# Questions Asked onNovember 20, 2014

1. ## english

All of the following items are expressed in the subjunctive except _____. a wish a condition contrary to fact a that clause expressing necessity a statement of fact

2. ## english 3

Question 1 (Multiple Choice Worth 5 points) Which element relies on logic, credibility, and emotion? rhetorical devices theme statements purpose statements thesis statements Question 2 (Multiple Choice Worth 5 points) "AT this second appearing to take the

3. ## Science

50 ml of ethyl alcohol amd 40ml of water combined in a beaker add up to 90ml of liquid why is this? (Particle theory)

4. ## Spanish

Hola Sra. Are these correct? La tercera persona plural de pretérito. Cambie las formas entre comillas al pretérito según el ejemplo. Ejemplo: No “han podido” sacar dinero de la máquina. No pudieron sacar dinero de la máquina. Esos dos turistas 1.

5. ## Calculus

Of the infinitely many lines that are tangent to the curve y = −7 sin x and pass through the origin, there is one that has the largest slope. Use Newton's method to find the slope of that line correct to six decimal places.

6. ## Math

A particle is moving with the given data. Find the position of the particle. v(t) = 1.5sqrt(t), s(9) = 33

24. ## probation and parole

Classification in correctional institutions is used primarily to: A. determine if the inmate needs psychiatric attention. B. determine if the inmate is a security risk. C. determine the rehabilitative needs of an inmate. D. provide for vocational

25. ## math

Dan was walking from one end of the mall to the other end. He took the following measurements of five storefronts: 23 feet 11 inches,18 feet 3 inches,28 feet 8 inches, and 32 feet 4 inches. If dan added all the measurements, what would be the total

26. ## Math Help

Write the ratio as a fraction in simplest form. 6 out of 9 A. 1/3 B. 3/2 C. 2/3 D. 3 Is the answer B? Thank you

27. ## M

Small muscle usually occurs before large muscle development think false

28. ## Math

We're doing sequence things in class how do I find the general term of this set (4,8,6,16,8,32,10,64). The answer must be in an equation. The next in the sequence would be 12, 128. I thought the answer was f(x) = 2x but that doesn't account for 6,8,10

29. ## Math

I need help on how to explain to my 5th grader how to come up with an algebra equation from a word problem. Any suggestions? Example: Gerry had a total of 30 pens and pencils. He decided to trade with his friends all his pens for pencils. If he traded

30. ## Social Studies

What important resource do Qantas move? A)Solar Power B)Oil C)water D) Natural Gas

31. ## Math

A room measures 450cm by 350cm. Find the side if the largest square tile that can be used to tile without cutting

32. ## physics

A box has mass 13 kg and is at rest on a flat floor. A minimum force of 47 N is needed to push the box so it moves across the floor. What is the coefficient of static friction between the box and floor?

33. ## art

artwork that communicates a message effectively a. uses imagery that the viewer's understand b. hides messages in the piece. c. uses colors only to relate to the viewer d. cannot describe the meaning in the title

34. ## math ?

Express f(x) in the form f(x)=(x-k)q(x)+r for the given value of k. f(x)=x^3 +6x^2 +10x+4,k=-2 Is f(x)= 0 ?

35. ## English

7. Which sentence contains italicized words that are used as an infinitive phrase? A. Tom went there for some flour. B. Kelly went to the grocery store. C. Mark wanted to go, but not today. D. Jane parked her car behind a truck. These words are

36. ## economatrics

calculate standard error when sample size is 25, sample mean is 20, sample variance is 8, population mean is 22, population variance is 64

37. ## Int.Science

How much energy is needed to heat and melt 3.0 kg of copper initially at 83°C? Be mindful of significant figure rules for both multiplication and addition. 450 kcal 430 kcal 280 kcal 130 kcal

38. ## Finite Math

A box contains two defective Christmas tree lights that have been inadvertently mixed with eight nondefective lights. If the lights are selected one at a time without replacement and tested until both defective lights are found, what is the probability

39. ## Math

Jose runs at average of. 6 miles per hour.he runs everyday for 30 minutes.how many miles does Jose run a week

40. ## O-Chem

What stereoisomers would be created by the reaction of (Z)- stilbene with bromine?

