Ask a New Question
Search
Questions and answers by
tom
Questions (466)
A car travels along a straight stretch of road.
It proceeds for 15 mi at 55 mi/h, then 29 mi at 43 mi/h, and finally 37.9 mi at
2 answers
590 views
Calculate the percent yield if 104 g of CH3CO2CH2CH3 is produced by the reaction of 111 g of CH3CO2H according to the following
1 answer
780 views
Given that ΔHof of copper (II) chloride, CuCl2(s), is –220.1/kJ and ΔHof of copper (I) chloride, CuCl(s), is –137.2 kJ,
1 answer
476 views
Consider the average available for all hotel rooms from the previous assignment. Identify the point estimate of the average
1 answer
427 views
a student tries to open a door at a distance of 1 cm from the hinge at a distance of 10 cm from the hinge and at a distance of
1 answer
355 views
A telemarketer with B2B Communications has a 20 percent historical probability of making a sale during a shift where 100 calls
1 answer
566 views
The average score on a standardized test is 750 points with a standard deviation of 50 points. If 2,000
students take the test at
2 answers
1,259 views
The average score on a standardized test is 500 points with a standard deviation of 50 points. What is
the probability that a
2 answers
1,643 views
The diagonals of rhombus FGHJ intersect at point K. If side GH is equal to 3x - 10 and side JH is equal to 6x - 19, find x.
1 answer
744 views
It is possible for a quadratic equation to have no real-number solutions:Solve : x2 + 5x + 3 = 0
1 answer
403 views
If Q varies inversely as the square root of R and Q=2 when R=4, what is Q when R is 25?
does Q=625 im not sure can someone double
1 answer
518 views
can someone please help me im stumped on these two.
use analytical methods to solve the equation. 1+(1/x)=(42/x²)
1 answer
452 views
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state
1 answer
542 views
sinx+sinxcot^2x=cscx
prove each identity
2 answers
1,021 views
tan(theta)-1= sin^2(theta)-cos^2(theta)/ sin(theta)cos(theta)+cos^2(theta) prove each identity
1 answer
454 views
The factor that normally has the most impact on the president's level of popular support is
a. world conditions. b. the condition
1 answer
551 views
Suppose that the average grade for all people who take this course in statistics is 83 with a standard deviation of 3.5. If your
1 answer
594 views
The function y(x, t) = (25.0 cm) cos(ðx - 15ðt), with x in meters and t in seconds, describes a wave on a taut string. What is
0 answers
397 views
the federalist papers were written to what?
win support for the constitution in new york expose the lack of civil liberties
1 answer
1,638 views
If you have a population mean of 50 and a population standard deviation of 5 and you select a sample size of 100, what is the
1 answer
537 views
can some one help 3>4+5+
1 answer
241 views
solve x & y:
3X-6Y(-6X+34)=30
0 answers
378 views
find the derivative
f(x)= 4xe^x f(x) = ln (2z-11)^7 f(x) = ln (x-1/3x+1)
1 answer
294 views
. Given the following stocks 4M NaCl, 3M NaOH, 5M HCl
(a) Prepare 200ml of a solution containing 0.5M NaCl and 0.1M (b) Prepare
2 answers
1,068 views
stacy multiplied 5x9 and said the answer was 44. what two patterns could you use to show that her answer is not correct?
1 answer
373 views
Shawna thinks that 8x2=17. what number pattern shows that she not correct?
1 answer
398 views
Select a variable (mean, proportion, variance or standard deviation) of interest to you and collect data consisting of at least
1 answer
673 views
i have a ti 83, and i want to plug this equation r=1+cos(theta)( this is polar coordinates) into my calculator but the graph
0 answers
456 views
find the arc length of f(x)=x^2/2
1 answer
341 views
what is the molarity if 0.5 grams of sodium chloride is dissolved to make 0.05 mL of solution?
0 answers
746 views
how does the direction ( clockwise or counterclockwise effect the values of the unit circle? what does it mean?
1 answer
444 views
A car is driven east for a distance of 49 km, then north for 21 km, and then in a direction 30° east of north for 27 km.
