# Questions Asked onApril 30, 2014

1. ## math

1. Which graph might show the temperature during a 24-hour period? (1 point) A B C D 2. Which graph might show the amount of money in a bank account if money is never taken out? (1 point) A B C D 3. Which graph might show the amount of money in a bank

2. ## Math

For questions 1-2 , simplify each expression. 1.9! a.45 b.362,880 c.265,456 d.125,936 2.25P3 a.12,755 b.14,290 c.13,800 d.18,250

3. ## English - Check these?

Can someone help me check these? 1. The main purpose of a research paper is ____________. (1 point) to verify information to expand a body of knowledge*** to persuade the reader to commit to a course of action 2. Which of the following is NOT a guideline

4. ## math

A bag contains three red marbles, three green ones, one lavender one, five yellows, and two orange marbles. How many sets of five marbles include either the lavender one or exactly one yellow one but not both colors?

5. ## Grammar Practice - Help!

Can someone check these? Choose the item that is correctly capitalized for questions 1–6. 1. (1 point) our family doctor** our family Doctor 2. (1 point) Senator Barrientos** senator Barrientos 3. (1 point) aunt Ruthie Aunt Ruthie** 4. (1 point) the

6. ## science

Glucose is a simple sugar made up of carbon, hydrogen, and oxygen. What kind of molecule is glucose? A. Glucose is protein. B. Glucose is a nucleic acid. C. Glucose is an organic molecule. D. Glucose is an inorganic molecule

7. ## Chemistry

Calculate the pH of the resulting solution if 25.0 mL of 0.250 M HCl(aq) is added to (a) 35.0 mL of 0.250 M NaOH(aq). (b) 15.0 mL of 0.350 M NaOH(aq).

8. ## Statistics

It is said that healthy and happy workers are efficient and productive. A company that manufactures exercising machines wanted to know the percentage of large companies that provided on-site health club facilities. A sample of 240 companies showed that 96

9. ## science

In the ocean, there are areas where there are very few living things. ____________ is the term that describes when this happens to a natural area.

10. ## Social studies

1. what post war industry became more important in south carolina due to new roads? a. tourism* b. agriculture c. manufacturing d. mining

11. ## history

Mark each statement if it describes a characteristic or use of a Gothic cathedral. A. had tall spires, lofty towers, and pointed arches B. was a place of safety as well as a house of worship C. had flying buttresses to support the walls D. architectural

12. ## science

the energy stored in atoms is released when electricity is made with ____________ power.

13. ## Spanish

Sra. are my answers correct? Thank you! Part I ¿Subjuntivo, indicativo o infinitivo? Choose the correct verb form to complete each sentence. 1. Tengo miedo de que mi novio _____. A. mienta B. miente C. mentir B. miente 2. ¡Qué lástima que ese hombre no

14. ## Help!

How are Boolean search strategies and other search filters useful? A.They organize results alphabetically. B.They narrow the search results. C.They increase the number of search results. D.They find creative sources. Please help me!

15. ## Algebra

A scientist wants to research the potential spread of germs by contact. She knows that the number of possible handshakes within a group of n people is given by the equation N=1/2(n^2-n). Everyone at a party shook hands. There were 253 handshakes in all.