1 hour= 3,600 seconds and 1 mile=5,280 feet. Make a conjecture about how you would convert a speed of 15 miles per hour to feet per second. Then convert. Please help answer thx

42. ## chemistry

hydrogen gas reacts with oxygen gas to produce water if a student fills a 250-mL flask with hydrogen at STP, what volume of oxygen is necessary for the reaction?

43. ## Biology

Which alga is most closely related to plants? A) Chara B) Kelp C) Ulva D) Diatom E) Euglena I think it's chara, because it is green algae, but I'm not sure. Can you explain to me why it is or not?

44. ## geometry

the ratio of the length of the corresponding side of two regular polygons is 3:4. the are of the larger polygon is 320m^2. what is the are of the smaller polygon?

45. ## Chemistry

Use bond energy values to estimate delta H fro the following reaction in the gas phase: C2H4 + Br2 -> CH2BrCH2Br I am in dire need of help! Thank you

46. ## Pre Calculus

The logistic growth function P(t)= 160/ 1 + 9e^-0.165t describes the population of the endangered species of elk "t" years after they were introduced into the habitat. a. How many elk were initially introduced into the habitat? b. How many elk are expected

47. ## Algebra Help

Solve equation ln x = -4x

48. ## Foundation of a Healthy Lifestyle

The interaction between a child's biological makeup and the environmental influences that affect his or her development and behavior is called the A. ecological systems theory. B. body in the classroom analysis. C. balanced systems approach. D. me/them

49. ## Math Help

Use a proportion to find the length of side x for the pair of smilar figures below. They're both right triangles. Triangle 1 has 14cm on the the right side and 10cm on the bottom. Triangle 2 has x on the right side and 22cm on the bottom. My answer

50. ## Algebra

Kimberly borrows 1000 dollars from Lucy,who charged interest of 5% per month ( which compounds monthly). What is the least integer number of months after which Kimberly will owe more than twice as much as she borrowed.

51. ## Math Help

Find the coordinates of quadrilateral V' W' X' Y' after a dilation with the scale factor of 2. Original coordinates: V(6,2), W(-2,4), X(-3,-2), Y(3,-5), scale factor of 2. My answer V'(8,4), W'(-4,6), X'(-5,-4), Y'(6,-6) Am I right? Thank you

52. ## Physics

A skier of mass 67.0 kg is pulled up a slope by a motor-driven cable. How much work is required to pull the skier 59 m up a 32° slope (assumed to be frictionless) at a constant speed of 2.0 m/s?

53. ## Psychology Statistics

Many animals, including humans, tend to avoid direct eye contact and even patterns that look like eyes. Some insects, including moths, have evolved eye-spot patterns on their wings to help ward off predators. Scaife (1976) reports a study examining how

54. ## science

Two train cars are connected to a locomotive as shown. Wach train has a force of kinetic friction equal to 50,000N. The locomotive pulls the two freight cars at a constant speed of 4.0m/s. Find the force of tension at each of the coupling points A & B.

55. ## math

Change each of the following to simplest form 1 8 /10.is the answer 9/5

56. ## Foundation of a Healthy Lifestyle

The interaction between a child's biological makeup and the environmental influences that affect his or her development and behavior is called the A. ecological systems theory. B. body in the classroom analysis. C. balanced systems approach. D. me/them

57. ## Foundation of a Healthy Lifestyle

which of the following are the three major types of knowledge identified by Piaget? A. Linguistic, physiological, and arithmetical B. Physical, logicalmathematical, and social C. Micro, meso, and exo D. Subjective, objective, and hyperconscious B.

58. ## engineering

What do you do to peel a hard boiled egg so the shell will not not not stick to the white. so you can eat the egg and not get egg shell in your mouth?

