1. geometry

A triangle has side lengths of 18 cm, 80 cm, and 81 cm. Classify it as acute, obtuse, or right

In the reaction between bromine and sodium, a bromine atom gains an electron. What ion is formed? Is the bromine oxidized, or is it reduced? Thank You ^_^

3. Chemistry

An 8.00 mass % aqueous solution of ammonia has a density of 0.9651g/ml. Calculate the molality, molarity, and mole fraction of NH3. This question seems simple but I cannot seem to remember how to do this. Help please?

4. geometry

find the missing value to the nearest hundredth Tan ___ = 73 I just don't get these!

5. geometry

find the missing value to the nearest hundreth sin_____=7/12

6. chemistry

Nitrous Oxide(N2O), or laghing gas, is mommonly used as a anesthetic in denistry and surgery. How many moles are present in 8.4 liters of nitrous oxide at STP?

7. Coding and Billing in the medical field

PREOPERATIVE DIAGNOSES: 1. Left orbitonasal mass. 2. Dry eye syndrome. 3. Pseudophakia, both eyes. 4. Computerized tomography confirmed tumor left orbital, left nasal side. POSTOPERATIVE DIAGNOSES: Same with the addition of low-grade lymphoma, left

8. Statistics Question

Consumer Reports rated airlines and found that 80% of flights involved in the study arrived on time (that is, within 15 minutes of scheduled arrival time). Assuming that the on-time rate is representive of the entire commercial airline industry, consider a

9. Chemistry

Consider the reaction: 3Ba(s)+N2(g)--->Ba3N2(s) 1)How many moles of barium metal react to produce 0.190 mol of barium nitride? 2)How many moles of nitrogen gas react?

10. geometry

for kite ABCD, if RA=15, and BD= 16, find AD

11. English

Hello, I am asking for these to be reviewed. I do not want answers; I just want to know if these answers look good. If you would just tell me which ones are wrong and why? Thank you for any help. Eliminate unnecessary shifts in tense, mood, voice, or

12. chemistry

During combustion, methine yeilds carbon dioxide and water. the unbalanced equation for this reaction is : CH4(g)+O2(g)>CO2(g)+H2O(i) what will the mole ratios for the balanced equation be?(what coefficients are needed in order to balanced the equation?)

Where is the circumcenter of any given triangle? the point of concurrency of the altitudes of the triangle the point of concurrency of the perpendicular bisectors of the sides of the triangle the point of concurrency of the bisectors of the angles of the

14. FINITE!!!

The Cutting Edge Knife Company manufacture paring knives and pocket knies each paring knife 3 man-hours of labor, 7 units of steal, and 4 unites of wood EAch pocket knife require 6 man hours of labor, 5 units of steel and 3 units of wood. The profit on

15. Chemistry

What is the name of the compound PBr5 using the Stock system?

16. physics

A 58.0-kg skier starts from rest at the top of a ski slope of height 70.0 .If frictional forces do −1.09×104 of work on her as she descends, how fast is she going at the bottom of the slope?

17. math

Dionne can run around a circular track in 120 seconds. Basha, running in the opposite direction as Dionne, meets Dionne every 48 seconds. Sandra running in the same directions as Basha, passes Basha every 240 seconds. How often does Sandra meet Dionne?

18. Physics

A bucket of mass M = 5.47 kg is attached to a second bucket of mass m = 3:52 kg by an ideal string. The string is hung over an ideal pulley. Mass M is started with an intial downward speed of 2.13m/s. What then is the speed of mass (M) after it has moved

19. chemistry

V=12.3L, P=1.0 atm, T=300K. The piston on the cylinder is pushed until the volume is 6.0 liters. If the temperature remains constant, what is the new pressure of the N2(g)?

20. geometry

The length of the hypotenuse of a 30°-60°-90° triangle is 12. Find the perimeter.

21. geometry

An equilateral triangle has an altitude of 15m. What is the perimeter of the triangle?

22. physics

the diver acheives a horizontal velocity of 3.75 m/s from a diving platform located 6.0 m above the water. How far from the edge of the platform will the diver be when she hits the water?

23. math

There are nine points on a piece of paper. No three of the points are collinear. How many different triangles can be formed by using three of the nine points as vertices?

