1. Math "Need Help Asap"!

1. Which of the following is an example of a dependent event? (1 point) A.flipping two coins B.rolling a number cube and spinning a spinner C.choosing two scoops of ice cream D.choosing a cookie at random, eating it, and then choosing another at random 2.

2. Life orientation

1.identify 3 human rights violation or discrimination and explain in an introductory paragraph why you choose the specific human rights violation or discrimination 2.Describe the 3 human rights violations or discriminations you selected and give at least

3. Science

Im sorry i am totally stumped What is the main difference between mechanical and electromagnetic waves A. Mechanical waves involve the transfer of energy; electromagnetic waves do not B. Mechanical waves require a medium to travel in; electromagnetic waves

4. Math

When Scrooge tells Marley that Marley was always “a good man of business,” in Act 1, Scene 3 of A Christmas Carol: Scrooge and Marley, Marley responds, “BUSINESS!!! Mankind was my business. The common welfare was my business; charity, mercy,

5. math

What is the probability of getting an even number when rolling a six-sided number cube? 0.5 5% 2/6 30% You place the letters for the word smart in a bag. What is the probability of choosing a letter that is NOT a vowel? (remember vowels A, E, I, O, and U.)

6. Science (please check Ms. Sue)

Please check this. Thanks! 1. Which of the following shows fossils as evidence of continental drift? a. Limestone layers in the Appalachian Mountains of North America were exactly the same as the limestone in Scotland’s highlands. b. Mesosaursus, an

7. L.A.

What is the preposition in the sentence: The children sat under the tree. A. Sat B. Children C. Under D. The I think C or D

8. La

Poets use imagery and words with different connotations and denotations. In a paragraph, define and provide an example of imagery, connotation, and denotation. Then, explain how poets use these elements to contribute to tone in a poem. Support your answer

9. math

Cyndee wants to invest \$50,000. Her financial planner advises her to invest in three types of accounts: one paying 3%, one paying 5 1/2%, and one paying 6% simple interest per year. Cyndee wants to put twice as much in the lowest-yielding, least-risky

10. prealgebra

1. Rename 7/20 as a percent A. 35% B. 14% C. 30% D. 28% 2. Rename 0.245 as a precent A. 245% B. 24.5% C. 2.45% D. 25% 3. rename 28% as a decimal and fraction in its simplist form. A. 0.28 and 28/100 B. 0.2 and 2/100 C. 0.28 and 7/25 D. 2.8 and 7/25 4. Put

11. prealgebra

1. You roll a number cube numbered one to six 12 times. P(5)=2/3. What type of probability is illustrated and why? A. experimental; the results is based on the numbered of possible outcome. B. experimental;the results is found by repeating an experiment C.

12. Math

Directions: Follow the instructions below to design a fair race for the new video game Animal Tracks. 1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. (I

13. prealgebra

2. You tossed a coin 15 times. P(heads) 2/5= A. experimental;the results is based on the number of possible outcomes. B. Experimental; the results is found by repeating an experiment' C. theoretical; the results is based on the number of possible outcomes.

14. Math "Need Help Asap"!

1.)There are 35 marbles in a bag:9 blue marbles, 8 marbles, 4 red marbles, 4 red marbles, 8 white marbles, & 6 yellow marbles. Find P(Red). Write the probability as a fraction in simplest form, a decimal, & a percent. A.)4/31, 0.129, 12.9% B.)4/35, 0.114,

15. La

Write a brief essay discussing the use of imagery in both "Grandma Ling" and "your little voice." Examine the ways in which each poem uses images to convey the emotions or attitudes of its speaker. i need help

16. Chemistry-Dr.Bob222

Calculate the molar solubility of calcium hydroxide in a solution buffered at each pH. a. pH=4 b. pH= 7 c. pH=9

17. prealgebra

2. You tossed a coin 15 times. P(heads) 2/5= A. experimental;the results is based on the number of possible outcomes. B. Experimental; the results is found by repeating an experiment' C. theoretical; the results is based on the number of possible outcomes.

18. Chem

Consider the following balanced equation: 2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g) Complete the following table showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of the

19. Math

Its area is given as 18,900 cm2 and the width as 1.8 m. What is the backboard’s length in metres? m

20. Science

Which of the following statements is true about Earth's magnetic poles? A.They are located at earths geographic poles B.They are the areas where Earths magnetic field is weakest. C. They are the areas where Earths magneic field is strongest. D. Earth has

21. MATH PLS HELP

19 WorkPad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your

22. Algebra

If sin A=-7/25 and angle A terminates in Quadrant IV, cos A equals.. A. -24/25 B. -7/24 C. 24/25 D. 7/24 PLEASE HELP

24. life orientation

How the fraud and corruption affected the offender's career?

