Questions Asked on April 18, 2007

the sum of a number and 3 times that number is 76. what is that number?PLEASE HELP ME I DON'T GET IT!!!!!!!! Mathematics is a
1. 1 answer
2. asked by Rebekka
3. 2,814 views
I need to prove that the following is true. Thanks(2tanx /1-tan^x)+(1/2cos^2x-1)= (cosx+sinx)/(cosx - sinx) and thanks
1. 1 answer
2. asked by abdo
3. 2,632 views
owns a dog whose barking annoys 's neighbor Jane. receives personal benefit from owning the dog, and Jane bears a cost of 's
1. 1 answer
2. asked by Econ
3. 2,601 views
An electric motor turns a flywheel through a drive belt that joins a pulley on the motor and a pulley that is rigidly attached
1. 1 answer
2. asked by Anderson
3. 2,495 views
Which pulmonary volumes would change during exercise and which will not? Explain how AND why they would change.1.) Tidal Volume
1. 1 answer
2. asked by JYD
3. 1,415 views
( tanx/1-cotx )+ (cotx/1-tanx)= (1+secxcscx)Good one! Generally these are done by changing everything to sines and cosines,
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2. asked by mo
3. 1,353 views
Posted on April 12.From the information below, identify element X. a. The wavelength of the radio waves sent by an FM station
1. 1 answer
2. asked by Gabriela
3. 1,241 views
A student goes fishing in the bay.He catches a few fish and dicides to put them with other fish in a small fishpond behind his
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2. asked by hot stuff
3. 1,194 views
How did ancient texts and statues affect Renaissance scholars?Renaissance means rebirth. During the Renaissance scholars studied
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2. asked by T
3. 1,171 views
Tides are caused by the Moon and Sun. So, they last forever.natural resources are replaced by natural processes given reasonalbe
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2. asked by bobpursley
3. 1,109 views
A person's body is covered with 1.4 m2 of wool clothing. The thickness of the wool is 1.3 10-3 m. The temperature at the outside
1. 1 answer
2. asked by papito
3. 1,072 views
I am having serious trouble with MLA format. Please let me know if these are correct, if you can (I tried to indent):Ashford,
1. 0 answers
2. asked by Aletha
3. 1,065 views
I'm trying to use DeMoirre's Theorem to compute and express this in rectangular form. Here's the expression:(-1 + i)^5 The ^
1. 0 answers
2. asked by Mark
3. 1,052 views
Create a class named Checkup with fields that hold a patient number, two blood pressure figures (systolic and diastolic), and
1. 0 answers
2. asked by Andreah
3. 1,046 views
During the cold war Era (1945-1990), the United states and the Soviet Union were reluctant to become involved in direct military
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2. asked by Charles
3. 1,044 views
what transition metal complex is responsible for transporting oxygen in our blood? Also, what is its structure?The transition
1. 0 answers
2. asked by Bob
3. 1,027 views
find the area between the x-axis and the graph of the given function over the given interval:y = sqrt(9-x2^2) over [-3,3]
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2. asked by jamay
3. 1,015 views
The moon orbits around the earth.Which of the following keeps the moon traveling in the same path each time it orbits the earth?
1. 5 answers
2. asked by Hot stuff
3. 1,007 views
I need to prove that the following is true. Thanks.csc^2(A/2)=2secA/secA-1 Right Side=(2/cosA)/(1/cosA - 1) =
1. 0 answers
2. asked by Dirk
3. 963 views
what are cells made from?Please, what kind of cells? There are many kinds. Jail cells, hive cells, plant cells, animal cells,
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2. asked by simrandeep
3. 960 views
A coffee merchant has coffee beans that sell for $9 per pound and $12 per pound. The two types are to be mixed to create 100 lb
1. 0 answers
2. asked by sandy
3. 949 views
Praire dogs dig alot of underground tunnel systems called "towns". They come to the surface to eat grasses. Cause all animals
1. 0 answers
2. asked by Hot stuff
3. 900 views
Figue out my language!Clues- 1.We speak this language in Belguim 2.Belguim is in Europe 3.in my language yes is yah (yaah) 4.It
1. 0 answers
2. asked by Hot stuff
3. 886 views
The perimeter of an isosceles triangle is 37 in. The lengths of the twoequal legs are 6 in. less than 3 times the length of the
1. 0 answers
2. asked by carry
3. 865 views
factor x2+16x-36factors are 18, 2
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2. asked by zee
3. 858 views
the planets of the solar system revolves around the sun in orbits because the the Suns__________.A.The suns gravity B.The suns
1. 0 answers
2. asked by Hot stuff
3. 814 views
Internalizing a positive externality through a government subsidy will cause the industry's supplycurve to a. remain unchanged.
