christine

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

Questions

The following questions were asked by visitors named christine.

the circle graph at the right shows eye colors of the students in Mr.Chare's 4th hour class. If 7 students have either green or hazel eyes, how many students are there in the class? Circle graph is.. 12% gray 24%hazel 4% green 36% brown 24% blue I need he...
19 years ago
suppose the length of a rectangle increases,but the perimeter remains at 70 feet. How does the width change? Either the width increases, decreases or remains the same. Which of these three choices makes the most intuitive sense? We know perimeter = 2(leng...
19 years ago
An unknown was prepared with the concentration of 0.000120 M. A Beer's Law plot was prepared using the absorbance values from standard solutions of ASA and a line drawn through all the points passed through the origin with a slope of 1750.0 M–1. The expec...
18 years ago
? MnO4– + ?H+ + ?C2O42– --> ?Mn2+ + ?H2O + ?CO2 what's the balanced equation? correct coefficients? is it 1MnO4- + 2H+ + 1C2O42- --> 1Mn2+ + 1H20 + 2CO2 ? c2042..? are you missing parenthesis somewhere? oh i see, no i believe this is correct: MnO4- + 8h+...
18 years ago
how many grams of sulfur are needed to react w/ 246 grams of mercury to form HgS? Hg + S ==> HgS unless your instructor insists on writing S as S<sub>8</sub>, in which case it will be 8Hg + S<sub>8</sub> ==> 8HgS. The answer will be the same no matter whi...
18 years ago
the early bstone age people had to learn to adapt to their what?
18 years ago
this deals with TLC chromatography: if 2 compounds have same Rf under identical conditions, does it show that they have identical structures? i think it does. but im not sure why. thanks mucho.
17 years ago
im given the refractive index values of two - isobutyl bromide (1.3785) and isobutyl chloride (2.4368). the solution's refractive index is 1.3931. determine the molar composition (%). im not sure how to get the concentrations of Br and Cl. i have this so...
17 years ago
8(5-n)=2n
17 years ago
8(5-n)=2n
17 years ago
Ok this is probably a stupid question but a hospital pharmacist works at a hospital right?
17 years ago
In the preparation of sulfuric acid, sulfur dioxide must be catalytically oxidized to sulfur trioxide. How much oxygen must be available to convert 50.0 L of sulfur dioxide according to this process?
17 years ago
How much heat is needed to melt 50.0g of ice at 0 degree celcius and then heat the water to 25 degree celcius?
16 years ago
What was the debate between North and South over counting slave populations?
16 years ago
Did the Constitution resolve the weaknesses in the Articles of Confederation?
16 years ago
unit rate of 250 miles in 4hrs
16 years ago
who solves the disputes over issues in congress? the correspondence committe, the committee of conference, or the core committee.
16 years ago
the trying of impeachments is done by who?
16 years ago
in a political party, what is the job of precinct captain?
16 years ago
AIDS/HIV funding and Research
16 years ago
please help emergency. find double integral of x times y time e to the <x plus y> . bounded from <0,1> x <0,1>
16 years ago
need help with edhelperku puzzle
15 years ago
Electrical system are governed by Ohm's law, which states that V = IR, where V=voltate, I=current, and R=resistance. If the current in an electrical system is decreasing at a rate of 9 A/s while the voltage remains constant at 14 V, at what rate is the re...
15 years ago
a) Describe the niche of the sea lamprey. b) Find out how sea lampreys may have entered the Great Lakes ecosystem. c) Identify the interspecific interactions of the sea lamprey and its effects on the Great Lakes.
15 years ago
explain the difference between gymnosperms and angiosperms give give 5 examples of each that are ontario native
15 years ago
give 2 examples each of situations in which you might use the following pesticides Insecticides and fungicides
15 years ago
Would distilled water conduct electricity? Why or why not?
15 years ago
What is the difference between inference and observation?
15 years ago
The percentage composition of chlorine, by mass, in the compound K2PtCl4 is
15 years ago
If the percentage yield of a reaction was 78.51% and the theoretical yield was 288.0 g, what was the actual yield?
