1. Discrete Math

A bag contains 5 red marbles, 4 yellow marbles, 3 green marbles, 2 orange marbles and 2 purple marbles. If three marbles are removed, what is the probability that at least one of them is red?

2. Science help asap 2 questions!!!

4. Which of the following describes an example of a potentially invasive species? (1 point) Fruit covered with fruit fly eggs is trucked from Mexico to Canada. Racehorses are shipped by boat from New York to London. Coffee beans in burlap bags are flown

3. Meths

A drawer contains 22 black socks, 22 white socks, 22 blue socks, and 22 brown socks. If the light is off and Matt reaches into the drawer to get his socks, what is the minimum number of socks he must pull out in order to be sure that he has a matching

4. math URGENT

Find all values of x such that sin 2x = sin x and 0 x 2π. (List the answers in increasing order.) x= x= x= x= x=

5. finance

You have just purchased a new warehouse. To finance the purchase, you’ve arranged for a 25-year mortgage for 75 percent of the \$3,600,000 purchase price. The monthly payment on this loan will be \$17,700. What is the APR on this loan?

6. college finite math

A product may be made using Machine I or Machine II. The manufacturer estimates that the monthly fixed costs of using Machine I are \$17,000, whereas the monthly fixed costs of using Machine II are \$14,000. The variable costs of manufacturing 1 unit of the

7. social studies

can someone give me 3 examples of how where Carolina lives shapes her life and the opportunities available for her and her family.

8. college finite math

Cowling's Rule is a method for calculating pediatric drug dosages. If a denotes the adult dosage (in milligrams) and if t is the child's age (in years), then the child's dosage is given by D(t) = (t + 1/24)a (a) Show that D is a linear function of t. Hint:

9. physics

2.A solid iron cylinder with a diameter of 150mm a height of 1m and a density of 7860 kg/m^3 is suspended in fresh water (density of fresh water is 1000 kg/m^3) calculate the tension in the supporting cable when two thirds of the volume of the cylinder is

10. Chenistry

A 0.8870g sample of a mixture of nacl and kcl is dissolved in water and the solution is then treated with an excess of agn03 to yield 1.913g of agcl. Calculate the percentage by mass of nacl in the mixture 1.913g/ 143 = 0.0133 M agcl x/58 + Y/74 (0.887g-x)

11. computer

A user call your help desk to report that the files on her USB stick do not have any permissions associated with them and therefore aren't secure. Why is this?

12. college math HELP!!!!!

The quantity demanded x each month of Russo Espresso Makers is 250 when the unit price p is \$180; the quantity demanded each month is 1000 when the unit price is \$150. The suppliers will market 750 espresso makers if the unit price is \$80. At a unit price

13. maths, physical science , life science , geography

Hi I am in grade 10 , I am doing maths physical science, life science and geography, what jobs can I get into with those subjects

14. college finite math

Cowling's Rule is a method for calculating pediatric drug dosages. If a denotes the adult dosage (in milligrams) and if t is the child's age (in years), then the child's dosage is given by D(t) = (t + 1/24)a (a) Show that D is a linear function of t. Hint:

15. Physics

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 4.5 h, a swimmer makes exactly 69 laps in a swimming pool that is 35 m long. Determine the distance the swimmer traveled, the total displacement of

16. chemistry

In a combustion reaction, propane (C3H8) reacts with oxygen. How many moles of CO2 can be produced when 2.25 mol of C3H8 react? C3H8(g) + 5O2(g) -„³ƒn3CO2(g) + 4H2O(g)

17. Physics

Suppose that a binary star system consists of two stars of equal mass. They are observed to be separated by 380 million kilometers and take 9.0 Earth years to orbit about a point midway between them. What is the mass of each?

Express the fraction(s) 6/7 and 12/10 as the sum of two or three equal fractional parts. Rewrite each as a multiplication equation. Any help is appreciated.

19. math

If sin(x) = 1/3 and sec(y) = 5/4, where x and y lie between 0 and π/2, evaluate sin(x + y).

20. Physics

What is one advantage and one disadvantage of using a ramp? Explain in detail.