1. 0 answers
2. asked by Econ
3. 799 views
Can someone explain this to me.Determine if each conclusion is valid or invalid for the given statements. a. Some expensive
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2. asked by Mae
3. 731 views
The temperature in an electric oven is 165°C. The temperature at the outer surface in the kitchen is 55°C. The oven (surface
1. 0 answers
2. asked by papito Urgent help needed
3. 731 views
A tower clock has an hour hand 2.70 m long with a mass of 60.o kg, and a minute hand 4.50 m long with a mass of 100 kg.
1. 0 answers
2. asked by Anderson
3. 730 views
I need help with this question.Write the equation of the line which contains the point)0, -3) and whose slope is 4. A general
1. 0 answers
2. asked by Taylour
3. 727 views
When we are given an expression for the Short Run Total Cost Curve (for eg: 8 +3Q - 1.5Q^2 + 0.25Q^3), how do you derive
1. 1 answer
2. asked by Dan
3. 723 views
Directions:Solve and graph the inequalities using words.Problems: 4.-3x>-6 or x-5<=2 5.x+2>2x-1 or -6>-2x-2
1. 0 answers
2. asked by margie
3. 701 views
The force of attraction between the Earth and an object is called?A. Magnetism B. Mass C. Energy D. Gravity
1. 3 answers
2. asked by Missy
3. 674 views
Which three options are true about motion in a straight line.A. A particle which moves at an increasing velocity has a constant
1. 0 answers
2. asked by kelly
3. 668 views
the age of granite can be determind using radiometric dating, explain the basis for the determination of a 238 U- Pb radiometric
1. 0 answers
2. asked by bex
3. 664 views
>Blockade of Berlin>Operation of the Berlin Airlift >Organization of the Warsaw Pact >Construction of the Berlin Wall These
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2. asked by Charles
3. 659 views
The perimeter of an isosceles triangle is 37 in. The lengths of the twoequal legs are 6 in. less than 3 times the length of the
1. 0 answers
2. asked by carry
3. 658 views
What is the molar mass of salenH(2) and nickel(II) salen?I don't know shat salen is? Do you have a formula? Salen is a
1. 0 answers
2. asked by Bob
3. 652 views
b and c, don't you think?the teacher explains and the children practice what has been explained my experience leads to me to the
1. 0 answers
2. asked by jules
3. 639 views
b is the answerWhich is the best description of bedrock A. Dark soil, rich in humus B. Coarse soil with little humus C. Decaying
1. 0 answers
2. asked by hot stuff
3. 634 views
What can scientist learn from moon rocks?A. The moon's water supply evaporated in recent years B. The moon is denser than earth
1. 0 answers
2. asked by Missy
3. 634 views
I posted this question on April 16 and received lots of help..but need more.. thanksUse the following information to identify
1. 0 answers
2. asked by Julia
3. 631 views
Which is a reasonable remainder when a number is divided by 7?a. 8 B. 9 C. 7 D. 5 Be sure to let us know what YOU think, and
1. 0 answers
2. asked by Missy
3. 608 views
which three statements are true?a) if x= -10^4 then log 10 = -4 b)if x= 2^8 then log 2x = 8 c) log2 2= 4 d) if x= 3 then log10
1. 0 answers
2. asked by kelly
3. 605 views
Directions:Solve and graph the inequality using words.Problem: 1.)2x>-4 and x-4<=2 2.)x+3=>2x+1 and -4x<-8 3.)-6<x+3>6(Remember
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2. asked by margie
3. 598 views
All, Please just help me in this, I will need you to please give me the clue-thanks.a flashlamp bulb is marked '2.5V,0.30A' and
1. 0 answers
2. asked by Sola
3. 596 views
Drew spends one weekend each month at his grandparents farm.He enjoys loking at the stars in the night sky with his grandfathers
1. 0 answers
2. asked by Hot stuff
3. 593 views
Here are some previous answers to this question:http://www.jiskha.com/display.cgi?id=1157494639.1157499174 Posted by PsyDAG on
1. 1 answer
2. asked by Writeacher
3. 589 views
Can someone give me good websites detailing the history of the IFRS (International Financial Reporting Standards)? Or just give
1. 0 answers
2. asked by RyaN
3. 586 views
2. an iceskater of mass 100 kg starts to glide at 10 m/s and comes to rest. how much ice is melted? assume that half the heat
1. 0 answers
