Questions Asked onOctober 8, 2014

1. Science

How does DNA determine a trait such as eye color? A. DNA codes for proteins that determine eye color. B. DNA code for mRNA that detemines eye color. C. DNA interacts with proteins to control eye color. D. DNA contains pigments which make up eye color. Is

2. science

1.)a basketball momentarily changes shapes as it bounces off the floor. this is due to balanced forces acting on the ball. True (answer) false 2.) a ball slowing down as it roles across the carpet is an example of what ? (1 point) a.)balanced force

asked by Hannah Marie
3. Physics

Salmon often jump waterfalls to reach their breeding grounds. Starting 2.00 m from a waterfall 0.55 m in height, at what minimum speed must a salmon jumping at an angle of 32.0 degrees leave the water to continue up stream? help plz...stuck....thx

asked by LaVonda Smith
4. Math

A heated piece of metal cools according to the function c(x)=(.5)^(x−9), where x is measured in hours. A device is added that aids in cooling according to the function h(x)=−x−2. What will be the temperature of the metal after five hours? -7 Degrees

5. English

Identify the sentence pattern used below. I e-mailed my English Teacher my essay. My answer is subject verb

6. Math

What is the logarithmic function modeled by the following table? x f(x) 8 3 16 4 32 5 f(x) = logx 2 f(x) = log2 x f(x) = 2 log10 x f(x) = x log10 2

7. Math

A population of flies grows according to the function p(x)=2(4)^x, where x is measured in weeks. A local spider has set up shop and consumes flies according to the function s(x)=2x + 5. What is the population of flies after two weeks with the introduced

asked by Help Me
8. Science

If one rabbit had brown fur and another has black fur, what conclusion can you draw about the rabbits' genetic codes? A. The order of bases in the section of DNA that codes for fur color in the brown rabbit cannot be read by mRNA. B. The genetic code of

9. physics

Suppose that 1100 j of work is done by the force 30 n in moving the suitcase a distance of 50 m. At what angle is the force oriented with respect to the ground?

10. Math

If Joe wanted to create a function that modeled an exponential function with base of 8 and what exponents were needed to reach specific values, how would he set up his function? f(x) = x^8 f(x) = log8 x f(x) = logx 8 f(x) = 8^x

11. math

In how many ways can a full house of three jacks and a pair of twos be obtained from an ordinary deck of cards?

12. Chemistry

A 0.700 g sample containing Ag2O and inert material is heated, causing the silver oxide to decompose according to the following equation: 2 Ag2O(s) → 4 Ag(s) + O2(g) If 13.8 mL of gas are collected over water at 27°C and 1.00 atm external pressure, what

13. History

1. What were the Townshend Acts? (1 point) -The British put taxes on imported goods such as tea and glass. (answer) -The British put taxes on hotels and other lodging accommodations. -The British put taxes on newspapers, magazines, and official licenses.

14. math

In how many ways can four aces be drawn from a deck of cards? (Order is not important.)

15. math

The surface area of the top surface of the water in a circular swimming pool is about 206 square feet. Estimate the radius of the pool, to the nearest foot. A. about 14 feet B. about 8 feet C. about 11 feet D. about 10 feet any help?

16. Health

1. Which one of the following choices is the most nutrient-dense snack? A. Unsalted pretzels and cheddar cheese B. Green salad with ranch dressing C. Baked potato chips and sparkling water D. Sliced bananas, walnuts, and orange sections D? 2. How can a

17. sociology

Micah is studying child behavior in playgrounds throughout the world. He wants to see how the children react when teachers select the same child to be the first to use each piece of equipment. Which approach is Micah is using?

18. Physics

A 6m long uniform ladder which has a mass of 25kg leans with its upper end against a smoorth vertical wall and its lower end on rough horizontal ground. The base of the ladder is 3m from the wall and a man of mass 70kg is two thirds of the way up the

19. Science

How do mRNA and tRNA work together to make proteins? A. tRNA carries the instructions coded in mRNA to the ribosomes where mRNA decodes DNA to make proteins. B. mRNA carries the instructions coded in tRNA to the ribosomes where mRNA decodes DNA to make

20. physics

A 600-pound boat sits on a ramp inclined at 30 degrees as shown in the attached image. What force is required to keep the boat from rolling down the ramp? Completely lost, never done physics before....

21. math

use counters to model problems.1.Oliver has one juice box.Lucy has one fewer juice box than Oliver.How many juice boxes does Lucy have? Write the number. answer 1/2?

22. math

STRING LENGTHS: You have two pieces of string. One is 27 cm long. The other is 45 cm long. You want to cut each piece of string into smaller pieces of equal length. Each length is to be a whole number of centimeters. List all the possible lengths of the

asked by Willy Wonka
23. Science 8

How are Newton’s second and third laws of motion important to your everyday life? Please help me! I've looked everywhere and I can't seem to find an answer.

24. math

A spinner with three congruent sections is spun with the results as shown. What is P(1)? 1 3 3 2 1 2 1 1 3 3 2 1 1 1 2 2 2 3 3 1 3 A. 1/3 B. 8/21 C. 13/21 D. 3/7 plz help

25. government

What is the purpose of the other sixteen amendments other than the Bill of Rights?

26. Chemistry

If one assumes the volumes are additive, what is the concentration, in mol/L, of NO3− in a solution obtained by mixing 263 mL of 0.167 M KNO3, 311 mL of 0.404 M Mg(NO3)2, and 713 mL of H2O?

27. Chemistry

Calculate how many grams of O2(g) can be produced from heating 37.0 grams of KClO3(s). Formula: 2KClO3 = 2KCl + 3O2

asked by Lexi Hanson
28. To Ms.Sue

Ms.Sue I don't know what to do? Where to get the help from for Health.If possible can you please check .

