# Questions Asked onOctober 12, 2016

1. ## Geometric progressio

If the fifth term of a g.p. is 81 and second term is 24, find the g.p.

2. ## Geometric progressio

Find the value of k if 3,k, 48 are in g.p.

3. ## maths

A car travelled 100 km with half the distance at 40km/h and the other half as 80 km/h.Find the average speed of the car for the whole journey.

4. ## Maths

The sum of two numbers is 40.we need to find the no. ,If the sum of their reciprocal is 2/5 ( Quadratic equation)

5. ## Spanish

Which word best completes the sentence? _______chica es muy reservada. A. El B. La **** C. Ella D. Èl Which word best completes the sentence? Carolina es_______ amiga simpática. A. una **** B. ella C. un D. el 3. What type of islands are the Galápagos

asked by Just a confused person...
6. ## Geometric progression

Quantities x, 8, y (x=/y) are in g.p. and x, y, -8 in a.p. Find the value of x and y.

7. ## math

the total number of students in a school is 1650.70% of the pupils are boys.how many girls are there in the school?

8. ## Physics

When 20 kJ of heat is removed from 1.2 kg of ice originally at -15 C, what is the new temperature?

9. ## Math

Find two algebraic expressions for the area of each figure. First, regard the figure as one large rectangle, and then regard the figure the figure as a sum of four smaller rectangles t,5,t,3

10. ## maths

An ap has 15th and a common difference of -3 find the first and last term. If it. Sum is -120

11. ## Social studies

To which internatinal associations does the United States belong to?

12. ## algebra

Find the coordinates of the points of intersection of the graph of y=13−x with the axes and compute the area of the right triangle formed by this line and coordinate axes. can u guys plz find answer + explain this problem is really hard and confusing 2

13. ## Spanish

1. In Spanish, a person that is nice is said to be _______. A. reservado B. simpático **** C. perezoso D. atrevido 2. Who helped develop salsa music? A. Cuban and Puerto Rican immigrants **** B. Mexican musicians C. Central American performers D. European

asked by Just a confused person...
14. ## Physics

A 230-kg roller coaster reaches the top of the steepest hill with a speed of 5.20 km/h. It then descends the hill, which is at an angle of 25° and is 50.0 m long. What will its kinetic energy be when it reaches the bottom? Assume µk = 0.16 I'm not sure

15. ## Physics

A woman in a car on a level road sees an airplane traveling in the same direction that is climbing at an angle of 30 degrees above the horizontal. By driving 110 km/h she is able to stay directly below the airplane. What is the airplane's velocity?

16. ## Science

Which of these represents a chemical change? A) two compounds combining to form a mixture B) a mixture being separated into two elements C) a compound being separated into two elements D) an element changing state from solid to liquid

17. ## SS

1. Which activity is part of both private and civic life? (1 point) learning about politics voting for a candidate*** going to sports games working at a bookshop 2. Why are elections necessary for good governance? (1 point) Elected officials can be fired

18. ## Social Studies

Which of the following best describes how the Intolerable Acts affected the American colonies? A.) The acts caused the colonies to set up their own militia to serve in times of emergency. B.) The acts caused the colonies to call for the First Continental

19. ## personal finance

Please help me.... Match the example in Column A to the business structure in Column B. 1.) Doug and Vanessa are friends who want to start a carpet cleaning business together and share the ownership and profits. They are not concerned about personal

20. ## Spanish Linguistics

La distribución de los alomorfos de la raíz del verbo perder esta condicionada fonológicamente. ?En qué contexto fonológico ocurre cada uno de los alomorfos? Para responder...haga una lista de formas verbales, en dos columnas según el alomorfo que

21. ## Chemistry

Based on the standard reduction potentials given below, which species is most likely to be oxidized? Ag+ + e- → Ag, Eo= 0.80 V Cu2+ + 2e- → Cu, Eo= 0.34 V Zn2+ + 2e- → Zn, Eo= -0.76 V Cd2+ + 2e- → Cd, Eo= -0.40 V I thought the answer would be Zn2+

22. ## problem solving

Sandra is eight yrs younger than her brother mike. six yrs ago mike was three times old of Sandra. how old is mike? how old is Sandra?

23. ## History

Which of the following is not a response to the Stamp Act?

24. ## Chemistry

Why gay lussac's law applicable only for gases and not for solid and liquid??????????!

25. ## math

The distance between towns M and N is 280 km. A car and a lorry travel from M to N. The average speed of the lorry is 20 km/h less than that of the car. The lorry takes 1 h 10 min more than the car to travel from M and N. (a) If the speed of the lorry is x

26. ## Geometry

The midpoint of uv is (5 -11). the coordinates of one endpoint are u(3 5) find the coordinates of endpoint v. I really need help asap! i have to put this in today.. Please and thank you!