21. physics 2

if 120 g of hot water at 85 degree celsius is poured into an insulated cup containing 200 g of ice at 0 degree celsius. how many grams of liquid will there be when the system reaches thermal equilibrium?

22. Social Studies

I'm not so sure about the answers to these questions. Could you check my answers please? Thanks. Who led the federal troops that forced the Cherokee west on the trail of tears? -Andrew Jackson -Winfield Scott -William Henry Harrison** -Oliver Hazard Perry

23. math

Rewrite by completing the square. 2x^2 - 12x + 11

24. physics- multiple choice

1. A transport truck pulls on a trailer with a force of 600N [E]. The trailer pulls on the transport truck with a force a) of zero b) of less than 600 N is the truck is slowing down c) equal to 600 N only if the truck is moving at constant velocity d)

25. american history

Through what spanish settlement did Zebulon Pike travel?

26. college finite math

The quantity demanded x each month of Russo Espresso Makers is 250 when the unit price p is \$180; the quantity demanded each month is 1000 when the unit price is \$150. The suppliers will market 750 espresso makers if the unit price is \$80. At a unit price

27. physics

3 factors that we must always give when expressing a force vector quantity

28. Physics

An explorer in the dense jungles of equatorial Africa leaves his hut. He takes 41 steps at an angle 45∘ north of east, then 81 steps at an angle 60∘ north of west, then 49 steps due south. Assume his steps all have equal length. Save him from becoming

29. college finite math

For wages less than the maximum taxable wage base, Social Security contributions (including those for Medicare) by employees are 7.65% of the employee's wages.† (a) Find an equation that expresses the relationship between the wages earned (x) and the

30. Science

2 forces of 5N&7N respectively act on an object. (a) When will the resultant of 2 vectors be at a maximum? (b) When will the resultant of the 2 vectors be at a minimum?

31. physics

3 factors that we must always give when expressing a force vector quantity

32. math

Moffett’s Candy Factory makes candy in the shape of cylinders. The net of a cylindrical piece of candy is shown below. two circle with diameter of 4cm each and a rectangle with a lenght of 1.5 cm wha is the total surface area of this piece of candy?

33. Chemistry

Calculate the pH of the solution formed by adding 15.0ml of 0.1M sodium hydroxide to 30.0ml of 0.1M propanoic acid.

34. physics

3 factors that we must always give when expressing a force vector quantity

35. SCIENCE 1 QUESTION PLS HELP ASAP

Select three words that belong together. To do this pick one word from each of the three sets below: Set 1: Estuary, Lake, Neritic Zone Set 2: High Salt, Intermediate Salt, No Salt Set 3: Trout, coral, oyster Answer choices: A) Neritic zone, intermediate

36. Biology

What does the cardiovascular systems consist of?

37. math

A sequence is generated in which each term is 9 more than the previous term, If the eighth term is 13, what is the fourth term? a. -23 b. -14 c. 40 d. 49 e. 58 please answer and explain

38. science

transmission electron microscope compound (light) microscope scanning electron microscope field scope dissecting microscope Arrange the five types of microscopes in order from lowest resolution to highest.

39. Algebra

Ten years ago a man was three times as old as his son. In twelve more years,the son is three fifths as old as his father.what were their ages 5 years ago?

40. Mathematics

(14x^7 multiplied by y^5 multiplied by x^6 divided by 21x^12 multiplied by y^2)^4

41. physics

A barefoot field-goal kicker imparts a speed of 39 m / s to a football initially at rest. If the football has a mass of 0 . 26 kg and the time of contact with the ball is 0 . 01 s, what is the force exerted by the ball on the kicker’s foot?

42. SAT

please help. I am a foreigner. I need to get into a US college for a bright future. I bought the College Board SAT book. It has no word lists. How do I do well in the SAT? Any tips? Please give me help.

43. math

a parcel has a mass of 794g, estimate the mass of 32 of these parcels together

44. physics

in a experiment to measure the speed of sound in glass, a pulse of sound is sent into a glass rod, 14 m in length. the reflected sound is detected after 5.6 ms (0.0056 s). calculate the speed of sound in glass.

45. Physics

A tuning fork creates sound wave with frequency of 170 hertz. If the speed of sound is 340 m/s, what is the wave length of the sound wave?

