1. Ed Tech

The famous social reformer Fredrick Douglass was born in 1818 in Tuckahoe, Maryland. He was mostly raised by his grandmother. Douglass was born a slave and remained so until 1838, when he escaped slavery by borrowing the papers of a freed-slave and moved

3. In "The Destructors," which of the following best describes how Blackie feels about T's new role as gang leader? (1 point) resentful curiosity skeptical obedience unwavering support overwhelming resignation 4. Which of the following quotes from "The

3. chemistry

Equal volumes of 0.220 M weak base (Kb=4.0x10^-9) and 0.220 M HCl are mixed. Calculate the pH of the resulting solution

4. algebra

This isosceles triangle has two sides of equal length, a, that are longer than the length of the base, b. The perimeter of the triangle is 15.7 centimeters. The equation 2a + b = 15.7 can be used to find the side lengths. If one of the longer sides is 6.3

5. Statistics and Probability

Winning the jackpot in a lottery requires that you select the correct three numbers between 1 and 51 and in a another separate drawing you must select the correct single number between 1 and 15. Find the probability of winning the jackpot- The probability

6. Art

In the painting a seated soldier by Hippolyte Bellange the artist recognized the basic shapes in the figure on order to A. confuse the eye, making it difficult to draw. B. Record the various parts of the body accurately. C. Create a change in value D.

7. Ed Tech

The famous social reformer Fredrick Douglass was born in 1818 in Tuckahoe, Maryland. He was mostly raised by his grandmother. Douglass was born a slave and remained so until 1838, when he escaped slavery by borrowing the papers of a freed-slave and moved

8. physics

A metal sphere is launched with an initial velocity of 1.5 m/s as it leaves the ramp. The end of the ramp is 1.2 m above the floor. Calculate the range of the sphere.

9. Chemistry Equation

1) Write the equation for the reaction associated with the Ka2 of sulfuric acid, H2SO4. 2)Write the equation for the reaction associated with the Kb2 of carbonate, CO3^(2-).

10. Ed. tech HELP!!!

When viewing a presentation, words on slides may appear to fly in and out or dissolve. What makes text in a presentation do this? A. The addition of text animations B. The addition of slide transitions C. The addition of Action buttons D. The addition of

11. Math

Xander says that the place value sections method, the expanded notation method, and the algebraic notation method of multiplying a one-digit number by a two-digit number are pretty much the same. Do you agree or disagree? Explain.

12. physics

As shown in the figure below, a box of mass m = 57.0 kg (initially at rest) is pushed a distance d = 79.0 m across a rough warehouse floor by an applied force of FA = 202 N directed at an angle of 30.0° below the horizontal. The coefficient of kinetic

13. AP Chem

Reaction 1: NaOH + HCL --> H20 + NaCl delta H of -100.332 kj/mol Reaction 2: NaOH + NH4Cl --> NH3 + H20 : delta H of 358.639 kj/mol Reaction 3: HCl + NH3 --> NH4Cl : delta H of -51.701 kj/mol Use your answers from question 2 above and Hess's law to

14. Math000

The height (in meters) of a projectile shot vertically upward from a point 3 m above ground level with an initial velocity of 21.5 m/s is h = 3 + 21.5t − 4.9t2 after t seconds. (Round your answers to two decimal places.) (a) Find the velocity after 2 s

15. English

I have a question its which diagram correctly represents this sentence? Sara, José, and Kenny were studying together for the test. How can I post a link to show you the diagrams?

16. Math889

A particle moves according to a law of motion s = f(t), t ≥ 0, where t is measured in seconds and s in feet. f(t) = te−t/4 (a) Find the velocity at time t (in ft/s). v(t) = (b) What is the velocity after 1 s? (Round your answer to two decimal places.)

17. chemistry

How long does it take light to travel each of the following distances 2462 mi, the distance between Los Angeles and New York. How do we calculate how fast light travels?

18. science

A mold forms when minerals replace all or part of an organism. True false I believe it is true

19. Physics

The space shuttle, with an initial mass M = 2.41×106 kg, is launched from the surface of the earth with an initial net acceleration a = 26.1 m/s^2. The rate of fuel consumption is R = 6.90×103 kg/s. The shuttle reaches outer space with a velocity of vo =

20. Math

Write a paragraph proof of this theorem: In a plane, if two lines are perpendicular to the same line, then they are parallel to each other.

21. physics

A water balloon is launched at a building 24m away with an initial velocity of 18 m/s at an angle of 50° above the horizontal. If the balloon misses or shoots over the building, how far will the balloon land from its launch location?

22. physics

A water balloon is launched at a building 24m away with an initial velocity of 18 m/s at an angle of 50° above the horizontal. At what height will the balloon strike the building?