27. ## Chemistry

Lactose Aspartame Sucrose Sucralose Saccharin which ones of these are polar, which are non-polar? and what is the structures of them? like their O-H bonds? i found answers to other sugars like glucose and fructose but need help for these

28. ## Math

Working off an 21% margin, with markups based on cost, the Food Co-op Club boasts that they have 5,800 members and a 240% increase in sales. The markup is 48% based on cost. What would be their percent markup if selling price were the base? (Round your

29. ## English

The resolution of "The Secret Life of Walter Mitty" shows Mitty ___________. realizing for the first time that his wife is a good person. dying in a car accident while daydreaming. imagining that he is bravely facing a fire squad. finally getting over his

30. ## MATHEMATICS

TWICE A CERTAIN NUMBER IS SUBTRACTED FROM 9 TIME THE NUMBER.THE RESULT IS 21.FIND THE NUMBER.

31. ## algebra

A student missed 11 problems on a Chemistry test and received a grade of 65%. If all the problems were of equal value, how many problems were on the test? Round off your answer to the nearest integer. X= # of problems 11= 3 of missed problems 65% of

32. ## Physics

An 84 kg child descends a slide 7.2 m high and reaches the bottom with a speed of 3.30 m/s. How much thermal energy (in joules) due to friction was generated in this process?

33. ## SS

3. Which of the following is stated purpose of the United States government under the constitution? Select all that apply Acquire new territories Promote the general welfare Represent all citizens equally Generate wealth for businesses Provide for the

34. ## College Algebra

Plutonium-238 is used in bombs and power plants but is dangerously radioactive. It decays very slowly into radioactive materials. If you started with 300 grams today, a year from now you would still have 297.6 grams. Construct an exponential function to

35. ## Geometrc progression

The second term of a g.p. Is 27 and 7th term is 1/9. find the first trem and the common ratio

36. ## Geometric progression

The 7th term of a g.p. is 8 times of the 4th term. find the series if its 5th term is 48.

37. ## Math

If the spinner is spun twice, what is the probability that it will stop on an odd number both times?

38. ## Social studies

What was one similarity between the bill of rights and the Magna Carta? A. Both outlined a structure that gave the government the right to tax its citizens B. Both established a detailed justice system C. Both provided guidelines for ensuring basic citizen

39. ## math

a card game goes like this: you draw a card from a 52 card deck. If it is a face card jack queen or king you win 5 dollars; otherwise, you lose 2 dollars. What is your expected value for this game? e(x)= (5)1/52-(2)1/52= 3/52 or 3.00

40. ## english

What is a mean of glidden?

41. ## English

If an aircraft, bird, or insect takes off, it leaves the ground and begins to fly. --------------------------------- Does "it" refer to "an aircraft, bird, or insect"?

42. ## Chemistry

What is the Net Ionic Equation for Nitric Acid and Potassium Carbonate?

According to "Life Without Gravity" why can astronauts' muscles become weak? a. Without gravity, the blood is rerouted from the legs to the head. b. Without gravity, the body "grows" as much as several inches. c. Without gravity, eating is difficult, so

44. ## History

what was the motivation and the purpose of the book burnings in Germany.

45. ## science

what is the bends (the diving illness)

46. ## survey of economics

When the price of paper increases from ​\$150 to ​\$155per​ ton, the quantity supplied increases from 250 to 280 tons per day. The price elasticity of supply is 0.250.25. ​(Enter your response rounded to two decimal​ places.)

47. ## Government

1.Define a state &nation.2.10 examples of a states outside Nigeria.

48. ## History

What developments occurred in Georgia after it became a royal colony?

49. ## chem

A 0.70 g mixture of Cu and CuO was treated with hydrogen at elevated temperature. CuO was reduced to Cu and water was formed. (a) Write a balanced equation for the reaction. (2 marks) (b) Before the experiment, calculate the minimum amount (in mole) of

50. ## physics

a golf club strikes a 0.045kg golf ball in order to launch it from the tee. For simplicity,assume that the average net force applied to the ball acts parallel to the ball's motion, has a magnitude of 6800N and in contact with the ball for a distance of

51. ## Chemistry

How many isomers are there in the following: 1. C2H4O (I was able to draw three.. Two involving a double bond and one involving a ring.) 2. C3H8O (I can only draw one..) 3. C2H4Cl (3 isomers?)

