# Questions Asked onApril 17, 2017

1. ## Math

The scores on the GRE are normally distributed with a mean of 541 and a standard deviation of 89. Use the 68-95-99.7 rule to find the percentage of people taking the test who score between 363 and 541

2. ## maths

In a survey of 100 students, the number s studying various languages were found to be: Spanish, 28; German, 30; French, 42; Spanish and German, 8; Spanish and French, 10; German and French, 5; all three languages, 3. (a)How many students were studying no

3. ## math

four positive number are in a.p. If 5,6,9 and 15 are added respectively to these no.,we get a g.p. ,then common ratio of g.p. And commo difference of a.p. Is

4. ## math

choose an appropriate mertic unit for the mass of a paper clip A.meter b.gram c.kiogram. or d.centimeter hel please!!!!!!

5. ## Social 2

Psychologist Kenneth Kaye finds that, while parent-child interaction may be crucial for emotional development, most of it is irreverent to congnitive developement. "A child comes equipped with an innate timetable for mental growth, and all the jiggles and

6. ## Biology

Blonde hair (bb) is a recessive trait and brown hair (Bb) is dominant. If both parents have brown hair, what must be true if one of their children have blonde hair? A. Both parents must be hybrid with regard to hair color (Bb) B. Both parents have two

7. ## maths

A construction company will be fined for each day it is late completing its current project.The daily fine will be K4000 for the first day and will increase by K1000 each day.Based on its budget, the company can only afford K60,000 in total fines. What is

8. ## Math

Ten students achieve the following test scores on an exam: 78, 69, 45, 89, 74, 37, 99, 77, 100, 82. What is the interquartile range of these scores?

9. ## chemistry

Given a 1.00 L solution that is 0.60 M HF and 1.00 M KF, calculate the pH after 0.080 mol NaOH is added, and calculate the pH after 0.24 mol HCl is added to the original solution.

10. ## MATHS

A garden is 50 meters wide and 120 meters long. There is a pathway that runs along the perimeter inside the garden. If the area of the pathway is half of the area of the garden, then the width of the pathway is ....? meters. Please help! area of the garden

11. ## Math

Omar has 2 3/4 cup of dough to make dumplings.if he uses 3/16 cup of Dough for each dumpling how many whole dumplings can Omar make?

12. ## Social Studies unit test

which of the following is an example of how the united states countered the soviet influence in asia and africa? a) established new democratic colonies in those areas b) enacted a boycott to any area wanting communism c) sent aid to the colonial power to

13. ## Language Arts Check

1. I MET a traveller from an antique land Who said: Two vast and trunkless legs of stone Stand in the desert ... Near them, on the sand, Half sunk, a shattered visage [face] lies, whose frown, And wrinkled lip, and sneer of cold command, Tell that its

14. ## American Government

Which adjective best describes how the necessary and proper clause of the US Constitution is often interpreted by the federal government? a. brittle, meaning that it falls apart when used in a legal argument b. elastic, meaning it can be expanded as

15. ## Geography

Two presidential races selected from 1940–2000. One pre-1970, other post 1980. Analysis of the spread of power through the nation for each election. I don't understand this at all, can someone help me?

16. ## Bio

Blonde hair (bb) is a recessive trait and brown hair (Bb) is dominant. If both parents have brown hair, what must be true if one of their children have blonde hair? A. Both parents must be hybrid with regard to hair color (Bb) B. Both parents have two

17. ## Bio

The thyroid ___ A. controls the endocrine system. B. Regulates the metabolism. C. controls sexual characteristics. D. regulates metabolism of glucose Please help I'm missing part of my book

Sound intensity is inversely proportional to the square of the distance from the sound source; that is I= k/ (r)^(2), where I is the intensity, r is the distance from the sound source, and k is a constant. Suppose that you are sitting a distance R from the

What are the first three terms of an arithmetic series in which a1=9,an=105,and Sn=741?

20. ## Psychology

How might emotional intelligence be tested?

21. ## financial mathematics

a debt of R 1000th with interest at 16% compounded quarterly,is to be amortised by 20 quarterly payments over the next five years. What will the size of these payments be

22. ## Chemistry

How many grams of CaCl2 are needed to prepare 25.0 mL of .500 M solution? and What volume of 12.00 M HCL is needed to prepare 150.0 mL of .500 M HCL?

