1. English

1. Which of the following sentences uses capitalization CORRECTLY? (1 point) A.) You can find the complete list of Senators online. B.) Have you ever read The History of Tom Jones, a Foundling? C.)The Maryland Blue Crabs have become a symbol of the state.

2. statistics

Suppose a random sample of size 50 is selected from a population with σ = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite

3. Geometry - Area

Find the area of a regular hexagon with an apothem 10.4 yards long and a side 12 yards long. Round your answer to the nearest tenth.

4. chem

A sample of oxygen gas was collected via water displacement. Since the oxygen was collected via water displacement, the sample is saturated with water vapor. If the total pressure of the mixture at 26.4 °C is 725 torr, what is the partial pressure of

5. physics

Propeller blade in aeroplane is 2m long if propeller rotates 1800rev/min compute tangential velocity.

6. Math

1.Jamilla is building a square sandbox with sides 7 feet long. She wants to put sand 2 feet deep in the box. How much sand should Jamilla order? A.98ft3 B.14ft3 C.49ft3 D.16ft3 2.What happens to the volume of a rectangular prism when each of the dimensions

7. Algebra II

Help me with this question please There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7

8. Chemistry

Under identical conditions, separate samples of O2 and an unknown gas were allowed to effuse through identical membranes simultaneously. After a certain amount of time, it was found that 4.92 mL of O2 had passed through the membrane, but only 3.04 mL of of

A cone-shaped paper drinking cup is to be made to hold 30 cm^3 of water. Find the height and radius of the cup that will use the smallest amount of paper. (Round your answers to two decimal places.) Height = ? Radius = ? Show work please!!!

10. calculus help

If C(x) = 12000 + 600x − 0.6x^2 + 0.004x^3 is the cost function and p(x) = 1800 − 6x is the demand function, find the production level that will maximize profit. (Hint: If the profit is maximized, then the marginal revenue equals the marginal cost.)

11. math

Zeller, Inc., has 60,000 shares of stock outstanding. Zeller declares a dividend of \$580,000. What is the dividend per share?

12. chemistry

a 0.0500 mol sample of a nutrient substance is burned in a bomb calorimeter containing 2.00 x 10^2g H2O. If the formula weight of this nutrient substance is 114g/mol, what is the fuel value (in nutrient Cal) if the temperature of the water increased 5.70C

13. math

Compute the amount of interest earned in the following simple interest problem. A deposit of \$8,000 at 9.5% for 120 days.

14. Geometry- trig ratio

An observer (o) spots a plane flying at a 55 degrees angle to his horizontal line of sight. if the plane is flying at an altitude of 21,000 ft, what is the distance (x) from the plane (p) to the observer (o)?

15. English

Identify the correct sentence. A. I did my homework when the doorbell was ringing. B. I do my homework when the doorbell is ringing. C. I was doing my homework when the doorbell rang. D. I was doing my homework when the doorbell rung C

16. English

The Boy Scout leader announced a camping trip after everyone earns __________ merit badge. A. his B. his or her C. their D. there C

17. math

You require space to service 65 vehicles at any one time. Will a facility measuring 145 ft. by 130 ft. be adequate if each vehicle requires 300 sq.ft.?

18. English

Which sentence is preferable? A. A student must see their advisor before registering for the following semester. B. A student must see his advisor before registering for the following semester. C. Students must see their advisor before registering for the

19. English

Either Brenda or her mother lost __________ keys. A. their B. her C. hers D. its A

20. English

When preparing to write a summary, you should: A. highlight all main and major ideas after thoroughly reading the article. B. highlight descriptive language and examples. C. take careful notes as you read the article the first time. D. complete outside

21. statistics

A manufacturer ships toasters in cartons of 50. In each carton, they estimate a 2% chance that one of the toasters will need to be sent back for minor repairs. In a batch of 25,000 toasters, what are the chances that fewer than 475 need to be returned? The

22. English

Which of the following statements is true of a summary? article. topic. A. A summary condenses the main points of an article. B. A summary is quicker and easier to write than a longer original C. A summary should not include evaluation and criticism. D. A

23. English

Identify the sentence that uses the present perfect progressive tense correctly. A. Charlene is feeling sick today. B. Charlene was sick. C. Charlene has been feeling sick lately. D. Charlene feels sick. C

24. math

You sell and service vacuum cleaners. Your price on a particular model is \$125. However, to get a service contract, you offer to sell it for \$115. How much discount are you giving as a percentage of price (to the nearest tenth)?

