Carol

Most popular questions and responses by Carol
1. finite math

The probability that a randomly selected individual in a country earns more than 75,000 per is 10.5%. the probability that a randomly selected individual in a country earns more than 75,000 per year, given that the individual has earned a bacholer’s

asked on June 17, 2014
2. probability

A golf ball is selected at random from a golf bag. If the bag contains 2 orange balls, 5 red balls, and 18 brown balls, find the probability of the event. That the golf ball will be orange or red.

asked on June 17, 2014
3. college mathematics

Three people are to be selected at random, each will be given one gift card. There is one card from Home Depot,one from Best Buy and one from Red Lobster. The first person selected will get to choose between the two remaining cards. The third person

asked on February 4, 2013
4. finite math (probability

suppose you toss a coin 100 times and get 57 heads and 43 tails. Based on the results what is the probability that the next toss will be head.

asked on June 17, 2014
5. Intro to computers

you are trying to network two laptops together using a Ethernet cable but it isn't working. Which of the following selections might explain why it isn't working? A) using outdated CAT 3 cable B) using straight-through cable C) using a crossover cable D)

asked on June 17, 2015
6. Math for Educators

Use Gauss's approach to find the following sums (do not use formulas). a. 1 + 2 + 3 + 4 +...+ 102 b. 1 + 3 + 5 + 7 +...+1001 a. The sum of the sequence is ? My answer 102-51(103)= 5,253 b. The sum of the sequence is? My answer 500.3(1,002)=501,300.6 Are my

asked on June 4, 2013
7. intro to chem

A 45kg sample of water absorbs 367kJ of heat. If the water was initially 24.8ºC, what is final temperature? Please explain steps. Thanks

asked on June 21, 2014
8. chemistry

How do I prepare 10% w/v HCl from 37%(w/w) HCl (density 1.19g/ml)? Thanks.

asked on June 22, 2009
9. finite math

Among 26-31 year old, 29% say they have written an editorial letter while under the influence of peer pressure. Suppose six 26-31 year old are selected at random. (a) that at least one has not written under the influence of peer pressure. (b) what is the

asked on June 17, 2014
10. Economics

A monopoly produces widgets at a marginal cost of \$8 per unit and zero fixed costs. It faces an inverse demand function given by P = 38 - Q. What are the profits of the monopoly in equilibrium? A. \$225 B. \$120 C. \$345 D. None of the statements associated

asked on February 13, 2009
11. physics

A 5.84 box sits on a ramp that is inclined at 35.2 above the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.27. What horizontal force is required to move the box up the incline with a constant acceleration of 4.30 ?

asked on October 11, 2012
12. computing

You are advising one of your neighbors about the HomeGroup feature of Microsoft. He wants to make sure that all of his computers support this feature. Which one of the operating systems below does not support HomeGroup? A. Windows 7 B. Windows RT C.

asked on February 29, 2016
13. Physics

An object attached to a horizontal spring is oscillating back and forth along a frictionless surface. The maximum speed of the object is 1.91 m/s, and its maximum acceleration is 6.20 m/s2. How much time elapses betwen an instant when the object's speed is

asked on November 17, 2012
14. english 30

"foremother" by lillian bouzane what is the significance of the poems title and how does it help develope the theme

asked on November 14, 2009
15. chemistry

Suppose that a compound Z had a partition coefficient of 8 in ether-water. If 10g of z was dissolved in 100mL of water, and if the water solution was extracted with two 100 mL portions of ether, answer the following questions a) what is the total amount of

asked on February 13, 2011
16. Chemistry

Balance the following redox reaction occurring in an acidic solution: ClO4^-+Br2=Cl^-+BrO3^- I get the two half reactions balanced as: 6e^-+(8H^+)+ClO4^-=Cl^-+4H2O and 6H2O+Br2=2BrO3^-+(12H^+)+10e^- Then I multiply the top equation by 5 and the bottom

asked on March 26, 2016
17. physics

A novice skier, starting from rest, slides down a frictionless 33.0° incline whose vertical height is 127 m. How fast is she going when she reaches the bottom?