25. History

President Andrew Johnson said "this is a country for white men." How did he act on this belief? A. He appointed the Republican Cabinet B. He refused to take the presidential oath of office C. He vetoed most reconstruction legislation D. He withdrew the

26. Physics

A container of gas is at a pressure of 1.3x10^5 Pa and a volume of 6.0m^3. How much work is done by the gas if it expands at constant pressure to twice its initial volume? Please help ;_;

27. physics

an archer standing on a cliff 48m above the level field below shoots an arrow at an angle of 30• above horizontal with a speed of 80m/s.how far from the base of the cliff will the arrow land.

28. Algebra

Chantel drew a picture of her dog on a piece of paper that is 12 centimeters long. She used a copy machine to enlarge her drawing. She used the 115% setting to make each new copy. She then used each new copy, using the same copier setting. Enter an

29. chemistry

A student designs an ammeter (a device that measures electrical current) that is based on the electrolysis of water into hydrogen and oxygen gases. When electrical current of unknown magnitude is run through the device for 1.00 min , 15.4 mL of

30. Finance

You want to be able to withdraw \$25,000 from your account each year for 20 years after you retire. If you expect to retire in 25 years and your account earns 7% interest while saving for retirement and 6.7% interest while retired Round your answers to the

31. Economic

1.what are welfare payments or consumer subsidies? 2.what is the south African government providing and to whom? 3.what are costs and consequences of providing the subsidies and welfare ? 4.are there any welfare or payments that should be reviewed or

32. PreCalc

The temperature T(t) varies sinusoidally on a certain day in December. The minimum temperature is 35 degrees Fahrenheit at midnight. The maximum temperature is 50 degrees Fahrenheit at noon. Let t be the number of hours since midnight (t=o at midnight).

33. calculus

A rectangular closed box with a square base is to have a capacity of 27 cubic inches determine the least amount of material required.

34. Probability

Mr.Roy needs two students to help him with a science demonstration for his class of 18 girls and 12 boys. He randomly chooses one student who comes to the front of the room. He then chooses a second student from those still seated. What is the probability

35. L.O

What is restorative justice intentions in process of human rights

36. Life orientation

How the fraud and corruption affected the offenders carrer

37. Probability

A school survey found that 9 out of 10 students like pizza. If three students are chosen at random with replacement, what is the probability that all three students like pizza? Answer with 3 decimal places.

38. Math "Need Help Asap"!

1..)Which of the following are independent pairs of events? Check all that apply. A.Flipping two coins and having one show a head and the other show a head B.Being sneezed on and catching a cold C.When rolling a pair of dice, getting a total of 6 and

39. Solid Mensuration

A closed cylindrical container 10 feet in height and 4 feet in diameter contains water with depth of 3 feet and 5 inches. What would be the level of the water when the tank is lying in horizontal position?

40. Chemistry-Dr.Bob222

Consider the compounds with the generic formula listed and their corresponding molar solubilities in pure water. Which compound has the smallest value of Ksp? a. AC; molar solubility = 1.35 x 10^-4 M b. AX2; molar solubility = 2.25 x 10^-4 M c. A2X; molar

41. PreCalc

As you ride a bicycle, the distance between your foot and the pavement varies sinusoidally with the horizontal distance the bicycle has gone. Suppose that you start with your right foot somewhere between a high point and a low point, and push down. When

42. matc

Al invests \$5,500, at 6% interest, compounded monthly for one year. Calculate the annual percentage yield for his investment.

43. Chemistry

Red mercury (II) oxide decomposes to form mercury metal and oxygen gas according to the following equation: 2HgO (s) yields 2Hg (l) + O2 (g). If 4.00 moles of HgO decompose to form 1.50 moles of O2 and 603 g of Hg, what is the percent yield of this

44. Physics

A boy stands between two vertical wall and fires a rifle. Under what condition will he hear a single echo from both walls? Calculate the distance between the walls if the single echo is heard six seconds later

45. Physics

A spring of natural length 1.5m is extended 0.0050m by a force of 0.8N, what will its length be when the applied force is 3.2N?

46. Chemistry

How many grams of ethanol, C2H5OH, are required to make a 7.1M solution using 1.50 L of water

47. physics

The half-life of the plutonium isotope is 24,360 years. If 10 grams of plotonium is released into the atmosphere by a nuclear accident, how many years will it take for 80% of the isotope to decay?

48. Geometry

In circle O, PQ = 20, RS = 20, and the measure of arc PT is 35. Find the measure of arc RS.

49. Chemistry

Which of the following will be more soluble in an acidic solution than in pure water? Ag2SO4 CuI RbClO4 AlPO4 Cd(OH)2 Is the answer the first and second?

