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Brittney

Questions (107)

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
1. 1 answer
2. 302 views
Write an equation for the line that passes through the points (4,8) and (6,2).
1. 3 answers
2. 2,164 views
A nonconducting sphere with net charge +Q uniformly distributed throughout its volume creates an electric field of magnitude E
1. 4 answers
2. 1,014 views
How much pizza does eight of the friends get if they have one large pizza that they share equally.
1. 1 answer
2. 430 views
What is the acceleration of a kg object if force of 3 n is applied to it?
1. 1 answer
2. 440 views
Come up with a new linear function that has a slope that falls in the range−< < 1 0 m . Choose two different initial values.
1. 2 answers
2. 1,065 views
y^2+xy-3x=-5dy/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
1. 4 answers
2. 577 views
A child sitting 1.80 m from the center of a merry-go-round moves with a speed of 1.45 m/s . Calculate the centripetal
1. 3 answers
2. 834 views
What factors should you consider when determining the best graph or display to represent a given set of data? In your answer,
1. 10 answers
2. 5,166 views
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
1. 2 answers
2. 514 views
How long does it take an automobile traveling 62.9 km/h to become even with a car that is traveling in another lane at 48.9 km/h
1. 2 answers
2. 815 views
Fraction symbols can usually be safely introducedA. at the beginning of third grade. B. near the end of first grade. C. near the
1. 3 answers
2. 1,917 views
Sarah understands that if there are 11 ones, the first 10 move over to the tens column as one unit (i.e.,one group of 10). What
1. 1 answer
2. 418 views
Joseph is making different shapes with a rubber band and a geoboard. Which of the following would bea geometric concept that
1. 1 answer
2. 500 views
When a teacher chooses learning objectives for a child, which question should be asked?A. What should Kelly learn next? B.
1. 4 answers
2. 611 views
A basic rule in evaluating learning activities is to be sureA. the child has no prior knowledge. B. a variety of science process
1. 1 answer
2. 476 views
Which of the following process skills is generally more important for use with older children?A. Observing B. Communicating C.
1. 9 answers
2. 442 views
A rectangle wheat field is 10^5 m long as 10^5 m wide. What is the area?
1. 1 answer
2. 372 views
An original samplemof an unknown potassium chloride/potassium cholate mixture weighed 1.042g before heating and 0.943g after
1. 2 answers
2. 579 views
A 0.97 m aqueous solution of an ionic compound with the formula MX has a freezing point of -2.5 ∘C .
1. 4 answers
2. 1,562 views
"When in the Course of human events, it becomes necessary for one people to dissolve the political bands which have connected
1. 4 answers
2. 2,992 views
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
1. 3 answers
2. 761 views
How is the Sky Screamer at Six Flags an example of Newton's First Law?
1. 1 answer
2. 415 views
Why do negative emotions make it hard to learn or work toward a goal?
1. 1 answer
2. 473 views
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
1. 1 answer
2. 469 views
A motorist traveling 55 mph is being pursued by a highway patrol car traveling 65 mph. If the patrol car is four miles behind
1. 2 answers
2. 636 views
XeO3 + I- ----> Xe + I2 (acidic solution)CN)2 -----> CN- + OCN- (basic solution) MnO2 + SO32- ---> Mn2+ + S2O62- (acidic
1. 2 answers
2. 1,390 views
Balance the following equation for a basic solution.MnO4-+C2O4-2= Mno2 + CO3-2
1. 4 answers
2. 2,754 views
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
1. 4 answers
2. 2,069 views
J. J. Berzelius collected the following data for three reactions:Reaction 1 – 11.56 grams of lead sulfide, PbS, were formed
1. 2 answers
2. 810 views
When cane sugar reacts with oxygen in living systems, carbon dioxide and water are produced. What weight of carbon dioxide can
1. 4 answers
2. 1,527 views
how many H2O molecules can be formed from 200 H2 molecules and 200 O2 molecules?
