# Britt

Popular questions and responses by Britt
1. ## Calculus

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

2. ## trig

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

3. ## 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

4. ## English

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

6. ## 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

7. ## 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?

8. ## chemistry

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

9. ## 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.

10. ## Calculus

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

11. ## 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

12. ## 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?

13. ## science

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

14. ## 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

15. ## 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?

16. ## Statistics

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

17. ## 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

18. ## 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

19. ## english

which is the best thesis A. Because air pollution is of serious concern to people in the world today, many countries have implemented a variety of plans to begin solving the problem. B. So far, research suggests that zero-emissions vehicles are one

20. ## 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

21. ## math

1). Using the function: y=y0,(.90)^t-1. In this equation y0 is the amount of initial dose and y is the amount of medication still available t hours after drug is administered. Suppose 20mg of the drug is administered. How long will it take for this initial

22. ## trigonometry

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

33. ## math

A video store charges $3.50 to rent a DVD. Every fourth DVD that a customer rents is free. Brooke paid a total of$252 last year for renting DVDs. How many free DVDs did she receive?

34. ## math

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

35. ## 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?

36. ## 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

37. ## Math HELP!

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

38. ## micro economics

When demand decreases and the demand curve shifts to the left, equilibrium price __________ and equilibrium quantity __________ . A. increases; increases B. increases; decreases C. decreases; increases D. decreases; decreases

39. ## algebra

Solve f(x)=3x^2+8x-6. Let f(x)=f(7a)

40. ## pharmaceutical calculations

Chlopheniramine 100milliliters Lidocaine 2ounces Banana flavoring 1teaspoon

41. ## 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

42. ## 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?

43. ## 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.

44. ## chemistry

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

45. ## 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

46. ## calculus

F(x)= log_3 (1-5x) F'(x)=

47. ## world history

how did spain acquire her american empire?

48. ## Algebra 1

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

49. ## Test prep

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

50. ## Algebra

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

51. ## Math prep

1). Using the function: y=y0,(.90)^t-1. In this equation y0 is the amount of initial dose and y is the amount of medication still available t hours after drug is administered. Suppose 20mg of the drug is administered. How long will it take for this initial

52. ## 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?

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

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!

-5/8- 3/4=

56. ## 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?

57. ## 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!!!

58. ## 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

59. ## Calculus

Total cost to manufacture q microwaves a day is C(q)=3q^2+q+48.What level of product gives the least average cost and Can a microwaves be produces for less than \$30?

60. ## history

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

61. ## history

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

62. ## science

What is the average speed of a car that travels 320km in 3.5 hours?

63. ## 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!

64. ## University Physics

Building A and Building B are 30m away from each other, on the 4th floor; 35m high, someone has set up a slingshot from the window on the 4th floor of building A and is trying to sling a balloon into the window directly across from them in building B. the

65. ## history

Discuss the importance of landscape in crafting battle strategy for both the French and the English. Help please! talking in general.. no one specific battle

66. ## calculus

Solve the equation 14=65(19)x for x using logs.

67. ## calculus

Solve for x: 2x=ex+1

68. ## trigonometry

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

69. ## trigonometry

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

70. ## trigonometry

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

71. ## trigonometry

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

72. ## 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

73. ## 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.

74. ## math

what is the sum of radical x- 1 and (x-1)^2 when x= 5?

75. ## calculus

The volume V of a cylinder is computed using the values 9.8 \text{m} for the diameter and 3 \text{m} for the height. Use the linear approximation to estimate the maximum error in V if each of these values has a possible error of at most 8 \%.

76. ## Precalculus

Can an even degree polynominal have exactly one x intercept?

77. ## Math

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

78. ## physical science

can water dissolve polar molecules or nonpolar molecules

79. ## Math

Rectangle with a diagonal length oh 26m and height of 10m

80. ## Math

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

81. ## algebra

x squared-4x-5 your factoring each expression.

82. ## Math

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

83. ## Science

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

84. ## 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.

85. ## Psych

I've seen adolescents with such a strong sense of their own importance, especially in sports, that they don't appear to care about anyone or anything else. What do you think?

86. ## calculus

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

87. ## 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?

88. ## 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?

89. ## statistics

suppose that 52percent of us sleep between 7 and 8 hours a day .find the decimal for 51 percent

90. ## 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?

91. ## algebra

Select the ordered pair from the choices below that is a solution to the following system of equations: 4y = 2x + 10 8x - 3y = -14

92. ## 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

93. ## 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

94. ## math

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

95. ## 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

96. ## 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

97. ## language

what sentence could you use please in an appaositive sentence

98. ## 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?

99. ## 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