Charlie wants to buy a $500 TV in 9 months. How much should he invest now at 8% simple interest to have the money in 9 months? asked by Brianna 17. ## Algebra 1/2 The spinner is spun twice. What is the probability it will stop on either 3 or 5 the first time and will stop on 2 the second time? asked by Maria 18. ## Geometry/Probablity Of all the Sunny Club members in a particular city, 25% prefer swimming on weekends and 75% prefer swimming on weekdays. 10% of the members in the city prefer swimming on weekends and are female. 55% of the members in the city prefer swimming on weekdays asked by Kiley 19. ## Probability In parts 1, 3, 4, and 5 below, your answers will be algebraic expressions. Enter 'lambda' for λ and 'mu' for μ. Follow standard notation. Shuttles bound for Boston depart from New York every hour on the hour (e.g., at exactly one o'clock, two o'clock, asked by A 20. ## statistics here are 12 qualified applicants for 8 trainee positions in a fast-food management program. How many different groups of trainees can be selected? asked by kimberley 21. ## math 2 judith has a necklace with a mass of 65.736 grams. what is the mass of her necklace rounded to the nearest tenth? asked by jenny 22. ## Math A steel reinforcing rod is 12 ft. long and 1" thick in diameter. If a cubic foot of steel weighs 490 lb., how much does the rod weigh (to the nearest pound)? asked by Rhett cowley 23. ## math A sector of a circle subtending an angle 300 degrees at the centre is used to form a cone with base radius 6cm. Find the (a.)radius of the circle (b.)volume of the cone (c.)area of the minor sector of the circle asked by shegster 24. ## Chemistry The standard free energy change, delta f G, for the formation of NO (g) from its elements is +86.58 kJ/mol at 25 degrees C. Calculate Kp at this temperature for the equilibrium 1/2 N2(g) + 1/2 O2(g) = NO(g) Comment on the sign of delta G and the magnitude asked by Sha 25. ## math A regular hexagon is drawn inside of a circle so that each of its vertices touches the circle. The diameter of the circle is 4 centimeters and the perimeter of the hexagon is 12 centimeters. How much longer is the circumference of the circle than the asked by Chris 26. ## Math The Smiths have a pool that is 20 feet by 35 feet. A 5 foot wide deck completely surrounds the pool. The average depth of the pool = 6 feet. What are the approximate overall dimensions of the pool and deck? asked by Rhett cowley 27. ## science A homeowner determined that he used 114 gallons of oil every month to heart his home during the winter. this information would be considered part of his ___________________. asked by help plzz 28. ## Calculus Find the point P on the graph of the function y=\sqrt{x} closest to the point (2,0) asked by JAY Z 29. ## Probability When two fair six-sided dice are rolled, there are 36 possible outcomes. Find the probability that either doubles are rolled or the sum of the two dice is 8. asked by Jessica 30. ## English Outlines should always provide information in chronological order. A.) True B.) False******************** Your outline must be followed during drafting; you should never adjust your outline after it is completed. A.) True B.) False********************* asked by Cassie 31. ## Constituion: Check? Thanks After 1788, states had no control over a.local government and education. b.the chartering of corporations. c.the development and administration of civil and criminal law. d.issuing legal currency. c? In Congress’s first session after the ratification of asked by foreveryoung_9914 32. ## Physic II a carnot heat engine operates between reservoirs at 550K and 300K, discarding 1500J of heat in each cycle. A) What is the engine's efficiency? B) How much heat is supplied to the engine by the hot reservoir in each cycle? asked by rujiye 33. ## Math If a pool deck of 650 square feet is to be laid with concrete 3" thick, what volume of concrete will have to be poured in cubic yards? (Give answer in nearest whole cubic yard.) asked by Rhett cowley 34. ## Probability All ships travel at the same speed through a wide canal. Each ship takes t days to traverse the length of the canal. Eastbound ships (i.e., ships traveling east) arrive as a Poisson process with an arrival rate of λE ships per day. Westbound ships (i.e., asked by A 35. ## Algebra 2 Can someone please explain how to do this problem? A 450 foot tall building is near a shorter building. A person on top of the shorter building finds the angle of elevation of the roof of the taller building to be 25 degrees and the angle of depression of asked by Jane 36. ## Math Which statement is NOT true for a pair of a intersecting lines? A. They form two pairs of congruent angles. B. They form four pairs of complementary angles. C. They form four pairs of supplementary angles. D. They form two pairs of vertical angles. Thanks asked by Mom G 37. ## Math A plumber is laying pipe. His assistant digs a trench in roughly the shape of a rectangular solid measuring 150 ft. in length, 9 inches deep along both sides, and 12 inches wide at the top and bottom. How many cubic feet of earth did he remove (to the asked by Rhett cowley 38. ## Statistics 220 suppose 59 cars start at a car race, how many ways can the top car finish the race? asked by linda 39. ## Calculus A fence is to be built to enclose a rectangular area of 310 square feet. The fence along three sides is to be made of material that costs 4 dollars per foot, and the material for the fourth side costs 12 dollars per foot. Find the dimensions of the asked by JAY Z 40. ## math A swimming pool 35 ft. long and 20 ft. wide is filled to an average depth of 5ft. How many gallons of water does the pool contain if a cubic foot holds 7 gallons? asked by Rhett cowley 41. ## Math A driveway 18 ft. wide and 36 ft. long is to be paved with concrete 3 in. thick. How many cubic yards of concrete are required? asked by Rhett cowley 42. ## Calculus A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of the rectangle. What is the area of the largest possible Norman window with a perimeter of 33 feet? asked by JAY Z 43. ## Calculus if the work required to stretch a spring 1 ft beyond its natural length is 12 ft-b, how much work is needed to stretch 9 inches beyond its natural length? asked by Rachel 44. ## College Algebra and Trigonometry A weight is attached to an elastic spring that is suspended from a ceiling. If the weight s pulled 1 inch below its rest position and released its displacement in inches after t seconds is given by x(t)=(5pt+p/3. Find the first two times for which the asked by Madlyn Roberts 45. ## Chemistry Calculate the change in pH when 5.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq). (I have several problems like this can some one work this through for me as a base line)? asked by Janavi 46. ## Math Help - 2 Questions 1. The Pythagorean Theorem can be used to find distances between two points on a grid. But what about finding distances in three-dimensional space? Consider a rectangular box, which has length l, width w, and height h. What is the distance from one corner asked by Josh 47. ## Trigonometric Functions The average depth of the water in a port on a tidal river is 4m. At low tide, the depth of the water is 2m. One cycle is completed approximately every 12h. a)Find an equation of the depth, d(t)metres, with respect to the average depth, as a function of the asked by Sam 48. ## business Research studies indicate that the referral approach is effective because: A. customers seldom trust a salesperson, but do trust a third party. B. customers may be far more impressed with your good points if they are represented by a third party, rather asked by Jacob 49. ## math Which equation shows the identity property of multiplication? a) 6 x 0 = 6 b) 6 x 4 = 4 x 6 c) (6x2)x4 = 6(2x4) d) 6 x 1 = 6 asked by Anonymous 50. ## Trig functions The average depth of the water in a port on a tidal river is 4m. At low tide, the depth of the water is 2m. One cycle is completed approximately every 12h. a)Find an equation of the depth, d(t)metres, with respect to the average depth, as a function of the asked by REALLY URGENT 51. ## physics 1 The drawing shows an intravenous feeding. With the distance shown, nutrient solution (ρ = 1050 kg/m3) can just barely enter the blood in the vein. What is the gauge pressure of the venous blood? Express your answer in millimeters of mercury. asked by Anonymous 52. ## Math What are the proceeds for a discounted loan for$300 repaid in 8 months at 17%?