23. Algebra

Mina's catering service is organizing a formal dinner for 280 people.The hall has two kinds of tables, one that seats 4 people and one that seats 10 people.The hall can contain up to a total of 52 tables.Write and graph a system of inequalities that can be

24. english

3. In "The Destructors," which of the following best describes how Blackie feels about T's new role as gang leader? (1 point) resentful curiosity skeptical obedience unwavering support overwhelming resignation 4. Which of the following quotes from "The

25. Physics

While moving in, a new homeowner is pushing a box across the floor at a constant velocity. The coefficient of kinetic friction between the box and the floor is 0.27. The pushing force is directed downward at an angle θ below the horizontal. When θ is

26. 2 STEP MATH EQUATIONS

eric has a dog walking business. He charges \$13per dog he walks and \$6 for the water he buys for the dogs. If he made \$97 on Monday, write an equation to find the number of dogs he walked on Monday. I got an answer of 7 dogs on Monday. Then, in addition to

27. GEOMETRY

Which shows a true conditional with a correctly identified hypothesis and conclusion? (1 point) If it is raining, then the humidity level is 100% . Hypothesis: The humidity level is 100%. Conclusion: It is raining. I hate humidity, except when it rains.

28. English (Macbeth)

Act 3 What information is the audience given about the following characters: Malcolm Macduff Edward the Confessor Siward i really need help i think the answer for macduff is that he is trying to convince malcolm to help him overthrow Macbeth

29. math

a cell phone company charges \$10 per month, for up to 500 text messages, and \$.15 for each additional text messages. Stanley was charged \$14.50 last month for text messages. Write an equation to find the number of text messages over 500 he sent and

30. Science

a reasonable estimate for the size of a cell's nucleus is a. 0.003 b. 3 mm c. 0.003m d. 3m

31. calculus

Use diferenciales para estimar la cantidad de estaño en una lata cerrada de este metal con diámetro de 8 cm y altura de 12 cm, si el estaño tiene 0.004 cm de grosor.

32. physics

for the uniform T shaped structure with mass 3M moment of inertia about an axis normal to the plane & passing through O would be

33. english

3. In "The Destructors," which of the following best describes how Blackie feels about T's new role as gang leader? (1 point) resentful curiosity skeptical obedience unwavering support overwhelming resignation 4. Which of the following quotes from "The

34. physics

Now the ramp is tilted downwards and the sphere leaves the ramp at 1.5 m/s. The bottom of the ramp is 0.90 m above the floor. Calculate the range of the sphere.

35. Math

The king's ship sank with 8 gold bars aboard. The king paid captain nemo 4/5 of one bar for finding the gold. The captain gave 1/2 of his gold to charity. What fraction of a bar went to charity?

36. math

brenda is planning her birthday party.she wants to have 10.92 liters of punch,6.5 gallons of icecream,3.9 pounds of fudge,and 25 guests at the birthday party

37. chem

Calculate the concentration of IO3– in a 4.73 mM Pb(NO3)2 solution saturated with Pb(IO3)2. The Ksp of Pb(IO3)2 is 2.5 × 10-13. Assume that Pb(IO3)2 is a negligible source of Pb2 compared to Pb(NO3)2.

38. math

Find two positive decimals a and b that make the following statement true. Then find two positive decimals a and b that make the statement false. If a < 1 and b < 1, then a ÷ b < 1.

39. Algebra

Start from 110 feet away, a person on a bicycle rides toward a checkpoint a nd then passes it. The rider is traveling at a constant of 30m feet per second. The distance between the bicycle and the checkpoint is given by the equation d=(110-30t). At what

40. Algebra 1

A jeweler buys gold jewelry and resells the gold to a refinery. The jeweler buys gold for \$1,235.55 per ounce, and then resells it for \$1,376.44 per ounce. How much profit does the jeweler make from buying and reselling 73.5 ounces of gold? Please help

41. Math

Alan is using the equation mg sin A = umg cos A to determine the coefficient of friction, u, between a flat rock and a metal ramp. Find u to the nearest hundredth, if the rock begins to slide at 19º.

42. Quantitative Analysis

The students at Littlewood Regional High School cut an average of 3.3 classes per week. A random sample of 117 seniors averages 3.8 cuts per week, with a standard deviation of 0.53. Are seniors significantly different from the student body as a whole?

43. chemistry

How many moles of magnesium chloride are formed when 55 mL of 0.70 M HCl is added to 42 mL of 1.204 g Mg(OH)2? Mg(OH)2(s) + 2HCl(aq) MgCl2(aq) + 2H2O(l) A. 0.019 mol B. 0.012 mol C. 0.021 mol D. 0.039 mol

44. Math

What is 0.32 written as a fraction in simplest form/ A. 32/100 B. 8/25 C. 100/32 D. 16/25 Is the answer B? Thanks

45. Math

According to the 2010 census data , the population of Texas was about 2.5*10^7 people. The land area of Texas is about 2.6*10^5 m^2. Divide the average number of people per square mile in 2010. A. 0.96*10^2 B. 9.6*10^1 C. 0.96*10^35 D. 9.6*10^12 Is the

46. Physics

You are pulling your little sister on her sled across an icy (frictionless) surface. When you exert a constant horizontal force of 120 N, the sled has an acceleration of 1.7 m/s2 If the sled has a mass of 8.4 kg, what is the mass of your little sister?

47. chemistry

Nitric acid, HNO3, was first prepared 1200 years ago by heating naturally occurring sodium nitrate (called saltpeter) with sulfuric acid to produce sodium bisulfate and collecting the vapors of HNO3 produced. Calculate ΔH°rxn for this reaction.