24. chemistry

Calculate the ionic strength of 100mM solution of Mg3(PO4)2 in 10 mM acetic buffer (CH3COONa)

25. chem

An industrial chemist is studying smAll organic compounds for their potential use as an auto antifreeze. When 0.243g of a compound is dissolved in 25.0 ml of water, the freezing point is -0.201 degree celcius. (A) Calculate the molar mass of compound

One of your friends is heading north for the Christmas holiday and the other friend is heading south. If when they start, they are 1029 miles apart and one car is traveling at 53 miles per hour, and the other 45 miles per hour, how many hours before the

27. English

1. Can we meet again one day? 2. Can we meet again oneday? 3. Can we meet again some day? 4. Can we meet again someday? (Which ones are grammatical? Which one is commonly used? Thank you. Have a good day!)

28. english

3. Which sentence contains a linking verb? A. Michelle slowly walked to the store. B. The plants wilted in the stifling heat. [C. George will be moving in one month.] D. I will be on time for the meeting. is my answer correct

29. phyics

Find the horizontal range of a baseball that leaves the bat at an angle of 63 degrees, with the horizontal with an initial velocity of 160 km/hr. discard air resistance

30. Verbals: Infinitives

Identify the function of the infinitive in the sentence. Choose from the following: subject, direct object, object of the preposition, predicate noun, adjective, adverb 1. The person to ask is your mother. Function of the infinitive: 2. It is too expensive

31. math

If the perimeter of a rectangular house is 44 yards, and the length is 36 feet, what is the width of the house in yards?

32. Physics

A 645-kg elevator starts from rest. It moves upward for t = 3.13 s with a constant acceleration until it reaches its constant cruising speed of v = 1.26 m/s. It moved 2.75m during that time. a) What is the average power (W)is delivered by the motor during

33. Algebra 2

Evaluate with nth Roots. For mammals, the lung volume V ( in milliliters) can be modeled by V=170m^4/5 where m is the body mass ( in kilograms)/ Find the lung volume of each mammal. Mongoose - Body Mass(kg) = 1.14 Camel - Body Mass (kg) = 229

34. Science 7R

contains all the same kind of cell???? what part of a cell is that or something? AIDS???? parts of a animal or plant cells (im not going to list them all because you guys already know) ???? electron microscope ???? tiisue ???? vaccine ???? virus ??? host

35. chemistry

A 10 liter flask at 298 K contains a gaseous mixture of O2 and CO2 at 1 atmosphere. Which statement is true for the partial pressures of O2 and CO2 if 0.2 mole of O2 is present in the flask? (Given the universal gas constant R = 0.082 L∙atm/K∙mol)

36. physics

A baseball player throws a ball. While the 700.0-g ball is in the pitchers hand, there os a force of 125N in it. What is the accerleration of the ball?

37. English

Can anyone help me with these. I need to eliminate unnecessary shifts in tense, mood, voice, or person. 1)The greed of the 1980’s gave way to the occupational insecurity of the 1990’s, which in turn gave way to reinforced family ties in the early

38. Physics

What force would be needed to accelerate a 0.040-kg golf ball at 20.0 m/s^2??

39. algebra

the office jet printer can copy maria's dissertation in 16min the laser jet printer can copy the same document in 8min if the two machines work together how long would they take to copy the dissertation

40. finite!!!

an investor is considereing three types of investment: a high-risk venture into oil leases with a potential return of 15%, a medium risk investment in bonds with a 9% return, and a relatively safe stock investment with a 5% return. He has \$50,000 to

41. Chemistry

A solution of transferrin exhibits an absorbance of 0.463 at 470 nm in a 1.000-cm cell. Calculate the concentration of transferrin in mg/mL and the concentration of bound iron in μg/mL. At wavelength 428(nm), molar absorptivity of transferrin is 3540, at

42. jghjkl

ABC Company has 1,000 employees and wants to increase employee productivity by setting up an internal software applications training program. The training program will teach employees how to use Microsoft software programs such as Vista, Word 2007, Excel

43. english

18. In the following sentence, which word is an adverb used to modify a verb? The young girl quickly learned the rules of the board game. [A. Quickly] B. Girl C. Game D. Learned is my answer correct

44. astronomy

i want to know the new moon formula .what is the method to calculate the timing of new moon or dark moon?i hope that you will help me .

45. Calculus

Write a differential equation to model the situation given. Do not solve. Tests of an artifact discovered at the Debert site in Nova Scotia show that 28% of the original 14C is still present. What is the probable age of the artifact?