asked on November 16, 2010
18. Algebra

translate to an algabric expression; one more than foru times a number

asked on August 1, 2011
19. Math

In a sample of 50 museum visitors one afternoon, 22 were female and 28 were male. If there were 800 museum visitors that afternoon, estimate the number of visitors who were female. A.220 B.352 C.448 D.700 Is the answer C?

asked on April 29, 2014
20. Tech

What is special about the F and J keys on a standard keyboard? A. They have bumps ** B. They are in the exact center of a keyboard C. They are the keys that your middle fingers rest on. D. They are the keys between the home row. A.

asked on September 6, 2016
21. history

How did the Vietnam War, and the domestic opposition to it, come to dominate American politics in the 1960s?

asked on February 21, 2011
22. finite math

According to a certain countries 43.8% of 3 year olds are enrolled in daycare. What is the probability that a randomly selected 3 year old is enrolled in daycare.

asked on June 17, 2014
23. math

what multiplication fact can you double to find 4X7?

asked on February 25, 2009
24. Chemistry

Consider the reaction 2D2(g)+O2(g)→2D2O(l) What is the mass of heavy water, D2O(l), produced when 3.75g of O2(g) reacts with excess D2(g)?

asked on October 11, 2013
25. Physics

In a rescue, a 74.1 kg police officer is suspended by two cables, as shown in the figure. Cable A makes an angle θA = 32.0° with respect to the horizontal, and cable B, θB = 74.0°. Sketch a free body diagram. Calculate the tension in cable A.

asked on October 10, 2015
26. history

the island that became Rome northwestern frontier?

asked on February 17, 2011
27. cost accounting

The East Company manufactures several different products. Unit costs associated with Product ORD203 are as follows: Direct materials \$50 Direct manufacturing labor 8 Variable manufacturing overhead 10 Fixed manufacturing overhead 23 Sales commissions (2%

asked on October 14, 2011
28. college Mathematics

I have been trying to figure this out for day's please help if you can. A survey of 59 customers was taken at a book store regarding the type of novels purchased. The survey found 34 customers purchased mysteries, 27 purchased science fiction, 20 purchased

asked on February 12, 2013
29. chem

Which of the following species is isoelectronic, Ba2+ and Ba, Al3+ and Ar, Cl - and Na+ , or Sr2+ and Se2-

asked on July 12, 2011
30. childhood education

what does reseach show about the child;s relationship with the primary parental figure when the child has additional attachments to other people

asked on May 13, 2011
31. ELA

Asthma Centers for Disease Control, Asthma, FAQs What Asthma Is 1 Asthma is a disease that affects your lungs. It is the most common long-term disease of children. It causes repeated episodes of wheezing, breathlessness, chest tightness, and nighttime or

asked on March 29, 2018
32. Algebra

The student council is asking people to donate money for the new park outside the school. Everyone who makes the suggested donation amount will be given a bracelet. If everyone donates the suggested amount, and b bracelets are given away, what algebraic

asked on April 20, 2015
33. phy

a rubber ball is thrown against a horizontal wall and bounces back with the same speed it came in at. The change in momentum vector of the ball is A) 10 m/s^2 B) in the same directions the ball's initial motion C) in the opposite direction as the ball's

asked on November 4, 2016
34. algebra

8+3x6-4-1=13 where do I put parentheses

asked on September 4, 2014
35. finance

the corner grocer has a 7-year, 6 percent annual coupon bond outstanding with a \$1,000 par value. the bond has a yield to maturity of 5.5 percent. Which one of the following statements is correct if the market yield suddenly increases to 6.5 percent? The

asked on March 5, 2014
36. finite math

According to a certain countries 44.5% of 3 year olds are enrolled in daycare. What is the probability that a randomly selected 3 year old is enrolled in daycare. edited

asked on June 17, 2014
37. ELA

How are these sentences similar grammatically? 1. The long and exhausting practice was scheduled by Jacklyn's coach. 2. Jacklyn's dance competition was finally set for next Saturday. A) Both sentences are expressed in active voice. B) Both sentences are

asked on March 29, 2018
38. history

How and why did the American economy soar from 1950 to 1970?

