Wednesday
February 10, 2016

# Posts by krystal

Total # Posts: 298

Social Studies
i would give them 1.=5 points and the second one 4 points you need to add more detail not trying to be mean.
September 28, 2015

science
titanium reacts with oxygen a chemical change or a physical change
September 27, 2015

All matter can be classified into two categories: pure substances and mixtures. A pure substance consists of a single element or compound. Iron is formed only of iron (Fe) atoms; table salt is formed only of sodium chloride (NaCl) molecules. A mixture, however, is made up of ...
September 27, 2015

UPDATE on some of my answers 1.B 3.D 6.A 7.D 8.C 10.D 13.D 16.B 18.A
September 9, 2015

I just want to know if these are right and if not, which ones I got wrong. 1.Based on a _______ statement, a company sets long-term _______ mutually agreed on by workers and management and, from these, sets specific, short-term _______. A. vision; goals; objectives B. mission...
September 9, 2015

algebra
what is the reciprocal of 5/x-1 + 3/x ?
September 1, 2015

english
Créez une histoire/conte de MAXIMUM 75 MOTS. Je veux que le theme principal soit l'été! Create a history/tale of MAXIMUM 75 WORDS. I want that the principal topic is the summer
July 10, 2015

english
Im not sure...
July 10, 2015

english
If i wanted to write a history of summer.. how would i start it
July 10, 2015

Finite Math
Yes, thank you Damon for your help with this. Hope you had a great 4th of July. Krystal
July 2, 2015

Finite Math
State and perform the next elementary row operations that should be performed to put the matrix in diagonal form 1 2 -3 3 2 -4 6 8 3 6 15 12
July 2, 2015

Math
Use the table below to answer the following question. x: 1, 2, 3, 4 y: 1, 4, 9, 16 Which is NOT true about the above table? A: It shows a linear function. B: The variable x increases by 1 each time. C: The rate of change is not constant. D: The variable y increases by a ...
May 12, 2015

Wait... So you can answer everything but a simple question? You should be able to figure this out! C'mon.. Grab a paper. Put it like this 180 - 50.7 _______ And Start solving
April 15, 2015

math
Kool Klothes has determined that the revenue function for selling x thousand pairs of shorts is R(x) = -5x^2 + 21x. The cost function C(x) = 2x + 10 is the cost of producing the shorts. a) How many pairs of shorts must the company sell in order to break even
March 22, 2015

Physics
3. An 80 kg skier is skiing down a slope (assume its frictionless) as shown in the diagram. The skier then hits a patch of sandy snow that applies a constant frictional force of 320 N directed up the slope. a. What is the skiers acceleration before hitting the sandy snow? b. ...
January 27, 2015

Math
Sorry, the first question should be y = -x^3 + 2
January 24, 2015

Math
Hi! Can you check my answers to this worksheet? They're the only questions I'm not positive about my answers on. 1. Compared to its parent function, describe the transformation of the following: y = -x3 + 2 A. Reflected with respect to x-axis, moved up 2. B. Reflected ...
January 24, 2015

Uniform Motion Related Problem Port A is 25 km downriver from port B. At noon a tugboat leaves port B and travels upstream at 15 kph. At 3 p.m. a hyrodrofoil leaves Port A travelling upstream at 50 kph. At what time will the hydrofoil pass the tugboat?
January 19, 2015

Uniform Motion Related Problem Jessie has a 15 km head start on Melvin. How long will it take Melvin to catch Jessie if the latter travels at 70 kph and the former at 100 kph?
January 19, 2015

Uniform Motion Related Problem Two planes leave an airport at 2 p.m., one flying south at 450 kph, the other flying north at 675 kph. At what time will they be 3 600 apart?
January 19, 2015

Uniform Motion Related Problem Two cars starting from the same point travel in opposite directions. Car A travels at 80 kph and car B at 110 kph. After how many hours will the cars be 760 km apart?
January 19, 2015

Uniform Motion Related Problem Two cars, 210 km apart, met each other in 2 hours. If one car travelled at 60 kph, at what rate did the second car travel?
January 19, 2015