46. Writing

What if ten years ago, you started working as a clerk for DMD Medical Supplies? Six months ago, Liz Jakowski,the human resources director, promoted you to office manage. You manage two employees: Jack Snyder and Ruth Disselkoen. My office provides

47. writing

Can you proofread my writing? Have you ever read the story, ‘Animal Farm,” by George Orwell? It’s a very important book on the traits of freedom and equality. Well, there are so many leaders and followers who characterized those traits in the story.

48. Linear Algebra

Let v1= (1,1,2,1) v2= (0,1,3,3) v3= (1,-1,-4,-5) v4= (1,0,-2,-4) a) Let U=span{v1,v2,v3,v4}. Find the dimension of U b) Is span {v1,v2,v3,v4}=R4? c) Find a basis for U Very Much Appreciated!!!

49. Medical Billing and Coding

Patient is admitted for radiation therapy for metastatic bone cancer, primary unknown. Patient develops severe vomiting secondary to the course of radiation and is kept an extra day for stabilization. V Code: ____________________ Diagnoses Codes:

50. Chemistry

Exhibit 8-1 For the following questions, consider the equation below. Zinc will react with a solution of hydrochloric acid to produce hydrogen gas: Zn(s) + 2 HCl(aq) ® ZnCl2(s) + H2(g) Refer to Exhibit 8-1. How many moles of hydrochloric acid react with

51. Calculus

Two 100-gallon tanks initially contain pure water. Brine containing 2 lb of salt per gallon enters the first tank at the rate of 1 gal/min, and then the mixed solution drains into the second tank at the same rate. There, it is again thoroughly mixed and

52. Medical Billing

I have tried to read and understand this question, however I just had eye surgery,and to be honest, I just can not see to read the code book.~~~ OPERATIVE REPORT PREOPERATIVE DIAGNOSIS: Morbid obesity. POSTOPERATIVE DIAGNOSIS: Same. PROCEDURES: 1.

53. Physics

a force of 400 N Pushes on a 30 kg box. Starting from rest, the box attains a speed of 4 m/s in 5 seconds. determine the mu between the box and floor.

54. english

14. Which verb tense indicates continuing action? A. Progressive B. Past perfect C. Future [D. Present] is my answer correct

55. geometry

An equilateral triangle has a side of 8. If one corner of the triangle is removed by slicing off an equilateral triangle of side 2, find the perimeter of the remaining quadrilateral.

56. physics

A 1560 rocket is to be launched with an initial upward speed of 53.0 . In order to assist its engines, the engineers will start it from rest on a ramp that rises 53 above the horizontal (the figure ). At the bottom, the ramp turns upward and launches the

57. english

20. Which of the following sentences has a helping verb? [A. She had rested on the dock.] B. She swam across the lake. C. He went home late. D. Her brother paddled the canoe.

58. geometry

For problems 7 and 8, find the magnitude and direction angle of the given vector. 7. A magnitude: 5; direction angle: 53.13° B magnitude: √ 5; direction angle: 53.13° C magnitude: √5; direction angle: 3.40° D magnitude: √5; direction angle: 0.80°

59. social studies

Where can I find facts about: *Johnson Space Center aka NASA [Houston] *Grand Canyon *Statue of Liberty

60. Math

Monica has 8 more 3 times the number of marbles Regina has. If Regina has r marbles, how many does Monica have? __________ marbles If Regina has 12 marbles , how many dies Monica have? ________ marbles PLEASE HELP!

61. Math

If f and g are linear functions such that g(f(x)) = 2x + 6, and the graph of y = f(g(x)) passes through the origin, what is the value of f(g(2011))?

62. physics

The velocity of an airplane with respect to the ground is 200 m/s at an angle of 30 degrees NORTH of EAST. The velocity of the airplane with respect to the air is 150 m/s at an angle of 60 degrees NORTH of EAST. What is the velocity of the air with respect

63. Math

A picture frame measure 5 inches wide and 7 inches long . What is the perimeter of the frame ? (16-3)

64. Science 7R

A _______ is an organelle that can destroy old cells parts. I think it's lysosomes (that's c) the others is vaculoe, cell wall, and choloplast. It can't be vaculoe because that stores food, waste and water in the plant cell. I don't think it's cell wall

65. geometry

Triangle ABC has side lengths 7, 24, and 25. Do the side lengths form a Pythagorean triple?

