# Questions Asked onMarch 30, 2016

1. ## Math

A can of soup is in the shape of a cylinder with a radius of 3.2 centimeters and a height of 10.2 centimeters. The label covers the entire lateral surface of the can. What is the approximate area of the label?

1. When you must handle several hazards at the same time, the best tactic is to (1 point) compromise the hazards. adjust speed to separate the hazards. minimize, then separate the hazards. minimize, then compromise the hazards. 2. How many zones of space

3. ## math

Consider a student loan of \$17,500 at a fixed APR of 9% for 25 years. Calculate the monthly payment, determine the total amount paid over the term of the loan, and of the total amount paid, what percentage is paid towards the principal, and what percentage

4. ## physics

For the next part, you will need to know that the position d of an object attached to a spring that oscillates with period T=1.0s is a sinusoidal function of time: d=kcos(2πt)d=kcos(2πt) for some constant k. Assume that the initial position of the object

5. ## english

Put parentheses around the adverb clause by placing the parentheses in their correct locations. He will not come unless you invite him.

6. ## Math

The formula V=lwh is used to calculate the valume of a rectangular prism. What is the equation solved for h? A. Vlw = h B. lw/V = h C. V/lw = h•• D. Vh = lw Correct me

7. ## physics

a block slides along a path that is without friction until the block reaches the section of length L = 0.75 m, which begins at height h = 2.0 m on a ramp of angle θ = 30°. In that section, the coefficient of kinetic friction is 0.40. The block passes

find the surface area of the rectangular prism. inches are:3 ,2 and 4 those are inches for height length and width

9. ## History

How did the notion of the freedom of contract create opportunities and constraints on liberty?

10. ## Finance: Mortgages

A borrower received a 30-year ARM mortgage loan for \$200,000. Rate caps are 3/2/6 (initial adjustment cap/periodic interest rate cap/lifetime interest rate cap). The start rate is 3.50% and the loan adjusts every 12 months for the life of the mortgage. The

11. ## Biology

In the classification of eukaryotes, protsists were once placed in a single kingdom. Briefly evaluate whether this classification system is accurate. Why might it be difficult to classify some slime molds as unicellular or multicellular? I know the first

12. ## ALGEBRA ONE

Select the polynomial that is a perfect square trinomial. 9x2 + 9x + 1 36b2 − 24b + 8 16x2 + 24x + 9 4a2 − 10a + 25

13. ## Social studies

The polish economy began to improve in the 1990s because the government? Built more state-owned factories. Controlled prices better. Stopped new private businesses. Encouraged entrepreneurs. (MY ANSWER) Mechanized farming techniques are well-suited to

14. ## arithmetic progression

four positive integers form an arithmetic progression . if the product of the first and the last terms is 70 and the second and third terms are 88, find the first term

15. ## US History

According to Black Elk, what atrocities took place at Wounded Knee? How did President Harrison describe these atrocities? Whom did Black Elk blame for the Wounded Knee Massacre? Whom did Harrison blame? According to President Harrison, what was the future

16. ## Chemisty

What mass of an NO2 is formed when and NO reacts with 384 g of O2?

17. ## Biology

Why might it be difficult to classify some molds as unicellular or multicellular? I'm really confused:/ Can somebody please explain this?

18. ## english

Put parentheses around the adverb clause by placing the parentheses in their correct locations. Please get my mail in case i am called away.

19. ## algebra

Rhett decides to build a square room for his movie and music collection. If the area of the room is 9x2 − 6x + 1 square feet, what is the length of one side of the room? A. (3x + 1) feet B. (9x − 1) feet C. (3x − 1) feet D. (9x + 1) feet I am stuck

20. ## english

Put parentheses around the adverb clause by placing the parentheses in their correct locations. He hasn't showed up here because he canceled the party.

21. ## Chemistry

Show how you would calculate the % yield of hydrogen if 40.0 grams of magnesium react with an excess of nitric acid producing 1.70 grams of hydrogen gas. Mg + 2 HNO3 ---> Mg(NO3)2 + H2

22. ## physics

The froghopper Philaenus spumarius is supposedly the best jumper in the animal kingdom. To start a jump, this insect can accelerate at 4.00 km/s2 over a distance of 2.00 mm as it straightens its specially adapted“jumping legs.” Assume the acceleration

23. ## History

4.)Which type of energy in the bungee cord prevents the bungee jumper from hitting the ground after a jump? A.)Kinetic energy B.)Elastic potential energy C.)Magnetic potential energy D.)Thermal energy

24. ## History

19.)With over eight million people, New York City is most heavily populated city in the U.S Between 1800 & 1900, the population of New York increased from about 80,000 to over three million people. In the years after the Civil War, the population of New

25. ## US History

Discuss the different approaches of the federal government toward the Plains Indians

26. ## ART

How can the creation of community art empower the contributing artists? A) it gives control over others. B) it gives confidence in their abilities. C) it gives them something useful to do. D) it gives them a paying job. (MY ANSWER)

27. ## Art

An artists creates a mural depicting a local celebration of health and fitness for all community members. What would be the best subject choice for this mural? The figures of local sports heroes. The figures of local high school athletes. The figures of

28. ## Math

A student takes a true-false test exam with 10 questions. If the student guesses all ten questions, find the probability he gets 7 or 8 right. p(x=7) + p(x=8) (.5)^7(.5)^3 + (.5)^8(.5)^2 I have the correct answers which are .117+.044= .161 But when I

29. ## Math

Milo's pancakes recipient makes 9 serving. It's calls for 3/4 cup milk.Milo's wants to make 6 serving. How much milk will he needs.

