# Questions Asked onSeptember 12, 2014

1. ## Pre-Calculus/Trigonometry

Help please Tracy has a cell phone plan that provides 250 free minutes each month for a flat rate of \$29. For any minutes over 250, Tracy is charged \$0.35 per minute. Which of the following piecewise functions represents charges based on Tracy's cell phone

2. ## Chemistry, Help!

a) A 750-mL sample of hydrogen exerts a pressure of 822 torr at 325 K. What pressure does it exert if the temperature is raised to 475 K at constant volume? b) Aluminum oxide, Al2O3, is used as a filler for paints and varnishes as well as in the

3. ## Statistics

1. A poll of 700 persons attending the Taste of Chicago showed that 455 persons, 65% of the sample, believed that the food was overpriced. It is estimated that 1,250,000 persons attend the Taste. Statistics suggest that, although 65% plus or minus 5% of

4. ## Science

a body rolled on a surface with speed of 10m/s comes to rest after covering distance of 50 m find cofficient of friction

5. ## Math(Geometry) beware its hard for sixth graders!

In order to rescue Sela's cat, her mother propped a 19 foot long ladder against a tree at a 42° angle with the ground. How many feet above the ground was their cat? Round your answer to the nearest tenth of a foot? 1. 21.2 ft 2. 14.4 3. 12.7 4. 28.4 I

Please help me with the following: Read the sentence. Juanita used her affinity for numbers to help her design a computer program that relied on college-level math formulas, even though she was only in middle school. Based on the context clues in the

7. ## math

Every marble in a jar has either a dot, a stripe or both. The ratio of striped marbles to non-striped marbles is 3:1, and the ratio of dotted marbles to non-dotted marbles is 2:3. If six marbles have both a dot and a stripe, how many marbles are there all

8. ## Chemistry 1300

1) Aluminum metal reacts with chlorine gas to form solid aluminum trichloride, AlCl3. What mass of chlorine gas (Cl2) is needed to react completely with 163 g of aluminum? 2) Magnesium (used in the manufacture of light alloys) reacts with iron(III)

9. ## The Curriculum

What is the best strategy to use when a teacher is providing for learning of physical knowledge as a part of science? A. Give detailed information by telling children about physical knowledge. B. Have someone demonstrate an experiment and debrief. C. Set

10. ## social studies HELP

Check my answers please 1. Politics most informs a persons actions in a. Civic life *** b. work life c. private life d. school life 2. Which of the following best describes the purpose of the US Constitution? a. it restricts the rights of citizens b. it

11. ## Algebra 1

A chemist has 10% acid solution and 60% acid solution. HOW many liters of each solution does the chemist need to make 200 L of a solution that is 50% acid?

12. ## Statistics

In a survey of 80 high school football players who committed to play in the Division III CCIW conference, 64 said that they would work out in their high school weight rooms in the summer before college. The margin of error for the survey was 6%. A census

13. ## Chemistry

A portable electric water heater transfers 255 watts (W of power to 5.5 L of water, where 1 W=1J/s.How much time (in minutes) will it take for the water heater to heat the 5.5 L of water from 27∘C to 49∘C? (Assume that the water has a density of 1.0

14. ## Medical 2

This 82 yr old female was admitted for acute exacerbation of chronic obstructive pulmonary disease. The progress notes indicate that the patient received a transfusion for anemia. The discharge diagnoses state acute exacerbation of chronic obstructive

The first significant trading post was __________. Poste de Arkansea The reputation of the Spanish was diminished after the Battle of __________. The Twin Villages The Twin Villages were located in Montague County, Texas, and __________ County, Oklahoma.

16. ## English 1

A common theme for each of these selections is? (A Cub Pilot, Barrio Boy, No Gumption, and I Know Why The Caged Bird Sings) a- to become mature, people must learn important lessons from experience b- to govern well, people in authority must treat young

17. ## Chemistryyy

a) A standard solution of 0.243 M NaOH was used to determine the concentration of a hydrochloric acid solution. If 46.33 mL of NaOH is needed to neutralize 10.00 mL of the acid, what is the molar concentration of the acid? b) A 0.150 M sodium chloride

A company that manufactures bicycles estimates that the profit P (in dollars) for selling a particular model is given by the equation shown below, where x is the advertising expense (in tens of thousands of dollars). P = –35x3 + 2500x2 – 275000, 0 ≤

19. ## Veterinarian assisted

1. In the __________, an animal patient's hair is clipped and its skin is scrubbed to prepare for surgery. A. hospital ward B. surgical suite C. treatment area D. grooming area 2. Supervision of the treatment area is usually the responsibility of the A.