asked on February 21, 2011
39. physics

a 2.50 N rock is thrown down from a cliff at 10.0 m/s. a. what is the velocity after falling 25.0 m? b. velocity as it hits the water 125 m below? c. kinetic energy as it hits the H20?

asked on November 24, 2013
40. chemistry

One-third cup of vanilla ice cream provides about 145kcal of energy. A typical adult uses about 195kcal/hr of energy while walking. If all of the enrgy in one third of a cup of valilla ice cream were to be burned off by walking, how many minutes would it

asked on November 26, 2012
41. Social Studies

Producers and consumers own the factors of production Custom and habit answer the question of who, what and how to produce Outside trade and commerce is discouraged Roles within the community are defined by custom and gender What type of economic system is

asked on March 30, 2018
42. finite math

The probability that a 3-year old garter snake will reach 4 years old is 0.94461. (a) what is the probability that two randomly selected will reach 4 years old? What is the probability that five randomly selected 3 year old garter snakes will reach 4 years

asked on June 17, 2014
43. Physics!

A 0.3 kg brick is dropped form a height of 8 meters. It hits the ground and comes to rest. a) Calculate the impulse exerted by ground on the brick. b) It takes 0.0013 seconds from the time the brick first touches the ground until it touches the ground.

asked on January 15, 2013
44. Introduction to computers

What is the purpose of using templates in PowerPoint? A) integrates animation and audio automatically B) inserts a consistent look and format to the entire presentation C) inserts the required formulas automatically into the presentation D) imports fonts

asked on June 14, 2015
45. math

2. In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

asked on March 30, 2014
46. math

At Soap ans Suds there are 16 washing machines in a single row with no space between each one.Each washing mashine is 2 feet 5 inches across. What is the total length of the 16 washing machines?

asked on December 3, 2014
47. pharmacology

How many grams of dextrose are in 50ml normal saline solution

asked on March 9, 2017
48. Math for Educators

Find the 9th term of sequence. 4, 12, 36, 108, .... The 9th term of sequence is ?? My answer 236,196 4+[3(n-1)] Correct?

asked on June 4, 2013
49. Algebra

Mr. Delgado has some young orange trees. He wants to plant them in 46 rows. If t is the total number if orange trees, write an algebraic expression to represent how many trees he can plant in each row.

asked on April 20, 2015
50. math

Mrs. Jones and Mr. Graham had the same amount of money at first. After Mrs. Jones bought a computer that cost \$2,055, she had 1/4 as much money as Mr. Graham. How much money did Mr. Graham have?

asked on March 27, 2014
51. Math

Alex made a sketch for a homemade soccer goal he plans to build. The goal will be in the shape of a triangular prism. The legs of the right triangles at the sides of his goal measure 4 ft and 8 ft, and the opening along the front is 24 ft. How much space

asked on March 14, 2016
52. Trig - 9th grade

Can you help me solve: 5sin2x + 3sinx - 1 = 0 Thanks

asked on January 10, 2016
53. Math

More than 18'students in an algebra class pass the first test. This is about three-fifths of the class. How many students are in the class? How do you know?

asked on March 5, 2013
54. Principles of Public Speaking

An advantage of using narratives in your speech is that they: A- Explain abstract concepts B- Calm emotions C- Create excitement D- Clarify technical ideas I chose D. Would that b correct?

asked on June 5, 2016
55. math

2. In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

asked on March 30, 2014
56. Literature

Hi, I'm currently reading 'The Great Gatsby' and was wondering if someone could help me understand this passage: "My commutation ticket came back to me with a dark stain from his hand. That anyone should care in this heat whose flush lips he kissed, whose

asked on April 23, 2008
57. physics

A swimmer is capable of swimming 0.45 m/s in still water. (a) If she aims her body directly across a 75 m-wide river whose current is 0.30 m/s, how far downstream (from a point opposite her starting point) will she land? (b) How long will it take her to

asked on December 2, 2009
58. finance

he bonds issued by Stainless Tubs bear a 6 percent coupon, payable semiannually. The bonds mature in 11 years and have a \$1,000 face value. Currently, the bonds sell for \$989. What is the yield to maturity?