66. chemistry

How many grams of chlorine gas could be produced by the decomposition of 58.5g of sodium chloride according to the following equation.? 2NaCl = 2Na + Cl2

67. physics

A driver in a car traveling at a speed of 70 km/h sees a cat 129 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 125 m? Answer in units of s

68. english

10. How many adjectives appear in following sentence? This dent on my door was caused by that ball on the green grass. A. Six [B. One] C. Four D. Five is my answer correct

69. english

11. The following sentence contains which type of conjunction? He is not only a great player but also an exceptional coach. A. Correlative [B. Coordinating] C. Phrasal D. Subordinating is my answer correct

70. statistics

Assume the monthly rainfall in a certain state is normally distributed with a mean of 2.85 inches and a standard deviation of .2 inches: a) probability that in any given month there is between 2.7 and 2.9 inches of rainfall b) probability that in any given

71. Chemistry

For the reaction 1 CaCO3(s) + 2 HCl(aq) 1 CaCl2(aq) + 1 H2O(l) + 1 CO2(g) Calculate K, the equilibrium constant, from thermodynamic data at 293 K. (Hint #1: Assume that S and H do not change with temperature.) (Hint #2: Work in J/mol)

72. Algebra: Statistics

Five years ago, you bought a house for \$151,000, with a down payment of \$30, 000, which meant you took out a loan for \$121,000. Your interest rate was 5.75% fixed. You would like to pay more on your loan. You check your bank statement and find the

73. Calculus

Write a differential equation to model the situation given. Do not solve. The radioactive substance neptunium-139 decays to 73.36% of its orginal amount after 24 hours. How long would it take for 43% of the original neptunium to be present? What is the

74. physic

if you are on a 29.2 degree slope and an avalanche started 236 m up the slope how much time would you have to get out of the way

75. Math

A player makes 42 out of 60 free throws. He is in a one on one situation.What is the probability he will score 0 points? 1 point? 2 points?

76. history

4. Which sentence contains a verb in the simple past tense? A. She obeys her father. B. She has obeyed her father. C. She had obeyed her father. [D. She obeyed her father.] is my answer correct

77. spanish

can anyone answer these questions i have to say all of them tomorrow in spanish. 1. ¿Cuántos estudiantes hay en la clase de español? 2. ¿Hay cuadernos en tu mochila? 3. ¿Qué es? 4. ¿Quién es? 5. ¿De quién es el lápiz? 6. ¿De dónde es Michael

Instructions: Prepare your answers using Excel and show your work to get full or partial credit. Question 1: Using the file Wages.xlsx which contains information of working individuals, for a nationwide firm (Value 7 points). a) Run Descriptive Statistics

79. grammar

i need to know what is the correct my mom is here also i am in third grade the question is about plural possessive nouns the question is Presidents famlies live in the White House what would preadient with a s

80. english

16. Choose the sentence that uses a preposition to expresses a logical relationship. [A. Ray's cell phone rang loudly during the meeting.] B. The mall lost power because of a severe thunderstorm. C. The spider scurried under the kitchen cabinet. D. Karen

81. linear equations

Write the equation of a line in slope-intercept form that is perpendicular to the line and passes through the point (-9, 4).

82. Calculus

Determine the maximum sustainable yield (the maximum harvesting and still keep the population stable) of population of logistic growth is Kr/4. I know the logistic equation with constant harvest rate, h, is dx/dt=rx((1-x/k)-h) I do not know how to apply

84. intro to physics

In the figure, a block of mass m = 3.20 kg slides from rest a distance d down a frictionless incline at angle θ = 30.0° where it runs into a spring of spring constant 431 N/m. When the block momentarily stops, it has compressed the spring by 19.5 cm. (a)

85. math

Adam wants to compare the fractions 2/5. 1/6. and 1/3. He wants to order them from least to greatest and rewrite them so they all have the same denominator. Explain how Adam can rewrite the fractions.