20. ## Linear Programming

We produce two products: product 1 and product 2 on two machines (machine 1 and machine 2). The number of hours of machine time and labor depends on the machine and the product as shown in Table 64. The cost of producing a unit of each product is shown in

21. ## science

Turning on the switch in a flash light starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this an example of a process?

22. ## Algebra

Peter buys 84 yards of fence to make a play area for his puppy. He wants the area to be 28 yards long. What is the area of the play area if he uses the entire fence he bought?

23. ## Algebra

Pick a number. Double it. Multiply the result by 3. Add 24. Divide by 6. Subtract your original number. Is the result always the same? Write a convincing argument for what happens. HELP!

24. ## Math

On an EKG strip a nurse determines that a patient's heart is beating 5 times every 4.5 seconds. Calculate the time for each heart beat. I don't really understand what the question is asking for? Is it looking for how often the beats will occur (4.5/5)= 0.9

25. ## Maths

Diagonals of a rhombus are 6cm and 8 cm. Find the length of the side of the rhombus.

26. ## Descrete maths

Show that the following conditional statement is a tautology without using truth tables.[ p ^ ( p ! q )] ! q 8. Without the use of truth tables, determine whether ( : p ^ ( p ! q )) !: q is a tautology. show all your work

27. ## chemistry

3. Describe the subatomic structure of the nucleus of carbon-14, including the structure of each nucleon. Draw a picture. Describe the forces that hold the nucleus together and draw them on your diagram. Write the equation for the carbon-14 isotope decay

28. ## History

Evidence of trade between the French and Wichita was found where in Oklahoma? Thank ya!! I can't remember the answer to this one, I know it was a creek/lake, i just cannot remember the name, thankies!!

29. ## Algebra

Rename each of the following using the distributive property of multiplication over addition: A: ax+ bx+ 2x B: 3(a+b)+ x(a+b) and explain how you got this answer please!

30. ## Medical Coding 2

What codes are assigned for a patient admitted for an azathioprine I drug-induced aplastic anemia (initial encounter)? The patient has peripheral neuropathy of multiple joints of the lower extremities secondary to severe rheumatoid arthritis. ICD-9-CM

31. ## Accounting

Ultra Leather Products sells leather clothing at both wholesale and retail. The company has found that there is a higher rate of uncollectible accounts from retail credit sales than from wholesale credit sales. Ultra computes its estimated loss from

32. ## Chem2

At 25C, the concentration of lead(II) sulfate in a saturated aqueous solution is 7.9 x 10^-M. Determine the volume, in liters, of saturated solution of lead(II) sulfate that contains 1.0g of lead(II) sulfate.

33. ## Biology

Breaking the hydrogen bond between two water molecules is called dissociation. true or false

34. ## Accounting

1. Compute the estimated uncollectible accounts at the end of the year using the following rates: Current 1% 1–30 days past due 3% 31–60 days past due 9% Over 60 days past due 25% 2. As of December 31, 2013, there is a credit balance of \$208.20 in

1) What can you infer from this sentence near the start of "The Story Teller"? Most of the aunt's remarks seemed to begin with "Don't," and nearly all of the children's remarks began with "Why" A) It is a long trip to Templecombe B)the aunt is extremely

36. ## maths

An ant must walk from one vertex of a cube to the "opposite" vertex (that is, the vertex that is farthest from the starting vertex) and back again to its starting position. It may only walk along the edges of the cube. For the entire trip its path must

37. ## The Curriculum

Which approach is most likely to enhance children's ability to classify objects? A. Explain in detail what attributes are and how they vary and quiz children about their comprehension of this instruction. B. Provide the materials that could be classified

38. ## The Curriculum

In which of the following are children ages two to four primarily interested? A. What they make (the product) B. Working with the materials (the process) C. The larger concept (the theme) D. Success (the evaluation) My answer is b.