29. Literature

Which of the following sentences contains an action verb? A. Pahom's wife seems jealous of her sister. B. The Devil is happy about Pahom's boast. C. The grain dealer mentions the Bashkirs. D. Pahom becomes greedy for more land. I think its D??

30. English

What does Lian Dolan mean in “Carrying Your Own Skis” when she says that “skiing was work”? A. Skiing was not at all enjoyable. B. Skiers then did not have the conveniences they have now. C. Skiing was a very expensive sport, and you had to work

31. CHEM 111

What is the net ionic equation of Na3PO4 + NH4Cl=?

32. Math (Algebra 2)

A population of flies grows according to the function p(x) = 2(4)x, where x is measured in weeks. A local spider has set up shop and consumes flies according to the function s(x) = 2x + 5. What is the population of flies after two weeks with the introduced

33. Science

What is the genetic code? A. The order of amino acids in proteins makes up the genetic code. B. The order of amino acids in mRNA makes up the genetic code. C. The order of nitrogen bases in tRNA make up the genetic code. D. The order of nitrogen bases in

34. Calculus

Some cowboys plan to build a rectangular corral in a canyon. They have 500 feet of fencing to use for three sides of the rectangle (the canyon wall is used for the 4th side). a) What is the maximum area that they can fence in? b) What are the dimensions of

35. math (need check answer)

You are buying balloons for a party. A small balloon cost \$3. A large balloon cost \$4. Write an algebraic expression for the cost of x small balloons and y large balloons. Then find the total cost for 14 small balloons and 8 large balloons. Q1: An

36. physics

A construction worker is carrying a load of 40 kilograms over his head and is walking at a constant velocity. If he travels a distance of 50 meters, how much work is being done?

37. Chemistry

What volume of 5.0 M H2SO4 should be diluted to 100mL to prepare a 0.25 M H2SO4 M solution? I know the molar mass of H2SO4 is 98g but I'm not sure where exactly that fits in and how I'm supposed to get it to be diluted. Thank you!

38. physics

In a traction setup for a broken bone, with pulleys and rope available, how might we be able to increase the force along the femur using the same weight?

39. algebra

Calvin mixes candy that sells for \$2.00 per pound with candy that costs \$3.60 per pound to make 50 pounds of cancdy selling for \$2.16 per pound. How many pounds of each kind of candy did he use in the mix? I cannot figure out the other equation.

40. Math

Which ordered pairs in the form (x, y) are solutions to the equation 7x – 5y = 28? *Choose all that apply* (−6, −14)** (−1, −7) (4, 10) (7, 9)

41. math

if A 52 card deck of playing cards is shuffled, and one card is dealt from the top of the deck. What is the probability that it is a red ten? 52 cards in a standard deck. 13 Diamonds 13 Hearts all RED. Then have 13 Spades and 13 Clubs, all BLACK so 26 red

During the first 13 weeks of the television season, the Saturday evening 8:00 P.M. to 9:00 P.M. audience proportions were recorded as ABC 29%, CBS 28%, NBC 25%, and independents 18%. A sample of 300 homes two weeks after a Saturday night schedule revision

43. Science

What is the genetic code? A. The order of amino acids in proteins makes up the genetic code. B. The order of amino acids in mRNA makes up the genetic code. C. The order of nitrogen bases in tRNA make up the genetic code. D. The order of nitrogen bases in

44. Chemistry

Give a acid-base pairs which produce Na2CO3 as a salt

45. help

Identify the function that models (ignoring air resistance) a ball being thrown in the air with an initial velocity of 70 ft/s, from a height of 5 feet.

46. physics

A bicyclist is pedaling along a road that is sloped upward with angle theta. At which of these road elevation angles must the bicycle wheels exert the greatest force back on the road to move the bicycle forward at the same constant speed?

47. math

andy has 6 2/3 quarts of juice. how many 2/3 cups servings can he pour

48. Sociology (Stats) Std. Dev

Given (μ) = 500, and σ = 100. What percentage of the SAT scores falls: A) Between 500 and 600? The percentage falls 1 σ above the (μ), 68.26% / 2 = 34.13% B) Between 400 and 600? The percentage falls 1 σ below and 1 σ above the (μ) C) Between 500

49. Math

5/8 of the 64 musicians in a music contest are guitarists. Some of the guitarists play jazz solos, and the rest play classical solos. The ratio of the number of guitarists playing jazz solos to the total number of guitarists in the contest is 1:4. How many

50. Chemistry

Calculate amount of 1 M acetic acid and 1M sodium acetate necessary to prepare 50 ml of a 0.15 M buffer at ph 4.80. (pka acetic acid =4.74)

51. MATH (STATS)

To determine the views of a students on a particular campus about fraternities, an 11-point attitude scale was administered to a random sample of 40 students. This survey yielded a sample mean of 6 (the higher the score, the more favorable the view of the

52. chemistry

How many oxygen atoms are in 0.07 mol of dinitrogen pentoxide (N2O5)? Answer in units of atoms

53. physics

In the figure, a frictionless roller coaster car of mass m = 938 kg tops the first hill with speed v0 = 14.9 m/s at height h = 31.5 m. How much work does the gravitational force do on the car from that point to (a) point A, (b) point B, and (c) point C? If

54. Electron transition

The electron in a hydrogen atom in level n= 8 undergoes a transition to a lower leve by emitting a photon of wavelength 956 mom. What is the final level of the electron? A) 4 B) 8 C) 9 D) 1 E) 3

55. Physics

Which method of sliding a block of ice requires less force—(a) pushing or (b) pulling at the same angle above the horizontal?