30. ## Art

a local mural completed by a group of teenagers and a large religious mural on the walls of the Italian church are both examples of community art what makes the local mural unique? A.it was created by a professional for the community. B.it was created by

31. ## Physics

A high-speed sander has a disk 5.70 cm in radius that rotates about its axis at a constant rate of 1120 revolutions per minute. a.) Determine the angular speed of the disk in radians per second. b.) Determine the linear speed of a point 2.40 cm from the

32. ## physics

The speed of a bullet as it travels down the barrel of a rifle toward the opening is given by v=(-5.00×10^7)t^2 + (3.00×10^5)t where v is in meters per second and t is in seconds. The acceleration of the bullet just as it leaves the barrel is zero. (a)

33. ## Algebra 1

Which statement best demonstrates why the following is a non-example of a polynomial? 33/16 - 62y^2xz-35z^1/3y^2 a. The expression has a variable raised to a negative exponent. b. The expression has a variable in the denominator of a fraction. ** c. The

34. ## math

whats the last two digits of 5 to the 347 power

35. ## Algebra

Find the hydrogen ion concentration of a saturated solution of calcium hydroxide whose pH is 13.3. (If you enter your answer in scientific notation, round the decimal value to one decimal place. Use equivalent rounding if you do not enter your answer in

36. ## Math

James has 5 baseball cards, 3 football cards, and 1 hockey card (all different). He picks 2 cards at random without replacement. How many possible outcomes (card combinations) are there? 72 9 81 15 *i think theirs 72 but not sure

37. ## math

1.the vertices of triangle abc are A(2, -5) B(-3,5) C(3, -3). the trianlge is reflected over the x-axsis. use the arrow notation to discribe the origanal triangle and its reflection.

38. ## science help pls pls

Which of the following is typically associated with a reduction in photosynthesizing plants in a water supply? An increase in dissolved oxygen A decrease in dissolved oxygen An increase in phosphates A decrease in phosphates is it b

39. ## Physics

A stationary curling stone is struck in a glancing collision by a second curling stone of equal mass. If the first stone moves away at a velocity of 0.92 m/s [N71¡ã W] and the second stone moves away at a velocity of 1.25 m/s [N44¡ã E], what was the

40. ## Science

A car runs at a constant velocity of 15m/s for 300sec and then accelerates uniformly to a velocity of 25m/s over a period of 20s. This velocity is mantained for 300s before the car is brought to rest with uniform deceleratiom in 30s. Draw a velocity time

41. ## Math

Mr. Tome uses five quarts of pineapple juice and 2 gallons of orange juice to make punch. How many one cup servings of punch will Mr tome make?

42. ## chemistry

calculate the solubility of PbI2 in 0.0123M CaI2. Ksp=6.81x10^-9

43. ## Chemistry

When 0.07 moles of ammonium sulfate ((NH4)2SO4) are dissolved in enough water to make 254 milliliters of solution, how many ammonium ions are present?

44. ## physics

An inquisitive physics student and mountain climber climbs a 50.0m high cliff that overhangs a calm pool of water. He throws two stones vertically downward, 1.00 s apart, and observes that they cause a single splash. The first stone has an initial speed of

45. ## Algebra-base Physics

A single conservative force Fx= (6.0x-12) N, (x is in m), acts on a particle moving along the x axis. The potential energy associated with this force is assigned a value of 20J at x=0. What is the potential energy at x=3.0m?

46. ## Algebra I math

Which statement best demonstrates why the following is a non-example of a polynomial? 33/16 - 62y^2xz-35z^1/3y^2 a. The expression has a variable raised to a negative exponent. b. The expression has a variable in the denominator of a fraction. c. The

47. ## Art

Which is the most likely patron for a community mural that will celebrate a city-wide day of reading? National book company. Local department store. Local thrift store. Local bookstore. (MY ANSWER)

48. ## trignometry

tanx+cotx=5 than find the value of tan^2x+cot^2x

49. ## Physics

A purple beam is hinged to a wall to hold up a blue sign. The beam has a mass of mb = 6.7 kg and the sign has a mass of ms = 17.4 kg. The length of the beam is L = 2.83 m. The sign is attached at the very end of the beam, but the horizontal wire holding up