2. asked by michelle
3. 584 views
It has been ten years since I came to America with my family, and in the summer of 2006, my parents finally decided to take me
1. 0 answers
2. asked by Anonymous
3. 582 views
In a town election, the winning candidate had 220 more votesthan the loser. If 810 votes were cast in all, how many votes did
1. 0 answers
2. asked by larry
3. 579 views
You can write the equation y=x+4 in different ways.Which of these is correct ? x+y=4 x=4+y y-x=4 y+4=x x=y-4 There could be a
1. 0 answers
2. asked by Emma
3. 576 views
In many forest very little sunlight reaches the smaller plants who lived on the ground or the florest floor because the tall
1. 0 answers
2. asked by Hot stuff
3. 575 views
On the spring equinox, in what part of the sky and what time of day does the full moon rise?March 20th is the Spring Equinox for
1. 0 answers
2. asked by Cathleen
3. 571 views
would you be able to suggest a good website for me to answer this questiongranite is intrusive , felsic rock, which may be
1. 0 answers
2. asked by bex
3. 568 views
What keeps all the planets the big ones and the small ones in orbit in our big solar system?A.The gravity from the sun. B.The
1. 0 answers
2. asked by Hot stuff
3. 564 views
what is tungstenAn element, symbol W. There is quite a lot of information in the wikipedia entry. Also, you can go to
1. 0 answers
2. asked by uniqua
3. 563 views
HELPFind the solution for x,y. In the problem... 5x-3y=-11 x-2y=2 Multiply the second equaton by five. 5x-3y=-11 5x-10y=10
1. 0 answers
2. asked by Adam
3. 560 views
I having problems understanding venn set and venn diagrams. Can someone explain this to me.For the universal set U=
1. 0 answers
2. asked by Lacy
3. 560 views
I need info on Granary Burial Ground in Boston. MA. Something other than who is buried there.Thank you for using the Jiskha
1. 0 answers
2. asked by Sidney
3. 557 views
find the sum of the series of (-2)^n/3^n+1.This is an alternating series... what if we rewrite it as an= (1/3)* (-2/3)^(n)
1. 0 answers
2. asked by kelly
3. 556 views
2r+4=10Well r=3 so that means 2xr=6 and 6+4=10. Hint: whenever a number and letter are close together you have to multply thme
1. 0 answers
2. asked by Bonnie
3. 555 views
I have a few questions.1) If a sphere is intersected by a plane that contains the center of the sphere, what would it look like?
1. 0 answers
2. asked by Emily
3. 551 views
I need help with slopes and lines.Determine the slope of each line a line through points (-1, 2) and (2, -7) Slope of a line
1. 0 answers
2. asked by Tammy
3. 545 views
I am given a project to Develop and Incorporate a Business. I decided about video game business for example companies that make
1. 0 answers
2. asked by Bobby
3. 545 views
Solve the inequality. Then graph the solution on a number line.-16 is less than or equal to 2x = 8<10 I'm going to assume your
1. 0 answers
2. asked by Max
3. 542 views
what actually is the effect of these named gases on the ecosystem, health, human, flora anad fauna. here are the gases H2S, CL2,
1. 0 answers
2. asked by kelechi
3. 542 views
Thank you for using the Jiskha Homework Help Forum. Not only does it depend upon size, shape, but do you want to lose, maintain
1. 0 answers
2. asked by SraJMcGin
3. 542 views
Hello. I have to right a Forensic investigation paper on modern crimes and I wanted to know if anyone knew of any interesting
1. 2 answers
2. asked by Janet
3. 540 views
Trying to factor 2 equations3x2+9x-30 4x2-4x-48 I assume you mean 3x² + 9x - 30 which on this board most people write as 3x^2
1. 0 answers
2. asked by Chris
3. 534 views
Is it impossible to polarize a longitudinal wave? Explain.Longitudinal waves are polarized in the direction of propagation, they
1. 0 answers
2. asked by Caleb
3. 534 views
How do I write equations for geometric sequences?example question: 1, 3/2, 9/4, 27/8 an= a(n-1) * r^n where r is the value of
1. 0 answers
2. asked by NJ
3. 534 views
yah i got that answer correct on my homeworkBut what about sand or humus? Which of the following soil types would allow water to
1. 0 answers
2. asked by hot stuff
3. 531 views
Mrs. Browns class is studdying how the path of the suns crossing the sky changes during the day.Each hour a pair of student goes