56. Math! Please check!

Okay, so this one is going to be a bit difficult to answer as I cannot post my number line, so you may just have to visualize it, or draw it out on paper. If HI = GM at what coordinates could point M lie? Point H is at 8 on the number line and point I is

57. Math

What answer represents this number in scientific notation? 0.000000916 A. 916*10^-8 B. 9.16*10^-6 C. 916*10^8 D. 9.16*10^6 A? Thanks

58. Math! Please check!

Name the intersection of planes ADE and BEA. A- plane BED B- plane ABC C- line BD D- line AE My choice is D. (Sorry that I could not post an image)

59. Engineering

what heading must a pilot fly to compensate for a 125km/h west wind to have a ground track that is due south? The airecraft cruise speed is 600 km/h. What is the actual ground speed?

60. alkali mixtur titration

why phenolphthalein is added first then methyl orange in alkali mixtur titration

61. math

at this rate, how many trucks would pass luann if 90 vehicles passed her

62. Physics

Which of the following processes is used in order to fabricate monocrystalline silicon? Note that more than one correct answer is possible. The Czochralski process Silicon ribbon process The float-zone process The silicon casting process

63. Literature

Which of the following passages from “The Garden of Stubborn Cats” is a clue that the cats symbolize resistance to order? A. “Following his tabby friend, Marcovaldo had started looking at places as if through the round eyes of a cat ….” B. “On

64. English

They walk into a meeting. 'Camerfield for judge!' shout the people on the left. 'Mandiboy for judge!' shout the people on the right. Thenthey start fighting..... ------------------------- What is happening in the passage above? Who is 'Camerfield' and who

65. Science

Pleistocene mammoth bone from La Brea Tar Pits of Los Angeles, California. Age: 12,200 ± 35 years. What the BP Date?

66. math help

Simplify the expression. 12P5 (by the way numbers are smaller) A. 11,880 B. 95,040 C. 1,235,520 D. 7,920

67. analytic geometry

The image of a point after a reflection over the line y = –x is (7, –1). Find the coordinates of the preimage.

68. math

The school colors are blue and white. Elizabeth has 84 blue balloons and 96 white balloons. How many balloon bouquets can she make if she wants to haVe the same number of each color in each bouquet and use all balloons?

69. Literature

When you save documents, it is important to check the _____ at the top of the navigation window to ensure saving your file in the current location A.adress bar ** B.insert ribbon C.file type D.file name

70. math

A stick is cut into three pieces,each having a different length.Each piece(except the shortest)is twice as long as another piece.What fraction of the whole stick is each piece?

71. Vocabulary Double Check Please

Choose the letter of the best ANTONYM of the word in bold faced type.bold will be in parentheses. 1) their (patronage of) the arts A.support for B. opposition to C. advertisement of D. festival of E. interest in... i think its b 2) to (fraternize) with the

asked by Anonymous :D
72. math/physics

A 75.0-kg paint cart with rubber bumpers is rolling 0.965 m/s to the right and strikes a second cart of mass 85.0 kg moving 1.30 m/s to the left. After the collision, the heavier cart is traveling 0.823 m/s to the right. What is the velocity of the lighter

73. Physics

A tennis player can serve the ball of mas 57g at an initial horizontal speed of 55ms^-1 the ball remains in contact with the racket for 0.055s. Calculate the average force exerted on the ball during the serve.

74. CHM 300

How do you find the Mass of Vitamin C in tablet? we did Redox Titration (Determination of ascorbic acid by Iodometric Back-Titration) I have fillied out the data table for Standardization of 0.07 M Na2S2)3 for the determination of unknown I cannot figure

75. economics 2

During the first 13 weeks of the television season, the Saturday evening 8:00 P.M. to 9:00 P.M. audience proportions were recorded as ABC 29%, CBS 28%, NBC 25%, and independents 18%. A sample of 300 homes two weeks after a Saturday night schedule revision

76. Algebra

Ursula wrote the sum 5.815 +6.021 as a sum of two mixed numbers. part A. What sum did she write? b. Compare the sum of the mixed numbers to the sum of the decimals? Please answer both questions thanks

asked by Ms. Liz
77. science

The total energy of motion in the molecules of a substance is called? ?is the average amount of energy of motion in the molecules of a substance. A ? Is a thin glass tube with a bulb on one end that contains a liquid usually mercury or a colored alcohol.

78. physics

The coefficient of static friction between the floor of a truck and a box resting on it is 0.370. The truck is travelling at 80.1 km/h. What is the least distance in which the driver can stop the truck and ensure that the box does not slide?

79. math

Janet bakes a cake in the shape of a cube with side length x (in inches). She makes a vertical cut parallel to one of the sides, resulting in a slice with width y where x is 5 times as large as y. a) Define a function h that determines the volume of the

80. math

write a real world problem that you can solve by writing an equation.the answer to the problem must be 6.

81. geometry

on a centimeter dot array draw all possible rectangles with a perimeter of 22 cm and sides whose lengths are whole centimeters label the lengths of 2 adjacent sides of each rectangle

82. Physics

Two small charges with a mass of 1.0 g each are connected by 2.0-cm-long insulating rod of negligible mass. Each ball has the same magnitude of charge of 10 nC, but with opposite sign. The rod is held in a 1.0 × 104 N/C uniform electric field at the angle

83. Math-trigonometry

Please help me with the steps !i don't understand this. The working arm of a tower crane is 192m high and has a length of 71.6 m. Suppose the hook reaches the ground and moves along the arm of the trolley, a) determine max distance from hook to operator

84. Algebra

Estimate the value of ✔️45 to the nearest integer A.-7 B.6 C.-6 D.7 An estimate for -✔️66 is A.-6 B.-7 C.-8 D.-9 An estimate for ✔️123 is A.10 B.11 C.12 D.13. (The check mark is square root)

85. science

The total energy of motion in the molecules is called POTENTIAL ENERGY. TEMPERATURE is the average amount of energy of motion in the molecules of a substance. A THERMOMETER is a thin glass tube with a bulb on one end that contains a liquid,usually mercury

86. Pre-calc/Trig...

which of the following are quadratic functions? check all that apply 1. y=2x^2-3x+7 2. y=3x-4 3. y=(5x-3x^2)/4+1 4. y=x-x^3

87. physics

A dolphin leaps out of the water at an angle of 24.9 ° above the horizontal. The horizontal component of the dolphin's velocity is 5.05 m/s. Find the magnitude of the vertical component of the velocity.