25. Investments

Melissa Popp is thinking about buying some shares of R.H. Lawncare Equipment, at \$48 per share. She expects the price of the stock to rise to \$60 over the next 3 years. During that time she also expects to receive annual dividends of \$4 per share. A. What

26. English

Which sentence is preferable? A. Everyone did his work quietly. B. Each person did their work quietly. C. Everyone did their work quietly. D. Everyone worked quietly. D

27. English

Which sentence is correct? A. Has everyone brought their stapler? B. Neither of the girls brought their book to class. C. None of the glasses were in its place. D. Some of the children forgot their notebooks. D

28. English

Either the principal or the teachers will do __________ best to resolve the conflict with the parent. A. his B. their C. his or her D. there C

29. Science

Which of the following is the best example of transforming electromagnetic energy into thermal energy? A.when trees absorb sunlight for photosynthesis B.when the interior of a car absorbs sunlight and warms up C.when a solar panal absorbs sunlight to make

30. physics

A shout down a well produces an echo in 2.00 seconds. How deep is the surface of the water in the well? Assume the speed of sound to be 343 m/s.

31. English

When I __________ to pay my restaurant bill, I realized I __________ my credit card at home. A. try; forget B. tried; have forgotten C. tried; had forgotten D. tried; had forgot C

32. physic II

Two liters of a perfect gas are at 0 degree C and 1 atm.If the gas is nitrogen, N2. Determine the number of moles? Determine the mass of the gas?

33. English

My brother must have had the angels watching over him yesterday. As he __________ from branch to branch like a monkey in a tree, he __________ thirty feet and all he got was a scratched toe. A. swang; had fallen B. swung; fallen C. is swinging; falls D.

34. English

Kristen is a prolific writer. She __________ a couple books of poetry and about a hundred short stories. Someday she __________ as famous as Edgar Allen Poe. A. was writing; will be B. has written; would be C. had written; would be D. has written; will be

35. science

A car driver accelerates to a speed of 35 mph and then takes her foot off the pedal. Even though she does not press the brake pedal at any time, she eventually rolls to a stop. What causes that?

36. English

Identify the part of speech or the form of a part of speech in the underlined portion of the next sentence. The children steadily eased themselves into the cold water of the neighborhood pool. A. common noun B. proper noun C. pronoun D. adjective

37. English

New patients should arrive 20 minutes early, so __________ time to fill out the paperwork. A. they have B. you have C. he or she has D. he has A

38. English

Usually Janice __________ part time at the local community college, but this summer she __________ away to grad school. A. teach; is going B. teaches; goes C. teaches; be going D. teaches; is going D

39. Physics

The figure shows three rotating, uniform disks that are coupled by belts. One belt runs around the rims of disks A and C. Another belt runs around a central hub on disk A and the rim of disk B. The belts move smoothly without slippage on the rims and hub.

40. English

Which sentence is preferable? A. One of the students at the school has given up her scholarship. B. One of the students at the school has given up their scholarship. C. One of the students at the school has given up a scholarship. D. One of the students at

41. English

s One-third of the steel units __________ sold, but that one __________. A. have been; wasn't B. been; weren't C. have been; weren't D. been; wasn't A

42. English

Which sentence is correct? A. The company closed their offices. B. The company closed its offices. C. The company closed it's offices. D. The company closed there offices. C

43. Algebra

What is the undefined value of: (3b^2 + 13b + 4) / (b + 4)

When 50.0 mL of 1.0 mol/L hydrochloric acid is neutralized completely by 75.0 mL of 1.0 mol/L sodium hydroxide in a coffee-cup calorimeter, the temperature of the total solution changes from 20.2 to 25.6. Determine the quantity of energy transferred, q,

45. Math

5(2x - 10)/2 + 14 = 19 10x - 50/2 + 14 = 19 10x -25 + 14 = 19 I am stuck- help

46. math (matrix)

if (-2 1 x+2 ) (3 x-4 5 ) =25 (0 1 3 ) p/s : all the value above in one bracket ( ) a) find the value of x b) hence ,find (-2 1 x+2 )^-1 ( 3 x-4 5 ) (o 1 3 ) p/s : all the value above in one bracket ( )

47. MATHS - AREA

The wall around a playground is 410m. If one wall along the length is 80m long, what is the length of the wall along the breadth? What is the area of the playground?