52. ## algebra homework help

A student missed 3 problems on a Physics test and received a grade of 94%. If all the problems were of equal value, how many problems were on the test? Round off your answer to the nearest integer. my answer is 5 questions

53. ## Physics

Hello, I had a question for physics, and I tried it out, however, I got the wrong answer. The Question:If a rock takes 0.750s to hit the ground after being thrown down from a height of 4.80m, determine the rock's initial velocity. My Work : The formula-

54. ## math

Two big bells in a haĺl starts to ring together at 5:00 hours one rings every 15 sec and other every 12 sec how often will they ring together

55. ## Chemistry

1. A 0.70 g mixture of Cu and CuO was treated with hydrogen at elevated temperature. CuO was reduced to Cu and water was formed. (a) Write a balanced equation for the reaction. (2 marks)

56. ## algebra 1

Apiece of yarn 29 inches is cut into two parts, If one of the resulting pieces is m inches long, represent the length of the other piece.

57. ## Science

1. How does plant cell mitosis differ from animal cell mitosis? A) Plant cell mitosis is much faster B) Plant cells do not undergo mitosis C) Plant cells have rigid cell walls making it difficult to pinch in D) Plant cells pitch in and animal cells do not

58. ## maths

file:///C:/Users/abuab/Downloads/1MA0_1H_que_20160526%20(1).pdf question 19 what is it called? and how do you work it out

59. ## Chemistry

Why sulphur dioxide is not directly dissolve in water?

60. ## Algebra 2

Okay so for the question I'm posting has a pic with it but idk how I can attach it so you guys can see it because I know you'll need it to help me out cause I've been stuck on this question for awhile so please any kind of help would be great(: Which

61. ## Social studies

The first amendment protects which rights? Select all that apply. The right to own a gun? The right to a fair trial?** The right to practice a religion(or not)? The right to criticize the government?** The right of owning property?

62. ## Social Studies

Which of the following were precedents that George Washington set during his presidency? A. he established a judicial system of 9 justices that is still in place today. B. he chose well-known leaders to run his executive departments and serve his advisors.

63. ## environmental science

the warming of the oceans causing less carbon dioxide to be soluble in them, and at the same time leaving more carbon dioxide in the atmosphere causing an increased warming of the atmosphere, is a example of a a. model of a system showing a paradigm shift.

64. ## Geometry

The midpoint of uv is (5 -11). the coordinates of one endpoint are u(3 5) find the coordinates of endpoint v. I really need help asap! i have to put this in today.. Please and thank you!

-1/2 + 1/3 = Adding and subtracting fractions with rational numbers.

66. ## math

Teacher: 15 seconds after the buzzer, the teacher has 135 meters to finish. 32 seconds after he left the starting line, the teacher has run 50 meters left. Usian Bolt: 22 seconds after the buzzer, Usain has 189 meters to finish.36 seconds after the buzzer,

67. ## Chemistry

What are the elements in Group A1 on the periodic table? alkali metals alkali earth metals inner transition metals ** halogens

68. ## Math

The carrying compartment on peggy moving van measures 6 feet high by 6 feet wide by 10 feet long. How many boxes each 1 cubic foot in volume can be packed into this cargo place?

69. ## Math

Please help me I don't understand what to do for this, as I haven't learned what to do if I need to find the average of something in Scientific Notation. I tried doing it using division, but I got 0.62 x 10^2, which isn't one of the choices. Could someone

70. ## Math/Compound Interest

Manoj deposited a sum of rs64000 in a post office for 3 years compounded annually 9%/ annum.what amount will he get on maturity?

The value of y varies directly with x. When y = -12 1/2, x = 50. What is the value of y when x is 11 3/4, rounded to the nearest hundredths? Can someone please show me how to solve this problem?

72. ## algebra

Write the equation of the line perpendicular to the given line and passing through the given point: y=3x−2 through (3,4) this problem is really hard for me can you please show and tell how you got your answers thanks,:)

73. ## Basic science chemestry

Qulitative analysis table of znso4

74. ## Pre-calc.

Graph the polynomial f(x)=(x+6)(x+4)^2 (x+2)^3(x-3) (x-5) a) Describe the interval notation the set of all x such that f(x)>0. b) Graph on a number line the set of all x such that f(x) > 0. c)Describe in interval notation the set of all x such that f(x)

75. ## Physics

What changed Newton's original work on the movement of the Moon around the Earth into the law of universal gravitation? 1) his conclusion that the same laws applied to all objects, no matter how small 2) his connection of gravitation to his first law 3)

76. ## math

Three less than the product of two and a number x. what will the equation be

77. ## Physics

A record was set for stair climbing when a man ran up the 2100 steps of the Empire State Building in 15 minutes and 10 seconds. If the height gain of each step was 0.2 m, and the man's mass was 73.0 kg, what was his average power output during the climb

78. ## Math

A rectangle is 2.8 meters wide and 3.5 meters long. What is the area?

