Questions Asked onNovember 11, 2015

1. Comm Tech

1.)what does it mean to say that two variables are negatively correlated A.)When one variable increases, the other decreases. B.)When variable increases, the other also C.)When one variable decreases, the other also decfreases D.)Both variables changes at

asked by YRN DJ
2. Science

1) Which of the following is true about photosynthesis? A. It is an exothermic reaction B.It is a endothermic reaction ***** C.It produces carbon dioxide D. It occurs in animals 2) Atomic Theory is A.Subject to change if new information is discovered B.A

3. MATH

Is 38/53 in simplest form? Explain why or why not. If not, write it in simplest form.

4. Chemistry

You are given a solution of HCOOH (formic acid) with an approximate concentration of 0.20 M and you will titrate with a 0.1105 M NaOH. If you add 20.00 mL of HCCOOH to the beaker before titrating, approximately what volume of NaOH will be required to reach

5. Math

The distance between Exit 12 and Exit 13 is 2.7 miles. The distance between Exit 13 and Exit 14 is 0.9 mile farther than the distance between Exit 12 and Exit 13. The distance between Exit 13 and Exit 15 is 6.8 miles farther than the distance between Exit

6. MATH

bernadette bought two pieces of ribbion. One piece is 6 1/4 feet long, and the other is 11 1/2 feet long. Find the total lenght of the ribbion please help and SHOW YOUR WORK thanks :D

asked by DEEZ GOT HEE
7. Economics

Can someone check my answers? "Explain how unemployment affects the following groups. Give at least 3 examples for each of the groups; Laborers, Businesses, and Government" Laborers: 1) No longer has a job 2) Families can hurt from lack of money 3)Poor

8. Science

Concentrated phosphoric acid is 90% by mass and the remaining mass is water.The molarity of phosphoric acid in 90% is 12.2M at rtp. a)What is the density of the solution at rtp ? b)What volume (in mL)of this solution is needed to make a 1.00L solution of a

9. Social Studies (Check Please!)

Inflation Primarily differs from deflation in that 1 Inflation tracks changing prices but deflation does not 2 inflation relates to rising rather than falling prices 3 Inflation happens only when the money supply is too small 4 inflation occurs much less

10. Math

A chef has a 2 3/8-pound salmon filet. He slices the filet into 4-ounce servings. a. How many pounds is each serving? Write your answer as a fraction in simplest form.Each serving is pound. b.How many 4-ounce servings can the chef create from the filet?

11. physics

The potential energy of a pair of hydrogen atoms separated by a large distance x is given by U(x)=-C(subscript)6/x^6, where C_6 is a positive constant. What is the force that one atom exerts on the other? Is this force attractive or repulse? I've taken the

12. Math

A number is written with the following factorization: 22 X 3 X 54 X 8 X 112. Is this factorization a prime factorization? Explain why or why not. If it is not correct, give the correct prime factorization of the number.

which is one way that economics in Southern and Eastern Africa are overcoming economic challenges Mortgage lending Fishing **** Ecotourism Car manufacturing

14. Math

The area of a rectangle is 3/5 square meter. The width is 2/5 meter.How many times greater is the length than the width? Write your answer in simplest form.

15. Science

A student is trying to identify the different forms of energy described in the following chart: Form of Energy Description Examples Energy A energy that travels in waves through space light radio waves Energy B energy that depends on the height of an

16. Comm Tech

3.)Assuming that the data for all employees follows the same pattern, which kind of relationship is there between years of higher education and current salary A.)A clustered relationship B.)There is no relationship C.)A Negative Correlation D.)A Positive

asked by YRN DJ
17. Pre-Alegebra

3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical*** 4.Mrs. Clarkson designed a rectangular garden with a length of 15 meters and a width of 8 meters. She plans to build a walkway

18. Physics

A) A 600 kg steel beam is supported by the two ropes shown in (Figure 1). Calculate the tension in the rope. Express your answer to two significant figures and include the appropriate units. B) The rope can support a maximum tension of 3200 N . Is this

19. science

1. Name the components of the respiratory system in the order incoming air would encounter them during breathing. a.)trachea, pharynx, larynx, alveoli, bronchi b.)bronchi, larynx, alveoli, trachea, pharynx c.)larynx, trachea, bronchi, pharynx, alveoli

20. Math/ Proportions solve using unit rates

Contestants in a dance-a-thon rest for the same amount of time every hour. A couple rests for 25 minutes in 5 hours. How long did they rest in 8 hours? 25/5=5 8/5= 1 3/8 hours

21. Math

1. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical 2. A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? (1 point) 21

22. Math

1.62 divided by 0.8 16.2 divided by 8 0.0162 divided by 0.008 0.162 divided by 0.08 There are actually two different ways to complete the expressions above with the given numbers so that each expression has the same value. What could the value of all four

23. Algebra

If the demand function for a commodity is given by the equation p2 + 16q = 1200 and the supply function is given by the equation 300 − p2 + 6q = 0, find the equilibrium quantity and equilibrium price.

24. math

The formula F = 1.8°C + 32 allows you to find the Fahrenheit (F) temperature for a given Celsius (C) temperature. Solve the equation for C to produce a formula for finding the Celsius temperature for a given Fahrenheit temperature. THANK YOU!

