# Britt

Most popular questions and responses by Britt-
## Chem

A 2.00L flask is filled with propane gas(C3H8)at 1.00atm and 15C. What is the mass of propane in the flask?

*asked on April 5, 2010* -
## trig

Angle θ lies in the second quadrant, and sin θ = 3/5. Find cos θ and tan θ.

*asked on April 1, 2016* -
## U.S History

Which countries did Simon Bolivar help to gain independence from Spain? (Select all that apply.) A. Haiti B. Mexico C. Peru D. Venezuela E. Ecuador C,D, E?

*asked on October 5, 2018* -
## Chemistry

If the pressure on a 1.04 L sample of gas is doubled at the constant temperature, what will be the new volume of the gas?

*asked on October 27, 2010* -
## U.S History

What was the purpose of the Dutch East Indian Company? It was a ship-building company in India that was financed and run by the Dutch government. It was a multinational corporation used to establish colonies and trade in foreign territories. It was a team

*asked on October 2, 2018* -
## Math

The symbols that stand for amounts are called? numbers, digits, numerals or shapes? A diagram with mammals at the top, then monkeys, dogs, cows, elephants, and cats is a (an) graph hierarchical classification flow chart divergence classification

*asked on October 25, 2016* -
## Trigonometry

I am trying to help my child out with a problem but yeah I am finding it veyr hard. Gabe is spending two weeks on an archaeological dig. He finds a fragment of a circular plate that his leader thinks may be valuable. The arc length of the fragment is about

*asked on June 21, 2010* -
## English

Which of the following are characteristics of allegory? A. Immitation B. Humor C. Didacticism D. Spiral Plot C. Music

*asked on October 13, 2011* -
## chemistry

Ammonia, NH3, can be made by reacting nitrogen with hydrogen. N2 + 3H2 = 2NH3 How many moles of NH3 can be made if 7.5 moles of H2 react with enough N2? Please help!

*asked on March 19, 2012* -
## Chemistry

At room temperature, 20° C, water (H2O) is a liquid and oxygen (O2) is a gas. Based on kinetic molecular theory, which answer best explains the states of the two fluids? aThe particles in the liquid have greater kinetic energy than the particles in the

*asked on November 14, 2017* -
## PHYSICS!

A 0.15 kg ball of dough is thrown straight up into the air with an initial velocity of 13 m/s. (a) Find the momentum of the of dough at its maximum height. kg·m/s upward (b) Find the momentum of the ball of dough halfway to its maximum height on the way

*asked on April 25, 2010* -
## chemistry

A sample of barium contains 3.20g of barium. How many atoms of barium are contained in the sample?

*asked on February 13, 2014* -
## English

Book: Lord of the Flies What is ironic about the naval officer who arrives to "rescue" the boys? How does Ralph feel about returning to the safety of civilization? Why does he weep—is it relief, or something else?

*asked on August 13, 2014* -
## accounting

Christy Burch and Myung Lim, partners, compared their current income statement with their income statement of a year ago. They noted that sales were 12.0% higher than a year ago. They also noted that the total expenses were 20.0% higher than a year ago.

*asked on January 13, 2012* -
## physics

A hypodermic needle is 2.98 cm in length and 0.28 mm in diameter. What pressure difference between the input and output of the needle is required so that the flow rate of water through it will be 1 g/s?

*asked on November 5, 2012* -
## math

the symbols that stands for amounts are called what? numbers, digits, numerals, shapes

*asked on October 30, 2016* -
## chemistry

Based on electronegativity values, which bond has the highest degree of ionic character: H--S Si--Cl Cs--Br?

*asked on April 6, 2012* -
## U.S. History

Which best describes a significant event that occurred during the American Revolutionary War? The Emancipation Proclamation declared the freedom of 3.1 million slaves. James Madison wrote the first 10 amendments of the Constitution, known as the Bill of

*asked on October 4, 2018* -
## Physics

The piolt of an airplane wishes to fly due north, but there is a 65-km/h wind blowing toward the east. in what direction should the pilot head her plane if its speed relative to the air is 340 km/h?