88. Physics

A rock is thrown downward from an unknown height above the ground with an initial speed of 28 m/s. It strikes the ground 4.4 s later. Determine the initial height of the rock above the ground. The acceleration of gravity is 9.8 m/s 2 . Answer in units of m

asked by Bill Nye
89. Finance

Your program has a proposed RDT&E-funded project scheduled to start in January 2015 which is expected to take 16 months to complete. The project is expected to cost a total of \$16 million (then-year dollars), with cost expected to be incurred at a rate of

90. Sociology (stats) help

Given the mean = \$12 Standard deviation = \$2.50 Suppose that a large state university graduate research assistants are paid by the hour. Data from the personnel office show the distribution of hourly wages paid to graduate students across the campus is

91. Math! Please check!

Fill in the blank. A pair of intersecting planes ________ intersect in exactly one point. A- always B- sometimes C- never D- not enough information My choice is C.

92. human relations part

a strong language often means?

asked by jame abram
93. Math

A heated piece of metal cools according to the function c(x)=(.5)^(x−9), where x is measured in hours. A device is added that aids in cooling according to the function h(x)=−x−2. What will be the temperature of the metal after five hours? -7 Degrees

94. math

Explain why 2.15 and -2.15 are opposites.

95. Chem

If 2.00 grams of potassium are allowed to react with 2.00 grams of bromine by the following equation, which reactant is the limiting reactant?

96. Science

Cottage roof timber from Ireland. Date: 906 ± 35 years. What is the BP Date?

97. chemistry

20.0 mL of a 2.2 M lead (II) nitrate solution is mixed with 100.0 mL of a 0.75 M magnesium sulfate solution. What is the concentration of nitrate ions in the resulting solution?

98. Chemistry

A gas mixture composed of helium and argon has a density of 0.846g/L at a 734mmHg and 298 K. What is the composition of the mixture by volume?

99. math

four monkeys, ann, bob, carl, don set off to gather bananas. after collecting their bananas, they felt tired and fell asleep. ann woke up first and ate 1/3 of the bananas. bob woke up next and ate 1/3 of the remaining bananas. then carl woke up and ate 1/3

100. Physics

A baseball is hit straight up in the air with an initial velocity of 26.7 m/s. How long in seconds does it stay in the air? (Hint: What is the overall distance of the ball?)

101. math

There are 18 boys and 60 girls working on a community service project. They work in groups where each group has the same number of boys and the same number of girls. Q1: What is the first step to finding the greatest number of groups possible? A. Multiply

102. Chemistry

A solution of ammonia and water contains 1.60×1025 water molecules and 8.50×1024 ammonia molecules. How many total hydrogen atoms are in this solution?

103. Math

1. Find the common ratio and 9th term of the sequence 6, -3, 3/2, -3/4, ..... 2. Find the 7th term of the sequence: 2, 6, 18, 54, ..... 3. Find the 11th term of the sequence 1, -1/2, 1/4, -1/8, .....

104. Science

What kinds of materials tend to be conductors? Insulators?

105. Chemisty

A 1.91-g sample of a mixture of AgNO3 and NaNO3 is treated with excess Na2S(aq). The precipitate is filtered off, dried and weighed. The dried precipitate weighs 0.44 g. What is the percentage by mass of NaNO3 in the original mixture? I know I have to

106. Math

A company manufactures fence sections for residential use. The number, s, of sections that can be produced per day is related to the number of hours, h, of labour required by the function s=2.1 square root h (Show your work) a) State the domain and range

107. Physics 203

Car 1 has 6 times the mass of car 2, but only 0.4 as much kinetic energy. What is the ratio between the speeds of the two cars (v1/v2)? You must type your answer as a numerical value.

108. finance

You have been living in the house you bought 10 years ago for \$300,000. At that time, you took out a loan for 80% of the house at a fixed rate 15-year loan at an annual stated rate of 9%. You have just paid off the 120th monthly payment. Interest rates

109. Physics

The lion first runs 200 yards at 20 deg. south of west, then 300 yards at 40 deg. west of north, and finally 400 yards at 10 deg east of north at which point it catches up to the deer. How far from the starting point, and in what direction is the point

110. chemistry

Calculate how much K3Fe(CN)6 [MW: 329.24] you would need to weigh out to make a 1x10-3 M solution dissolved in 0.2 M NaNO3 in a 100 ml volumetric so far i have worked out that 0.329 g will give me the 1x10-3 M, but im confused when it is dissolved into the

111. Algebra

Two angles are complementary. The larger angle measures 6 more than three times the smaller angle. Write an equation that can be used to find out the measures of both angles then simplify

112. physica

A small first-aid kit is dropped by a rock climber who is descending steadily at 1.3 m/s. After 4.0 s, what is the velocity of the first-aid kit? The acceleration of gravity is 9.81 m/s 2 . Answer in units of m/s 012 (part 2 of 2) 10.0 points How far is

asked by Bill Nye
113. math

Use a calculator to find the given value. Round to four decimal places. sin 21 A. 0.3584 B. 2.7904 C. 0.9336 D. 0.3839 I don't know how to do this...