Uniform Motion Related Problem Chester drove his car at 8:00 a.m. at speed of 45 km/hr. At 9:15a.m. Michael followed with his car. What should be Michael's speed so as to be able to overtake Chester at 1:00 p.m.? How far has Chester travelled when Michael overtook him?
January 19, 2015

Uniform Motion Related Problem A car travelling at 60 kph left town at 9:00 a.m. Another car travelling at 65 kph left the same place half an hour later to overtake the first. At what time did the second car overtake the first?
January 19, 2015

Uniform motion Related Problem Five boy scouts biked to Caliraya lake at 5 km/h. their scout master gave them a ride back home in his pickup car, at 20 kph. Find the hiking time if it 6 hors longer than their riding time.
January 19, 2015

English
Yes you are correct.
November 6, 2014

International Law
Hello, I am having a hard time in finding the prosecutors list of evidence in the The Prosecutor v. Callixte Mbarushimana case. I have read documents but it doesn't give a detail of the evidence submitted. Can you please help. Thank You
October 22, 2014

International Law
Hello, I am having a hard time in finding the prosecutors list of evidence in the The Prosecutor v. Callixte Mbarushimana case. I have read documents but it doesn't give a detail of the evidence submitted. Can you please help. Thank You
October 22, 2014

Add the two component vectors from Sample Problem 1 algebraically to erify that they equal the given vector The two component vectors are: 8.6m(North) and 12m (west) The given vector is 15m(West 35 degrees North)
September 30, 2014

An ant travels 2.78 cm (West) and then turns and travels 6.25cm (south 40 degrees East). What is the ant's total displacement?
September 29, 2014

Biology
What happens to arterial PO2, PCO2, and H+ concentration during moderate excercise? How and why does this stimulate an increase in breathing rate?
September 8, 2014

Civics
Which best describes how the internet has contributed to cultural diffusion in the united states?
April 18, 2014

Psychology
independent variables
February 26, 2014

Math
What you need to do is CALM DOWN.. THINK RATIONALLY.. Idiot..
February 13, 2014

Algebra 2
Okay, so if the directions say describe the pattern, is that all I would put?
February 12, 2014

Algebra 2
How would you describe the pattern of this sequence? 2/3, 4/4, 6/5, 8/6, 10/7 The formula is 2n/n+2 where n is 1, 2, 3, 4, 5
February 12, 2014

Biology
Can someone please help me find a website? I am doing a project on Maple Syrup Urine Disease and need to find a website that says when the disease was first discovered or how long we have known about it.
February 11, 2014

Math
Find the largest positive integer that leaves the same remainder when divided into each of 889, 961, 1009, and 1189
February 7, 2014

Math
I mean Show that the equation 155x -465y=35has no integer solutions
February 7, 2014

Math
Show that the equation 155x -465y 35 has no integer solutions
February 7, 2014

Math
A simple calculation will reveal that 72 has 12 factors including 1 and 72. How many natural numbers less than 100 have 12 such factors
February 7, 2014

Math
Find the largest positive integer that leaves the same remainder when divided into each of 889, 961, 1009, and 1189
February 7, 2014

Math
In how many ways is it possible to spend exactly \$200 on pumpkins if large pumpkins cost \$5 and small \$3
February 7, 2014

math
Value ways 2 3/5 miles each day.Bill runs 10 miles once every 4 days. In 4 days, who covers the greater distance?
February 5, 2014

MATH --- PLS HELP CONNECTIONS ACADEMY
Hey Kid.. I am in 10th Grade math, and I completed this 2 years ago. What you need right now, is to calm down. Look at your answers rationally, and logically pick them off. This is an EASY unit compared to what I do today.. So Just look and calm down.. K?
January 31, 2014

Computer Programming
Professor Merlin has asked you to help him. He has 100 total students in his four classes but he is not sure that all of them took his last exam. He wants to average the grades for his last exam in all four sections of his medieval literature course and then determine how many...
January 29, 2014

