KC

This page lists questions and answers that were posted by visitors named KC.

Questions

The following questions were asked by visitors named KC.

Three statements that define all living things in terms of cells That's not even a complete sentence or question. I searched Google under the key words "<I>living cells define</I>" to get these possible sources: http://www.answers.com/topic/cell http://en...

Explain the risks or benefits that the practice would face by attempting to capitalize on the opportunity. I'm not really sure what this part of my assignment means. I am writing a paper for my health and human services class about an orthopedic surgery p...

Solve the system by graphing. 3x+y=6 3x-y=0 I'm kind of unsure about how to do this. I'm thinking I just put any point in for x and then solve for y...is that right? you could let y=3x then substitute this value of y to the first equation...3x+3x=6 so, ev...

Multiply and simplify 2/3*13 The answer is 22. Right? if you mean (2/3) * 13 or 2 / (3*13) i believe according to both your answer is wrong Is that (2/3)*13? If so, then (2*13)/3= something other than 22. Or if it is 2/(3*13) = it is not 22. Show your wor...

Please help!! 5/2y+14

Solve the equation on the interval 0 less than or equal 0 < 2pi. 1. sec 30/2 = -2 2. cos(20 - pi/2) = -1 3. tan(0/2 + pi/3) = 1

use a graphing utility to solve each equation, rounded to 2 decimal places 1. x^2 - 2sin2x = 3x 2. x^2 = x + 3cos2x

A carpenter is building a rectangular room with a fixed perimeter of 112 ft. What dimensions would yield the maximum area? What is the maximum area?

The width of a rectangle is 1 ft. less than the length. The area is 2ft^2. Find the length and the width.

What does it mean to refer to a 20-in TV set or a 25-inch TV set? Such units refer to the diagonal of the screen. A 20-in. TV set also has a width of 16 inches. What is its height?

Jack usually mows his lawn in 4 hours. Marilyn can mow the same yard in 7 hours. How much time could it take for them to mow the lawn together?

What does it mean to refer a 20-in television set or a 25-in TV? Such units refer to the diagonal of the screen. A 20-in set also has a width of 16 inches. What is the height?

Find all numbers for which the rational expression is undefined. p^3 - 4p/P^2 - 4

Factor completely 100r^2 + 160rt + 64t^2

I'm comparing the "g-force" of a rocket and a race car. My answer for the race car corresponds to the answer in the book but my answer for the rocket is off by 1. The book says I need to add 1 G because the rocket is going upward. So, instead of my answer...

I'm having a hard time with some free body diagrams. If you have a box on a slope/ramp and the angle of the ramp is X degrees why is it that the angle between the normal force and the gravitational force is also X degrees? Am I missing something obvious h...

Calculate the work done by the applied force accelerating a 2 kg object at 3 m/s/s over 4 m if there is a 2.5 frictional force of resistance. I calculated using F=ma=6N; then net force = 6N-2.5N=3.5 N so W=fd=14J. Did I do this correctly? Thanks

I have a follow-up to my question at 4:10 about work because I still can't figure it out. F-F(friction)=ma F-F(friction)=2*3 F-2.5=2*3 F=2*3 + 2.5 W=Fd W=(2*3 + 2.5)4 Distributing the "4" I get W=2*3*4 +2.5*4 Please help in pointing out where I have gone...

I don't know where to start with this one. "Find the work done accelerating a 2 kg box from 2m/s to 3 m/s." Can't find acceleration because I don't know time. In fact, I don't see how any of the kinematic equations can help me out to find either distance...

If a ball is sliding along a frictionless horizontal surface is the total work being done on the ball zero? I think so because there is no mention of applied force. Am I correct? P.S. On this holiday weekend, I want to send a BIG THANK YOU to all the teac...

can u please give me a site that will have a short but an informative article on the English Reformation? thnks

1. A famous scientist once said that wherever in the universe life exists, some of those life-forms must be colored. Why would the scientist make such a statement? 2. One of the accessory pigments used in photosynthesis is beta-carotene, a carotenoid foun...

