# Questions Asked onJanuary 14, 2015

1. ## calculus

For f(x) = e2sin(x) use your graphing calculator to find the number of zeros for f '(x) on the closed interval [0, 2π].

2. ## Language Arts

Success is counted sweetest by Emily Dickinson 1 Success is counted sweetest 2 By those who ne'er succeed. 3 To comphrehend a nectar 4 Requires sorest need. 5 Not one of all the purple Host 6 Who took the Flag today 7 Can tell the definition 8 So clear of

Superhero by.Kiana S. This student most likely creates art based on all of the following except A.personal interests B.personal style C.skill set D.knowledge of art history

4. ## Mathematics

If the 9th term of an A.P is five times the 5th term. Find the relationship between a and d?

5. ## physics

A mechanic pushes a 2520 kg car from rest to a speed of v , doing 4310 J of work in the process. During this time, the car moves 22.4 m. Find the speed v . Neglect friction between car and road. Answer in units of m/s.

6. ## Calculus

A balloon is rising at a constant speed of 5 ft/sec. A boy is cycling along a straight road at a constant speed of 15 ft/sec. When he passes under the balloon, it is 5 feet above him. Determine how fast the distance between the boy and the balloon is

7. ## Math

4. Jan Quint earns \$7.00 an hour at her job and is entitled to time-and-a-half for overtime, and double time on holidays. Last week she worked 40 hours of regular time, 9 hours of overtime, and 12 hours of holiday time. How much did she earn last week? A.

8. ## math

The line y=9x-4 intersects the quadratic function y=x^2+7x at one point. What are the coordinates of the point of intersection?

9. ## science

what is the concentration of a solution made by mixing 22.0 g of salt with 200 mL of water? assume that the volume of the water does not change when the salt is added

10. ## calculus

If f(x) = 7x^6cos^-1x, find f '(x).

11. ## Math

Henry Devine bought a new dishwasher for \$320. He paid \$20 down and made 10 monthly payments of \$34. What actual yearly interest rate did Henry pay? A. 68.75 B. 14.55 C. 34.38 D. 29.09 The answer is B?

12. ## Physics

Two identical objects of the same mass and at the same initial temperature cool off. If object A cools off faster than object B, what can you say about the specific heats of the two objects?

13. ## english

MUSICIANS wrestle everywhere: All day, among the crowded air, I hear the silver strife; And—waking long before the dawn— Such transport breaks upon the town5 I think it that “new life!" It is not bird, it has no nest; Nor band, in brass and scarlet

14. ## English

1) The tea was cold, the fire was dead; What figurative language is this? A)assonance Eliminate B)onomatopoeia C)alliteration D)internal rhyme 2) Which stylistic or literary device is used in the line: ‘Sick with a fear that had no form? A)simile and

15. ## Math

The tax rate on Ned Topolino's \$112,000 vacation home is 25 mills. The property is assessed at full value. How much will Ned pay in taxes this year? A. \$2,800 B. \$780 C. \$7,800 D. \$28,000 A?

16. ## math

The line y=16x intersects the quadratic function y=x^2 at two points. What are the coordinates of the two points of intersection?

17. ## physics

block of mass m slides down a frictionless incline as The block is released from height h above the bottom of the circular loop. (a) Find the force exerted on the block by the inclined track at point A. (Hint: Consider the Newton’s 2nd law in the radial

18. ## english

How does Emily Dickinson use imagery in these lines from Musicians Wrestle Everywhere to paint a vivid picture of the sounds she hears around her? MUSICIANS wrestle everywhere: All day, among the crowded air, I hear the silver strife; A)by describing the

19. ## Chemistry

Draw the pH-titration curve for the following, label x and y axes accordingly. 10 mL of 0.1M H3PO4 with 0.1 M NaOH (Logk values = 2, 7, 12) I understand that the x-axis is mL of H3PO4 added and y-axis is the pH. But the logK values, is that the

20. ## Chemistry

a solution of HCL is approximately 0.1M and has to be standardized . 1.234g Na2CO3 are dissolved to make 100ml of solution. 20mL of this solution are titrated with the HCL solution, requiring 31.3mL for the second equivalence point. what is the exact

21. ## Math

A 120-ft long playground is just 15-in on the scale drawing.What is the scale on the scale drawing? How would you solve this question?

22. ## Math

3. The tax rate on Harriet Walker's \$80,000 vacation home is 20 mills. The property is assessed at full value. How much will Harriet Walker pay in taxes this year? A. \$1,600 B. \$2,000 C. \$640 D. \$440 B?