48. English

1. Why does George try to prevent Lennie from playing with small animals? (1 point) He doesn't want Lennie to have a pet until he proves he can keep out of trouble. He is worried that Slim will be angry if Lennie plays with the puppies. He is embarrassed

49. Chemistry 30

Calculate the delta H for the reaction : 2H3BO3(aq) reacts with B2O3(solid) + 3H2O

50. chemistry

Nitric acid, HNO3, was first prepared 1200 years ago by heating naturally occurring sodium nitrate (called saltpeter) with sulfuric acid to produce sodium bisulfate and collecting the vapors of HNO3 produced. Calculate ΔH°rxn for this reaction.

51. Math

In a circuit, the voltage, V, is given by the formula V = IZ, where I is the current and Z is the impedance. Both the current and impedance are represented by complex numbers. Find the voltage if current is 3 + 2i and impedance is 4 - i.

52. Ed. tech

When viewing a presentation, words on slides may appear to fly in and out or dissolve. What makes text in a presentation do this? A. The addition of text animations B. The addition of slide transitions C. The addition of Action buttons D. The addition of

54. Chemistry

For a tablet containing 500mg vitamin C, Calculate how many mL of 0.095M NaOH are required for titration ( molar mass of ascorbic acid- vitamin c is 1.76.12g/mol) I am not sure of the conversions to use, how to get started with the question.

55. Calc

2) A hot air balloon rising vertically is being tracked by an observer on the ground, located 60 meters from the take-off point. At a certain instant, the balloon is 30 meters above the ground and the angle of elevation (between the ground and the

56. Algebra word problem

A lunch stand makes \$.75 profit on each chef's salad and \$1.20 profit on each Caesar salad. On a typical weekday, it sells between 40 and 60 chef's salads and between 35 and 50 Caesar salads. The total number has never exceeded 100 salads. How many of each

57. Statistics

Find the probability of winning a lottery with the following rule. Select the five winning numbers from 1,2...,23. (in any oder. No repeats) P(winning)= ?

58. Physics - Spring Gun

A toy gun uses a spring to shoot a ball with a mass of 5.0 g. The spring is “loaded” by compressing it 5.0 cm and has a spring constant of 288 N/m. The end of the spring is at the end of the gun (the ball does not travel any distance inside the gun

59. Physics

A balloon, when rubbed against denim, gains a charge of -10ìC. The force between the balloon and the denim when they are separated by a distance of 5 cm is:

60. Probability

Must appoint 5 different members. There are 17 who are qualified. How many different ways can they be appointed?

8. For question 8, identify which sentence below contains an infinitve phrase used as a noun. (1 point) The girls love to swim at Julie’s house. Susan is trying hard to forget. My group was the last to finish. Jane’s goal to win is extreme

62. College Physics

A skier is traveling at a speed of 39.7 m/s when she reaches the base of a frictionless ski hill. This hill makes an angle of 14° with the horizontal. She then coasts up the hill as far as possible. What height (measured vertically above the base of the

63. Finance

National Health Corporation (NHC) has a cumulative preferred stock issue outstanding, which has a stated annual dividend of \$8 per share. The company has been losing money and has not paid preferred dividends for the last five years. There are \$350,000

64. Finance

10. Compute the present value of \$3,000 paid in four years using the following discount rates: 3 percent in year 1, 4 percent in year 2, 5 percent in year 3, and 6 percent in year 4.

65. Art

In the image Reclining Male Figure by Francois Boucher what was value used to create? a.the texture of the clothing and folds of the fabric. b.the illusion of depth in the picture c. the small details of the Facial features d.the impression of what the

66. Finance

A mortgage broker is offering a \$225,000 30-year mortgage with a teaser rate. In the first two years of the mortgage, the borrower makes monthly payments on only a 2.5 percent APR interest rate. After the second year, the mortgage interest rate charged

67. Math

Harold bought two loaves of raisin bread to share with his friends. If there are 12 people total, including Harold, how much bread does each person have? A. 0.06 B. 0.16 THE 6 keeps going on C. 0.25 D. 0.3 And the 3 keeps going on Is the answer C?

68. Math

A right pyramid has a surface area of 258 cm2. A right cone has a base radius of 4 cm. The cone and pyramid have equal surface areas. What is the height of the cone to the nearest tenth of a centimetre?

69. Ed. tech HELP!!!

Adding transitions to slides in a presentation A. Offers effects when moving from one slide to the next. B. Adds animation to selected text and images. C. Adds a new slide to a presentation in Microsoft Powerpoint. D. Creates sound effects connected to an

70. Finance

Say that you purchase a house for \$150,000 by getting a mortgage for \$135,000 and paying a \$15,000 down payment. Assume you get a 15-year mortgage with a 6 percent interest rate. If the house appreciates at a 2 percent rate per year, what will be the value

71. Chemistry

Molecular, ionic, and net ionic equations for ammonium chloride + potassium sulfate. Also what is the observation. Is it 2NH2Cl + Na2SO4 = (NH4)2SO4 + 2NaCl???? Please help!