25. Math

You pay \$9.70 for 2.5 pounds of roasted peanuts. You buy 1.4 pounds of almonds for \$8.55 per pound. a. How much less do roasted peanuts cost per pound than almonds? \$ less per pound b. How much more do you spend on almonds than on roasted peanuts? \$

26. Algebra

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

27. Physics

At a playground, a 22kg child plays on a slide that drops through a height of 2.1m. The child starts at rest at the top of the slide. On the way down, the slide does a nonconservative work of -371J on the child. What is the child's speed at the bottom of

28. chemistry

A viral preparation was inactivated in a chemical bath. The activation process was found to be first order in virus concentration. The beginning of the experiment 2% of the virus was found to be inactivated per minute. [i] Evaluate k for the inactivation

What are some of the benefits and pitfalls of the ethnic, language, and religious diversity in Africa? ***(It's an essay question)*** Thank you! (=

30. ALGEBRA

wo quadratic functions are shown. Function 1: f(x) = 4x2 + 8x + 1 Function 2: x -2 -1 0 1 g(x) 2 0 2 8 Which function has the least minimum value and what are its coordinates? Function 1 has the least minimum value and its coordinates are (−1, −3).

31. Algebra

The floor of a rectangular room will be tiled with square tiles that measure 3 inches on each side. The room is 109 inches long and 103 inches wide. How many tiles, including parts of tiles, are needed to complete the job? A. 1,248 tiles B. 1,247 tiles C.

32. Math

esse played two days of golf. On the second day, he got a score of 6 below par, or -6. His total score for the two days was 0 above par, or 0. Define a variable then write and solve an equation to find the score jesse got on the first day. show your work

asked by DEEZ GOT HEE
33. Math

Javier bought 48 sports cards at a yard sale. Of the cards, 3 over 8 were baseball cards. How many cards were baseball cards? How would I go about figuring out the answer? I am confused.

34. MATH HELP

3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical*** 4.Mrs. Clarkson designed a rectangular garden with a length of 15 meters and a width of 8 meters. She plans to build a walkway

35. Algebra (help please!)

Suppose 3s represents an even integer. What polynomial represents the product of 3s, the even integer that comes just before 3s, and the even integer that comes just after 3s? A. 27s^3 + 12s B. 27s^3 - 3s C. 27s^3 - 12s D. 3s^3 - 12s My calculations are

36. Algebra

You cut square corners with side lengths that are whole numbers from a piece of cardboard with dimensions 20 inches by 30 inches. You then fold the cardboard to create a box with no lid. Which of the following dimensions will give you the greatest volume?

37. math

I am a multiple of 10. Factors include an even number and an odd number. Greater than 15 and less than 28. What number am I?

38. Social Studies

1) How does money differ from barter? A: Money is mostly important as a way to get goods and services B: Money is used to exchange goods and services C: Money has value only because people agree that it does **** D: Money has been used for thousands of

39. Physics

A 10kg mass is suspended as shown: i.gyazo[dotcom]/47dc49d5ec1eebe950472dba5f692e70.png (remove the brackets) What is the tension in the cord between points A and B? What is the tension in all of the cords? Thanks for the help, I just can't figure it

40. Algebra

Use the table. Style: Color: regular light blue loose fit indigo boot cut washed slim fit black blue a.How many possible pairs of jeans are there if each pair has one style and one color? b.Suppose you have one pair of jeans of each possible style and

41. Math

3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number**** A whole number a radical 4.Mrs. Clarkson designed a rectangular garden with a length of 15 meters and a width of 8 meters. She plans to build a walkway

42. Social Studies (Ms. Sue)

1) Evaluate the effects of the Teapot Dome scandal on citizens' views of the federal government? A: Because of the Teapot Dome scandal, citizens viewed the federal government as corrupt. They lost their faith in the federal government until Harding's

43. Math

You score 15,16,17,14, and 19 points out of 20 possible points on five tests. what must you score on the sixth test to have of at least 16 points?

44. algebra

The equation a = 640s gives the relationship between s square miles and a acres. Pam owns 7.5 square miles of farmland. How many acres does she own? A. 480 acres B. 11.72 acres C. 4,800 acres D. 1.17 acres

45. Language Arts

Which of the following sentences is written in the subjunctive mood? A) I will feel flush after I get my very first paycheck for this job. B) I insisted that my brother do the dishes because I set the table. C) If I were rich, I would get convertibles for

asked by Kevin Black
46. Math

A chef has a 238-pound salmon filet. He slices the filet into 4-ounce servings. a. How many pounds is each serving? Write your answer as a fraction in simplest form.Each serving is pound. b.How many 4-ounce servings can the chef create from the filet?

47. chem

To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 4.3-L bulb, then filled it with the gas at 1.90 atm and 21.0 C and weighed it again. The difference in mass was 9.5 g . Identify the gas.

48. English

White House pets become almost as well known as their owners, what type o verb is become?

49. Geometry

Triangle KLM has vertices K (3,2) L(-1,5) and M(-3,-7) write the angles in order from the least to greatest measure show all work

50. math

The mass of a textbook is about 1.25 kilograms. About how many pounds is this?