50. ## math

Andrea has 8 blue socks and 4 red socks. She chooses one sock at random and puts it on. She then chooses another sock without looking. If the first sock is red, find the probability that the second sock will also be red. 1)3/11 2)1/6 3)2/11 4)1/12

51. ## Math

1.is -15 greater then less then or equal to -21 2.which number is greater then -24 A.-42 B.-27 C.-16 D.-32 3.which set of integers is ordered from least to greatest A.-13,4,0,-8 B.-5,-2,3,1 C.-12,-8,-4,7 D.15,6,-9,-21 4.5,0,_____,-14,-20 A.3 B.-4 C.1 D.18

52. ## Math

The bases of a triangular prism are equilateral triangles. The surface area of the prism is 80 square units. If the area of one of the triangular bases is half the area of one of the rectangular faces, what is the area of one of the triangular bases of the

53. ## Social Studies

Which of the following were significant features of Jimmy Carter's political career? Link Please?

54. ## Chemistry

A sample of propane, C3H8, contains 10.0 moles of carbon atoms. How many total moles of atoms does the sample contain? Express the total number of moles of carbon and hydrogen numerically.

55. ## chemistry

explain briefly why CuSo4 is more soluble in water than in organic solvent

56. ## Math

Given the points (A) 0,0 (B) 4,3 (C) 2,9 what is the measure of angle ABC

57. ## Math

Suppose Cylinder A has the same height but twice the radius of Cylinder B. What is the ratio of the volume of Cylinder B to Cylinder A?

58. ## Math

A recipe requires 3/4 cup of nuts for 1 cake. Enter the maximum number of cakes that can be made using 7 1/2 cups of nuts.

59. ## Math

If the ratio of red cars to Blue Cars is 3 to 5 and there are 55 blue cars how many red cars are there?

60. ## physics

Neptunium 239 93 Np has a decay constant of 3.40 ×10-6 s-1. A 3.0-mg sample of Np-239 is prepared. The activity of the Np-239 sample, in Ci, is

61. ## Maths

Two nomads leave camp at the same time.one walks at 5km/h on a bearing 039 degree.the other walks at 7.5km/h on a bearing 265 degree.after 2 hours how far apart are they and what is the bearing of the second from the first?

62. ## Chemistry

Small amounts of chlorine gas can be gener- ated in the laboratory from the reaction of manganese(IV) oxide with hydrochloric acid: 4 HCl(aq) + MnO2(s) → 2 H2O(l) + MnCl2(s) + Cl2(g). What mass of Cl2 can be produced from 41.8 g of MnO2 with an excess of

63. ## math

Celia has a large container in which four different kinds of coins are thoroughly mixed. She wants to take a sample of her coins to estimate which kind of coin she has the most. Which of the following methods is the best way for her to select a sample?

64. ## alg

Factor completely x2 − 8x + 16. (x + 4)(x + 4) (x − 4)(x − 4) (x + 4)(x − 4) (x − 2)(x − 8) i don't understand this

65. ## Social studies

Many people are emigrating from the Ukraine to other countries. What conclusion can best be deduced from this statement? A) The economy is growing. B) Freedoms have increased since the fall of communism. C) The nation lacks sufficient jobs and

66. ## Math

A cone is 14cm deep and the base radius is 4.5cm. Calculate the volume of the water that will fill the cone

67. ## Physics

A purple beam is hinged to a wall to hold up a blue sign. The beam has a mass of mb = 6.7 kg and the sign has a mass of ms = 17.4 kg. The length of the beam is L = 2.83 m. The sign is attached at the very end of the beam, but the horizontal wire holding up

68. ## programming and visual basics

Using pseudocode or a flowchart write a program that does the following: Design the logic for the game Hangman, in which the user guesses letters in a hidden word. Store the letters of a word in an array of characters. Display a dash for each missing

69. ## History

20.) 1. "... In administering the laws of Congress I shall keep steadily in view the limitations as well as the extent of the Executive power trusting thereby to discharge the functions of my office without transcending its authority. ... In such measures

70. ## math

Sam needs to cut a piece of sheet metal into 8 pieces, it takes 5 minutes to cut, how many cuts will he make.

71. ## History

13.)With over eight million people, New York City is the most heavily populated city in the U.S. Between 1800 and 1900, the population of New York increased from about 80,000 to over three million people. In the years after the Civil War, the population of

72. ## chemistry

For the following reaction at equilibrium, which change would shift the position of equilibrium toward forming more products? (Circle your answer(s) as there may be more than one.) 2NOBr(g) 2NO(g) + Br2(g), ∆Hºrxn = +30 kJ/mol A) Decrease the total

73. ## algebra

A 3 by 5 inch picture is put into frame with a mat that has width x. Draw picture inside the frame, write the expression of the width and length of the frame AND the picture together. If the total area of the frame with the picture is 35 in ^2, find the

74. ## geometry

construct a triangle PQR in which pq=5.5cm angle p=75° and pr=5cm?