1 answer
1,147 views
if cos(pi/4) is sqrt2/2
i thought sec(pi/4) is 2/sqrt 2,but its just sqrt 2 . can some one please explain.
1 answer
947 views
INTEGRAL OF Y^2/(25+Y^2)
1 answer
307 views
find integral using table of integrals )
integral sin^4xdx this the formula i used integral sin^n xdx =-1/n sin^n-1xcosx +n-1/n
3 answers
730 views
a speaker was so boring that one-half of the audience left after a few minutes. Five minutes later, one-third of the remaing
2 answers
795 views
A peddler is taking eggs to the market to sell. The eggs are in a cart that holds up to 500 eggs. If the eggs are removed from
3 answers
1,025 views
at 25˚c the density of water is 0.997g/cm³,the density of ice at -10˚c is 0.917g/cm³. if a soda can volume is 240 ml is
0 answers
579 views
a plane is flying at an altitude of x with the distance at 800 meters with an angle of 70 degress. what equation would you use
1 answer
1,184 views
an oilo slick 110 nm 1.0 * 10^6 square meters of ocean.How many liters of oil are in the slick
0 answers
326 views
five sentences about the role of education in successful financial planning
1 answer
484 views
Can eletrolysis be used to separate salt in the sea int o elemental sodium and clorine gas -- somthing like 2NaCl --> 2Na + Cl2
1 answer
753 views
"The Fed should simply increase the money supply at the same rate that the full employment economy grows, and the government
1 answer
832 views
if you exert a force of 500 N to walk 4 m up a flight of stairs in 4 s, how much
1 answer
553 views
A monatomic ideal gas expands from point A to point B along the path shown in the drawing.
(a) Determine the work done by the
1 answer
1,993 views
A 3.2 kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. The elastic potential
1 answer
3,814 views
I need a specific article that deals with monopoly power, either regulated or illegal attempts at monopolization.
1 answer
449 views
A satellite of mass 210 kg is launched from a site on Earth's equator into an orbit at 210 km above the surface of Earth.
(a)
2 answers
960 views
A person wins 500 points in a game.
What is the corresponding number?
1 answer
461 views
an auther's purpose in using rhetoric is to?
a. create a certain effect for the reader b. present facts as they realy are c.
2 answers
530 views
1. Use the following data for questions 1 and 2.On March 12, 2005, Trio, Inc. acquired melting equipment for $37,000. The
1 answer
761 views
1. Use the following data for questions 1 and 2.On March 12, 2005, Trio, Inc. acquired melting equipment for $37,000. The
0 answers
491 views
Doug Corporation purchased Leslie Company's entire business for $3,200,000. The fair market value of Leslie's net identifiable
2 answers
513 views
what must the interest rate be if an investment is to double its value in 15 years, compounded monthly
in decimal form, rounded
2 answers
466 views
calculate the future value of an investment of $8,500 if it is to be invested for 9 years at an interest rate of 6.1%,
2 answers
660 views
An insurance company estimates 40 percent of its claims have errors. The insurance company wants to estimate with 90 percent
1 answer
605 views
A baseball is hit at ground level. The ball reaches its maximum height above ground level 2.6 s after being hit. Then 2.1 s
1 answer
976 views
A rifle that shoots bullets at 460 m/s is to be aimed at a target 47.0 m away. If the center of the target is level with the
1 answer
1,572 views
A soccer player kicks the ball toward a goal that is 28.6 m in front of him. The ball leaves his foot at a speed of 18.5 m/s and
1 answer
536 views
A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is
0 answers
627 views
Four people, each with a mass of 72.7 kg, are in a car with a mass of 1110 kg. An earthquake strikes. The driver manages to pull
0 answers
732 views
the time that a traffic light remains yellow is 1 second more than 0.05 times the speed limit. what is the yellow time for a
1 answer
520 views
what is the given value of the variable
a+4 diveded by 8 a=3.75
2 answers
287 views
Consider again the problem of a car traveling along a banked turn. Sometimes roads have a "reversed" banking angle. That is, the
1 answer
680 views
I DON'T KNOW WHAT IM DOING WRONG!!!!!!NASA has built centrifuges to enable astronauts to train in conditions in which the
1 answer
1,115 views
plane traveling 200 km/hr with supplies for people 110 meters below. how many second before do they have to drop the supplies
2 answers
1,027 views
PLease HeLP! You work for a moving company and are given the job of pulling two large boxes of mass m1 = 112 kg and m2 = 287 kg
2 answers
687 views
4Fe+3o2 =
1 answer
345 views
do pcr generated luxAB or gel purified luxAB work better in getting white colonies? WHy? please help. thanks
0 answers
942 views
A pump is required to lift 800 liters of water per minute from a well 15.0 m deep and eject it with a speed of 17.0 m/s.
