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May 1, 2012
What would be a probable explanation for why there are many endemic plants and birds in new Zealand, but no native mammals?
A.
8 answers
asked by
Tana
7,673 views
A 5.0 cm diameter coil of 20 turns with a resistance of 0.50 Ù is in a time-varying magnetic field which is perpendicular to
1 answer
asked by
MPHO
7,585 views
Find the volume of the given prism round to the nearest tenth if necessary.
has 14yd twice on one end and 14yd on the other end
8 answers
asked by
lilman
5,008 views
a ball rolls down a roof that makes an angle of 30 to horizontal.it rolls off the egde with a speed of 5.00m/s.distance to the
3 answers
asked by
sandhya
3,557 views
Find the volume of the solid obtained by rotating the region bounded by
y=4x^2,x=1,y=0 about the x-axis.
2 answers
asked by
cjones
3,340 views
3 boys or 5 girls can clean a compound in 8 hours. in how many hours will 2 boy 2 girls clean the same compound
1 answer
asked by
MAJUMDER
2,898 views
Gaseous butane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 16.9 g of butane is
1 answer
asked by
jake
2,828 views
What is the exact value of 11pi/8? (with steps please) :)
5 answers
asked by
Anonymous
2,799 views
How much of a 60% orange juice drink must be mixed with 30 gallons of a 10% orange juice drink to obtain a mixture that is 50%
1 answer
asked by
Alex
2,614 views
Problem 2.
THE PROBABILITY THAT A RANDOMLY CHOSEN SALES PROSPECT WILL MAKE A PURCHASE IS 0.20. IF A SALESMAN CALLS ON SIX
1 answer
asked by
siddhi
2,601 views
solve the equation: 4 tan^2 x + 12 sec x +1 =0, for 0 degrees is less than or equal to x is less than or equal to 360 degrees.
1 answer
asked by
lindsay
2,521 views
Round 52.23 (with a repeater over the .23) to five decimal places?
8 answers
asked by
Simone
2,403 views
A cone with a radius of 3 inches has a total area of 24 pi sq in. Find the volume of the cone.
2 answers
asked by
April
2,388 views
Anita and Maria went to the candy store. Maria bought 5 pieces of fudge and 3 pieces of bubble gum for a total of $5.70. Anita
1 answer
asked by
jorge
2,384 views
What is the enthalpy change for the reaction between a weak acid and a strong base given the concentration of the acid and the
0 answers
asked by
Sarah
2,368 views
caleb and winona both travel by car to their friend's home. The distance winona traveled was 124 miles less than twice the
5 answers
asked by
Allan
2,201 views
Erika is painting her living room. The room measures 10.5 feet by 11.5 feet. The ceiling is 10 feet high. What is the wall area
5 answers
asked by
please help me!!
2,110 views
Find the surface area of the cylinder in terms of pi.
I know the formula is SA=LA+2B, but not sure how to plug in the numbers and
2 answers
asked by
lilman
2,108 views
One method for measuring the speed of sound uses standing waves. A cylindrical tube is open at both ends, and one end admits
1 answer
asked by
chelsea
2,082 views
1. You mix the letters S, E, M, I, T, R, O, P, I, C, A, and L thoroughly. Without looking, you draw one letter. Find the
6 answers
asked by
uijo
1,950 views
What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 mL of 0.75M
2 answers
asked by
Emily
1,811 views
a study is undertaken to determine the proportion of industry executives who believe that worker's pay should be based on
2 answers
asked by
Anonymous
1,790 views
1. You mix the letters S, E, M, I, T, R, O, P, I, C, A, and L thoroughly. Without looking, you draw one letter. Find the
8 answers
asked by
NIKE
1,720 views
Find the missing measure for a right circular cone given the following ... Find h if r = 5 and V = 100 pi.
