Brittney
This page lists questions and answers that were posted by visitors named Brittney.
Questions
The following questions were asked by visitors named Brittney.
3x-27/55÷x-9/15x my answer is =3(11x^2-4)/11x is this correct.
17 years ago
3x-27/55÷x-9/15x my answer is =3(11x^2-4)/11x is this correct.
17 years ago
when are triangles congruent
18 years ago
How would you write 0 as a fraction?
18 years ago
Please help me with the below questions. Write a rational approximation, to the nearest thousandth, for each number: 1) Square root 14 2) Square root 1.4 3) Pie 4) Pie -3
18 years ago
WE have to lable characteristics of leaders. I have Adolph Hitler, Benito Musiline, and Fidel Castro. For all of them i have Intelligence, ethics, physical strength, military prowess, common sense, courage, power, confidence, and i need 4 more... can anyo...
17 years ago
Can anyone explain this equation. Simplify by removing factors of 1. q^2-64/(q+8)^2
17 years ago
_______a rhythmic disturbance that carry energywithout carrying matter
16 years ago
Summarize the effects of one type of sexual dysfunction that can affect both men and women. What are some factors that may cause this type of dysfunction? What treatments may help individuals who experience this type of dysfunction
16 years ago
I am reading a book called To kill a mocking bird. and had a couple questions. . . -what is the dare with which dill challenges Jem?
15 years ago
Assume that the life expectancy of U.S. males is normally distributed with a mean of 80 years and a standard deviation of 4 years. What is the probability that a randomly selected male will live more than 85 years?
15 years ago
A balloon is filled to a volume of 1.0 102 mL at a temperature of 38.0°C. The balloon is then cooled at constant pressure to a temperature of 1.00 multiplied by 102 K. What is the final volume of the balloon?
15 years ago
Please check this over and see of they are right...if they are not can you please tell the the right answer and explain how you got it. I think I am getting myself confused. Thank you. Write the neutralization reaction for each of the following. Balance t...
15 years ago
How do you graph this liear inequality 2y greater than equal to 4x-6
15 years ago
During a strenuous workout, a student generates 2000 kJ of heat energy. What mass of water would have to evaporate from the student's skin to dissipate this much heat?
15 years ago
Exactly 10mL of water at 25 degrees C was added to a hot iron skillet. all of the water was converted into steam at 100 degrees C. If the mass of the pan was 1.20 kg and the molar heat capacity of iron is 25.19 L/mol*C, what was the temp change of the ski...
15 years ago
Write a chemical equation to express the fact that, at 0 °C, ice melts by absorbing 334 J of heat per gram of ice.
14 years ago
The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.9%. Assuming a Malthusian growth model, find the world population in 44 years.
14 years ago
Suppose that Maria has 140 coins consisting of pennies, nickels, and dimes. The number of nickels she has is 9 less than twice the number of pennies; the number of dimes she has is 19 less than three times the number of pennies. How many coins of each kin...
14 years ago
if sam earned $4,000 and gave 1/5 wawy and invested 1/2 of the remaining amount how much did he have left?
14 years ago
How does the structure of macromolecules such as proteins act as an index of relatedness between species?
14 years ago
Dr. Miller pulled a wooden crate at a constant accelerationof 1.23 meters per second per second with a forceof 752 newtons at an angle of 22 degrees above the horizontal. The coefficient of kinetic friction between the crate and the floor was 0.347. Find...
14 years ago
Please Help!!! A 920 kg sports car collides into the rear end of a 2300 kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.5 m before stopping. The police officer, knowing that the coefficient of kineti...
14 years ago
Find a power function of the form y=ax^b whose graph passes throught the points (2, 5) and (8, 12). How do i solve this??
14 years ago
Solve the equation and check for extraneous solutions. 10^((x^2)+1)=100,000 How do i handle this when the exponents have exponents?
14 years ago
Expand the expression of log5x^(1/3)y^6 5 is the base of the log. this is pretty tricky stuff and im not sure how to attempt it..
14 years ago
ok did i do this right? evaluate the expression log(base4)(16)(4) log(4) 16 + log(4) 4 ? can you do that?