48. English

Identify the correct sentence. A. When you will come to Florida next week, we can go out for dinner. B. When you come to Florida next week, we can go out for dinner. C. When you are coming to Florida next week, we can go out to dinner. D. When you be

49. statistics

People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a.Show the

50. statistic

Listed below are the ages of actresses and actors at the times that they won Oscars for the categories of Best Actress and Best Actor. The ages are listed in chronological order by row, so that corresponding locations in the two tables are from the same

51. Science

Both carbon dioxide and water are pure substances. How are they similar to each other? A.) both substances have a set ratio of atoms that cannot be separated by physical means. B.) both substances have a set ratio of atoms that can be separated by physical

52. math

Jamal invested \$5000.00 in an account that earns 2.50% simple interest per annum for a term of 10 years. A.) How much interest will he earn? B.) How much will his investment be worth at the end of the term?

53. statistics

The American Association of Individual Investors (AAII) polls its subscribers on a weekly basis to determine the number who are bullish, bearish, or neutral on the short-term prospects for the stock market. Their findings for the week ending March 2, 2006,

54. Algebra

Divide (2x3 – x2 – 24x + 12) ÷ (2x – 1)

55. science

Shoe companies imbed unique designs on the bottoms of the sneakers they manufacture.What is the main purpose of the designs on the bottoms of sneakers? A.to increase potential energy B.to decrease friction C.to increase friction D.to decrease potential

56. Trig

A vertical pole stands on a 20° slope from 50 m down the slope from the pole the angle of elevation of the top of the pole is 35 degrees. How tall is the pole

57. Math

The mad river flows at a rate of 2 KM/H. In order for a boat to travel 79.2 KM of River and then return in a total of eight hours how fast must about travel in Still water?

58. chemistry

If 1.50mol of oxygen gas exerts a pressure of 1500mmHg at 20∘C, what is the volume in liters?

59. English: tragedy

Paraphrase this line by line: I don't understand this.. In tragedy, man is a paradox in a paradoxical existence. Fallible and vulnerable in his mortal finity, he is yet capable of transcendent greatness. Freely exercising his will (a passive hero is

60. math

A ball rebounds to one quarter from which it was dropped. approximate the total vertical distance the ball after being dropped from 3ft above the ground ,until it comes to rest

61. college Algebra

A rectangular fence is to be built along a river using the river as one side of the fence.the cost of the fencing for the two ends is \$8 per sq ft and the cost of the fencing for the side running parallel to the river is \$12 per sq ft. If you have \$3600 to

62. Math

The longer leg of a triangle is one foot less than twice the shorter leg. The hypotenuse is 17 feet long. Find the area of the triangle.

63. math

Consider F and C below. F(x, y, z) = yz i + xz j + (xy + 14z) k C is the line segment from (2, 0, −2) to (5, 5, 1) (a) Find a function f such that F = ∇f. f(x, y, z) = (b) Use part (a) to evaluate integral C ∇f · dr along the given curve C.

64. math

An investment earning simple interest at a rate of 1.10% per annum for a term of 5 years earned \$82.50 in interest. What was the principal?

65. chemistry

A procedure calls for 100ml of 20% H2SO4, SG=1.14. How much of the concentrated acid (98%), SG=1.84, must be diluted with water to prepare 100ml of acid of the required strength?

66. unsolved mysteries astrophysics

Q3.2 COLLAPSE TIMESCALE (5 points possible) Imagine that you live in a distant galaxy far far away. This galaxy is in a different universe, and so may have different cosmology. It seems that in this distant universe, all galaxies have the same luminosity,

67. chem

the balance equation for the reaction of aqueous sulfuric acid with aqueous ammonia is 2NH3(aq)+ H2SO4(aq) -> (NH4)2SO4(aq) 1. what volume of 0.250M sulfuric acid solution would be needed to react completely with 18.00mL of 0.350M ammonia solution? 2. what

68. Math

The price of gas is 85.9 cents per Litre. If Brenda needs 48.3 L of gas to fill her gas tank, how much will she pay? Please show the steps.