72. accounting

Comparative Statements of Retained Earnings for Renn-Dever Corporation were reported as follows for the fiscal years ending December 31, 2011, 2012, and 2013.

73. Math

If there is 1/2 if a pizza and Jonas wants only 1/3 of it, how much of the pizza will he eat? A. 1/5 B. 2/5 C. 1/6 D. 2/6 Is the answer B? Thanks

74. Math

How many 1/6 pound hamburgers can be made from 1/2 pound of hamburger meat?

75. math

Prove that:(3-4sin^2A) (1-3tan^2A)=(3-tan^2A)(4cos^2A-3)

76. Kennedy King finance

9. Compute the present value of \$4,000 paid in five years using the following discount rates: 10 percent in year 1, 2 percent in year 2, 12 percent in year 3, and 9 percent in years 4 and 5.

77. chemistry pH

A 25 mL sample of 0.29 M LiOH analyte was titrated with 0.75 M HI at 25 degree Celsius. 1)Calculate the initial pH before any titrant was added. 2) Then calculate the pH of the solution after 5 mL of titrant was added.

78. College Chemistry lab

How do I Calculate the concentration of iron(lll) with absorbance measurement. Wavelength is 480nm, solution is 1 ml FeCl3 : 9ml HCl, absorption is .250A, concentration of stock FeCl3 solution is 0.00050M and stock HCl solution is 2.0M. I not sure how to

79. math physics

A meteorite is a solid composed of stone and/or metal material from outer space that passes through the atmosphere and hits the earth’s surface. Find the kinetic energy of a meteorite with mass 250 kg that hits the earth at 25 km/s. Given: m=250kg

80. Math

Rewrite the expression 2sinθ(cosθ)(cotθ) in terms of sine or cosine.

81. math

compare and contrast: below are two equations. solve each equation and compare the two solutions. choose the statement that is true about each solution. equation #1 2x-3=-17 5x+3=12 A. equation #1 and equation #2 have the same number of solutions B.

82. chemistry/math

5.0 moles of solid sodium chloride (NaCl) are used to prepare a 5.0 M NaCl solution. What is the volume of the solution?

83. Art Again

The Bridge at Argenteuil By Claude Monet How did the artist create interesting textures in this image? by experimenting with various brushstrokes (My Choice) by using only one color by concentrating on negative space by using no value changes This class is

84. Math123

Question Part Points Submissions Used A stone is dropped into a lake, creating a circular ripple that travels outward at a speed of 40 cm/s. Find the rate at which the area within the circle is increasing after each of the following. (a) after 2 s cm2/s

85. physics

A person walks 27m east and then walks 31m at an angle 38° north of east. What is the magnitude of the total displacement. Answer in units of m

86. physics

A car travels 15.5 km due north and then 38.6 km in a direction φ = 74.3 ◦ west of north.Find the magnitude of the car’s resultant displacement. Answer in units of km

87. chemistry

A carbonate ion, CO32−, can participate in an acid-base reaction. How should the carbonate ion be classified?

88. Math

A simplified version of the expression 2sinθ (cos θ)(cotθ) is

Molly Ellen, bookkeeper for Keystone Company, forgot to send in the payroll taxes due on April 15. She sent in the payment on November 8, The IRS sent her a penalty charge of 6.00% simple interest on the unpaid taxes of \$1000. Calculate the penalty.

90. Statistics

A researcher measures the following scores for a group of people. The X variable is the number of errors on a math test, and the Y variable is the person’s level of satisfaction with his/her performance. (a) With such ratio scores, what should the

91. physics

a ball is thrown straight up with a speed of 8.0 m/s from a third-floor window located 13.0 m above ground. Calculate the maximum height, measured from the ground, of the ball; calculate the ball's velocity when it reaches the ground, and calculate the

92. math

there are 40 students at Bali high who plays stringed instruments. of these, 1/4 play viola, 1/5 play cello, and the rest play violin. how many students play violin?

93. Algebra 1

To find the weight of the gold in a 22 karat gold object, multiply the objects weight by 0.917. To find the weight of the gold in an 18 karat gold object, multiply the objects weight by 0.583. A 22 karat gold statue and a 14 karat gold statue both weigh

94. physics

A particle undergoes two displacements. The first has a magnitude of 135cm and makes an angle of 114° with the positive x axis. The resultant displacement had a magnitude of 183cm and is directed at an angle of 21.8° to the positive x axis. Find the

95. english

3. In "The Destructors," which of the following best describes how Blackie feels about T's new role as gang leader? (1 point) resentful curiosity skeptical obedience unwavering support overwhelming resignation

96. Science Physics

The Hoover Dam is 726 ft high. Find the potential energy of 1.00 million ft3 of water at the top of the dam.(1 ft3 of water weighs 62.4 lb.)

