# Questions Asked onSeptember 23, 2013

1. ## Chemistry

Select the statements that correctly describe buffers.? 1) The pH of a buffer solution does not change significantly when any amount of a strong acid is added. 2) The Ka of a buffer does not change when any amount of an acid is added to the buffer

2. ## math

Noah built a fenced dog run that is 8 yards long and 6 yards wide.He placed post at every corner and every yard along the length and width of the run.How many post did he use?

3. ## Math

If sin(x) = 1/3 and sec(y) = 29/21 , where x and y lie between 0 and π/2, evaluate the expression using trigonometric identities. (Enter an exact answer.) cos(2y)

4. ## statistics

suppose that grade point averages of undergraduate students at one university have a bell shaped distribution with a mean of 2.55 and a standard deviation of 0.43. Using the empirical rule, what percentage of students have grade point averages that are

5. ## Property help

Which property is illustrated by the following statement (3z)xy=3(zx)y Associative property of multiplication Communative property of Multiplication Inverse property of multiplication Communative of Addition My answer is commnative property of addition am

6. ## Physics

A novice golfer on the green takes three strokes to sink the ball. The successive displacements of the ball are d1 = 4.00 m to the north, d2 = 1.90 m northeast, and d3 = 1.00 m at θ = 30.0° west of south (figure below). Starting at the same initial

7. ## AP Physics

A pail of water is rotated in a vertical circle of radius r = 1.49 m. The acceleration of gravity is 9.8 m/s 2. What is the minimum speed of the pail at the top of the circle if no water is to spill out? Answer in units of m/s

8. ## chemistry

A laser pulse with wavelength 540 nm contains 4.40 Mj of energy. How many photons are in the laser pulse?

9. ## Chemistry

How many moles of H2O are in 3.00L of water? (d=1.00g/mL)

10. ## physics

a golf ball of mass 0.045kg is moving in the x-direction with a speed of 9.0 m/s, and a baseball with mass 0.145kg is moving in a negative y-directionwith a speed of 7m/s. what are the magnitude and direction of the total momentum of the system consisting

11. ## Computer Science

Write a program that reads the subtotal and the gratuity rate in this order, then computes the gratuity and total. For example, if the user enters "10" for subtotal and "15" (%) for gratuity rate, the program displays "1.5" as gratuity and "11.5" as total.

12. ## Physics

Children sled down a 45 m long hill inclined at 26 degrees. At the bottom, the slope levels out. If the coefficient of friction is 0.1, how far do the children slide on the level ground?

13. ## English

What type of clause or phrase is italicized in the sentence below? The play, a three-act farce, amused everyone.

14. ## english

In the following sentence, identify the part of speech of the italicized word. Catching fish is one of the oldest pastimes. the italicized word is is. A. Adverb B. Conjunction C. Preposition D. Verb I thought it was a preposition at first but after some

15. ## Algebra

4. A shipping crate has a square base with sides of length x feet, and it is half as tall as it is wide. If the material for the bottom and sides of the box costs \$2.00 per square foot and the material for the top costs \$1.50 per square foot, express the

16. ## physics

A bullet was fired horizontally from the top of a 1.5x10^2 m tall tower at 2.8x10^2 m/s. Determine its speed on impact with the ground below.

17. ## math

a cookie recipe calls for 2 1/4 cups of flour.the yield of the recipe is two dozen cookies.how much flour goes into each cookie?

18. ## Physics

Children sled down a 45 m long hill inclined at 26 degrees. At the bottom, the slope levels out. If the coefficient of friction is 0.1, how far do the children slide on the level ground?

19. ## PHYSICS

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 µC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C

20. ## Math

a 13 ft by 27 ft rectangular swimming pool is surrounded by a walkway of uniform width. if the total area of the walkway is 384 ft^2 how wide is the walkway

21. ## Math Word Problem

Stefany ran 2 miles each day for 14 days. How many miles did she run in 14 days? Explain two different ways to solve this problen, and then solve

22. ## statistics

air coin is flipped 20 times. a. Determine the probability that the coin comes up tails exactly 15 times. b. Find the probability that the coin comes up tails at least 15 times. c. Find the mean and standard deviation for the random variable X giving the

23. ## Chemistry

Table salt, NaCl, and sugar C12H22O11 are accidentally mixed. A 5.50g sample is burned and 3.60g of CO2 is produced. What was the mass percentage of the table salt mixture?