Math
Let c be a constant. For what values of c can the simultaneous equations x – y = 2; cx + y = 3 have a solution (x, y) inside quadrant I
January 17, 2014

Science?
I'm doing a science experiment where I have to light an object on fire to do the experiment.. It can't be oil or electrical fire. So I need some objects I can light on fire. Such as a candle. But I can't use this one
January 16, 2014

OK.. Listen.. I know for a fact because my kids are in Connections Academy, and I caught my kids using this. This isn't a very realiable resource to use. OK? The Honor Roll says when you have a problem, go to your learning coach, review your notes, and then maybe go to ...
January 8, 2014

Chemistry
A gas, Y, diffuses 1.05 times faster than SO2 gas at the same conditions. What is the molecular weight of gas Y?
December 3, 2013

world history
what are city states?
November 7, 2013

world history
list three environmental challenges facing the acient people of mesopotamia.
November 7, 2013

Accounting
The owner's equity of Logan's company is equal to one quarter of the total assets. Liabilities equal \$60,000. What is the amount of owner's equity?
October 14, 2013

Algebra 2
Well its actually her computer.
October 9, 2013

Algebra 2
I did post the other question under the name Charlie though because I don't like to use my name as much.
October 9, 2013

Algebra 2
At the ruins of Caesarea, archaeologists discovered a huge hydraulic concrete block with a volume of 945 cubic meters. The block's dimensions are x meters high by 12x - 15 meters long by 12x - 21 meters wide. What is the height of the block? Can someone please show me how ...
October 9, 2013

Algebra 2
How do you get the real-number solutions of 5b^3 + 15b^2 + 12b = -36? I get to (b+3)(5b^2 + 12) and I don't know what to do after that. Can someone please show me how to finish this problem?
October 9, 2013

Geography
Thank you, it is a good website for what I need.
October 7, 2013

Geography
Does anyone know a good website that shows South American countries natural resources in detail?
October 7, 2013

Geography
Do you also know a good website that shows natural resources in South America?
October 7, 2013

Geography
I need a map of South America countries that shows their mineral deposits in details. Can someone please give me a website?
October 7, 2013

Definitions
I have looked and looked for 4 examples of a standalone computer but I have only found two. They are a fax machine, and TiVo box. Could someone please tell me what two more examples are?
October 3, 2013

Algebra 2
For the equation y<or equal to -x^2+3x+10 I got the vertex (3/2, 67/4). Is this right?
September 25, 2013

Algebra 2
A stunt motorcyclist makes a jump from one ramp 20 feet off the ground. The jump between ramps can be modeled by y= -1/640x^2 + 1/4x +20 where x is the horizontal distance (in feet) and y is the height above ground (in feet). I think a is 20 feet, but I don't know how to ...
September 24, 2013

Algebra 2
How do you get 50000?
September 24, 2013

Algebra 2
For the period 1990-2002, the number s (in thousands)lf cellular telephone subscribers in the United States can be modified by S=858t^2 + 1412t + 4982 where t is the number of years since 1990. In what year did the number of subscribers reach 50 million? The choices are the ...
September 24, 2013

algebra 2
How would you solve 3x^2+8x-91=0 and 9r^2+4r+2=0 using the quadratic formula?
September 23, 2013

English
Thank you!
September 19, 2013

English
What are the common nouns in these sentences? I think I have them right but I'm not sure. 1 is zone. 2 is steamboat. 3 is sister 4 is cross, and crossings. 5 is brother and animals. 6 is beavers and people 7 is voyage and world. It would be greatly appreciated if someone ...
September 19, 2013

Computer Definitions
September 17, 2013

Algebra 2
I got 105 meters by taking p=52.5 and adding q=52.5. Is 105 meters the width?
September 4, 2013

Algebra 2
The arch of the Gateshead Millennium Bridge forms a parabola with equation y=-0.016(x-52.5)^2+45 where x is the horizontal distance(in meters) from the arch's left end and y is the distance (in meters)from the base of the arch. What is the width of the arch?
September 4, 2013