1. 5 answers
2. 883 views
Manganese(III) fluoride, MnF3, can be prepared by the following reaction:2MnI2(s) + 13F2(g) → 2MnF3(s) + 4IF5(l) If the
1. 3 answers
2. 1,049 views
Ethanol (C2H5OH) is synthesized for industrial use by the following reaction, carried out at very high pressure.C2H4(g) + H2O(g)
1. 4 answers
2. 1,300 views
Integrate the expression β = 1/V (δV / δT) at constant pressure, assuming that β is independent of temperature. By doing so,
1. 4 answers
2. 1,179 views
Calculate the enthalpy change when 45 g of ice at -40.0 oC is heated to completely melt to liquid water at 0.0oC. (The heat of
1. 1 answer
2. 448 views
Write a recursive formula for the sequence: 12,-1,-14,-27...
1. 3 answers
2. 944 views
The coefficients of friction between a 250 lb football sled and the grass are Mu(s)=0.6 and Mu(k)=0.4. For grass and cleats,
1. 1 answer
2. 701 views
If you have 75 cents and you have 27 nickels and dimes how many nickels do you have.
1. 1 answer
2. 479 views
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
1. 3 answers
2. 1,483 views
A car traveling at 20 m/s applies the brakes. The coefficients of static and kinetic friction between the tiresand the road are
1. 4 answers
2. 865 views
What equivalent fraction would you use to subtract 1/3 from 5/9?
1. 4 answers
2. 1,123 views
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
1. 1 answer
2. 400 views
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
1. 2 answers
2. 772 views
How do you solve a(x+1)= b solving for x
1. 1 answer
2. 294 views
How do you solve a(x+1)= b solving for x
1. 1 answer
2. 355 views
If your body develops a charge of -17 (microcoulombs), how many excess electrons has it acquired, and what is their collective
1. 4 answers
2. 3,607 views
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
1. 1 answer
2. 456 views
A force sensor is used to measure a force applied to a 9.1 kg box on a hard, horizontal surface. It records that the box starts
1. 3 answers
2. 534 views
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
1. 3 answers
2. 1,231 views
How did George Kennan’s containment doctrine change during the Truman, Eisenhower and Kennedy administrations? Which president
1. 1 answer
2. 890 views
Describe President Reagan’s foreign policy goals and summarize several of the major, specific actions he took to meet those
1. 2 answers
2. 625 views
How was the civil rights movement of the 1950s and 1960s a continuation of the Reconstruction-era struggle for blacks to achieve
1. 2 answers
2. 571 views
Benzene has the empirical formula CH and an experimental molar mass of 78 g/mol. What is its molecular formula? Explain how you
1. 5 answers
2. 1,906 views
How did George Kennan’s containment doctrine change during the Truman, Eisenhower and Kennedy administrations? Which president
1. 1 answer
2. 532 views
A string has a length of 84 cm. The string is stretched taut, and both ends are restricted to be nonmoving. Touching the string
1. 3 answers
2. 908 views
If the magnitude of the electric field in air exceeds roughly 3 X10^6 N/C, the air breaks down and a spark forms. For a two-disk
1. 4 answers
2. 4,325 views
Part 1: You finally made it…graduation day has arrived! Your parents are so proud that they are throwing you a HUGE party.
1. 2 answers
2. 774 views
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
1. 2 answers
2. 607 views
Can somebody please help me evaluate:13 1/3 + 6 2/9 ? (=
1. 1 answer
2. 359 views
Can somebody please help me Evaluate:3 1/9 * 2 1/4 ? (=
1. 6 answers
2. 428 views
10 2 2/3 / 4
1. 3 answers
2. 288 views
The door and the seals on an aircraft are subject to a tremendous amount of force during flight. At an altitude of 10,000 m
1. 3 answers
2. 874 views
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
1. 3 answers
2. 2,763 views
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
1. 2 answers
2. 850 views
I need help finding the asymptotes, and domain of these two graphs..1) 1/x^2 Vertical Asym.:? Domain:? Horizontal asym.: y=0 2)
1. 1 answer
2. 397 views
Determine whether x+6 is a factor of x^3+4x^2-27x-90
1. 2 answers
2. 705 views
ok did i do this right?evaluate the expression log(base4)(16)(4) log(4) 16 + log(4) 4 ? can you do that?