24. ## chemistry

Which of the following is a precipitation reaction? I. 2 Mg (s) + O2 (g) → 2 MgO (s) II. SO3 (g) + 2 H2O (l) → H3O+ (aq) + HSO4- (aq) III. Pb2+ (aq) + CrO42- (aq) → PbCrO4 (s) IV. 2 H2O (g) → 2 H2 (g) + O2 (g) V. Ag+ (aq) + 2 NH3 (aq) →

25. ## history

were anti-federalists mainly southern states, and federalists were northern? did they compromise by federalists adding the bill of rights into the constitution, that way it could be ratified?

26. ## geometry

Earth completes one full rotation each day, making the Sun appear to rise and set. If the Sun passes directly overhead, by how many degrees does its position in the sky change every hour?

27. ## Florida career college

The medical practice uses 48-inch-wide shelving units, which hold 46 inches of files per shelf. There are eight shelves. This means each unit can hold 8x46 inches = 368 inches . How many shelving units does the practice need to store its patient records?

28. ## Physics

Liz rushes down onto a subway platform to find her train already departing. She stops and watches the cars go by. Each car is 8.60 m long. The first moves past her in 1.70 s and the second in 1.52 s. Find the constant acceleration of the train.

29. ## Lubrication

A pump fitted with 50mm bore ball bearings uses an oil whose viscosity ranges from 100cSt at cold pump start-up to 7.5Cst when running at maximum speed and load. If these viscosities are the safe limits for the oil, specify the maximum start-up speed and

30. ## Math

If I put 4,736 marbles into groups of 100, how many groups would I have? Show how you figured it out.

31. ## Geometry

Line BD bisects angle ABC. Angle ABC= 9x. Angle ABD= 4x+13. Finds angle DBC

32. ## Chemistry

If a student used an iron scoopula, instead of a plastic one, to add the unknown metal to the HCl solution, will it affect the calculated molar mass of the unknown metal? If so, how? Justify your answer with an explanation.

33. ## world history

Comparing and Contrasting-In what ways are modern burial practices similar to those of the ancient Egyptians? How are they different?

34. ## Law

1. The Eighth Amendment to the U.S. Constitution prohibits what two types of punishment? A. Harsh, typical B. Cruel, unusual C. Cruel, justified D. Cruel, mean is it B 2. What are the two types of mistake in respect to criminal law? A. Mistake of law and

35. ## Chemistry

Can calcium hydroxide solution be used to distinguish Co(NO3)2 and Fe(NO3)3 solutions using only the titration technique? Justify your answer with an explanation.

36. ## physics

A flow calorimeter is used to measure the specific heat of a liquid. Heat is added at a known rate to a stream of the liquid as it passes through the calorimeter at a known rate. Then a measurement of the resulting temperature difference between the inflow

37. ## Math

Find two numbers the exact answer is between 4 x 94

38. ## English

What is an example of activating prior knowledge when reading a story? a. Use what you already know about a topic to help you understand the story. b. Write down questions about the story while you read. c. List unfamiliar vocabulary so you can look it up

39. ## physics

A cylinder with a piston contains 0.3 kg of water at 100 degrees C. What is the change in internal energy of the water when it is converted to steam at 100 degrees C at a constant pressure of 1 atm? The density of water is 1000 kg/m^3 and that of steam is

The problem is a(a-c)=23. Solve for c if both a and c are positive numbers. Thanks

41. ## Physics

Just as a car tops a 47 meter high hill with a speed of 36 km/h it runs out of gas and coasts from there, without friction or drag. How high, to the nearest meter, will the car coast up the next hill?