114. Math! Please check!

The complement of an angle measures 37°. What is the measure of the angle? A- 143° B- 127° C- 63° D- 53° My choice is C.

115. math/physics

A 90.0-g disk traveling 3.00 m/s to the right collides with a 75.0-g disk traveling 8.00 m/s to the left. After the collision, the heavier disk is traveling 7.00 m/s to the left. What is the velocity of the lighter disk after the collision? Do I have this

116. Math Need Help. No Idea how to solve

A medical researcher is interested in the prenatal care received by pregnant women in inner cities. She interviews 35 randomly selected women with children on the streets of Baltimore and finds that the average number of gynecological checkups per

117. math

The probability that Shania is on time for school is 1/2. Find the probability that Shania arrives on time for school for the next 5 days. Express your answer as a percent, to the nearest tenth of a percent. A. 50% B. 15.6% C. 11.4% D. 3.1% I feel like its

118. Math: Finance

Need help solving these finance questions? PV = C/r PV= C/r-g P= D/r-g 1st: Tom is 30 years old today. His salary next year will be \$20,000. He forecasts salary growth of 5%/year and plans to retire at 60. 1) If the discount rate is 8%, what is the PV of

119. physics

Five identical resistors, each of resistance R, are connected in series to a battery, and a total current of 9.74 A flows in the circuit. i. Now, another resistor of resistance R is added to the circuit, in series with the rest of the resistors. Find the

120. algebra

What is the solution to the linear system of equations? x + 4y = 8 x y = 7 (4, 3) (4, 3) (7, 0) The system has no solution.

121. statistics

The physical plant at the main campus of a large state university receives daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 42 and a standard deviation of 10. Using the

122. English

Essays, articles, and speeches are all works of nonfiction. Which of the following is an accurate statement about the authors of nonfiction? A. They are always real people. B. Their style is always full of figurative language. C. They usually focus on

123. caculus

a woman 1.5 tall walks at a rate of 1.2m/s directly away from the street light that is 6m above the street. At what rate is her shadow changing?

124. physics

The lion first runs 200 yards at 20 deg. south of west, then 300 yards at 40 deg. west of north, and finally 400 yards at 10 deg east of north at which point it catches up to the deer. How far from the starting point, and in what direction is the point

125. algebra

What is a quartic polynomial function in standard form with zeros 1, –2, –2, and –3?

126. o-chem

eithyl 4-aminobenzoate reaction with 1.0M NaOH formula. the add HCl 1.0HCl formula 2 formulas and explain what happends plz and thank you :)

127. physics

A boat must head due north across a river channel that has a current of 9 km/hr towards the west. The boat is capable of traveling at 28 km/hr in still water. If the boat heads into the current to keep its true north course, what will be the resultant

128. Geometry

Can anybody help me with this word problem? A homeowner, who loves math, decides to make a garden/patio area in the following way. She decides to make the gardening area, where she will plant roses bushes in the shape of an equilateral triangle having a

129. Physics

The width of the space charge region at a p-n junction is reduced by applying a voltage bias over the p-n junction. What is the correct statement on both the bias voltage and the p-n junction? The voltage is a forward bias and the diffusion of the majority

130. algebra

Landon can climb a certain hill at a rate that is 3.5 mph slower than his rate coming down the hill. If it take him 4 hours to climb the hill and 135 minutes to come down the hill. what is his rate coming down.

131. science

A 3.70 L sample of neon at 11.24 atm is added to a 10.0 L cylinder that contains argon. If the pressure in the cylinder is 5.24 atm after the neon is added, what was the original pressure (in atm) of argon in the cylinder?

132. Physics

A ship is sailing west at 5km/h relative to land.To people on the ship, a balloon appears to move away horizontally at 10km/h versus east. A)what is the wind velocity relative to land? B)What is the distance travelled by the balloon in 30 min 1)For a

133. Math

There are 54 graders who play sports. Twenty-seven play baseball. The rest play soccer. Second grade has 37 soccer players. How many students play soccer?

134. Pyschological Statistics

In a distribution with a standard deviation of eight, an individual score of 42 corresponds to a Z score of -0.5. What is the mean of this distribution?

135. math plz help

In your last 23 basketball games, you attempted 101 free throws and made 66. Find the experimental probability that you make a free throw. Write the probability as a percent, to the nearest tenth of a percent. A. 65.3% B. 69.8% C. 69.7% D. 65.7% unsure

136. stats

Suppose that f(x) = 1:5x2 for -1 < x < 1 (0 elsewhere). Determine the following probabilities: (a) P(X > 0) (b) P(X > 0:5) (c) P(-0.5 < X x) = 0.05 (g) Find the cdf of X. could someone just get me started , I don't know where to start! thanks

137. Math

Find the slope of the line described by each equation 7x-6y=42

138. writing

how do i write a direct address poem? ugh i don't know to when start :(

139. statistics

in order to estimate the mean amount of time computer users spend on the internet ea mn, how many people do i interview to have 90% confident sample mean within 11 min of the pop mean? Assum sd= 203 min

140. statistics

Norma finds her mean number of minutes per call to be 27, with a standard deviation of 6 minutes. The minutes per call are approximately normally distributed around 27 with no outliers.

141. Math

A school has 30 rows of seats. Each row has 28 seats. How many seats are there?

142. Physics

A block of wood of mass 1.2kg initially at rest is free to slide on a horizontal surface. A bullet of mass 100g travelling at a speed of 780ms^-1 is fired horizontally at the block and becomes embedded in it. Calculate the speed the block and bullet move

143. Statistics

In a sophisticated medicine research center, two scales are used for repeated weighing of the same item. If the true weight of a compound is 2 grams [g], the first scale produces readings X that have a mean 2.0 g and standard deviation 0.03 g. The second

144. English 10R - HELP!!!!

What does 'will no one rid me of this troublesome priest' means?