86. math algebra 2

solve for x 3x-6=18

87. math

Henry cut a 10 foot log into 9/10 foot of firewood. How many pieces of firewood did henry cut the log into? A 10 B 11 1/9 C 12 1/3 D 9 5/9

88. history

5. People express thoughts mainly by using A. pictures. B. gestures. C. numbers. [D. language.] is my answer correct

89. English

Is this the correct citing for APA Reference? (n.d.). Durga Puja.The Statesman. Retrieved December 13, 2011. from (n.d.). Durga Puja.The Telegraph. Retrieved December 13, 2011 from Ganguly's, T. (n.d.). Durga Puja. [web site]. Retrieve December 13,2011

90. algebra

a sample of 144 firecrackers contained 8 duds how any duds would you expect in a sample of 2016 firecracker

91. socials

Question:Hey I posting for my brother Mohammad again, his computer not work I not know why. You please unblock any people so he access again. His question. What goals of the FLQ. Me him not know if list goal one by one. We only have to achieve Quebec

92. Calc

Evaluate the function at the given values of the independent variable and simplify. f(x)= {x^2)-3 if x is less than or equal to -2 {6x+1 if x > -2 a. f(-3) b. f(0) c. f(-2) How do I solve this/what are the correct answers so I can check my work?

93. Math

Write the equation of the line passing through the point (-2, -4) and perpendicular to y= (-1/2x)-1

94. English

How does the Ramayana portray or illustrate precepts from the Bhagavad Gita?

95. English

I really need to know if the rephrases are correct. I will post the sentences separately. Thank you very much. 1) Hamlet is debating whether it is better to act or to abstain from action. 2) Hamlet is wondering (or he wonders?) whether it is better to act

96. trig

SinA =0.5 cosA=?

97. english

16. Choose the sentence that uses a preposition to expresses a logical relationship. [A. Ray's cell phone rang loudly during the meeting.] B. The mall lost power because of a severe thunderstorm. C. The spider scurried under the kitchen cabinet. D. Karen

98. Awards

I got good awards today at the award ceremony (4). - outstanding improving in strings - outstanding adivevement/ciztenship in math - high adivement in ss - honor roll yaya :) I didn't get one for eng because my eng teacher doesnt wanted me to get my name

99. Math

draw a line segment AB to be 3 cm long. the, draw line segment DC so that it is congruent, but not parallel, to line segment AB

100. Linear Algebra

A test Question: Find the parametric equations of the line through the origin that is orthogonal to the plane 2x+4y-z=0

101. math

16b to the 8th power + 40b to the 7th power + 25b to the 6th power

102. Algebra

Scientists want to set up and test animals in the area for West Nile. The costs to test are \$2,200 for setup plus \$1.50 to administer each test. (2200 + 1.5x)/x What is the average cost to test 25 animals?250 animals??1000 animals??? (2200 + 1.5x)=2201.50

103. chemistry

At a pressure of 1.7 atm a balloon has a volume of 4.98 L . If the pressure is decreased to 1.0 atm (at constant temperature) what is the new volume of the balloon?

104. Social studies

Verbs for present. Past and future write about something you could invent. Tell how people will use your invention.some verbs you can use are invent,use,like,and name.Write at least 3 sentence, under line the verb in the sentence.

(1/2) to the 5th power= Need to know how to write this?

You can find the total number of different 4-digit numbers of choices for each digit (9) to the number of digits (4), or 9 to the 4th power. Based on this pattern, how many different 5-digit numbers could you make from the digits 1 through 8?

107. history

3. Which one of the following sentences contains a collective noun? [A. The legislature met in secret session.] B. The quality of mercy is not strained. C. Listen, my children, and you shall hear. D. Who among you is a butcher, a baker, or a candlestick

108. trig

Find ALL solutions to the equation on the interval [0, 2pie]: 2sin(1/2X) = 1

109. math

REASONING Tara says that 1/2 of a salad is always the same amount. Lynn says that it could be different amounts, depending on how large the salad is. Who is correct and why?

110. history

The noun to which a pronoun refers is called the ________ of the pronoun. A. dependent B. object [C. antecedent] D. modifier is my answer correct

111. math

explain why 1/2 of Region A is larger tha n 1/2 of Region B. Region A has 12 horizontal sets of squares while Region B has 12 vertical sets of squares.

112. history

9. The following sentence is in what tense? Laura has given donations to the local food bank. A. Past perfect B. Past [C. Present perfect] D. Present is my answer correct

113. operations management

stickley furniture case study

use the division rule to write equivalent fractions? 51 --- 120

use the division rule to write equivalent fractions. 21/51

116. english

12. In a short story, any pronoun that indicates a person or thing spoken of is given in the _______ person. A. first B. second C. second or third [D. third] is my answer correct

117. Physical Science

A ______ Electric charge creates a magnetic field

118. Physical Science

Infrared waves- electromagnetic wave with a slightly ___________ frequency than radio waves

119. englsih

what is a slippery slope fallacy?