42. ## science. -_-

Okk so im not asking for answers, i just need somone to expplain this homework to me! I don't get it what so ever. So the homework tittle is Weight in space. So it has a whole discripition in wjich i will write dpwn for you. The paper says: Gravity is an

43. ## Literature

In "Gumption," why does Charlie Oyster's father challenge the WPA men's decision to give Charlie a road work job instead of an office job? A. He thinks it is unfair that Sylvester got an office job rather than Charlie. B. He insists that Charlie will learn

44. ## English

Use context clues to define the word treacherous below. The treacherous equipment in the mills was unsafe for the workers, yet small children were forced to climb around and under it every day. a. broken b. dangerous ? c. imposing d. shaking

45. ## AP Chemistry

redox reaction: Hydrogen peroxide is added to an acidified solution of potassium permanganate. what is the total redox reaction?

46. ## finance

An investor is thinking about buying some shares of Computer Engines, Inc., at \$60 a share. She expects the price of the stock to raise to \$100 a share over the next 3 years. During that time, she also expects to receive annual dividends of \$3 per share.

47. ## physics

the earth is approximately sphere of radius 6.37*10^6 meter.what is its surface area in square km? what is its volume in cubic km?

48. ## math

I 64 men do a job in 15 days how many more men are needed to do the job in 12 dsys?

49. ## Math

The cost of a telephone call is 75 cents plus 25 cents times the number of minutes

50. ## physics

Matt Ashell, world famous downhill skier, waxed his skis with the wrong kind of wax and ended up with a relatively high coefficient of friction of 0.40. If Matt, who weights 667.5 N is on a downhill slope of 38 degrees, will he slide without a push?

51. ## Physics

A certain type of ideal gas at pressure p0 is contained in a plugged flask of volume V initially at temperature T1 . The environmental pressure remains constant p0 . (a) As the flask is heated up to temperature T2 , the plug pops out. What is the pressure

52. ## physics

A kitten pushes a ball of yarn rolling toward it at 1.00 cm/s with its nose, displacing the ball of yarn 17.5 cm in the opposite direction in 2.00 s. What is the acceleration of the ball of yarn?

53. ## math

the sum of three even consecutive integers if the first integer is y.

54. ## Phyics

One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which is 2.16 km. They start at the west side of the lake and head due south to begin with. (a) What is the distance they travel? (b) What is the magnitude of the

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55. ## physics

A soccer ball is kicked from the ground with an initial speed of 18.9 m/s at an upward angle of 47.0˚. A player 54.4 m away in the direction of the kick starts running to meet the ball at that instant. What must be his average speed if he is to meet the

56. ## Geography (Ms. Sue)

How might the overall population densities of the Latin America's landmass and population to those of the United States compare?

57. ## Physics

A cylindrical copper rod of length 1.20 m and cross-sectional area 5.60 cm^2 is insulated to prevent heat loss through its surface. The ends are maintained at a temperature difference of 100 degrees C by having one end in a water-ice mixture and the other

58. ## math

The Survey of Earned Doctorates regularly assesses the numbers and types of doctorates awarded at U.S. universities.It also provides data on the length of time, in years, it takes to complete a doctorate. Below is a modified list of this completion-time

59. ## anatomy

the lungs are lateral to the heart?

60. ## Calculus

Find the Taylor series of f(x) = sin(x) at a = Pi/3.

61. ## Physics

Assume that the maximum aperture of the human eye, D, is approximately 8 mm and the average wavelength of visible light, λ, is 5.5 x 10-4 mm. a. Calculate the diffraction limit of the human eye in visible light. D = 8 mm = 0.008 m λ = 5.5 x 10-4 mm = 5.5

62. ## Math

The research department in a company that manufactures AM/FM clock radios established the following cost, and revenue functions: R(x) = x(50-1.25x) C(x) = 160 + 10x where 0 < x < 20. a) Determine when R = C (to the nearest thousand units. e.g. 6.247)

63. ## Physics

An oxygen tank of volume V is stored in a medical laboratory. Initially, the tank is full of compressed oxygen at pressure p_{0} . Lab regulations require a refill when the pressure in the tank drops to p_{2} so as to avoid contaimination by impure gas.

64. ## grammar

what is the simple and complete predicate in this sentence: She and her classmates practice their English with each other.

Michelle needs to save \$7,000 for school in the next two years. She found a bank that offers a 9% interest rate compounded annually. What does she need to deposit at the beginning of the year to have enough money for school?