69. math

Pregnancy Test Results Positive Test Result (Pregnancy is indicated) Negative Test Result (Pregnancy is not indicated) Subject is pregnant 80 5 Subject is not pregnant 3 11 a) Based on the results in the table, what is the probability of a women being

70. Accounting

During the week ended May 15, 2013, Scott Fairchild worked 40 hours. His regular hourly rate is \$31. Assume that his earnings are subject to social security tax at a rate of 6.20 percent and Medicare tax at a rate of 1.45 percent. He also has deductions of

Identify the linking verb and the predicate nominative. 1. My partner for biology lab is Penelope. 2. Jason will be the next student council president. 3. Mrs. Furillo's favorite song is still "Night and Day." 4. Rocky Marciano was the world heavyweight

72. Algebra 1 Explanation (Anyone, please!)

Please, can anyone explain the concept of graphing quadratic functions to me? For example, how must I graph gradratic functions such as y = x^2 - 2x - 3? If anyone could also include step-by-step solving methods, I would truly appreciate it.

73. Social Studies

I am the Star Reporter who is going to visit George Washington at his home at Mount Vernon during the years of 1759-1774. I am interviewing him about his political and personal views, activities, goals, and predictions. Develop 10 questions to ask

1. Michelle Kwan has become an inspiration to us all. 2. Is Sara the runner in the blue T-shirt? 3. I could have been a contender. 4. The winner of the spelling bee was Tracy. 5. The next speaker will be Mr. Gonzales. 6. Who was the fourteenth president of

75. math

helo sir/madam can u help me to solve this problem sOLVE 2log 15 +log(5-x)- log4x=2

76. chemistry

Determine ΔSuniv for the following equation: Ca2+ (aq) + SO42- (aq) → CaSO4 (s)

77. Cultural Ant.

What is the meaning of Theoretical approach. Form my homework question my teacher asks me to explain the theoretical approach the author adopts for her investigation. However, I have no idea what a theoretical approach is :(

78. Algebra

Simplify (2a + 2) / a^2 – 1)

79. accounting

If Alisha Maintenance manufacturing has: total maintenance cost of \$2,785,000 total fixed maintenance cost of \$310,000 total variable maintenance cost of \$2,475,000 total maintenance cost per unit is \$18.57 fixed maintenance cost per unite of \$2.07

80. Geometry

The word cosine literally means "the complement of the sine." Write a paragraph explaining how complements of sine and cosine are connected. I know that the sine and the cosine of complementary angles are the same. but how can i add more details/write a

81. chemistry

What is the value of x for the following reaction if E∘=1.43V and ΔG∘ = -276kJ ? A+B^x+→A^x++B

83. chemistry

Determine the mole fraction of each substance in a solution containing 36.0g H2O and 46g glycerin, C3H5(OH)3

84. Corporate Finance

5.Capital Co. has a capital structure, based on current market values, that consists of 21 percent debt, 9 percent preferred stock, and 70 percent common stock. If the returns required by investors are 10 percent, 12 percent, and 17 percent for the debt,

85. Stats

Six letters are picked. Find the chance that they can be arranged to form the word RANDOM.

86. Math

Find the average value of the function f over the interval [-1, 2]. f(x)=1-x^2

87. Elementary Algebra

"The university of Oklahoma maintains a fleet of vehicles to rent to university departments. To transport equipment, the School of Drama needs to rent either a cargo can or a pickup truck for one day. The cargo van costs \$28 for a day, plus \$0.22 per mile.

88. alegerba

In the expression 90+5z, the coefficient is

89. science

Find the angular and linear velocities of a man due to the rotation of the earth if he standing A) at the equator B) in Muscat(latitude23.5) C) in oslo(latitude60) Take tha radius of the earth as 6380km

90. statistics

The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is = 100. a. What is the probability a sample

91. Economics

If Alisha Maintenance manufacturing has: total maintenance cost of \$2,785,000 total fixed maintenance cost of \$310,000 total variable maintenance cost of \$2,475,000 total maintenance cost per unit is \$18.57 fixed maintenance cost per unite of \$2.07

92. u,s history

By the end of April 1975, which city fell to the North Vietnamese Army, leading to the unification of Vietnam?

93. English

What will Sonya's family do this weekend? 1. They will plant potatoes. 2. Her family will plant potatoes. (Are both grammatical? Which answer is common?) ----------------- 1. On weekends what do Sonya and her family do? 2. On weekends what do Sonya and her

94. English

1. They didn't have green leaves yet. 2. She didn't finish her homework yet. 3. He didn't clean the room yet. 4. She didn't read the book yet. (Are all the sentences grammatical?)

95. Math

Jason Printing has \$85,000 to invest. They can invest in Wilder Revenue at 10% compounded semiannually or at Cheapskate Investments at 9.8% compounded monthly. a) Calculate the two APYs and compare them to determine your answer. Make sure to distinguish

96. chemistry

what volume of 2.0 M NaCl is required to prepare 150 mL of 0.10 M NaCl?