*asked on May 28, 2014* -
## physics

The distance from an observer on the plain to the top of a nearby mountain is 5.3km, and the angle between this line and the horizontal is 8.4 degrees. How tall is the mountain?

*asked on November 1, 2009* -
## Chem

You've just prepared a solution by transferring 20.0 g of glucose into a 1.0 - L volumetric flask, and adding water to the mark. Calculate the concentration of the glucose solution in terms of millimoles/Liter, mg/mL, and % (m/v). Ok, I think i'm

*asked on September 7, 2009* -
## Calculus

Minimize S=x+2y with xy=2 and both x and y > 0

*asked on November 12, 2007* -
## pharmaceutical calculations

Chlopheniramine 100milliliters Lidocaine 2ounces Banana flavoring 1teaspoon

*asked on December 10, 2014* -
## Calculus

Math questions, please help me? :(? Find the composite functions f o g and g o f for the given functions. f(x) = 10^x and g(x) = log x State the domain and range for each: f(x) = 4x + 1 and g(x) = x^2 f(x) = sin x and g(x) = x^2 - x + 1 f(x) = 10^x and

*asked on September 2, 2013* -
## statistics

MacDonald’s executives want to experiment with redesigning its restaurants so that the customers form one line leading to four registers, rather than four lines leading to four separate registers. They redesign 30 randomly selected restaurants with the

*asked on April 12, 2010* -
## MATH

Which division sentence will give an answer that is not in equal groups? a.) 26/4 b.) 35/7 c.) 42/6 d.) 45/5

*asked on January 14, 2010* -
## chemistry

the rusting of iron is represented by the eqquation 4Fe + 3O2 --> 2Fe2O3 if you have a 1.25-mol sample of iron, how many moles of Fe2O3 can be made?

*asked on June 11, 2012* -
## trigonometry

1) (sin2t) (cos5t) + (cos2t) (sin5t) 2) {1/(sec x - 1)} - {1/(sec x +1)} = 2 cot^2 x

*asked on December 20, 2011* -
## trigonometry

A sheet metal worker constructed a triangular metal flashing with sides of 6 ft., 5 ft., and 3 ft. If he charges $2 per square foot for this type of work, then what should he charge? Do not use Heron’s formula. Justify and explain your reasoning.

*asked on December 20, 2011* -
## Algebra

Can you explain to me how to solve this equation? 2/3x-9=1/3 1/3=.33 and 2/3=.66 now the problem is 0.66x-9=0.33 When I did this in math, I had trouble, but now I understand it. Since 0.33 is on the other side of the = then 9, you would do 0.33+9=9.33 In

*asked on December 6, 2006* -
## history

How did George Kennan’s containment doctrine change during the Truman, Eisenhower and Kennedy administrations? Which president was the most successful in containing Communism? HELP!!!

*asked on April 16, 2012* -
## history

How was the civil rights movement of the 1950s and 1960s a continuation of the Reconstruction-era struggle for blacks to achieve equality?

*asked on April 6, 2012* -
## trigonometry

{1/(sec x - 1)} - {1/(sec x +1)} = 2 cot^2 x solve using identities?

*asked on December 20, 2011* -
## Algebra

how do i solve this? .10=.9(x/15000)+.14(1-x/15000)

*asked on April 17, 2009* -
## english 3 honors

what are subordinate, adverb, adjective, and noun clauses?

*asked on November 18, 2008* -
## Calc

Find the equation of a tangent line of a graph pf y=x^2+4lnx, which is parallel to y=6x-3? I know parallel lines have the same slope so the slope is 6 but I do not know how to find the b value.

*asked on December 9, 2007* -
## math

Bill was christmas shopping. He spent 1/2 of his money on a gift for his sister and 1/3 on a gift for his brother. Later that day he spent 2/3 of his remaining money on a present for his mom. Bill had $20 left. How much money did Bill have to start with?

*asked on October 1, 2017* -
## physics

A neutron star has 10 km radius and rotation period 1.2 s What's the centripetal acceleration on its surface at the equator?