asked on March 5, 2014
59. statistics

True or false> in a physics class there are 9 juniors and 21 males. Then there must be 30 male juniors in this class.

asked on September 27, 2011
60. psychology

which of the following has been demonstrated by research as a skill or ability that is induced via meditation? A) ability to raise metabolism B) ability to cure bacterial infections withou medication C) ability to lower body temperature D) ability to

asked on March 14, 2015
61. college algebra

A steel drum in the shape of a right circular cylinder is required to have a volume of 100 cubic feet. express the amount of material required to make the drum as a function of the radius r of the cylinder. also how much material is required if the drum is

asked on February 27, 2012
62. math

In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

asked on March 30, 2014
63. pcycology

Deindividuation is related to mobs in the same way that _______ is related to groups. A. social prejudice B. persuasion C. attitude D. diffusion of responsibility

asked on October 25, 2016
64. finite math

According to a certain countries 44.5% of 3 year olds are enrolled in daycare. What is the probability that a randomly selected 3 year old is enrolled in daycare.

asked on June 17, 2014
65. math

In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

asked on March 30, 2014
66. math

Jill ley took out a loan to pay for education for \$60,000. would be repay back in 8 years with the interest of 6% what will be jill pay back at the end of the loan is:

asked on September 22, 2011
67. Pre Calculus

use a calculator to find approximate solutions of the equation. 8.06x^2+25.8726x-25.047256=0

asked on September 27, 2009
68. ELA

In which sentence is the ellipsis used INCORRECTLY? A) Abigail confessed that she "loved the novel by Jane Austen. . . ." B) Abigail confessed that she "loved the novel by. . .Austen more than the novel by. . .Twain." C) Abigail confessed that she "loved

asked on March 29, 2018
69. intro to chem

Calculate the amount of heat required to heat a 3.0kg gold bar from 23 degrees Celsius to 60 degrees Celsius

asked on June 21, 2014
70. Introduction to Psychology

Joaquin has been assigned a primary research project in his psychology class. He is to observe student behavior during a learning task andattempt to for a(an) ________. In order to do this, he must be able to describe principlesand events, and how they may

asked on November 5, 2011
71. physics

A batter hits a fly ball which leaves the bat 0.90 m above the ground at an angle of 61° with an initial speed of 29 m/s heading toward centerfield. Ignore air resistance. (a) How far from home plate would the ball land if not caught? (b) The ball is

asked on December 2, 2009
72. college algebra

perform the indicated computation. write the answer in scientific notation (2x10^)(3.5x10^)

asked on March 30, 2014
73. college algebra

suppose the revenue in dollars from selling x cell phones is R(x)= -1.2x^2+220x. the cost in dollars of selling x cell phones is C(x)=0.05x^3-2x^2 +65x+500. find the profit function P(x)=R(x)-C(x). find the profit if x=15 hundred cell phones sold

asked on February 27, 2012
74. math

a plane is steering at S83degE at an air speed of 550 km/h. The wind is from N70degE at 85 km/h. Find the ground velocity of the plane to 1 d.p.

asked on June 10, 2018
75. math

At 6 PM, the temperature in Redding, CA, t, is the same as the temperature in Fresno, CA. By 9 PM, the temperature has dropped 2 degrees and in Fresno it has dropped 4 degrees. By 11 PM, the temperature in Redding has dropped another 3 degrees. Represent

asked on April 20, 2015
76. English

I want a speech about traditional healers should be allowed to practice and prescribe medicine in hospital and clinics

asked on April 7, 2019
77. english grade 12

what are 2 examples of emjambment in the poem "vancouver-courtney-calgary" by george bowering

asked on November 14, 2009
78. Criminal Procedure

Which of the following are NOT sources of rights? a)Court decisions b)Police department policies c)Federal Constitution d)Statues I think b is the correct answer

asked on November 3, 2014
79. math

Of 47 plays attributed to a playwright 17 are comedies, 18 are tragedies, 12 are histories. If one play is selected random find the odds against selecting a tragedy.

asked on February 12, 2013
80. probability

10. The probability that a randomly selected individual in a country earns more than 75,000 per is 11.5%. the probability that a randomly selected individual in a country earns more than 75,000 per year, given that the individual has earned a bacholer’s

asked on June 17, 2014
81. math

Three people are being selected at random, each will be given one gift card. There is one card from Home Depot,one from Best Buy and one from Red Lobster. The first person selected will get to choose between the two remaining cards. The third person

asked on February 1, 2013
82. math

two fourths of a circle plus two tenths of a circle is what decimal part of a whole circle?

asked on September 20, 2012
83. Chemistry

Hi, I have to draw a dot and cross diagram for NH2+ and then state the bond angles. I have done NH2-, but I am not sure how to do the + one.

asked on November 10, 2011
84. Math help??