97. Chemistry

What volume in liters of C3H7Cl is produced if 400.0g of C3H8 (propane) reacts with excess chlorine gas according to the equation C3H8+ Cl2 --> C3H7Cl+HCl

98. Trig

A vertical tower is on a 12° slope. from a 50 m down the hill, the angle of elevation of the top of the tower is 30°. find the height of the tower

99. statistics

The Good Mental Health Insurance Company has determined the number of new clients a psychologist gets per month and their respective probabilities, as shown in the table below: Number of New Clients Probability 0 0.05 1 0.10 2 0.15 3 0.35 4 0.20 5 0.10 6

100. justin

You require space to service 65 vehicles at any one time. Will a facility measuring 145 ft. by 130 ft. be adequate if each vehicle requires 300 sq.ft.?

101. CHEM

Calculate the potential at 25∘C for a cell that has the following ion concentrations: [Ag+] = 1.0×10−2M , 3.2×10−2M .

102. Math

Given the total profit function P(x) = 1.3x-.01x^2-30, let x represent a number of days and find maximum profit achieved and when that profit is made. Then graph the function and mark the vertex

103. Physics

A crate begins sliding down a frictionless incline of 25.0o. If the objects begins sliding from rest and takes 1.50 sec to slide down the incline, what is the speed of the crate as it leaves the incline? How long is the incline?

104. college physics

A reflecting telescope has a radius of curvature of 3m for its objective mirror and a radius of curvature of -1.5 for its eyepiece mirror. If the distance between the two mirrors is 0.90 m, how far in front of the eyepiece should you place the electronic

105. math

Real Estate an office building purchased for \$1, 200,000 is appreciating because of rising property values in the city. At the end of each year its value is 105% of its value at the end of the previous year. a. Use a recursive formula to determine what the

106. Algebra

One person can complete a task in 3 minutes. A second person can complete the same task in 5 minutes. How long will it take to complete the task of the two people work together?

A piece of wire 14 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? = 14 m (b) How much wire should be

108. chemistry

There are two different oxides of copper produced as a result of this reaction. They are copper(I) and copper(II) oxide. If copper is changed to copper(I) oxide the percentage changed in mass is 12%. If copper is changed to copper(II) oxide the percentage

109. CHEMISTRY HELP !!!!

the following statement is false. Rewrite that it makes a correct statement about free energy. a. ΔGuniverse > 0 for any spontaneous process.

110. Psy

What effect does the environment have on intellectual differences in humans?

111. math (Matrix)

solve the equations by using a) the adjoint matrix b) elementary row operations i) x+y+z=6 2x-y+z=3 x+4y-z=6 ii) 3p-3q+r=1 -3p+5q-2r=-1 p-2q+r=3 iii)-12a+b+17c=-14 2a-b+3c=5 8a+b-13c=-3 thanks sir/madam

112. statistics

A standardized third grade reading test, called the We Can Read Test, has a mean of 50 with a standard deviation of 10. A developmental psychologist conducts a study, where he assesses the reading ability of a random sample of 75 third graders using the We

113. question

Quick question, If I post a question on here would you be able to delete it?

114. statistics

Which of the following percentiles corresponds to the area beneath the standard normal curve from a z score of-3.00 to + 3.00? a. 98% b. 100% c. 95% d. 99.7%

115. Accounting

Target Company issues bonds with a par value of \$900,000 on their stated issue date. The bonds mature in 10 years and pay 10% annual interest in semiannual payments. On the issue date, the annual market rate for the bonds is 12%. What is the selling price

116. Physics

John is driving at a constant speed of 20.0 m/s when he passes Jane, who is traveling in the same direction at 15.0 m/s at the moment that John passes her. If Jane is accelerating at 2.0 m/s2, how far will Jane drive before she catches up to John? How much

117. Algebra

A man drove his automobile to New York, a distance of 550 miles, at a certain average rate. He returned from New York at the rate of 11 mph more. The entire trip required 22.5 hours. What were his rates returning and going?