2 answers
asked by
April
1,682 views
Find the volume of a square with base edges of 24cm and a slant height of 37cm
possible choices 192cm^3 (my choice) 20,160cm^3
4 answers
asked by
lilman
1,608 views
A 55.0-mg sample of Al(OH)3 is reacted with 0.200M HCl. How many milliters of the acid are needed to neutralize the Al(OH)3.
2 answers
asked by
Emily
1,525 views
The Pew Research Center recently polled n= 1048 U.S drivers andfound that 69% enjoyed driving their automobiles.
(a) Construct a
1 answer
asked by
Cassandra
1,481 views
Which of the following compounds contains 57.5% sodium by mass?
*NaI *NaOH *NaHCO3 *NaSO3
2 answers
asked by
Mark
1,475 views
Arman walks to the train station at 5 Km/h. He misses his train by 1 min. If he had run at 10 Km/h, he would have had 2 min to
1 answer
asked by
Charu
1,403 views
The author of a book was told that he would have to cut the number of pages by 21% for the book to sell at a popular price and
2 answers
asked by
Anonymous
1,399 views
Given trapezoid MNOP with a median QR, find the value of x
MN=x+2,OP= 3x-10, median 16
1 answer
asked by
Anonymous
1,396 views
Hamilton / Jefferson Readings Quiz
1. Alexander Hamilton thought that having a virtuous citizenry was a necessity in a Repulic.
2 answers
asked by
eric
1,377 views
ABCD is a quadrilateral in which AB parallel DC and AD=BC.prove that (1)angle A + angle C=180 degree= angle + angle D (2)AC=BD
0 answers
asked by
MAJUMDER
1,369 views
Another term for capitalist system is ..?
My answer: market economy But at the same time I think it's laissez-faire system!
0 answers
asked by
Anonymous
1,368 views
Express the infinite series below using sigma notation and then find the sum.
64 + 40 + 25 + 15.625... Any explanation would be
1 answer
asked by
Trisha
1,337 views
The heights h of two-thirds of the members of a population satisfy the inequality |h-68.5/2.7|≤1 where h is measured in
5 answers
asked by
cher
1,332 views
: an airline offers discounted advanced purchase fares to customers who buy tickets more than 30 days before travel and charges
1 answer
asked by
sarah
1,317 views
you are trying to dissolve 5 grams of sugar in 1 L of water. The sugar will not dissolve fast enough. Explain how you can
2 answers
asked by
bkue
1,297 views
Balance the following equation in acidic conditions.
S2O3^2- +Cu ^2+ > S4O6^2- +Cu^+
2 answers
asked by
Joshue
1,282 views
John has a credit card with a 18% rate and uses the average daily balance method. His average daily balance was $285.26, he made
0 answers
asked by
Jasona
1,274 views
Calculate ΔG for this reaction under the following conditions (assume an uncertainty of ±1 in all quantities). Assume that
2 answers
asked by
Sarah
1,273 views
A geologist removes a sample of water from a lake in Nevada where the water level has been slowly dropping over time. The sample
0 answers
asked by
Jematormal91
1,253 views
Write the following as a sum and/or difference of logarithms
log((∛x^2+1)/(x^2-1))
1 answer
asked by
Josh
1,218 views
The average height of members of the high school basketball team is six feet, three inches. Jerry is on the high school
1 answer
asked by
kimyatta
1,217 views
Really need help with my science homework
Name and briefly define each of the three energy roles organisms can play in an
2 answers
asked by
Morgan
1,216 views
Find the independent clauses and the dependent clauses.Write wether it is complex or compound-complex
1)Mr and Mrs Johnson play
9 answers
asked by
joe
1,200 views
Express the infinite series below using sigma notation and then find the sum.
64 + 40 + 25 + 15.625... Any explanation would be
0 answers
asked by
Bob
1,189 views
x+(5+y)=(x+5)+y what property is illustrated by the equation?
2 answers
asked by
mischelle
1,188 views
An ice cream server fills a cone, which is 15.7 cm high and 7.2 cm across, with ice cream. She then tops the cone with a nicely
1 answer
asked by
Piggy
1,173 views
How do you prepare 2% Cu S04? How does this solution differ from 2M CuS04?