15 years ago
List three ways in which human activities have contributed to the production of gases that dissolve in water to form acid precipitation
15 years ago
Explain what will happen to the volume of a gas as the pressure on that gas is increased. Assume that the temperature and amount of gas remain constant.
15 years ago
Explain why the type of metal used in creating fireworks determines the colour seen when the fireworks are set off. Discuss what occurs within the metal atoms.
15 years ago
How could hard water decrease the efficiency of your kettle?
15 years ago
For each of the following listed below, explain how it enhances the plants ability to survive and reproduce in a terrestrial environment. B) Pollen C) Waxy cuticle
15 years ago
To stop an elevator in free fall, brakes are installed between the walls of the elevator car and the walls of the shaft in which the car moves. In addition, springs with compression coils are installed on the floor, at the bottom of the shaft, in order to...
15 years ago
A total of 1200 students attend top view high school. The ratio of teachers to students is 1:30. How many teachers are there at the school?
15 years ago
what is the difference between a basic bunsen burner and the tirrll burner
15 years ago
it is considered a saftey hazard to leave an operating burner unatteneded unless the flame is made luminous10 explain why
15 years ago
when an object was weightedon a top loading balance the balance display read 13.730 the mass was recorded as 13.73g what is wrong with that explain the answer
15 years ago
where would the safest location on the bench to set up and use a labratory burner explain why
15 years ago
when is it appropriate to use gravity filtration and when to use vaccume filtration
15 years ago
a nugget of gold with a mass of 437g is added to 50ml of water the water raised to a volume of 90.0 ml what is the density of the gold
15 years ago
consider a neutral atom with 69 protons and 80 neutrons what is the atomic number of this element
15 years ago
a dose of asprin of 5.0mg per kilogram of body weight has been perscribed to reduce the fever of an infant weighing 8.0 pounds one pound is 453.59g what is the number of milligrams of asprin that should be administered
15 years ago
A descending elevator of mass 670 kg is uniformly decelerated to rest over a distance of6 m by a cable in which the tension is 8683 N.The acceleration due to gravity is 9.8 m/s2.Calculate the speed vi of the elevator at the beginning of the 6 m descent. A...
15 years ago
A block of mass 39 kg lies on an inclined plane, as shown. The horizontal and vertical supports for the plane have lengths of 36 m and 15 m, respectively, and the coefficient of kinetic friction between the plane and the block is 0.3. The magnitude of the...
15 years ago
space shuttle travels at about 7.4581x10^3 m/s. An astronaut takes about 1.5933x10^2 ms to blink an eye. How far does the space shuttle travel in that time, expressed to 4 significant figures?
15 years ago
What volume (in Liters) of hydrogen must react to form 17.0L of ammonia according to the following balanced equation: N2(g) + 3H2(g) --> 2NH3(g) Assume an excess of N2 and that all are at the same temperature and pressure.
15 years ago
What volume (in Liters) of oxygen must react to form 17.0L of carbon dioxide according to the following balanced equation: 2CO(g) + O2(g) --> 2CO2(g) 17.0 L CO2 x (1 moles O2/2 moles CO2) = 17.0 x (1/2) = 8.5 L did i do this problem correctly
15 years ago
a kid goes down a slide, accelerating at 1 m/s^2 for 3 seconds. if he starts at rest, how long is the slide ? this is the equation i have but i need Xi which i have NO clue what it is .. Xf= Xi+ 0m/s(3s)+1/2 (1m/s^2)(3^2s) solving for Xf ... need Xi
15 years ago
I really really need help w/this problem I think i figured it out but i have to be sure i did it right in order to do others similar to it please help thanks Metal Specific Heat (J/g-C) Al (s) 0.900 Au(s) 0.129 Cu(s) 0.385 Fe(s) 0.444 Hg(l) 0.139 H2O(l) 4...