39. ## language arts

What does the Aunt in the story teller find improper about the bachelors story? A. It makes fun of Bertha's goodness. B. It has too many fantasy elements C. It unrealistically suggests virtue is always rewarded. D. The bachelor tells it without invitation,

40. ## Chem Help

Assuming that no azetropes are formed, would it be easier to separate n-hexane and benzene or n-hexane and toluene by distillation? Explain? Thanks!!!

41. ## chemistry

The density of pure copper is 8.96 at 20°C. If 6.50 g of pure copper pellets is added to a graduated cylinder containing 13.4 mL of water, to what volume level will the water in the cylinder rise

The length of a rectangle is 3 feet less than twice the width of the rectangle. If the perimeter of the rectangle is 144 feet, what is the length? am looking for the length, not the width. Thanks

43. ## Chemistry

3. The Haber–Bosch process for fixation of nitrogen is one of the more important chemical reactions ever invented. Without the invention of this process, which is used to make ammonia for fertilizer, the world’s population would not be as large as it

44. ## physics

A stone is whirled at the end of a rope 30cm long, makes 10 complete revolution in 2 seconds. Find (1) the angular velocity in radians per seconds. (2) the linear speed, (3) the distance covered in 5 seconds

45. ## Algebra

you need 3 3/4 yards of material for 1 shirt how many shirts can you make with 116 1/4 yards of material

46. ## Maths

The diagonals of a rectangle ABCD meets at O. If the angle BOC equal to 44 degree, Find other angles.

47. ## computer science

In the Meteorological institute at Ruritania, one can find the following at Shiaho Railway Station in 2013 • In May 22 days with rainfall totaled 89 mm in that month • In June 1822 days with rainfall totaled 127 mm in that month • In Jule 8 days with

48. ## Algebra

A large grain silo is to be constructed in the shape of a circular cylinder with a hemisphere attached to the top (see the figure). The diameter of the silo is to be 30 feet, but the height is yet to be determined. Find the height h of the silo that will

49. ## example

n2ole nh3 how much quantity is required for n2 anmd+3h2------2nh3 if we want to prepare 5m h2

50. ## exam three americangov section 3

What is the meaning of the cartoon? 5.0/5.0 A. Street mimes deserve their constitutional rights. B. The powers of Congress are limited. C. The powers of Congress are unlimited. D. Many federal laws tend to be unfair. Question 2 of 20 5.0/ 5.0 Points What

51. ## math

-10+8=8+(-10) name the property illustrated

52. ## Pre-Calculus/Trigonmetry

Write the equation of the line that is parallel to the x-axis and goes through the point (1,4).

53. ## physics

an object of mass m moves with a uniform speed v round a circular path of radius r.if its angular speed is g the magnitude of the centripetal force acting on it is?

54. ## math

Write .4(5) as a fraction. The parenthesis represent it as a repeating decimal: .455555555555555555555 But what is it in a fraction?

55. ## Physics

Bill throws a tennis ball vertically upward such that it leaves his hand with a speed of 12 m/s. Bill catches the ball at the same height from which he released it. Assume that air resistance is negligible, so the tennis ball can be considered to be in

56. ## Mathematica

what percent more than 1/3 is 3/5?

57. ## math

an object weighing 40 tons hits an object at 40 MPH what is the force of the impact?

59. ## organic chemistry

Can a person be able to find some 1-Pentanamine (Y = NH2 over the counter ?

60. ## organic chemistry

or perhaps comparable over the counter?

61. ## english

write the past tense of the following DRIVE WALK WEAR CARRY EAT SING PAY LOSE WAKE RIDE PROTECT KILL SIT SLEEP SPEND FIGHT

62. ## grammar and punctuation

The patient was taken to the operative suite, placed supine, anesthetized, and intubated in the usual fashion

63. ## JAVA PROGRAMMING

Create a java program that will calculate the current grade in a classroom. The program should ask for 5 grades as well as total point value per grade available.

64. ## math

An investment adviser invested \$14,000 in two accounts. One investment earned 4% annual simple interest, and the other investment earned 2.5% annual simple interest. The amount of interest earned for 1 year was \$458. How much was invested in each account

65. ## math

Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the starting point at an average rate of 2 meters per second. The total time for the sprint and the jog back was 2 minutes 6 seconds.