66. ## Pure Mathematics

4) The roots of the equation z^2+2z+4=0 are denoted by α and β. a) find α and β in the form re^iθ, giving the values of r and θ b) Using de Moivre's Theorem, show that α^3=β^3. c) find the exact value of αβ*+α*β

67. ## math

how can making small groups help estimate large numbers

68. ## Social Studies

The Spanish, the Dutch, the French, the Portuguese, and the British are all examples of what? What are they called?

69. ## Finance

Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for \$400 million. Since the primary asset of this business is real estate, Templeton's management has determined they will be able to borrow the majority of

70. ## Phyics

Two rockets are flying in the same direction and are side by side at the instant their retrorockets fire. Rocket A has an initial velocity of +5800 m/s, while rocket B has an initial velocity of +9100 m/s. After a time t both rockets are again side by

71. ## math

A small grill can hold two hamburgers at a time. If it takes 10 minutes to cook one side of a hamburger, and 5 minutes to cook the other side, then what is the shortest time needed to cook both sides of three hamburgers?

72. ## Physics 102

What would be the path of the Moon if somehow all gravitational forces on it vanished to zero?

73. ## Physics

The frequency of a centrifuge is 60 Hz and its radius is 0.15 m. What is the centripetal acceleration of an object in the centrifuge at a distance of 0.15 m from the center?

74. ## Math

The sum of three times a first number and twice a scond number is 43. If the second number is subtracted from twice the first number, the result is -4. Find the number. Mainly I can't figure out is this is two problems in one or just one.

75. ## Math

The length of a rectangle is twice the width. The perimeter is 84 cm more than its width. Find the dimensions.

76. ## Fcc

Using the average 1/2-inch thickness, how many inches of shelf space will be required for 40,000 charts?

I am inside the path. (7,6,9,3) I am the difference of 2 numbers outside the path (7,8,5,6) What number am I?

78. ## Math

a group of friends went on a hiking trip. they planned to hike a total of 38 miles. they want to complete 25% of the hike by the end of the first day.

79. ## Math HELP!!

The water level of a lake decreases by 6 inches over 3 years. What is the mean yearly change in the water level?

80. ## Physics

In a fully surfaced submarine, a certain amount of air at temperature T1 is compressed into a tank of volume V at pressure p1 . As this submarine dives deeply, the temperature of the compressed air drops substantially to T2 , whereas the pressure becomes

81. ## Physics

At t = 0, an automobile traveling north begins to take a turn. It follows one-quarter of the arc of the circle of radius 9.8 m until, at t = 1.38 sec, it is traveling east. The car does not alter its speed during the turn.

82. ## geometry

For 1 through 10, what is the area and volume of the given shape, if the length of one side of the base is 6, the height is 8, and the slant height is 10? (Not all shapes will require all three numbers.) The shape is a right prism with: 1. an equilateral

83. ## language

What is the simple predicate in this sentence: Renewable resources include air and water.

84. ## Math

If two angles of one triangle are congruent to two angles of another triangle, then?

85. ## biomechanic/physics

A person applies an 80-N pulling force 25 degrees counterclockwise with respect to the right horizontal to a 100-N box. The coefficient of static friction between the box and the floor is 0.85. Will the box slide?

86. ## Physics

A block of ice at 0 degrees C, whose mass is initially 40.0 kg, slides along a horizontal surface, starting at a speed of 5.26 m/s and finally coming to rest after traveling 22.5 m. Compute the mass of ice melted (in grams) as a result of friction between

87. ## physics

An electron at ground state in the atom (-10.38eV)is struck by a passing electron with 7.00eV of energy. What is the velocity of the passing electron afrer the collision?

88. ## Child day care management

One can encourage children to engage in sociodramatic play by

89. ## Social studies

Louisiana is home to a variety of cultural groups. Identify four cultural groups found in the state and describe how each has influenced Louisiana.

does the article have an argument, call of action, claims, submitted to support each of the claims, counterargument, and the rebuttal to the argument. the final bell rings. it's the last day of school, and summer has finally come! students don't don't have

91. ## Social studies

Demonstrate an understanding of movement and acculturation by tracing the development of Cajun food and culture .

92. ## Math

what is the ratio of 4 engines to 18 box cars....trying to help my son in math???