23. ## ENGLISH - GRAMMAR ????

Do you know how cheese is made? - active voice. A new airport will soon be built near the city. - passive voice. Absolute silence should be maintained. - passive voice.. Are the above are correct?

24. ## Physics C

A charged particle is released from rest in a region that has a uniform electric field of magnitude 64.0 N/C. After traveling a distance of 0.500 m in this region, the particle has a kinetic energy of 0.880 J. The charge on the particle is _______ C

25. ## Math

Gabriella is x years old.Her sister Felicia,is six years old than she is.Their mother is twice as old as Felicia.Their aunt,Tanya,is x years older than their mother.Write and simplify an expression that represents Tanya's age in years.

26. ## Chemistry

If a 10K race is 10.0 kilometers (1.00 × 10^4 meters), what is the distance in yards? (Given: 1 meter = 1.09 yards)

27. ## English

Chapter 2 1.The antecedent of "its" in this sentence "There was, moreover, a boldness and rotundity of speech among these matrons, as most of them seemed to be, that would startle us at the present day, whether in respect to its purport or its volume of

28. ## science

One way the modern atomic model differs from Thomson’s atomic model is that electrons are no longer scattered throughout an atom’s positive matter like chocolate chips in cookie dough. Instead, each electron is outside of the nucleus occupying a

29. ## computers

You have purchased an Apple desktop computer and want to set it up so that you can access your computer desktop when you are on the road. How might you do this? A. Install Remote Desktop for Apple on your desktop. B. Install Apple+ VPN on your desktop. C.

30. ## Math

Phil Smith is a car salesman. Last week his total sales amounted to \$27,650.00, and he received \$1,382.50 in commission. What is his rate of commission? A. 4.8 percent B. 5 percent C. 23 percent D. 17 percent I think C or D?

31. ## English

The miller's wife had waited long, The tea was cold, the fire was dead; And there might yet be nothing wrong In how he went and what he said: "There are no millers any more,"5 Was all that she had heard him say; And he had lingered at the door So long that

32. ## english

Who can give me a topic for research paper related to marine biology?

33. ## MATH!!!! AHHH!!!

Im studying for finals! A system of equations is shown below: 8x + 5y = 9 3x + 2y = 4 Part A: Create an equivalent system of equations by replacing one equation with the sum of that equation and a multiple of the other. Show the steps to do this. Part B:

34. ## Algebra 1

What expression is equal to 1/8000 written in scientific notation? My answer is 1.25X 10 to the negative 4 power.

35. ## geography

one difference of the Canadian shield and the Western Cordillera My work And now forget about the similarities on to the differences. There are many differences about the Canadian Shield and the Western Cordillera but for today I’ll keep it snappy and

36. ## art

in near eastern culture the winged genius often represented in art and artifacts was a blank god a.destructive b.creative c.understanding d.benevolent

37. ## Algebra 2

Let F(x) = -5x-4 and g(x) = 6x-7 find the f(x)+g(x) 1.-11x+3 2.x+3 3.-11x-11 4.x-11

38. ## philosophy

Chances are I'll be carded at JJ's, because Kera, Sherry, and Bobby were all carded there, and they all look as though they're about 30. What is the premises and conclusion

39. ## Chemistry

#6 If 10.0 grams of Aluminum carbonate(s) decomposes to produce aluminum oxide(s) and carbon dioxide(g), how many grams of CO2(g) are formed? If 5.00 grams is recovered experimentally what is the percent yield?

40. ## math

eliza has a piece of string that is 130 cm long how much will she have to cut to make 1 meter

41. ## Physics

Converging lens has focal lenght 8 cm , at what distance you will have to place the object in the following devices; 1) Collimator of Spectrum 2) Terrestrial Telescope

42. ## Math

5. A system of linear inequalities is shown below: x + y ≥ 4 y < 2x – 3 Describe the steps to graph the solution set to the system of inequalities. Be specific. (10 points)

43. ## calculus

1. Find f '(x) for f(x) = cos (3x3) 2. Find f '(x) for f(x) = ln(x4 + e2x

44. ## Personal Response (Poetry)

Hello, I am practicing personal responses to text, the poem I'm responding is called "When I was one-and twenty" by A.E.Housen. The question I must discuss is : " How does the text suggest that are choices affect the person we become?" I know some of the