79. ## physical science

Step by step how would i solve this. A baseball is thrown at a distance of 20 meters from the outfield to the third base. What is the baseball's velocity if it takes 2.3 seconds to get to the third one.

80. ## Algebra

Graph an inequality to represent your profit margin. 9.50 30 = 585.00 I am not sure what to do to show this. please explain

81. ## English

1. With her hair on the wind, she ran to me. 2. With her hair in the wind, she ran to me. ----------------------------------- Which preposition do we have to use?

82. ## Science

A car travels 50 miles in 1 hour and 15 minutes. What is the average speed

83. ## environmental science

Ecologists designed an experiment to determine if nitrates or phosphates are more limiting to algae growth. They divided a lake in Canada into two equal-sized sections by a vinyl curtain. Then they fertilized each sub-basin of the lake, one with nitrates

84. ## History

Of the following choices which ones are considered democratic values? Select all that apply A. Serving in the military*** B. Honesty C. Patriotism D. Voting in an election ••

85. ## Science

Which of these represents a chemical change? A) two compounds combining to form a mixture B) a mixture being separated into two elements C) a compound being separated into two elements D) an element changing state from solid to liquid

86. ## chemistry

0.5mols of a mono alkanoicacid weighs 44 grams, determine the molecular formula and name the acid. (show the workings)

87. ## math

two airplanes depart simultaneously from an airport.One flies due south, the other flies due east at a rate 20 mi/h faster than that of the other airplane. After one hour , radar indicates that the airplanes are approximately 450 mi apart. What is the

88. ## 0.5mols of a monoalkanoicacid weighs 44 grams, determine the molecular formula and name the acid. (show the workings)

0.5mols of a mono alkanoicacid weighs 44 grams, determine the molecular formula and name the acid. (show the workings)

89. ## History

which of the following actions is the best example of US citizens trying to live up to the the challenge President Kennedy was presented in the statement above?

90. ## maths

Mr john spent 25% on rent,then remaining 25% on utility,remaining 75% on entertainment and saved the remaining \$90.calculate MR JOHNS salary ?

91. ## math

if a team has played 7 games but only won 1, what is there chance of winning the last 4 games

92. ## geometry

triangle xyzangle y=90,anglez=60,xz=12cm then what is the length of sideyz

93. ## math

There are4 boys and 6 girls in th drama club.The roboticsclub has an equivalent fraction of boys as members.If there are 30 members in robotics club , what fractiin are boys? Explain using multiplication.Draw a model to help you.

1.) 1 7/8 + 1/9 0 1 *** 2 2 1/2 2.) 8 8/9 - 5 1/11 4 ** 5 14 11 3.) 7 2/3 x 3 7/9 2 3/27 11 4/9 ** 28 26/27 21 14/27 4.) Walter had 2/4 yard of string. He used 1/2 of the string for a school project. How many yards of string did he use fir his project?

95. ## Chemistry

I need to prepare 500 ml of a 37% w/w solution of sulfuric acid using 96% sulfuric acid in deionized water. I have been shown a bunch of different ways and they all give a different answer and I'm getting frustrated

96. ## Math

Please check my answers! Proportion worksheet! 1. 17/2 = x/5 17/2 = 42.5/5 2. 22/30 = 100/x 22/30 = 100/136.36 3. 2/1 = 12/x 2/1 = 12/2 4. 400/1 = 1000/x 400/1 = 1000/2.5 5. 125/2.5 = x/6 125/2.5 = 300/6

97. ## geometry

the teacher: 15 seconds after the buzzer, the teacher has 135 meters to go to the finish line. 32 seconds after he left the starting line, the teacher has to run 50 meters more to the finish line. Usain Bolt: 22 seconds after the buzzer, usain has 189

98. ## Environmental science

What is symbiosis?

99. ## Quick math help

Homework Help: Quick Math Help Posted by Anonymous on Tuesday, October 11, 2016 at 4:06pm. 1. let an=4n find the sum of the first 5 terms. How would you do this? 2. a1=3; an+1=3an+18. Find a6 How would you do this? 3. You start you 30 year career at a

100. ## Quick math help

Find the tenth term of the sequence: -6,1,8... Is it 57? For the sequence:2,4,8,16 the value of s4 is____. Is it 8? Find the 7th term of the sequence: 1,2,4,... Is it 64? Which term of this sequence is 275? 5,10,15,... Is it 1357? Find the 7thterm of an.