I am stumped. Thank you. Deb
6 answers
asked by
Debbie
1,168 views
Material prosperity had an enormous impact on American society after WWII. What was it like for a suburban middle class husband
1 answer
asked by
Anastasia Bernet
1,149 views
Why does a government place price ceilings, such as rent control, on some "essential" goods?
C. am I right? A. to prevent the
2 answers
asked by
Anonymous
1,148 views
A clerk can file cards at the rate of 120 cards per hour. He has a total of 900 cards to file. How many cards remain to be filed
1 answer
asked by
Anonymous
1,133 views
jonathan bought 12 pencils. he gave his brother 1/2 of the pencils and gave his friend 1/4 of the pencils. how many pencils did
1 answer
asked by
Lawrence
1,127 views
4 points A,B,C and D are situated in a 3-dimensional space. In a certain spot, the coordinates of A, C and D are known:
A(1,1,1)
0 answers
asked by
Raf
1,126 views
Pure ethanoic acid (25.0cm3, CH3COOH), pure ethanol (35.0 cm3, C2H5OH) and pure water (20.0cm3, H2O) were mixed in a sealed
2 answers
asked by
Henry
1,125 views
What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 mL of 0.75M
1 answer
asked by
Emily
1,107 views
A ferris wheel has an axle standing 38m off the ground and a radius of 35m. The wheel takes 5 minutes to complete one
2 answers
asked by
Raina
1,100 views
A wooden cube with a specific gravity of 0.90 and side length 0.120 m is placed into a
bucket of water and floats upright with
1 answer
asked by
Anonymous
1,093 views
Why was Arthur Vandenburg known as the father of bipartisan foreign policy?
2 answers
asked by
Kourtney
1,085 views
Customer Cal is one of Danny's regulars.He ate at the diner on Wednesday.He ordered the daily specialy,macaroni and cheese, for
3 answers
asked by
Colton
1,078 views
adverbs
direction make each sentence more specific by adding an adverb from the box or an adverb of yur own. write the new
4 answers
asked by
dw
1,074 views
What is the solution to the rational equation x / 2x + 1 + 1 / 4 = 2 / 2x + 1?
1 answer
asked by
Billy
1,072 views
If anyone has read/heard about the books "The Namesake by Jhumpa Lahiri" and "The Writing on my Forehead by Nafisa Haji", can
1 answer
asked by
Labz
1,063 views
1.)Find the PH of a solution with 0.20M NH3 with 0.15M of NH4Cl.
2.)Find PH of a solution with a mixture of 200mL of 0.50M HCHO2
1 answer
asked by
Chem help me!
1,048 views
Why do public goods demonstrate the limitations of a free market economy?
A. They allow consumers to make all of the economic
1 answer
asked by
Anonymous
1,044 views
Name an object, person, place, or action that you could use to symbolize each of the following. Remember a symbol and the thing
5 answers
asked by
please help me!!
1,035 views
A does 8/15 of a work in 8 days and the remaining work is finished with the assistance of B in 4 days . how long will B take to
1 answer
asked by
MAJUMDER
1,021 views
A factory’s worker productivity is normally distributed. One worker (worker 1) produces an average of 75 units per day with a
1 answer
asked by
SB
1,015 views
Gaseous butane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 16.9 g of butane is
0 answers
asked by
jake
1,002 views
About how fast will it be traveling on average? Assume that its trajectory is close to a straight line. Give your answer in {\rm
1 answer
asked by
Kevin
982 views
4. Engineers for the Off Road Skateboard Company have determined that a 10% increase in all inputs will cause output to increase
1 answer
asked by
jordan
979 views
2Na+F2=2NaF
if 20.0 g of sodium is used what mass of sodium fluoride could be produced assuming that fluorine gas is unlimited
1 answer
asked by
megan
973 views
which of the following is not a driving force for a chemical reaction?