Algebra 2
So that's how far it has to jump and y is how high it can jump from that point to the fence?
September 2, 2013

Algebra 2
What does the horizontal position mean?
September 2, 2013

Algebra 2
A woodland jumping mouse hops along a parabolic path given by y=-0.2x^2+1.3x where x is the mouse's horizontal position (in feet) and y is the corresponding height (in feet). Can the mouse jump over a fence 3 feet high? Explain. I know that x is 3.25 and the mouse's ...
September 2, 2013

Algebra 2
I'm using the formula -b/2a for the function9x^2+7. So I would get -0/2(9) which equals -0/18 and the final result is 0.
September 2, 2013

Algebra 2
So if I put 0 in a b I would get 0/18 which equals 0 for x?
September 2, 2013

Algebra 2
I need to find the vertex of the parabola y=9x^2+7 but I am confused on what to use for b. I know a=9 but am unsure if b=7. Does b=7?
September 2, 2013

Algebra 2
I need to find x of the quadratic function y=-5/3x^2-x-4. I'm supposed to use the formula x=-b/2a. The negative sign only applies to b. A=-5/3 and B=-1. When I substitute these values in I get -(-1)/2(-5/3). After working this out I get 1 over -10 over 3(1)/(-10/3). after ...
September 2, 2013

I need to find x of the quadratic function y=-3/4x^2-4x-1 and keep getting (4)/(3/2). Is this right and if so, can it be reduced?
September 1, 2013

Algebra 2
I need to find x of the quadratic function y=-3/4x^2-4x-1 and keep getting (4)/(3/2). Is this right and if so, can it be reduced?
September 1, 2013

Algebra 2
I need to find x of the quadratic function y=-3/4x^2-4x-1 and keep getting (4)/(3/2). Is this right and if so, can it be reduced?
September 1, 2013

Introduction to Physical Science
Hello, I always thought that sound was to loud when it hurts our ears or when sound vibration can make extremely loud noises. I am stuck on the following question: How loud is too loud? When is a sound too loud? What can be done about sounds/noises that are too loud for you?
August 19, 2013

algebra
Create your own quadratic equation that has an axis of symmetry of x = −1 and whose graph opens down. Then find the vertex, domain, range, and x-intercepts. Show all work to receive full credit.
August 14, 2013

writing process part 1
Its just a to be a 8 sentence paragraph that fully develops the topic (a high school diploma is important to my future.) I need it proof read for mistakes and need to know if it fully develops that topic.
June 18, 2013

writing process part 1
I need this paragraph proof read if that's OK. also need to know if it's a fully devolved the topic a high school diploma is important to my future. A high school diploma is important to my future for a number of reasons. The First being to attend college it is ...
June 18, 2013

POL201
Under the “necessary and proper” clause, Congress may
May 29, 2013

chemistry
What are [H+] and [OH-] for 0.01 M perchloric acid
May 15, 2013

Chemistry
0.1 mol of HCl is added to 1 L of water. What is [H+] and [OH-]?
May 14, 2013

PHI103
If I move to Texas, I will need air conditioning. I don't need air conditioning. So I didn't move to Texas" is an argument form known as
April 8, 2013

chemistry
How many moles of hno3 neede to prepare 7.5 l of a 5.6m solution
March 19, 2013

physics
if Royce was 10 years old and he had a mass of 30kg. but by the time he turned 16 his mass has grown to 60kg. how much larger is the gravitational force between Royce and earth at age 16 compared to age 10
March 11, 2013

pre cal
At a distance of 100 feet, the angle of elevation from the horizontal ground to the top of a building is 42 degrees. Find the height of the building
November 7, 2012

Math for Steve
These are the answers! 1. C 2. B 3. D 4. A 5. A. I took the test and got them all right.
November 6, 2012

physics
A 20.7 cm screwdriver is used to pry open a can of paint. If the axis of rotation is 2.25 cm from the end of the screwdriver blade and a force of 29.3 N is exerted at the end of the screwdriver’s handle, what force is applied to the lid? Answer in units of N
November 4, 2012

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