I need this question put into an equation. I have been working on this forever and cannot figure out! Please explain what you did. Thanks so much for your time! Mark sold 105 tickets for the basketball game. Each adults ticket cost $2.50 and each child's...

I'm having trouble with reciprocal functions. If a graph of a reciprocal function is given, how do you find its equation? Any help would be really appreciated.

What are the three most important points you think a group of people must keep in mind when working collaboratively on a writing project? Why? Support your response with references to readings and personal experiences.

Fireworks are fired at an angle of 82degrees with the horizontal. They are expected to explode about 100 m in the air, 4.8 secs after they are fired. What is the initial velocity of a shell fired from ground level. I think I have to find the vertical and...

If the ratio of onions to cilantro is 4:3 and I'm using 2/3 cup of onions, how much cilantro will I need?

Calculate the equilibrium constant (K) for the ammonia synthesis reaction at 25°C and show how K is related to the partial pressures of the species at equilibrium. Consider that the overall pressure is low enough for the gases to be treated as perfect. N2...

Calculate the standard reaction Gibbs energy of the oxidation of ammonia to nitric oxide according to the equation 4 NH3g) + 5O2(g) → 4 No(g) + 6 H2O(g).

A 100 amino acid folded protein (F) is in equilibrium with it’s unfolded (U) (or denatured) form. Let ΔrH(std) =+347 kJ mol-1 and ΔrS(std) =-1010 J K-1 mol-1 for the equilibrium (F U) at 25℃. (a) Calculate the concentration of protein in each form if the...

The equilibrium constant for a reaction was measured at several temperatures and the data plotted at right. The slope and y-intercept of the plot are +3.25 kK and -4.04, respectively. Calculate ΔrH(std), ΔrS(std), and ΔrG(std) using this information.

A 726 kg car travels from Boone to Blowing Rock along US321. How much working is needed to keep the car traveling at a constant speed of 21.8 m/s around a curve of radius 28.4 m?

I have to compare two amounts given in percent. Last year, 80% of a cafe's sales were coffee; this year only 20% of the cafe's sales are coffee. How much has the percent of coffee sales changed over the past year. Is the answer simply down by 60% or is it...

A class has 12 students. In how many different ways can the students be put into lab groups consisting of 3 students in each group. The answer in the book is 369600. But I do not understand how they got this answer.

How would a communist economy react to social and technological changes? What is the role of nature in a communist economy? I can't find any information on these subjects. Could someone please help me? Thanks so much

I'm writing a paper about re-enlisting during the American Revolution, even though I'm miserable with the sick and dying all around me. I need to come up with a good grabber to start my paper with. Can you help?

What addition property can you use to find the missing number? 8+(6+5)=8+(5+_)

If FD=4x-27, and SG is congruent to FD and SG=2x-3, Then whais the length of SG?

How would you write that line segment PK has equal length with line segment OQ?

If there are 264 students in a school and there are 84 eighth graders and There are 22 fewer seventh graders than sixth graders. Then which grade has the most students and how many students are there.

Jun-Jee either ran 5 or 7 miles each day for 30 consecutive days. His total mileage during this period was 166> How many days did he run 5 miles? How many days did he run 7 miles?

There are 189 students in the band. The difference between the number of boys and the number of girls is 27. How many boys and girls each are in the band?

Greta said that the product of two prime numbers must also be a prime number. Joan disagreed. Who is correct?

Which of the following would be the most sigificant between mitosis and meiosis? A. Chromosomes are duplicated before mitosis B. Meiosis is not followed by cytokinesis C. Homologous Pairs of chromosomes are split up in meiosis. D. Crossing over occurs in...

Jamal buys 59 stickers. Stickers come in packs of 5 or 8. How many packs of 5 stickers does Jamal buy? 8 stickers?

An isosceles triangle has its vertex at the origin and the ends of its base on the parabola y=9-x^2. Express the area of the triangle as a function of the length of its base. Assume its base lies above the x-axis.

A truck tire with a diameter of 36 in is rolling over level ground spinning at 11 rotations/second. If the speed limit is 55 miles per hour and the penalty is $20 per hour over the speed limit, should the driver be fined and if so, how much?