*asked on September 28, 2016* -
## Calculus

State the domain and range for each: f(x) = 4x + 1 and g(x) = x^2 f(x) = sin x and g(x) = x^2 - x + 1 f(x) = 10^x and g(x) = log x

*asked on September 2, 2013* -
## math

I have spent hours trying to do these, help! Use the given information to solve the triangle. 1) C = 145 degrees, b = 4, c = 14. 2) A = 150 degrees, C = 20 degrees, a = 200.

*asked on December 16, 2011* -
## Finance

A CBS bond with a par value of $1,000, an interest rate of 7.625 percent, and a maturity of 10 years The bond is selling for $986. The required rates of return is 6 percent for the bond.

*asked on May 24, 2010* -
## Algebra

69: 16x^2+8x-3. I inserted this into the quadratic formula and got -8+/- the square root of (8^2-4(16)(-3)/(2 times 16). This reduced to -8+/- the square root of (64+120)/32, which further reduced to -8+/-the square root of 184/32. I reduced the top part

*asked on October 4, 2009* -
## Physics

Your groceries are in a bag with paper handles. The handles will tear off if a force greater than 50.8 N is applied to them. What is the greatest mass of groceries that can be lifted safely with this bag, given that the bag is raised with constant speed.

*asked on September 22, 2009* -
## Calc

Ralph is taking his final exam. After t minutes into the exam Ralph has correctly solved P(t)=-.001t^3+.078t^2+.16t problems. a) at what time was Ralph solving problems most efficiently? b) at what time did Ralph's efficiency decline?

*asked on December 9, 2007* -
## world history

how did spain acquire her american empire?

*asked on December 3, 2012* -
## Algebra 1

solve: log8(w-6)=2-log8(w+15) note: the 8 is to be little at the bottom right corner of log

*asked on November 19, 2012* -
## chemistry

The electron pairs in a molecule of NH3 form a tetrahedron. Why does the NH3 molecule have a trigonal pyramidal shape rather than a tetrahedral shape? Explain your answer. PLEASE HELP

*asked on April 15, 2012* -
## trigonometry

Use De Moivre’s Theorem to simplify each expression. Write the answer in the form a + bi. {1 - i(/3)}^4

*asked on January 17, 2012* -
## Physics

A cheetah is hunting. Its prey runs for 2.56 s at a constant velocity of +10.02 m/s. Starting from rest, what constant acceleration must the cheetah maintain in order to run the same distance as its prey runs in the same time?

*asked on October 5, 2010* -
## Graphs

The Frivoli can produce either 30 pounds of spaghetti and no meatballs or 50 pounds of meatballs and no spaghetti or any combination in between. The Frivoli can produce 40 pounds of spaghetti and no meatballs or 30 pounds of meatballs and no spaghetti.

*asked on January 30, 2008* -
## Calc

How do you factor -2x^2+60x-120. I got -2(x^2-30x+60) but I need to factor it further.

*asked on December 8, 2007* -
## Math

A ladder is leaning up against a wall. The ladder touched the wall 5ft up. The ladder is 6ft Long. A) Draw a picture and label all of the values B) What is the angle that is made between the ladder and the ground? C) How far away from the wall is the

*asked on April 8, 2016* -
## math

The perimeter of a rectangle is given by P = 2W + 2L where W is the width and L is the length. The length of a rectangle is 3 more than twice its width. The perimeter of the rectangle is 66 meters. What is the length and width of the rectangle?

*asked on February 7, 2016* -
## Test prep

solve: log8(w-6)=2-log8(w+15) note: the 8 is to be little at the bottom right corner of log

*asked on November 19, 2012* -
## Algebra

Write expression as the logarithm of a single expression or number: ln(3x+2)+ln(x+4)

*asked on November 19, 2012* -
## Fifth grade English

What is the plural form of staff? Not sure if it should be staff or staffs. Thank you for helping. Britt

*asked on October 5, 2012* -
## 5th grade English

What is the simple predicate in this sentence? The lion is nicknamed the King of the Beasts. Would it be "is" or would it be "is nicknamed"? Thanks!

*asked on September 13, 2012* -
## science

you are riding your bike at 9km/h. ten minutes later; your speed is 6km/hr.

*asked on March 31, 2012* -
## Math

What is the area of a square with a diagonal length of 15 times the square root of 2?