23. ## Math

Regular quadrilateral prism has an altitude h = 11 cm and base edges b=8 cm. Find the sum of all edges.

24. ## Biology

The thyroid ___ A. controls the endocrine system. B. Regulates the metabolism. C. controls sexual characteristics. D. regulates metabolism of glucose.

25. ## History

Based on the quote, which conclusion can be made about the United States during World War II? The quote below was written during the 1940s: "The senselessness of all the inactive manpower. . . . [M]en who are able and willing to do all they can to lick the

26. ## physics

1.5 kg of an unknown liquid at a temperature of 17 degrees Celsius is added to 2kg of water at 50C. The final temp of the mixture is 45C. Assuming no heat is lost to the environment, determine the specific heat capacity of the unknown liquid. So I assume

27. ## Physics

A 2.00 Ã¢Å“â€¢ 106 Hz radio signal is sent a distance of 7.30 Ã¢Å“â€¢ 1010 meters from Earth to a spaceship orbiting Mars. Approximately how much time does it take the radio signal to travel from Earth to the spaceship?

28. ## science

Im a word of five letters People eat me If you remove my first letter i will be form of energy if you remove my first two letters i will be needed for living if you remove my first three letters i will be a preposition if you remove my first four letters i

29. ## math

What are the first three terms of an arithmetic series in which a1 =9,an=105, and Sn=741?

30. ## Chemistry

AgNO3 + NaCl -> AgCl + NaNO3 Which statement about this reaction is FALSE? A. This is one kind of metathesis reaction, where molecules exchange atoms. B. This reaction produces a gas. C. This is a precipitation reaction. D. The equation is balanced.

By comparing the amount of carbon-14 to amount of carbon-12, one can determine approx how long ago the organism died. The half-life of carbon-14 is 5730 years. Assume the initial quantity of carbon-14 is 600 milligrams. the equation is A (t)=600*(.5)^(t)

32. ## Chemistry

Which statement about this reaction is FALSE? AgNO3 + NaCl -> AgCl + NaNO3 A. This is one kind of metathesis reaction, where molecules exchange atoms. B. This reaction produces a gas. C. This is a precipitation reaction. D. The equation is balanced

33. ## math

a rectangular window had a height of 5 1/2 feet and a width of 1 1/2 feet. what is the perimeter of the window?

34. ## Chemistry

When 10.00 mL of 1.00 M HCl solution is mixed with 115 mL of 0.100 M NaOH solution in a constant-pressure calorimeter, the temperature rises from 22.45 °C to 23.25 °C. Calculate q for this reaction, assuming that the heat capacity of the calorimeter is

35. ## Pre calc

Given that tanθ = 2 root 10 over 9 and cscθ < 0 , find the exact value of cos(θ − pie over 4) . I solved for the other side and got 11. After this idk what to do I was thinking using cos(a-b)=cos(a)cos(b)-sin(a)sin(b) but idk how to witht the pie/4

36. ## corporate finance

National Health Corporation (NHC) has a cumulative preferred stock issue outstanding, which has a stated annual dividend of \$9 per share. The company has been losing money and has not paid preferred dividends for the last five years. There are 360,000

37. ## Chemistry

1. The atmosphere of earth is an example of what kind of solution? A. liquid-liquid B. gas-liquid C. gas-gas*** D. solid liquid 2. Which of the following will result in a greater amount of oxygen dissolving in water? A. Heat the water*** B. Decrease the

38. ## Chemistry

Consider the following electrochemical cell: Al(s) | Al^3+(aq)(0.155 M) || H^(aq) (0.00233 M), MnO4^-(aq)(0.0377 M), Mn^2+(aq) (0.0168 M) | C (graphite) Write a balanced equation for the redox reaction taking place in this cell. i am having trouble with

39. ## Math

If an alloy requires copper, nickel, and zinc in a ratio of 12:5:3, how many kilograms of each metal are needed to make 5 kg of the alloy?