An oil tank is the shape of an inverted right circular cone with the pointed end down. The tank is 15 feet tall and is 12 feet in diameter at the top. At 1:00pm, the tank has oil 5 feet deep in it. Oil is pouring in at 5 cubic feet per minute. To the near...

Answer check please: Consider the circle (x-3)^2 + (y+1)^2 = 169. The point (15,4) is on the circle. Find an equation for the line that is tangent to the circle at this point. I got y= 5/12x-9/4.

Prove that lim (x->0) x^4 cos 2/x = 0.

Use a graph to find a number delta such that if abs(x-pi/4) < delta then abs(tanx-1) < 0.2. I understand that the epsilon is 0.2. But what step do I take next? How do I solve the problem?

Use the Intermediate Value Theorem to show that there is a root of the given equation in the specified interval. x^4+x-3=0, interval (1,2). According the to theorem, I found that a is 1, b is 2 and N is 0. f(1)= 2 and f(2) = 17. Is the root (1.16,0)?

Use the Intermediate Value Theorem to show that there is a root of the given equation in the specified interval. cos x = x. How do I begin this problem? According to the theorem, a=0, b=1 and N=x?

Rank the following from most polar to least polar (aspirin, caffeine, ibuprofen, acetaminophen): I am getting caffeine>acetaminophen>aspirin>ibuprofen. Is that correct?

A cylindrical can with both a top and bottom has the same surface area as a cube with edge 50mm. The height of the can if 6cm. Find the radius of the can to the nearest thousandth.

Find an expression for the function. Top half of the circle: x^2+(y-2)^2=4.

A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 12 in by 12 in by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a fun...

Helping grandson with math. I would like to know how to do it before he does. "How many different rectangles can be made with a perimeter of 20 units? (Remember, a square is also a rectangle.)"

A car converts 1000 J of energy from a sample of fuel. 750 J of heat (thermal energy) is produced by the engine, 150 J of heat is produced in the transmission, drive train, etc., and 100 J of work is done to move the car. How efficient was the process of...

a hemisphere container is made with the following dimensions. the external diameter of the container is 12 cm. the internal diameter of the container is 6 cm. it is filled with water to the brim. what is the density of the empty container if the total mas...

David and Mike are brothers. David is 33 years old today. This is three times as old as Mike was when David was the age that Mike is today. How old is Mike?

Determine the pH of an HF solution with a 4.70x10^-2M and 2.20x10^-2M. I tried this by looking up the Ka and putting it over molarity-ka squared. Am I doing something wrong? Can someone please show me the proper way to solve this problem?

A BALL IS DROPPED (V=0) FROM A TOWER 7 M HIGH. HOW FAR WILL THE BALL HAVE FALLEN AFTER AA TIME T1=1 S, T2=2S AND T3 = 3S.

Question 1 of 20 Why is microwave holographic imaging not being used as a security measure in U.S. airports? A. The cost is prohibitive. B. It violates the Fourth Amendment rights of passengers. C. It issues too many false alarms. D. Each passenger must s...

For f(x) = 3x + 4 and g(x) = x - 1. Calculate (f o g)(x). For f(x) = 3x + 2 and g(x) = x². Calculate (f o g)(-2). Consider the function. f(x)= -2x+1. Find the inverse of f(x). Please help! How do I solve this?

This same substance is a gas with a density of 1.25 g/L at 127o C and a pressure of 400 torr. What is its molar mass ?

An example of homologous structures would be our front teeth and ___: a. the mandibles of a crab b. the mouthparts of a mosquito c. the beak of a bird d. the tentacles of a sea worm e. the front teeth of a horse I'm having difficult on which answer is rig...

ANGLE OF ELEVATION

Which of the following best explains why Adam Smith is considered the father of modern economics?(1 point) Responses 1.Adam Smith discussed economic ideas in his book Philosophical Dictionary . 2.Adam Smith discussed how government should only control eco...

Which statement best investigates the relationship between the Enlightenment and laissez-faire capitalism?(1 point) Responses 1.The Enlightenment had no impact on the development of laissez-faire capitalism. 2.Both laissez-faire capitalism and the Enlight...