51. Algebra

Find the maximum revenue for the revenue function R(x) = 383x − 0.6x2.

52. Math

Create a pattern that multiplies each number by2 and then adds 1. Stop when you have 5 numbers. 2 x 2 = 4 + 1 = 5 3 x 2 = 6 + 1 = 7 4 x 2 = 8 + 1 = 9 5 x 2 = 10 + 1 = 11 6 x 2 = 12 + 1 = 13 Is this correct?

asked by Steve B
53. Math

A bag contains 9 red marbles, 8 white marbles, and 6 blue marbles. You draw 4 marbles out at random, without replacement. What is the probability that all the marbles are red? What is the probability that exactly two of the marbles are red? The probability

54. math

The current temperature in Smalltown is 20°F. This is 6 degrees less than twice the temperature that it was six hours ago. What was the temperature in Smalltown six hours ago? **Write equation and solve it. THANK YOU!

55. civics

How did the writers of the U.S Constitution improve the amendment process from that of the Articles of Confederation? A) It required unanimous consent by the states to amend B) It required support of six of the 13 states to amend C) It required support of

asked by anime lover
56. English

Teddy Roosevelt kept a pet snake. What type of noun is snake.

57. AP Physics

A 5.86 kg block initially at rest is pulled to the right along a horizontal surface by a constant, horizontal force of 14.4 N. The coefficient of kinetic friction is 0.14. The acceleration of gravity is 9.8 m/s 2 . Find the speed of the block after it has

58. chemistry

The solubility of Na3(PO4) is 0.025 M. What is the Ksp of sodium phosphate?

59. Math 141

Three machines turn out all the products in a factory, with the first machine producing 20% of the products, the second machine 15%, and the third machine 65%. The first machine produces defective products 17% of the time, the second machine 8% of the time

60. Physics

If a sprinter accelerates from rest at a constant rate of 2.0m/s/s how fast will they be running after 4.0s?

61. Precalc

Given log2=0.3010, log3=0.4771, log5=0.6690, and log7=0.8451... Find a.) log8 b) log5/7 c.) log1.5 d.) log3/14 e) log12 I didn't know how to do b, c, and d. I also don't know if log 12 is right. Answer: a.) 0.903 b.)? c.)? d.)? e.) 1.0791

62. Physics

A spaceship of mass 2.1×10^6 kg is cruising at a speed of 5.0×10^6 m/s when the antimatter reactor fails, blowing the ship into three pieces. One section, having a mass of 4.8×10^5 kg , is blown straight backward with a speed of 2.3×10^6 m/s . A second

63. English

I need help contrasting to stories call "The Secret Life of Walter Mitty" and "Nethergrave" please. :)

64. business math and statistics

in the formula for calculating present value the letter R represent the

65. Algebra

Evaluate the polynomial 6x - y for x = - 3 and y = 2. A. 15 B. –20 C. 4 D. –16 I think it is b...am I right?

66. AP HUG

Which of the following BEST illustrates the concept of cultural diffusion? During winter, fruit is often shipped from the Southern Hemisphere to the United States. Recipes can be written in many different languages. A kitchen cabinet contains foods from

67. Math

Mckenzie works for a catering company. She is making iced tea for an upcoming event. For each container of tea, she uses 16 tea bags and 3 cups of sugar. If McKenzie uses 64 tea bags, how many cups of sugar will she use?

68. MATH

Patsy has cheer leading practice every fourth day. She wants to be in the school play. but they have practice every sixth day. If both start on September 5th. what would be the next date she has to choose between cheer leading and play practice? the answer

69. LERUNTSE LESEDI SEC SCHOOL

I completed my matric in 2013 and I am examted to diploma with the following subjects 1.Setswana-78%=Level 6 2.English-68%=Level 5 3.Afrikaans-57%=Level 4 4.Maths literacy-47%=Level 3 5.L.O-58%=Level 4 6.Economics-47%=Level 3 7.Business Studies-43%=Level 3

asked by seunkie johannes
70. science

the small piston of a hydraulic press has an area of 2.0 cm and the large piston has an area of 16 cm if the small piston has a force of 4.0 N applied to it the output force of the large piston is

71. math

After making a deposit, Puja had \$264 in her savings account. She noticed that if she added \$26 to the amount originally in the account and doubled the sum, she would get the new amount. How much did she originally have int he account? **Write an equation

72. Geometry

Triangle LM has vertices K(3,2) L(-1,5) and M(-3,-7) Write the angles in order from the least to greatest measure

73. Math

A class 4 truck weighs between 14000 and 16000 pounds what is the weight range in tons

74. physics

If there were no air resistance, with what speed would drops hit the Earth if they fell from a cloud 3881 m above the Earth’s surface? The acceleration of gravity is 10 m/s

75. Math

Post a New QuestionCurrent Questions Homework Help: Math Posted by Anonymous on Wednesday, November 11, 2015 at 7:08pm. 3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number**** A whole number a radical 4.Mrs.

76. Algebra

How do you find the missing side length of a right angle triangle with the height of 8ft and the base of 6 feet?