46. Physics

A tuning fork creates sound wave with frequency of 170 hertz. If the speed of sound is 340 m/s, what is the wave length of the sound wave?

47. physics

3.The diameter of a pipe changes gradually from 150mm at point A, 6m above datum, to 75 mm at B, 3 m above the datum. The pressure at point A is 103KN/m^2 and the velocity of flow is 3.6m/s . Neglecting loses, determine the pressure at point B.

48. Physics

What affect does changing the mass of an object on a ramp have on the efficiency of the ramp? Explain.

49. BUS 401

Which of the following statments regarding the cost of preferred stock is true? a.It is typically found by solving for an annuity’s discount rate. b. It is tpically found by solving for an annuity's due's discount rate. C. It is found similarly to a

Hi, can someone tell me if these 3 multiple choice questions is correct? I'm struggling with these 3 questions and trying to make sure if they are correct. For Kant, the moral worth of an action lies in: a. The predicted effects of that action. b. The

51. math ( sequence )

A sequence is generated in which each term is equal to the sum of the two preceding terms, If the first two terms are 1 and 3, what is the sixt term? a. 11 b. 14 c. 18 d. 22 e. 29 please answer and explain

52. physics

Three forces are applied to an object, as indicated in the drawing. Force Farrowbold1 has a magnitude of 29.0 newtons (29.0 N) and is directed 30.0° to the left of the +y axis. Force Farrowbold2 has a magnitude of 18.9 N and points along the +x axis. What

53. physics 2

two hundred fifty grams of water at 80 degree celsius is poured into a styrofoam cap of negligible heat capacity containing 180g of water at 10 degree celsius. after an additional 300 g of water to the cap, the mixture comes to the equilibrium temperature

54. college finite math

A division of a company produces "Personal Income Tax" diaries. Each diary sells for \$6. The monthly fixed costs incurred by the division are \$30,000, and the variable cost of producing each diary is \$1. (a) Find the break-even point for the division. (x,

Consider the following sample of data: 11.2, 28.4, 32.6, 17, 13.5, 2.2, 38, 41.4, 1.9, 14.4, 21.8, 23.8 a) Calculate the max, min, Q1, median, and Q3 b) Calculate the average c) Calculate the standard deviation d) Calculate the variance

56. cosmology

A galaxy with an apparent magnitude in the V band (λc ~ 5550 angstroms, width δλ ~ 800 angstroms) of mV = 22.5 mag is observed with the Palomar 200-inch telescope. How many photons per second are collected from this galaxy over the 200-inch (~ 500 cm)

57. Bobby

Find the length (in cm) of an arc of a circle with radius 12 cm if the arc subtends a central angle of 30°.

58. economics

An investor sells a stock short for \$36 a share. A year later the investor cover the position at \$30 a share. If the margin requirement is 60% what is the oercentage return earned on the investment? now assume the price is at \$42 when the investor closes

59. Hi

Name: Park Sumin Partner: Bangtan Boys Rap Monster Scenario: Author's choice

60. physics

A baseball has a mass of about 155 g. What is the magnitude of the momentum of a baseball thrown at a speed of 95 mph?(Note that you need to convert mass to kilograms and miles per hour to meters per second.) Answer in units of kg · m/s

Consider the GPA’s for the following 15 students 3.10, 3.20, 3.49, 2.68, 3.73, 3.39, 3.80, 3.11, 3.10, 3.10, 4.0, 3.89, 2.55, 4.0, and 3.75 a) Compute the max, min, Q1, median 3.9, Q3, IQR, and range 1.45 b) Using the variables from part a), construct a

62. Finance

Which of the following actions wiling DECREASE the present value of an investment. A. Decrease the interest B. Decrease the future value C. Decrease the amount of time D. All of the above will increase the present value

63. Math

During the first day of the concert, the number of student tickets sold was 80 fewer than the number of student tickets sold.On the second day, the number of adult tickets sold decreased by 15 percent while the number of student tickets sold increased by

64. Math (Check My Steps)

(1)/(2^0) 1/1 = 1

65. Chemistry

A 0.2299 N acid is prepared by mixing 100 ml of 0.1234 N H2SO4 and 0.3200 N HCl. How much HCl is needed in the preparation of the solution?