97. Math

2)Jenny wants to buy a new car, and she has narrowed her choices to two models. Model A sells for \$12,500, gets 25mi/gal, and costs \$300 a year for insurance Model B sells for \$16,100, gets 36 mi/gal, and costs \$400 a year for insurance. Jenny drives about

98. College Physics

Two crates are connected by a massless rope that passes over a pulley. If the crates have mass 33 kg and 82 kg, find their acceleration. If the system begins at rest, with the more massive crate a distance 12 m above the floor, how long does it take for

99. chemistry

You have prepared 20.00 mL of a buffer, using 4.00 mL 0.010 M HA (weak acid) and 3.00 mL 0.010 M NaA (provides A-, the conjugate base of HA). pKa for HA is 6.25. How many moles of HA will be present in the mixture after addition of 0.20 mL 0.010 M NaOH?

100. Math. Word problem

Strawberries are on sale for \$2.30 per pound. Noah bought a bag of strawberries for \$8.05. How many pounds of strawberries did Noah buy?

101. Physics

High-speed stroboscopic photographs show that the head of a golf club of mass 231g is traveling at 59.0m/s just before it strikes a 47.1g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 44.3m/s. Calculate

102. math

a telephone pole is supported by two cables attached to points on the pole 15 ft above ground and to points on the level ground 8 ft from the foot of the pole. what is the total length of the two cables

103. Art

In the picture called Sketchbook page with Figures by Claude-Joseph Vernet. In these figure drawings, the human body is how many heads high? a.6 b.4 c.8 d.9 Is the answer C?

104. Math

luc has 1 h of homework to do. He has assignments to complete for social studies and math, and a science test. he sepends 2/5 of the time completing the social studies assignment, and 1/3 of the time on math. How much time does Luc have left to study for

105. Finance

3. What is the value in year 20 of a \$1,000 cash flow made in year 8 if interest rates are 15 percent in years 6 through 13 and increase to 18 percent in the remaining years?

106. Physics

Spiderman is standing on the edge of a rooftop 100m above a swimming pool. He decides to jump in to cool off, so he springs out at a velocity of 30 m/s at an angle of 35 degrees above the horizontal. The near edge pool is located 127 m from the base of the

107. Chem

what mass of NaCl is contained in 24.88g of a 15% by mass solution of NaCl in water?

108. Kennedy king finance

10. Compute the present value of \$3,000 paid in four years using the following discount rates: 3 percent in year 1, 4 percent in year 2, 5 percent in year 3, and 6 percent in year 4.

109. English

What is the allusion in this passage? Sunshine on the snow glittered so fiercely that, even though she wore sunglasses, Monica was forced to squint. The fresh snowfall of the night before was just enough to brighten the dull, dirty, diamond-hard snowbanks

asked by Emily needs help with English Homework
110. chemistry

Are the characteristics or properties of the elements making up a compound different from the characteristics or properties of the compound? For example, are the properties of oxygen and hydrogen different from the properties of water? Explain.

111. math physics

A meteorite is a solid composed of stone and/or metal material from outer space that passes through the atmosphere and hits the earth’s surface. Find the kinetic energy of a meteorite with mass 250 kg that hits the earth at 25 km/s. Given: m=250kg

112. Chemistry

Cambridge uses FA 1, FA 2 etc to name chemicals or solutions. What does FA stand for?

113. Algebra

Write and solve an equation to find the number of miles you must drive to have the same cost of the car rentals. \$15 plus \$0.50 per mile \$25 plus \$.25 per mile

114. Ed Tech

Adding to slides in a presentation a. offers effects when moving from one slide to the next. b.adds animation to selected text and images. c.adds a new slide to a presentation in Microsoft Powerpoint d.creates sound effects connected to an image. Is the

115. Kennedy king finance

8. You invested \$2,000 in the stock market one year ago. Today, the investment is valued at \$9,500. What return did you earn? What return would you need to suffer next year for your investment to be valued at the original \$2,000?

116. 854 physics

A 1.06 kg ball is attached to a ceiling by a 1.25 m long string. The height of the room is 5.82 m The acceleration of gravity is 9.8 m/s 2 . What is the gravitational potential energy associated with the ball relative to the ceiling? Answer in units of J

117. chem

if the precipitation of BaSO4 is incomplete due to improper heating and time what will happen to the percent error of sulfate?

118. Math

Which is irrational? A. 0.117117117... B. 0.8596873205... C. 0.812812812812... D. 0.605605605... Is the answer B?

119. Math

Radiation from the Sunkeeps us all alive, but with the thinning of the ozone layer, it is important to limitexposure. The intensity of radiation is inverselyproportional to the square of the distance thatthe Sun’s rays travel.The formula I=k/d^2 models

120. Finance

Your client has been given a trust fund valued at \$1 million. She cannot access the money until she turns 68 years old, which is in 12 years. At that time, she can withdraw \$30,000 per month. If the trust fund is invested at a 7 percent interest rate, how

121. physics

A 92.7 N grocery cart is pushed 13.7 m along an aisle by a shopper who exerts a constant horizontal force of 33.4 N. The acceleration of gravity is 9.81 m/s 2 . If all frictional forces are neglected and the cart starts from rest, what is the grocery

122. statistics

Answer the following. Show your work to get credit. Exam scores are normally distributed with a mean of 81 and a standard deviation of 9. a) What is the minimum score one must have to be in the top 4% of the students taking the exam? b) What percentage of

123. Math Statistics

Answer the following. Show your work to get credit. Exam scores are normally distributed with a mean of 81 and a standard deviation of 9. a) What is the minimum score one must have to be in the top 4% of the students taking the exam? b) What percentage of

124. English

1. He has a severe illness. 2. He has a serious illness. 3. He is severe. 4. He is serious. (Are both the same and interchangable?)