1. 1 answer
2. asked by Hot stuff
3. 528 views
Which is the best description of bedrockA. Dark soil, rich in humus B. Coarse soil with little humus C. Decaying plant and
1. 0 answers
2. asked by Missy
3. 527 views
For the universal set U= {0,1,2,3,4,5,6,7}And the sets A={1,5}, B={1,2,3,4} And C= {4, 6} lists the elements in the following
1. 0 answers
2. asked by Lacy
3. 527 views
The only error I can see is that there needs to be a comma after "Press" not a period.(Broken Link Removed)
1. 0 answers
2. asked by Writeacher
3. 522 views
Factoring two more equations49x^2-100z^2 32t^2-50 I'll give you a few hints. What number squared equals 49? What number squared
1. 0 answers
2. asked by Chris
3. 522 views
Which of the following is a chemical property of paper?A. Color B. Ability to Burn C. Size D. Thickness I think it is color
1. 0 answers
2. asked by Missy
3. 519 views
Explain how a non metal atom becomes negative.Lose an electron, become negative. Bob Pursley isn't at his computer right now but
1. 1 answer
2. asked by Mani
3. 511 views
The minister joined the couple together as man and wifeMy! This puts the emphasis on the MAN, but the woman is just the wife.
1. 0 answers
2. asked by TJen
3. 511 views
Please help me work out the following formal logic problem....Given the premise that whoever smelt it dealt it, does it
1. 0 answers
2. asked by Tyler
3. 510 views
Please hot stuff could you stop answering because you are not helping me. You are annoying me.Missy, you are not showing any
1. 0 answers
2. asked by Missy
3. 507 views
explain why oxygen "likes" to form an O^2- ion.O2 is a molecule, not an ion. O2 is stable in the outer electron configuration.
1. 0 answers
2. asked by Mani
3. 505 views
Dear All please do help me out - thanks.How much heat and light energy is produced by a 100W electric lamp in 5 minutes? Solutn
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2. asked by Sola
3. 504 views
what product is obtained by reacting methylamine with salicylaldehyde in a 1:1 ratio?This is related to your other about
1. 0 answers
2. asked by Bob
3. 503 views
Thick bark helps a tree survive whena. the rain washes away the soil b. the weather is colder than normal c. there are storms
1. 0 answers
2. asked by Missy
3. 503 views
How to become a U.S. citizen when you are not fron U.S.Thank you for using the Jiskha Homework Help Forum. Good luck! (Broken
1. 1 answer
2. asked by Regis A
3. 501 views
I've had problems in the past with MLA format as far as writing and I was wondering what was wrong with this work cited entry...
1. 0 answers
2. asked by Vesone
3. 500 views
Who was 13 president?Thank you for using the Jiskha Homework Help Forum. Here is a website on that president:
1. 0 answers
2. asked by Hot stuff
3. 498 views
You have it!In the future, please do not post more than once, and please post without the theatrics in the subject line. It
1. 0 answers
2. asked by Writeacher
3. 497 views
Solve the followingI am not sure if I did this correct (n-5)^2= 20 n-5=+/- 20 n=5+/- sqrt 20 Thanks yes on the final answer. On
1. 0 answers
2. asked by DANIELLE
3. 490 views
Which statement below does not apply to the moon?A. Does not have moving plates or volcanoes. B. Rotates just once on its own
1. 0 answers
2. asked by Missy
3. 489 views
how do you write an advertisment about academics, respect,teamwork and leadershipDepends on what kind of ad it is. If it's a
1. 0 answers
2. asked by andrew
3. 488 views
Can you help with this question?Which would be the best answer? I am thinking (1) is the best answer. Am I right? Involving
1. 0 answers
2. asked by Keisha
3. 486 views
Why is it desirable to use monochromatic light when studying polarization by reflection?It is desirable to reduce the number of
1. 0 answers
2. asked by Caleb
3. 480 views
Can some one explain this passageI do not understand it it is by hazlitt it is called "on the want of money" There are two
1. 0 answers
2. asked by steph
3. 477 views
How can stereotyoing effect group relations?Do you mean "affect"? I think so. Anyway, look up the meaning of "stereotyping"
1. 0 answers
2. asked by Jodi
3. 474 views

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