66. ## math

A plane leaves Chicago headed for Los Angeles at 520 mph. One hour later, a second plane leaves Los Angeles headed for Chicago at 620 mph. If the air route from Chicago to Los Angeles is 1800 miles, how long will it take (after the first plane takes off)

67. ## math

v = 1/3 pie^2 h; solve for h

68. ## programming

create a program using java that calculates the current grade in a classroom. the program should ask for 5 grades as well as the total point value per grade available.

69. ## History

I have to write a page report explaining how the 1920s laid the foundation for today's society. I just wanted to know if the stuff I am adding in my essay are relevant. I was going to include how people in the 1920s started putting stuff on credit via

70. ## Physics

A baseball goes from zero to 37 m/s in 0.177 m/s. What is its average acceleration? Answer in units of m/s^2.

71. ## English 1

In "A Cub Pilot" what does the author mean when he says the Mississippi is "fickle"? A- the river provides work for many pilots B- the river is only one of the many pilots that can work. C- the river often floods, endangering the people that live near it

72. ## question repost damon

Since some tutors don't check back, i want to repost this to damon: what percent more than 1/3 is 3/5? It said 3/5 was wrong, and I tried but i don't know what happend

73. ## trigonometry - kindly help, needed badly

From a point on the bank of a stream,the angle of elevation of a tree top on the opposite bank is 38 degrees and 23 mins. And from a point 200.6 ft. straight back from the bank, the angle of elevation of the tree top is 20 degrees and 22 mins. Find the

I read an Article " we are as well as we are" by James Ronda which is an Indian critique of seventeenth century Christian missions. I have few questions on this How have these missions been seen as and how have they changed over the years ? I know that the

75. ## Statistics – Lab Week 2

11. Using the empirical rule, 68% of male heights should be between what two values? Either show work or explain how your answer was calculated.

76. ## physics

A soccer ball is kicked at an angle of 30° to the horizontal with an initial velocity of 16 m/s. How far does the soccer ball go?

77. ## physics

You are enjoying a day at the amusement park, riding a roller coaster, when suddenly a section of track up ahead crashes to the ground. You estimate that the cart is travelling at 5 m/s horizontally on the track before you begin to fall through the air. If

78. ## History

WHat were the twin villages protected by?

79. ## math

there are 12 students at the lunch table two thirds of the students ordered a hamburger for lunch one half of those students that ordered a hamburger ut cheese on it. and what fraction of the student at luch table order a cheeseburger

80. ## physics

A flower pot is thrown out of a window with a horizontal velocity of 8 m/s. If the window is 1.5 m off the ground, how far from the window does it land?

The population of a town is divided into three age categories. A random sample of each category is surveyed about voting choices. This type of sampling is called

82. ## language arts

which statement about possessive noun is true? Possessive nouns are always capitalized possessive nouns show ownership possessive noun name a specific person place or thing. possessive nouns are never capitalized.

83. ## physics

Consider the two observers O and O′ at the origins of the frames of reference S and S′ respectively, which are in relative motion at constant velocity v along the x-axis as illustrated in figure TMA 1_Fig1. Suppose the origins O and O′ as well as the

84. ## physics

how does sound travel I a swimming pool

85. ## nutrition

How many grams of fat would you have to eat if you want your diet to be one in which 30% of your calories come from fat, and your caloric intake is 2000 calories?

86. ## maths

Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2a-b-3c= -8, 5a+2b+c=9. Solve for a

87. ## nutrition

1. Do you think manufacturers are intentionally misleading consumers regarding serving size listings on their products. Why or why not?? 2. What kinds of standards for food labeling would you recommend to manufacturers?

88. ## nutrition

Case Study: Billy is a 9 year old boy whose parents believe he has Òa problem with sugar.Ó They do not allow him to eat candy, cookies, cakes, ice cream or sodas at home. He went to a big, fun-packed birthday party one day and ate cake and ice cream,

89. ## nutrition

Is adding a fiber supplement or eating a large bowl of a fiber-fortified cereal just as health as eating a diet high in fiber?

90. ## Physic

A ball is thrown vertically upward with a velocity(v) against the gravity. It reaches the maximum height(h) & returns back to the hand of the thrower with a velocity(u). Draw velocity time graph & position time graph for the situation?