75. ## Social studies

Burning coal and other fossil fuels helps create acid rain and causes which of the following challenges for Eastern Europe? a.) increases acid in lakes and rivers. b.) destroys statues and monuments. c.) kills plants. d.) all of the above. (MY ANSWER)

76. ## geometry

construct a triangle PQR in which pq=5.5cm angle p=75° and pr=5cm?

77. ## Science

Christina has a glass of water. Michael has a fruit juice drink. Both drinks are at room temperature, and both students add ice to their drink's. Condensation begins to on the outside of Christina's glass before Michael's. How can they state their

78. ## Science

If an atom has a mass number of 23 which of the following is always true

79. ## math (algebra 1)

help please, i need help on this question wendy deposited \$60 in a savings account earning 10% interest, compounded annually. To the nearest cent, how much interest will she earn in 3 years?

80. ## math

lf the first of an AP is 7 and 80th term is 393,find the sum of the first 80 terms

81. ## History

After 1941, Germany ruled some areas like Poland through direct annexation, but most of the occupied Europe was run by German officials with? A:Large offices B:Help from allies C:Local collaborators D: Italian helpers I chose C is this correct? Thank you.

82. ## chemistry

A gas occupies 5.65 L at 808 torr and 17◦C. What volume will it fill if the pressure is changed to 730 torr and the temperature is raised to 51◦C?

83. ## history

The Ming dynasty emperors were members of the Zhu family. .... Hong Wu did continue to conduct limited trade with merchants for ... the fault of the eunuchs— also contributed to the decline of the Ming Dynasty. .... They were able to enlist Ming

84. ## nuclear physics

Neptunium 239 93 Np has a decay constant of 3.40 ×10-6 s-1. A 3.0-mg sample of Np-239 is prepared. The activity of the Np-239 sample, in Ci, is

85. ## Math

I have a full deck of cards (52 cards). What is the probability of pulling a 10 out of the deck at random? (Reminder: There are 4 of each card in the deck) Express as a decimal, rounded to the nearest hundredths. A).07 B).08 C).02 D).25

86. ## math

peggy was taking a timed 90 question test she was able to correct 90% of the questions how many questions did she answer correctly

87. ## Math

A quadratic function is defined by f(x)=-3.7x^2+6.8x+4.2. A linear function is defined by g(x)=-0.5x+k. Determine the value of k so that the line intersects the parabola at exactly one point. Write your answer to the nearest hundredth

88. ## Physical Science

A 20.0-Ù resistor and a 45.0-Ù resistor in parallel are connected to a 120-V dc source. (a) What is (are) the current(s) through the resistors? current through the 20.0-Ù resistor: Incorrect: Your answer is incorrect. . A current through the 45.0-Ù

89. ## English

Chose the answer that identifies the three cases of pronouns. nominative, possessive, objective

90. ## math

Janice conducted a survey at the local calculator factory. She discovered that 10% of every 80 calculators did not work. Using this survey, what kind of predictions can she make about the next 400 calculators? a-not enough information b-40 will not work

91. ## Math 20-3 Financial services

If you invest \$3800.00 at an interest rate of 2.90% per annum compounded bi-monthly, what will the total value of your investment be after 5 years?

92. ## College algebra

How many pounds of nuts selling for\$6/lb and raisins selling for \$3/ lb should a person combine to obtain150 lb of trail mix selling for \$4/lb?

93. ## accounting

martin and company purchased a fixed asset on 1/4/2010 for £250000.depreciation is o be provided at 10% annually according to the straight line method. the books are closed on 31wst march every year. prepare fixed asset account and depreciation account

94. ## math

Line segment segment CD has a slope of negative start fraction two over three end fraction and contains point C(−3, −6). What is the y-coordinate of point Q(−1, y) if segment QC is perpendicular to line segment segment CD question mark

95. ## Math

What is two thirds of eight?

96. ## Social studies

If you were an elderly person from Yugoslavia, what changes have you witnessed in your country since the fall of communism and Soviet rule? A) several nationalist groups seceding from the country. B) conflict between ethnic groups leading to fighting. (MY

97. ## Biology (High school science)

If non-nucleated cells of meristematic tissue are used for tissue culture, then growth rate will be : a) High b) Average c) Very low d) Growth may not take place. Please help!

98. ## math

Solve the problem.A cyclist bikes at a constant speed for 25 miles. He then returns home at the same speed but takes a different route. His return trip takes one hour longer and is 30 miles. Find his speed.

99. ## physics

A radioactive source of a single nuclide emits 2.4-MeV neutrons at the rate of 9200 neutrons per second. The number of atoms in the source is 4.0 ×109. The activity of the source, in nCi, is

100. ## Math

At th zoo, there were 3 times as many monkeys as lions. Tom counted a total of 24 monkeys and lions. How many monkeys were there?