145. government

How do the three branches work within the system of checks and balances?

146. Organic Chemistry

If your carboxylic acid is benzoic acid, how many moles of benzoic acid are present in your sample (0.30g, and it is a mixture of three components of equal mass)?

Write a Java program that prompts the user for a string. If the string entered by the user does not start with Hello and does not end with a digit, print incorrect and re-prompt the user. Otherwise, print Thank you.

148. ap calc

the graph of y= (ax+b)/(x-1)(x-4) has a horizontal tangent at the point (2,-1. Find a ANd B. Please help I have ne idea where to start

149. Math (Fractions)

What is 3 4/5 divided by 2/5?

150. biology

Explain the scientific method

151. Algebra

Algrbra evaluate each expression when n = 75 12n 36n 28n 56n 87n is that mutiplication?

152. science

what is the centeraltheme of the ' As Cheap as Coal" portion in Section 8 . 1 of your text. (Point: 1 ) The cost of renewable energy is too high for massive adoption with U. S. The cost of renewable energy is currently about the same or less than

asked by willie jackson
153. Social Studies

Why do you think the Spanish felt they had the right to force the indians to work for them?

154. Math

Please help. I'm sure I use tan but not able to figure this out. A rectangular prism has base dimensions of 24cm by 7 cm. a metal rod is run from the bottom corner diagonally to the top corner of the prism. If the rod forms an angle if 40 degrees with the

155. Physics

Starting from rest, a speedboat reaches a speed of 2.8 m/s in 2.7 s. What is the boat's speed after an additional 3.7 s has elapsed, assuming the boat's acceleration remains the same?

156. SCIENCE

how is newton's first law used in everyday situations

157. math

Find the midpoint of the segment with the given endpoints. M(–2, 1) and O(–3, 2) A. (–2.5, 1.5) B. (–0.5, –0.5) C. (0.5, –0.5) D. (–3, –5) any help ??

158. World History

What new techniques led to Henry Ford increasing production Why did factories use the division of labor on the assembly line

159. Biochemistry

All biological enzymes function best at particular pH values. In the normal human stomach, the pH of 2.0-3.0 provides the environment required for the proper functioning of the digestive enzymes found there. 1. How would adding a basic medicine effect the

160. math.

A band of cumulus clouds is located at 10^4 feet. A commercial jet is traveling at 38,000 feet. What is the difference between the altitude of the clouds and the altitude of the jet?

161. Soil Science, HELP!!

Given the following soil properties, find the % of water by weight at soil saturation with water: Moist sample weight: 202.16 Oven dry sample weight: 197.8 Bulk Volume:118.86 Particle Volume Density: 73.73 Soil bulk density: 1.66 soil particle density:

162. Algebra

Graph the equation by plotting points that satisfy the equation. 5x + y = −4 What would the 4 points be? I'm getting: -5,21 -4,16 0,-4 4,-24 The graph only goes up to 10.

163. statistics

On this semesters final exam, john scored 72 on his calculus exam, (class distribution (u=65, \?=3.57)\) ) and 53 on his statistics exam (class distribution :u=49, ?=2.04. Which exam should he get the better grade. z1=72-65/3.57=1.960 Z2=53-49/3.57=1.120

164. statistics

Please read and use the following information to answer questions 11, 12, and 13: Big packages of M&M Plain Candies have a mean weight of 16 ounces with a standard deviation of .15 ounces. A chocolate loving researcher decides to a random sample of 20 big

165. Chemistry

if all the macro-molecules are made mainly of the elements CHO, how are they different?

166. ap calc

find the equation of all horizontal tangents to the curve y^2 = (x^2+4)/x, if any exist this is what I have so far: xy^2= x^2+4 2xydy/dx = 2x-y^2 dy/dx = (2x-y^2)/2xy (2x-Y^2)/2xy = 0 2x- Y^2 = 0 I don't know what to do after this

167. i dont know?

What does the word nascent mean? In a sentence: Our hopes were nascent.

asked by Anonymous :D
168. math

The perimeter of a rectangle is 90 cm. Its width is half its length. Which equation could be solved to find the dimensions of the rectangle?

169. English

I can't find on the web how to quote an article from the New York Times that appeared on the web--the catch is it has a column name This is the info: Title: Is College Worth It? Clearly New Data Say Author: David Leonhardt Column Name: The Upshot

170. math

there are a lot gof cars in the parking lot. seven are black and the rest are blue . how many cars are there?

171. CALCULUS HELP NEEDED ASAP!

Having a lot of trouble with this one: Q) Tidal volume is the volume of air displaced in the lungs between inhalation and exhalation (the amount of air in a breath). The residual volume is given by the remaining in the lungs even after the deepest

172. Chem Help Please!

You are provided with 5 M solutions of sodium hydroxide and hydrochloric acid for use in this experiment (Separation). How you would have prepared these solutions. Thanks!

173. science

How is a single replacement reaction different from a double replacement reaction? I am having trouble telling which on is which.

174. World History

To whom were economies connected and why

175. ap calc

find the equations of ALL horizontal tangents to the curve y^2=(x^2+4)/x, if any exist This is what I have so far: xy^2= x^2+4 2xyDy/Dx =2x-y^2 dy/dx = (2x- y^2)/2xy (2x- y^2)/2xy = 0 2x-y^2 I don't know what to do next

176. physics

Five identical resistors, each of resistance R, are connected in series to a battery, and a total current of 9.74 A flows in the circuit. i. Now, another resistor of resistance R is added to the circuit, in series with the rest of the resistors. Find the

177. Homework (Math)

What can you multiply this expression by to get rid of the imaginary part of the denominator? (1-2i)/2i

178. Physics

Two masses, m1 = 25.0 kg and m2 = 45.0 kg, are attached by a massless rope over a massless pulley. The angle of the frictionless incline is α = 27.00. Assume that m2 starts at rest and falls a vertical distance of 3.00 m. Assume m1 also starts at rest and

179. HEALTH

The heart is a _____ that provides the force necessary to circulate the blood to all the tissues in the body. A. Skeletal pump B. Autonomous pump C. Muscular pump D. Systemic pump My answer would be C. i think that's right...

