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peter

Questions (307)

why does the voltage across the thermistor and resistor add up to the voltage of the battery?thanks :)
1. 0 answers
2. 375 views
why is the current the same in the resistor and the thermistor in a series circuit?thanks :)
1. 0 answers
2. 335 views
Find the area of the region under the graph of the function f on the interval [-1, 2].f(x) = 6x + 1 bound by the x axis
1. 1 answer
2. 1,149 views
Battery supplies a potential difference of 6vAt a certain temperature the current in the 45ohms resistor is 0.08A How would you
1. 1 answer
2. 544 views
A cylindrical air duct in an air conditioning system has a length of 3.5 m and a radius of 5.00 10-2 m. A fan forces air (ç =
1. 0 answers
2. 654 views
suppose a pippetting error was made when preparing the diluted vinegar, but the diluted vinigar solution was uniform and the
1. 1 answer
2. 386 views
suggest why the acetic acid concentration of a food vinegar must be known for regulatory health and saftey reasons
1. 0 answers
2. 354 views
Given the following equation: NH3 +O2 �¨ NO + H2OCalculate the number of grams of ammonia needed to form 40.12 moles of
1. 2 answers
2. 564 views
Given the following equation: NH3 + NH3 +O2 �¨ NO + H2OCalculate the number of grams of ammonia needed to form 40.12 moles of
1. 3 answers
2. 562 views
A 1240 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1970 N crate
1. 1 answer
2. 711 views
A 1240 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1970 N crate
1. 1 answer
2. 620 views
why is 7 times 8 not a number sentance
1. 7 answers
2. 317 views
how do i solve this using the substitution method3x+2y=7 2x-3y=-4 x=7-2y/3 2(7-2y/3)-3y=-4 this is where i get stuck help would
1. 1 answer
2. 427 views
the earth (mass=5.98x10^24kg) rotates around the sun in a orbit that is approximately circular, with a radius of 1.5x10^11mfind
1. 0 answers
2. 735 views
the earth (mass=5.98x10^24kg) rotates around the sun in a orbit that is approximately circular, with a radius of 1.5x10^11mfind
1. 1 answer
2. 864 views
completing the square3x^2 +15 -33 =0 a=3 b=15 c=-33 -15+or- sqrt225-4*3*-33/2*3 -15+or-sqrt225+396/6 is this right because don't
1. 1 answer
2. 364 views
Sea water conducts electricity.Which statements give the best explanation for this a) Ions are able to move around in sea water
1. 2 answers
2. 1,019 views
the heating effect of the fuse wire is caused by...a) emmision of moving electrons by stationary atoms b) absorption of moving
1. 0 answers
2. 570 views
(5)/(x) - (2)/(x-3) = 05(x-3) - 2(x) = x(x-3) 5x-15-2x = x^2 -3x 3x-15 = x^2 -3x this is where i get stuck please help thanks
1. 2 answers
2. 320 views
4x-5/1-6x = x+10/x-6your help would be much appreciated
1. 1 answer
2. 439 views
please can you help me solve the following equations and please can you show your method. thanks1) 4x+3/5x-6 = x-1/x-6 2)
1. 1 answer
2. 441 views
find x4x-5/1-5x = x+1/x+7 please can you show me the method thanks
1. 0 answers
2. 322 views
factorise9x^2-29x+34 thanks
1. 1 answer
2. 373 views
find xx^2-3x-4 = x^2 +11x+24 please can you show me you method thanks
1. 2 answers
2. 574 views
find xx-5/x-2 = x-9/x-7 Method (x-5)(x-7) = (x-9)(x-2) x^2-12x+35 = x^2-11x-18 I get stuck here help would be must appreciated
1. 0 answers
2. 325 views
rationalize3/7-root3 would it be 21+3root3/46
1. 0 answers
2. 376 views
5/11+root5How would I rationalize this I think it would be - Multiply both sides by 11-root5 then use the foil method on the
1. 1 answer
2. 453 views
A new element, Canadium, not found on earth, contains 3 isotopes. given the following information, calculate the atomic mass of
1. 0 answers
2. 775 views
(3x + 5) + (2x - 3)
1. 1 answer
2. 248 views
A 1.20*10^2 kg crate is being pushed across a horizontal floor by a force P that makes an angle of 30.0° below the horizontal.