15 years ago
really really need help w/this problem I think i figured it out but i have to be sure i did it right in order to do others similar to it please help thanks Metal Specific Heat (J/g-C) Al (s) 0.900 Au(s) 0.129 Cu(s) 0.385 Fe(s) 0.444 Hg(l) 0.139 H2O(l) 4.1...
15 years ago
How do you work this one problem? Metal Specific Heat (J/g-C) Al (s) 0.900 Au(s) 0.129 Cu(s) 0.385 Fe(s) 0.444 Hg(l) 0.139 H2O(l) 4.184 C2H5OH(l) 2.46 Using the above table, determine the final temperature if 713.6J is released from a 48.2g sample of copp...
15 years ago
What would happen if 50 grams of carbon fully reacted to oxygen?
14 years ago
a 6.54 g sample consisting of a mixture of silver nitrate and sodium nitrate is dissolved in water. this mixture then reacts with barium chloride to for 3.50 g of silver chloride. calculate the percent by mass of silver nitrate in the first mixture
14 years ago
When an electric discharge is passed through boron trichloride a new compound is formed. what is its simplest formula if on analysis it is shown to contain .0878 g of chlorine and .0131 g of boron?
14 years ago
I have a perimeter of 15. I am not a square . Each of my sides is 3 units long. What shape am i?
14 years ago
can you please help me solve this problem if dy/dx=ycosx and y=3 when x=0, then y=
14 years ago
Starting from one oasis, a camel walks 25km in a direction 30 degrees south of west and then walks 30km toward the north to a second oasis. What distance separates the two oases?
14 years ago
(8/3-1) is a solution to 8x-7y=10 . Please show all of your work
14 years ago
Find the x- and y-intercepts and graph the equation plotting the intercepts. Please show all of your work. Submit your graph to the Dropbox 2x-3y=9
14 years ago
4. Translate to an equation: p $25 potted plants and s $20 shrubs total $300 Graph the equation and use the graph to determine three different combinations of potted plants and shrubs that total $300. Submit your graph through the dropbox.
14 years ago
Determine if(3/8-1 is a solution to 8x-7y=10. Please show all of your work
14 years ago
Four-year -college tuition. The average tuition at a public four-year college was $3983 in 2001 and $5948 in 2005. Find the rate at which tuition was increasing.
14 years ago
Write a slope-intercept equation of the line whose graph is described Parallel to the graph of 3x + 2y = 5; y-intercept (0, −1)
14 years ago
Write the slope-intercept equation for the line with the given slope that contains the given point m = 3/4 ; (0, 5)
14 years ago
Simplify. Please show all of your work. 12* 1/4 +2/-2^3
14 years ago
Simplify. Please be sure to show all of your work. -3(-9) – |-5 – 3|
14 years ago
Simplify. Please show all of your work 9c^3+7c-(3c^3-12+c)
14 years ago
Solve 4x- 3(5x-8)=23-9(x+2) . Please show all of your work
14 years ago
Solve. Please show all of your work. Find the length and width of a rectangular lot with a perimeter of 108 meters if the length is 8 meters more than the width.
14 years ago
2. Simplify. Please be sure to show all of your work. -3(-9) – |-5 – 3 3. Simplify. Please show all of your work 9c^3+7c-(3c^3-12+c) 4. Solve 4x- 3(5x-8) =23-9(x+2) . Please show all of your work 5. Solve the following equation for z. Please show all of y...
14 years ago
i need hel because i don't know how to use indignation in a sentence and it make sense!
14 years ago
Cesium 138 has a half life equal to 32.2 minutes. how long will it take for 2/4 of this sample to decay
14 years ago
How many atoms are in 95.96 g of molybdenum (Mo)
13 years ago
What effect will the current governmental initiatives that focus on expanding health care coverage to more Americans have on health care costs and health care services in the United States? What would you add or subtract from the recently approved healthc...
13 years ago
A river is one mile wide and the water flows at the rate 3 miles/hour. If you can paddle a canoe 5 miles/hour in still water, then how long will it take you to paddle across the river and back? How long would it take you to travel one mile upstream (measu...