77. Physics

An object is traveling at a constant speed of 12.0 m/s when it slows to a stop. If it takes 10.0 m for the object to stop, what is the magnitude of its acceleration?

78. Chemistry-Dr.Bob

Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 176.00 pm .

79. Brain excel

R and S are two observation posts on the same horizontal ground as the foot P of a vertical tower PQ.The tower is 18m due north of S and 24m east of R.The angle of elevation of Q from S is 35degree.calculate the height pQ,the distance RS,the angle of

80. Math

You pay \$9.70 for 2.5 pounds of roasted peanuts. You buy 1.4 pounds of almonds for \$8.55 per pound. b. How much more do you spend on almonds than on roasted peanuts?

81. Marie Ernestine

Math/Science A car starts from rest and moves at the speed of 30 kph after half an hour. What is the cars acceleration?

82. Chemistry

What volume of 18N H2SO4 is required to prepare 125 ml of 6.0 N H2SO4?

83. Statistics

10. A teacher gives 200 students a study guide for a test and the average score was 90 with a standard deviation of 6. She did not give the other 200 students a study guide and their average score was 70 with a standard deviation of 8. Find the critical

84. Kopanang Senior Secondary school

Am in grade 10 am doing maths literac,geograph,life science,life orientation,consumer studies,english an spedi which carrer must I take?

asked by Pretty Molapo
85. Math

The distance between Exit 12 and Exit 13 is 2.7 miles. The distance between Exit 13 and Exit 14 is 0.9 mile farther than the distance between Exit 12 and Exit 13. The distance between Exit 13 and Exit 15 is 6.8 miles farther than the distance between Exit

86. Chemistry- Dr. Bob

Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 176.00 pm .

87. Chemistry

Why are the two words "alkaline" and "earth" used to name the group 2 metals?

The floor of a rectangular room will be tiled with square tiles that measure 3 inches on each side. The room is 109 inches long and 103 inches wide. How many tiles, including parts of tiles, are needed to complete the job? A. 1,248 tiles B. 1,247 tiles C.

89. physics

A car is initially travelling at 30 m/s, which is above the speed limit. The driver sees a speed limit trap ahead and applies the brakes for 5 seconds, causing the car to slow down by 2m/s every second while the brakes are on. –How far does a car travel

90. chemistry

The De Broglie wavelength of electrons used in an experiment utilizing an electron microscope is 96.00pm. what is the speed of one of these electrons? (De Broglie's equation is wavelength=6.63E-34 / (mass*velocity))

asked by Brooke N
91. math

write the expression in expand form (4.2z)(-5y-3)

92. Language Arts!

Which of the following uses the indicative mood? A. I will feel flush after I get my very first paycheck for this job B. I insisted that my brother do the dishes because I set the table ** C. If I were rich I would get convertibles for us both D. If I won

93. chemistry

balance the following redox equation. hno2(aq) + h2so4(aq) + k2cr2o7(aq)= hno3(aq) + cr2(so4)3 + h20 + k2s04

94. Algebra

If a company has total costs C(x) = 20,000 + 25x + 0.2x2 and total revenues given by R(x) = 475x − 0.8x2, find the break-even points.

95. accounting

On January 1, 2013, National Insulation Corporation (NIC) leased office space under a capital lease. Lease payments are made annually. Title does not transfer to the lessee and there is no bargain purchase option. Portions of the lessee's lease

96. Algebra 1 grade 9

After the math contest basil noticed that there were four extra-large pizzas that were left untouched in addition another three slices of pizza we're on even if there were a total 51 slices of pizza left how many slices of pizza does an extra large pizza

97. math

according to information from NASA, the space shuttle has a capacity of about 500,000 gallons of fuel. Write three numbers that could represent the space shuttle's actual fuel capacity? I don't understand the question.

98. math

which numbers should i use to add to estimate the answer to 87,087 + 98,000

asked by Sophia Scarlet Voltemore
99. Physics

A plane landing on a small tropical island has just 80 m of runway on which to stop. If its initial speed is 65 m/s, what is the maximum acceleration of the plane during landing, assuming it to be constant? Answer in units of m/s 2

100. science

A motorcyclist is trying to leap across a canyon by driving horizontally off a cliff (height= 60 m) at a speed of 25 m/s. The cycle strikes a cliff on the other side (height= 30 m) at a speed of 15 m/s. Find the work done by air resistance.

asked by Daniela Belen
101. Physics

A motorcyclist is trying to leap across a canyon by driving horizontally off a cliff (height= 60 m) at a speed of 25 m/s. The cycle strikes a cliff on the other side (height= 30 m) at a speed of 15 m/s. Find the work done by air resistance.

102. Language Arts

Directions: Underline the verb in each sentence, then write past present or future. 1. We study English in Pete's class. -Underline study and this is present 2. English was not my first language.- I am confused on this sentence. 3. I will be a very good

103. Algebra Math

The length of a rectangle is two more than three times its width. The perimeter of the rectangle is 116. Determine the length and width of the rectangle.