4.) Three 20-Ù resistors are connected in series to a 9-V battery. What is the voltage difference across each resistor? 5.) Three resistors of 5 Ù, 10 Ù, and 2 Ù are connected in parallel with one another. What is the equivalent resistance of this

54. ## economics (7)

Assume that a $1,000 bond issued in 2012 pays$100 in interest each year. What is the current yield on the bond if it can be purchased for Instructions: Enter your responses as a percent rounded to one decimal place. (a) $1,200? Yield on$1,200 bond is =

55. ## Chemistry

Balance the redox equation. It occurs in acid solution. Sn(s) + H+(aq) = Sn2+(aq) + H2(g) I understand that first the equation needs to be put into halves. Sn(s) = Sn2+(aq) and H+(aq) = H2(g) Then, Sn(s) = Sn2+(aq) + 2e- and ? From here I am lost. Please

56. ## physics

Airplane flies at velocity of 400 mph and the wind is blowing north at 200 mph

57. ## Chemistry

Which substance has the higher entropy? a.) a sample of pure silicon (to be used in a computer chip)or a piece of silicon containing a trace of another element such as boron or phosphorus b.) O2(g) at 0 degrees C or O2(g) at -50 degrees C c.) I2(s) or

58. ## physics

A solid uniform sphere is released from the top of an inclined plane .25 m tall. the sphere rolls down the plane without slipping and there is no energy lost from friction. What is the translational speed of the sphere at the bottom of the incline?

59. ## Math

A card is drawn at random from a standard deck of 52 playing cards. What is the probability of drawing a red card or a black face card?

60. ## algebra 1

a glider flies 8 miles south then 15 miles east then flies in a straight line back to the airport. what was the distance of the gliders last leg back to the air port

61. ## Science

a 5 kg skateboard moves at 7 m/s^2 . What is the force of the skateboard? 35 N

62. ## Finance

Jungle, Inc., has a target debt−equity ratio of 0.84. Its WACC is 11.5 percent, and the tax rate is 34 percent. Required: (a) If Jungle's cost of equity is 14.5 percent, its pretax cost of debt is percent. (b) If instead you know the aftertax cost of

63. ## Math

There are 92 boys. There are 14 fewers girls. How many are the girls are there?

64. ## math (3)

Evaluate the first partial derivatives of the function at the given point.(0,e) f(x,y) = 6e^x ln(y) fx(0,e) = ? fy(0,e) = ?

65. ## Computer Programming I

Following is my Project 2. In Project 1, I wrote a program to draw square, rectangle and triangle and this is its second part. I could not figure it out how to do it. Any guidelines and suggestions would be highly appreciated. Project 2: Our customer was

66. ## Science

If a rock weighs 100 pounds on Jupiter, what will it weigh on earth?