1. 0 answers
2. 554 views
An object with a mass of 3.09x10^0 kg is subjected to a force of 8.8505x10^2 N directed at an angle of 1.6968x10^2 degrees from
1. 2 answers
2. 545 views
A dynamite blast sends a piece of rock (shatter) straight upwards. After 2.31x10^0 s the piece of rock has a velocity of
1. 1 answer
2. 501 views
A worker at the top of a deep well, drops a hammer into the well. The hammer takes 2.81x10^-2 minutes to fall. How deep is the
1. 1 answer
2. 414 views
a force of 125N is required to extend a spring by 2.8cm. what force is required to stretch the same spring by 3.2cm
1. 1 answer
2. 633 views
I´ve got this questiony=5cosx-3sinx
1. 2 answers
2. 396 views
A object is throw up with a speed of 25m/s. suppose that the gravity is 10m/s^2. Define the position and the velocity of the
1. 0 answers
2. 399 views
The sum of 5.2713x10^3 + 6.54014x10^3 expressed to 4 significant figures would be?
1. 1 answer
2. 399 views
The result of 1.51751x10^4 divided by 6.451x10^3 to 2 significant figures is?
1. 6 answers
2. 419 views
one isotope of carbon has the atomic # 6+ the mass #14. An Atom of this isotope contain how many elctrons
1. 1 answer
2. 544 views
A thin nonconducting rod is bent to form a semi-circle of radius R. A charge Q is uniformly distributed along the upper half and
1. 1 answer
2. 1,451 views
A thin nonconducting rod is bent to form a semi-circle of radius R. A charge Q is uniformly distributed along the upper half and
1. 0 answers
2. 843 views
large is to small, feast is to
1. 6 answers
2. 1,003 views
Research the sea lamprey, an exotic species that has had a great impact on the fish communities of the GreatLakes. a) Describe
1. 0 answers
2. 650 views
Propose five possible solutions that will reduce the impact of human activities on the biogeochemical cycles.
1. 0 answers
2. 550 views
There is a bacteria called botulism which will grow in anaerobic conditions.This bacteria can be found in improperly canned
1. 0 answers
2. 629 views
If the coefficient of correlation is –0.81, then the percentage of the variation in y that is explained by the regression line
1. 1 answer
2. 1,215 views
If x=6y, which of the following is a multiple of x?a. 12y b. 9y c. 5y d. 4y e. 3y
1. 2 answers
2. 1,180 views
at a grand opening of a store, every 3rd person is given a balloon, and every 7th person is given a $5 coupon. if a person is
1. 1 answer
2. 514 views
between which two digits should a decimal point be placed so the value of the resulting number is 8.7654321 x 10^4 ?
1. 2 answers
2. 439 views
if the lengths of triangle RST are r, s and t, where r=2, s=4, and t is an integer, what is one possible value of r+t/s?
1. 1 answer
2. 393 views
what can x equal if4 < 2x+1/x-3 < 7
1. 1 answer
2. 878 views
a man buying a new car can choose among 6 different colors, 3 different steering wheel styles, and 4 different audio packages?
1. 2 answers
2. 660 views
the first term of a sequence of numbers is 4. each term after the first is 4 more than half the preceding term, what is the
1. 4 answers
2. 641 views
Ok, so I'm trying to do this for my exam review. I get some of it, but not all:An electric utility is examining the relationship
1. 0 answers
2. 533 views
A ladder 14 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x
1. 1 answer
2. 1,555 views
A ladder 14 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x
1. 3 answers
2. 4,823 views
(a)Comparison of GPA for randomly chosen college juniors and seniors:xbar= 3.05, s1 = .20, n1 = 15, xbar2= 3.25, s2 = .30, n2 =
1. 2 answers
2. 1,044 views
As a computing investigator for your local sheriff’s department, you have been asked to go with a detective to a local school
1. 1 answer
2. 1,665 views
find the area of the trapezoid whose diagonals are 30 each and height of 18?I spent 2 hrs and I can't figure it out Pls. help
1. 2 answers
2. 891 views
If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes?
1. 1 answer
2. 395 views
A painter needs to cover a triangular region 62 meters by 66 meters by 71 meters. A can of paint covers 70 square meters. How
1. 1 answer
2. 585 views
What is the equation of the preparation of K3[Al(C2O4)3].3H2O using Al2(SO4)3?
1. 1 answer
2. 981 views
It's a lot of words, but short questions. I got most of it, but I'm confused on a and c. Help would be greatly appreciated:Theat
1. 0 answers
2. 401 views
- Computers- English - Foreign Languages - Health - Home Economics - Math - Music - Physical Education - Science - Social
1. 14 answers
2. 2,383 views
what does these sentence say1. Rufo/llegar temprano a la clase de matematicas 2. Nico y Gilda/ usar la computadora en la clase
1. 1 answer
2. 562 views
How are sperm and egg cells formed?Describe in general terms what happens during meiosis.