14 years ago
Determine whether x+6 is a factor of x^3+4x^2-27x-90
14 years ago
I need help finding the asymptotes, and domain of these two graphs.. 1) 1/x^2 Vertical Asym.:? Domain:? Horizontal asym.: y=0 2) x^2/1 Vertical Asym.:? Domain:? Horizontal asym.: none THANKS!
14 years ago
In a coffee-cup calorimeter, 1.70 g of NH4NO3 is mixed with 76.0 g of water at an initial temperature of 25.00°C. After dissolution of the salt, the final temperature of the calorimeter contents is 23.71°C. Assuming the solution has a heat capacity of 4.1...
14 years ago
A 110.-g sample of copper (specific heat capacity = 0.20 J/°C · g) is heated to 82.4°C and then placed in a container of water at 22.3°C. The final temperature of the water and copper is 23.5°C. What is the mass of the water in the container, assuming tha...
14 years ago
10 2 2/3 / 4
14 years ago
Can somebody please help me Evaluate: 3 1/9 * 2 1/4 ? (=
14 years ago
Can somebody please help me evaluate: 13 1/3 + 6 2/9 ? (=
14 years ago
A 30 kg child steps to a dock from a 60 kg boat,giving the boat an acceleration of 2m/s^2. Neglecting water Resistance, the acceleration experienced by the child is?
14 years ago
Part 1: You finally made it…graduation day has arrived! Your parents are so proud that they are throwing you a HUGE party. They have rented a big tent for your graduation party just in case it rains. The inside of the tent (represented by the blue area) i...
13 years ago
A string has a length of 84 cm. The string is stretched taut, and both ends are restricted to be nonmoving. Touching the string at which of the following points will not produce a standing wave when the string is plucked?
13 years ago
Benzene has the empirical formula CH and an experimental molar mass of 78 g/mol. What is its molecular formula? Explain how you got your answer.
13 years ago
Describe President Reagan’s foreign policy goals and summarize several of the major, specific actions he took to meet those goals.
13 years ago
Calculate the uncertainty in the position (in A) of an electron moving at a speed of (6.5 +/- 0.1)* 10^5m/s. The mass of an electron is 9.109x10^-31 kg. Thanks!
13 years ago
Suppose a 19.3 kg curling stone was on a frictionless ramp. If the ramp is 4.76 m tall and 19.5 m long (along the incline), how much mass must hang from the pulley in order that the stone not accelerate up or down the ramp?
13 years ago
If your body develops a charge of -17 (microcoulombs), how many excess electrons has it acquired, and what is their collective mass?
13 years ago
How do you solve a(x+1)= b solving for x
13 years ago
How do you solve a(x+1)= b solving for x
13 years ago
The radius of a merry-go-round is 7 meters, and it takes 12 seconds to make a complete revolution. What is the speed of an atom on the outer rim?
13 years ago
What is the temperature of 0.45mol of gas at a pressure of 1.0at and a volume of 10.1L ? if anyone can tell me what i need to do to solve this problem it would be helpful
13 years ago
What equivalent fraction would you use to subtract 1/3 from 5/9?
13 years ago
A car traveling at 20 m/s applies the brakes. The coefficients of static and kinetic friction between the tires and the road are 0.80 and 0.50 respectively. (A) Determine the stopping distance if the car is able to stop as quickly as possible without skid...
13 years ago
if a number is subtracted from the numerator of 3/5 and the same number is added to the denomminator of 3/5, the result is equivalent to 1. find the number
12 years ago
If you have 75 cents and you have 27 nickels and dimes how many nickels do you have.
12 years ago
Write a recursive formula for the sequence: 12,-1,-14,-27...
12 years ago
Ethanol (C2H5OH) is synthesized for industrial use by the following reaction, carried out at very high pressure. C2H4(g) + H2O(g) → C2H5OH(l) What is the maximum amount, in kg, of ethanol that can be produced when 1.65 kg of ethylene (C2H4) and 0.0610 kg...