How much
2 answers
866 views
In a well developed paragraph respond to the following. After reading about yellow journalism, explain how the media may or may
2 answers
740 views
If the 13th, 14th, and 15th Amendments, which were passed almost 100 years earlier, guaranteed that African-Americans had the
1 answer
604 views
what is the height of a triangle whose sides are 13 , 20 and 21 cm
2 answers
334 views
Many american are liveing beyond their means by abuseing thier credit cards. You concider their credit limit as another sourse
2 answers
517 views
14/15-13/16= show work
3 answers
204 views
what is the diference between a fine art painting and a picture
1 answer
883 views
what is the total resistance in a circuit having 3 feetof 10 ohm/ft wire, with two 15 ohm resistors wired in parallel?
1 answer
1,223 views
what is the total resistance in a circuit having 3 feetof 10 ohm/ft wire, with two 15 ohm resistors wired in parallel?
1 answer
538 views
factorise
7x^2 - 19x + 10 13x - 20 - 2x^2 28n - 10 + 6n^2 please can you show me the method thanks
1 answer
476 views
need combining form for midsagittal
2 answers
481 views
a 150ml sample of wetlands water requires 25.00 mL of a 0.0250 MH2SO4 solution for neutralization. Calculate the molarity of
1 answer
788 views
week 8 . need hel getting started with evaluating communication strategies
2 answers
408 views
what is the remainder when ka^3-3a^2+5a-8 is divided by a+1.
please help and thank you
0 answers
369 views
how many grams of solute are in 250ml of 0.500M glycerin . (C3H8O3=92.1 amu)?
1 answer
539 views
Evaluate
lim as x-> 0 square root (x+1) - square root (2x+1) / square root (3x+4) - square root (2x+4)
0 answers
497 views
is there no solution for a triangle with C=50deg
a=25 c=22?
1 answer
297 views
Determine which types of display could be used to illustrate the given data.
4) The midterm test scores for the seventh-period
1 answer
596 views
Drawing one slip, what is P (slip contains a vowel)?
1 answer
364 views
whats the FDA's main job has it Has it implemented any new rules recently?
1 answer
403 views
When and why was The FDA formed? Was it in response to a national event or some sort of emergency?
1 answer
850 views
5 ways to change a melody to an arrangement
2 answers
365 views
parallel to line 2/3x-4=0 through (-4,-6)
1 answer
310 views
In the ideal apparatus m1=2.0 kg. What is m2 if both masses are at rest? How about if both masses are moving at constant
1 answer
1,637 views
what is the fourth root of 16
1 answer
454 views
which compounds below that have a vibration that is infrared inactive. and indicate the specfic vibration that is infrared
0 answers
441 views
Is it possible to calculate the torque acting on a rigid body without specifying the origin?
1 answer
1,499 views
1. A list of context-sensitive commands usually activated by right-clicking a screen item. What's this call?
a)option group
1 answer
508 views
If 20 g KCL is dissolved in 100g of water at 20 degrees C, is the solution unsaturated, saturated, or supersaturated?
4 answers
842 views
A solution of salt in water conducts electricity, but a solution of sugar does not. Explain why?
1 answer
549 views
What ratio does molarity express?
1 answer
797 views
Pages
1
2
3
4
5