btu = 1.055 kJ,
2 answers
asked by
Cain
810 views
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not
0 answers
asked by
Sania
810 views
A spoke on a wagon wheel is 2 feet long. What is the circumference of the wagon wheel to the nearest tenth of a foot?
4 answers
asked by
Anonymous
809 views
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not
0 answers
asked by
Sania
802 views
The white house, built 1792, is the oldest federal building in washington DC . The building has undergone extensive remodeling
1 answer
asked by
Nick
794 views
A merry-go-round has a circumference of 15 feet. What is the radius of the merry-go-round to the nearest tenth of a foot?
1 answer
asked by
Anonymous
781 views
A rubber ball is dropped from height h. It bounces 27" (60%). Write an equation you can use to find height h
1 answer
asked by
Jeanne
777 views
What is the mass of sodium nitrate NaNO3 that you would need to add to 250 g of water in order to prepare a solution that is
0 answers
asked by
Mike
774 views
Tanya has 4 red marbles, 7 blue marbles, and 8 green marbles. Which expression can be used to find the percent of Tanya's
1 answer
asked by
Paige
767 views
If a line is extended from A (2,3) through B ( -2, 0 ) to a point so that AC = 4ab Find the coordinates of C
Please help thanks
1 answer
asked by
Joy
754 views
A spring (k=80n/m) lies on a frictionless table, one end connected to the wall, the other to a 4kg block. The block is pulled,
0 answers
asked by
Amina
749 views
: Cost of machine $ 90,400 Residual value $ 3,400 Useful life 5 years Estimated units machine will produce 100,000 Actual
0 answers
asked by
Anonymous
740 views
The volume of a sphere is given by V=(4/3)3.14r^3, where r is the radius. Compute the volume of a sphere with a radius of 329pm.
1 answer
asked by
Cain
740 views
Excess body fat may cause...
Answer choices: 1. diabetes, lack of stored energy, stroke, and heart disease. 2. lack of organ
3 answers
asked by
Elina
740 views
If the absolute temperature of gas is 600K, the temperature in degrees celsius is A.273 b.705c
1 answer
asked by
Alice
737 views
A basket weighing 0.3kg is suspended from two ropes which are tied to a horizontal beam. The rope on the left is at an angle of
1 answer
asked by
irvin
727 views
Heat from burning fuel warms the walls of the firebox section of the furnace in A.a hot heating system B.an evaporation system
1 answer
asked by
Anonymous
726 views
Moving a charge from point A, where the potential is 370V , to point B, where the potential is 190V , takes 4.1×10−4J of
0 answers
asked by
Phil
721 views
I still don't know how to directly solve this problem. Can someone guide to solve this system of equation by using the
3 answers
asked by
Anonymous
713 views
the perimeter of a rectangular garden is 40 meters. the length of the garden is 1 meter less than twice its with. what are the
2 answers
asked by
taylor
713 views
How many moles of NaOH will it take to neutralize 0.77 L of 0.81 M HCl?
Answer in units of mol
1 answer
asked by
Gabriella
713 views
So who exactly answers any homework questions I have for school? IM just wondering ya'know?How reliable are the answers?
~fanofch
4 answers
asked by
ilikezackalot
712 views
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