12 years ago
Manganese(III) fluoride, MnF3, can be prepared by the following reaction: 2MnI2(s) + 13F2(g) → 2MnF3(s) + 4IF5(l) If the percentage yield of MnF3 is always approximately 51%, how many grams of MnF3 can be expected if 40.0 grams of each reactant is used in...
12 years ago
how many H2O molecules can be formed from 200 H2 molecules and 200 O2 molecules?
12 years ago
When cane sugar reacts with oxygen in living systems, carbon dioxide and water are produced. What weight of carbon dioxide can be produced from the reaction of 15.0 grams of cane sugar with 15.0 grams of oxygen? (Hint: balance the equation) ___C12H22O11(s...
12 years ago
J. J. Berzelius collected the following data for three reactions: Reaction 1 – 11.56 grams of lead sulfide, PbS, were formed when 10.0 grams of lead reacted with 1.56 grams of sulfur Reaction 2 – 11.56 grams of lead sulfide were formed when 10.0 grams of...
12 years ago
Kittens weigh about 100 grams when born and gain 7 to 15 grams per day. If a kitten weighed 100 grams at birth and gained 8 grams per day, in how many days will the kitten triple its weight?
12 years ago
Balance the following equation for a basic solution. MnO4-+C2O4-2= Mno2 + CO3-2
11 years ago
XeO3 + I- ----> Xe + I2 (acidic solution) CN)2 -----> CN- + OCN- (basic solution) MnO2 + SO32- ---> Mn2+ + S2O62- (acidic solution) H2SeO3 + H2S -----> S + Se (acidic solution) Cl2 ---> Cl- + ClO3- (basic solution) ClNO2 -----> NO3- + Cl- (acidic solution...
11 years ago
A motorist traveling 55 mph is being pursued by a highway patrol car traveling 65 mph. If the patrol car is four miles behind the motorist, how long will it take the patrol car to overtake the motorist?
11 years ago
Please Help!!!!! If i spent 3 hours in homework and of that time 1/3 on math and 1/5 on science, what method could i use to solve this problem????????? Please Help Thanks!!!!
11 years ago
Why do negative emotions make it hard to learn or work toward a goal?
11 years ago
A marble rolls off the edge of a table that is 0.82 m high. The marble is moving at a speed of 0.11 m/s at the moment that it leaves the edge of the table. How far from the table does the marble land?
10 years ago
"When in the Course of human events, it becomes necessary for one people to dissolve the political bands which have connected them with another, and to assume among the powers of the earth, the separate and equal station to which the Laws of Nature and of...
10 years ago
A 0.97 m aqueous solution of an ionic compound with the formula MX has a freezing point of -2.5 ∘C .
10 years ago
An original samplemof an unknown potassium chloride/potassium cholate mixture weighed 1.042g before heating and 0.943g after heating. How many grams of oxygen were released?
10 years ago
A rectangle wheat field is 10^5 m long as 10^5 m wide. What is the area?
10 years ago
A basic rule in evaluating learning activities is to be sure A. the child has no prior knowledge. B. a variety of science process skills are used. C. the strategies are limited. D. the textbook provides step-by-step photos. my answer is b.
10 years ago
Joseph is making different shapes with a rubber band and a geoboard. Which of the following would be a geometric concept that Joseph is informally exploring? A. Estimation B. Patterns C. Volume D. Probability my answer is b.
10 years ago
Fraction symbols can usually be safely introduced A. at the beginning of third grade. B. near the end of first grade. C. near the end of third grade. D. at the beginning of second grade. my answer is c.
10 years ago
A square has a side length of 18 feet . This square is dilated by a scale of 1/2 to create a new square . What is the side length of the new square
9 years ago
What factors should you consider when determining the best graph or display to represent a given set of data? In your answer, choose a set of data relevant to your life and explain the best way to display it.
9 years ago
y^2+xy-3x=-5 dy/dt=-4 x=3 y=1 find dx/dt. i tried doing 2y(dy/dt)+ydx/dt-3=0 but i am not getting the right answer. Please tell me where i am going wrong.
9 years ago
What is the acceleration of a kg object if force of 3 n is applied to it?
9 years ago
How much pizza does eight of the friends get if they have one large pizza that they share equally.