66. maths literacy,history,geography,cat and english

What can I study if I have those subjects

67. statistics

4 Find: a. The z score for each male salary, based on only the male salaries. b. The z score for each female salary, based on only the female salaries. c. The z score for each female compa, based on only the female compa values. d. The z score for each

A coin box contained some twenty-cent and fifty-cent coins in the ratio 4:3. After 20 twenty-cent coins were taken out to exchange for fifty-cents coins of the same value and put back in the box, the ratio of the number of twenty-cent coins to the number

69. math

there are 54 rows of 29 seats in a movie theatre, estimate the number of seats in the movie theatre.

70. transportation economic

In your own words, describe the meaning of marginal cost. You normally buy a crate of wine for \$75. One crate has 6 bottles of wine. After a month, the store clerk informs you that the same crate of wine now costs \$82. However, there are 7 bottles in a

71. economics

A speculator sells a stock short for \$50 a share. The company pays a \$2 annual cash dividend. After a year has passed the seller cover a short position of \$42. What is the percentage return on the position (excluding the impact of any interest expense and

72. pscyhology

tentative explanation is known as ?

73. Physics

An ice skater skates 16.9 m southwest, then 33.8 m east, and finally 50.7 m in a direction 50.9◦ north of east. Find the magnitude of the displacement re- quired to bring the skater back to her starting point. Answer in units of m

74. physics

An electron passes location h0.02m, 0.04m,−0.06mi, and 4 μs later is de- tected at location h0.02 m, 1.84 m,−0.86 mi. Find the average velocity of the elecron: ¯v = If the electron continues to travel at this av- erage velocity, find where it will be

75. Physics

An electron passes location , and 4 μs later is de- tected at location . Find the average velocity of the elecron: ¯v = If the electron continues to travel at this av- erage velocity, find where it will be in another 9 μs : ~d = Answer in units of m

76. Maths

I don't get this Find the equation of the line given the following information: m=UD, x=-5 And I have to find the equation. Then it says: Identify the slope and y intercept from the following equations: y=8, m=___, b=___ I also have to graph it. But if

77. English

What is the difference between "should have " and "could have"? Please give several example sentences.

78. Pre-calc

find the domain of (x+2)/x^3-16x

79. Algebra

Gustavs father is seven times as olda s he is.a. Year ago,he was nine timesa s olda s gustav. Find gustavs present age

80. Chemistry

What is molecular mass of CuSO4(NH4)SO4.H2O

81. Math

Simplify the difference quotient [f(2 + h) − f(2)]/h if h ≠ 0. f(x) = x^2 − 3x I keep getting the answer wrong...please help.

82. math

the cast of painting a wall with dimensions 15m by 20m is 6250 find the altitude of a rhombus shaped window with side 7.5 m,,if the rate of painting 25 per m

83. statistics

What is the probability for a: a.       Randomly selected person being a male in grade E? b.      Randomly selected male being in grade E? c. Why are the results different?

84. math

the cast of painting a wall with dimensions 15m by 20m is 6250 find the altitude of a rhombus shaped window with side 7.5 m,,if the rate of painting 25 per m

85. cosmology

We observe a galaxy at z = 1, and a quasar at z = 2. What is the redshift of the quasar as observed from that galaxy? Enter a numeric answer.

86. math

five square flower beds of side 1m us dug on a rectangular piece of land 8m long and 6m50cm wide.Find the area of remaining part of land

87. math

Find an equation for the line that passes through the point (2, -5) and is parallel to the x-axis and is parallel to the y-axis and is parallel to the line 2x - 4y = 3

88. physics

A bucket of water has a weight of 40N.a man lifts the bucket by applying an upward force of 20N.at the same time a child pulls the bucket along the ground with a horizontal force of 10N...calculate the resultant force on the bucket

89. math

Find an equation for the circle that has center (-1, 4) and passes through the point (3, -2). (x - ? )2 + (y - ? )2 = ?

90. math

Solve the equation. (Find only the real solutions.) x2 - x - 2 = 0 they also said there is a smaller value and a larger value ??