40. ## American Government

Which method is most often used to propose amendments to state constitutions? a. a constitutional convention is held to propose amendments b. a petition proposes the amendment and begins the initiative process c. a new amendment is proposed in a session of

41. ## Math

What is the volume of the right prism with height h=14 cm, if the base of the prism is a triangle ∆ABC with side AB = 9 cm and altitude to that side h= 6 cm.

The graph below plots the values of y for different values of x: plot the ordered pairs 1, 1 and 2, 4 and 3, 7 and 4, 9 and 5, 12 and 6, 16 Which correlation coefficient best matches the data plotted on the graph? A. −0.5 B. 0 C. 0.25 D. 0.90 Is it D.

43. ## Math

A florist sold bouquet of red roses to 15 of the first 20 customers who came into his shop. 1. What is the experimental probability that a random customer in that group bought a bouquet of red roses? 2. Based on the experimental probability, how many

44. ## Biology

Chemicals which control the growth and function of organs are ____ A. chromosomes B. hormones C. glucose D. endocrines

45. ## American Government

The federal government sets requirements that all public schools must follow,while state governments set standards listing what students need to learn. this is an example of which constitutional system? a. dual federalism b. cooperative federalism*** c.

46. ## math

How do I find vertex, focus and directrix for the following functions? y^2−16y=12x−8^2 x^2+16x=4y−24 (x−2)^2=12(y−2)

47. ## Science

Can someone please help direct me to a start for this?? 1. Explain why the outer planets did not lose the lighter gases in their atmosphere. 2. What are two major differences in the composition of the inner and outer planets?

48. ## Bio

Which of the following is true? A. In the human female, ovulation occurs in nine-month cycles. B. Egg cells develop in a structure called the uterus and are released at the rate of one a month. C. Spermatogenesis is the process of fertilization of the egg

49. ## S.S.

which event would benefit to producers rather than toy consumers?

50. ## Geography

What's an electoral vote? Definition please and sources.

51. ## math NEED ASAP

the difference between combination and permutation

A firm of attorneys deposit \$5000 of profit sharing money at the end of each semi-annual period for 7.5 years. Find the final amount in the account in the account if the deposits earn 10% compounded semiannually. Find the amount of interest earned.

53. ## physics

What mass of hot water at 70 degrees C must be added to 2000g of cold water at 5 degrees C to raise it's temperature to 20 degrees C? To be honest I really don't have any idea how to do this question. I would really appreciate help, thank you

54. ## Sst

What does the child in the poem think about his drawing?

asked by What does the child in the poem think about his drawing
55. ## Calculus

Find the minimum value of the following function: h(x)= x-(12(x+1)^(1/3) -12) on the interval [0, 26] Honestly, I have found by graphing that the minimum value is at the coordinate point (9,-3), but I need to do this in a way that uses a more

56. ## Geography

I need help with finding the description of the Democratic Part and Republican Party. Straight forward answers appreciated, sources... ditto.

57. ## Pre-Algebra

Which equation models the linear relationship in the table below? x y -4 10 1 -5 6 -20

58. ## American Government

"No person who may hereafter fight a duel, assist in the same as second, or send, accept, or knowingly carry a challenge therefor, shall hold any office in the State, for a period of ten years...." -Arkansas state constitution, Article 19, Section 2 Why

59. ## language arts

How is to kill a mocking bird similar to the highway man? How is it different? I just need some ideas for an essay Im doing. Thanks. :)

60. ## Chemistry

Calculate the pH of 100.00 mL of an ammonia buffer (pKb = 4.76), prepared by placing 55.0 mL of concentrated NH4OH (i.e., NH3; 14.5 M) into a volumetric flask, adding 6.76 g of ammonium chloride, and diluting to the mark with DI water.

61. ## sheridan

Jim is setting up a rectangular dog run in his backyard. He buys six 3-foot sections of fencing and a 3-foot wide gate. What are the dimensions of the dog run with the greatest area in each situation? a) Jim uses the yard fence for one side of the dog run.

62. ## Chemistry

A 12.0 L sample of hydrogen gas has a pressure of 27.0 atm. What volume would this gas occupy at 3.70 atm? Assume ideal behavior.