9 years ago
Write an equation for the line that passes through the points (4,8) and (6,2).
4 years ago
Arturo is building a storage chest in the shape of a rectangular prism with dimensions x feet by x feet by 6 feet. He wants the chest to have a volume of 96 cubic feet. What are the unknown dimensions of the chest?
3 years ago
Answers
The following answers were posted by visitors named Brittney.
there is no parentheses in the math problem
17 years ago
thanks for your help
17 years ago
I2O5=??
17 years ago
thanks
17 years ago
Solidedahnr
16 years ago
Ok, Well What I think this means is, something like this, but I am not sure: Jennifer would want to take over the counter medications to help reduce the headaches and the backaches. Also a over the counter medication to help the indigestion that has been...
16 years ago
Amanda she is not refusing the question because she does not understand it, or because she is just refusing. She is saying this answer is unfair and if she was that student she would refuse to answer the question because she believes is biased and kind of...
15 years ago
Scanning Sonnet 73- That time of year thou mayst behold When yellow leaves, or none, or few do hang Upon those boughs which shake against the cold, Bare ruined choirs where late the sweet birds sang. Im horrible at scanning. But I would love to have some...
15 years ago
Thank you so much DrBob222
15 years ago
3/5. 5/5 - 2/5 = 3/5 chance of pulling out a green chip.
14 years ago
51grams/132.14grams=.386moles
14 years ago
I got that vi=10.29 then when I sub in I get that v=11.23 but this is the wrong answer. Am I doing something wrong?
14 years ago
NVM I got it!!
14 years ago
Ok well bobpursley first of all your a genius ;) second of all im a newbie at this logorithm stuff. thank you for helping me!
14 years ago
Thanks Damon!!!
14 years ago
force = change of pressure/area = 25000 N
14 years ago
Nope. its 10 2/3 divided by 4
14 years ago
The answer would be 7 right?
14 years ago
Yay! Thanx soooo much! <3
14 years ago
empirical mass = (12+1= 13) molar mass = 78 78/13 = 6; therefore, (CH)6 = C6H6 so that's correct?
13 years ago
It's 50mg. I really don't understand how to do this.
13 years ago
Flexible
12 years ago
Thanks!!
12 years ago
thanks!
12 years ago
thank you!
12 years ago
thank you!
12 years ago
1. Greek and Roman legacies to the world include contributions to modern law and government. Describe how modern law and government have been influenced by classical Greece and Rome. Include at least two examples from the Greeks and two examples from the...
11 years ago
I'm sorry the reast says to calculate the van't Hoff factor (i) for MX at this concentration.
10 years ago
the question is not specific.
10 years ago
I reread the chapter and I find the answer.is d.
10 years ago
I took the exam and my answer was correct.
10 years ago
The answer was correct. I had 100 point in my exam.
10 years ago
thanks
10 years ago
What is the best estimate for the product of 289 and 7
10 years ago
When would you use a line graph to present data
10 years ago
-66, -49, -44, -11, 49
9 years ago
I think you need to look at the data and the questions?
9 years ago
45 / 6 = ?
9 years ago
Yes Personification because in line 2, it says that the sun is shining with all his might.
9 years ago
Plus she said "Good Morning Mucho Grande". Freaking..... That's wrong. Wuh...like...my brain. Oh god my brain hurts.
9 years ago
Thank you for the help! Completely forgot about that rule... woops
9 years ago
10.30
9 years ago
Discuss the importance of landscape in crafting battle strategy for both the French and the English
9 years ago
A.topsoil
8 years ago
Could you help me on a question Ms. Sue please?
7 years ago
My question is How did the English-speaking white settlers change life for the Mexicanos in the Southwest?
7 years ago
Actually I just got this question wrong because that guy was wrong. The right answer is diprotic and the equation is H2SO3 + H2O ==> H3O^+ + HSO3^-
7 years ago
The answers for if you are on connection academy 1. C 2. B 3. C 4. A
5 years ago
Thank me foo is correct I got 100%
5 years ago
The answer is 6 :)
4 years ago
2a/b=h
4 years ago