180. Chem Lab Help

You are provided with 5 M solutions of sodium hydroxide and hydrochloric acid for use in this experiment (Separation). How you would have prepared these solutions. Thanks!

181. physics

What would be the resultant vector with an angle of 30° with the +x axis and has a y component of 8.9 Newtons?

182. Chem Help Please!

A material has an optical purity of 50%. How much of each of the enantiomers is present. The R enantiomer of a material has rotation of +35. what is the rotation of the S enantiomers.

183. physics

Forces of 4.57 N and 4.74 N act at right angles on a reddish-green block of mass 5.76 kg. How much acceleration occurs?

184. Algebra

What quantities could the following expressions represent in terms of the problem context? 1. x+y 2. xR+yG 3. (xB+yK)/(x+y)

185. Physics

A 10 kg box is held 2 meters up a ramp that is inclined at 35 degrees. It is released frpm rest, slides down the ramp and across the floor. the coefficient of friction is 0.15. How far along the floor will the box slide?

186. Physics

A swordfish swims at 2.46km/h.How far has the fish traveled after 2050s?

187. Literature

Which of these statements includes details about setting? A. A new student in school wants desperately to make friends. B. You can get satisfaction from trying, even if you do not succeed. C. The Great Depression had put half of the town out of work. D.

188. General Psychology

Which of the following is a stimulant? Alcohol LSD Heroin Mescaline Nicotine

189. Science

Food and beverages examples for phosphoric acid?

190. Math: ALGEBRA

How to solve this??? Solve for x. a+b= a+xy Solve for w. 2w+2h+L=p Solve for r. r(s+t)=u

191. English

What is the symbol of Evil?

192. pre calc

(-9x^3-6x^2-x+3)/(2x^2+5x+2) I have figured out the equation for the slant asymptote = (33/4)-(9x/2) but this next ? is throwing me off. I have tried graphing and everything and it doesnt seem to work. What is the smallest value of x at which f(x)

I would like someone to revise this for me. Thanks! *** **** 10/5/14 Ever since I can remember I have lived in Philadelphia. I have many nice memories from Philadelphia, and I am fortunate enough to have a relatively normal life without having to

asked by Joe :)
194. math

find the value of one hundred and fifty multplied by itself

195. Math & Statistics

Problem 6 [Total 5 marks] The drug Ziac is used to treat hypertension. In a large clinical trial it was found that 32% of those in the placebo group experienced dizziness. (a) [1 mark] Assuming that the same 32% proportion applies to subjects taking the

196. algebra

The average cost of moving a distance of 1225 miles is 1035\$ if you handle your own. This is about 52% of the cost of hiring a professional moving firm. what is the cost of the professional moving firm?

197. math

if a house is worth 85,000 what is is value in a year at 5%

198. Math! Please check!

If the coordinates of points A and L are –4 and 8, respectively, then the midpoint between them has a coordinate of..... A- 0 B- 2 C- 4 D- 6 My choice is B.

199. Grammar @ anyone who can tell me...

What's the difference between an indirect object, and a direct object??

asked by Anonymous :D
200. English

What symbolizes Power hungry leaders?

201. statistics

Correction On this semesters final exam, john scored 72 on his calculus exam, (class distribution (u=65, \?=3.57)\) ) and 53 on his statistics exam (class distribution :u=49, ?=2.04. Which exam should he get the better grade. z1=72-65/3.57=1.960

202. Math

How to tell which is the rise and which is the run on a slope

203. Sociology (Statistics) Confidence Level

Help me solve this please. One of the few on my list that I had no idea how to solve. A medical researcher is interested in the prenatal care received by pregnant women in inner cities. She interviews 35 randomly selected women with children on the streets

204. Math

Find the slope 5x+2y=20 I don't get what the formula is

205. English Composition

Your boss has asked you to investigate the types and uses of social media that might be appropriate in the workplace. In addition, you are also asked to compare and contrast the services and provide a recommendation that would be suitable to your

206. chemistry

Experimental Molar Ratio of Copper in CuxOy

207. math

What do you do to find a rate?

208. Physics

Assume that the batter did not continue to swing the bat after the collision (no energy was added to the system). How fast was the bat moving after the collision? The ball mass .145kg, the bats mass is 1.1kg. And the balls velocity is 44.7m/s and the bats

209. physics

Calculate the distance Michael will travel if he maintain an average speed of 9.4 m/s for 2.2 seconds.

210. physics

This question is also frustrating me. I just don't a single clue how to do it. A pilot must fly his plane north with a speed of 550 km/hr. A wind of 138 km/hr is blowing at an angle of 31 degrees N of E . What speed does the plane need to keep the desired

211. English

a persuasive article starting with an event like "On October 18, 1990, a young man waked into St. Paul's Cathedral in London England....." Is this an effective method to interest the reader. Also, is starting a persuasive article or essay with a historical

212. Chemistry

Assign the two absorptions found above 3000 cm-1 in acetamide. Why are these absorptions missing in n,n-dimethylacetamide

213. HISTORY

True or False In 1778 Parliament adopted a legislation which granted all American demands prior to independence. Not sure if it is true or false because I don't understand the question completely. I know that Parliament did grant all American demands

214. HISTORY

Check my answers? According to the Articles of Confederation, the Anglican (Episcopal) Church would be the official church of the USA. False The Articles of Confederation left no powers to the states. False George Washington was nearly captured as his

215. Math

how many pieces of wood measuring 12-inch by 13-inch can be cut from 48-inch by 72-inch piece of wood

216. Math @Reiny

Did I do #2 right? 2.) (1-2i)/2i (1-2i)/2i = (1-2)/i x i/i = (1i-2i)/i^2 = (1i+2) =2+1i

217. Biochemistry

Which solutions, animal or plant, were more suitable to resisting pH change? Why do you think this is the case? Explain.

