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jack
Questions and answers by
jack
, page 2
Questions (638)
corp provides issuance of 200,000 shares of common stock. 40,000 shares were originally issued and 500 were reacquired. What is
1 answer
420 views
what is the role of derrivatives in the subjects other than mathematics.
1 answer
252 views
It took a faster runner 10 sec. longer to run a distance of 1500 m than it took a slower runner to run a distance of 1000 m.If
2 answers
738 views
what is 2 to the first and second power? component problem
1 answer
153 views
(a) 455 cal to joules
thats 1 903.72 joules but i need to round it to 3 sig figs how do u do that?
1 answer
399 views
An astronaut on Neptune drops a rock straight downward from a height of 0.95 m. If the acceleration of gravity on Neptune is
4 answers
730 views
A hot air balloon has just lifted off and is rising at the constant rate of 1.8 m/s. Suddenly, one of the passengers realizes
1 answer
461 views
please help! physics doesn't click with me. thank you for your help!
A 23 kg suitcase is being pulled with a constant speed by a
2 answers
485 views
A picture hangs on the wall suspended by two strings, with è = 61°. The tension in string 1 is 1.8 N.
è is connected to string
1 answer
1,041 views
How do i show work for this math question. A puppet requires 3/4 yard of material. How many puppets can be made from 9 yards of
4 answers
960 views
the molar mass of a newly synthesized jluorocarbon was measured in a gas microbalance, This device consists of a gkass bulb
1 answer
903 views
A study conducted by the Metro Housing Agency in a midwestern city revealed the information below concerning the age
4 answers
1,042 views
a microscope has two of these
1 answer
292 views
a microscope has two types of these
1 answer
381 views
Microbes in a certain colony exposed to radiation have a 1=6 chance of being
mutated. a. If ten microbes from the colony are
1 answer
337 views
I am less than 100. The sum of my didgits is 4. Half of me is an odd number.
3 answers
404 views
If you multiply me by 2, I become a number greater than 20 and less than 40. If you multiply me by 6,I end in 8. If you multiply
3 answers
489 views
Double my tens digit to get my ones digit. Double me and I am less than fifty.
1 answer
329 views
in a tug of war a jeep of a mass 1400kg and a tractor of a mass of 2000kg pull on a horizontal rope in opposite directions. at
7 answers
1,360 views
a molar elipticity [q]466 nm, 25 �C
of D(−) − Co(en)3I3.H2O and obtained -5940 deg.cm2.decimol-1. Calculate the elipticity
1 answer
301 views
Find the relative extrema of
f(x) = -2x^2 + 4x + 3 I don't know how to use the First derivative test to find it.
2 answers
490 views
Each of the space shuttle’s main engines is fed liquid hydrogen by a high-pressure pump. Turbine blades inside the pump rotate
3 answers
749 views
Two satellites A and B are in different circular orbits about the earth. The orbit speed of satellite A is three times that of
2 answers
683 views
is a random sample of 500 students large enough to represent all of the full time college students in the united states?
1 answer
496 views
What gravitational force do the two protons in the helium nucleus exert on each other? Their separation is approximately 1.0
3 answers
636 views
what is a social contract?
2 answers
466 views
need to identify the elements, compounds and mixtures of the iron and sulpher reaction.
1 answer
367 views
can a color blind female have a son that has normal vision? color blindness is caused by a sex linked recessive allele. N=normal
1 answer
689 views
The solubility of lead (II) chloride (PbCl2) is 1.6 x 10^-2 M. What is the Ksp of PbCl2?
3 answers
2,934 views
The pH of a solution that contains 0.818 M acetic acid (Ka = 1.76 x 10-5) and 0.172 M sodium acetate is
__________. The Ka of
3 answers
997 views
The pH of a solution that contains 0.818 M acetic acid (Ka = 1.76 x 10-5) and 0.172 M sodium acetate is
__________. The Ka of
2 answers
1,158 views
The pH of a solution that contains 0.818 M acetic acid (Ka = 1.76 x 10-5) and 0.172 M sodium acetate is
__________. The Ka of
5 answers
3,356 views
i am doing problems for chemistry class, and some of them are Calculating square root/ Cube Root but some are 4 and 5 instead of
3 answers
516 views
Does the flexible budget term mean A series of budgets for varying rates of activity?