45. ## Math

Could someone please show how this is done or explain how to do it. thank you The pie chart below shows how the annual budget for a certain company is divided by department. If the amount budgeted for Editorial and Engineering combined is , what is the

46. ## math

Log[u/v] × log [s/t]

47. ## School

I have a question.. So my teacher just talks the whole class about information and the thing is.. I'll be listening but then after awhile I'll accidentally wander off and just miss information I needed to know. Are there good tips for me to just stay

whats 9+10

49. ## math

Laura’s pet bunny, Ghost, hops up a flight of 12 stairs. Ghost can hop up one or two steps at a time, and never hops down. How many ways can Ghost reach the top

50. ## Algebra

Mrs. Delgado has some young orange trees. He wants to plant them in 46 rows. If t is the total number of orange trees, write an algebraic expression to represent how many trees he can plant in each row. Please help write the expression. Thanks.

51. ## philosophy

Palato discusses the three levels of cognitive activity. How would one cross the line in orders to achieve understanding?

52. ## math

I have to find the unit rate 3\5 divided by 3\8 and ui can't figure out how you would get 3\8 to one?

53. ## Math

Fiona earns \$15 for each lawn she mows. What is the inequality to find out how many lawns she must mow to earn at least \$135. My answer 15m

There are 15 violinists in the orchestra this year. Next year, two violinists will leave and some new violinists will join the orchestra. If v is the number of violinists who will join the orchestra, write an expression to represent the number of

55. ## Algebra 1

Jill, Meg and Beth are sisters. Jill is 2 years younger than Meg. Beth is half as old as Meg. Let m represent Meg'a age. Write 2 other algebraic expressions based on the situation. Tell what each expression represents, and what the variable stands for in

56. ## math

12/6 =5/2.5 a.2:1 b.6:12 c.1:2 d.none of these

57. ## Engineer

What part does gravity play in the function of the water clock? .I kind of don't understand this question. All I need is a better understanding

58. ## Algebra 1

The town of Rayburn received 6 more inches of snow than the town of Greenville. Let g represent the amount of snow in Greenville. Write an algebraic expression to represent the amount of snow in Rayburn.

59. ## Hist

The average Northerner lost interest in reconstruction once it became reasonably certain that the former slaves: a) had economic decurity b)were guaranteed the vote c) would not be re-enslaved d)were guaranteed social equality

60. ## math

What are the solutions for the following system of equations? y=8x+7 y=-x^2-5x+7

61. ## Physics

1 A hot-air balloon is rising upwards at a constant velocity of 5m.s When the balloon is 100m above the ground, a sandbag is dropped from it. 1.1 what is the velocity of the sandbag when its displacement is zero. 1.2 Determine the maximum height X, above

62. ## astronomy

a light year is a unit of distance most comparable to the distance from earth to what? nearest galaxy nearest star outer solar system

63. ## Science

What genetic changes would you make to your food

64. ## math

Solve the following system of equations: y=4x y=2x^2

65. ## math

If Jim is twice as old as Jerry plus six, Jerry is three years older than Tom, and Tom is 12, how old is Jim? I got = Jim is 36

66. ## Math

Mr. Jenkins is going to buy museum tickets for a class trip. The museum director quotes him the following prices: • 20 tickets cost a total of \$250. • 30 tickets cost a total of \$375. • 50 tickets cost a total of \$625. a. Based on these prices, is

67. ## Health

Which factor contributes to one's overall health profile? -social* -conceptual -theoretical -intellectual

68. ## science

I grand daughter has this fill in the blank: Electically__________ objects push or _____________ on other electrically charged objects. This produces___________. Please fill in the blanks please. Because we don't know... Thanks!!!!

69. ## math

Does the Commutative Property apply to this situation? I ate dinner and read a book. I got = Yes.

70. ## math

Hi could you see if I did this one right The pie chart below shows how the total annual income for a certain family is spent. If the amount budgeted for Housing and Entertainment combined is\$25,200 , what is the total family income? Housing is 22% and

71. ## science

How much latent heat is needed to completely melt 368 gram ice cube?

72. ## math

a shopkeeper after allowing a discount of 10% on the market price makes a profit of 8%.what percent above the cost price is it market.