120. maths

The Double of a number is greater by 48 than its half. find the number.

121. algebra

Sam's plasma tv has a 14inby18in screen and border. The total area of the tv 480inch^2. How wide is the trim

122. Physics

A bucket of mass M = 5.47 kg is attached to a second bucket of mass m = 3:52 kg by an ideal string. The string is hung over an ideal pulley. Mass M is started with an intial downward speed of 2.13m/s. What then is the speed of mass (M) after it has moved

123. algebra

the number N of aluminum cans used each year varies directly as the number of people p using the cans. if 58 people us 23,432 cans in one year, how many cans are used in a cith which has a population of 1,956,000

124. math

Find all roots of P(x)= X^4 - 7/2 X^3 + 6x^2 -28x -16

125. geometry

Write the equation of a line in slope-intercept form that is parallel to the line y = 3x +2 and passes through the point (5, 2).

126. Algebra

c=6350/(425-3x) What is the cost and equation to remove 99% of the pollution in the pond?

127. English

Thanks, Writeacher for the links I have checked Owl.enlish.purdue.edu several times, I couldn’t find the exact information I needed. My article information was title Durga Puja found at Calcuttaweb link, the links you sent were a lot of help but do I use

128. chemistry-stoichiometry

If 5 moles of ammonia is produced in the reaction N2 + 3 H2 ¨ 2 NH3, the number of hydrogen moles consumed is ____?

129. Calculus

How do I integrate (x^2)(e^(x^3)) dx? I think it is integration by parts but after trying that, I got confused?

How to write out 10 the negative 6?

131. history

which writer satirized the narrow minded complacency and dullness of small town America, in their book main street? a. Hemingway. b. Fitzgernald. c. Elliot. or d. Lewis

132. Language Arts

Having trouble on this one too. Need to say the correct verb form either lay or lie. The horn has _____________ there ever since.

133. Calculus

If 3x^2-2y^2=4xy + 20, find the point(s) at which the graph from Problem 28 has vertical tangents. I found that dy/dx= (3x-2y)/(2x+2y), but now I don't know what to do. Do I set dy/dx to 0?

134. algebra

(x+y) to the 5th power

135. math

(2x+3y+4z) to the 3rd power

136. physics

A penny falls from a bridge. At 3.2 seconds it will have fallen ___

137. Calculus

A tumor is assumed to be roughly spherical. If the radius R is found to be increasing at the rate of 0.5 mm/day when the radius is R=2 mm, how fast is the volume changing at this time?

138. history

7. Choose the sentence that contains a relative pronoun. A. Please, put your book bag in your locker. B. Someone is coming down the hill. [C. Mr. Moon, whom you have met, is my assistant.] D. Those are not my shoes. are my answers correct

139. algebra

a sample of 144 firecrackers contained 8 duds how many duds would you expect in a sample of 2016 firecracker.

140. science

are sharks dangerous to humans?

141. chemistry

Which HPLC mode can you choose to separate a micture of alkanes? ( Normal-phase, reversed-phase, ion-exchange, or size-exclusion)

142. english

How does Aenea's detachment differ from Rama's in the Ramayana?

143. English

I urgently need you to check these sentences. Thank you. Rephrase the following sentences: 1) Hamlet is debating whether it is better to act or to abstain from action. 2) Hamlet is wondering (or he wonders?) whether it is better to act or not to act. 3) He

144. chemistry

liters in 2.39x10^23 molecules of nitrogen triiodide

145. science

If a mixture is made of 340g of isopropyl alcohol and 150g of water, what is the percent compowition of each?

146. algebra

Create a nonlinear function (non-linear functions usually contain a variable term with an exponent) and provide two inputs for your classmates to evaluate

147. Physical Science

____________ Magnetic fields create changing elctric fields and vice versa

148. Chemistry

I'm not sure how to find a linear equation for this problem. One common flow measurement device is the orifice meter, which consists of a disk with a machined hole. It is placed as an obstruction to flow in a pipe, causing pressure drop to occur as the

149. algebra

there are approximately 4lbs of muscle for every 5lbs of body weight of a certain animal for a 115-lbs animal, how much of the weight is muscle

150. statistics

a game of chance involves spinning a wheel that has 4 equally likely areas to land on areas colored red, blue, green, and white. If jim plays the game 5 times, what is the probability he wins 3 or fewer times