13 years ago
using two fair dice, what is the probability of rolling a sum that exceeds 4?
13 years ago
equilibrium pressure at 731 K for the reaction H2+I2-2HI initially the mixture contains 0.08592 each of H2 and I2 and 1.0atm.what is the pressure of HI at equilibrium?
13 years ago
Interpret sapphos poems, Lonliness Before they were mothers Maidens dancing in moonlight
13 years ago
identify the two division of design in garment construction
13 years ago
why can you simplify 5(50+3) using the distributive property? why can't you simplify 5(50)+ 3 using the Distributive property?
13 years ago
what is the quotient for 4/5 divided 3 equal?
13 years ago
What is the answer to this number sequence 400 100 200 50?
13 years ago
how i identify 5-7 positive and negative benefits of the government systems for canada ?
13 years ago
shuffleboard disk is accelerated at a constant rate from rest to a speed of 6.0 m/s over a 1.5 m distance by a player using a cue. At this point the disk loses contact with the cue and slows at a constant rate of 3.5 m/s2 until it stops. (a) How much time...
13 years ago
A transformer has 3,000 loops in its primary coil and 1,500 loops in its secondary coil. What is the voltage in the secondary coil if the voltage in the primary coil is 120 V?
13 years ago
determine the current yield of a bond with par value of $1000 if the quoted price is 78 1/2 and the rate is 8 1/4
12 years ago
Argument Evaluation # 1 – Is morality universal? Instructions: In your own words, identify the argument or arguments in the following passage. Be certain to clearly identify the premise(s) and the conclusion for any argument. Indicate whether the premises...
12 years ago
one positive integer is 3 more than another. the difference of their reciprocals is 1/6. find the twonumbers.
12 years ago
its a rough draft and obviously isnt the entire thing The United States has diagnosed itself as one unified nation, indivisible, with liberty and justice for all. So cultivates the question- are the citizens of such an independent country truly free? The...
11 years ago
show me from least to greatest 6/11, 2/3, 4/7, 9/10, 15/22, 1/4, 2/5, 7/9, 1/6, 5/8
11 years ago
can someone edit this? Throughout my life’s journey, I have come to attain two true passions - the first one being English studies. Since the very dawn of childhood, I have been known to bleed the calligraphic content of Gary Soto's brilliant poetry and b...
11 years ago
can someone edit this. It has to be short because my entire essay has to fit onto one sheet of paper. Sophomore year served as difficult as Freshman year,as my father’s disintegrating health following my mother’s death neglected to provide me a grace peri...
11 years ago
What is the energy of the photon emitted when the electron in a hydrogen atom drops from energy level E5 to energy level E2?
11 years ago
Furthermore, Your Creative Elusive Genius sharply contrasts to John Stuart Mill's Chapter III: Of Individuality as One of the Elements of Well-Being. For instance, Elizabeth Gilbert presents an anecdote of Thomas Waits, who she describes as an anxious and...
11 years ago
can someone edit this? To contrast, in the film Tangled (2010) the mother of Rapunzel, who is exhibited as a Queen, also falls ill, although it is due to legitimate medical ailments, as opposed to a sense of helplessness. She is then limited to a bedridde...
10 years ago
Can someone look over this? I've been working on wordiness, sentence structure, and repetition. Tangled and its Hidden Critique of Rapunzel Peeking at the mere surface of the film Tangled (2010) directed by Nathan Greno and Brian Howard, most would presum...
10 years ago
can someone edit this? Thanks in advance! Mcnamara's Eleven Points in light of the US's involvement with the War in Iraq The inevitable fog of misunderstanding and irrational human error within war can lead to mass killings, chaos, and inevitable failure....
10 years ago

Answers

The following answers were posted by visitors named christine.

yes
18 years ago
Should we eliminate fats from our diets altogether and increase proteins? 2. What are some of the benefits that unsaturated fats provide when included in a balanced diet.