63. ## sheridan

Armin is designing a bottle for a new shampoo. The bottle should have a volume of 450 cm3. Armin wants to minimize the amount of plastic used in the bottle. Determine the dimensions of the bottle with the minimum surface area in each case. Explain your

64. ## geography

what river flows south Cincinnati ohio

65. ## math

Write an equation for the nth term of the arithmetic sequence -13,-8,-3,2........

66. ## sheridan

A car dealership fences in a rectangular area behind their building to secure unsold vehicles. One length will be the back wall of the dealership. What is the maximum parking area that can be created if they have 2 km of fencing to use?

67. ## Educational Tech

at what point is an idea protected by copyright? A) When you think of it B) When you put it into a tangible form. C) When it is published by a publisher or production company. D) When the first copy is sold. My answer is D.

68. ## math

Find the four terms between 15 and 87 in the arithmetic sequence

69. ## Chemistry

What is the IUPAC name of CH2(OH)CH2(OH)

70. ## algebra

Susan is filling two ponds in her back yard. She has to dig the hole, put the liner in, and fill the pond. The first pond holds 75 gallons of water and is filling at a rate of 7 gallons of water per hour. The second holds 115 gallons of water and is

71. ## trigonometry and geometry

A car dealership fences in a rectangular area behind their building to secure unsold vehicles. One length will be the back wall of the dealership. What is the maximum parking area that can be created if they have 2 km of fencing to use?

72. ## maths geometry

7. Nasmin will construct this object from sheet metal, then coat it with enamel. a) Determine the volume of the object. b) Determine the surface area to be covered with enamel. All exposed faces are to be covered. pls. help.

What are the first three terms of an arithmetc series in which a1=9 ań=105 and sn=741

74. ## maths geometry

. Armin is designing a bottle for a new shampoo. The bottle should have a volume of 450 cm3. Armin wants to minimize the amount of plastic used in the bottle. Determine the dimensions of the bottle with the minimum surface area in each case. Explain your

75. ## Math

Prove that if A∩B = A∪B then A=B. Having troubles figuring this one out.

76. ## math

the sum of two number is 74. using L to represent the larger number translate the quotient of the larger number and the smaller number into a variable expression

77. ## math

A worker was paid \$218 for each day he worked and was fined \$36 each day he was absent. at the end of 30 days he earned \$5524. how many days he was absent?

78. ## arithmatic series

Could someone show me the difference between arithmetic sequence and series

chemistry

80. ## Consumer Math

11. Your realized income is \$3,167.89/Month, and your fixed expenses are \$954.32/every 2 weeks. If you save 50% of your discretionary monies each month, how much are you saving? 12. You have a credit card with a balance of \$2,856.74 at a 14.75% APR.

Find the four terms between 15 and 87 in the arithmetic sequence.

In testing blood,three types of antigens are looked for:A,B and Rh.Every person is classified doubly. He is Rh positive if he has the Rh antigen, and Rh negative otherwise. He is type A,AB,or B depending on which of the antigens he has, with type 0 having

83. ## series maths steve reiny bob reiny steve!!!

if p is the nth term 8+20+52+.....+p evaluate the sum to n-of the series plz show step

84. ## Math

Wes has 20 feet of garden fencing. If he wants the smallest side of his garden to be 3 feet or longer, what possible rectangles can he make?

85. ## Statistics

IF SAT scores have approximately a normal distribution with the mean being 550 and standard deviation of 90. How can I calculate the SAT scores of the 95th percentile? Thank you

86. ## Chemistry

Explain why only four ionization energies are listed for Beryllium in the table listing ionization energies of elements.

87. ## Science

What is the limiting reagent in the solvay process given the equation NaCl+NH3+CO2+H20 giving us NaHCO3+NH4Cl

88. ## health

A proper way to take care of your skin would be to... A:pop pimples before they get to big B:use quality products to tan safely C:moisturize daily with Vaseline D:check for irregular dark spots on your body. I chose D

89. ## life onrietation

Any legislation that fights against poor service delivery?

90. ## stat

In a random sample of 200 registered voters, 150 indicated they are Democrats. Develop a 99% confidence interval for the proportion of registered voters in the population who are Democrats.

91. ## Math

Mr.Edgington travels 25 mph in his boat. To determine how far he travels he uses the equation d=25h, where is d in the total distance in miles and h is the number of hours he travels on his boat. Find the independent and dependent variable and the

92. ## math

what can * by -168 and adds to get 21.