Which statement best explains the development of free enterprise capitalism?(1 point) Responses 1.Capitalism was only developed because of the Industrial Revolution. 2.Capitalism developed over time in response to changes in European society. 3.Capitalism...

Which of the following statements best explains how Enlightenment thinkers challenged political authority?(1 point) Responses 1.Enlightenment thinkers often debated ways to limit the power of the authority or government. 2.Enlightenment thinkers debated w...

What did you notice about the Total Average Energy in the energy diagram as the temperature increased.(2 points) Responses 1. The total average energy increased but never went about the potential energy. 2. The total average energy decreased as temperatur...

How did shifting social structures lead to revolution in Spanish colonies?(1 point) Responses Enslaved people sought to better their social status, leading to revolt in Haiti. Enslaved people sought to better their social status, leading to revolt in Hait...

Answers

The following answers were posted by visitors named KC.

Thanks to you both!

Thanks. This explanation really helps me.

You guys are great! Now I get it!

Help!I'm really lost on this one.

Thank you so much!!!

Thanks. Is this the only way to calculate because in our lesson we only learned the formula for work =fd? We've haven't done KE yet.

Thank you very much!

My paper is on 3 reasons I would stay and fight 1. with so many men being sick or dying, I will stay and fight 2. freedom doesn't come cheap and anything of value is worth fighting for 3. the Congressional Committee that G. Washington brought over to Vall...

Thankyou Sir for helping me. I am studying for my tcap exam and some of the stuff on the test we didn't have time to cover because it snowed so much and we couldn't go to school.I think I no what I am looking for now. You have been a bunch of help.

You could demonstrate the process with an example by replacing the equal sign in the example with an inequality by using the less than or greater than sign (< or >) Then solve the inequality by your example. :)

Thank you:) I got x=12 too but I wanted to make sure I was correct.

Thank you so much !!!!

Thank you so much!

since the mean is a parameter of interest, it is a better estimate.

6.25 is correct

755.01, 755.58, 765.29, 747.10, 745.4, V30.00

The orbitals 2s and 3p would be the same shape as the 1s and 2p, but would be larger in size.

I'm at hospital right admitted and I don't have my book which is at my house. I wont have access to it until I get released in which its looking like not anytime soon. FYI MS. SUE

Can you somewhat explain how you got 1 and 2,Im trying to understand D:

wouldn't that be -10?

They are 100% right. I just took the quiz :)

i just multiplied by 2

NOT HELPFUL COME ON PEOPLE TAKE THE TEST THEN REVIEW WHAT THE RIGHT ANSWERS ARE ADTER SUBMITING IT!!!!!!

She didn't win because she got a score of 2 under par but the winner got a score of 5 under par. The lower the score in golf, the better, because you want to hit the ball into each hole in as few strokes as possible.

Hey guys, here are the answers to the test! I got a few wrong but made sure to correct them all so you guys could get a 100% 1: B 2: C 3: C 4: D 5: D 6: C 7: A 8: A 9: C 10: D 11: D 12: C 13: B 14: A 15: D 16: B 17: C 18: B 19: A 20: C 21: C 22: D 23: A 2...

Jeez, there's a lot of wrong answers to the test here. I got a few wrong but made sure to correct them all so you guys could get a 100% 1: B 2: C 3: C 4: D 5: D 6: C 7: A 8: A 9: C 10: D 11: D 12: C 13: B 14: A 15: D 16: B 17: C 18: B 19: A 20: C 21: C 22...

Straight answer 0.3 joules

Thats wrong the answers (if not changed are) b a d c a c a d b b b c a a This worked for me but it might have changed for everybod

Bruh rlly R.I.P Ms.Sue

for connections

False False Recognize your strengths and weaknesses

I love you Farmer! Thank you!

Can someone show me how to do this again??? I am still confusion...

I need it ASAP!

Thank you A random freshman!

Can anybody help me with # 17?

What would an investigation into the cultural impacts of the Enlightenment conclude?(1 point) Responses 1.It would conclude that the Enlightenment increased the authority of the Catholic Church. 2.It would conclude that the Enlightenment led to the rise o...