104. Statistics

10. A teacher gives 200 students a study guide for a test and the average score was 90 with a standard deviation of 6. She did not give the other 200 students a study guide and their average score was 70 with a standard deviation of 8. Find the critical

105. Language Arts

Underline the verb in each sentence, and identify its tense. 1. It rained last night. -underline rained and it is past tense 2. We closed all the windows quickly.-underline closed and it is past tense 3. Thunder crashed outside.-underline crashed and it is

106. world geography

Why did the earliest settlers choose such a location for their dwellings?

107. accounting

On January 1, 2013, Sweetwater Furniture Company leased office space under a 21-year operating lease agreement. The contract calls for annual rent payments on December 31 of each year. The payments are \$19,000 the first year and increase by \$350 per year.

108. chem

You mix 5.32 g of solid magnesium sulfate with 105.24 g of water inside a calorimeter. As the magnesium sulfate dissolves, the temperature of the solution rises from 24.5°C to 30.1°C. Calculate the amount of energy in kJ that was transferred into the

109. Math

An airplane flies 2,750 miles in 5 hours. Find the unit rate in miles per second. Round the answer to the nearest hundredth. I appreciate the help very much. I got .132 but I think I'm wrong.

110. Physics

A person of mass 81.7 kg escapes from a burning building by jumping from a window situated 28.9 m above a catching net.The acceleration of gravity is 9.8 m/s^2. If air resistance exerts a force of 123.1 N on him as he falls, determine his speed just before

111. Organic Chemistry

A sample of carvone was found to be 39% optically pure in favor of the dextrorotatory enantiomer. The specific rotation for enantiomerically pure carvone is 61o. The polarimetry experiment that led to this result was performed utilizing a 2.5 dm

112. math

Determine the standard matrix D of the linear mapping G: R^2--R^2 that first rotates points clockwise through pi/6 radians and then reflects points through the line x2=x1

113. English

Whe Abe Lincoln was president, he had a turkey. what type of pronoun is he?

114. English

1. Based on the reading selections in Unit 3 of Journeys in Literature, consider the varied purposes the authors had for writing. What do they reveal about diversity (variety) within the new nation? Note: Do not write about issues with diversity as we see

115. chemistry

1. Calcuate the distance(km) from the Earth to the Moon if it takes light 1.3 seconds to make the trip? 2. Saturn is about 1.2 billionkm from Earth. How long does it take light to travel that distance? (I was only given the wave equation, Max Plancks

asked by Brooke N
116. MATH

Brittney found a swimsuit that she wanted to buy with a price tag marked \$80. The sign above it indicated that this price was 20% off. What was the original price of the swimsuit?

117. precalc(LOGS) CONFUSED!

How do I rewrite without logarithms?? 2. log x= log a - 4 log b 3. ln t= 3/2 ln a - ln p 4. log y = 3 log x + log 17

118. U.S History

R(ace, Gender,and the Civil Rights Movements. The struggle in Mississippi.) In what ways were issue of gender at the heart of the Civil Rights struggle for both civil rights activists and white segregationists?

119. math

A house plan is drawn to scale of 1cm to 2m what is the length of a window 2.5cm long on the plan

120. Grammar check

Hello, can you please check my answer. Which of the following sentences is written in the subjunctive mood? A. If the sun is shining, then I will wear sandals. B. It was the weekend, so she slept until noon. C. My health teacher recommends that I eat five

121. Physics

A car accelerates from rest with a uniform acceleration of 1.7m/s for 10 seconds, its acceleration then reduces by 0.3m/s for 20 seconds of the motion, it then maintains the speed attained for another 20 seconds after which it decelerates to rest within 10

122. algebra

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

123. Mechanical behavior

An atomic force microscope cantilever, of rectangular cross section, has a length, l, of 200μm, a width, b, of 20μm and a depth, h, of 1μm. It is made of silicon nitride, which has a Young's modulus, E, of 300GPa. What is the maximum force that can be

124. algebra

9/16 / 7/10 divide. write the answer in simplest form.

125. Physics

A car accelerates uniformly at 3 m/s/s in order to overtake another car. If the initial speed was 30 m/s and the car accelerated until its speed was 40 m/s –For how long did it accelerate? –How much distance was covered in that time?

126. English

This is an essay dealing with Henry David Thoreau, Mahatma Gandhi, and Martin Luther King Jr. The prompt asked how do these men individually reflect the "sprit of optimism" hence this is the name of the essay (: I need help to REVISE & EDIT as far as

127. Math

Christy bought an 8 foot piece of lumber to trim a bookshelf. Altogether, she needs 100 inches of lumber for the trim. Did Christy buy enough lumber? Explain Please help on this problem

128. Physics

A car accelerates from rest with a uniform acceleration of 1.7m/s for 10secs., its acceleration then reduces by 0.3m/s for 20secs. of the motion it then maintains the speed attained for another 20secs. after which it decelerates to rest within 10secs.

129. statisc concept application

) Determine the number(range) of chocolate chips in a bag that make up the middle 99% of bags.