59. ## Math

explain how to find 40 x 50 using mental math

60. ## Government

I need some help with some Government questions: 1. All of the following are ways that formulating our budget has changed EXCEPT: A. Budget and Accounting Act of 1921 B. transfer of Office of Management and Budget to the Executive Office of the President

61. ## Pre-Calculus

Suppose person A collaborated with person B, who has collaborated with person C, who has collaborated with Paul Erdös. Suppose also that person B never collaborated with Paul Erdös and person A never collaborated with anyone with an Erdös number of 1 or

62. ## Parents, Finances, and School-Age Children

More communities are addressing the need for out-of-school care because of A. inadequate supervision of teens and teen pregnancy. B. teen pregnancy and inadequate care of their infants. C. unsupervised children and juvenile crime. D. working mothers and

63. ## south mountain community college

A poster is to have an area of 210in^2 with 1 inch margins at the bottom and sides and a 2 inch margin at the top. Find the exact dimensions that will give the largest printed area.

64. ## Math Help

A recipe calls for 3 cups of flour to make 3 dozen cookies. Use the proportion to calculate how much flour is needed to make 9 dozen cookies. 3 cups/3 dozen= x cups/9 dozen A. 6 cups B. 3.5 cups C. 9 cups D. 12 cups Is the answer C? Thank you

65. ## physics

The coefficient of kinetic friction between tires and dry pavement is about 0.80. Assume that while travelling at 27m/s you lock your brakes and as a result the only horizontal force on the car is the frictional one. How many seconds does it take you to

66. ## Chemistry

Calculate the time in which the activity of an element is reduced to 90% of its original value. The half-life period of the element is 1.4*10^10 years . Answer :- 2.13*10^9 years

67. ## Pre Algebra

Chad jogs 4 2\5 miles in 1\2 hour. What is his average speed in miles per hour?

68. ## chemistry

If we dissolve 170g sodium acetate in 100g water at 100 degree centigrade , the solution will be saturated or supersaturated

69. ## math

Joan is 'y' years old. Her father is 4 times as old as she is and 28 years older than her brother. A-Find in terms of y, the age of Joan's brother. B- If 'y' =12, how old is her brother?

70. ## English

1. His failure is mainly due to his carelessness. 2. His failure is mainly because of his carelessness. 3. His failure is mainly owing to his carelessness. --------------------- Are they all the same and grammatical?

71. ## Maths lit , CAT and history

Im doing maths literacy , CAT and history , i want to know what jobs are linked to such subjects

72. ## math

log4(x-3)=2 4^2=x-3 16=x-3 19=x Does this mean the solution would be x=19 or no solution? How would I check this to know if 19 is a solution. I know I plug it back in. Like so: log4(19-3)=2 4^2=19-3 16=16 Did i check correctly?

73. ## PROBATION and PAROLE

1) Sigmund Freud: A. is considered the father of behaviorism. B. stressed the importance of the unconscious. C. considered crime as essentially an environmental failure. D. developed reality therapy as a mode of rehabilitation. 2) According to

74. ## Physics

object of mass 2 kg is attached to string and rotate in vertical circle of radius 1 m. at highest point it has velocity of 4 m/s. what is tension in string at that point. at lowest point it is .5 m above ground. if string breaks at highest point how far

75. ## physics

a certain tower is 40 m tall. a man drops a lanzones from the top of onto the head of his enemy. if the enemy is walking at a speed of 1.2 m/s, ho many meters should the enemy be from the position below the lanzones when it is dropped ?

76. ## Physics

new package moving system in the new improved post office consists of a large circular disc which rotates once every 5 seconds at a constant speed in a horizontal plane. packages are put on outer edge of turntable on one side of room and removed on

77. ## Math

The Little Can Company makes cylindrical cans with a height of 3 inches and radius of 1 inch. The entire lateral face is covered by a label. The paper for the labels is purchased in rolls 3 inch high. When unrolled the paper is 10 yards long. How many

The sides of a square are increased by a scale factor of 7. The perimeter of thr smaller square is 16 ft. What is the perimrter of the larger square? A. 4 ft B. 28 ft C. 56 ft D. 112 ft Is the answer A? Thank you

Please check my answers and let me know if I did something wrong. Thank you! Find the partial derivative of x, and the partial derivative of y, then the partial derivative of x (1,-1), and the partal derivative of y (1,-1). f(x,y) = x^4 y^2 -x here is what

80. ## probation and parole theory and practice

1) Sigmund Freud: A. is considered the father of behaviorism. B. stressed the importance of the unconscious. C. considered crime as essentially an environmental failure. D. developed reality therapy as a mode of rehabilitation. I think it's A but then

81. ## Math Help

A map of Asia has a scale of 1.5 inches=300 miles. The distance between Thailand and China is a about 5.25 inches. How far is it from Thailand to China in miles? Round to the nearest mile. A. 1,050 miles B. 1,575 miles C, 2.010 miles D. 2,362 miles Is the

82. ## Foundation of a Healthy Lifestyle

A child practices tossing a ball into a hoop from the same distance each day. What type of knowledge is he using? A. Regressive B. Hypothetical C. Assimilative D. Adaptive A.