91. ## Algebra

I posted this earlier but the number was wrong. I don't know why it didn't post the other pie symbol. And ofcourse the extra pie throws me off! A large grain silo is to be constructed in the shape of a circular cylinder with a hemisphere attached to the

92. ## Biology

A hydrogen ion is the same as a proton true or fasle

93. ## computer science

The problem is to calculate the usable area in square feet of a house. Assume that the house has a maximum of four rooms, and that each room is rectangular. I need help writing a program description,analysis,test,and with pseuocode with it.

94. ## algebra

I'm not sure how to answer this question? 1

95. ## math

Explain and show hot to convert 0.765 to fraction

96. ## Algebra

The cost of purchasing x meter lengths of a certain rope is: C=1/5x^2-8x+100 per rope. What is the length of the cheapest rope that can be purchased?

97. ## language arts

what is the relationship among the bachelor neon and the three children in the storyteller? He is the children's uncle and the aunts brother in law. He is engaged to marry the aunt that has never met the children before. He is someone that other characters

98. ## algebra

True or false if the statement is not true give a counterexample. 1.If a>b,and c is positive, then ac>bc? 2.if a^2=b^2,then a=b? 3. If a>b,and c is positive,then a/c>b/c?

99. ## Statistics

The following are weights (in lbs) for a sample of 11 baby boys at the age of 18 months: 21.8 22.2 23.4 24.6 25.1 26.7 27.3 28.0 29.8 30.9 31.2 What is the 80th percentile estimate for these sample?

100. ## Physical Education

Mental or emotional problems may cause physical problems. True False Is the answer True??

101. ## MATH

Explain why the digits in a place value system with base, b, are 0,1,... b-1 and why no digits for numbers greater than b-1 are needed

102. ## Biology

A company seeks to develop an herbicide that kills plants by directly interfering (at the cellular level) with plants’ ability to maintain turgor pressure. An herbicide could accomplish this by disrupting the membrane of _____.

103. ## The Curriculum

Which of the following teacher statements is most helpful in helping a child develop a script for sharing his emotions with classmates when they knock over the block tower that the child has built? A. "You're unhappy they knocked over your block tower.

104. ## Math

If I am traveling at a speed of 65 mi/h and graph the distance I travel over five hours, would the graph be linear?

105. ## physics

'Point charges of 0.26 ìC and 0.79 ìC are placed 0.25 m apart.At what point along the line between them is the electric field zero?'

106. ## The Curriculum

Which of the following is not a good technique for stimulating children to value the arts? A. Talking with children about beauty in nature and the arts B. Creating and sharing your own artistic projects C. Integrating art and music into the curriculum D.

107. ## Algebra

For all real numbers a and b, 2a • b = a^2 + b^2

108. ## Math

An investment adviser invested \$14,000 in two accounts. One investment earned 4% annual simple interest, and the other investment earned 2.5% annual simple interest. The amount of interest earned for 1 year was \$458. How much was invested in each account?

109. ## Chemicals of Life/Chemistry

Which weighs more: a liter of water at 20 degrees C or a liter of water at 80 degrees C. Explain.

110. ## The Curriculum

Which of the following approaches helps children in their aesthetic development? A. Having children discuss what they're going to make before they begin B. Varying the materials available for children to use and balancing novel with familiar materials C.

111. ## Math

Matt made two types of pie: strawberry and blueberry. He cut all of the strawberry pies into 20 slices each and all of the blueberry pies into 15 slices each. If Matt cut the same total number of slices of each type of pie, what is the minimum number of

112. ## Math

A plane leaves Chicago headed for Los Angeles at 520 mph. One hour later, a second plane leaves Los Angeles headed for Chicago at 620 mph. If the air route from Chicago to Los Angeles is 1800 miles, how long will it take (after the first plane takes off)

113. ## Algebra 3-4

The first stage of a rocket burns 28 s longer than the second stage. If the total burn time for both stages is 152 s, how long does each stage burn? Describe how you found your answer. I was originally thinking to divide 152 by 2 then add 28, but I

114. ## The Curriculum

When are children who live with overly critical or controlling adults particularly vulnerable? A. During years two and three, when they're exercising increased autonomy B. During elementary school, when involved in real task completion C. During