50. english

“There is little reason to fear that women will acquire too much courage or fortitude, for their apparent inferiority…” What choice most closely defines the underlined word?

51. pseudo code algorithm

Convert your algorithm from Question One into a complete Java application. Marks will be allocated based upon: ● Your Java code matching your pseudo code algorithm from Question One. ● Your Java code being syntactically correct. ● Your Java code

52. algebra

A soccer ball is kicked toward the goal. The height of the ball is modeled by the function h(t) = −16t2 + 48t where t equals the time in seconds and h(t) represents the height of the ball at time t seconds. What is the axis of symmetry, and what does it

53. science

The angle between incident ray and the mirror is 30° a. What is the angle of incidence b. What is the angle of reflection?

54. English

African slaughter rituals should be allowed in surbabs y?

55. physics

home / study / science / physics / questions and answers / a block of mass 3kg s sliding along the frictionless ... Question A block of mass 3kg s sliding along the frictionless horizontal surface with a speed of 2m/s. 1. What is the kinetic energy of the

56. algebra

A geometric sequence is defined by the general term tn = 75(5n), where n ¡ÊN and n ¡Ý 1. What is the recursive formula of the sequence?

57. Re-post - Science - from Spitfireredhead

Posted by SpitFireRedHead on Wednesday, April 27, 2016 at 8:23am. Please check this. Thanks! 1. Which of the following shows fossils as evidence of continental drift? a. Limestone layers in the Appalachian Mountains of North America were exactly the same

58. life orientation

Identify your human rights violation or discriminations and explain in an introductory paragraph why you choose the specific human rights violations or discrimination

59. Chemistry

The molar solubility of magnesium chloride in water is 0.23 M. What is the numerical value for Ksp for MgCl2? Suppose you wanted to reduce the concentration of dissolved Mg2+ to 0.00537 M by adding NaCl. What concentration of NaCl would you need?

60. physics

A force of 2-Newtons will stretch a rubber band 2/100 meters. Assuming that Hooke’s Law applies, how far with a force of 4-Newtons stretch the rubber band? How much work does it take to stretch the rubber band this far?

61. help !! chemistry

H2O(g) + Cl2(g) 2 HCl(g) + ½ O2(g) Heat of Reaction is WebAssign will check your answer for the correct number of significant figures. kJ Changed: Your submitted answer was incorrect. Your current answer has not been submitted. Information: COCl2(g) +

62. Math

In the SmallState Lottery, three white balls are drawn (at random) from twenty balls numbered 1 through 20, and a blue SuperBall is drawn (at random) from ten balls numbered 21 through 30. When you buy a ticket, you select three numbers from 1-20 and one

63. Physics

a cube slides down a frictionless incline as shown and inelastically strikes a cube at the battom of the incline that's 1/2 (one-half) it's mass. The coeff. of restitution between the two masses is 0.7. If incline is 30 cm high and table is 90cm off floor,

64. Math

The scariest dining of requip there are 450 students and 50 on each School Bus. How many buses are needed to take in the trip? If 10 more students decide to come, how many buses do you need then?

65. Honors Algebra 1

Sean intends to collect \$500 in individual donations for a charity. His company will contribute \$2 for every donation collected. Write and graph an equation that gives the average amounta (including the company contribution) that the charity will receive

66. math

a container is coated with 2 layers of specialty paint that costs \$6.05 each jar of paint covers 800 cm how does the paint cost

67. ENGLISH

GIVE ME THE MAIN POINT AFRICAN SLAUGHER RITUALS SHOULD BE ALLOWED IN SUBURBS

68. Geometry

The surface area of a right cylinder is 112 pi cm ^2. If the radius is 4cm, what is the height of the cylinder?

69. Chemistry

What are the concentrations of acetic acid (pKa = 4.76) and acetate in a buffer solution of 0.15 M at pH 4.5? Please help me do this problem. I have no idea how to do it.

70. prealgebra

simplify 6^P2 A. 30 B. 15 C. 12 D. 720 Is the answer A?

71. science

Give five application of Doppler Effect in science

72. chemistry

explain how you can obtain pure samples from a mixture containing ammonium chloride,copper(ii)oxide and potassium carbonate

73. Life Orientation

Identify 3 human rights violations or discrimination

asked by example of human rights violations or discriminati
74. physics

home / study / science / physics / questions and answers / a 10kg block slides towards the 3kg moving block ... Your question has been answered! Rate it below. Let us know if you got a helpful answer. Question A 10kg block slides towards the 3kg moving

75. Physics

An archer puts a 0.29 kg arrow to the bow- string. An average force of 224.8 N is exerted to draw the string back 1.44 m. The acceleration of gravity is 9.8 m/s2 . Assuming no frictional loss, with what speed does the arrow leave the bow? Answer in units

76. college mathematics

d. Find the volume of a rectangular box that measures 6 inches by 4 inches by 2 inches.