The manager turns on the restaurant's two neon signs at the same time. Both signs blink as they are turned on. One sign blinks every 9 seconds. In how many seconds will they blink together again? Explain how you got your answer. Need help please, thank

84. ## Parents, Finances, and School-Age Children

You're trying to plan an activity for your third graders, who will be arriving around 2:30 in the afternoon. Today you want to do something associated with mathematics. Which one of the following activities would be appropriate? A. Keeping track of the

85. ## Foundation of a Healthy Lifestyle

Fats should not account for more than _______ percent of total daily calories A. 30 B. 50 C. 10 D. 75 A.

86. ## Math

You are the coding Supervisor of a medium sized community hospital. You are staffed with 2 inpatient coders. Your current productivity level for your coders is 3 charts per hour. Your hospital discharges has increased to an average of 75 charts per day.

87. ## chemistry

The maximum allowable level of nitrate in drinking water set by the state of california is 45mg NO3/l.what is this level expressed in PPm

88. ## algebra. help!

Find the slope of a line that passes through (-2,-3) and (1,1). a. 1/3 b. 1 c. 2 d. 4/3 For the equation -4y=8x, what is the constant of variation? a. -4 b. -2 c. 1 d. 2 Suppose y varies directly with x, and y=24 when x=8. What is the value of y when x=10

89. ## Math Help

The sides of a square are increased by a scale factor of 7. The perimeter of the smaller square is 16 ft. What is the perimeter of the larger square? A.4ft. B.28ft. C.56ft. D.112ft. Is the answer B?

90. ## physics

A 75 kg pilot flies a plane in a vertical loop. At the top of the loop, when the plane is completely upside-down for an instant, the pilot hangs freely in the seat and does not push against the seat belt or seat. The airspeed indicator reads 120 m/s. What

91. ## physics

A carnival clown, 80 kg, rides a motorcycle down a ramp and then up and around a large, vertical loop. If the loop has a radius of 18 m, what is the force that the track exerts on the rider at the TOP of the loop if the clown is traveling at an impressive

92. ## ap physics

A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both boats reach the edge of a 4.5m waterfall. The spy's speed is 16m/s and the official's speed is

93. ## social studies

what is institutional corruption?

94. ## Math Help

Solve the proportion. Where necessary, round to the nearest hundreth. 9/10=x10 A.9 B. 90 C. 10 D. 1000 Is the answer A? Thank you

106. ## math

bob worked 32 hours per week at his job. his boss offers him a full-time position (40 hours per wee) and a $2 per hour raise. He now will be making$200 more per week. what was his hourly rate before the raise?

107. ## Pre Calculus

If a 25 mg sample of radioactive material decays to 18.4 mg in 5 years, how long will it take the sample to decay to 20.5 mg?

108. ## geography

How has Mexico's culture been shaped by conflict among different people?

109. ## Maths

Angelo shot 4 darts at a target. Three landed in area A and one landed in area B giving him a total score of 16. Dan shot 4 darts too. One landed in A and three landed in B giving a total of 24. What score would be made hitting B three times?

110. ## Foundation of a Healthy Lifestyle

A child practices tossing a ball into a hoop from the same distance each day. What type of knowledge is he using? A. Regressive B. Hypothetical C. Assimilative D. Adaptive A.

111. ## physics

A student fires a rocket at 24 degrees above the horizontal. The 10kg rocket comes out of the gun barrel at 1000 m/s, and accelerates 15 m/s^2 uniformly until it burns out 2 seconds later. It then is acted apon by gravity until it hits the ground. I need

112. ## World History

How did Jean Baptiste Colbert help France Become an economic power?