101. ## Math

An investment of \$3,000 is made at an annual simple interest of 5%. How much additional monery must be invested at an annual simple interest rate of 8% so that the total annual interest earned is 7.5 of te original amount that you invested?

102. ## Math

An attack submarine is at a depth of 560 feet below the surface and detects a ship on the surface with its sonar that is at a 1.5 degree angle of elevation. What is the actual distance from the submarine to the ship in yards. Additionally is the sonar

103. ## English

Choose the answer that identifies the nominative case pronouns. I, you, he, she, its, we, you, they I, you, he, she, it, we, you, them I, you, he, she, it, us, you, they **my choice I, you, he, she, it, we, you, they

104. ## economics

Alex and Jessica own a coffee shop near campus. Suppose that their daily production function for workers, L, and capital K, is The wage rate is \$100 daily and a unit of capital costs \$50 daily. What is Alex and Jessica’s least-cost input combination to

105. ## Math

What is the equation x=y+z solved for z? A. X+y=z B. X/y=z C. Y/x=z D. X-y=z•• Correct me

106. ## Math

An attack submarine is at a depth of 560 feet below the surface and detects a ship on the surface with its sonar that is at a 1.5 degree angle of elevation. What is the actual distance from the submarine to the ship in yards. Additionally is the sonar

107. ## Mathematics

All the surfaces of the lantern will be made of paper. What is the least amount of paper needed to make the lantern?

108. ## physics

a mass is at rest with respect to the lab frame, while a frictionless turntable rotates beneath it. the frequency of turntable is w and mass is located at radius r. In the frame of turntable , find the forces acting on mass and verify that F=ma

109. ## maths

Data were collected on the differences in weight gains of 12 people one month after they stopped smoking, compared with their weight at the time when they stopped smoking. The data are given in Table 2. A positive quantity corresponds to a gain in weight,

110. ## physic

The object weighing 20 N is hung on the bottom of the spiral spring , so that stretch as far as 9.8 cm after a state of balance , the weight pulled down as far as 5 cm , measured from idle after burdened . Find the equation of motion generated assuming no

111. ## Math

A drawer is filled with red and blue socks. If the probability of selecting a red sock at random is 2/5 what is the probability that a blue sock will be chosen at random? a)3/5 b)2/5 c)2/3 d)3/2

112. ## Chemistry

3.2 grams of calcium chloride reacts with 3.55 grams of sodium sulfate producing calcium sulfate + sodium chloride. Which is the reactant in excess and the excess mass? Cacl2 + Na2SO4 = CaSO4 + NaCl

113. ## Math algebra

Given 3x = 2y = 6z express 36 in index form in term of x,y and z

114. ## ALGEBRA

Factor completely 9x^2 + 42x + 49. A. (3x + 7)(3x − 7) B. (9x − 7)(9x − 7) C. (3x + 7)(3x + 7) D. (9x + 7)(9x + 7) HELP PLEASE DON'T UNDERSTAND

115. ## English

1. He read the book in 5 days. 2. He read the book after 5 days. 3. He read the book within 5 days ~~~~~~~~~~~~~~~~ What does #1 mean,#2 or #3? Does 1 mean it took 5 days for him to read the book? Or does it mean it took 1 day, 2 days, 3 days, 4 days,or 5

116. ## english

which of the following options best demonstrates sentence fluency? A. chronic lateness for work can result in a poor rating or even loss of your employment. B. if you are chronically late for work, you will receive a bad rating, furthermore, you could lose

117. ## Life orientation

Ways that the human rights violations influences individuals

118. ## Mis sue please save me

A large school in the UK offers its pupils the opportunity to learn several non-English languages. It turns out that: • 55% of pupils in this school choose to learn French; • of the pupils who learn French, 40% also learn German. (c) Additional

119. ## Physics

A man completes 31 lengths of a 50 metre pool with an average speed of 0.9 km/h. What is the magnitude of his average velocity vector in Standard SI units?

120. ## History

The U.S. Army at first failed to stop raids by Native Americans for all these reasons EXCEPT? a. it failed to build forts. b. the soldiers were untrained. c.the soldiers were inexperienced. d. it did not have enough soldier

121. ## Geometry

The height of a trapezoid is 2 inches. If one base is 14 inches long and the area is 49 inches squared find the length of the other base. I know the Area of a trapezoid is A=1/2(b1+b2)h but Idk how to apply it when working backwards

122. ## precalc

Let f(x) = 2x and g(x) = √(x − 7). Find and simplify completely a.) f(3+h)−f(3)/ 8h b.) g ◦ f)(5)/ (f ◦ f)(3) for part 8 i have, 2^(3+h) - 2^3/8h = 8*2^h -8 / 8h. I'm having a brain fart but am i able to subtract 8 from 8 or is the 8*2^h seen as

123. ## Probability

In how many ways can 4 boys and 4 girls sit around a circle table if all the boys sit together? (Rotations of the same arrangement are still considered the same. Each boy and girl is unique, not interchangeable.) Thank you

124. ## Math

1. Write the equation rule and find the twentieth term in the sequence: 1/2,2/3, 3/4, 4/5... My answer: The rule is x/x+1. The twentieth term in the sequence is 20/21. Please check my answer and tell me if it's correct or incorrect. I'm confused. Thanks.