77. US History

Hello, I am filling out a study guide for a test coming up in two days, and I can not seem to find this answer in my text book. Could someone please help? Which of the following is true of the Korean conflict? A. It ended with an enormous American victory.

78. physics explanation

When a baseball gets hit by a baseball bat, what different mechanical models would be used to find where the ball will land, how & when each Mechanical model would be put to use, and how each model describes & explains motions

79. Chemistry

Methyl amine is a weak base with a pKb=3.35. Consider the titration of 30.0mL of .030M of Methyl amine with 0.025M HCl. a) Write the appropriate equation for the reaction. b) Calculate K for the reaction in part (a). c) Calculate pH of the initial methyl

80. chemistry

explain how you can obtain pure samples from a mixture containing ammonium chloride,copper(ii)oxide and potassium carbonate

81. PHYSICS VOLUME QUESTION!

You are watering your lawn with a hose when you put your finger over the hose opening to increase the distance the water reaches. If you are pointing the hose at the same angle and the distance the water reaches increases by a factor of 4, what fraction of

82. pseudo code algorithm

Write a pseudo code algorithm which: • Determines the average weight of a person over a particular year. • For each month, your algorithm should input the person's weight for that month (a positive real number). Your algorithm should loop, repeating

83. calculus

A rectangular lot has a perimeter of 320meters determine the maximum area of the lot

84. Trig

Solve each equation for exact solutions over the interval [0,360)where appropriate. Round approximate solutions to the nearest tenth degree. Sin^2Theta=Cos^2Theta+1 My Work: Using double angle Identity I subtract 1 to other side therefore:

85. Physics! Volume!! HELP

An object hanging on a scale reads 24.0g when submerged in water, but 48.0 g when submerged in oil (specific gravity 0.80) Find the density of the object.

86. Math

ann went shopping and spent half her money on a dress a third on a t shirt and a tenth on a cd . She returned with 15 dollars . how much money did she have to begin with

87. math

what number am I? My ten-thousands digit is 4 less than my thousands digit. My thousands digit is 3 times my hundreds digit. My hundreds digit is 1/2 tens digit. My tens digit is 6. My ones digit is 3 more than my tens digit.

88. statistics

A USU Today survey found that of the gun owners surveyed 275 favor stricter gun laws. The survey Involved 500 gun owners. Test the claim that a majority (more than 50%) of gun owners favor stricter gun laws. Use a .05 significance level.

89. Chemistry

3. Which aqueous solution would you expect to have the lowest freezing point? 0.10 molal glucose, C6H12O6 or 0.10 molal NaCl solution

90. statistics

The Phillies were accused of cheating their beer customers by not putting enough beer in their 12 oz cups. When 15 cups were selected at random, they were found to have a mean of 11.7 ounces with a standard deviation of 0.5 ounces. At the .01 significance

91. Chemistry

Consider the titration of a 50.0 mL 0.500 M F- with 0.500 M HCl. The pKa of HF = 3.46 and the pKb of F- is 10.54. Calculate the pH at the following volumes of HCl added. 1. Vsa= 0.00 mL of 0.500 M HCl 2. Vsa= 25.0 mL of 0.500 M HCl 3. Vsa= 49.5 mL of 0.500

92. algebra

if 1, 2, 7 and 20, respectively, are added to the first terms of an arithmetic progression, a geometric progression of four terms is obtained. find the first term and common difference of the arithmetic progression the answers are both 3 .. but i don't

93. Trig

While fishing on a lake, the fisherman looks up at a cliff. His boat is 23 ft from the base of the cliff, and the angle of elevation is 40 degrees. Find the height of the cliff to the nearest tenth of a foot.

94. algebra

A miniature-doll collector has a total of 254 unique dolls. The collector can afford to add 3 unique dolls a week to the collection. Which algebraic expression represents the number of unique pieces the collector has at the end of w weeks?

95. PHYSICS-

Given a plastic rod and fur,explain how you would charge the electroscope positively and negatively.

96. Math

ann went shopping and spent half her money on a dress a third on a t shirt and a tenth on a cd . how much money did she have to begin with

97. Physics

A plane travels 1000 km at an angle of 40 degrees East to North, then changes direction and travels 500 km at an angle of 20 degrees North to East. What is the magnitude and direction of the planes total displacement?

98. Math

A man 6 feet tall is standing 4 feet away from a 20 foot lamppost. How long is the lampposts shadow?

99. Science

In a series circuit if the circuit resistance is 560ohms and the inductive reactance is 1200ohms, what would be the voltage drop across the inductor

100. Math

During a tournament, 4 players on the school golf team drank equal amounts of water from a 6-liter water jug. They drank all of the water. Which equation can be used to find the number of liters of water that each player drank?