Find the missing length of the right triangle if a = 7 and b = 24. Read the followng and see if it hepls to solve this. If you still don't get it repost your answer. http://en.wikipedia.org/wiki/Pythagorean_theorem a sqaured+b squared=c squared 7

asked on March 9, 2007
85. finance

he bonds issued by Stainless Tubs bear a 6 percent coupon, payable semiannually. The bonds mature in 11 years and have a \$1,000 face value. Currently, the bonds sell for \$989. What is the yield to maturity?

asked on March 5, 2014
86. algebra

Silver is liquid for Celsius temperatures C such that 960.8 degrees (less than or equal to) C < 2180 degrees. Find such an inequality for for the corresponding Fahrenheit temperatures.

asked on May 8, 2018
87. Algebra

Jill, Meg, and Beth are sisters. Jill is 2 years younger than Meg. Beth is half as old as Meg. Use the same variable to write three algebraic expressions based on this situation. Tell what the variable represents and what each expression represents.

asked on April 20, 2015
88. Personal finance

A 10 year bond has a coupon rate of 7% annually and a principal payment of \$1000.00. Other similar bonds are paying 9% annually. To determine the value of this bond you must find the interest factors, IF at: A) 9% for 10 periods b) 9% for 20 periods c)

asked on December 28, 2014
89. physic =)

A bullet is fired directly upward from a rifle at ground level. Assuming a velocity muzzle of 490 m/s, and neglecting air resistance, find: A.height of the highest point reached. B.time required to reach this point. C.total time before the bullet returns

asked on January 6, 2013
90. math

x^2-6x-7=0 Completing the square need help

asked on May 28, 2010
91. Algebra

Write the polynomial in descending order. Then identify the leading coefficient and the degree. -2x+8+2x4 Need HELP

asked on November 24, 2018

Complete the sentence with the word that is in parenthesis. (fulfill) My sister picked me up from school.....

asked on December 8, 2014
93. Economics

Suppose a manager is interested in implementing third-degree price discrimination. The manager knows that the price elasticity of demand for Group 1 is -2 and the price elasticity of demand for Group 2 is -1.2. Based on this information alone we can

asked on March 20, 2012
94. algebra 2nd grade

find the missing number 42-9=43-

asked on December 12, 2011
95. Economics

2. Lucy quits a \$50,000 job to open her waffle business. She makes \$225,000 in revenue from her first year of waffle sales. She pulls \$50,000 out of an account that returns 3% interest per year and invests the entire amount in her business. She also

asked on July 9, 2011
96. calculus

verify the following identity cos(x+y) + cos(x-y)=2cosxcosy

asked on April 22, 2011
97. maths

bus a stops every 12 minutes and bus b stops every 9 minutes on the same circuit.they stop at the same bus 9:15.when is the next time this happens?

asked on May 23, 2016
98. Physics

An unstable nucleus with a mass of 18.0 ✕ 10-27 kg initially at rest disintegrates into three particles. One of the particles, of mass 4.1 ✕ 10-27 kg, moves along the positive y-axis with a speed of 8.0 ✕ 106 m/s. Another particle, of mass 7.7 ✕

asked on February 28, 2015
99. calculus

The Revenue from the sale of x units of a product is represented by the following formula: R = 20(3x + 1)^-1 + 50x - 17 dollars. Find the Marginal Revenue when 20 units are sold?

asked on February 12, 2012
100. grammar

underline the adverb and circle the word or phrase it tells more about. These furs brought extravagantly high prices. Theirs was a very solitary existence.

asked on February 10, 2011