130. maths

Help me and show rough work please . First question:A cup holds 150 millilitres. How many cups of tea can be poured from a full teapot which holds 1.5 litres? 2. Put in order of size, smallest first: 2.2, 2.22,  2.199 3. Mom bought two pillows and paid

131. math

what is this the difference between the amount of concentrate and water is 4 cups

132. math

i am two digit number, the sum of my digits is 9, my tens digit is twice my ones digit

133. AP Physics

What is the minimum work needed to push a 1025 kg car 290 m up a 17.5° incline with zero friction?

134. Physics

A person of mass 81.7 kg escapes from a burning building by jumping from a window situated 28.9 m above a catching net. The acceleration of gravity is 9.8 m/s^2 . If air resistance exerts a force of 123.1 N on him as he falls, determine his speed just

135. physics

An apple (0.100 kg) is thrown vertically upward at a speed of [let x = any whole number between 10 and 20] m/s (from an arm 1.5 m off of the ground). What is the maximum height that the apple reaches? (g=9.8 m/s2)

136. chemistry

What is the pH of a buffer solution that has CH3CO2H=0.68 M and CH3CO2- =0.58 M, and has 0.01 M concentration of H2SO4 added to it? Ka of acetic acid is 1.8x10-5

137. chemistry

Balance the following redox equation. hno2(aq) + h2so4(aq) + k2cr2o7(aq)= hno3(aq) + cr2(so4)3 + h20 + k2s04?

138. Math

What is the opposite of 17

139. Mechanical behavior

The television coverage of the World Series showed several remarkable slow-motion views of the deflection of the bat as it hit the ball. Major league wood baseball bats are made of ash. A typical major league bat has a length of 0.95m and a tapering

140. math

Im a two digits number.the sum of my digit is 6.im divisable by 5.

141. Physics

Randy throws a tennis ball horizonally to hit a wall 20 m away. If the ball hits the wall 1.5s after it is thrown, what is the horizontal component of the balls velocity?

142. Algebra

I'd like to know if I am right... A rectangular box is twice as long as it is wide. The height of the box is 3 feet less than the width. If the box is x feet wide, what polynomial represents its volume in cubic feet? A. 4x - 3 B. 2x^3 + 6x^2 C. 2x^2 - 6x

143. Social Studies (Check, Please!)

1) Evaluate the effects of the Teapot Dome scandal on citizens' views of the federal government? A: Because of the Teapot Dome scandal, citizens viewed the federal government as corrupt. They lost their faith in the federal government until Harding's

144. Physics

An athlete swings a 2.01 kg ball horizontally on the end of a rope. The ball moves in a circle of radius 0.98 m at an angular speed of 0.44 rev/s. What is the tangential speed of the ball? Answer in units of m/s.

145. chemistry

what is the minimum frequency that will produce the photoelectric effect for rubidium(Rb)? (if it matters the frequency=5.2E24Hz or greater and I'm solving for the binding energy)

asked by Brooke N
146. chemistry

What is the pH of a 0.5 M solution of NaHCO3? Kb = 2.4x10-8 (base)

147. Science

Can a molecule be an element? Molecules of most elements are made up of only one atom of that element. So, if a molecule is what you get when any atoms join together then no, a molecule can not be an element

148. bendel s s s

Determine the percentage of water of crystallization in Fe(NO3)2

149. Statistical Math

find B if P = 98 and R = 77 7/9%

150. Social media

Are this good positives of using snapchat? Media-sharing. You can share both photos and videos on Snapchat, and both are called”Snaps.Each time you take, Snap, you choose how long the viewers you select can view it, from 1 to 10 seconds. One-on-one video

151. physics

It continues to fly along the same horizontal arc but increases its speed at the rate of 1.41 m/s.Find the magnitude of acceleration under these new conditions. Answer in units of m/s

152. math

Determine the standard matrix D of the linear mapping G: R^2-->R^2 that first rotates points clockwise through pi/6 radians and then reflects points through the line x2=x1

153. Calculus 1

A piece of wire 23 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. (a) How much wire should be used for the square in order to maximize the total area? (b) How much wire should be used for

154. math-linear algebra

Determine the standard matrix D of the linear mapping G: R^2--R^2 that first rotates points clockwise through pi/6 radians and then reflects points through the line x_2=x_1

155. math-linear algebra

Determine the standard matrix A of the linear mapping L:R^2-->R^2 that rotates any vector through an angle of 150 degrees in the clockwise direction.

156. math-linear algebra

Determine which of the following mappings are linear mappings. A. The mapping L defined by L(x_1, x_2 ) = (4x_1- 2x_2, 3 |x_2|). B. The mapping L defined by L(x_1, x_2 ) = (2x_1-3x_2, x_1+4, 5x_2). C. The mapping L defined by L(x_1, x_2, x_3 ) =(x_1, 0 ,

157. math

How can x-8 be modeled by being described as a situation? Answer:8x

158. chemistry

Determine the number of photons: A certain photon detector receives a signal of total energy 4.05*10^18 Joules from radiation of wavelength 535.00nm. (The only equation I can think to use is E(energy)= 6.63*10^-34 * (C(speed of light) / wavelength, but

asked by Brooke N
159. AP Physics

A car does 8.0 ✕ 104 J of work in traveling 2.7 km at constant speed. What was the average retarding force (from all sources) acting on the car?