101. ## Chemistry

Net Ionic equation for 1. Iron(II) Iodide and Magnesium Acetate 2. Ammonium Phosphate and Cobalt(III) Chloride 3. Sodium Acetate and Potassium Chloride These are the only ones I have left on my HW and I can't seem to figure them out would appreciate some

102. ## 9th Grade Honors English

In the book Inside the Walls of Troy, what view does the reader get through her eyes? I know that Cassandra loathed her gift of foreseeing the future and that she didn't want anyone to find out about her gift,in fear of being judged and criticized for it,

103. ## language arts

What is the Possessive noun for Parkers as in family last name

104. ## Math

What is meant by saying that two events are "independent"?

105. ## 7th Math

If there are 16 dark blue triangles,then how much fabric was used if each leg is 10 cm and the hypotenuse is 14.2 cm long? 10+10=14.2?

106. ## home economics

Please list 5 branches of home economics

107. ## History

In the book burnings in Germany what did all the authors of the burned books had in common?

108. ## Government

3 examples of a nation

109. ## Language Arts

So I have to write an essay comparing tacos and burritos. Can someone help me with the taste part. What exactly are the similarities and differences in taste between tacos and burritos? Thanks! (=

110. ## survey of economics

College Enrollment and Apartment Prices. Consider a college town where the initial equilibrium price of apartments is​ \$400 and the initial equilibrium quantity is​ 1,000 apartments. The price elasticity of demand for apartments is 1.0 and the

111. ## math

Find the values of x and y in the two equations below then answer the question that follows. 2^-3=1/x 7^y=1/49 What is the value of xy ? For the first problem i got 8. For the second one i got 1/343 I don't know what im doing wrong or right. Can you please

112. ## Chemistry

Consider a 0.15m calcium chloride aqueous solution a) determine the molarity of all solution. Assume that calcium chloride completely ionizes when dissolved in water. All solutes means all cations and anions. b)

113. ## American government

Which answer best describes why some view the senate as undemocratic? The vice president is the leader of the senate.***** The senate and the house don't have the same powers. Everyone living in the state can can vote for that states Senate regardless of

114. ## History

What does this quote mean"Where they burn book they will also ultimately burn people"

115. ## history

Which nation did NOT play a major role in exploring or colonizing the southeastern United States?

116. ## Algebra

Can someone please help me I'd really appreciate it Solve the system by substitution -x - y - z = -8 -4x + 4y + 5z = 7 2x + 2z =4

117. ## Maths

Mr minus picks 2 students at random from his class of 31 students.15 of his students are boys. What is the probability he picks 2 girls from the class? Many thanks.

118. ## History

Which of the following best describes a long-term political effect of the civil rights movement? A. The Democratic Party lost most of its support among white southern voters. B. African Americans came to dominate state legislatures across the South. C.

119. ## Algebra

Solve the system by elimination -2x + 2y + 3z = 0 -2x - y + z = -3 2x + 3y + 3z = 5

120. ## Science

a beaker has 130 ml of water in it. a rock is placed in the beaker and the water level rises to 148ml. what is the volume of the rock?

121. ## Math

You are skier A, the first skier in a skiing event with three other skiers. Compared to your time, skier B is slower, by a time of +00:28. Skier C has a time of +2:13, and skier D has a time of -01:24. 1. Who is the fastest skier? 2. Since all times are

123. ## algebra homework help

A student missed 8 problems on a Chemistry test and received a grade of 47%. If all the problems were of equal value, how many problems were on the test? Round off your answer to the nearest integer. My answer is 15 question were on the test is this

124. ## Math for Reiny

your derivative is correct. now just plug in x = π/2 to get the slope remember that tan(π/2) is undefined, BUT cot (π/2) = cos(π/2) / sin(π/2) = 0/1 = 0 so slope = -csc^2 (π/2) = 2 I calculated and got -1 as the slope. Can you please explain how you

125. ## Math Ms. Sue

Use prime factorization to find the LCM of 30 and 40. A. 90 B. 120 C. 150 D. 200 Please Help!!!

126. ## Statistics

The probability a company will hire a new employee is 0.38. Suppose three companies are randomly selected. (a) Find the probability all three companies will hire a new employee. (b) Find the probability at least one company will hire a new employee. (c)

127. ## Math

5 3/8 c = _ fl oz 43 fl oz 43/64 fl oz 86 fl oz 29 fl oz 65 in. = _ ft. 6 5/12 ft. 12 ft. 5 5/12 ft. 780 ft. I confused with these, so if you could help that would be great!!