125. ## physics

a mass is at rest with respect to the lab frame, while a frictionless turntable rotates beneath it. the frequency of turntable is w and mass is located at radius r. In the frame of turntable , find the forces acting on mass and verify that F=ma

126. ## 8th grade lang arts

We're studying different types of sentences. I think that the example in our notes is wrong. Example#1: After the rain, I went to the park. Ans: Labeled as simple. But, I think it should be complex. There's a similar sentence that was done in class and it

127. ## Math

Find the surface area of a sphere with a radius of 12 m. A. 1,809 m^2 B. 452 m^2 C. 7,235 m^2 D. 603 m^2 Not sure? Please help!

128. ## Social studies

which of the following did americans not experience during ww2? A. blackout to prepare for potential airstrikes B. a worsening economy C. rationing of food and supplies D. the opportunity to buy war bonds. My best answer is C is that correct

129. ## Biology

We are learning about proteins and their structure, but one thing is confusing me. At what structural point is something considered a protein? Is a protein formed after two amino acids synthesis, or is a protein the whole structure (all four levels) put

130. ## life oriantation

Name snd give an example of 4 types of media commonly used in south africa

131. ## Algebra 1-Factor by Grouping Help!

Factor. Use factoring by grouping even though it would seem reasonable to first combine like terms 3u^2-7-21u+49 Would be the same procedure as factoring polynomial? Thanks!

132. ## Algebra 1-HELP!

factor trinomial completely of the type ax^2+bx+c. -9+18x^2+21x I am not able to solve the solution since the steps are quite confusing any help is great

133. ## Social Studies 9

Purpose some reasons why women were unable to keep leadership positions during the rein of terror? There is nothing about this in my textbook.

134. ## Geometry

The area of a rhombus is 31 feet squared one diagonal is 14 ft long. Find the length of the other diagonal

135. ## Science

Christina has a glass of water. Michael has a fruit juice drink. Both drinks are at room temperature, and both students add ice to their drink's. Condensation begins to on the outside of Christina's glass before Michael's. How can they state their

137. ## math (ms sue)

Suppose that one voter in the 2010 UK General Election was selected at random. The probability that the person voted for the Conservative Party was 0.36, the probability that the person voted for the Labour Party was 0.29, and the probability that the

138. ## Social Studies

Lesson 6: Early Years of the War 1: What is the name of the vessels the South built that marked the beginning of the modern, armored, self-propelled warships? Answer: B (Ironclads) 2: What battle was named after a small church? Answer: A (Shiloh) 3:The

139. ## Science

You go rock climbing with a pack that weighs 50N and you reach a height of 30m. How much work did you do to lift your pack? A. 80 joules B. 1500 joules C. 20 joules D. 1.67 joules

140. ## Math

How to solve this problem? 1:150/1:300 x 2

141. ## Mechanics

A block of mass 6 kg is accelerating at 1.25 m/s ,on the horizontal surface, under the action of a horizontal force of magnitude 22.5 N . Calculate the coefficient of friction between the block and the surface.

142. ## Vectors

a, b, c are 3 vectors such that |a|=2|b|=4|c| (|a|=modulus of a vector) and 2a-3b+6c=0 (a is a vector) then find cos(x) between a and b.

143. ## Science

Use the terms atom and element to explain what makes silver and gold different

144. ## Math

A recipe requires 3/4 cup of nuts for 1 cake. Enter the maximum number of cales that can be made using 7 1/2 cups of nuts.

145. ## physics

A proton is projected at a stationary 6238 Ni aluminum target. The proton momentarily comes to a halt at a distance from the center of an aluminum nucleus, equal to twice the nuclear radius. Assume that the nucleus retains its spherical shape and that the

146. ## Biology

I'm going as this question again as it seems to far down the list to be answered now. Sorry if this is considered spam.

147. ## Math

Running at the average speed of 400m/min, Drake dashed to the end of the course. He then walked back to his starting position at an average rate of 80m/min. How long was the course if it took him 6 minutes to make the dash and walk back?

148. ## Physics

A free fall parachutist reaches a terminal velocity of 150 km/hr when dropped from a plane at a height of 10,000m. Is they terminal velocity going to be greater or smaller if they were dropped from a plane at a height of 10,000m?

149. ## Math

How does changing the dimensions of a cylinder affect the cylinder's volume?

150. ## Phys-Lens Question

A double lens system is made of +35.0 cm lens (lens #1) and a - 26.0 cm lens (lens #2). Lens #1 is placed at x = 0 cm on a meter stick and lens #2 is placed at x = 30.0 cm. Where on the meter stick will the final image be formed when looking at a distant

151. ## Algebra 1-Factoring Help!