125. math

write a real word problem and equation using t eaqul 5

126. Math

Starting with the formula mg sin A = umg cos A, you can derive tan A = u to find the angle A of an incline and the coefficient of friction u of objects on the incline.

Adoration of the Shepards by Nicolaes Maes How has the artist used value in this painting? The background is lighter than the foreground to draw the viewers eye The artist did not use value in this painting The subject is lighter than the background to

128. Math

It takes 11 cups of flour to make 3 loaves is bread. What is the ratio of cups of flour to loaves of bread? Write the ratio 3 ways: Word form: Colon form: Fraction form:

129. Finance

Due to poor spending habits, Bryant has accumulated \$5,000 in credit card debt. He has missed several payments and now the annual interest rate on the card is 16.75 percent! If he pays \$200 per month on the card, in total, how much interest expense does

130. physics

a cat chases a mouse across a 0.55 m high table. The mouse steps out of the way, and the cat slides off the table and strikes the floor 2.7 m from the edge of the table. The acceleration of gravity is 9.81 m/s. what was the cats speed when it slid off the

131. Math

If the product of 4 consecutive integers is equal to one of the integers, what is the largest possible value of one of the integers? The answer is 3, but I do not understand how it is 3. I tried writing out 4 consecutive #'s such as 1,2,3,4 or 0,1,2,3. 0 x

132. physic

Two boxes are connected by by a massless string over a massless, frictionless pulley. Box 1 has a mass of m1 = 15.0 kg and is initially at rest at the bottom of a frictionless surface inclined at an angle θ = 30.0◦ above the horizontal. Box 2 has a mass

133. math

a rectangular vegetable bed 10m long and 6m wide is edged on four sides with 2m wide border. find the area of the border

134. Spanish Help

Hola! Can you check my work and tell me if it's all right? State whether the command is formal ("Ud.") or informal ("tú"). 1. Come la sopa. Formal. 2. Hable más despacio. Informal. 3. No compres más ropa. Informal. 4. Beba m�s agua. Formal. 5. No

135. chemistry

A mixture containing 2.81 g each of CH4 (g), C2H4 (g) and C4H10 (g) is contained in a 1.50 L flask at a temperature of 35 oC. What is the partial pressure (in atm) of C4H10 (g)?

136. inequalities

Determine when the function f(x)=3x^3+4x^2-59x-13 is less than 7

137. Finance

11. Loan Payments You wish to buy a \$30,000 car. The dealer offers you a 4-year loan with a 6 percent APR. What are the monthly payments? How would the payment differ if you paid interest only? What would the consequences of such a decision be?

138. Poofs

Let {X_n} be a sequence of real numbers that is bounded above by M and such that X_n-->x Prove that x0 then there exist N>=1 s.t. n>=N. then |x_n - x|

139. SS

Are deciduous and coniferous forests landforms?

140. Kennedy king finance

8. You invested \$2,000 in the stock market one year ago. Today, the investment is valued at \$9,500. What return did you earn? What return would you need to suffer next year for your investment to be valued at the original \$2,000?

141. College Physics

There are two forces acting on an object. One force has a magnitude of 35 N and is directed along the +x axis. The other force has a magnitude of 20 N and is directed along the +y axis. What is the direction of the acceleration of the object? Express your

142. Math

3) While traveling for vacation, you have decided to divide your lodging between a resort, and a regular stay hotel. Let x represent the number of nights you will spend in a resort, and let y represent the number of nights you will spend in a regular stay

143. English

What is the correct way to make this sentence parallel?l According to some economists, neither high unemployment nor large deficits will keep the economy from rebounding.

asked by Emily needs help with English Homework
144. Physics

A particle of mass =6.50 kg moves with a velocity v1=x1i+y1j+z1k. A second particle of mass =3.50 kg moves with a velocity v2=x2i+y2j+z2k. And a third particle of mass =6.30 kg moves with a velocity v3=x3i+y3j+z3k. Here, (x1,y1,z1)=(-2.5,5.4,1.2),

145. pre cal

How fast is the tire traveling in mph if it does 2 rotations in 2 seconds with a diameter of 27 inches for the tire?

146. Finance

6. You are scheduled to pay a \$350 cash flow in one year, and receive a \$1,000 cash flow in years 3 and 4. If interest rates are 10 percent per year, what is the combined present value of these cash flows?

147. Finance

12. Your current \$155,000 mortgage calls for monthly payments over 25 years at an annual rate interest rate of 6 percent. If you pay an additional \$50 each month beginning with the first payment, how much interest expense do you save by pre-paying?

148. physics

Consider three force vectors F1 with magnitude 42N and direction 140°, F2 with magnitude 27N and direction -110°, and F3 with magnitude 19N and direction 120°. All direction angles 0 (0 with a line inside) are measured from the positive x axis:

149. us history

The Northwest Territory included all or part of the following states except A. Indiana B. Illinois C. Kentucky D. Michigan E. Minnesota F. Missouri G. Ohio H. Wisconsin all expect missouri and kentucky right?