128. ## math

calvin has 90 stamps. for every mexican stamp, calvin has 8 U.S. stamps. How many mexican stamps does Calvin have?

129. ## Math

You did not help my question

130. ## science

If a fly colloids with a wind sheield of a fast moving bus .is the impact force experienced by bus and the fly is same ? Why?

131. ## Chemistry

How many moles of ions are in 1.0 mol NH4Cl?

132. ## chemistry

When calling the families on the periodic chart by the top or first name in the column, where hydrogen is a non metal, and in family 13, where boron is a metaloid , is it correct to call those families the hydrogen or lithium family or/ and the boron

133. ## math

A circle is inscribed in triangle ABC with sides a, b, c. Tangents to the circle parallel to the sides of the triangle are constructed. Each of these tangents cuts off a triangle from ∆ABC. In each of these triangles, a circle is inscribed. Find the sum

134. ## History

What is fascism? Thank you!

135. ## PHYSICS

A swimmer is capable of swimming at 1.4m at still water.caculate how far downstream will it smim across 180m?

136. ## algebra homework help

student missed 11 problems on a Chemistry test and received a grade of 65%. If all the problems were of equal value, how many problems were on the test? Round off your answer to the nearest integer. X= # of problems 11= # of missed problems 65% of correct

137. ## Math

HallIe reads 6 pages from her book in 8 minutes. If she continues reading at the same rate and the amount of time changes by a factor of 5/2, how many pages wi Hallie answer of 15, can you tell us how to work out this problem. Thanks 480/1 5/2= 2400/2

138. ## physics

The speed of sound in air is approximately 340 m/s. The speed of sound in steel is approximately 5900 m/s. If your friend strikes one end of a steel pipe with a hammer while you listen at the other end, you will hear two distinct sounds: one traveling

139. ## Math

What 5 digits are in the ones place of even numbers?

140. ## Physics

A car of mass 1530 kg traveling at 27.0 m/s is at the foot of a hill that rises 115 m in 4.40 km. At the top of the hill, the speed of the car is 6.0 m/s. Find the average power delivered by the car's engine, neglecting any frictional losses I got 8145.7

141. ## history

All of the following were reasons behind the creation of the Georgia colony except. A.Charity B.Defense C.Religion D.Economic Take Your Time Just A Question No Need To Rush!!

142. ## History Letter

So, I was wondering if anybody could check my letter to see if there is anything I need to add or revise. March 10, 1770 Dear my beloved family, Of course, you have known of my trip to the Americas, specifically Boston. This trip has been a complete and

143. ## Math College 115

t. Q (t) 0. 900 1. 802 2. 714 3. 636 4. 567 5. 505 6. 450 7. 401 8. 357 9. 318 10. 283 11. 253 12. 225 Construct an exponential decay functiom Q(t), where t is measured in minutes. Q (t)=__?____ x (1/2)^ (_?_)

144. ## Maths

P varies directly as thw cubes of q. When people = 1000, q= 5 find quality when people = 64. Thanks anonymous.

145. ## Physics

A ball is thrown toward a cliff of height h with a speed of 31 m/s and an angle of 60∘ above horizontal. It lands on the edge of the cliff 3.4 s later. What is the ball's impact speed?

146. ## Pre-Calc.

Alice walks on a straight line at four miles per hour. Two hours after she begins walking, Bob runs after her at a rate of six miles per hour. How many hours does it take for Bob to catch up to Alice?

147. ## Stats

Use technology to find the P-value for right-tailed test with n=8 and test statistic t equals 2.531 Find the P value

148. ## math

Myrza has three children a.If his oldest child is a girl, what is the probability that all the children are girls ? b.Given at least one of them is a boy, what is the probability of all of them are boys ?

149. ## Ms.Sue

Hello Ms.Sue i know this is not a question but your a great helper you have help 138,395 people and we are greatful to have on this website Thank You!! P.S: Mr.Young

150. ## Algebra

In the U.S. during the first decade of the 2000s, live births to unmarried mothers, B(t), grew accordingly to the exponential model B(t)= 1.307×10^(6) × (1.033)^(t), where t is the number of years after 2000. What does the model predict for the number of

151. ## Mathmatics

Solve these pair of simultaneous equations Y= 4x^2 - 5x + 2 Y= 2x -1 Thank you.

152. ## social studies

The colony Lord Baltimore established in Maryland encouraged A. land grants for every settler. B. a role for colonists in government. C. religious freedom for Roman Catholics. D. the settlement of wealthy people.