93. ## Social Studies **Ms. Sue**

6.How did European rule in South America change the people of the continent? A. European missionaries introduced religion. *** B. European colonists brought diseases that killed millions of natives. C. European conquistadors incited conflict on the

94. ## math

Bernie has \$16000 invested, part at 3% and the remainder at 5%. If the yearly interest on each investment is the same, how much interest does he receive each year?

95. ## Pre-Algebra

Martha is in a hot air balloon that has risen straight up from the launch point. Matthew is standing on the ground, 16 meters away from the launch point. If Martha and Matthew are 20 meters apart, how high has the balloon risen? A. 4 meters B. 12 meters C.

96. ## English

1. Who wants to recite the reading text? 2. Are there any volunteers that want to recite the two pages? 3. Raise your hands if you want to recite the passage. 4. Who else can recite all the sentences on the two pages? ------------------ Can we use all the

97. ## mechanical principle

1. A fly wheel with a mass of 50 kg is accelerated by an electric motor from rest to an angular velocity of 120rads/s in 14 seconds, if the value of k is 0.3m and there is a frictional torque of 0.07Nm calculate the torque applied, total work and the power

99. ## physics

If a segment of wire has a net charge (uniformly distributed), and then its length is increased by 50%,by what factor has its charge density changed? If the original charge was 10.0 nC, how much charge must then be added to restore the wire’s original

100. ## Math

Two business partners, Ellen and Bob, invested money in their business at a ratio of 6 to 7. Bob invested the greater amount. The total amount invested was \$260. How much did each partner invest?

101. ## 8th grade math asp help

Sara needs to cover the top and sides of the cylinder below. (1 point) h=12 r=8 v=? About how many square inches for paper will Sara need? A.352 in2 B.402 in2 C.804 in2 D. 1,005 in2

102. ## physics

Consider a wire in the shape of a semi-circle of radius R, with a total positive net charge Q distributed over the wire uniformly. Divide the wire into at least 8 equal point-like “chunks” of charge. Then, for each “chunk,” sketch (on the same

103. ## maths

Two forces of magnitude 16N, are inclined at 60. Calculate the magnitude of their reactants

104. ## Chemistry

Arrange the following ions in terms of increasing atomic radius (arrange the increasing from left [lowest] to right [largest]): P3-, Cl-, K+, S2-

105. ## Math

Ronald reads 1,000 words in 5 minutes.Write untie rate would it be like 5/1000=200

106. ## math

a bus driver filled up 7/8 of her fuel tank for a trip. she used 6/7 of the fuel by the end of the trip. the capacity of her tank is 70 gallons. how much fuel did she sue for the trip. express answer a decimal

107. ## math

what is the rate of change of the function y=3

108. ## Ethics in health care

Why does the Philippines encourage the migration of nurses and other health care professionals? Why does Cuba send many of its health care professionals to other countries? Are the reasons in those two countries similar or different? Help

109. ## Pre-Algebra

There are about 3x10^20 gallons of salt water on the earth, while there are about 6x10^18 gallons of fresh water. About how many times the amount of fresh water is the amount of salt water? A. 2 TIMES B. 50 TIMES C. 200 TIMES D. 500 TIMES

110. ## math

round to the nearest hundredths 1.5.

111. ## Math

find the slope of a line that is perpendicular to the line containing the points (–2 –1) and (2 –3). (1 point)

112. ## Math

1/4 of a dozen eggs equal what

113. ## Math

Joe takes his wife and four children to the movies. their tickets cost \$56. the adult tickets cost twice as much as the children's tickets. how much is one adult ticket?

114. ## Pre-Algebra

Given a cylinder and a cone with the same base and the same height Cylinder: r=4 ft and h=3 ft Cone: r=4 ft and h=3 ft What is the volume of the cone in cubic feet? A. 12 π B. 16 π C. 36 π D. 48 π

115. ## 4th

I have 3 rolls of ribbon. each roll is 3 yards long. I cut off 1/2 yards from each roll. how much ribbon did I cut off in all.

