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lala
Questions and answers by
lala
Questions (192)
A certain radioactive material decays exponetially. The percent, P, of the material left after t years is given by P(t)=
4 answers
4,652 views
How does an individual with a competitive advantage lead to the evolution of an entire species?
A. Individuals that survive due
4 answers
244 views
A fence is 1.5m high and is 1m from a wall. A ladder must start from the ground, touch the top of the fence, and rest somewhere
5 answers
3,471 views
A thimbleful of water at 100 deg C has a higher temp than a swimming pool full of water at 20 deg C, but the pool has more
4 answers
2,573 views
Find the square of the complex number 2 - 2i and write the answer in the form a + bi
where a and b are real numbers
6 answers
983 views
chapters 10-11
1. what brqve things does atticus do in chapter 10? why are jem and scout shocked? 2. what did jem dp when mrs
2 answers
619 views
A siler bar 0.125 meter long is subjected to a temperature change from 200 degrees celsius to 100 degrees celsius what willbe
1 answer
472 views
In a private placings,the shares will be issued to the third party for raising capital of the company.Is the third party include
1 answer
453 views
A novel differs from a short story because it
2 answers
706 views
what is the simplest form 8/22
16/24,9/21/,20h/24h using product of prime factors.
1 answer
339 views
a rectangle has perimeter of 120cm
a) write the length of the rectalngle as a function of its width
1 answer
321 views
a driveway is 162 feet long, 12 feet wide, and 6 inches deep. how may cubic yards of concrete will be required to lay the
4 answers
1,059 views
83.6/4
1 answer
228 views
Could you please check these answers from Act 1 (Review it's only 5 questions)
1.What warning does the Prince issue to the
4 answers
2,490 views
I posted questions yesterday and it's on the next page. Could you please check them and get back with me thanks.
4 answers
656 views
calculate the number of moles in 0.00655 g of antimony
6 answers
1,719 views
it is not exactly an(affliction) but seniors are forced to park quite far from campus.
is affliction right
6 answers
339 views
Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates?
3 answers
635 views
throughout the novel of the scarlet letter,what did weeds and poisonous plants symbolize?
3 answers
479 views
compare and contrast beowulf from batman
3 answers
406 views
who is wulfings in beowulf
1 answer
486 views
solve: x^2+2x-3=0
1 answer
253 views
how is the way lady macbeth behaves in private to the way she behaves in public?
1 answer
353 views
defie le chatelier's principle and the role equilibrium plays in the reduction of stress
3 answers
580 views
How can i find f''(x) of the function f(x)= 2(cosx)(sec^2x)
6 answers
419 views
How do i find the second derivative of f(x)= tan(1-x)^1/2
2 answers
971 views
How can i find the ln of both sides of the equation?
6=6e^3x and O.2= e^-kt
2 answers
650 views
Some polymers are flexible when pulled one way but not another(example:milkbags). Can someone please explain why this happens?
1 answer
320 views
If 55.0 kJ of heat are added to 20.0 g of water at 20oC, what is the final temperature of the system?
4 answers
485 views
a nickel is about 2 millimeters thick,or 2/1,000 of a metter. how many nanometers is?
3 answers
538 views
when did american economic institutions began to be shaped in a capitalist framework?
A.during the colonial period B.during the
5 answers
1,813 views
If a mole of hydrogen gas (H2) contains 6.02 x 10^23 molecules, how many molecules are there in 10.0 moles of hydrogen gas?
Answe
3 answers
1,493 views
kelly subtracted 2.3 from 20 and got 17.7 explain why this answer is reasonable
5 answers
800 views
what should you call a man with a clamp
20 answers
4,840 views
Why was the destruction of the buffalo significant to the lives of Native Americans on the Plain?
2 answers
503 views
To solve the inequality -1/2 k is greater then or equal to -5, Danny multiplied both sides by the
reciprocal of -1/2 . His
2 answers
545 views
Will the world end on december 2012?
I don't think it will
3 answers
416 views
What were the headlines after a mad scientist trained two eggs to attack a candy store with sharp sticks?
10 answers
1,816 views
y=2/3x-1
1 answer
197 views
y=-2x+1
3 answers
600 views
Simplify 1/2x-3/x+6
3 answers
290 views
A clump of soft clay is thrown horizontally from 30.63 m above the ground with a speed of 30.0 m/s. Where is the clay after 3.8
3 answers
1,579 views
how do you find the lenght of the midsegment of a trapezoid when one base equals 21 and the other 17 ?
1 answer
397 views
why did they try to build a house on orgo's head?
10 answers
2,641 views
Factorize (x+2)^2 + x^2 +6x + 8
3 answers
422 views
Simlplify 1/(2x) - 3/(x+6)
1 answer
244 views
Two cars of equal mass are traveling as shown in the figure below just before undergoing a collision. Before the collision, one
1 answer
747 views
Two cars of equal mass are traveling as shown in the figure below just before undergoing a collision. Before the collision, one
4 answers
568 views
Suppose a crate of mass 2.8 kg is placed on the plank in the figure below at a distance 5.1 m from the left end. Find the forces
2 answers
614 views
why was the congo free state not able to make a profit in the early years?
4 answers
490 views
explain body is thrown vertically downward?
3 answers
749 views
in what movement does participate james weldon johnson and zora neale
1 answer
422 views
a cyclist travel a distance of 4km from P to Q then moves the distance of 3km at right angle to PQ. find its resultant
4 answers
946 views
Person A opens an IRA at age 25, contributes $2000 per year for 10 years, but makes no additional contributes thereafter. Person
1 answer
714 views
16g of bone displaced a volume of 8mL of water.what is the density of the bone?