153. ## Culture

As an ABC (Australian Born Chinese), Who is an avid watcher of korean entertainment ( dramas, variety, movies etc), listener of k-pop, watch anime from japan, listen to j-pop, watch chinese tv shows and movies. Having studied German , French . It perplexes

154. ## ASAP PLZ I NEED HELP I BEEN IN A TEST FOR 5 HOURS

Write an essay in which you analyze the importance of plot events and characters’ actions to the development of a story’s theme. Review and evaluate a story from the unit that has a clearly identifiable theme. You might choose “Raymond’s Run” by

155. ## Java Programming Algorithm Help

Ok so for my assignment, I have to have two String inputs. For example, "1.021" and "2.51" And I need to calculate the difference between these strings (biggest number minus smaller). I can only use the data types: short, char, boolen and String. I cannot

156. ## Social studies

Homework Help: English - Please help Posted by BUBBLES on Monday, March 16, 2015 at 4:03pm. "President Lincoln's Declaration of Emancipation, January 1, 1863 bu Frances E. W. Harper It shall flash through coming ages, It shall light the distant years; And

157. ## Algebra

Identify and interpret the decay factor for each of the following. a.) P= 400×(0.43)^t decay factor: 0.43 This means that the function decays by ___?___ % b.) f(t)= 3800×(0.84)^t decay factor: 0.84 This means that the function decays by ___?___ % c.) y=

158. ## algebra

Two cars are 273 mi apart and traveling towards each other on the same road. THey meet in 3 hr. One car is traveling 7 mph faster than the other. What is the speed of each car?

159. ## Math

how much candy that is worth \$5 per pound must be mixed with 60 lb that is worth 4\$ per pound to get a special Christmas mixture to sell for \$4.40 per pound?

160. ## physics

a block sits on a frictionless inclined plane, attached to another block over a frictionless pulley. the angle of the incline is 20 degrees. what is the tension in the rope and the acceleration of the system? B) what is the speed of the system after the

161. ## Algebra

points (0,500) and (1,680) The EXPONENTIAL function is y(t)=___?____

162. ## Math 201

The pricd of a home in CA was \$100,000 in 1985 and rose \$160,000 in 1997. a. create two models, f(t) assuming linear growth and g(t) assuming exponential growth, where t is the number of years after 1985. *round coefficient to three decimal places when

163. ## Math

0.075 as a fraction. 7 and 5 are recuring decimals.

164. ## Algebra

Construct exponential functiom of points (0,200) and (6,380). The exponential function is y(x)=____

165. ## Math

A teacher has 27 students in her class.she asks the students to form as many groups of 4 as possible.how many students will not be in a group

166. ## physics

suppose if we put 5 kilogram weight on the each arm of a seesaw and it is in equilibrium position now if I apply 2 newton force on the corner of right arm of this seesaw side by side in horizontal direction then this force will be distributed equally or

167. ## social studies

Mrs. Sue I need your help. Which statement BEST describes the power of government provided by the Articles of Confederation? A) The national government held most of the power. B) Congress enforced its power by taxing the states. C) The states had more

168. ## physics

a block slides down a frictionless ramp. at the bottom of the ramp is a vertical circular loop with a radius of 75 cm. from what minimum height does the block need to be released in order to make it around the loop?

169. ## Algebra

Use the distributive property to simplify the expression 4x24. A.12 B.80 C.88 D.96 I think it's this one

170. ## math

A bag contains 8 green marbles,5 blue marbles, and 4 white marbles,If one marble is drawn from the bag, what is the probability of drawing a white marble and a green marble (on the same draw)

171. ## Geometric

If BD bisects

172. ## Math

There are about 3.8 L in 1 gallon about how many gallon equal 570 L

173. ## Science

when you turn up the thermostat on your furnace several things happen. Which of these would be considered a chemical property of matter?

174. ## Physics(semiconductors)

Is electron and hole flow the same in a diode?is the following explanation correct .if not then please provide the correct one When diode is forward biased,the forward current is the sum of electron current and hole current.this current is diffusion

175. ## Math

what is 10% of 30

176. ## calculus

A spherical balloon is being inflated so at the rate of 8cm3/sec. determine the rate at which the radius of the balloon is changing when the radius is 10

177. ## Science

What does Asimov predict will happen to earth in billions of years? a. it will be burned up by the sun b. its population will increase*** c. it will shrink slightly in size d. it will change position in the galaxy Am I correct?

178. ## Geography

What are 3 types of zone?

179. ## Physics

A vector has negative x and y-components. The y-component is bigger than the x-component. Which of these is the only appropriate angle, measured from the +x axis, for this vector? Its either 190, 230, 125, 290, and 350. Im confused.