73. ## Health part 2

Exocrine glands ________. A. Do not have ducts to carry their product to a surface B. Do not have ducts to retain their product below surface C. Have ducts that carry their secretory product to a surface D. Have ducts to retain their secretory product

74. ## calculus

Find dy/dx for x2 + y2 = 2xy. 2. If 5x2 + y4 = -9 then evaluate d^2y/dx^2 when x = 2 and y = 1. Round your answer to two decimal places. Use the hyphen symbol, -, for negative values. 3. find dy/dx if f(x)=(x+1)^2x 4. Find the slope of the graph of the

75. ## Science

1.A model train traveling at a constant speed around a circular trak has a constant velocity. True False**** 2.Which of the following would be affected if a soaring eagle changes direction but remained at a constant speed? A. Acceleration only B. Velocity

76. ## algebra

sarah is twice as old as katie. 10 years ago, the sum of their ages was 23. How old are they now

77. ## math

there is to right traingles and we have to find the missing side the first traingle has 4 on the bottom and 2 as its height the second trangle has a 9 on the bottom and the x as the height which number is x. a.4.5 b.18 c.8 d.2.25 i think a

78. ## math

lake superior has a maximum depth of 1.333 thousand feet. there are 5,280 feet in one mile. how deep is lake superior in miles? round to the nearest hundredth if necessary. explain the answer

79. ## language art

Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in a literary discussion about Johnny Tremain. Provide an explanation for your choices. How did the role you selected and the work you

80. ## math

China population is approximately 1.325 billion. The United States has approximately 0.304 billion. How many times as many people live in China than in the U.S. Round to the nearest tenth if necessary.

81. ## Science

A cat is walking down a sidewalk and spots a dog in a nearby yard. The cat starts to run in the opposit direction and then quickly climbs a tree. Which of the following changes most accurately describes the movement of the cat? A. Change in speed B. Cange

82. ## Math

Carlos Martin received a statement from his bank showing a balance of \$56.75 as of March 15th. His checkbook shows a balance of \$87.37 as of March 20. The bank returned all the cancelled checks but two. One check was for \$5.00 and the other was for \$13.25.

83. ## Law

many attorneys pose issues beginning with the word: a. "here" b. "now" c. "whether" d. "whatever" My answer: C

84. ## geography

The similarities of Canadian shield and Western Cordillera

85. ## chemistry

A 5.0 L sample of nitrogen gas has a pressure of 95 kpa. What is the final volume of the gas if the pressure is tripled? I know p1 = 95, v1=5.0 and p2 = tripled What i don't understand is what number is tripled, is it 95 times 3??

86. ## English

In which sentence contains a predicate pronoun? A. We gave him a standing ovation B. The winner is she. C. Are they coming to our play? D. He was the poet Laureate in?

87. ## Math

In a jar the number of blue marbles = twice the number of red marbles! there are 24 more blue marbles than red. How many red and blue marbles are in the jar?

88. ## interpersonal and commuication skills

effective listeners know they must? a.enunciate each and every word b.focus attention on the speaker d.use the appropriate speaking volume my answer b

89. ## math

what is the ratio of the measurements 6/12=2.5/5 in simplest form a.2:1 b.6:12 c.1:2 d.none of these

90. ## child psychology #1

which one of the following statements about psychologists is false? a.psychologists sometimes prescribe drugs to help their patients b.psychologists are subject to all the same laws as private citizens c.psychologists are expected to maintain

91. ## Math

I don't know how to solve this problem. Cameron can run3.6 miles for every 1.9 miles that Samantha ran. If Samantha ran 7.4 miles, how far did Cameron run.

92. ## math

the waiting time for a roller coaster is 20 minutes if 150 people are in line how long will you wait if 240 people are in line

93. ## English

What is a topic that related to marine biology? And its outline?

94. ## us history

time line for boston massacre

95. ## english

What is a topic that related to marine biology? And its topical outline?

96. ## Math

about 24.8 million people live in texas. about 0.6 million live in vermont. how many times as many people live in texas than in vermont. round to the nearest tenth if necessary. i got 41.333 (41) as my answer.am i correct

97. ## Science

Hey I need help with my science paper I have to write a page or two on birth defects but I don't know any birth defects.

98. ## Math

Can someone check my answer down below?

99. ## history

Which of the following was neither part of the Confederacy nor th eUnion? A. Minnesota b. Texas C. Michigan D. Colorado Minnesota? On second thought, Michigan???

100. ## Calculus POwer RUle

If the slope of the curve y=−kx^3+ 3k at x=-2 is 3, then what is the value of k?

101. ## Social Studies

Which of the following best characterizes laws in Saudi Arabia that treat women differently from men? A.restrictive B.protective C.progressive D.inventive A?

102. ## Logarithms

Prove that log base a of x divided by log base a/b of x is equal to 1+log base a of(1/b) Where do I start?