93. ## health

2. Rene Dubos defined health as "a quality of life"...on the part of the individual and is associated with the Medical Models of Health. Is this true or false?

94. ## Child day care management

To determine liability one must figure out who is legally

95. ## chemistry

the density aniline c6h5nh2 is 1.02g/mL how many molecules are present in 1.00Lsample

96. ## Math

Three bells begin to toll together and toll respectively at intervals of 6, 8, and 12 seconds. After how much time will they toll together again???

97. ## Math

Find an inverse variation equation that models the data. Length 4,6,8,9,10 Weight 24, 16,13,11,9

98. ## Physics

What is the car's forward acceleration,at a speed of 30m/s,when the driving force on the wheels is 650N

5x+4x-27=81

100. ## mathematics

A book seller purchased 117 books out of which 45 books of mathematics and 72 books of physics.Each book has same size .Mathematics and Physics books are to be packed in bundles and each bundle must contain same no. of books.Find the least number of

101. ## Hisory

Based on the one of Woodrow Wilson's 14 points, how would freedom of navigation on the high seas benefit France, Great Britain, Italy, Poland, and Serbia as countries individually? Based on the one of Woodrow Wilson's 14 points, how would the creation of

102. ## math

Jon makes a bar graph that shows the number of dogs owned by members of his class. if the smallest number is 1 and the largest number is 4; what interval should Jon use?

103. ## math

how do I write 20,000,000+ 70,000+4,000+900 in standard form

104. ## English

Mother Jones asked various newspaper publishers about why they didn't write about child labor in Pennsylvania. The publishers told her they couldn't, since owners of the mills also owned stock in their newspapers. "Well, I've got stock in these little

105. ## physics

Neon-20 has a nuclear mass of 19.992439 amu. the total nuclear binding energy for Ne-20 is? (Mprotons=1.6726x10^-27 kg) (Mneutron=1.6749x10^-27kg)

106. ## Social studies

Louisiana is home to a variety of cultural groups. Identify four cultural groups found in the state and describe how each has influenced Louisiana .

108. ## history

use ten adjectives to describe ghost towns. I got: 1-abandoned 2-ancient 3-lonely 4-broken down 5-old 6-empty 7-sad 8-quiet I still need 2 more adjectives, but I am all out of ideas.. please help, thank you

109. ## psychology

Discuss the social and psychological implications of taking a strictly nature view and the social and psychological implication of taking a nurture view?

110. ## English

1. The king covered the cost of street lighting. 2. The nex tax covered the cost of street lighting. (Are both sentences grammatical?)

111. ## PSC 101

How much heat is needed to raise the temperature of 130 g of copper from 31c to 77c ?

112. ## Analyzing with ANOVA

Submit your answers to the following questions using the ANOVA source table below. The table depicts a two-way ANOVA in which gender has two groups (male and female), marital status has three groups (married, single never married, divorced), and the means

113. ## wgu qlc

isosceles proof prove that angle dgf is isoceles given line eg bisects angle def edg is congruent to efg

114. ## PHYSICS

Two facts: A freely falling object at Earth’s surface drops vertically 5 m in 1 s. Earth’s curvature “drops” 5 m for each 8-km tangent. Discuss how these two facts relate to the 8-km/s speed necessary to orbit Earth.

115. ## Math

Alaska has 18 national parks.if you add zero to that number,you get the number of national parks in virgina.how many national parks are in Virginia?how do you know?

116. ## Law

A bedrock principle underlying the First Amendment is that the government may not prohibit the expression of an idea simply because society finds the idea itself possesses which of the following? A. Offensive, disagreeable B. Meaningful, acceptable C.

My teacher made us read Anne Frank Remembered and I was absent for a few days so now I have to do a presentation tomorrow on something I found that related to the novel but the novel just confused me ALOT and I have no idea what to do for my

I have a presentation due tomorrow on a connection that I made with the Anne Frank Remembered novel but I cant think of an item that I can connect to the novel.. I need help. It has to be one paragraph about the connection and it can be a song,poem,or

119. ## phyics

In an historical movie, two knights on horseback start from rest 94.3 m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of 0.273 m/s2, while Sir Alfred's has a magnitude of 0.280 m/s2. Relative to Sir

120. ## Social studies

Demonstrate an understanding of movement and acculturation by tracing the development of Cajun food and cultural.

