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Kristen
Questions and answers by visitors named
Kristen
Questions (296)
The limestone blocks from which an ancient pyramid was made weigh about 2 tons per cubic yard. Find the approximate weight of
4 answers
1,692 views
A grain storage tank is in the shape of a cylinder covered by half a sphere. The height of the cylinder is 50 feet and its
3 answers
2,424 views
How can I use bar diagrams to divide unit fractions by whole numbers?
6 answers
1,211 views
1. name and define in detail the four organic compound groups that make up the chemistry of living things.
Lipids, carbohydrates,
1 answer
566 views
cells are the basic unit of life based on the original cell theory. name and define the function of at least nine organelles of
3 answers
743 views
Critical to life is the function of the cell membrane and its ability to move materials across the cell membrane. Define each of
1 answer
1,096 views
living organisms require energy to function and this includes each and every one of the trillions of cells that constitute the
1 answer
828 views
living organisms require energy to function and this includes each and every one of the trillions of cells that constitute the
1 answer
635 views
3. Critical to life is the function of the cell membrane and its ability to move materials across the cell membrane. Define each
2 answers
848 views
4. living organisms require energy to function and this includes each and every one of the trillions of cells that constitute
1 answer
577 views
I have to write a commentary on the play the glass menagerie where i have to analyze the author's style and my impression on the
1 answer
505 views
Meat tenderizers contain enzymes. How do these enzymes affect protein in meat?
The enzymes break the tendons and muscle to make
3 answers
512 views
Why don't nerve and muscle cells undergo mitosis?
Go to the link and scroll way down to G2 Phase for a short answer:
1 answer
464 views
Some conifers bear female cones on the top half of the tree and male cones on the bottom half. Why do you think this arrangement
1 answer
891 views
Some conifers bear female cones on the top half of the tree and male cones on the bottom half. Why do you think this arrangement
1 answer
483 views
A hoodlum throws a stone vetically downward with an initial speed of 12.2 m/s from the roof of a building, 28 m about the
2 answers
581 views
To stop a car, you require first a certain reaction time to begin braking. Then the car slows under the constant braking
5 answers
832 views
A startled armadillo leaps upward rising .536 m in the first .197 s. What is its initial speed as it leaves the ground? What is
1 answer
950 views
A ball of moist clay falls to the ground from a height of 12 m. It is in contact with the ground for 20.5 ms before coming to
1 answer
794 views
A basketball player, standing near the basket to grab a rebound, jumps 62 cm vertically. How much time does the player spend in
2 answers
645 views
A hot air balloon is ascending at the rate of 13 m/s and is 75 m above the ground when a package is dropped over the side. How
1 answer
443 views
A drowsy cat spots a flowerpot that saild first up and then down past an open window. The pot was in view for a total of .43 s,
6 answers
1,504 views
A drowsy cat spots a flowerpot that sails first up and then down past an open window. The pot was in view for a total of .43 s,
3 answers
761 views
A hot air balloon is ascending at the rate of 13 m/s and is 75 m above the ground when a package is dropped over the side. How
3 answers
665 views
A basketball player standing near the basket to grap a rebound, jumps 62 cm vertically. How much total time does the player s in
2 answers
823 views
A startled armadill leaps upward rising .536 m in the first .197 s. What is its initial speed as it leaves the ground? What is
2 answers
939 views
a ball of moist clay falls t the gournd from a height of 12m . It is in contact with the ground for 20.5 ms before coming to
3 answers
629 views
A startled armadill leaps upward rising .536 m in the first .197 s. What is its initial speed as it leaves the ground? What is
1 answer
415 views
I would just like to sat thanks to drwls for helping me a bunch with the physics questions...AP physics is pretty hard..thanks
2 answers
550 views
Set Q is defined as odd integers from 1 to 2000. How many ordered pairs (a,b) are there in set Q whereby a<b?
3 answers
454 views
The mean of five whole numbers is 12. If you take away the smallest number, the mean is 16. What is the smallest number?
3 answers
369 views
A ball is shot from the ground into the air. At a height of 0.1m, the velocity is observed to be v=7.7i + 6.4j in meters per
4 answers
585 views
The relatioship of structure to funtion is one of the major themes in biology. Describe the structure of enzymes and then
2 answers
635 views
The fast train known as the TGV that runs south from Paris, France, has a scheduled average speed of 216 km/h. If the train goes
1 answer
467 views
how do i find angular acceleration?