115. ## Physical Science

Modern oil tankers weigh over a half-million tons and have lengths of up to one-fourth mile. Such massive ships require a distance of 4.8 km (about 3.0 mi) and a time of 22 min to come to a stop from a top speed of 26 km/h. (a) What is the magnitude of

116. ## physics

An elephant walks east for a distance of 30 km, then walks north for a distance of 16 km and finally north east at 300 for 18 km. Find the magnitude of the elephant’s total displacement in kilometers. Please explain how I would do this problem? Do I add

117. ## In Response to Previous Math Question

What parent function describes the set (-1, -1), (0, 0), (1, -1) (-2, -8), (2, -8)? So should I write f(x) = x^2 or f(x) = -x^2 for the parent function?

118. ## Physics

Two forces are applied to a car in an effort to move it, as shown in the following figure (cannot attach picture), where F1 = 416 N, 10 degrees to the left of north and F2 = 356 N, 30 degrees to the right of north. What is the sum of these two forces

119. ## L.A

In which sentence is the eord immensely used correctly? A. The woman put her jacket on immensely B. The child said she liked the cake immensely C. "Sit down!" Said the aunt immensely***** D. The runner finished the race immensely. Is the answer C?

120. ## Goverment

Since the founding of the nation, there have been countless debates regarding how much power and autonomy should be afforded to the states in relation to the federal government. How much power and autonomy should Texas have in relation to the federal

121. ## CIS111(Computer)

How many folder menu options are available in Windows 7?

122. ## Pre-Calculus

Hello! Can someone check and see if these answers are correct? Thanks! 1.) If a line with slope of 1/2 is perpendicular to another line, then the slope of the other line is -2. TRUE or FALSE? (I choose True) 2.) If Segment QR || Segment TU and the slope of

123. ## MATHS

I WANT FREE PRACTICE PAPER OF NUMBER SYSTEM,WHOLE NUMBERS,INTEGERS,PICTOGRAPH

124. ## Organic-Chem Help

You wish to purify by distillation a material that has a boiling point of 205 C and reacts with air but this material will decompose if heated above 150 C. How would you set up the system to distill this material? Show steps Pleaseeeee!!!!!!!!!! Thank

125. ## MATH

The length of a rectangle is 3 feet less than twice the width of the rectangle. If the perimeter of the rectangle is 144 feet, what is the length?

126. ## Chem Help Please Urgent!!!!!!

What is the boiling point of a solution of 0.515 grams of acenaphthene (C12H10) in 15 grams chloroform (CHCl3) given pure chloroform has a b.p. of 61.7 C and a Kbp of +3.63 C. Thanks!

127. ## chemistry

How much of each solution will you need to mix to obtain 100 – 120 ml of 20 mM buffer pH 4.0? A. 35 ml sodium acetate + 90 ml acetic acid B. 100 ml sodium acetate + 16 ml acetic acid C. 16 ml sodium acetate + 100 ml acetic acid D. 90 ml sodium acetate +

128. ## Physics

Displacement vector A with arrow points due east and has a magnitude of 2.62 km. Displacement vector B with arrow points due north and has a magnitude of 2.26 km. Displacement vector C with arrow points due west and has a magnitude of 1.4 km. Displacement

129. ## -Math-Desperate

An investment adviser invested \$14,000 in two accounts. One investment earned 4% annual simple interest, and the other investment earned 2.5% annual simple interest. The amount of interest earned for 1 year was \$458. How much was invested in each account?

130. ## Still confused

An investment adviser invested \$14,000 in two accounts. One investment earned 4% annual simple interest, and the other investment earned 2.5% annual simple interest. The amount of interest earned for 1 year was \$458. How much was invested in each account?