121. ## EDU 490 Interdisciplinary Capstone

Shelby teaches 9th grade Social Studies at a small high school in the rural plains of Kansas. Most of her students are farm kids who will end up working their parents’ farms for the duration of their time in Kansas. In order to make use of the abundant

122. ## basic english

Complete the following sentence with a word or words that show a logical relationship. Joshua took a nap _____ sorting the mail.

123. ## Algebraic Expressions

ic expression for the following word phrase product of 7 and the sum of 3 and z is it 3+7 ---- 7 please help Thank you

125. ## Math

The area of each trapezoid is 3 times the area of one triangle. The area of one triangle is six square units. What is the total area of the figure in square units?

126. ## math

What is the benefit of creating a visual distribution of data rather than simply looking at a list of the data?

127. ## Literature

What literary device pertains to this sentence? 1. The smashed hulk of metal, twisted and shaped into awkward, unlikely angles, lay on its side; one rear wheel spun slowly. Ruefully, the man said to his companion, "i'll bet i finally got rid of that squeak

128. ## Math

Another problem with my checking. The teacher says the answer is 280 but when I try to check it I never get the right one (24-d)/16=19

129. ## Phyics

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.48 m/s. The car is a distance d away. The bear is 30.5 m behind the tourist and running at 6.67 m/s. The tourist reaches the car safely. What is the

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130. ## English

I was humiliated when the post office called us one Sunday requesting that we pick up immediately a package of rotting food. Actually, it was just some pungent daikon (long white radish), sent by a friend who knew Papa loved eating it with rice and hot

131. ## Drive in Movie Theaters

research 3 reliable sited websites for text information for Drive in Movie Theater and at least 3 websites of historical information

132. ## health

Is it true that societal health determinants are predicated on policy?

133. ## English

Robin Hood would steal from the rich and give to the poor. (What tense is the sentence in, past or present?)

134. ## English

What literary devices does these three sentences pertain to? 1. I am guiltless in the matter, so I wash my hands if it. 2. I had to wait an eternity for the file to download. 3. Her emotional problems placed a wall between her and her family. ( an attitude

135. ## algebra

if it takes you half an hour to travel 26 miles to work what is your average speed

136. ## PSY 102

I REALLY NEED HELP BADLY WITH THESE QUESTIONS SOMEONE PLS HELP..... Why do the passengers in high-altitude jet planes feel the sensation of weight while passengers in the International Space Station do not?

Hypothetically, how hot do you think a green star would be?

138. ## American history

The religion that is sometimes called Central America is actually apart of what continent.?

139. ## Science

Why are the different gene combinations in the zygote important to survival of the species. Please help Thank you!!!!

The school received 14 rolls of free movie tickets from a local theater. There are 48 tickets in each roll. The school has 32 classes of 24 students each. If the school plans to give one ticket to each student, which of the following statements is true? A.

141. ## math

What is the benefit of creating a visual distribution of data rather than simply looking at a list of the data?

142. ## math

P lease need help with the following 4,830.5 divided by 5 round to the nearest hundredth. and 68.1 divided by 13 also rounded to nearest hundredth

143. ## Physics

In a Joule experiment, a mass of 1.00 kg falls through a height of 50.0 m and rotates a paddle wheel that stirs 0.600 kg of water. The water is initially at 15 degrees C. By how much does its temperature rise (in degrees C)?

144. ## math integers

-2-(-3)-(-4)+5+6= Please show work I get 14 and when I do it on a calculator its 16

145. ## English

What literary devices does this sentence pertain to? Love enfolded us in her arms.

146. ## HIstory

Why did the United States and the French support the creation of an independent Polish state in the Treaty of Versailles? How would the creation of an independent Polish state benefit the other allies?

147. ## algebra

The perimeter of a collrge athletic field is 104 meters and the length is 18m more than the width.Find the length and width.

148. ## physics

An electron at ground state in the atom (-10.38eV)is struck by a passing electron with 7.00eV of energy. What is the velocity of the passing electron afrer the collision?

149. ## SS

What is demographic and how is it related to the history of America?