2 answers
asked by
Anonymous
960 views
I can't figure out these brain teasers:
i.e.point act char er ILL GET IT
2 answers
asked by
Anna
951 views
A bullet of mass 11.2 g is fired into an initially stationary block and comes to rest in the block. The block, of mass 1.01 kg,
1 answer
asked by
Anonymous
945 views
Fred and Zuma Palermo contacted Colorado Carpet Installation, Inc., for a price quotation on providing and installing new
1 answer
asked by
me
944 views
Suppose that in a certain basis B = (x,y,z), vector u is: u = 2x+3y-z. Find a unit vector with the same direction as u.
Thank you
2 answers
asked by
Victoria
940 views
I need help. I have to pick a song to sing and it has to match with my voice. So far I narrowed it down to
2 answers
asked by
Hailey
937 views
Use grid paper to graph the triangle with vertices (1,3) (1,5) (3,4).Then sketch its reflection.
0 answers
asked by
Lourdes
934 views
Some say love, it is a river that drowns the tender reed.
What do you think this means?
3 answers
asked by
please help me!!
916 views
Ralph,who is a student,also has a part-time job.
1)What is the independent clause in this sentence? also has a part-time 2)What
8 answers
asked by
joe
903 views
a can of soda at 80 F is placed in a refrigerator that maintains a constant temperature of 37 F the temperature T of the soda t
1 answer
asked by
chris
897 views
Write a quadratic equation in the variable X. Write in standard form: ax^2+bx+c=0 using 3 as the only solution.
Cheers!
3 answers
asked by
Angela
896 views
Suppose you drop a ball into the ocean in a place where there is no current. Will waves move the ball quickly away, or will it
0 answers
asked by
Anonymous
888 views
The mean attendance at a ball game was 120. The median attendance was125.what was the total attendance if the team played 20
1 answer
asked by
Cherie
875 views
Which of the folling sentences advocates an idea in a positive way?
1 answer
asked by
Anonymous
869 views
If room temperature is 70 degrees farenheit,what is kelvin?____
4 answers
asked by
brent k
862 views
In a coffee cup calorimeter 70.0 mL of 0.100 M AgNO3 and 70.0 mL of 0.100 M HCl are mixed to yield the following reaction.
Ag+(aq
1 answer
asked by
Sarah
861 views
When a 82.0 kg. person climbs into an 1800 kg. car, the car's springs compress vertically 1.7 cm. What will be the frequency of
4 answers
asked by
coleman
854 views
x^2 + 14x - 4 = 0 Solve please?
4 answers
asked by
Maria1
852 views
"central park is 5 meters longer than it is wide. The area is 2250 square meters. find the length of the park"
1 answer
asked by
Ever
849 views
2C2H6+702=4CO2+6H20
how many grams of oxygen are required to completely burn60.0g ethane (C2H6) show work Using the above
1 answer
asked by
megan
848 views
Mg(ClO32=MgCl2+3O2
12.omolMg(ClO3)2produces molMgCl2and MolO2 3.00 molofMg(ClO3)2produces what mass of O2
1 answer
asked by
megan
840 views
Verify the Identity:
(Tanx + 1)/(secx + cscx) = sinx
2 answers
asked by
CLF
833 views
Name the point of intersection for the following system, if it exists.
4x – 3y = -3 3x – y = -6
1 answer
asked by
henry
830 views
Has anyone read the poem the "Passenger Pigeon" by Paul Fleischman? This poem is a concrete poem and I need to answer the
3 answers
asked by
Cherie
828 views
Ethane, C2H6, has a molar heat of vaporization of 15kJ/mole. How many kilojoules or energy are required to vaporize 5 g of
1 answer
asked by
Ambra
813 views
Susan makes $20,504 annually. What is the maximum monthly rent that she can afford to pay?
5 answers
asked by
please help me!!
806 views
Find the missing measure for a right circular cone given...Find r if T.A.= 12 pi and L.A = 8 pi.
0 answers
asked by
April
803 views
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