160. Math

At a movie adults pay \$4 and children pay \$2.50. The cashier collected \$300 for 99 tickets. How many adults and how many children attended the movie?

This is a little difficult... Graph the Function y=3 less than the absolute value of x+2 Obviously you cannot show me this on a graph, but I just need help with solving the equation... Thanks!!!

162. Math

An airplane flying an altitude of 34,000 ft descends at a rate of 25 ft per second. What is the height of the plane after 3 minutes?

163. top ville college

Chemistry What volume of carbon (iv) oxide at s.t.p is evolved when o.5moles of NaHCO3 is heated

164. history

what demands did the delegates make in the convention of 1832?

165. physics

An object of mass 2kg is pulled to the right w/a force of 20N. The force makes an angle of 20o w/ the displacement axis. If the interface is rough w/a coefficient of kinetic friction 0.3, what's the net force along the diaplacement axis?

166. math

i need HELP ON 22 problems!!!!!!!!!! PLZ HELP ME!!!!!

167. Alegebra

I need some help just setting up an equation for this problem, I cannot figure it out. One train travels from A to B at 19mph. A second train travels from B to A at 21 mph. One hour before the trains pass each other, how far apart are they?

168. chemistry or physics

What is the speed of light in scientific notation?

asked by Brooke N
169. Algebra

Find the slope of the line through the pair of points. A(2, –3), P(2, 9) A. 0 B. 2/3 C. -1/3 D. undefined

170. Children Development

Name and describe the 4 distinct elements of language. 1.Phonology refers to the sounds of language. 2. Semantis denotes the study of words and their meaning. 3. Syntax it refers to rules that specify how words are combined to form sentences. 4.Pragmatics

171. Physics

What is its centripetal acceleration? Answer in units of m/s 2 .

172. science

pftba is found in extremely low concentrations (0.18 parts per trillion) but it has a great impact on climate. if pftba concentrations increase, predict what will happen to the climate

173. College Physics

A 10 kg mass (initially at rest) is attached to a rope, which is wrapped about a thin-walled hollow cyclinder of diameter D = 50 cm and mass = 20 kg. After the 10 kg mass drops a distance of 1.4 m, what is the angular speed of the cylinder? What is the

174. Precalculus

Find each of the sums indicated or described. Show use of the appropriate formula, rather than simply using a calculator to add them. 1) The sum of the first 17 terms of a geometric series with a first term of 3000 and a common ratio of 1/2. 2)

175. English

There can be a champion in each of us. =========================== What does the sentence mean? #1 or #2? Would you exxplain the meaning in detail? Thank you. 1. There can be a champion among each of us. A person can be a champion and another person cannot

176. Chemistry- Dr. Bob

Why doesn't Rb react with N2?

177. Unit 1

Math 36 less the product of 6 and times

asked by Mercy brown
178. Math

Divided 120 into two part so that thrice the smaller one is equal to twice the larger one?

asked by The difference between three-fourths and number
179. MLA citation

So I need to cite an article in this sentence: According to an article from the Huffington Post titled "Textual Harassment-- Another Form of Bullying", “it means repeatedly sending offensive, inappropriate, and unsolicited texts aimed at bullying,

180. maths

In TRIANGLE ABC points P,Q,R arethe points lies inside triangle in such a way that Ap= PR, BQ=QP &QR=RC n area of triangle PQR =100 then find the Area of ABC

181. Algebra

Is this equation right for the scenario? Jacob has a total of 24 marbles. He had 8 blues marbles and 4 red. How many more does he need to equal 24? 4w+8=24 4w+8-8=24-8 4w=16 4w/4=16/4 W=4

182. math

A varies as the square of B and inversly as C. When A is 6 B is 5 and C is 100. Calculate A when B is 12 and C is 72.

183. Louisiana State History

1.What protects U.S. producers from the competition with foreign producers who produce cheap goods? A. Free trade B. Inflations C. Tariffs D. NAFTA

184. chemistry

how can you test to see if a light with wavelength 413nm is the same light with a frequency of 6.26*10^14Hz?

asked by Brooke N
185. Composition

Sentence (1): Because of inspection devices, ordinary people lose their privacy. Although police say only criminals fear cameras, many people do not trust governments with too much information. Corrupt authorities may use and twist personal information in

186. Physics

A train speeds up from a speed of 5 meters per second to 15 meters per second, taking 15 seconds to do so. –Find the acceleration of the train.

187. math

one number is greater than 3 times the other number by 3. Four times the smaller exceeds the greater by 2 find the number.

188. history

why would austin give additional acres for a man's wife and children?

189. Math

Triangle ABC ~ Triangle ADE AD=5; DB=3.5; BC=5.1; AE=6; EC=x What is the length of AB? What is the length of DE? Write an expression that represents AC? What is the length of EC? What is the length of AC?

190. Math

Please help me with this home work Triangle ABC ~ Triangle ADE AD=5; DB=3.5; BC=5.1; AE=6; EC=x What is the length of AB? What is the length of DE? Write an expression that represents AC? What is the length of EC? What is the length of AC? Thank you

191. -------> history<--------

what demands did the delegates make in the convention of 1832?