218. physics

may be this is simple and obvious question but i am really not getting this.in my physics practicals i was doing potentiometer experiment ,in this i did not understand how jockey completes the circuit.i mean we did not do any connections we were just

219. English

What symbolizes Savagery and Violence?

220. Math Stats

Help me solve this please. One of the few on my hw list that I had no idea how to solve A medical researcher is interested in the prenatal care received by pregnant women in inner cities. She interviews 35 randomly selected women with children on the

Given a mean of 25 and a standard deviation of 2.3, what is the z-score of a data value of 29? I don't understand the formula they gave me for the z-score, so I dunno where to start. /:

222. Social studies

Write a one page story a about an explorer (can be you) Include: where you would explore ( Fiji land) Transportation to get there, food, clothing tools,weapons. All Fromm 1400s or 1500s Does not need current times

223. chemistry

A solution of silver perchlorate (AgClO4) is made by dissolving 40.4 g of pure silver perchlorate and diluting it to exactly 140 ml. What is the solutions molarity? Can you just go through the steps of what I need to do? I'm so confused. Thanks

224. math

You have 72 books and 90 DVD's to pack. Your client insists that the books and DVD's have to have the same number of items in them. a)What are the possible numbers of items in each box? b)If you could make the most profit by packing the fewest number of

225. Physics(astronomy)

Radio waves and x-rays are similar in what: a) comparable wavelengths b) cannot compare c)have same photon energies On the test, it said those and I picked a. Is that correct? I am nervous T_T

asked by John DOe
226. ?

list at least 10 things that have energy and label what type of energy it is. EX:car diving by =kinetic energy;car parked=potential energy

227. Social studies

Well the things I want to know about the story is the transformation to get there in 1400s or 1500s, food in those days, clothing, tools, weapons that I would be needing in those days

228. Math

A school hall has 30 rows of seats. Each row has 28 seats.How many seats are there. please show work out.

229. English

What represents power hungry leaders?

230. Biochemistry

You are told that the solutions in two beakers are both 0.02 M solutions of acids "A" is weak acid and acid "B" is a strong acid. Which of the two acids would have the lower pH, acid "A" or acid "B"? Explain your answer.

231. Calculus I

cos(2x)−cos(x) = -((sin^2)x + 1/4) Need help solving.

232. Chemistry

Moles of Copper in the original .825g of Copper Oxide

233. SS

How many amendments are in the Canadian constitution?

234. Separation of Racemate

You have the racemate of a material. This material has an acid group as part of its structure. You also have a chiral base available. Design an experiment to separate the racemate into pure enantiomers. I have no ideas about this experiment and I need some

235. Math

Whats the midpoint for 2500-7000? Whats the steps?

236. Health

Could have some help please.

237. Statistics

You own shares of Fidelity Magellan Fund (FMF), which concentrates on stocks of large American companies. Its monthly return is μFMF = 1.4% and sFMF = 4.70%. You decided to diversify your portfolio by adding shares of the Fidelity Japan Fund (FJF), which

238. Math: ALGEBRA

How to solve this??? -1-8(x+12)> -44-8x -4(-12v-9)+6(-6+5v)> -4v+12v

239. English 10R - HELP!!!

What five other people that was buried Westminster Abbey, City of Westminster, United Kingdom.

240. Chemical Engg

Hello, where can i find the process flow diagram of a dyehouse? I searched on google, but in vain I really need a picture showing all the steps in the dyehouse plz!!

241. Algebra 2

Hello can you please help me to generate a number line to use in Algebra. Can you attach one for me and where can I find one on line that is printable. Thank You.

242. world civ.

What is the waste product left after the pure metal is melted and separated from its ore? slag coke limestone

243. spelling

Sor the two syllable word "Divide and Describe open/closed obey

244. math help

Given f(x) = x 10. What is f(7) i think its -10

245. math

Yolo has two pieces of string. One is 32 inches long, and the other is 48 inches long. She wants to make as many necklaces as she can, all of the same length. What is the longest a necklace can be?

246. Treaties

Hello, Can you name two or three successful treaties? Thank You

247. Volunteer

I need to get my volunteer hours done but I need to find jobs. Where can I go to do this?

Can you please show me how? What is the value of x? x+4= -9

asked by Anonymous :D
249. Biochemistry

Which solutions, animal or plant, were more suitable to resisting pH change? Why do you think this is the case? Explain.

250. Math, ASAP Please

What is an Imaginary Number?

251. Literature

The chaperone allowed it, so Sarita and Pepe _____ to dance. A. begun B. began C. beginned D. will have begun A or B which A sounds better?

252. math

use the digits 3,5,9,4 only once to make 2addends whose sum is between 100 and 110

253. Math

What can you multiply an expression by to eliminate the imaginary part of the denominator? 1.) (2+4i)/3i= 2.) (1-2i)/2i=

254. math

f(x)=-16t^2-22t+220 Solve using quadratic formula

255. Social studies

Ms.Sue but how do I make all of this information into a big huge story. Could you give me the starting point. And could you tell me a place which actually matches the info. You gives me pleas.

3+(-4)

2x + 1 =7

258. science

what is paper chromatography