113. ## Physics

A distant planet has a mass of 0.6400 ME and a radius of 0.9000 RE. What is the ratio of the escape speed from this planet to the escape speed from the earth?

115. ## Foundation of a Healthy Lifestyle

Fats should not account for more than _______ percent of total daily calories A. 30 B. 50 C. 10 D. 75 A.

116. ## Foundation of a Healthy Lifestyle

When a child not only throws a ball farther than she had previously, but also changes the way the throws the ball, the change is called A. qualitative. B. cumulative. C. multifactoral. D. quantitative. D.

117. ## Biology

Is a Lilac Flower: a) Vascular or non-vascular b) Gymnosperm or angiosperm c) Monocot or a dicot My Work i know c) is dicot but i am not sure of the other two

118. ## Science

Someone please help me. :( Compare your models of the four haploid cells with those of other groups. Describe and explain any variation that you observe.

119. ## physics

Tarzan swings on a 23.2 m long vine initially inclined at an angle of 22° from the vertical. (a) What is his speed at the bottom of the swing if he starts from rest? m/s (b) What is his speed at the bottom of the swing if he starts with an initial speed

120. ## college chem

Calculate the molar enthalpy of reaction standard enthalpy of formation below. H20 = -285.8 kj/mole H+ = 0.0 kj/mole OH- = -229.9 kj/mol H+(aq) + OH-(aq)→H2O(l) For this, don't you do the summation of products x stoichemtry + the sum of reactants x

121. ## Foundation of a Healthy Lifestyle

The main goal of effective health education programs for young children is to A. teach children that authority figures are their best guides to a healthy lifestyle. B. provide children with good environmental models of healthy lifestyles. C. provide

122. ## Social Studies

What did Clinton mean by "a dear bought victory, another such would have ruined us"

123. ## Math Help

The triangles are similar. Find the value of x. The triangles are right triangles. Triangle 1 has 18 on the left side and 24 on the left side. Triangle 2 has x on the left side and 6 on the right side. The triangles are facing each other. A. 6 B. 8 C. 30

124. ## physics

A 278 g particle is released from rest at point A inside an smooth hemispherical bowl of radius 36.5 cm, as shown below. (a) Calculate the gravitational potential energy at A relative to B. J (b) Calculate the particle's kinetic energy at B. J (c)

125. ## English

17. How is a compound sentence formed? A. By joining a simple sentence with a dependent clause B. By joining two simple sentences with a comma and a coordinate conjunction C. By joining two independent clauses and one dependent clause D. By joining a

126. ## Foundation of a Healthy Lifestyle

A main source of fat and saturated fatty acids in children's diets is A. French fries. B. candy. C. whole milk. D. meat. A.

127. ## Math Help

Solve the proportion. Where necessary, round to the nearest hundreth. x/3=10/11 A. 9 B. 30 C. 2.73 D. 0.30 Is the answer C? Thank you

128. ## English

Select all that apply. Some of the characteristics of a good business letter are _____. accuracy brevity clarity colloquial style A and C?

129. ## parents, Finances, and School-Age Children

Which of the following would constitute adult supervision with full accountability? A. Sending a child to lessons or other youth groups to be looked after B. In-home care or out-of-home care in a center with a child-and-youth leader C. Self-care for the

130. ## Math

If 2 counters is a 1/4 then what makes a whole?

131. ## english

approximately what is the value of a Japan Yen compared to a dollar? Use estimation, and I need to show math work. I have no idea

132. ## Foundation of a Healthy Lifestyle

Encouraging children to eat certain foods their families enjoy around holidays is an example of A. showing respect for ethnic and cultural differences. B. creating barriers between children of different ethnic and religious backgrounds. C. fostering

133. ## physics

if a bird travels 150 cm for 10 sec then 100 cm for 10 sec and then 200 cm for 5 sec. What was the birds average speed?

134. ## History WWI

What was the day of surrender know as for WWI? I know a lot about WWII but not a lot about WWI. The real question was "When was the surrender of WWI? What do you know the day as?" I know the surrender was on november 11, 1918.