67. ## College Algebra and Trigonometry

A weight is attached to an elastic spring that is suspended from a ceiling. If the weight s pulled 1 inch below its rest position and released its displacement in inches after t seconds is given by x(t)=(5pt+p/3. Find the first two times for which the

68. ## Probability

Suppose that you have two laptops, both of which you begin using at time 0. Each laptop will eventually fail, and we model each one's lifetime as exponentially distributed with the same parameter λ. The lifetimes of the two laptops are independent. One of

69. ## Chemistry

A small pebble is heated and placed in a foam cup calorimeter containing water at 25 °C. The water reaches a maximum temperature of 27 °C. If the pebble released 532.1 J of heat to the water, what mass (in g) of water was in the calorimeter?

70. ## Math (check)

Masaru works as a salesperson and earns an hourly wage plus commission.He works 35 hours per week, at a rate of $11.75 per hour. His commission is about$125.00 per week. his expenses account for about 85% of his income. A. How much money does he put into

107. ## Pre-Algebra

Write an expression for the model. Find the sum. A. 2 + 3; 5 B. 2 + (–3); 1 C. 2 + (–3); –1 D. –3 + 2; 5

108. ## Physics

You have a crane boom with a mass of 10000kg being held up by a cable and holding a weight of 2500kg. 1. Find the torque caused by the weight 2. Find the torque caused by the cable 3. Find the torque caused by any other force holding it in equilibrium

109. ## physics

A stone is thrown in vertical upward direction with velocity of 5 m/s. if the acceleration of the stone during it motion is 10 m/s2 in h downward direction, what will be the height attained by the stone and how much time will it take to reach there?

110. ## Chemistry

The following reaction is reactant-favored at equilibrium at room temperature. COCl2(g) = CO(g) + Cl2(g) Will raising or lowering the temperature make it product-favored?

111. ## Physics

Find the equivalent resistance in 16 ohms and 8.0 ohms connected in parallel.

112. ## chemistry

1.50 mol sample of helium at a certain pressure and temperature has a volume of 31.4 L. a second sample of helium at the same temperature and pressure has a volume of 42.4 L. Therefore the second sample contains how many moles of helium?

113. ## Math

You roll two cubes numbered 1-6. What is the probability that you roll two even numbers.

114. ## Ms. Sue

I just wanted to thanks to Ms.Sue for all of her help on behalf of everyone needing help on Jiskha Homework help. You have helped everyone find the correct answer and you are very knowledgeable with everything!!! Thanks Again -Lawyer

115. ## history

On Columbus's second voyage, he used force to subjugate the large island of _______ and _______ the indigenous population.

116. ## Chemistry

what is the specific heat of an unknown substance of 2000 j of energy required to raise the temperature of 4 grams of substances 5 degrees celsius

117. ## Physics

A cylinder with a movable piston has the square meter 24cm2. How far will the piston go down if 5.0 kg weight is laid on the piston and the temperature remains the same? P: 1.0 atm. Help please :)

118. ## Physics waves

1. A vibrating point on a spring travels 60 mm during three cycles. What is the amplitude of the vibration? a) 0.05 mm b) 5.0 mm c) 15.mm d) 20.mm e) 180 mm my answer: I got 10 mm but it is not listed as an option 2. When a tuning fork of unknown frequency

119. ## Math (6)

The formula below gives the surface area S of a human body (in square meters) in terms of its weight W (in kilograms) and its height H (in centimeters). S = 0.007184(W^0.425)(H^0.725) Compute SW and SH when W = 100 kg and H = 180 cm. SW = ? SH = ?

120. ## Math 222

find the domain of each rational expression in set notation. x^2-36 divided by 3x 7w-2 divided by 16w^2-1 Then do both rational expressions have excluded values in their domains? If yes, explain why they are to be excluded from the domains. If no, explain

121. ## English

Dr. Seuss is an authorwhovis famous for his original and clever children's book

122. ## AP Literature

Identify the figure of speech in this sentence: "Anyone who calls a spade a spade should be compelled to use one." --Oscar Wilde Simile Metaphor Personification Analogy Hyperbole None of these I'm torn between personification and none of these, however I'm

123. ## math

a plane leaves Vancouver headed for Toronto of a speed of 700 km/hr. Half an hour later a planes leaves toronto headed to vancouver travelling at a spped of 750 km/hr. the distance between vancouver and toronto is 3420 kn. How long after the plane leaves

124. ## Probability

For hair color, Brown (B) is a dominant trait and Blond (b) is a recessive trait. If one parent has pure blond hair and one parent has hybrid brown hair, complete the Punnett square and questions that follow. a) What is the probability that their first

125. ## English

I'm writing a compare and contrast paper. My question is when I use transitional word showing contrast do I use a comma right after transitional word. Ex. Unlike, Keysha's job, my job is easier.