1. 2 answers
2. 646 views
how to get benzoic acid from a mixture of benzoic acid and salt?
1. 1 answer
2. 430 views
On a cold winter morning, a child sits on a sled resting on smooth ice. When the 9.10 kg sled is pulled with a horizontal force
1. 1 answer
2. 744 views
What is the empirical formula of a hydrocarbon that contains 89,94 by mass?
1. 4 answers
2. 607 views
how to say todays date in spanish
1. 1 answer
2. 405 views
define...1- assets 2- intervening 3- haciendas 4- nationalization 5- revolution short answer 1- what political and economic
1. 0 answers
2. 616 views
i don't get the principles of design.what are pattern, rhythm, unity, movement, emphasis, contrast, and balence. please help.
1. 0 answers
2. 821 views
i don't get the principles of design.i mean, what does pattern, rhythem, unity, movement, emphasis, and contrast REALLY mean? i
1. 2 answers
2. 530 views
NAME A UNIT OF CONCENTRATION COMMONLY USED TO EXPRESS SMALL CONCENTRARTIONS?
1. 1 answer
2. 428 views
A sample of 300.0g of drinking wtare is found to cntain 38 mg Pb. What is this concentration in parts per million?
1. 5 answers
2. 1,585 views
what is the domain and range of f(x) =x^2
1. 4 answers
2. 319 views
What is a serial dilution and why might you want to use it?
1. 4 answers
2. 1,020 views
Add.4m^2yp + 6/m^y
1. 2 answers
2. 285 views
Add.4m^2yp + 6/m^y
1. 0 answers
2. 386 views
Add.4m^2yp + 6/m^y
1. 0 answers
2. 335 views
Identify each of the responsibilities the Preamble set forth. Who is responsible for them?
1. 3 answers
2. 514 views
Why is hydrogen peroxide very soluble in water?
1. 1 answer
2. 417 views
Contrast ionic and molecular substances in terms of the types of attractive forces that govern their behavior.
1. 0 answers
2. 433 views
Give 2 positive and 2 negative angles that are coterminal with each angle?1. 30 degrees 2. 135 degreed 3. -93 degrees
1. 0 answers
2. 534 views
Give 2 positive and 2 negative angles that are coterminal with each angle?1. 30 degrees 2. 135 degreed 3. -93 degrees
1. 3 answers
2. 3,161 views
1 mol Cu(NO3)2*6H20 X 295.69g Cu(NO3)2*6H20/ mol Cu(N03)2*6H20=___________ gCu(NO3)2*6H20what does in the blank?
1. 3 answers
2. 434 views
Determine the empirical formula for each substance.1. A dead alkaline battery is found to contain a compund of Mn and O. Its
1. 4 answers
2. 4,318 views
can someone please help me analyze what the black fruit dripping sap from the branches of lighting means in the first stanzathan
1. 9 answers
2. 455 views
can someone please help me analyze this poemthank you Passover: The Injections Clouds pass over, endless, black fruit dripping
1. 8 answers
2. 758 views
if you consider the call of the wild to be an allergory, whichone of the following staements would be true
1. 1 answer
2. 413 views
how do you balance this equationK2SO4 + Ca(NO3)2 -> CaSO4 + KNO3
1. 2 answers
2. 979 views
7. In Song of Myself, number 33, Whitman personifies death as something chasing a ship. This figure of speech —In Song of
1. 3 answers
2. 1,321 views
Often the percent of an animal species in the wild that survive to breed again is lower following a successful breeding season.
1. 0 answers
2. 499 views
I hear America singing, the varied carols I hear;Those of mechanics--each one singing his, as it should be, blithe and strong;
1. 3 answers
2. 1,802 views
solve the linear system by using elimination.x-1/2y = 11/2 -x+4y = 26 i cant ever seem to get an answer that isn't
1. 1 answer
2. 635 views
write your answer in standard form with integer coefficients.2x+3y=30; (2,-5) i don't understand how to do this, im not quiet
1. 4 answers
2. 843 views
im in grade 7 and ihave amath questionwallet a contains 36 coins of quarters and loonies in the ratio 2:7 Wallet b contains 36
1. 1 answer
2. 712 views
what does the density potential [electrostatic potential] measure?
1. 0 answers
2. 310 views
I did this experiment and I found these validity issues: they never specified if temperature to be measured in celcius or
1. 1 answer
2. 544 views
I did this experiment and I found these validity issues: they never specified if temperature to be measured in celcius or
1. 3 answers
2. 553 views

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