103. ## Science

According to the fossil record shown, how did the Bighorn Basin environment change from 55.85 to 55.75 million years ago? Highlight the correct answer choice. (1 point) A. Over time, less plant life covered the basin. B. Over time, more plant life covered

104. ## Math

5x-4y=10 -10x+2y=-20 What are the values of the x and y for both equations

105. ## Math

Carlos Martin received a statement from his bank showing a balance of \$56.75 as of March 15th. His checkbook shows a balance of \$87.37 as of March 20. The bank returned all the cancelled checks but two. One check was for \$5.00 and the other was for \$13.25.

106. ## english

MUSICIANS wrestle everywhere: All day, among the crowded air, I hear the silver strife; And—waking long before the dawn— Such transport breaks upon the town5 I think it that “new life!" It is not bird, it has no nest; Nor band, in brass and scarlet

107. ## Math

. If three bags of birdseed cost \$14.16, how much will 14 bags cost? A. \$33.71 B. \$30.34 C. \$70.80 D.\$66.08 The answer is D?

108. ## citizenship

Please i wish to ask what are the types of bigotry studied in citizenship?

109. ## English

In Chapter 3 of The Scarlet Letter In describing the momentary revelation of the stranger's emotion, the narrator employs a. Allusion B. personification C. Simile D. Antithesis C. Hyperbole

110. ## physics

In the 1950’s, an experimental train that had a mass of 36700 kg was powered across a level track by a jet engine that produced a thrust of 4.67×10^5 N for a distance of 528 m. Find the work done on the train. Answer in units of J.

111. ## health

if a client is working on reducing stress what should the fitness professional suggest as a first step

112. ## Socal Studies

I have a project in my Mysteries of History class in which I have to invent a serial killer and make a profile for them. I also have to make a fake newspaper article on the serial killer. I already have most of the things I need, but I´m not sure how my

113. ## Math

The letter of application is intended to A. accompany your portfolio. B. remind the prospective employer of your recent interview. C. outline your value to a prospective employer. D. find out what the prospective employer has to offer.

114. ## Math

When Minnesota became a state in 1858 there were approximately 150,000 people living here. in the 2010 census the population for Minnesota was 5,303,925 people. Find a model that would apprxoimate the population in Minnesota between 1858 and 2010. Let t=0

115. ## trigonometry

About how far does the tip of a 1.8m pendulum rise as it swings 24 degree to one side? I use the cosine to find how far the tip of pendulum rise. i get 1.9m.

116. ## Math

Write an expression that is equivalent to 6(4+x)

117. ## Physics

A 0.047 kg golf ball is driven from the tee with an initial speed of 54 m/s and rises to a height of 23.2 m. What is its speed when it is 6.0 m below its highest point?

118. ## physics

Calculate the force of gravity between Earth (mass = 6.0 * 1024 kg ) and the moon (mass = 7.4 * 1022 kg) the average earth-moon distance is 3.8 * x10^8 m

120. ## Math

Find T 2200=7500/(1+9e^-o.o21972*T) Can I multiply both sides by 1+9e^-0.021972*T ?

121. ## Math

Andie bought 4.85 meters of cord. The cord costs \$0.98 per meter. What was the total cost of the cord? My answer is \$5.83 Is that correct?

Last year, Mark was 46 inches tall. This year, Mark's height is 3 inches less than Pter's height. Peter is 51 inches tall. How tall is Mark? Write an equation to represent the situation. Then solve the equation. Answer: 51-3=I I=48 inches tall I=number of

123. ## Science

how is radiation different from convection and conduction? Radiation can travel through solids is what i'm thinking.

124. ## Geometry

Help please. I don't know how to solve step by step!! What is the range of possible values for x? The diagram is not to scale. h t t p :/ / i . i m g u r.c o m/ s n S v w .p n g

125. ## math

At a given time, Saturn was 9.1 x 10 to the 8th miles from the sun and the earth was 9.3 x 10 to the 7th miles from the sun. by what distance is one planet closer to the sun than the other planets?

126. ## English

I have to find the adverb in each sentence. Then I have to identify the verb it modifies. 1.)Native Americans originally developed lacrosse. Adverb- originally. Verb-developed. 2.)It was first played by the Iroquois. Adverb- first. Verb- played. 3.)It was

127. ## Algebra

A. "Solve for w: (6w+1)/5≠2. Describe the solution in set notation." First I must find what number to substitute for "w" that WILL equal 2, correct? Then, determine the numbers that won't (I assume there will be far more of these)? What would be the most

128. ## Chemistry

#5 Limiting Reactants How many grams of water will be produced in the complete combustion of 20.0 grams of Octane, C8H18(g) and 50.0 grams Oxygen gas?