3 answers
878 views
2(5-8n)= -4(3+4n)
1 answer
298 views
Suppose this block is dropped into 25.0ml of water. What will be the new volume reading?
Help me please . I dot get it!!
1 answer
427 views
a sled and rider with a combined weight 60kg are at rest on the top of a hill 12m high. what is their total energy at the top of
1 answer
654 views
When a baseball is hit it comes in contact with the bat for 0.001 seconds.Write that as a negative exponet?
1 answer
322 views
1 A block of mass mb sits atop a at wooden plank of mass mp on a plane inclined an angle theta with respect to thehorizontal.
2 answers
529 views
Im 13 in the 8th grade and i need help on figurinmg out simularites between mitosis and meosis please help thanks :]
5 answers
1,015 views
20. A scale drawing of a town park has a scale of 5 in : 100 ft. What is the actual length of each foot in the drawing? (1
7 answers
1,174 views
what is the domain of f if f(x)=2cos(4x+pie)-1
1 answer
369 views
a large chunk of ice with mass 15 kg falls from a roof 8 m above the ground . find the kinetic energy of the ice when it reaches
3 answers
2,011 views
A kid fires water horizontally from a squirt gun held 1.6 above the ground. It hits another kid 2.1 away square in the back, at
4 answers
1,382 views
Suppose K = {{2,3,4,5,6,7},{2,5,7,8,12},{1,2,3,5,7,9,13,20}}. Find three upper bounds for K in P(N) and three lower bounds. Does
1 answer
361 views
Suppose K = {{2,3,4,5,6,7},{2,5,7,8,12},{1,2,3,5,7,9,13,20}}. Find three upper bounds for K in P(N) and three lower bounds. Does
1 answer
368 views
Romeo and juliet
i need a conclusion for my essay the theme is how love can make you do crazy things. so far my 3 paragraphs
4 answers
582 views
regarding management and leadership, which statement is most accurate?
1 answer
1,077 views
according to -theory, employees compare the inputs and outputs of other employees doing similar jobs. unfavorable comparisons
1 answer
385 views
the american federation of labor was formed under the leadership of who?
1 answer
465 views
when driving at night at a speed of 80 km/hr, a deer suddenly appeared and frozen in your head light. The distance between your
3 answers
619 views
Use supply and demand economic theory and diagram to explain why the prices of houses has changed so much over the last 3 years.
1 answer
314 views
Use supply and demand economic theory and diagram to explain why the prices of houses has changed so much over the last 3 years.
1 answer
311 views
a piece of metal weighs
2 answers
869 views
test the claim that less than 30% of the students in class own a car at the 0.10 significance level.
1 answer
350 views
how to prepare and calculate 10%,20% and 30% of phosphoric acid from the concentrated? Meaning that if 10% = 10%phosporic
4 answers
1,064 views
A car travels down the highway at speeds between 50 miles per hour and 65 miles per hour. If the car travels for 4 hours, write
3 answers
1,121 views
1) how many molecules are present in 1.5 moles of NaCl?
2) how many atoms of chlorine are in 19.0 grams of MgCl2?
3 answers
1,512 views
20. Which of the following rectangles is similar to a rectangle that measures 13 units by 25 units?
1 answer
458 views
Calculate the pH of 0,3g calcium hydroxide dissolved in water to give 500ml solution.
2 answers
743 views
1. Evaluate the given integral by making an appropriate change of variables, where R is the region in the first quadrant bounded
1 answer
803 views
What is the effect of increasing the water level on the speed of a motorboat when traveling downstream and upstream?
1 answer
1,259 views
A fuel storage tank has one supply pump and two identical outlet pumps. With one outlet pump running, the supply pump can
3 answers
1,092 views
what are three programs financed from one payroll tax to which employers and employees contribute at a rate specified by law ?
4 answers
420 views
with all other factors equal, if you double the balanced force on an abject of a given mass the acceleration will be?
1 answer
445 views
Calculate the number of kJ released for the reaction shown below, if you begin with 52 grams of fluorine (F2), and the ΔH =
4 answers
1,166 views
If the absolute pressure at the bottom of the ocean is 120 kPa, how deep is the water at this point
4 answers
3,800 views
Gary is carrying out two chemistry experiments. In experiment A he mixes hydrochloric acid with sodium carbonate. In experiment
1 answer
429 views
A car completes a trip in 20 minutes. for the first half of the trip the speed of the car was 100km/h and the speed for the
2 answers
618 views
a car travels at 25m/s on a slick road takes 4 second to come to a complete stop. what was the car's average acceleration over 4
1 answer
390 views
9:2x=15:12 , so x= ..?
1 answer
362 views
from a group of 5 people, how many ways can 3 be selected?
1 answer
368 views
if A=5^3*7^3*3^4, find the smallest number A must be multiplied to get a perfect square
4 answers
475 views
Solve for x.
4(12)4x=1000 Enter your answer to the nearest hundredth in the box. x ≈ 5.21
2 answers
552 views
tracy is 7 times as old as heather. if let x be the age of heather now. If in five years time , tracy will be four times as old
1 answer
447 views
help please??
A bocce ball with a diameter of 6.00 cm rolls without slipping on a level lawn. It has an initial angular speed of
1 answer
793 views
A bag contains some silver balls and golden balls. If you remove one silver ball from the bag, 1/7 of the remaining balls in the
1 answer
419 views
The oil drain plug on a car's engine has just been tighten to a torque of 25m*N.
a) if a 0.15m long wrench is used to change the
3 answers
1,669 views
Gallium melts just above room temperature and is liquid over a very wide temperature range (30-2204 °C), which means it would
4 answers
2,940 views
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