Factor completely. if the polynomial is prime, state this. -6x^2-21x-9 I am confused about how to factoring. Thanks!

152. ## ONE world history question?

1. All of the following events following WWI contribute to the beginning of WWII EXCEPT: Harsh peace terms angered Germany. Economic prosperity and increase in the European standard of living. The Great Depression allowed dictators to take control of

153. ## Physics

A wheel has a radius of 5.22 m. a.) How far (path length) does a point on the circumference travel if the wheel is rotated through an angle of 34.3°? b.) How far does a point on the circumference travel if the wheel is rotated through an angle of 34.3

154. ## pr calc 11

(x+2)^2-(x+2)-42 Factor this equation please someone?

155. ## Algebra 1-Factoring Help!

Factor completely or if prime state this. 12b^2-13bv-35v^2

156. ## chemistry

what is the charge balance equation for acetic acid?

157. ## Maths

A large school in the UK offers its pupils the opportunity to learn several non-English languages. It turns out that: • 55% of pupils in this school choose to learn French; • of the pupils who learn French, 40% also learn German. (c) Additional

158. ## Math

Taylor uses 32 buttons for every 4 blouses that she sees.What is the ratio of blouses to buttons? A. 1:4 B: 1:8 C: 4:1 D: 8:1

159. ## Math

Running at the average speed of 400m/min, Drake dashed to the end of the course. He then walked back to his starting position at an average rate of 80m/min. How long was the course if it took him 6 minutes to make the dash and walk back? Time = distance ÷

160. ## statistics

ATUW Motors is planning to replace the brake pad of its cars with a similar quality brake pads but cheaper. This is part of the company strategy to cut costs but wants to maintain the quality of its cars and parts. The variance of the existing brake pads

161. ## Chemistry

What is the pH of the solution when 50.00 mL of 0.250 M HNO3, nitric acid, has been treated with 25.00 mL of 0.400 M NaOH? Below is the work I performed, however, my professor deemed the [H3O] as incorrect. Where did I go wrong? [NaOH] = .025 L x 0.400 M =

162. ## chemistry

why does the solubility of most solid substances in liquid solvents increase in temperature whereas gases reduce

163. ## Physics - Constructive Interference

A square has sides of length L. In the lower-right and lower-left corners there are two sources of light waves, one in each corner, that emit identical in-phase light waves of wavelength 8.28 m in all directions. What is the minimum value of L such that

164. ## physics

the nuclei Co-57 an odd-even unstable nucleus is often used as a source of radiation in nuclear processes. Show that the nuclei is stable relative to beta plus decay by electron capture

165. ## Chemistry

Determine the specific mass of fluorine (F2) in g/cm³ in 20°C and 188 torr

166. ## Social Studies

Explain the economic cycle of how the economy can spiral downward or upward.

167. ## Chemistry

How do you complete the following by writing products? #1.Ca(OH)2+MgCl

168. ## chemistry concentrations

if i calculated a dilution concentration from excel to be 0.171 ppm, how do i calculate the concentration of the analyte in 64 fl oz bottle? So we pulled 10 mL out, and diluted it to 40 mL...is this right, 0.171 ppm / (10 mL/40mL) = concentration in 1

169. ## math

Jack saved \$60 on a jacket during a 30% off sale.What was the original price of jacket. Will the answer be 200 dollars?

170. ## physics

when two resistors,R1 and R2 are in series, they have an equivalent resistance of 180 ohms, and when they are in parallel, they have an equivalent resistance of 40 ohms. what are their values?

171. ## math

Nancy Tai has recently opened a revolving charge account with MasterCard. Her credit limit is \$1,000, but she has not charged that much since opening the account. Nancy hasn’t had the time to review her monthly statements promptly as she should, but over

172. ## Physics

A crate is initially at rest and then slides down a long inclin that is 30 degrees above the horizontal. If the coefficient of kinetic friction is 0.40, the speed of the crate after 5s is ?

173. ## Math

How many apples will it take to get 27kg 8 divided by ? equals 27kg

174. ## Trigonometry

a line which passes through the origin contains point A (-0.714, 0.700) . find the gradient of the line and the angle formed with respect to the positive x-axis in Degrees

175. ## math

another cylinder question volume formula is pi r-sqrt*h the dimensions are 8 inches with a 1.6 radius

176. ## math

simplify 6/ã3+2 1. 4/ã3 2. 12-6ã3 3. ã3-2 4. 3 plz help!!!

177. ## math

divide 15 into thirds and subtract form 14 divede into half?