151. introductory physics

A startled armadillo leaps upward rising 0.540 m in the first 0.195 s. (a) What is its initial speed as it leaves the ground? 3.7 m/s (b) What is its speed at the height of 0.540 m? 1.8 m/s (c) How much higher does it go? How would I calculate (c)? should

152. English

I'm including the other sentences. Thank you very much. 1) Death would be preferable to life's suffering if man was not scared by the thought of what there may be beyond it. 2) Death would be more desirable than earthly sorrow if man was not afraid by the

153. math

Rico solved this equation in one step. 9m=126 Which choice solves the equation correctly using only one step?

154. MATH

SANTA WAS NUMBERING THE PAGES OF HIS ORDER BOOK. HE WROTE 690 DIGITS. HOW MANY PAGES WERE IN HIS ORDER BOOK?

155. Spanish 1

_______esta la silla? whic word best fits? hay,Que,Donde, or Como?

156. geometry

what is the symbolic representation of the width and height of a rectangle in a 16:9 ratio in terms of X?

157. calculus

How do you do differntials?

159. MATH

THANKS FOR THE ANSWER BUT I DON'T KNOW HOW TO WRITE THE PROBLEM TO ARRIVE TO THAT ANSWER

160. Novel 1984

1)When Regardless of what the ministry of love did to you what one thing according to Winston could they never do in the book 1984? 2)describe the event that promoted winston's mother disappearance 3)how does julia give winston hope about the future when

161. Science 7R

substances that can prevent but not cure a disease???? I did the others with my dad. is it vaccine?????

162. Algebra

The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: C=6350/(425-3x) What is the cost to remove 75% of the pollution? Plug in and calculate, do not convert to a decimal.

163. Science 7R

A microscope that uses lenses and objectives to magnifying is the______ a. compound light microscpe b. scanning electron microscope c. transmission electron microscope {d} atomic force microscope am I correct???? If I'm wrong please explain why and tell me

164. Ben davis

solve for y 4y+10=12

165. trig

A force of 50 pounds acts on an object at an angle of 45°. A second force of 75 pounds acts on the object at an angle of -30°. Find the direction and magnitude of the resultant force.

166. Question

What is LSAT??? I'm curious.

167. Algebra

How many animals should be tested for the average cost to be \$3.50 per animal? 220,00 set up cost. (Remember we cannot have partial animals)

168. math

If I have a 66% in algebra Android we took a exam that's worth 20% of our grade Android I got a 54% on the multiple choice what would my average grade be?

169. chemistry

Sarah needs to replace part of the metal railing on her deck and wants the new railing to match the existing railing. However, she does not know what metal the railing is made from. Which is a property that she can use to identify the metal?

170. Math

Trisha is t years old.If Kyle is 3 years younger than Trisha, then Kyle is ___________years old Damien has d DVDS. If Nadia has half as many as DVDS as Damien, then Nadia has _______ DVDS please help

171. Language Arts

Having trouble on this. On the sentence below you are supposed to write the correct form of the verb either lay or lie. Not sure which it would be. "Yesterday afternoon he ___________ the horn on the table.

172. auditing

I am right to believe that the rights and obligation assertion applies only to the balance sheet items only? Because my homework assignment asks," The rights and obligations assertion applies to: a. current liability items only. b. revenue and expense

173. science

what temperature change is required to increase the reation time by a factor of 2? what temperature change is required to decrease the reation time by a factor of 2?

174. English

I need to unscramble these letters papistanturkiy into 2 different countries

175. Social Studies

How are African Mahogany trees grown, harvested and transported?

176. Social Studies

"How are African Mahogany trees grown, harvested and transported?" Thank you Ms.Sue for the link but if you read the information in this Wikipedia article you will see that none of these questions are addressed.

177. eng 101

I have an expository essay I have to write on healthful eating. Can anyone give me any pointers on this topic?

178. Medical Billing and Coding

Patient develops severe vomiting secondary to the course of radiation and is kept an extra day for stabilization. Could anyone help me with this code?? Thanks.

179. ENGLISH-HELP!!!!

How does Euripides portray the realtionship between the human and the divine in the Bacchae?

180. Subject agreement

You --------to the old north church (walk) do you use (are walking) or stays the same for present tense?

181. English

If Virgil and Aeschylus had a conversation about women, how would it go based on the stories Aeneid and Agamemnon?