126. ## Algebra

Using the ac method factor the trimonials. 15x^2 + 31x+2=

127. ## statistics

A researcher was interested in assessing the effectiveness of the Statistics Diet as compared to a regular low calorie diet on weight loss. In the study, obese participants were randomly assigned to one of two groups: (1) the Statistics Diet, which

128. ## statistics

For hair color, Brown (B) is a dominant trait and Blond (b) is a recessive trait. If one parent has pure blond hair and one parent has hybrid brown hair, complete the Punnett square and questions that follow. a) What is the probability that their first

129. ## Physic

Child 1 is 2.0 m from the axis of rotation, and child 2 is 1.5 m from the axis. The merry-go-round completes one revolution every 4.8 s. Find the angular speed of each child. (Answer: For both child is 0.278rev/s) Please show all work on how to get the

130. ## physics

A climber stands on a ledge on one side of a valley. He claps his hands and hears an echo from the opposite side of the valley 1.6 s later. How wide is the valley?

131. ## Computer

A router receives an IPv4 packet. The source ip address is 10.55.72.234. the destination host is 10.4.6.7. the TTL value is 1. The protocol field value 6. What will the router do with this packet?

132. ## algebra

Statistical information for a data set is given. • The mean is 18.1 • The z-score for 13.0 is -1.7 What is the standard deviation for this data set? f 3.4 g 1.7 h 5.1 j 3.0

133. ## biology

what are three ways that DNA mutation can alter genetic material?

134. ## Chemistry - check answers

1) Which of the following sets is arranged according to increasing base strength? A) F-, OH-, Cl- B) F-, Cl-, OH- C) OH-, F-, Cl- D) OH-, Cl-, F- E) Cl-, F-, OH- (my answer) 2) What is the pH of a solution formed by adding 4.3 x 10^-5 moles of KOH in 1 L

135. ## Biology help

what is the name of the process that happens in the matrix of the mitochondrion? What is the name of the process that happens last in cellular respiration and takes place on the inner membrane?

136. ## Algebra

$5400 is invested, part of it at 10%, and part of it at6%. For a certain year, the total yield is$444.00. How much was invested at each rate?

137. ## Calculus

A fence 8 feet tall runs parallel to a tall building at a distance of 6 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?

138. ## Chemistry

How would you write the net ionic equation for [Co (en) 2Cl2]Cl with AgNO3. Is it AgNO3 ----> Cl^- + 3Ag^+?

139. ## Constituion

Why did Federalists believe that a federal bill of rights was unnecessary? After the ratification of the Constituion anyways, lol. Thanks

140. ## Statistics

A 95% confidence level for the difference between u1 and u2 runs from -2 to +6. From this we can infer that a. u1 is probably greater than u2. b. u1 is probably less than u2. c. there may be no difference at all between u1 and u2. d. the difference between

141. ## Math (Functions)

What are some equivalent expressions of tan170?

142. ## CHEMISTRY HELP !!!!

Cell Designation : E (measured) = Sn I Sn^2+ II Cu^2+ I Cu Temp= 3 Celsius Temp= 276.15 Kelvin Delta G= ????? Show work please!!!!

143. ## statistics

A fictional study was used to examine the effect of a new antianxiety drug on levels of anxiety. Sixty participants were randomly assigned to one of two groups: 1) new antianxiety pill and 2) placebo pill. One hour after taking the medication or placebo,

144. ## Math Help 2 Questions Urgent!

1. The Pythagorean Theorem can be used to find distances between two points on a grid. But what about finding distances in three-dimensional space? Consider a rectangular box, which has length l, width w, and height h. What is the distance from one corner

145. ## math (8)

Find the second-order partial derivatives of the function. f(x,y) = x^5 + x^2y^2 + y^4 + x + y a. fxx = ? b. fyy = ? c. fxy = ? d. fyx = ?

146. ## Probabitilty

For hair color, Brown (B) is a dominant trait and Blond (b) is a recessive trait. If one parent has pure blond hair and one parent has hybrid brown hair, complete the Punnett square and questions that follow. a) What is the probability that their first

220. ## Math

Thank You Ms Sue but I don't know how you got 4.33 x 3.33? Josh

3y + 2x = 3

222. ## math

what percent is 6,944.85 of 154,330.00

223. ## math

-2d + 18 - 4d = 60

224. ## Math

(y^2-y+2)/(y+2)

225. ## Algebra 2

five to the 4xpower = 90

226. ## Algebra 2

4x=log base 5 of 90