1 answer
341 views
What is the probability of rolling a six with a standard die, six times in a row?
3 answers
434 views
An elevator and its load have a combined mass of 1550 kg. Find the tension in the supporting cable in Newtons when the elevator
2 answers
602 views
An airplane in a horizontal circle at a speed of 130.5556 m/s. If its wings are tilted 40 degress to the horizontal, what is the
2 answers
800 views
What is the answer to this analogy?
join:club::enroll:?
1 answer
361 views
Which of the following statements about NAD+ is false?
A). NAD+ is reduced to NADH during both glycolysis and Krebs cycle B).
4 answers
3,084 views
A .35 kg ladle sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (with the spring
2 answers
762 views
A .35 kg ladle sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (with the spring
4 answers
1,105 views
A 1.7 kg bundle starts up a 30 degree inlcine with 105 J of Kinetic Eneergy, How far will it slide up in the plane if the
1 answer
411 views
A paratrooper fell 380m from an airplane without being able to open his chute but happened to land in snow, suffering only minor
2 answers
1,211 views
a cue stick strikes a stationary pool ball, exerting an average forece of 50 N over a time of 7 milliseconds. If the ball has
2 answers
1,131 views
Which molecule contains ribose has its sugar?
where in the cell does DNA become RNA?
3 answers
545 views
do you guys have an someone that good with advanced physics, because i have a few problems that i am not sure how to do and its
3 answers
719 views
On Block has a mass M=500 g, the other has mass m=460 g, they are hooked to a string and is on a pulley will one mass on either
5 answers
1,602 views
starting from rest, a disk rotates about its central axis with constant angular acceleration. In 4 seconds, it has rotated 50
2 answers
757 views
A record turntable is rotating at 33 and 1/3 rev/min. A watermelon seed is on the turntable 7.5 from the axis of rotation
Calcula
3 answers
1,713 views
A uniform spherical shell of mass M and radius R rotates about a vertical axiss on frictionless bearings. A massless cord passes
4 answers
1,479 views
A uniform spherical shell of mass M and radius R rotates about a vertical axiss on frictionless bearings. A massless cord passes
3 answers
1,121 views
Eliminate the parameter and write the corresponding rectangular equation. X=2cos theta, y=4sin theta
3 answers
1,916 views
what are the slopes of the asymptotes of the hyperbola: (x^2)/9 - (y^2)/4 = 1
3 answers
1,164 views
It has been since the beginning of last year since I last did this math and the teacher I currently have is a sub and doesn't
2 answers
571 views
Find the limit of (10^x - 5^x)/x as x approaches 0
1 answer
363 views
use the rule that says
limit of (e^h - 1)/h = 1 as h approaches 0 to show that the limit of [ln(x+h)-lnx]/h as h approaches 0 =
1 answer
513 views
use the rule that says
limit of (e^h - 1)/h = 1 as h approaches 0 to show that the limit of [ln(x+h) -lnx]/h as h approaches 0 =
1 answer
400 views
If f(x) and g(x) are continuous functions with f(6)= 3 and limit as x approaches 0 of (5f(x) - g(x)) = 4, what is g(6)?
2 answers
482 views
The top and bottom of a can must be made of copper that costs two cents per square inch and the curved side is to be made of
4 answers
537 views
How do i add two negative fractions?
4 answers
311 views
ok the problem is -1/14+(-3/7)
1 answer
443 views
K I have to write a report on housing insulation. I'm trying to find out when people first starting using it. Any ideas?
3 answers
394 views
Hi there, could you help me create a thematic statment for the following essay question
Discuss the contribution to Scout's
2 answers
667 views
comparing French, ducth, and english colonies, which ones attracted the most settlers, and which the fewest? in what colonies
3 answers
1,144 views
Which type of angle has the GREATEST number of degrees?
2 answers
826 views
How do I write an IF formula for the following statement?
**July’s budgeted expenses are based on the differences between the
1 answer
871 views
How do I write an IF formula for the following statements?
**July’s budgeted expenses are based on the differences between the
1 answer
408 views
How do I write an IF formula for the following statements?