135. ## Math Help

Write the ratio as a fraction in simplest form. 22:36 A. 1/3 B. 11/18 C. 18/11 D. 22/36 Is the answer B? Thank you

136. ## History

which of the following was instrumental in the creek resistance to the white settlers taking their land A. George Washington B. Alexander McGillivray *** C. Confederation Government D. Georgia Legislature Which of the following groups of Indians refused to

137. ## Math

What was the total grocery bill? Mrs. Sanders did a lot of shopping at several stores in preparation for Thanksgiving next week. These are the items that she bought at Kroger: One 19.5 turkey @ $0.89 per pound 5 pounds of sweet potatoes @$0.59 per pound 2

138. ## Math Help

Write the ratio as a fraction in simplest form. 16 to 10 A. 1/6 B. 16/10 C. 5/8 D. 8/5 Is the answer D? Thank you

139. ## english

Select all that apply. Which of the following can function as adjectives? infinitive phrase gerund phrase participial phrase

204. ## accounting

Starbucks-. Locate the company’s annual report as outlined previously. Find the company’s segment information; it should be in the “Notes to Consolidated Financial Statements” or other similarly named section. Look for the word “Segment” in a

205. ## Biology*STUCK*

A group of students was asked to list some of the similarities and differences between prokaryotic cells and eukaryotic cells. They created the table shown above. The students made a mistake in creating their table. Which statement best describes their

206. ## Parents, Finances, and School-Age Children

An income statement gives information on the total _______ of a particular period. A. capital B. liabilities C. expenses D. assets C.

207. ## pyscics

a race car starts from rest on a circular track the car in races as its speed at a constant rate of as it goes 2.75 times around the track.find the angle that the total acceleration of the car makes with the radius connecting the centre of the track & the

208. ## English

Where's the prepositional phrase in this sentence From June until the end of August, Carl lives in Alabama

209. ## Math

A sheet of plywood is 4 feet wide by eight feet long. What is the minimum number of sheets of plywood needed to cover the frame? Justify your answer. I have 8ft times 24ft= 192ft^2. Then 192ft^2 divided by two which is 96ft^2. What do I do next?

210. ## math

a group of fans at a football game are sitting in 7 rows with 28 in each row.in the center, a section of 14 fans in 3 rows and a section of 11 fans in 3 rows have cards spelling out the team name.how many fansdo not have a card?

211. ## math

use truth table to verify: 1.Distributive law P conjunction ( q disjunction r )= ( p conjunction q ) disjunction ( p conjunction r) 2.Associative law ( p disjunction q) disjunction r = p disjunction ( p disjunction r ) ( p conjunction q) conjunction r= p

212. ## math thanks for your help

-2;p(x)=3x^3+5x-6 is -2 a zero of the polynomial(x) ?

213. ## Math

Three equivalent ratios for 4/7

214. ## MTH001

use truth table to verify: 1.Distributive law P conjunction ( q disjunction r )= ( p conjunction q ) disjunction ( p conjunction r) 2.Associative law ( p disjunction q) disjunction r = p disjunction ( p disjunction r ) ( p conjunction q) conjunction r= p

233. ## math

i need to solve 3/6= k/18

234. ## Math

You have the price of 2 different cars one 17,000 the other 23,000 one gets 22mpg and the other 50 mpg at 3.00 a gallon how long will it take until you have spent more on the one that gets 22 mpg than the one that gets 50 mpg?

235. ## Foundation of a Healthy Lifestyle

_______ have more than twice as many of calories as do proteins or carbohydrates. A. Alkaloids B. Salty foods C. Solubles D. Fats D.

236. ## math

a variable y varies directly as the square root of a varies x,and equals 6 when x=4 find y when x=25

237. ## math

i cant solve this 6/34= p/68

238. ## physics

a cylindrical wire of lenght 2.80m and a radius of 1.35A, when the voltage of 0.0320v is applied across the ends of the wire. from what material is the wire made of?

239. ## Math

5/6 + 1/3 + 7/12

240. ## biology

the manufacturer of carbohydrates, fats, and proteins. whats the word to this definition?

241. ## physics

note ... find acceleration by using distance and time (ignore ”incline” ... just treat it like linear motion of object starting from rest). A 1.8 kg mass starts from rest and slides down an inclined plane 8.8×10−1 m long in 0.54 s. What net force is

242. ## Physics-

How can anything accelerate if every force has and equal and opposite counterpart?