1 answer
416 views
Chapter 1 & 2 Review Questions
1. Compare and Contrast the two main branches of physical science. 2. Distinguish between
3 answers
903 views
Solve the proportion for u.
(u-2):(u+3) = 4:3
1 answer
360 views
a student standing on the roof of a 50 meter high building kicks a stone at a horizontal speed of 4 meters per second, how much
7 answers
asked by
jack
11,291 views
two masses m' each are hanging with help of a light string,which passes over mass less pulley. mass A starts leaking out at a
1 answer
410 views
At 20 degrees celsius the vapor pressure of dry ice is 56.5atm. If 10 g of dry ice (solid CO2) is placed in an evacuated 0.25 L
1 answer
899 views
show that if L is any line through the origin in R3 and x is any vector with its initial point at the origin, then the
2 answers
568 views
a rectangular sheet of plywood is seven times longer than its width,write an simlify an expression for the perimeter of the
2 answers
598 views
If line f is parallel to the line h, and line f has y-intercept 5, what is the equation of line f ? With h passing h through two
1 answer
446 views
If line f is parallel to the line h, and line f has y-intercept 5, what is the equation of line f ? With h passing through two
1 answer
378 views
If line g passes through point (2, 2) and is perpendicular to the line h, then what is the equation of line g? With h passing
2 answers
916 views
If line f is parallel to the line h, and line f has y-intercept 5, what is the equation of line f ? With h passing through two
1 answer
405 views
Ammonia reacts with oxygen gas to form nitrogen monoxide and water. At constant temperture and pressure, how many of nitrogen
3 answers
704 views
What volume does a mixture of 14.2g of helium and 21.6g of hydrogen gas occupy at 28 degrees celcius and .985atm?
6 answers
1,954 views
in windows vista, how do you organize file list by file size?
1 answer
371 views
Modern lasers can create a pulse of light that lasts only a few femtoseconds.
(a) What is the length of a pulse of red light that
2 answers
565 views
Modern lasers can create a pulse of light that lasts only a few femtoseconds.
(a) What is the length of a pulse of red light that
1 answer
454 views
What is 7 letter word for finished. 3rd letter is R and 5th letter is U
2 answers
685 views
how do you Prepare a 0.1 L of a 0.1 M NaCl solution, and describe the process in writing.
1 answer
332 views
how do you Prepare a 0.1 L of a 0.1 M NaCl solution, and describe the process in writing.
1 answer
360 views
x=-2 output=12 x=1 output =9 x=4 output =6 help me solve
1 answer
246 views
x=-2 output=12 x=1 output =9 x=4 output =6 help me solve
1 answer
240 views
x=-2 output=12 x=1 output =9 x=4 output =6 help me solve
1 answer
236 views
Stereo Inc. sells a stereo system for $300 down and monthly payments of $80 for the next 3 years. If the interest rate is 3.25 %
2 answers
1,313 views
if you weigh 100 pounds on earth than how much would you weigh on each other planet in our solar system
1 answer
1,031 views
If two electrons (q = 1.60 x 10–19 C) are 1 m apart, what is the magnitude of the
electric force repelling the two electrons?
1 answer
382 views
. Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state
3 answers
1,057 views
If the angle of incidence is 30 degrees, what is the angle of reflection?
4 answers
1,208 views
derivative of ln(x^3 + 2)
1 answer
348 views
How do you change a word in the header. Then close Header/Footer when done?
2 answers
740 views
y=x^3
y=8 x=0 about x-axis its using shell method i need step by step help seriously !!!!
1 answer
266 views
why does a solution of ammonium acetate has a pH=7.5
1 answer
364 views
There are about 3400 species that represent 90 percent in the world what is the total number.