**July’s budgeted expenses are based on the differences between the
1 answer
482 views
Find a function f(x) = a + b sqrt(x) that is tangent to the line 2y - 3x = 5 at the point (1,4) AND Find a function of the form
2 answers
516 views
A rectangle has an area given by A=x^2+7x+2. Find expressions for the possible length and width of the rectangle.
1 answer
437 views
How do I calculate 25.00mL of 5.0*10^-4 M of FeSCN^2+ using 0.002 M Fe(NO3)3, 0.002 M KSCN, 0.1 M of HNO3 and water?
1 answer
448 views
How do you solve using the elimination method
0.3x-0.2y=4 0.5x+0.3y=-7/17
1 answer
345 views
0.05x+0.25y=11
0.15x+0.05y=12 solve using the elimination method
1 answer
412 views
How do you solve using the elimination method
0.3x-0.2y=4 0.5x+0.3y=-7/17
1 answer
379 views
solve using the elimination method
0.05x+0.25y=11 0.15x+0.05y=12
4 answers
472 views
The sides of a triangle have the equations y=-1/2x+1, y=2x-4, and y=-3x-9. Verify that the triangle is an isosceles right
6 answers
880 views
Bayside Insurance offers two health plans. Under plan A, Giselle would pay the first $150 of her medical bills, plus 40% of the
1 answer
391 views
Using ƒ´Hfo and So values, calculate the standard molar free energy of formation for
each of the following: a. CuSO4(s) b.
1 answer
441 views
2. Methanol, CH3OH, is used as fuel in race cars. This liquid fuel can be synthesized
using the following process C(s)+ ½ O2(g)
1 answer
948 views
How do figure out if a porabala is streched or compressed?
1 answer
302 views
The area if a rectrangular swimming pool can be represented by the trinomial expression 6xsqaured+5x-4. If x= 4m, what is the
4 answers
387 views
When magnesium is heated in air, it reacts with oxygen to form magnesium oxide.
2Mg + O2 --> 2MgO If the mass of the magnesium
5 answers
2,795 views
If 20ml of glacial acetic acid (pure HC2H3O2) is diluted to 1.5L with water, what is the pH of the resulting solution. The
3 answers
1,205 views
find the pH of each of the following solutions of mixtures of acids: .125M in HBr and .130 M in HCHO2, .155M in HNO2 and
2 answers
1,242 views
How do I find the area in square yards, using the distributive property, of a rectangular lot - no numbers given. I'm calling
1 answer
443 views
A car travels due east with a speed of 60.0 km/h. Rain is falling vertically with respect to the Earth. The traces of the rain
5 answers
1,360 views
Suppose that you are planning a backpacking trip and will need to boil 40 L of water for your group. What volume of fuel should
1 answer
671 views
In a very simple model of the lower atmosphere, air has a constant density of 1.25 kg/m3. How much would the air pressure change
1 answer
385 views
A load of 54 N attached to a spring hanging vertically stretches the spring 4.9 cm. The spring is now placed horizontally on a
2 answers
565 views
A load of 54 N attached to a spring hanging vertically stretches the spring 4.9 cm. The spring is now placed horizontally on a
3 answers
1,875 views
An architect makes a scale drawing. She uses 2 cm to represent 100 m. What is the scale ratio for her drawing? Show your work.
2 answers
564 views
In ( ) are my verb tense. Would you please tell me if they are correct?
I need (Present Tense) to participate in a financial
2 answers
1,074 views
A motorcycle, initially traveling at a speed of 14 m/s, slows down (decelerates) at a rate of -3.5 m/s2 for 2 s. How far does it
3 answers
425 views
A Corvette, initially traveling at a speed of 6 m/s, speeds up (accelerates) at a rate of 0.2 m/s2 for 3 s. How far does it
1 answer
408 views
Friction provides the force needed for a car to travel around a flat, circular race track. What is the maximum speed at which a
3 answers
2,478 views
how do you put the polar equation r^2(sin2u)=6 into rectangular form?
1 answer
327 views
Describe, in detail, how to make 5.5 liters of a 2.5 molar HCl solution from a 10.5 molar HCl stock solution.
2 answers
992 views
A Vogon’s grandmother, whose mass is 89 kg, drifts through empty space with a velocity of –6.20 m/s until she encounters the
1 answer
338 views
A 1440-kg crate of cabbages is laid on a level, frictionless track at the end of a heavy spring. The spring is compressed a
1 answer
1,095 views
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