101. ethics

Approaching moral issues and ethical situations from each of the major ethical frameworks means deciding with duties or with any of the following EXCEPT: A. deciding with consequences. B. deciding with virtue C. deciding with care. D. deciding with

102. Physics

A plane travels 1000 km at an angle of 40 degrees East to North, then changes direction and travels 500 km at an angle of 20 degrees North to East. What is the magnitude and direction of the planes total displacement?

103. math

you need 1 1/4 cups of sugar to make 20 cookies. to make 6 cookies, you need___ cups of sugar?

104. Math "Need Help Asap"!

4.)In the expression "-5x- 4x^2 +9", what is the coefficient of "X"? A.)-4 B.)-5 C.)5 D.)9

105. Calculus

Sketch the region enclosed by the curves given below. Decide whether to integrate with respect to x or y. Then find the area of the region. y=4cos(x),y=4−8x/π. I thought it was the integral of 4cos(x)- the integral of 4- 8x/π on the interval 0 to π/2.

106. Physics Rolling Motion!!

A spherically symmetric object with radius R= 0.51m and mass of M= 3.5kg rolls without slipping accross a horizontal surface with velocity of V = 4.4m/s. It then rolls up an incline with an angle of 30 degrees and comes to rest a distance d = 2.2m up the

107. Chemistry

You are investigating the effect of strong base on the solubility of zinc hydroxide, Zn(OH)2 (s). (Ksp= 3 x 10- 15 for Zn(OH)2 (s)) You prepare 1.0 L solution of 0.10M NaOH and add excess zinc hydroxide, Zn(OH)2 (s). Instead of suppresing the solubility,

108. Math

Sam had foreign stamps and local stamps. After giving 1/4 of his foreign stamps and 11 local stamps, he had an equal number of foreign and local stamps. How many local stamps did he have in the beginning? I got 32 for the answer by guessing and checking

109. Physics

A ball of mass m=4.6, at one end of a string of length L=6.6, rotates in a vertical circle just fast enough to prevent the string from going slack at the top of the circle. Assuming mechanical energy is conserved, the speed of the ball at the bottom of the

110. college mathematics

e. Find the volume of a sphere with a radius of 8 meters. please show work.

111. Geometry

The measures of the interior angles of a triangle are in the ratio 1:2:3. what is the measure of the smallest angle of the triangle is?

112. 8th grade math - system of equations

I'm not sure how to solve these. Solve using any method (substitution or elimination) 23. The sum of two numbers is 27. The larger number is three more than the smaller number. What are the two numbers? Ans: l = large; s = small l + s =27 and l = 3S 3s + s

113. Physics

What is the maximum mass of a rubber block that can be pulled by a rope whose maximum tension is 3500N? The block is sitting on dry asphalt. (By the way, 1.2 would be used as the coefficient of static friction and 0.8 is the coefficient of kinetic friction

114. accounting

bought merchandise on account. Received a two and a half percent trade discount. The gooda were originally marked at 3200 rand (i.e.before the trade discount) which source document will be used and what will the accounting equation be??

115. Math

The yogurt cart has the following three flavors: chocolate, vanilla, and strawberry. Yogurt comes in a cup or a cone. You can have no sprinkles, chocolate sprinkles, or rainbow sprinkles. How many different choices are there?

116. Pre-Calculus

suppose y is directly proportional to x. if y=6 when x=4, find the constant of proportionality and write the formula for y as function of x. Use your formula to find x when y=8.

117. chemistry

how do i get pure samples from a mixture of potassium carbonate,ammonuim chloride and copper (ii)oxide

118. Math/Precal

An earthquakes magnitude is measured on the richter scale and "E" is the energy released in kilowatt hours. How much "E" was released when an earthquake measured 7.5 on the richter scale in guatemala in 1977? R=0.67log0.37E+1.46

119. SCIENCE

Which of the following gases occupy the smallest volume at STP? a 4.032 g H2 b 1.000 mol of carbon dioxide c 6.022 × 1023 molecules of O2 d 35.45 g Cl2

120. ELA

how does the author reveals the theme of the drummer boy of shiloh

121. Physics Volume question!!!

You are watering your lawn with a hose when you put your finger over the hose opening to increase the distance the water reaches. If you are pointing the hose at the same angle and the distance the water reaches increases by a factor of 4, what fraction of

122. Math

Emilio left Main Road at 8 A.M and arrived at Lame Lane at 2 P.M. His average for the whole journey was 60 mph. For the first 70% of the trip, he drove at an average speed of 65 mph. For the next 25% of the remaining trip, his average was 54 mph. Find his

123. maths

Combine into one log: log √ x + 1 + 9 log x i.e. rewrite as an expression of the form log u, where u is a function of x.

