# Posts by CC

Total # Posts: 299

**chemistry**

According to the following chemical equation: N2 + 3H2 ? 2NH3 How many grams of hydrogen are needed to completely react with 28.0 grams of nitrogen?

**Physics**

The driver in a car of total mass 800kg and which is travelling at 20m / s suddenly observes a stationary dog in his path 50m ahead . if the car brakes can exert a force of 2000N, what will likely happen

**ELA**

All you have to do is basically make the introduction more dramatic such as saying Carmody waited anxiously for the outcome of the doctors examination. Or he called the doctor after his eldest child Eileen suddenly fainted.

**Technology HURRY**

The answer is A, hope you get it turned in on time!

**Math**

Tony broke a larger array into 2 x 9 array and a 4 x 9 array. What did the larger array look like? Draw picture. Write a number sentence to show the relationship between the large array and the two smaller arrays.

**Math**

Hey thanks Steve!

**Math**

I'm just bumping this up to the top of the page.

**Math**

It would be great if you could answer this please!!

**Math**

So, I have a question on a project that asks why you get a different answer when measuring the side of a hypotenuse versus using the Pythagorean Theorem. I did get different answers, but I just can't figure out why.

**True or False Please Help**

It's 1.true 2.false 3.false 4.false 5.true 6.true 7.false 8.true 9.false 10.false

**Health care tech**

Yes, I agree with Ray, you need all of those. Without a router, you couldn't access the internet, without a network card you couldn't access the internet either, and also you need network cables. You need hardware and software to run a computer.

**Physics fundamentals**

non existant

**English Writing**

Why you think it is important that she control her temper? How will learning this help in the future? If you, how do you answer this question??

**Physical Education**

I'm looking for Practice Methods for P.E. class. What is the best way to improve endurance and Muscular strength? I need some webpage （reference) Please help me------

**Social Studies Religion**

A Muslim organization wants to build a small mosque in the vicinity of the September 11 Memorial in New York City. There is public outrage from many citizens who do not want a Muslim religious site there. You must write a letter to the mayor of NYC explaining why you think ...

**Science, Nature Science**

Can you please give me three examples of things that photosynthesize that live in oceans?

**Science, Nature Science**

Can you give me three examples of things that photosynthesize that live in oceans?

**Science,**

It's because sometimes there is too much water for it to freeze, and sometimes the water is moving too fast. If you go to a river that doesn't freeze. It probably flows really fast. Is this collect answer for this question?

**Science,**

Why don’t bodies of water freeze in the winter, even when ice or snow forms?

**Science, Nature Science,ence, Nature Science,ence**

How does water help us stay cool?

**Science, Nature Science,**

Give 3 examples of nutrients that WE NEED in our bodies that are soluble in water. Give 3 examples of gases that are soluble in water. Could you please help me these questions?

**Social Studies Religion**

A Muslim organization wants to build a small mosque in the vicinity of the September 11 Memorial in New York City. There is public outrage from many citizens who do not want a Muslim religious site there. You must write a letter to the mayor of NYC explaining why you think ...

**Science , Earth , Waterce , Earth , Waterce**

Thank you Ms.Sue... But I'm not English speaker so I have lots of language problem.. I don't know how to make sentence.. Could you make me example sentence please? ;(

**Science , Earth , Waterce , Earth , Waterce**

How can I answer this question? Draw an overall conclusion: how does water compare to other substances? Why do you think so? Please help me...

**College Math**

One manufacturer needs to calculate the net price of an order with a list price of $800 and a trade discount series of 12/9/4. Use the net decimal equivalent to find the net price.

**Math Solving problem**

Thank you very much!

**Math Solving problem**

In an egg and spoon race, children must transport eggs from one end of a course to the other. Points are awarded for each successfully transported, and points are deducted for each egg which drops and breaks. Jenny transported 5 eggs and dropped 2 eggs for a score of 11 ...

**Science**

how does the initial procedure compare to your updated procedure? What changes did you have to make? Why? How can I answer this question? Please help me... ;(

**History**

1.C 2.B 3.A 4.A 5.C,D,F 6.D 7.A 8.A 9.B 10.D The correct answers

**English Writing**

People believe in God because... And there is life on earth because... And people who believe in God think that God has put human beings on this earth because... Could you help me? I'm not English speaker so I don't know how can I write continue of these sentences...

**Math Algebra**

OK, I understand. Thank you very much!!