118. statistics

It is known that the population mean for the Full Scale IQ of the WAIS is 100 with a standard deviation of 15. A researcher assesses a sample of 200 adults and find that they have a mean Full Scale IQ of 102. The point estimate of the mean for this group

119. mathematics for management

helo sir/madam can u help me to solve this problem solve the following simultaneous equation logx Y+logy X=5/2 xy=64

120. statistics

It is known that the population mean for the Full Scale IQ of the WAIS is 100 with a standard deviation of 15. A researcher assesses a sample of 200 adults and find that they have a mean Full Scale IQ of 102. The point estimate of the mean for this group

121. Accounting

Accounting 1 Help! 1. An accountant records a transaction when cash is paid or received under which basis of accounting? cash deferred accrual liability 2. When unearned revenue is initially recorded as a revenue, the adjusting entry would include a credit

122. statistics

A standardized third grade reading test, called the We Can Read Test, has a mean of 50 with a standard deviation of 10. A developmental psychologist conducts a study, where he assesses the reading ability of a random sample of 75 third graders using the We

123. English

Posted by rfvv on Tuesday, April 15, 2014 at 10:32pm. What will Sonya's family do this weekend? 1. They will plant potatoes. 2. Her family will plant potatoes. (Are both grammatical? Which answer is common?) ----------------- 1. On weekends what do Sonya

124. Math/Physics

John is driving at a constant speed of 20.0 m/s when he passes Jane, who is traveling in the same direction at 15.0 m/s at the moment that John passes her. If Jane is accelerating at 2.0 m/s2, how far will Jane drive before she catches up to John? How much

125. maths

helo sir/madam can u help me to solve this problem solve the following simultaneous equation logx Y+logy X=5/2 xy=64

126. mathematics for management

helo sir/madam can u help me to solve this problem find the value of x in terms of b of the equation logb 2x-logb(x+2b)=1

127. Math

Maurice needed to cut a piece of wood for his project that measures 4 3/4 inches . How much wood will he have left if the board that he is cutting from is 8 inches long? Show your work

asked by J frank dent elementary
128. math

a pair of dice is rolled. what is the probabilty of each of the following? a. the sum of the numbers shown uppermost is less than 5. b. at least one six is cast.

129. chemistry

I have the answers, I am just interested in the formulas so that I can solve the problems, thanks! 1. Find the boiling point of a solution composed of 110g of HgCl2 (a non-ionizing solute) in 175g of water. 2. Find the freezing point of a solution composed

130. geometry

A company packages it's cereal in a rectangular prism that is 2.5 inches by 7 inches by 12 inches. It is considering packaging it in a cylinder- shaped container having a 6 inch diameter and a height of 7.5 inches. Which used the least amount of packaging?

Identify four research sources that provide context for at least three activities of strategic leaders.

132. Physics

Man stands out on the street with a frequency meter. A police car drives by with the sirens on and the frequency of the sounds measures 800 Hz when it get close but 600 Hz when the car goes away. a) What is the speed of the police car? b) What is the

asked by Physics: Doppler Effect ?
133. chem

Given that the density of the supplied vinegar solution in this experiment is 1.025 g/mL, calculate the % acetic acid found in the vinegar sample.

134. MATH

In triangle PQR,

135. Grammar

Is the following senetence considered an run-on one? Should I revise it? "To Kill a Mockingbird by Harper Lee features the esteemed novel’s protagonist, a young girl named Jean Louise “Scout” Finch who lives with her beloved older brother, Jem

136. Math

In triangle PQR,

137. Health

Potential health risks you may develop if you do not implement the nutrition and exercise plan

138. english/vocabulary

can you please help me on word study with writing with idioms ? 1. sick as a dog 2. the best of both worlds 3. under the weather 4. nest eggs 5. when pigs fly 6. slip through the cracks 7. go to seed 8 . thorn in your side 9. turn over a new leaf 10. fifth

139. Calculus II

Consider the sequence: (a,sub(n))={1/n E(k=1 to n) 1/1+(k/n)} Show that the limit(as n-> infinity) A(sub(n))= ln 2 by interpreting a(sub(n)) as a Reimann Sum of a Definite Integral.

140. Calculus II

Compute the first 5 terms of the sequence: {b(n)}n=1-> infinity = nsqrt(6n) + (5/6)^n. ((that is:(Bsub(n))from n=1 to infinity = nth root of 6n + (5/6)raised to n.)) If the sequence converges, find the limit.