131. ## still confused

The length of a rectangle is 3 feet less than twice the width of the rectangle. If the perimeter of the rectangle is 144 feet, what is the length? am looking for the length, not the width. Thanks I know the width is 25

132. ## CHEMISTRY

How can we determine the equivalence point ( or end point ) in the curves in titration ( strong acid/weak base and weak acid/strong base )

Find all the zeros of the function. When there is an extended list of possible rational zeros, use a graphing utility to graph the function in order to discard any rational zeros that are obviously not zeros of the function. (Enter your answers as a

134. ## physic

A 22.2 kg mass attached to a spring scale rests on a smooth, horizontal surface. The spring scale, attached to the front end of a boxcar, reads T 44.1 N when the car is in motion. If the sring scale reads zero when the car is at rest, determine te

135. ## government

Montesquieu is noted for giving our Founding Fathers the concepts of “Separation of Powers” and “Checks and Balances.” How did Montesquieu think power should be divided This separation seems to be common sense to us, but it was a radical change for

136. ## Finance

Assets required for operation: \$2,000 Case A – firm uses only equity financing Case B – uses 30% debt with a 10% interest rate and 70% equity Case C – firm uses 50% debt with a 12% interest rate and 50% equity

137. ## physic

what would the reading on the scale if the boxcar were moving at a constant velcity

138. ## Math

A waiter made \$120 in tips after waiting on 6 tables. What was the waiter's average tip per table?

139. ## Physics

A flat go-kart track consists of two straightways 100 m long with semicircular ends which have a radius of 25.0 m. A go-kart executes the curved end with a constant tangential acceleration while SLOWING from 12.5 m/s to 5.0 m/s. Determine the magnitude of

140. ## physics

Cameron kicks a football with an initial vertical velocity of 18.5 m/s and an initial horizontal velocity of 18 m/s and there is a flight time of approximately 2.0 s. Will the field goal travel far enough to make the field goal from 29 m away (if the ball

141. ## Physics

At some instant, a particle traveling in a horizontal circular path of radius 7.80 m has a total acceleration with a magnitude of 15.0 m/s2 and a constant tangential acceleration of 12.0 m/s2. Determine the speed of the particle at this instant(initial

142. ## English

Can you put this sentence into completely every word in present tense and still make this sentence make sense. Humans are never satisfied

143. ## math

fill in the following table, assets required for operation \$2000 Case A - firm uses onlyequity financing Case B - firm uses 30% debt with a 10%interest rate and 70% equity Case C - firm uses 50% debt with a 12% interst rate and 50% equity

144. ## Math

Ms Boyd leads tha national math club at the middle school where she teaches. At the first club meetting of the school year ,60% of the students in attendance were boys.If there was one fewer girl then boy in attendance, how maby students attended the first

145. ## physics

A girl delivering newspapers covers her route by traveling 2.50 blocks west, 3.50 blocks north, and then 5.50 blocks east.

146. ## US History

Describe the role of the Quakers, Puritans, and Indians and how each of these groups felt about these leading nations. (By leading nations I mean the three world powers; Great Britain, France, Spain) This is only half the question. I answered the first

147. ## Math

What parent function describes the set (-1, -1), (0, 0), (1, -1) (-2, -8), (2, -8)?

148. ## physics

A car begins at rest at t0 = 0. The car starts moving and finally covers a distance d = 617 m in a time tf = 105 s. In a coordinate system with north being the positive x-direction, the car's motion is in the southern direction (see figure. What was the

149. ## Math 112

A student says that there can only be 360 different rays emanating from a point since there are only 360 degrees in a circle. How do you respond?

150. ## computer science

Using visual logic build a program that asks the user for a whole number, N

IF x = 3 How much is 2(6x) + 2 (W)

152. ## Humanities

It is called post modern world, it is a humanities class, i have to write a 500 word essay on the poem "English girl eats her first mango" by John Agard. (a kind of love poem) If I did tell she hold this gold of sundizzy tonguelicking juicy mouthwater flow

A man wants to create a Japanese garden with a parabolic footbridge to cross the creek in front of his garden. The bridge needs to span 5 meters and - according to the design he has selected - is 2 meters tall at the apex. Find a quadratic model that

how would you expand: -(w - 30)^2 + 80w + 600

155. ## Numerical Analysis

Consider the equation 8x^4 − 12x^3 + 6x^2 − x = 0. For each of the two solutions x = 0 and x = 1/2, decide whether the Bisection Method or Newton’s method will converge faster (say to eight place accuracy), without running the calculation. I don't

156. ## science

if the paramecium overheats, what could happen to the metabolism

157. ## Science (college level)

1. What solar temp is needed for the peak intensity of radiation to occue at .2 micrometers? Remembering that humans can see light only between .4 and .7 microns, would the sun look brighter or dimmer at this new temp? 2. How much variation in earth