3 answers
323 views
The n th term (Un) of a progression geometric is given by the formula
2(1.1)^n. Find the least value of n such that Un ≥ n
1 answer
404 views
an electric motor lifts on elevator 9 m in 15s by exerting an upward force of 1.2 x 10^4 calculate the power
3 answers
769 views
in at least 4 sentences, compare and contrast the literary elements in the autobiographies of frederick douglass (my bondage and
1 answer
380 views
if anna drew a circle that has an area of 153.86 square meters what is the radius of anna's circle
4 answers
1,552 views
There are 4 seats in each row of a bus except the last row, which has 5 seats. The total number of seats can be written as 5 + r
2 answers
688 views
A photosynthesis experiment uses Chlorella to track the route taken by 14C in photosynthesis. The 14C is provided from CO2 and
3 answers
584 views
14 points Save
A photosynthesis experiment uses Chlorella to track the route taken by 14C in photosynthesis. The 14C is provided
2 answers
742 views
In conducting research that looks at differences in populations, samples are used for numerous reasons. Using entire populations
3 answers
592 views
In his algebra class, Rob has scores of 79, 85, 81, and 65 on his first four tests. To get a grade of C, the average of the
4 answers
2,790 views
find the slope:
(-2,-2) (3,6)
1 answer
236 views
If (3, b) is a point on the graph of 3x - 2y = 17, what is b?
-4 4 11/3 23/3
4 answers
964 views
Find all the points having an x-coordinate of 9 whose distance from the point (3, -2) is 10.
(9, 6), (9, -10) (9, 13), (9, -7)
2 answers
667 views
Two trains leave a train station at the same time. One travels east at 10 miles per hour. The other train travels west at 9
3 answers
1,007 views
look at the right triangular prism. Which side is perpendicular to edge ce at point e?
1 answer
363 views
A Glass Of Water Is Being Filled With Water At The Rate Of 12 Pi Cm^3/sec
And the radius of the top is 6 cm and the radius of the
1 answer
411 views
Find The Value Of (Sin 31) Using Approximation ?
3 answers
469 views
How Can I Find The Value Of (10 ^ -0.1)
(Without Using Calculator)
3 answers
359 views
a roller whose diamater is 1.0m.weight 360N.what horizontal force is necessary to pull the roller over a brick 0.1m,heigh when
2 answers
600 views
plz anyway help me for the solution of this question. from the top of a tower P,a ball is thrown vertically upwards.when the
1 answer
440 views
A canoe has velocity of 0.40m/s southwest relative to earth.the canoe is on a river that is flowing 0.50m/s east relative to
3 answers
989 views
What are the steps to solve it?
lim (x^2+y^2)/(sqrt(x^2+y^2+36)-6) as (x,y) approaches (0,0)
1 answer
317 views
What Is The Integration Of (0)?
1 answer
334 views
what sampling technique is used if a quality-control inspector selected every 20th DVD player as it came off an assembly line
1 answer
428 views
I Wanted To Find The Square Root Of (1-2i)
But I Didn't Know How To Solve It. My Solution : x+yi = sqr(1-2i) x2-y2+2xyi = 1- 2i
2 answers
490 views
A set of 100 open lockers are numbered from 1 - 100. Sarah comes by and closes all the lockers with even numbers. Then Sarah
2 answers
542 views
An 85 cm long pendulum with a 0.80 kg bob is released from rest at an initial angle of θ0 with the vertical. At the bottom of
3 answers
732 views
In 1976, the Lockhead SR-17A Blackbird set the record speed for any airplane: 3.53x10^3 km/h. suppose you observe this plane
3 answers
820 views
Kayla has 5 quarters, 3dimes,2 nickles and 5 pennies. How many different combonations of coins can she make to have 0.50?
2 answers
494 views
what is the unit rate for $3 for 4lbs.
1 answer
275 views
2 over 5 plus 1 over 8 equals blank plus blank equals
5 answers
652 views
An analytical chemist determines that an unknown sample contains 0.3452 mol of LiCl. How many atoms of chlorine does this sample
1 answer
388 views
Hi
I Have A Question About Rolle's Theorem Why We cant solve [ F(x) = abs(x) ] ? *abs = absolute
1 answer
397 views
Hi
would you please show how to know if the function is differentiable or not ? please show me the answer with examples
1 answer
302 views
o test the hypothesis that students who finish an exam first get better grades, Professor Hardtack kept track of the order in
1 answer
454 views
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