141. maths (matrix)

solve the equations by using a) the adjoint matrix b) elementary row operations i) x+y+z=6 2x-y+z=3 x+4y-z=6 ii) 3p-3q+r=1 -3p+5q-2r=-1 p-2q+r=3 iii)-12a+b+17c=-14 2a-b+3c=5 8a+b-13c=-3 thanks sir/madam

142. english

PLEASE GIVE ME THE USE IN SENTENCES OF 1. MAGNIFICANT 2. VICTORIOUS 3. GROAN 4. DESERTED 5. STRENGTH

Underline the adverb in the sentence He worked hard and won the contest. Should both hard and won be underlined? Thank you

144. English

How many are there in Sonya's family? 1. There are four in her family:her father, mother, her little sister and her. 2. There are four in her family:her father, mother, her little sister and she. 3. There are four in her family:her father, mother, her

145. math (Matrix)

solve the equations by using a) the adjoint matrix b) elementary row operations i) x+y+z=6 2x-y+z=3 x+4y-z=6 ii) 3p-3q+r=1 -3p+5q-2r=-1 p-2q+r=3 iii)-12a+b+17c=-14 2a-b+3c=5 8a+b-13c=-3 thanks sir/madam

146. math

A piece of a broken wheel is shown. It was taken to a machine shop to be replaced with a new “whole” wheel. Find the radius of the wheel if AC=10cm, BD= 3cm, and D is the midpoint of AC. Round to the nearest hundredth. (note: keep in mind this

147. English

is it true or false External motivation is not desirable

148. calculus

find average value of f [0,10] f(x)= 3/x+1

149. English

1. I tried to make myself at home. 2. I tried to make myself comfortable. ---------- Are both the same? Thank you.

150. aeronautic

Consider a hill and a ridge as illustrated in the figure below. Both the hill and ridge have a semi-circular xz cross-section of radius R, and the wind is blowing in the x direction with speed V∞. To allow sustained flight with no thermals present, a

151. Language Arts

Comprehension (“The Talking Skull”) When the people in the village see the man coming, they run inside their homes because 1. they are scared of him. 2. he is acting crazy. 3. he has always begged them for food. 4. they do not want to talk with him. i

152. math

how to seperat square into 8 parts

153. Math

In triangle PQR,

154. math (Matrix)

if (-2 1 x+2 ) (3 x-4 5 ) =25 (0 1 3 ) a) find the value of x b) hence ,find (-2 1 x+2 )^-1 ( 3 x-4 5 ) (o 1 3 )

155. math

how can you solve this problem ? here X=Y plz help me fast

156. Math

The yearly returns of a stock are normally distributed with a mean of 5.1% and standard deviation of 2.7%. Find the probability of a yearly return being greater than 6%.

157. Math

In triangle PQR,

158. algebra

a data set has the following points (0,2) (4,1) (6,0) the slope of the linear regression line is -0.32

159. MATH

THANK YOU FOR HELP ME SO MUCH ON MY HOMEWORK I REAL appreciate it

160. Chem

The information below shows properties of aluminum (Al). DELTAHfus = 10.07 kJ/mol DELTAHvap = 225 kJ/mol Which quantity of heat is required to melt a 342.9-g sample of Al? 127.98 kJ 214.93 kJ 2,851.95 kJ 3,453.00 kJ

161. Math

-5 - x = 2x - (4x + 6) -5 + 6 = 2x - 4x -x Not sure if I am working this problem correctly

162. english/vocabulary

Look back at "failing infrastructure" write a letter to your state representative describing an infrastructure problem in your community and urging swift action. thoroughly describe the problem and it's solution, explaining why it is vital to take action

163. statistics

Jorge finds that his standardized z score on an IQ is 2.0. What percentage of people did he score higher than? a. 98 b. 96 c. 68 d. 34

164. Trig

how do you find the standard form of 7(cos255degrees + isin255degrees) ?

165. Health

What are some ways to adjust your exercise and nutritional plan due to age, pregnancy, and physical capabilities?

166. Physics

A ball is kicked and flies from point P to Q following a parabolic path in which the highest point reached is T. The acceleration of the ball is

167. statistic

Listed below is a simple random sample of sitting eye heights (in mm) of men (based on anthropometric survey data from Gordon, Churchill, Clauser). Determine whether these sample heights appear to come from a population with a normal distribution. Explain.

168. Math

7xy + 4xy + x + y - 2y = 11xy + 3y + x Is this correct?

169. Geometry

Elimination -12x -8y=-20 -3x +9y=-27

170. Social Studies

in what article of the Constitution was the Supreme Court established? A) Article III Section II B) Amendment 7 C) Article II Section III D) None of the Above

171. math

If I had to divide 680 cm^3/s by 1.767 cm^2 and needed an answer in m/s..how would I do that? Just cancel out two cm's and then divide by 0.01?