*asked on May 12, 2011* -
## pysics

a school bus takes 0.530 h to reach the school from your house. if the average velocity of the bus is 19.0 km/h to the east, what is the displacement?

*asked on September 30, 2010* -
## physics

A 1.88-m long rope has a mass of 0.139 kg. The tension is 55.4 N. An oscillator at one end sends a harmonic wave with an amplitude of 1.09 cm down the rope. The other end of the rope is terminated so all of the energy of the wave is absorbed and none is

*asked on April 16, 2010* -
## math

for two consecutive numbers, the sum of the smaller number plus twice the lage number is 38. what are the numbers?

*asked on April 12, 2010* -
## MATH

Coin box Question: Assume that there are 25 pennies, 10 nickels, 10 dimes, and 5 quarters in a box. after shuffeling the box, you pick a coin at random and note down its face value. let x represent the face value of the coin in cents. then construct the

*asked on November 2, 2009* -
## math

identifying domain and range

*asked on September 29, 2009* -
## Basic Algebra

How do I solve for .10=.9x + .14(1-x) I keep getting x/(1-x) and I don;t know how to do that. Any help would be appreciated

*asked on April 16, 2009* -
## Statistics

Does the t distribution have a mean of zero, or is it a continuous distribution?

*asked on November 24, 2008* -
## english

what is the moodd which the author creates in the upturned face

*asked on October 3, 2008* -
## Economics

I have to draw some Supply/demand curves and I want to know if they are right Personal computers: more user-friendly software become available and the costs of inputs are reduced. Supply moves to the right, demand moves to the left, quantity goes up and so

*asked on February 11, 2008* -
## Significant Figures

Report the following to two significant figures a. 3.1459 b. 6.003 c. 42 d. 6.0233 x 10^23 e. 14.456 + 3.87 f. 9.9999995 - 0.0108 g. 67.3 x 6.667 h. 4.93 / 3.946 Can someone please check my answers a. 3.1 b. 6.0 c. 42 d. 6.0 x 10^23 e. 18 f. 10. g. 4.5 x

*asked on January 27, 2008* -
## Significant Figures

Report the following to two significant figures a. 3.1459 b. 6.003 c. 42 d. 6.0233 x 10^23 e. 14.456 + 3.87 f. 9.9999995 - 0.0108 g. 67.3 x 6.667 h. 4.93 / 3.946

*asked on January 27, 2008* -
## Calc

Classify all critical points of the function f(x,y)=x^2-y^2+4x-2y+1. I know I have to take the partial derivative and set them equal to zero to get my points and then use the Hessian. For some reason I am not getting the correct answer. partial d/dx 2x+4

*asked on December 9, 2007* -
## Calculus

Given the function f(x) = (x-2)/(x^3-8), what value should be assigned to f(x) to make the function continuous at x=2? Please walk me through this. I have the answer but do not know how to get it.

*asked on December 9, 2007* -
## speed of rocket

how fast does a rocket need to go to break earth's gravitationl pull The final rocket velocity required to maintain a circular orbit around the Earth may be computed from the following: Vc = sqrt(µ/r) where Vc is the circular orbital velocity in feet per

*asked on August 25, 2005* -
## Math HELP!

what is 4x3x2x1=? what is 9,348+102+5,802+1,933=?HELP!!!!!!!!!!

*asked on October 29, 2015* -
## english

which is a better thesis A. Because it has become outdated, the electoral college should be replaced by a system that allows the US president to be elected by direct popular vote. B. Rather than voting for a presidential candidate, voters in a US

*asked on September 15, 2014* -
## Physics

A 920kg car is 65m from a concrete barrier, travelling at 125km/h, when the driver notices and slams on the breaks. The frictional force acting on the car is 8500 N. Is ther driver able to stop the car before hitting the barrier.

*asked on April 1, 2014* -
## history

How was the civil rights movement of the 1950s and 1960s a continuation of the Reconstruction-era struggle for blacks to achieve equality?

*asked on April 9, 2012* -
## trigonometry

Find a complex number a + bi such that a^2 + b^2 is irrational. Justify and explain your reasoning.