91. Math

Find the center and radius of the circle with equation x2 + y2 - 6x + 10y + 9 = 0. center ( ? , ? ) radius ?

92. Grammar

Hanged or hung? The intruders ? the people.

93. Math

A number is added to 7 and the result is multiplied by 4. The final answer is twice the original number . Find the original number.

94. Math- Negative and Zero Exponents

Please show step-by-step how I am supposed to solve these types of problems. 1. 4ab^0 2. 5x^-4 3. (3x^-2)/y

95. physics

4.A steel rod is heated to 200 degrees Celcius and is then rigidly clamped at both ends and allowed to cool. Determine the temperature at which the rod will break if the tensile strength, coefficient of linear thermal expansion and youngs modulus of

96. Finance

A person invests \$500 on June 4, 2015 in an account which earns 7% simple interest. Determine the value of the investment on October 18, 2015.

97. News/Stereotypes

Hi, I need help Identifying an example of news coverage that sterotypes a group of people and a) define the stereotype b) explain how the coverage perpetuates the stereotype? Any suggestions that I can use?

98. pscyhology

another descriptive is called? in which ? individual is studied in great details

99. Physics

Friction is usually the killer of efficiency. How does a ramp relate to friction?

100. MATH

CLASS SOLD 82 TICKETS TO CONCERT AND MADE #431. \$8 FOR ADULT AND \$3 FOR CHILDREN TICKETS. HOW MANY OF EACH WERE SOLD?

Hi, I would appreciate if someone can let me know what they think about the answer that I choose for these questions? Mortimer argues that right actions are the ones that: a.We believe to be right. b.Are culturally valid. c.God commands us to perform.

102. AP Chemistry

What is the mass percent of acetic acid in 3.25 molality of CH3COOH?

103. Math

what is the daily increase in length of a young whale? (Use 1 month= 30 days) I just can't figure this part out for the whole question... the increase is 30 feet per month.

104. Math

(1/a)+4 I can never figure out these fractions...

105. Essay Evaluation (Writeacher)

May I ask for you opinion? Have I written according to what was instructed of me? Does it require any improvements? Write an essay explaining in what ways today are fearful than people in past generations. You may use examples from real life, the selection

106. Algebra, Intermediate

How do I set up my equation for 18 wheeler with 71 fridges and 118 TVs and 51 fridges and 176 TVs with my graph showing (0,330) and (110,0)? Page 539 problem 68 Thanks!

107. Philosophy(Having Problems)

Hi, I would appreciate if someone can let me know what they think about the answer that I choose for these questions? Mortimer argues that right actions are the ones that: a.We believe to be right. b.Are culturally valid. c.God commands us to perform.

108. math

Solve the equation. (Find only the real solutions.) (2x)/(x+1) = (2x-1)/(x)

109. Math

A sequence is given by Un=a(1-2n).determine the first 3 term of sequence

110. math (sets)

{ 1,2.3,..........,210 } How many numbers in the above set are multiples of 3 but not 9 ? a. 46 b. 47 c. 48 d. 69 e. 70 please answer and explain

111. MATH

Find the exact values. (a) tan(π/3) = ? (b) sin(7π/6) = ? (c) sec(5π/3)= ?

112. math ( Terminology )

The " lumper " of a number is equal to the sum of all the prime numbers less than that number. If the lumper of x is equal to the lumper of x + 3, which of the following is a possible value of x ? a. 7 b. 8 c. 9 d. 10 e. 11 please answer and explain

113. Mathis

You have £100 you have to buy 100 animals. 1 chicken costs 50p,1pig costs £10,1 sheep costs £2?

114. math

mary deposited dimes and quarters into the coinstar machine at her local grocery store. the total money she deposited was 22.15. if mary had 84 dimes, write and solved a linear equation to find the number of quarters she had.

115. math

mary deposited dimes and quarters into the coinstar machine at her local grocery store. the total money she deposited was 22.15. if mary had 84 dimes, write and solved a linear equation to find the number of quarters she had

116. english

I need help paraphrasing this paragraph. Because addiction treatment aims to change deeply embedded habits, relapse can be part of the process. However, this is a well-known feature of diabetes, hypertension, asthma, and other chronic diseases with

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