17 years ago
orange juice is a good example!! Because the state of a subthat is mixed but never really be dissovled. We learend about this in science class.
16 years ago
I'm very confused with this question and check point
15 years ago
I'm very confused with this question and check point•According to current (within the past two years) research and news reports, what are some of the changes the United States has made to policies concerning the treatment of Muslim and Arabic members of s...
15 years ago
revois m'attendra irons emmenerons passerons
15 years ago
I'm not sure I understand what youre asking here because I don't see any underlined words?
15 years ago
Three distinct layers of different tissue cells form the walls of blood vessels. The outer most layer is connective tissue. The middle layer is smooth muscle. The inner wall is primarily composed of endothelial cells.
15 years ago
for the first question, there is 1g of water per 1 cm cube therefore there is 1000 kg of water per 1 m cube that is your answer for the 2nd one, im not sure
15 years ago
A dose of asprin of 5.0mg per kilogram of body weight has been perscribed to reduce the fever of an infant weighing 8.0 pounds. One pound is 453.59g. What is the number of milligrams of asprin that should be administered
15 years ago
ok so 8.0x10^4 = 80000 tons 80000 = 176 369 809.75 pound =80 000 000 001 grams m = vxd = 80000x1.03g/mg
15 years ago
i got the correct answer but i still get any of the concept >.< i feel dumb ahhh oh oh any good sites to learn physics really good
15 years ago
how do you do this problem?!
14 years ago
9 m/s2
14 years ago
Find the current value per share of Suarez Manufacturing’s common stock.
14 years ago
6.022 x 1023 atoms. Thank you Dr Bob222
13 years ago
What effect will the current governmental initiatives that focus on expanding health care coverage to more Americans have on health care costs and health care services in the United States? What would you add or subtract from the recently approved healthc...
13 years ago
thank you and then 100/4= 25 is that correct
13 years ago
thanks!
13 years ago
hi how are you
12 years ago
how peple come from
12 years ago
On a table there is a bowl of chocolates. All but four are yellow. All but four are blue. All but four are purple. How many chocolates are in the bowl?
12 years ago
determine whether the graphs will be parallel,perpendicular, or neither...... y=2/3x-6 2x-4=3y
12 years ago
I don't understand what Profit Margin is. How is the answer to 13 B? When the information provided, that the answer should be D.
12 years ago
suppose the projector is moved to a point 9 ft from the screen. what size will the picture be (width, height, and area) please help
11 years ago
72 x 5/6 =60
11 years ago
4x+2(250-x)=740 4x+500-2x=740 4x-2x=740-500 2x=240 x=120
11 years ago
Do you mind if I send you a copy of the essay? I have already read it aloud and tried to cut down on wordiness, but the words I use are carefully chosen and have a purpose, so I don't want to lose the purpose of the essay either. I'm not sure where I am g...
10 years ago
0.08x+2.1=
10 years ago
I can solve it now. Sorry about the post.
10 years ago
Hi Do you edit papers at all?
10 years ago
as in whole papers
10 years ago
Hi can someone please delete one of my questions?
10 years ago
i am helping my forth grader with homeword, how do i know which letter to look at when looking at the vowel,consonsnt, consonant, vowel
10 years ago
what is its velocity when it returned to the elevation from where it was thrown?
9 years ago
please, help I don't know how to go about it
9 years ago
c is correct it is 6:4
9 years ago
Translate this phrase into an algebraic expression. Five more than the product of 19 and Mabel's height Use the variable m to represent Mabel's height.
8 years ago
a= 5, d=7
7 years ago
I don't know these answers they are hard!
6 years ago
punishing wrongdoers
6 years ago
Write the number 2.4 in the form , using integers, to show that it is a rational number
5 years ago
10[4*10/{6-4}+1
5 years ago
What equation models the data in the table if d = number of days and c = cost? Days Cost 2 16 3 24 5 40 6 48
5 years ago
What equation models the data in the table if d = number of days and c = cost?
5 years ago
Ahmed un portable
5 years ago