**Math Algebra**

Why √29 to (-2,7)? How can I know?

**Math Algebra**

How can I solve this problem? A circle has diameter [AB]. The centre of the circle is (1,3), and B has coordinates (4,-1). # Find the coordinates of A. # Find the length of the diameter. HELP ME PLEASE

**Science Earth**

Guard cells are closed during the night. This means that no gases can come in or out of the stomata. Why would the plant not need to take in gas during the night? How can I answer in this question?

**English Writing**

Could you tell me yours? It's my homework but I'm not English speaker so I don't know how can I write...

**English Writing**

Please help me... People believe in God because... And there is life on earth because... And people who believe in God think that God has put human beings on this earth because... I have to write continue of these sentences... Could you guys help me please?

**Math**

State the theorem or postulate that is related to the measures of the angles in each pair. Then find the angle measures. m∠3=(23x+11)°,m∠4=(14x+21)° Can you teach me this problem?? Please...

**Art , Painting**

This is my homework today.. I have to write it but I don't know how to write this.. so could you guys help me? Identify and analyze how the art element, Color, is present in the final outcome.

**Math**

A plumb bob is a weight hung at the end of a string, called a plumb line. The weight pulls the string down so that the plumb line is perfectly vertical. Suppose that the angle formed by the wall and the roof is 123° and the angle formed by the plumb line and the roof is ...

**Science**

Imagine you designed an experiment that investigated the effect of feeding yeast cells different concentrations (0, 5, 10, 15, 25%) of sugar solutions. The yeast used the sugar to do cellular respiration and make CO2 as a waste product. The volume of CO2 released was captured ...

**economics**

Teacher wants to know my opinion

**economics**

How do you think the Demand and Supply patterns have changed in the United states since 2008 when the recession started?

**mathematics-equadratic equation**

16

**All about DRAMA! P.S. - Please check!**

Akame thank you so much!

**Art**

Thank you so much Selenekao!

**math**

Given the equation of a closed curve is x^2-2x+4y^2+16y+1=0.Find the coordinates of the two points where the lines tangent to the curve are vertical.

**Calc**

A spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.3 cm/min. At what rate is the volume of the snowball decreasing when the diameter is 13 cm. (Note the answer is a positive number).

**Algebra**

It's not a typo, that's exactly how the question was asked.

**Algebra**

Does an inequality of the form ax > b always, sometimes, or never give a solution of the form x > c? Give examples to support your answer.

**Algebra**

it should be divided by 4, divided by 7, divided by 28 underneath those dashes

**Algebra**

(6x−7) (3x-5) (5x+78) ------ + ------- = ------- 4 7 28 How do you solve for the answer? Explain each step.

**Algebra**

The revenue in dollars from a school play is given by the expression 5x+2y, where x is the of adult tickets sold and y is the number of student tickets sold. If the revenue is $220, find the x- and y- intercepts and explain what they represent in the context of the problem.

**math**

At a zoo, 1/3 of the animals are birds, 4/9 are mammals, and the rest are reptiles and amphibians. What fraction of animals at the zoo are reptiles and amphibians?

**History**

try open study

**math algebra 1**

The length of a rectangle is 2 m less than the diagonal and the width is 8 m less than the diagonal. If the area is 82 m2, how long is the diagonal?

**L A**

OUT FROM MY BULLET ALL THE OTHER KIDSSSSSSSSSSSS too much?

**Math**

Guys this is really confusing because everyone is saying different answers, but I don't see the point in telling someone the wrong answers its just stupid. So I swear you can trust me these are the right answers. 1)C. -2 2)A. Distance increases by 2 miles an hour 3)B. -2/3...

**books**

is lily chan right

**Math**

1.5 is correct thanks

**Math**

5.3x+2-4.1x=3.6x-1.6 My answer x=1.5

**Math**

I changed the fractions to 4x-3x=28-6

**Math**

Thanks

**Math**

12m+12=6(3m+3) My answer is -6= -6 which is identity ??? Or is it null or empty??

**Math**

Fiona earns $15 for each lawn she mows. What is the inequality to find out how many lawns she must mow to earn at least $135. My answer 15m <_ 135 M<_ 9

**Math**

Thanks

**Math**

8x+5=4x-7 I put x=-3

**preventing injury**

why is it important to get a medical check up prior to beginning a fitness program?