124. Physics

A bullet of mass 200 grams is forced with work speed of 400 m/s of it is stopped in 100 m, Find: a.) KE b.) Force needed to stop it

125. CHM130

C6H12 (g) + 9 O2 (g) ----> 6CO2 (g) + 6 H2O(g) How many L of oxygen gas is needed if we produce 5.66 L of CO2?

126. Chemisty

By titration it is found that 12.1 mL of 0.130 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution.

127. Math

Allan gave 5/8 of his money to his son and then gave his daughter 1/2 of the remainder. He kept \$150.00 for himself. How much money did Allan have at the beginning? How much money did his son get?

128. calculus

What are the dimensions of a rectangular field of area A that requires the least amount of fencing.

129. math

A necklace is made up of 50 spherical beads. Each bead has a radius of 8 millimeters. What is the volume of the necklace? What is the surface area?

130. Calculus

give a parametrization of the ellipse x^2/25 + y^2/9 =1 that travels once counter clockwise in an interval at belongs to (0, 2pi)?

131. chemistry

Thanks for your help. I have a problem to solve et don't know how to do part of it. We have a solution of XNO3 (X = monovalent cation We add a solution of K2SO4. We obtain an insoluble sulfate which precipitate and KNO3 The precipitate = 3.900 g The

132. pre calc

A 50 gram sample of radioactive strontium will decay to 32 grams in 18 years. a. Find an equation that will model how much of our sample M will remain after t years.

133. energy

A 9.97kg object slides along the frictionless loop the loop with a diameter of 3 m . what minimum speed must it have at the loop in order to remain in contact with the loop ?

134. Math

In the formula d=rt d represents distance in miles, r represents average speed in miles per hour, and t represents time in hours.What is an automobiles average speed if it travels 60 in 1 1/2 hours?

135. Maths

Bob has 15 more cards than Alan. Colun gives Bib 25 cards. Bob now has 3 times as many as Alan. How nany has Alan got?

136. math 102

a box of light bulbs contains 95 good bulbs and 5 bad ones. if 3 bulbs are selected at random from the box, what is the probability that 2 are good and 1 is bad

137. math

how long would it take money to triple in an account with a one-time deposit earning 9% interest compounded two times per year?

138. Math

Martin paid \$120 towards his \$2400 credit card bill. What percentage of his bill did he pay?

139. math

Find an equation of the line that (a) has the same y-intercept as the line y+2x-12=0 and (b) is parallel to the line 5x+12y=8 Write your answer in the form y=mx+b

140. physics

A 10kg block slides towards the 3kg moving block to create a totally inelastic head on collision. The 3kg block comes to a stop after the collision. 1. What speed must the 10kg block be moving at prior to the collision for this to occur? 2. Instead of

141. Math

What is the mystery number sentence? Its factors are divisible by 3. Its factors are divisible by 10. Its product is greater than 2500. Its product is less than 3000.

142. Chemistry

Determine the mass, in grams, of water contained in 0.25 litres of aqueous solution that has 10% dissolved salt and density equal to 1.10 g/cm3

143. Math

How do i express y as a function of x. Logy=1/3(logx-log27)

144. maths

Given that log x = 5.5 and log y = 3.8, evaluate log (x2 y3)

145. Chemistry

A sample of sulfur hexafluoride gas (SF6) occupies a volume of 3.230 Liters at 7.011 x 101 oC. Assuming the pressure is constant, what will the final temperature be (in o C) if the volume is increased to 7.350 Liters?

146. American history

The growth of the service economy in the 1990's caused A. an increase in American blue-collar jobs, such as coal mining and steel making. B. a decrease in new small businesses. C. a new industry-based economy. D. an increase in white-collar jobs, such as

147. maths

expand each of the following using the compound angle formulae a. cos(A - B) b. sin(alpher + alpher) c. cos(alpher + 70°)

148. physics

Agirl holding aball of diameter 30cm stands 4m in front of a large flat miror . Where and how large is the of the ball?

149. Discrete Structures

Consider the divisibility relation on the set S = {-5,-3,-2,2,3,5} To be more precise, this is the relation: R = {(x, y) ∈ S^2| x divides y}. Is the relation Reflexive? Symmetric? Anti-symmetric? Transitive? ----------------------- The relation is

150. Math

Let z and w be complex numbers such that |z| = |w| = 1, and zw is not equal to -1. Prove that (z + w)/(zw + 1) is a real number.

151. Math

Dana has carpet squares that are 1/2 yards wide. She has a hallway that is 4 1/2 yards by 3 yards that she needs to cover. How many carpet squares does Dana need?

152. Math

A wall is 8 feet high and 10 feet long. How much wallpaper is needed to cover it?

153. Math

How can i find misleading graphs on the news online??