178. ## English

In class, we are studying Romeo and Juliet. Do you know what tragedies afflicted Peter ,the servant to the Nurse? I know that the Nurse was affected by the death of her husband and child. However, I don't know what tragedy affected the apothecary or

179. ## maths

if an object is 1.9 metres wide, how many metres will it look from 34 metres away plewse. thanks. obviously alot smaller bit need the answer or at least the calculation so i can work it out. all help appreciated. sue

180. ## mathematics-calculus-derivatives

. If y=cosx, find dy/d5x please show workings #thanks

181. ## algebra

18 increased by m is 25

182. ## Life orientation

Human rights violation

The Principal of SACRO Primary is concerned that the average speed of cars travelling along Princess Road exceeds the recommended speed of 60km/h. A random sample of 10 cars had their speeds measured by radar and the results (in km/h) are as follows: 81,

184. ## Math

How many numbers are there in pie?

185. ## Trigonometry

PLEASE HELP!! I really don't understand this...I just started learning about trigonometry and SOH CAH TOA and I think this probably has to do with that but I don't know how to apply it... Please explain this to me!!!! I need to know how to do it and not

186. ## math

V=πr^2h V = 3.14 * 1.25^2 * 10 V = 3.14 * 1.5625 * 10 V = 49.06 how does 3.14*1.25^2 = 1.5625 because when I calculate the problem I get 1.11803 *10 =33.20 please help

187. ## Chemistry

How many moles are in 2.3 grams of oxygen gas.

188. ## Maths

A large school in the UK offers its pupils the opportunity to learn several non-English languages. It turns out that: • 55% of pupils in this school choose to learn French; • of the pupils who learn French, 40% also learn German. (c) Additional

189. ## Math

If you were to count one number per seconds and counted seven hours per day how long would it take you to count a billion

190. ## algebra

how do i factor the polynomials using the ax2+bx+c with a =1? The problem is -16+m^2 power-6m.

191. ## Chemistry

If the total number of electrons in the ion [M (H2O) 4] +2 is equal to 50 Whish is the atomic number of M?

193. ## Math

A piece of paper has a length of 9 inches and width of 4 inches. The paper is rolled to form the shape of a cylinder. What is the largest possible volume of the cylinder?

194. ## algebra

simplify: y^a x y^a+2

195. ## Math

A technician is adding chemicals to a 210-liter tank. She is adding the liquid at a rate of 2.5 liters per minute. How long will it take her to fill the tank half full?

196. ## algebra

Problem reads: y^a multiplied by y^a+2

197. ## Real Analysis (Math)

Prove f(x) is discontinuous at 0 for the function f(x) = x if x>=0 and f(x) = 1 - x if x < 0 using the epsilon-delta method.

198. ## algebra

Hi I need help with this question. I am not asking for the answer because if not I wont learn like that. I am looking for a good step by step explanation. Thank you. Solve for x: 5x + 2 = 4x − 9.

199. ## math

m/5 - 7 = 22 So far i've done this: m/5 = 22+7 m/5 = 29 I don't know how to solve M

200. ## math

There are 160 patients. 3 of 4 patient gets BP check, how many of them need check?

201. ## Geometry

I am getting ,4,11,2 marks I need 82 To pass what should I doo and my final paper is over and it Was not good for me i am feeling depressed

202. ## luthayi high school. science

How can methanol be harmful to human if accidentically swallowed

203. ## Science

What is the mass of a box pushed both left and right at 50N?

204. ## science

A large drop of about 5 mm (3/16 in.) diameter reaches a maximum speed of about 9 m/sec."

205. ## Algebra

Find two consecutive even integers such that the square of the lesser integer increased by twice the greater integer is 364.

206. ## Statistic help

What do I do in correlation question. Indications of where the relationship is linear showing cv?

207. ## geometry and trig

I have a regular octagon with a radius of 9. I have split the 8 pie slices into right angles--leaving angles 90, 67.5, and 22.5. I looked for the sine of 22.5 opp/hyp and get .38. Then the oppositeside is 6.84. I can't get the right answer, what am I doing

208. ## maths

i stand 34 metres away from an object 1.9 metres wide. how big will it look. thanks

209. ## clinical psychology

whats is a timeline and milestones in clinical psychology subject?

210. ## physics

Given a velocity time graph how do you determine when the object is moving at the lowest speed is it when V=O or when the gradient is the less steepest? Do the terms "moving at lowest speed" and "moving slowest" mean the same

211. ## Algebra 1

factor trinomial completely of the type ax^2+bx+c. -9+18x^2+21x I am not able to solve the solution since the steps are quite confusing any help is great.

212. ## Math

I'm purchasing something of the amount 22.00 and the tax is 6.875% how much would that make it

213. ## Math

How to form an algebric equation for the question the length is greatet than its breadth by 5cm

214. ## Math

I need help coming up with a unique game that can be played at a carnival, amusement park or casino.... and u need to be able to explain the probabality of your game. Any ideas

215. ## Math

Tamera has test scores of 88,78,98,88, and 78. She was told that her final test grade average is the highest C possible as a whole number. What was her last test score?

216. ## english

tool burth book help

217. ## mathematics-calculus-derivatives

. Try this. If y=cosx find dy/d5x please show workings #thanks