158. ## computer science

CSI 16 1 Group Assignment 1 201 3 P age 2 of 6 1. 1. How many milliseconds (ms) are in 1 second? 2. How many microseconds are in 1 second? 3. How many nanoseconds (ns) are in 1 millisecond? 4. How many microseconds are in 1 millisecond? 5. How many

159. ## social studies check

Which of these is a non-monetary positive incentive for entrepreneurs? a) the need to hire and train workers *** b)the risk of starting a new enterprise c) the satisfaction of creating new products d) the responsibilities of running a business Pete's

160. ## computer science

Under the Von Neumann architecture, a program and its data are both stored in memory. It is therefore possible for a program, thinking a me mory location holds a piece of data when it actually holds a program instruction, to accidentally (or on purpose)

161. ## CHEMISTRY

How do the indicators work , by changing color ?

162. ## MATHS

Calculate the probability of withdrawing 13 balls of yellow color in 16 draws from a bag of 93 balls having 38 red, 34 yellow and 21 pink balls.

163. ## Art

The picture is of colorful clogs. Through this collection, you can gain a better understanding of all of the following except. A. The history and traditions of a group of people. B. The diversity of a group of people during a specific time period. C. The

164. ## math

What is a proper factor?

165. ## programming

write a program that performs a survey tally on vehicle. The program should prompt for the next person until a sentinel value of -1 is entered to terminate the program. Each person participating in the survey should choose their favorite from the following

166. ## science

what the heck ms.sue you literally skipped over my question. i've been next to my computer screen waiting for you to answer my question.

167. ## programming

write a program that performs a survey tally on vehicle. The program should prompt for the next person until a sentinel value of -1 is entered to terminate the program. Each person participating in the survey should choose their favorite from the following

168. ## Algebra

Find the value of x for which the area is a maximum: A = 800 + 20x - 1/2x^2

169. ## Math

Wile E. Coyote catapults himself off of a 500 ft. cliff with an initial velocity of 20 ft/sec. His height t seconds after catapulting is given by the function h(t) = −16t2 + 20t + 500 . (Note the y-intercept of (0, 500). a. Find his maximum height (Hint:

170. ## Math

Find the equation for the exponential function that passes through the pairs of points given. Through (-1,2) and (3,1). I don't know if this is the right way to work this or what the next step is i am just very confused. Please help, thank you! y=Ab^x

Explain why the sum of the masses of the uranium nucleus and of the neutron does not equal the total mass of the products of the reaction. I guess its a theory question. Someone please explain!

172. ## math

The machining center at a production facility has three lathes of differing ages and thus precision. The oldest, machine A, produces finished units of product of which 88% are good, 8% are blemished, and 4% unusable. Machine B produces 92% good, 6%

173. ## physics

A car begins at rest at t0 = 0. The car starts moving and finally covers a distance d = 617 m in a time tf = 105 s. In a coordinate system with north being the positive x-direction, the car's motion is in the southern direction. What was the car's average

174. ## chemistry

Calculate the final temperature of 30mL of ethanol initially at 15∘C upon absorption of 913J of heat. (density of ethanol =0.789 g/mL)

175. ## English 1

In "A Cub Pilot" the author says: "Judgement is a matter of brains, and a man must start with a good stock of that article, or he will never succeed as a pilot." Which of the following best restates the author's idea? A: Riverboat pilots must have good

176. ## chemistry

How many kilowatt-hours of energy are necessary to heat the air in the house from 9∘C to 30∘C? The heat capacity of air is 1.03 J/g∘C.A room contains 45kg of air.

177. ## chemistry

25.6mL of ethanol (density =0.789 g/mL) initially at 5.4∘C is mixed with 30.4mL of water (density = 1.0 g/mL) initially at 20.4∘C in an insulated beaker.Assuming that no heat is lost, what is the final temperature of the mixture?

178. ## English 1

Which of the following is a characteristic of the young narrator in the memoir "A Cub Pilot" A: frantic B: pious C: discouraged D: incompetent

179. ## chemistry

when 21.6g of carbon were burned in the presence of 73.9g of oxygen 16.3g of oxygen remain unreacted. What mass of carbon dioxide was produced