154. algebra

Find the equation for the line that passes through the points (58,1532) and (13,14). Give your answer in point-slope form. You do not need to simplify.

155. science

which of the following cellular organelles is responsible for realising the energy contained in food

156. math

A fish in an aquarium is 4 feet long. A scale model of the fish is 2 inches long. What is the scale factor?

157. Math

Kairi and Jacob have \$80 for movies and dinner. If the movies cost \$12 per person and \$10 for a large popcorn and two pops, how much money do they have left for dinner? What equation would be best to use for this problem?

1. What was the Doolittle Raid? A: The Doolittle Raid was the first air raid by the United States on the Japanese capital Tokyo during WWII. Led by Lieutenant Colonel James Doolittle, this raid had to be executed twelve hours early due to the U.S. carriers

159. Precalculus

Let z and w be complex numbers such that |z| = |w| = 1, and zw is not equal to -1. Prove that (z + w)/(zw + 1) is a real number.

160. Math

Can someone please explain to me how I can add fractions with UNLIKE denominators? Thanks!

161. pre-calculus

Rewrite the following expression as an algebraic function of x sin(arccos(x/2)) I know sine is y, which is opposite over hypotenuse. I also know that arccos is the inverse of cosine. I'm confused on what the question is asking and what to do with the x.

162. Chemistry

What is the osmolality of 1.1% NaCl salt solution? How can I calculate this?

163. SCIENCE PLZ HELP YES OR NO ANSWER

DOES THE GALAXY ANDROMEDA HAVE A SUN? I THINK IT DOESN'T BUT IM NOT SURE PLZ HELP THX! ~Sparkles_01

164. social studies

Identify five ways in which individuals can apply the concept of independence and self reliance in their lives.

165. Algebra

A field is six times as long as it is wide. If the perimeter is 420 FT, find the dimensions of the feild.

166. math

Solve each equation by using the Quadratic Formula. Round to the nearest tenth if necessary. 1.6x2 + 2x + 2.5 = 0

167. Math

what fraction of a pizza remains if Joe ate 4/5 of 1/2 a pizza

168. Probability

A single card is drawn at random from an ordinary deck of cards. Find the probability that is either an ace or a black card. Answer to 3 decimal places.

169. sc

A car is moving on a straight road due north with a uniform speed of 50km/hour when it left through 90degree if the speed remains unchanged after turning the change in velocity of the car in turning process is

170. maths

Simplify 3 log9 92

171. math

ad is the median of triangle abc. m,n are points on ab,ac. ad intersection mn =k. if mk=kn then prove that mn is parallel to bc.

172. Governmental and Not-for-profit Accounting

Please identify at least five similarities and five differences between government organizations and ONPOs

173. algebra

the sum of 2 numbers is 83. three times the smaller number is subtracted from the larger number is 19. how do i set this problem up?

174. Algebra

In an expedition to seize his enemy's elephants, a king marched 2 yojanas the first day. Say, intelligent calculator, with what increasing rate of daily march did he proceed, since he reached his foe's city, a distance of 80 yojanas, in a week?

175. science

What is the Biosphere ?

176. Genetics

Suppose a dominant gene for a particular disease is found on the X chromosome and is denoted as X^D. The mother is X^D X^D and the father is XY. What percent of the couple's children will show the disease? I understand how it works if the X^D gene was

177. Emergency Easy QUESTION

1.)Can being in low classes in high school affect you in college? If so then please explain because I'm worried.

178. Geography

What is the formula for the area of a hexagon

179. science

how would you produce a pure sample of hexane

-6(4x+9)

181. Math

A childs rectangular pool is 12 feet long 6 feet wide and 3 feet deep what is the volume of water it can hold

182. Math

What are the transformations of: f(x)=-log(2-x)+3

183. LA (Ms. sue?)

The phrase closest in meaning to destined for is a) meant for* b) married to c) interested in d) loved by please help idk if it's a or c!! Ms.Sue?

184. Calculus

Find the 4th Taylor polynomial, P4, generated by f(x) = 1/x at center a = 2 ?

185. Physics

Why they need to use gravitational constant in the formula? What would be the problem if the formula is like F=m1*m2/d2 ?

186. Math

Express y as a function on x Log(y+3)=logx^3-log(x-2)

187. trigonometry

given that θ=5/9 and pi/2

188. math

At auction 390 vinyl records are sold. Ben buys 1/3 of them and 0.5 of what was left is bought by Sally. Rob buys the rest - how many is this?

189. Math

To the nearest tenth, find the area of a circle whose radius is 6 meters. Use 3.14 for pi.