129. ## Science

I need to know how much of a 2g sample of Technetium-99 would be left after 12 hours. The half life of Technetium-99 is 6 hours

130. ## math

I just want to see if my answers are correct and if no, can you please show your work and explain how to do it? Thank you. A. (x^1/2)^4√x^6 I got an answer of x^2x B. √x^4y^12 I got an answer of xy C. 3√a^6b^3 I got an answer of a^2b D.

131. ## physics

A football is kicked from the ground with a speed of 23m/s at an angle of 42 degrees above the horizontal a) how long is the football in the air b) how far does it travel

132. ## Language arts

Which question should you ask during third reading of the muti-draft reading progress? A. Who is the speaker, or the voice that "Say" the words of the poem? B. how has the work expanded my idea's or my imagination? C. What do the word choices and imagery

133. ## ALGEBRA

FACTORISE(2X-5)^2-5(2X-5)-14 FACTORISE4(2X-4)^3-(2X-4)

134. ## trigometric identities

Establish identity: tan theta + cot theta -------------------- equal to(=) csc²theta tan theta Can you draw the ans. bec. I cant understand which they are aligned.

2x-3(x+4)=-5

136. ## Algebra 1

What is the simplified form of (-3x to the 3 power y squared) (5xy to the -1 power)

137. ## math

I just want to see if my answers are correct and if no, can you please show your work and explain how to do it? Thank you. A. (x^1/2)^4√x^6 I got an answer of x^2x B. √x^4y^12 I got an answer of xy C. 3√a^6b^3 I got an answer of a^2b D.

138. ## Genetics

Cite evidence that genetic contributions from both parents are necessary for normal prenatal development. In Hunter syndrome, lack of the enzyme iduronate sulfate sulfatase leads to buildup of carbohydrates called mucopolysaccharides. In severe cases, this

139. ## Math

-3x+5y=80 4x-5y=-90 What are the x and y for both equations

140. ## maths

One tile is 20 cm long.How many tiles are needed for a 4 m row

141. ## math

4 PART Your weight on different planets is affected by gravity. An object that weighs 150 pounds on Earth weighs only 56.55 pounds on Mars. The same object weighs only 24.9 pounds on the Moon. A)What percent of an object's Earth weight is its weight on

142. ## Algebra 2

Let f(x)-5x+3 and g(x)=6x-2 find the f x g and it's domain

143. ## Math

An annual pass covering entrance fees to more than 2000 national parks cost \$80. If the total income from the annual passes is \$12,800 in one month. Write the equation and solve it. For my equation I put 12800p=80

145. ## Math.

A new \$20 weighs approximately 0.5 gram. Write a linear function that shows the weight of x \$20 bills. - Part b. How much do 120 \$20 bills weigh? Please Help!!

If I have an 85% in a course, what mark would I need to raise to an 89+ if my final is worth 25% of the whole course?

147. ## B.S,geography,agricultural sciences and math l

will i be able to do nursing at ukzn with those subjects

1/15 =3/5m For my answer, I put m= 1/5 Is that correct?

149. ## B.S,geography,agricultural sciences and math l

will i be able to study low at ukzn or tut or wherever with my learing areas

150. ## algebra

Express using positive exponents and, if possible, simplify. z^-4/6x^2 =

151. ## trigometry

What is the is the solution for this: Establish : tan theta + cot theta --------------------- = csc² theta tan theta

152. ## mathematics

he dimensions of a rectangular prism are (5x squared - 4x - 3) (x squared - x + 1) cm by (3x squared - 5) cm. Find a polynomial which represents 1. the total surface are of the prism. 2. the total length of the edges of the rectangular prism 3. the volume

153. ## Genetics

1. How is sex expressed at the chromosomal, gonadal, phenotypic, and gender identity levels? How do genes in the pseudoautosomal region of the Y chromosome differ from X-Y homologs?

154. ## algebra 1

√625x^4z^8y^2 I don't need to solve it, just simplify it Thanks

155. ## English

Scarlet Letter questions Chapter 2 The narrator seems to feel that women of the era A. Are harsher in their judgements than are the ruling men B. are overly subservient to men C. Are without exception bitter-tempered D. Are more refined than the man-like

156. ## Math

The top of Kevin's dining room table is 4 feet long, and 3 feet wide. Kevin wants to cover the middle of the table with tiles. He plans to leave a 6 inch border around the edge of the table and tile in the center. How many square feet of tile will he need?