**biology**

Aquatic organisms: A. have a waxy coating to prevent water loss B. may experience problems with water balance C. typically have a plentiful supply of nitrogen. D. never find light to be in short supply

**sociology**

micro-level is wrong!!

**sociology**

conflict-theory

**Math**

Someone please help with this problem

**Quantitative Reasoning (math)**

x=25

**English**

Thanks ms . Sue

**science/physics**

If a pendulum is not pushed, why does it not go as big when it swings back. Where does the lost PE go? ans. Since there is no force applied to the pendulum there is not enough Kinetic energy (energy of motion) to transform into potential energy to make it swing back. The ...

**physics/science**

If a pendulum is not pushed, why does it not go as big when it swings back. Where does the lost PE go? ans. Since there is no force applied to the pendulum there is not enough Kinetic energy (energy of motion) to transform into potential energy to make it swing back. The ...

**science**

Where can I find information on Energy reformation for a middle school student to understand?

**math**

In asheville north carolina in August the temperature is an even number less than 40 that has the same number of tens and ones Answer: Could it be 22 4 tens and 0 ones = 4 2 tens and 2 ones = 4

**math**

Could it be 22? 2 tens and 2 ones has the same as 4 tens and 0 ones

**math**

In Asheville North Carolina in August the temperature is an even number less than 40 that has the same number of tens and ones Ans: 34

**vocabulary**

Has the ability of human beings to produce new inventions (quenched, outstripped) our ability to use them wisely Ans... outstripped

**vocabulary**

Has the ability of human beings to produce new inventions (quenched, outstripped) our ability to use them wisely Ans... outstripped

**vocabulary**

As we returned to the dressing room after that terrible first half, the whole atmosphere seemed to be (pervaded, capsized) by defeat. Ans. capsized?? With eager students and able teachers, learning will (flourish, outstrip), even though the school building may be old and ...

**criminal law**

a bail bondsman fee is usually what percentage of the set bail

**lang arts**

thanks

**lang arts**

List common nouns Anne Morrow Lindbergh soon shared his love of aviation. Answer: love & aviation question: Is shared a common noun also?

**math**

How do I find the 3rd side of a triangle if I am given 2 sides and there is no mention if it is a right triangle?

**math**

it is 10 degrees outside and the temperature is due to drop 16 degrees. what will be the temperature the

**Physics Part 2**

Rick's next shot isn't as good. She hits the cue ball with a velocity of 5.6 m/s and it hits the 4 ball. The cue ball bounces off at a 45 degree angle off it's original path at a speed of 3.5 m/s. What is the velocity of the 4 ball? ---So all i know is the momentum...

**Physics Part 1**

Okay, so i did my math wrong sorry and thx Steve!! and bobpursley, does that mean the cue ball is traveling .27 m/s straight?? because usually they want angle but since it's head on it's just straight rite?

**Physics Part 1**

Rick is playing billiards and hits the cue ball. It makes contact with the 8 ball head on. If before the collision the cue ball was travelling at 2.4 m/s and after the collision the 8 ball was traveling at 2.13 m/s. How fast and in what direction is the cue ball traveling? (...

**chemistry**

Three solutions are mixed together to form a single solution. One contains 0.2 mol \rm mol Pb(CH 3 COO) 2 \rm Pb(CH_3COO)_2, the second contains 0.1 mol \rm mol Na 2 S \rm Na_2S, and the third contains 0.1 mol \rm mol CaCl 2 \rm CaCl_2. Write the precipitation reaction.

**math**

1.17

**Statistics**

Problem 2 the answer is 4.5% You now the correct answer for the problem 7?

**Statistics**

this test is easy listen the videos and do the exercises of those videos and it's easy. If you have any doubt just ask.

**Statistics**

Mean=300*0.5=150 SD=SQRT(300*0.5*(1-0.5))=8.66 Z=+/- (170.5-150)/8.66 = +/- 2.37 Table of Z P= 2*0.0089 = 1.78% +/- because we have two-tailed and multiple the value of P by 2 for the same reason

**Statistics**

thanks :) had achieved good luck to the course excuse the English'm from Portugal

**Statistics**

you know the correct answer to the problem 2 and 6 of the test? The P-value (problem 8) is 1.78 (it is correct)

**Hypothesis-Test**

EDX b? are you sure?

**Stats**

try 1050 if I'm wrong say I do recalculations

**Stats**

Alex how do you calculate the power?