*asked on January 13, 2012* -
## trigonometry

Use identities to simplify each expression. 1) (sin2t) (cos5t) + (cos2t) (sin5t) 2) {1/(sec x - 1)} - {1/(sec x +1)} = 2 cot^2 x

*asked on December 20, 2011* -
## trigonometry

Use the given information to solve the triangle. 1) C = 145 degrees, b = 4, c = 14. 2) A = 150 degrees, C = 20 degrees, a = 200.

*asked on December 15, 2011* -
## Math

Find cos(theta) if (-15, 8) is a point of the terminal side of theta.

*asked on August 12, 2011* -
## physical science

can water dissolve polar molecules or nonpolar molecules

*asked on May 19, 2011* -
## Math

Find (f-g)(-3) when f(x) = x + 3 and g(x) = sq. rt. x - 7

*asked on March 6, 2011* -
## Science

Identify two different types of green power. Identify a disadvantage and advantage of each type. Thanks Britt

*asked on March 4, 2011* -
## psychology

Explain how influences from each of the 4 levels of the ecological perspective have affected your development thus far (8 pts). List the level and then write a few sentences explaining how it has affected you.

*asked on February 2, 2011* -
## Social Studies

The First Amendment does not guarantee absolute freedoms or rights Why?

*asked on January 26, 2011* -
## calculus

what is the slope of the curve y=tan(6x^2) when x=ð

*asked on January 5, 2011* -
## Stat

Coin box Question: Assume that there are 25 pennies, 10 nickels, 10 dimes, and 5 quarters in a box. after shuffeling the box, you pick a coin at random and note down its face value. let x represent the face value of the coin in cents. then construct the

*asked on November 2, 2009* -
## Physics

A fire helicopter carries a 679 kg bucket of water at the end of a 15.2 m long cable. Flying back from a fire at a constant speed of 42.5 m/s, the cable makes an angle of 49.0o with respect to the vertical. Determine the force of air resistance on the

*asked on September 22, 2009* -
## Chem

You've just prepared a solution by transferring 20.0 g of glucose into a 1.0 - L volumetric flask, and adding water to the mark. Calculate the concentration of the glucose solution in terms of millimoles/Liter, mg/mL, and % (m/v).

*asked on September 1, 2009* -
## math

I need help with finding function that appears in newspaper, and what is the domain and range of each. My question is what i'm i suppose to look for in the newspaper a article?

*asked on August 13, 2009* -
## Sci.

if you're trying to extract a metal from its ore, would you use reduction, oxidation, melting or casting? Thanks for your help.

*asked on April 20, 2009* -
## Math

how do you solve this I keep trying and I keep getting the wrong answer. I keep getting x=19000 and that is not correct .10=.9(x/15000)+.14[(1-x)/15000]

*asked on April 19, 2009* -
## punctuation

The question we need to ask ourselves is (comma) (no punctuation ) "Do we really want to move ahead? (quotation mark only)(quotation mark followed by a period )

*asked on November 4, 2008* -
## Economics

How does increasing or decreasing the quantity of capital goods produced this period affect next period's production possibilities curve and why? The only thing I can think of is that if more products are produced this period, less can be produced next

*asked on January 30, 2008* -
## Economics

How does increasing or decreasing the quantity of capital goods produced this period affect next period's production possibilities curve and why? The only thing I can think of is that if more products are produced this period, less can be produced next

*asked on January 30, 2008* -
## Rounding

Round to two decimal places a. 3.1459 b. 6.003 c. 42 d. 6.0233 x 10^23 e. 14.456 + 3.87 f. 9.9999995 - 0.0108 g. 67.3 x 6.667 h. 4.93 / 3.946 check my answers please a. 3.15 b. 6.00 c. 42 d. 6.02 x 10^23 e. 18.33 f. 9.99 g. 448.69 h. 1.25

*asked on January 27, 2008* -
## Calculus

What is the derivative of t^3/3

*asked on December 9, 2007* -
## CALC

What are local extrema?

*asked on December 9, 2007* -
## Calculus

Find the limit. Use L'Hopitals Rule if necessary. lim (x^2+3x+2)/(x^2+x) x -> 0

*asked on November 12, 2007*

## Pages

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