150. ## math

find two numbers the exact number is between. my daughter is estimating products.

5+4.(8-6)

152. ## Math

Gregory filled a tank with 4 1/2 gallons of water. Linda filled the same tank with anothewr 2 1/3 gallons of water. finally, Meg added another 2 gallons of water. How many gallons of water were added to the tank?

153. ## English

So Keiko and I would bring out our white baby dolls with brown hair and green glass eyes and place them around the table as well. Identify the prepositions in the sentence. Choose all which apply. a. would b. with c. place d. around I'm having some trouble

154. ## Calculus

I hate these Y= (Square root of x) - 2 ________________________ (square root of x) + 2 Calculate dy/dx Please help, thank you

155. ## history

what is a good website to describe a boom town in the west in the 1800s. a website of what they do there and what occurs during a typical day of mining.. including techniques of mining, description of the town, the mines, and the town's inhabitants... also

156. ## social studies

What is an example of the relationship between a Louisiana and cultural diffusion ? a) the demonstration of making file powder for gumbo at creole heritage day b) hands-on children activities at fest for All c) eating strawberry festival in Ponchatoula d)

157. ## Child day care management

I need to check my answers for exams number 00385300 working with school-age children

158. ## Math

Can I get help on just 3 questions? -6x + (1 - 3x) x 8 (r-1) x -3 - 3 (n-4) x -7 +7 Thanks

159. ## History

What are the disadvantages and advantages of international waters? How does the creation of international waters benefit countries such as the US, France, Britain, Poland, Serbia, Italy ?

160. ## math

Find two numbers the exact answer is between 3*567 Need help with this problem

161. ## biomechanic/physics

, what effect on Flim was produced by a) changing the nature of the surfaces, b) changing the normal force, and c) changing the area of contact between the surfaces? Be sure to cite specific results that support your responses to parts a-c.

162. ## Trig

(x+1)(x-4) is greater than or equal to (x-2)^2

163. ## math

If you purchase an item for \$1,242 at an interest rate of 9.8%, and you finance it for 1 year, how much is the amount of add-on interest? (Round your answer to the nearest dollar.)

164. ## What is 30 x 6?

I did,, 30 30 >60 30 30 >60 30 30 >60 +___ 180

5a+2=7

166. ## algebra 2

How would you solve 3x^2+8x-91=0 and 9r^2+4r+2=0 using the quadratic formula?

167. ## Math

I think I'm doing the process wrong since I know the answer isn't 20 but that's the only thing I'm getting. 11-15f=24

168. ## Pure Mathematics

1) i) use an algrbraic method to find the square root of 2+i√5. give your answer in the form x+iy, where x and y are exact real numbers ii)hence find in the form x+iy where x and y are exact real numbers, the roots of the equation z^4-4z^2+9=0 iii) show

Solve 3p-6q = 0 4p+1q = 3 Using any method Thank you!!!!

170. ## @writeacher question

i have a question that is similar to the one you helped me in

171. ## English

1. The king created a new tax to cover the cost of street lighting. 2. The king created a new tax so that he could cover the cost of street lighting. 3. The king created a new tax which covered the cost of street lighting. 4. The king created a new tax

172. ## Math

The number 57733conteins two set of digits in which one digit is ten times as great as the other what are the values of the digits in each set

173. ## social studies

how to improve writing skills?

174. ## Math

I still can't understand this one.In class we got 42 but I got 48 and when I check it none of them match up 4/8y-21=3 What is y?

175. ## English

What literary device would pertain to these sentences? 1. He leaned hard against the wall. (Upright structure which encloses something or serves as a boundary) 2. "It was not the buildings or arch that made the children gasp. It was how the buildings were

176. ## Math

Please help! 1) -6 + 5(-5 - 3m) 2) -3 + 4(x + 2) 3) 3(1 + 5n) - 6n 4) -6b - 6(3 -4b) 5) -6x + (1-3x) x 8 6) (r - 1) x -3 - 3 7) (n - 4) x -7 + 7 8) -4(6 + 4v) + 7 Thanks.

177. ## Math with applications

Find the vertex of 1. F(x)=3(x-c)^2+1

178. ## social studies (history)

how is vigilant justice similar to cliques in middle school?