182. marine science

Which directions do the blood and water go in a fish gill?

183. math

explain why 1/2 of 12 horizontal squares of Region A is not larger tha n 1/2 of 12 vertical squares Region B.

184. Chemistry

The fusion of nuclei requires 1. slow moving (thermal) neutrons 2. a critical mass 3. heavy nuclei 4. plasma at extremely high temperatures I have another question that I do not have the answer in the back of my book. I need help. THank you

185. Physics

Gamma rays and X Rays are usefuk when used in _____

186. Physical Science

________- radio waves bounced off an object to determine its speed and location

187. hekasi

Mag-bigayng limang msgagandang tanawin o atraksiyong matatagpuan sa Rehiyon XI.Pagkatapos ay pumili ng isa sa mga ito na sa palagay mo ay nararapat marating o mabisita ng bawat pilipino.Isulat ang iyong paliwanag sa kahon na nasa kabilang pahina.

188. Math

Factor- Do All Work y2+3y-4

189. algebra

The first 1/5 of a mile is \$1.50. For every additional 1/5 of a mile is 25 cents. If Marc has \$3.75, at least how far can he go? P.S. I need an inequality.

190. MATH!!!! SEQUENCES!!!

Find out a formula for the Nth term of each of the following sequences. (i)4 7 10 13 16 (ii)1 3 5 7 9 (iii)20 17 14 11 8 (iv)1 4 9 16 25 (v)2 8 18 32 50

191. Philosophy

How can I rewrite this statement? "The author takes the position that..."

192. math

-2(3(2x+8)-4+5equal8x+4(2)-3(2)

193. algebra

-2(3(2x+8)-4+5equal8x+4(2)-3(2)

194. english

17. Which of the following words can be used as a noun? [A. Love] B. If C. Happily D. Younger is my answer correct

195. Math

2cosx + sqr3 = x [0degrees,360degrees)

196. MATH!!!! SEQUENCES!!!

Write down the first 5 terms of the n3 (Cubed) sequence

197. Math

Find the probability for onevroll of a number cube. Reduce. P (3)

198. English

For each of the following, identify what figure of speech, if any, is being used. In several cases, it might be argued that more than one exists. In those cases, you will identify only the primary figure. My brother has grown a great deal in the last year.

199. Math

Find the probability for onevroll of a number cube. Reduce. P (3)

200. English

I left out a few more sentences I urgently need you to check. 1) Cowardice is the ability to stay alive and bear the pain of human condition. 2) What does the Latin term quietus mean? (I don't know how to express this) 3) A quietus was a statement which

201. math

Study this pictorial equation. 2 trinangles 2 circle with in x inside equal 3 trinangles Which choice is true based on the pictorial equation?

202. trig

A bolt secured to a bridge is being acted upon by forces being exerted by two cables attached to the bolt. The force vector for one of the cables is represented by F1 = . The other force vector, F2, is known to have a magnitude 5 and a direction angle of

203. Calculus

dy/dx+((2x+1)/x)y=e^-2x

204. Educational Research

: 150 scores on a test are normally distributed with a mean of 92 and a standards deviation of 11.5 1) Find z score corresponding to a score of 69. Show work.

205. Educational Research

Assume that 150 scores are normally distributed with a mean of 92 and a standards deviation of 11.5 Find the z score corresponding to a score of 115. Show your work.

206. Statistics

Assume that 150 scores are normally distributed with a mean of 92 and a standards deviation of 11.5 WHat percentage of the scores fall between 69 and 115?

207. Educational Research

Assume that 150 scores are normally distributed with a mean of 92 and a standards deviation of 11.5 What is the 50th percentile of the scores?

208. algebra

explain how you would know if your answer will be a solution or rational expression

209. french

I was wondering how you say 1,467 in french? Is it mille quatre cent soixante-sept?

210. math algebra 2

solve for y 5x-y=3z+5y

211. Calculus

Assuming the earth is a perfect sphere of raius 3950 miles, find (in inches) d. d, is the difference between the arc and a straight line.

212. math algebra 2

(y-3)/2-13=-9 solve for y

213. Calculus

integrate: (x^2-3)sqrt (x+5)

How to write out 10 to the negetive two?

215. math

is 3 times 41 120

216. trig

How do you find 2.8 revolutions per second in radians? I understand that two revolutions would be equal to 4pie but how do you find the 0.8?