243. ## math

a dry cleaner charges 18 dollars to clean 4 pair of pants how many pairs of pants can be cleaned for 27 dollars at the same rate

244. ## int.science gtg in 8 min.

How much heat is contained in 100 kg of water at 60.0 °C? Be mindful of significant figure rules for both multiplication and addition. 30 kcal 2.10 x 104 kcal 2.40 x 104 kcal 2.77 x 104 kcal

245. ## Math Help

Solve the following proportion. r/5=9/21 A. r=9 B. r=2.14 C. r=11.66 D. r=37.8 Is the answer B? Thank you

246. ## Intro toEpidemiology and health data anaysisl

If the mean number of cigarettes smoked by pregnant women is 12 and the standard deviation is 8, find the probability that in a random sample of 100 pregnant women the mean number of cigarettes smoked will be greater than 20. What does this mean (within

247. ## Chemistry

Can you tell if Beer's Law holds for your stock solutions as well as in the calibration range? Why or why not? (P.S. this is a lab question and Beer's Law equation is: A(absorbance) = a(absorptivity) x b(path length) x c(concentration))

248. ## English

Please Help me with the closing any suggestions Overall, how the delivery was characterized and how he used the presentational aids, made me understand how to present a speech.. The strength that the speaker had on his speech was the tone of voice, and his

249. ## physics

If 25cm3 of a quantity of wood ash has a mass of 45g,calculate the density of wood ash in kgm-3

250. ## Parents, Finances, and School-Age Children

To create effective and attractive programs for school age children, most activities should be: A. traditional games B. similar to those experienced during the school day C. self-selected D. focused on academic learning C.

251. ## chemistry

What voiume of 10.01mol/dm3 commerical H2SO4 is required to prepare 1dm3 of 2mol/dm3 H2SO4 acid solution?

252. ## Foundation of a Healthy Lifestyle

When a child demonstrates an inability to leap over a barrier, his teacher checks to see if he has mastered the skills of jumping down from a height and jumping for distance. In doing this, the teacher is A. applying a developmental perspective. B.

253. ## statistics

Discuss the effect that the confidence level has upon the confidence interval.

254. ## math

carson walked 6 1/2 miles in 2 hours how long will it take him to walk 16 1/4 miles at the same rate

2/3 × 3/5

256. ## Foundation of a Healthy Lifestyle

At the sensorimotor level of cognitive development, a child A. can achieve short bursts of speed and strength but can't sustain them. B. can move her arms, legs, and head, but can't move her body over distance. C. depends mostly on visual cues from adults

257. ## physics

how long the ball takes to reach the groud

258. ## Algebra

Solve for x, when (2^(x+1))^3*4^x=8192

259. ## socials 9!!

what are the first 3 words (main text) of the first thanksgiving proclamation?

260. ## Physics

Disk 1(of mass m) slides with speed 1.0 m/s across a low friction surface and collides with disk 2( of mass 2m) originally at rest. Disk 1 is observed to bounce off at an angle of 15degrees to its original line of motion, while disk 2 moves at an angle of

261. ## Foundation of a Healthy Lifestyle

A strategy for health promotion among infants, toddlers, and young children focuses on educational programs, physical fitness, activities, and A. tobacco, alcohol, and drug use. B. family planning. C. nutrition. D. mental health and mental disorders. C.

262. ## math

On May 22, 1960, a powerful earthquake took place in Chile. It had a magnitude of 9.5. How much energy did this earthquake release?

263. ## Physics

You are unloading a refrigerator from a delivery van. The ramp on the van is 5.0m long and its top end is 1.4m above the ground. As the refrigerator moves down the ramp, you are on the downside of the ramp trying to slow the motion by pushing horizontally

264. ## Math Help

Chase sold 48 tickets to the school dance, and Justine sold 14 tickets. What is the ratio, in simplest form, of the number of tickets Justine sold to the number of tickets chase sold? A. 7/24 B. 24/7 C. 4 D. 48/14 Is the answer B? Thank you

265. ## Algebra

Kimberly borrows 1000 dollars from Lucy,who charged interest of 5% per month ( which compounds monthly). What is the least integer number of months after which Kimberly will owe more than twice as much as she borrowed?