116. ## Math\

Victor is y years old .His 9-year-old sister Marsha is 4 years younger than he is Write an equation to represent this situation would this be like 9+4=Y

117. ## math

The sum of two numbers is equal to 495. The last digit of one of them is zero. If you cross the zero off the first number you will get the second. What are the numbers?

118. ## S.S

Does having an unusual name, such as Chastity, Englebert or Moon unit, have an effect on how a child develops? The results of some previous studies agrees with the commonsense idea that such as name could cause a child to be rejected or ridiculed and thus

119. ## Statistics

What is the probability that the average lifetime of 25 bulbs would be no more than 1550 given mean of 1500 and standard deviation of 200 hours. I know that it is asking P(x less than or equal to 1550), x is 25, u equal 1500 and sd is 200. I'm having

120. ## Physics

A small, circular washer of radius a = 0.750 cm is held directly below a long, straight wire carrying a current of I = 13.0 A. The washer is located h = 0.495 m above the top of a table (see figure below). Assume the magnetic field is nearly constant over

121. ## Math

Lisa has 12 more stickers than John, and together they have 60 stickers. What is the ratio of the number of Lisa’s stickers to the number of John’s stickers?

122. ## Chemistry

Which of the following is true? A. In the human female, ovulation occurs in nine-month cycles. B. Egg cells develop in a structure called the uterus and are released at the rate of one a month. C. Spermatogenesis is the process of fertilization of the egg

123. ## Physics

You are sitting on a train that is about to drive into a tunnel that is at the base of a large cliff. Just before entering the tunnel, the train blows its whistle, which has a frequency of 600 Hz. (a) What frequency do you hear from the whistle directly?

124. ## American Government

"The rate of turnover in legislative seats is fairly high, although it tends to vary from state to state and time to time. In a given year, some 20 percent of all lawmakers around the country are serving their first term in office." What factor listed

125. ## physics

A 1024 g mass is hung on a spring. As a result the spring stretches 35 cm. If the object is then pulled an additional 3.0 cm downward and released, what is the period of the resulting oscillation? Give your answer in seconds with 3 significant figures. I

126. ## American Government

All state legislators possess which broadly defined power that allows them to protect and promote the health and safety of citizens? a. police power*** b. nonlegislative power c. veto power d. judicial power

127. ## American Government

Which part of the Constitution was at issue in the nullification crisis? a. the Supremacy Clause b. the Elastic Clause*** c. the Necessary Clause d. the Interstate Commerce Clause

128. ## Math

Jon's test grades are 76,84,83 and 78.What does he need to make on his next test to have an 83 average?

129. ## American Government

In what ways were the early state constitutions similar to the U.S. Constitution?

130. ## geography

What problems may exist in the western cordillera (Canada) when it comes to farming and transportation.

131. ## American Government

Aside from racial segregation, why did Alabama's governor refuse to end the policy of segregation in public universities? a. He wanted to maintain the separation of powers in the federal government. b. He believed that the states' rights doctrine put this

132. ## English

Who is the protagonist and antagonist in the short story "The Machine That Won the War?" Protagonist- I do not think there is just one. I think that Swift, Henderson, and Jablonsky are the protagonists since they are all having discussions throughout the

133. ## Math

A florist sold bouquet of red roses to 15 of the first 20 customers who came into his shop. 1. What is the experimental probability that a random customer in that group bought a bouquet of red roses? 2. Based on the experimental probability, how many

134. ## Science

If ethics is an art of living, what is its subject matter, that is, what is it about ourselves that it is in relation to, and what does this have to do with living intelligently?

135. ## Calculus

Hello, I'd appreciate any help with the following question below: Information: g(x)= 4 (x+1)^(-2/3) f(x)= ∫ g(t) dt The Question: What is f(26) ? (NOTE: I don't know how to do this on a key board, so I'll just say that while I did type an Indefinite

asked by A Poor Student in Dire Need of Help
136. ## Math

The ratio of blue to red cars in a parking lot is 4/7. If there are 168 blue cars about how many red cars are there? 4/7=x/168 672=7x x=96

137. ## Biology

Which of the following is true? A. In the human female, ovulation occurs in nine-month cycles. B. Egg cells develop in a structure called the uterus and are released at the rate of one a month. C. Spermatogenesis is the process of fertilization of the egg