180. ## chemistry

what happens to the mass of copper when over heated and forms copper(ii) oxide

181. ## Science

How much heat is released when 75.0 g of steam at 100.0C is cooled to ice at -15.0C?

182. ## science

why does the remote control of a televesion does not function if covered by an aluminum foil

183. ## Math

Please lead me in the right direction. I am so confused and I have been working on this one problem for an hour. I have the answer, but I want to know how to get to it. The answer is (1,1,0) Solve the system by elimination. -2x+2y+3z=0; -2x-y+z=-3;

184. ## Math

Nyla has a collection of 80 stamps her friend has five times as many stamps how many stamps does her friend have?

185. ## Algebra 2

Okay so for the question I'm posting has a pic with it but idk how I can attach it so you guys can see it because I know you'll need it to help me out cause I've been stuck on this question for awhile so please any kind of help would be great(: Which

186. ## Chemistry

A hot lump of 25.6 g of aluminum at an initial temperature of 57.4 °C is placed in 50.0 mL of H2O initially at 25.0 °C and allowed to reach thermal equilibrium. What is the final temperature of the aluminum and water given that the specific heat of

187. ## Math

Find the inverse of: y = ((-1) / (x+5)) - 1

188. ## Math for Reiny

your derivative is correct. now just plug in x = π/2 to get the slope remember that tan(π/2) is undefined, BUT cot (π/2) = cos(π/2) / sin(π/2) = 0/1 = 0 so slope = -csc^2 (π/2) = 2 I calculated and got -1 as the slope. Can you please explain how you

189. ## environmental science

1. which of the below is an example of high-quality matter found near the earth's surface? a. natural gas b. mine tailings c. bauxite (al ore) d. recyclable materials in a landfill e. nitrogen gas in the atmosphere

190. ## Social studies

what effect did the three fifths compromise have on southern states? It helped increase the number of slaves traded •• It gave the south the power to outvote the north It limited the number of states that allowed slavery It gave those states more

191. ## Accountung

I am having trouble with this question can anyone help me plz The trial balance of the Coleman-Foose Company was prepared from the record of the company on November 30, 20X2, the close of its fiscal year. COLEMAN-FOOSE COMPANY Trial Balance November 30,

192. ## Chemistry

Find dissociation constant of e thanoic acid having concentration 0.2M and degree of dissociation 50%

193. ## Social studies

3, What did the Northwest Ordiance do for Northwest Territory? It provided free land to farmers It made slavery illegal in that area •• It permitted any territory to apply for statehood It provided education guidelines

194. ## Plane and solid geometry

Change to standard form 2x^2+4y^2-12x-64y-16=0 i don't know how to solve it.

195. ## math

Twice the difference of a number and 4 is less than or equal to 17 .

196. ## math

In \bigtriangleup ABC△ABC AB and BC are congruent. If the perimeter of \bigtriangleup ABC△ABC is 82 centimeters. How many centimeters long is AC? AC = 2x BC = 4x - 9 I don't understand it at all. Explain it to me please

197. ## Chemistry

In order to determine the concentration of a solution of Carbonic Acid (H2CO3), a sample was placed in a buret and titrated with 0.1132 M Sodium hydroxide. For the carbonic acid, the initial reading was 11.0ml and final reading was 31.0 ml. For sodium

198. ## maths

if x =tan a +sin a and y =tan a -sin a prove that [x+y/x-y]^2x+y/2]^2=1

199. ## Chemistry

The quantity of Cl- in a water supply is determined by titrating the sample with Ag+. What mass of chloride ion is present in a 10,0g sample of the water if 20.2 ml of 0.100 M Ag+ is required to react with all the chloride in the sample?

200. ## Composite functions math

p(x)=3-2x g(x) = 3(x^2)-7 q(x)=(2-x)/(2x+3) p q g(x) = ?

201. ## Chemistry

What is the concentration in each of the following solutions? A) 240 mL of 0.200 M KNO3 is added to 160 mL of water. B) 2.25g of NaCl is dissolved in 250 ml of water.

202. ## Chemistry

How many isomers are there in the following: 1. C2H4O (I was able to draw three.. Two involving a double bond and one involving a ring.) 2. C3H8O (I can only draw one..) 3. C2H4Cl (3 isomers?)

203. ## algebra

Find the coordinates of the points of intersection of the graphs with coordinate axes:y=−1.5x+3

204. ## Math

How much Selena earns each day if she works 3hours,5hours,or 8hours

205. ## Environmental Science

What is the most effective way to preserve a species?