157. ## Science

Why are phosphates rocks useful?

158. ## computer

how can you use painting and drawing to make the leaners better understand mathematics?

159. ## Math

1/9x + 3= -1 I put 1/9x =2 X=18

160. ## computer

Mention two instructional materials that can be prepared using a Microsoft word?

161. ## trigonometry

Can you draw the ans. To make it clear to me , please? Establish identity: tan∅ + cot∅ -------------- = csc²∅ tan∅

162. ## Math

2x-5y=53 -x+5y=-44 Find x and y for both equations My answer : x=9 and y=-7?

163. ## Physics

A 3kw engine operates for 3secs, 10kgf force is applied find the Displacement.

164. ## calculus

1. If f(x) = ln(1 - 2x), then find f '(x) 2. If f(x) = 7x6cos-1x, find f '(x)

165. ## Math

5x-4y=10 -10x+2y=-20 If x is 2 what would y be? When I plug it in I get y as 0

166. ## Chemistry

How many grams of solid product should form if 4.90 grams of sodium phosphate is mixed with 25 ml of .875M barium nitrate?

167. ## Physics

A) On a calm, bright day, you're scuba diving in a deep lake (n = 1.33), 6.00 m away from your sailboat in the horizontal direction. When you are 2.20 m below the surface, the top of the sailboat mast appears to you to be in a direction 36.0° from

168. ## mat lit

with a partner, use a stopwatch or ordinary watch to time how long it takes you to run a specific distance, for example 100 m or around the school. If possible, run 100 m and then compare your time to the world record? What is the difference between your

169. ## Algebra 2

find the factored forms of each expression. -9x^2 - 100

170. ## ss

which of the following are true statements about the qualifications of state legislature? a.senators must be at least 21 years old b.no one without a college degree may be a legislature c.legislatures must be Georgia residents for at least 2 years

171. ## math

you have 2 pennies, 3 nickels, 1 dime and 2 quarters. how many different sums of money can you make using one or more of these 8 coins

172. ## Math

The letter of application is intended to A. accompany your portfolio. B. remind the prospective employer of your recent interview. C. outline your value to a prospective employer. D. find out what the prospective employer has to offer. C? Whoever is

173. ## government

how is representation for the states within the two houses of the us congress determined

174. ## math

An observer stands 25 feet from the base of a 50 foot flagpole and watches a flag being lowered at a rate of 5 ft/sec. Determine the rare at which the angle of elevation from the observer to the flag is changing at the instant that the flag is 25 ft. Keep

175. ## Geometry

Does the angle-side relationship in triangles correspond with specific triangles or does it apply in all triangles?

176. ## Biology

If P1 - virgin grey body, long wings female cross with P2 - ebony body vestigial wings male.... how do I figure out what the genotype is? I think it is like this... EVg for female and evg for male... but I honestly have no idea...

177. ## Math

Solve the following system of equations using both substitutio and elimination y=-x+4 y=-2x-4 Do I do what I do with the previous problems

The first three terms of an A.P. are p-5,p-3 and 2p-15.If the sum of the first n terms of the progression is 180,find the value of n. Answer:n=10

179. ## Physic

How to determine the direction of magnetic field?

180. ## How Conceps Develops

Jimmy's mom puts a large-sized serving of peas on Jimmy's plate and a medium-sized serving of peas on her own plate. Jimmy points to his mother's plate and comments that she gave Jimmy more peas than she gave herself. Jimmy is demonstrating _______

181. ## math

Question: You can type 115 words in three minutes. About how many words can you type in seven minutes?

182. ## algebra

Simplify. Do not use negative exponents in the answer. -25a^-2/10b^-4 HAVING A HARD TIME WITH THIS ONE!! i KNOW YOU REVERSE THE LETTERS AND THE NEGATIVE POWERS ARE TURNED INTO POSITIVE AND RECIPROCATED BUT THE -24/10 I CANT FIGURE OUT FROM THE EXAMPLE I

183. ## physica science

when will the resultant of the two vectors be at maximum when two forces of 5n and 7n act on an object?