190. Maths

Give a parametrization of the ellipse x^2/25 +y^2/9 = 1 that travels once counter-clockwise in an interval t ∈ [0, 2π]. t

An art teacher had a total of t markers. He gave an equal number of markers to each of 18 students and had 16 markers left over. Which equation could be used to find n , the number of markers each student received? A t = 18n B t = 34n C t = 18n + 16 D t =

Simplify 2 square root 6 ( 3 square root 2 - 12) completely. If you could help me with this that would be great. The answer I get is 6 square root 12 - 24 square root 6, but I'm not sure if it's simplified completely. Thanks

193. GEN.

WHAT is BACKground?

194. Math

Simplify 8 square root 3 - 2 square root 40x^5 Divided by 2 square root x

195. English

The book thief chapter 1. quotes about death.

196. Algebra

In an expedition to seize his enemy's elephants, a king marched 2 yojanas the first day. Say, intelligent calculator, with what increasing rate of daily march did he proceed, since he reached his foe's city, a distance of 80 yojanas, in a week? my answer

197. mathematics-remainders theorem

what is the remainder when 17^2^111110253 is divided by 21 please show working #thanks

198. Math/ELA

What can I do now as a 7th grader to prepare and save for college

199. Math

Given the geometric sequence: 26, 2617, 26289, ⋯ Find an explicit formula for an, where the first term is a1=26. an= Find a6= please help out

200. algebra, how to do fractions?

Find the equation for the line that passes through the points ((5/8),(15/32))and((1/3),(1/4)) Give your answer in point-slope form. You do not need to simplify.

201. Math

The size of a decreasing population is given by p(t)=P0(2)^-t/7 where p(t) represents the population as time, t, in years and p0 is the initial population what percent of the original population will be there after 10 years??

The lack of balance can lead to disease. True or false My answer is FALSE.

203. Calculus

Find the 4th Taylor polynomial, P4, generated by f(x) = 1/x at center a = 2 ?

204. Math

What are the transformations of: f(x)=-log(2-x)+3

205. Spanish

Would "sino" or "sino que" be used if the following noun is modified by a past participle? for example: ... sino (que) la destrucción hecha por los conquistadores. Thanks!

206. chemistry

An unkown vol of 2Mol of NaOH reacted with 3g of ethanoic acid .....get the volume of NaOH

207. physics

A car A is 300m behind a car B and both are travelling in the same direction at 25m/s. Both cars begin at the same moment to accelerate at steady rate, but A has a greater acceleration and passes B in 20sec by which time B is doing 27•5m/s. Neglecting

208. math

if 7 is added to a number and the sum is doubled, the result is 19 less than the number

209. maths

how to find area of trapezium

210. Algebra

If f(x) is a linear function such that f(4) = 3, with a slope of 1/2, what is the equation of f(x)?

211. education

what should service providers (i.e youth and social workers) consider before intervention? what is he asking?

212. Math

Ethan had \$12 more than Dakota. Ethan then gave 1/3 of his money to Dakota. The ratio of money Ethan had to the amount of money Dakota had then became 5:7. How much money did Ethan give to Dakota?

213. physics

A leaky bucket is being lifted 20 meters. It originally holds 10 kilograms of water, and at the end of its journey it holds 5 kilos. How much work does it take to lift the bucket?

214. Math

how to find out length of a rectangle area given 18900cm'2 width 1.8 what is length in metres

215. Maths

Give the equation of the tangent line to the curve at given point x(t)=2 cos(t) y=2 sin(t) at t=pi/6?

216. math

what is the evaluation of 5!

217. English

In the following sentences underline the word that would be stressed most: a)She dropped her bag. b)It is the white car that i want. c)The girl is mine. d)I prefer to greet Mbotela. e)It is time to go away.

218. History

Explain the impact of the Balfour Declaration on the Middle East. Explain the impact of the Japanese attack on Pearl Harbor.

219. physics

a stone of mass 50g is released from rest, Calculate it's kinetic energy after 6s from the beginning of the motion

220. algebra

Find the equation for the line that passes through the points (58,14) (57,27). Give your answer in point-slope form. You do not need to simplify.

221. mathematics-remainder theorem

what is the remainder when 17^2^111110253 is divided by 21 please show working #thanks

222. Math

1.)3^4/3^4 A.)3 b.)0 c.)1 d.)4 ?

223. physics

a helium atom is in one of its single states.one of the electrons is in an p-state and the other a D-sate.the atom is placed in a magnetic field,B,of strengh 3 tesla. sketch a diagram showing the degenerated states and all permissible transition from

224. algebra

The length of a rectangle is three times the width of the rectangle. If the width of the rectangle is y units, what is the area of the rectangle?

225. Chemistry

A gas occupies a volume of 4.64 x 102 mL at 519.57 mm Hg pressure. What will be its volume, at constant temperature, if the pressure is changed to 764.71 mm Hg?