150. Pre-calculus

You are given a pair of equations, one representing a supply curve and the other representing a demand curve, where p is the unit price for x items. 80 p + x - 380 = 0 and 84 p - x - 40 = 0 Identify which is the supply curve and demand curve and the

151. Math

Write a real-world context for the following ratio: Five to three

152. Earth science

Can you please correct me if I am wrong or let me know what you think Thanks Y-A 1. Trees keep water in a watershed from accumulating silt before it empties into river. (i got true) 2. Permeable means capable of absorbing water. (i got false) 3. Old rivers

153. Science/chemisty

Explain in detail how to prepare 250. mL of a 0.125 M glucose solution. The formula for glucose is C6H12O6.

154. program planning

Children who attend a program that has some theoretical basis for planning have A. more positive experiences than those who attend a program with no theory to guide the practices of staff. B. less positive experiences than those who attend a program with

155. physic

A long jumper leaves the ground at an angle of 22.7◦ to the horizontal and at a speed of 9.47 m/s. How far does he jump? The acceleration due to gravity is 9.8 m/s2 . Answer in units of m

156. English

1. Ever since he was a baby, he suffered from a serious illness. 2. Ever since he was a baby, he has suffered from a serious illness. ----------------- Which one is grammatical? Are both OK? Which one is commonly used? In #1, the present tense is used and

157. chemistry

what is the final M solution prepared by diluting 5.0 mL of 6.0 M HCl to 60.0 mL

158. physics

Find the final speed of the train assuming no friction. Answer in units of m/s

159. Science

Analyze several adaptations that would help organisms survive in the intertidal zone.

160. Algebra

A boat was purchased for \$45,000. Assuming the boat depreciates at a rate of \$4700 per year (straight-line depreciation) for the first 8 years, write the value v of the boat as a function of the time t (measured in years) for 0 ¡Ü t ¡Ü 8. v(t) =

161. chemistry

What mass (in gram of air) is filled in a hot balloon when it is finflated (at 95oC) to a volume of 500 L at 1.15 atm? (The average molar mass of air is 29 g/mol)

162. math

Need help on this problem. The mass of a proton is about 1.7 x 10^-24g. The mass of a neutron is about the same as a proton. The nucleus of an atom of carbon has 6 protons and 6 neutrons. The mass of the nucleus is about 2 x 10^-26 units. what is the best

163. math physics

A meteorite is a solid composed of stone and/or metal material from outer space that passes through the atmosphere and hits the earth’s surface. Find the kinetic energy of a meteorite with mass 250 kg that hits the earth at 25 km/s. Given: m=250kg

164. Physics

A square loop of wire of side 3.0 cm carries 3.0 A of current. A uniform magnetic field of magnitude 0.67 T makes an angle of 37degree with the plane of the loop. What is the magnitude of the torque on the loop? What is the net magnetic force on the loop?

165. us history

Despite the outcome of the American Revolution, Britain still held a fort on American soil at A. New York B. Philadelphia C. Juneau D. Saint Augustine E. Santa Fe F. Seattle G. Detroit I'm not sure between Philadelphia or New York because I think that the

166. Differential Equations

Consider the system shown below of two masses of mass m, coupled together between two fixed walls via springs with varying spring constants. Let x(t) and y(t) be the horizontal displacements of the two masses as a function of time. (a)Write down a system

167. Math

1/3 divided by 2

168. Intro to Programming PT1420

What will the following pseudo code program display? Module main ( ) Declare Integer x = 1 Declare Real y = 3.4 Display x, “ “, y Call changeUs (x, y) Display x, “ “, y End Module Module changeUs ( Interger a, Real b) Set a = 0 Set b = 0.0 Display

169. Science

In the nitrogen cycle, rabbits eat plants. Nitrogen is found in the rabbit in the form or proteins or bacteria?

170. Math

Find the Synthetic Division: (10x^4-50x^3-800)/(x-6)

171. program planning

An appropriate sensory-motor activity for a child up to eight months of age is A. touching toys of different shapes, sizes, and textures. B. playing with puzzles with a few large pieces. C. drawing with crayons or markers. D. stringing large beads on a

172. physics

A space probe is to be put into a circular orbit of radius 42.00 km about an asteroid. At this radius the magnitude of the gravitational acceleration, normally referred to as the "gravitational field", is 1.00×10-3 meters per second squared. What speed,

173. physics

In the 1950’s, an experimental train that had a mass of 16200 kg was powered across a level track by a jet engine that produced a thrust of 5.02 × 105 N for a distance of 565 m. Find the work done on the train. Answer in units of J

174. Math

Every item in the Just a Dollar store is priced at \$1.00. When Mary Jo opens the store, there is \$122.00 in the cash register. When she counts the money in the cash register at the end of the day, the total is \$1,065.95. If the sales tax rate is 8.5%, how

175. physic

A box with a mass of m = 7.50 kg is set on top of a spring with a spring constant of k = 500 N/m. The box is pushed down 30.0 cm and released. (a) What is the maximum height the box reaches after being launched by the spring? (b) What is the instantaneous

176. English

1. When he was ten years old, Mattie's illness got worse. 2. At the age of ten years old, Mattie's illness got worse. 3. Aged ten years old, Mattie's illness got worse. (Are the three sentences the same and grammatical?) 4. When he was ten, Mattie's

177. u.s. history

How did the rise of labour unions shape relations among workers, big business, and government?