266. ## health and career 8!!

what is a falco ardosiacus? complete sentences please!

267. ## English

What might be some character traits of Montresor in The Cask of Amontillado? I can't come up with anything except cruel.

268. ## MATH!

A caterer is planning a large party for 1001 guest. Each table must seat an equal number of guest , more than 1 guest and fewer than 20. Determine the number of tables if the caterer uses 13 person tables. How many tables will they need. there are blank

269. ## Physics

A swimmer can swim at 3.9m/s in still water. What will the swimmer's speed be (relative to the shore) if he crosses a river that is flowing at 5.1m/s?

270. ## Parents, Finances, and School-Age Children

Of the following, which is the IRS publication considered to be the many day care providers? A. Farmer's Tax Guide B. Travel, Entertainment, Gift, and Car Expenses C. Your Federal Income Tax (For Individuals) D. Tax Guide for Small Business C.

271. ## Math Pre-Algebra

Simplify the Expression(-8/15)+(1/15). Show how to simplify in steps, using a property of operations for each step. Explain the property you use in each step. Can you help me please?

272. ## math

Helen is x years old her brother john is 4 years older what is johns age in terms of x

273. ## Foundation of a Healthy Lifestyle

A child practices tossing a ball into a hoop from the same distance each day. What type of knowledge is he using? A. Regressive B. Hypothetical C. Assimilative D. Adaptive A.

274. ## physics

A 78 g basketball is launched at an angle of 45.4◦ and a distance of 10.1 m from the basketball goal. The ball is released at the same height (ten feet) as the basketball goal’s height. A basketball player tries to make a long jump-shot as described

279. ## Chemistry Numerical

The half life period of a radioactive element is 27.96 days. Calculate the time taken by a given sample to reduce to 1/8th of its initial activity

280. ## Stastic=tics

You are staffed with 2 inpatient coders. Your current productivity level for your coders is 3 charts per hour. Your hospital discharges has increased to an average of 75 charts per day. Compose a request for additional coding staff.

281. ## Science

What would happen if cells didn't have the following? : -Nucleus -Ribosomes -Endoplasmic Reticulum -Cell Wall

282. ## physics

A motorcross racer covers one lap of a 1200 meter track on his motorcycle at a speed of 27 meters per second. How long does it take to ride one lap: A. In seconds? B. In minutes?

283. ## physics

A 4.53 kg particle has a velocity of vx = 3.98 m/s and vy = −3.16 m/s. Find the magnitude of its total momentum. Answer in units of kg · m/s

10 ÷ 4/5

285. ## Physics

A chair of weight 85.0N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 45.0N directed at an angle of 34.0∘ below the horizontal and the chair slides along the floor. Using Newton's laws, calculate

Which section of a personal narrative requires the most development? a. introduction b. conclusion c. character introduction d. plot My answer: D. Please check!

287. ## Math Help

In 6 months, 33.6 gallons were used. Find the unit rate. A. 3.6 gallons/month B. 4.6 gallons/month C. 5.6 gallons/month D. 6.6 gallons/month Is the answer C? Thank you

288. ## General Knowledge

How to write 20 november 2014 in five letters without using number

289. ## English

What is the past tenses and past perticiple of these word learn and sow?

290. ## Parents, Finances, and School-Age Children

Of the following, which is the IRS publication considered to be the most important reference on taxes by many day care providers? A. Farmer's Tax Guide B. Travel, Entertainment, Gift, and Car Expenses C. Your Federal Income Tax (For Individuals) D. Tax

291. ## algebra

How do you find the unit rate for ....861 bagels divided by 3 days

292. ## algebra

Ken is Helen and John's father, his age is 14 years more than Helens and John's combined if Helen's age is x and John's is x+4 what age is men in terms of x

293. ## physics

A white billiard ball with mass mw = 0.1 kg is moving with a speed of v = 0.5 m/s making angle 60 degree and collides with a black billiard ball with the same mass mb = 0.1 kg that is initially at rest. The distance between the black ball and the pocket is