1. 3 answers
2. 483 views
Expand the expression of log5x^(1/3)y^65 is the base of the log. this is pretty tricky stuff and im not sure how to attempt it..
1. 3 answers
2. 499 views
Solve the equation and check for extraneous solutions.10^((x^2)+1)=100,000 How do i handle this when the exponents have
1. 1 answer
2. 417 views
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??
1. 3 answers
2. 2,196 views
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,
1. 2 answers
2. 709 views
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
1. 5 answers
2. 3,832 views
Suppose the roller coaster in Fig. 6-41 (h1 = 30 m, h2 = 11 m, h3 = 20) passes point 1 with a speed of 2.10 m/s. If the average
1. 3 answers
2. 553 views
A child in a boat throws a 5.40 kg package out horizontally with a speed of 10.0 m/s, Fig. 7-31. Calculate the velocity of the
1. 1 answer
2. 913 views
Dr. Miller pulled a wooden crate at a constant accelerationof 1.23 meters per second per second with a forceof 752 newtons at an
1. 2 answers
2. 562 views
How does the structure of macromolecules such as proteins act as an index of relatedness between species?
1. 2 answers
2. 586 views
if sam earned $4,000 and gave 1/5 wawy and invested 1/2 of the remaining amount how much did he have left?
1. 1 answer
2. 443 views
Why is YBa2Cu3O7 a super conductor? Explain Chemistry and Structural bases.
1. 1 answer
2. 309 views
Show, with equations, why the solution from which BaSo4 is precipitated cannot be allowed to be more then 0.01-0.05M in HCl.
1. 2 answers
2. 595 views
How many monosaccharides most likely make up this molecule: C 10H20 O10
1. 1 answer
2. 323 views
Alex has 7 dimes and 3 nickels.What fraction of the coins are dimes?
1. 4 answers
2. 668 views
Suppose that Maria has 140 coins consisting of pennies, nickels, and dimes. The number of nickels she has is 9 less than twice
1. 4 answers
2. 1,207 views
The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.9%. Assuming a Malthusian
1. 2 answers
2. 1,152 views
Write a chemical equation to express the fact that, at 0 °C, ice melts by absorbing 334 J of heat per gram of ice.
1. 2 answers
2. 568 views
A single drop of water is injected into a balloon at 25C that contains ammonia, at 1 atm. What will happen to the V of the
1. 1 answer
2. 303 views
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
1. 4 answers
2. 2,784 views
During a strenuous workout, a student generates 2000 kJ of heat energy. What mass of water would have to evaporate from the
1. 4 answers
2. 1,666 views
How do you graph this liear inequality2y greater than equal to 4x-6
1. 1 answer
2. 447 views
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
1. 3 answers
2. 472 views
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
1. 3 answers
2. 491 views
Assume that the life expectancy of U.S. males is normally distributed with a mean of 80 years and a standard deviation of 4
1. 4 answers
2. 547 views
The market’s required return on Gitche Gumee Oil Company stock is currently 13.8 percent. If the expected return on the market
1. 1 answer
2. 1,125 views
I am reading a book called To kill a mocking bird. and had a couple questions. . .-what is the dare with which dill challenges
1. 4 answers
2. 556 views
o In the future, how will thinking critically influence the ways that you:Read? Write? Process information?
1. 1 answer
2. 533 views
Summarize the effects of one type of sexual dysfunction that can affect both men and women. What are some factors that may cause
1. 3 answers
2. 682 views
Jennifer is a 29-year-old administrative assistant married to Antonio, an Italian engineer, whom Jennifer met four years earlier
1. 4 answers
2. 559 views
_______a rhythmic disturbance that carry energywithout carrying matter
1. 1 answer
2. 313 views
Can anyone explain this equation.Simplify by removing factors of 1. q^2-64/(q+8)^2
1. 3 answers
2. 404 views
3x-27/55÷x-9/15x my answer is =3(11x^2-4)/11xis this correct.
1. 2 answers
2. 532 views

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