192. chemistry

What is the wavelength, frequency, temperature, and type of the electromagnetic radiation that has: a. 90% the speed of light b. 50% the speed of light c. 10% the speed of light d. 5% the speed of light e. 1% the speed of light

asked by Brooke N
193. English

Posted by rfvv on Tuesday, November 10, 2015 at 5:23pm. 1. Yosemite is famous for its natural wonders. 2. We arrived at Yosemite in the afternoon. ===================== In the sentences above, what does "Yosemite" mean? Is it Yosemite Valley or Yosemite

194. Physics

Air consists of molecules of several types, with an average molar mass of 28.95g. About how many molecules does an adult who inhales 0.50L of air at sea level take in? The answer should be 1.3x10^22

195. Feedom Similes

I cant think of any similies about freedom can you give me some ideas

196. sanket study centre

In triangle ABC p,q,r such that they lie interior of triang ABC and AP=AR and all the three sides of triangle PQR are scalan if area of triangle PQR is 100 then find area of triangle ABC

197. English

What may be a primary source when doing research about organic foods?

198. Math

Please help me to learn how to compare the below. 1. 23 in to 2 ft 2. 25 yd to 75 ft 3. 6,200 ft to 1 mi 900 ft 4. 100 in to 3 yd 1 ft 5. 1,000 ft to 300 yd 6. 500 in to 40 ft

199. chemistry

how do you go about to find the grams that will react with 90g acetic acid

200. precalcus

what is the rational equation of a function with intercepts at (8,0) and (0,0.16) and a horizontal asymptote at y=0.5 and a vertical asymptote at x=3 and a removable discontinuity at (3,-1)

what point of view is it if the text says he ,and his? please answer asap! thank you!

202. Algebra

60 decreased by the quotient of a number and 4. I am reading it as: n-4/60 Am I correct?

203. history

enslaved people did not own land. who received the acres designated for each slave?

204. Physics

A car’s velocity decreases at a constant rate from 22.0m/s to 10.0m/s over a period of 3.0s. –What is the car’s average acceleration?

205. Social Studies

What present day states belonged to Mexico in 1820?

206. English

Linda got in home in London, after taking leave from training. Any mistakes in this sentence.

207. spelling

Does any one know the vocabulary words for the story cougars

208. southwest

5650 is compounded semiannually at 18% for 16 years

209. mATH

Mr. Adams said that 10 more than 7 times his age is 9 years fewer than 5 times his age with the digits reversed. How old is Mr. Adams?

210. Calculus

Evaluate using Integration by Parts. x^2 cos(3x) dx

211. sosial studies

Happy Veterans Day!!! If you are from a country outside of the United States, do you have a day to remember soldiers who died in wars? I think yes? Am i coreect? Answer ASAP

212. science

What would be the volume of a gas inside a 360cm box?

213. Geography

Migration issue on the Haitian Guantanamo Bay Cuba

214. math!!!

5m/2 - 1.002 + 0.93

215. History of Muslims

1)what is the reason for the battle of uhud? 2)why did Wahshi al habashi want to kill hamza (the prophet mohammad's uncle)? 3) What was the prophet's plan on this battle ? 4)how many soldiers were in the muslims army and in the meccan army? 5)Why did the

216. history

the consultation created a provisional government that consisted of each of the following exept

217. English

I need one more haiku for my assignment(I have already created 4, I need 5) My brain has run out of ideas! It should be about "A Lost Love"

218. Biology

What is formed when water molecules breaks apart?

219. math

Im a two digit number.The sum of my digits is nine.My tens digit is twice my ones digit.

220. science

Why is biological classification important?

221. English (I really need help!)

I need one more haiku for my assignment(I have already created 4, I need 5) My brain has run out of ideas! It should be about "A Lost Love"

222. maths

there were 32 boys and 13 girls in a school football team they wanted to play 5 a-side football how many teams can they make?

What is the slope? (1, 7), (10, 1) A. 3/2 B. -2/3 C. -3/2 D. 2/3

HELP ME ASP

Nothing.

226. Math

hello what is b + 6 1/8= 5 3/4

227. English

Does this count as a good primary source when doing research on GMOs and health effects? ncbi.nlm.nih.gov/pmc/articles/PMC2706426/

228. math

1.)2.5 pounds to kilograms 1 kilogram =2.2 1.1kg 1.8kg 5.5kg 4.7kg 2.)2/8=x/48 6 12 is this correct one 16 8 3.)18/20=k/110 99is this correct one 122 3.3 2.9

229. MaTH

1. -1/2 + 1/3 2. -3 1/5 + (-6 1/2) 3. 5/8 - (-2/8) 4. -9/10 - 2/5 5. 6 3/5 - (2 1/5) Please help thanks

asked by DEEZ GOT HEE
230. Composition

Can someone help me figure out a sentence from my conclusion CONNECTING BACK TO THE INTRO?? Or what can I say to connect back to my intro?? Thankyou to anyone who helps! (: My Intro: In the workplace, a new security installment begins in the workplace.

231. Carson high

Lifetime Healtj Describe how self esteem develops

asked by Katherine mellow
232. math

Find the inverse of the function f(X)= 2x^2 - 3