184. ## science Help

How did the discovery of the electron change the atomic model? A.it disaproved the earlier idea of an indivisible atom. B.it confirm that atom are very tiny. C. It exposed fraudulent experiments conducted by unqualified scientists. D. It proved that atom

185. ## How concepts develop

If three-year old Jameal can identify number symbols, he's in the _______ period. A. sensorimotor B. transitional C. preoperational D. concrete operations My answer is c.

186. ## Physics 10 (helppp please) thannnks

A sagging floor is jacked up and a steel girder 10 ft long whose cross sectional area is 6in^2 is put underneath. When the jack is removed, a strain gauge shows that the girder has been compressed by 0.0080in. Find the weight the girder is supporting in

187. ## Biology

What is the name of the protein that breaks the hydrogen bonds in the double helix causing the DNA strands to separate during DNA replication? I have a test tomorrow so please help!

188. ## Theory of knowledge

The death penalty Lets say someone says that the death penalty killed over 3000 people but only 3 of them were innocent and they provide examples and evidence, and say that it toke away the lives of people who commited crime so it should be favored. How

189. ## English

I have misplaced my answers to Word Within the Word #6 Analogies. If someone knows the answers so that I do not have to redo the analogies, please post them here.

190. ## Math equation

Question1 The difference of a number and 7 is -8 I put n-7=-8 Is that correct? Question 2 Six less than the product of four and a number is -5 I put 6-4n= -5

191. ## Math

Dylan ate 0.4 of the his brother ate 3/10 of the pie Who ate more

192. ## ENGLISH - GRAMMAR ????

Change the voice. We have received no information regarding this matter. - Regarding this matter no information has been received. It is said that honesty is the best policy.- It says the best policy is honesty. The enemy was forced to surrender. - passive

193. ## Math

Julie, Samantha and Dave ate 5416 crackers last year. Julie ate 1615 crackers. Samantha ate 6 times as many as dave. How many crackers did Samantha eat?

194. ## Chemistry

A gas occupies 30 0dm3 at stp what volume would it occupy at 91 and 380mm hg?

195. ## How Conceps Develop

You observe Maria organizing all of her Barbie and Ken dolls into separate piles. One pile consists of brunette Barbies; one pile consists of blonde Barbies; and one pile consists of all Ken dolls. Which of the following concepts are you observing? A.

196. ## math

how to slove 35cents:\$2.25 in ratio

197. ## history

roosvelts phisophy and goverment

198. ## Math

A true crab has 4 fewer than twice the number of legs that a hermit crab has. The hermit crab has 6 legs. How many legs does the true crab have? I put for the equation 4c =6 *2 I am confused

199. ## math

what is the total cost for 4 1/10 pounds of vanilla pudding? vanilla pudding=\$7/lb

200. ## english

can you give me a noting details story

201. ## physics

calculate the work done in lifting a 300 N weight to a height of 10 m.

202. ## Algebra 1

The size of a certain cell is 2.5 * 10 to the -9 power m. Another cell is 1.5 * 10 to the 3rd power larger. How large is the larger cell in scientific notation? my answer is 3.75 * 10 to the -6 power m

203. ## Social Studies plz help me

How did sectionalism emerge in the 1820s? Compare the priorities of the regions.

204. ## economics

Hey I just had a question regarding how to calculate VMPL (marginal revenue product). When looking for a specific formula, I got a whole bunch of different one's and it didn't seem like I had enough information to find any. I'm supposed to find it for the

205. ## physics

A crate is pulled up a rough incline. The pulling force is parallel to the incline. The crate is pulled a distance of 6 . 92 m. The acceleration of gravity is 9 . 8 m / s 2. What is the magnitude of the work is done by the gravitational force? Answer in

206. ## Consumer math

John Davis makes \$9.75 an hour. He works four hours on Monday, six hours on Tuesday, five hours on Wednesday, five hours on Thursday, and seven hours on Friday. What is his gross pay? A. \$132.70 B. \$174.20 C. \$269.98 D. \$263.25 I would say that this is D.

207. ## math

You need to hire a part-time associate to work 30 hours a week in your store. You have \$250 in labor budget for the new associate each week. You just interviewed an excellent candidate for the position who has requested to be paid \$9.00 per hour. Your

208. ## Math

Laney buys 3 containers of yogurt. She has coupons for \$0.35 off the regular price of each container. After using the coupons, the total cost of the yogurt is \$3.45. What is the regular price of a container of yogurt? ?????? No idea

209. ## Science

I am really having a hard time completing this question.. Punctuated equilibrium occurs over a relatively ______ period of time, usually as a result of a ________.