Identify a serious error you find challenging to overcome in your own writing. What effect would making this serious error have on a document that you might have to write as part of your future career?

173. Statistics

Find the indicated probability using the standard normal distribution: P(z

174. physics

jabu phuses a cart that is of mass 5kg with a speed of 1m,s she suddenly increase the force acting on the cart to move 2m,s for a distance of 50m (a)calculate the force causing the cart to speed up

175. Math

7xy + 4xy + x + y - 27 = 11xy + x - 1 is this correct

176. Math

Sorry typo error. should be 7xy + 4xy + x + y - 2y = 11xy + x - 1 is this correct

177. Social Studies

There are two questions: 1) Rob is riding his jet-ski, John steals the jet-ski, John gets arrested what court does he have to go to if it was a MARITIME CRIME? A) Federal Court B) District Court C) Supreme Court D) Maritime Court 2) How many judges of the

178. MAth

In triangle PQR,

179. geometry

10^2=x•(x+3x) Use quadratic formula to solve

180. Chemistry

1. How would you sketch the probable products of the reaction of the cis and trans with each reagent other than AgNO3? _____ with en _____ with NH3 ____ with KSCN cis: trans: (NOTE: What are the differences between cis and trans and its formation?) 2. How

Tom has difficulty battling distractions while studying. Which of the following strategies would help him with this problem?

182. math

y - 4x = 8 (t- chart)

183. Social Studies

There are two questions: 1) Rob is riding his jet-ski, John steals the jet-ski, John gets arrested what court does he have to go to if it was a MARITIME CRIME? A) Federal Court B) District Court C) Supreme Court D) Maritime Court 2) How many judges of the

184. english

Please give me the frame sentences of 1. Magnificant 2. Victorious 3. Groan 4. Deserted 5. Strength

185. science

how does the amount of daylight in the summer compare to the amount of daylight we have in the winter?

186. Social Studies

What happened to the Roman Empire in A.D. 395? Why did Germanic groups invade the empire? What happened at the Battle of Adrianople? Who was Alaric? Who was Odoacer? Please help me I got stuck!:(

187. BIOLOGY

What is an example of a human genetic problem?

188. math

Which of the following situations is an example of a linear function?

189. English

1. I didn't read Harry Potter yet. 2. I haven't read Harry Potter yet. 3. I don't know anything yet. 4. I didn't know anything yet. 5. He is not singing yet. 6. He was not singing yet. (Which ones are grammatical?)

190. Chemistry

What is the pH of a solution that has a concentration of hydronium ions that is 1.8 × 10-4 molar H3O+? Show, or explain, the work used to solve this problem.

191. math (Matrix) 2

if (-2 1 x+2 ) (3 x-4 5 ) =25 (0 1 3 ) a) find the value of x b) hence ,find (-2 1 x+2 )^-1 ( 3 x-4 5 ) (o 1 3 ) p/s : all the value above IS COMBINE in one bracket ( )

192. science

why does an person in space craft orbiting earth experiance a feeling of weightless?

193. Social Studies

1. What did you enjoy as a kid? Answer: I liked to hunt, study the art of war, and even shoot a firearm at times. Believe it or not when I was 14 I tried to sign on to a British war ship to be a powder monkey, but my mom wouldn't allow me to be part of it.

194. gr

Before Dark Energy could be discovered, several preconditions needed to be in place. Tick all the factors below which were necessary for the discovery of dark energy. Radio interferometers, Large telescopes such as Keck, Knowledge of the correlation

195. aeronautic

A dragonfly wing airfoil is essentially a thin plate, whose upper and lower surface velocities can be closely approximated by ue(x)V∞ = (xc)−b(upper surface) (E1.22) ue(x)V∞ = (xc)+b(lower surface) (E1.23) Use the following case-sensitive typed names

196. mathematics for management

show that 2logx(a+b)= 2logx a+logx(1+ 2b/a + b^2/a^2)

197. aeronautic

A small wind tunnel is being built for studying insect flight. The first test section built has a uniform height h=0.1m and length ℓ=1m. During operation its walls are found to have boundary layers which effectively start at the inlet at x=0 (the BL

198. math

find the values of Y of the following equation : (8^x)^y 1/32^y = 4

199. mathematics for management

if 5^x 25^2y = 1 and 3^5x 9^y= 1/9,find the value of x and y.