178. Math

Micheal gave 1/12 of his money to Sally and 1/5 of his remaining money to Heidi. If he still had \$704, how much money did he have originally? The answer is \$960 I was told to take the fraction of what was left and multiply it by what Heidi took: 1/12 +

179. physics

With friction turned on, set the initial velocity of the box to 1.75 m/s, the coefficient of friction to 0.60, and the mass to 1.5 kg. Assume the acceleration due to gravity has a magnitude of 9.8 m/s2.

180. Math

For each object, its surface area, and some dimensions are given. Calculate the dimension indicated by the variable to the nearest tenth of a unit. a) right cone SA=7012mm^2 GIVEN=diameter of 48mm b) right square pyramid SA=65.5m^2 GIVEN=length of 3.5m

181. Kennedy King

7. You are scheduled to receive a \$750 cash flow in one year, a \$1,000 cash flow in two years, and pay a \$300 payment in four years. If interest rates are 6 percent per year, what is the combined present value of these cash flows?

182. MATH 101

Factor: 15x2(2x + 3) + 41x(2x + 3) + 28(2x + 3)

183. College Physics

A hockey puck is sliding down an inclined plane with angle θ = 12.4° as shown in the figure below. If the puck is moving with a constant speed, what is the coefficient of kinetic friction between the puck and the plane?

184. Chemistry 101

A solution containing 83.100 g of sodium hydroxide [molar mass = 40.0 g/mol] was neutralised using phosphoric acid. Calculate the moles of sodium phosphate formed (assuming that the reaction goes to completion). Give your answer to three significant

185. Physics

Two acrobats, each of 50.0 kg, launch themselves together from a swing, holding hands. Their velocity at launch was 6.80 m/s and the angle of their initial velocity relative to the horizontal was 36.0 degrees upwards. At the top of their trajectory, their

186. Math

Divide. Write the answer in simplest form. 8 1/6 divided by 2 1/24. I got 4 5/6 is this right? If so what's the simplest form.

187. Science Physics

A 250 kg part falls from a plane and hits the ground at 150 km/h. Find its kinetic energy. Would I need to convert 150km/h to m/s? then multiply with the mass?

188. Algebra 2

Solve each equation. 1. (|3x -4|)/(-5) = 6 A: no solution 2. (|2x -5|) = x + 3 A: x = 8 or x = 2/3 Solve each inequality. 3. |5x + 15| > 20 A: x > 1 and x < -7 4. [(|x - 2|)/ (4) greater than or equal to 5 A: -18 < x < 22 5. (-3) x (|5x - 8|)- 5 greater

189. Math

One nanometer is about 0.00000003937 of an inch. What is this number in scientific notation? A. 3.937*10^-8 B. 3.937*10^8 C. 39.37*10^-7 D. 39.37*10^7 Is the answer A? Thanks

190. physics

the intensity level of a sound A is5dB greater than that of sound B and 3dB less than that of C. determine the ratio (Ic/Ib) of the intensity of sound C to that of sound B.

191. Math

6 hundred 2 tens = 5 hundreds ? Tens

192. math

the normal work load of the members of an operation, maintenance and repair group is forty hours per week. it employs 75 persons. and each is scheduled for two weeks vacation per year. what is the total amount of time worked by this group in a year?

193. Math

1) An aerobics class is being offered at the ABC body gym. Nonmembers pay \$4 per class while member pay a monthly fee of \$10 plus \$2 per class. a. Create a linear system to represent the two options. b. At how many classes will the cost be the same? What

194. College Physics 1401

The Space Shuttle travels at a speed of about 7.60 103 m/s. The blink of an astronaut's eye lasts about 100 ms. How many football fields (length = 91.4 m) does the Shuttle cover in the blink of an eye?

195. Finance kennedy king

4. A firm's net income last year was \$1.5 million. Its net income grew 5 percent during the last 5 years. If that growth rate continues, how long will it take for the firm's net income to double?

196. Buisness finance

4. A firm's net income last year was \$1.5 million. Its net income grew 5 percent during the last 5 years. If that growth rate continues, how long will it take for the firm's net income to double?

197. Math

Find the Synthetic Division: (10x^4-50x^3-800)/(x-6)

198. SS

Can a glacier and desert be contrasting landforms?

199. Finance

Anna has been saving \$450 in her retirement account each month for the last 20 years and plans to continue contributing \$450 each month for the next 20 years. Her account has been earning a 9 percent annual interest rate and she expects to earn the same

200. Finance

Anna has been saving \$450 in her retirement account each month for the last 20 years and plans to continue contributing \$450 each month for the next 20 years. Her account has been earning a 9 percent annual interest rate and she expects to earn the same

201. Finance

As a college student, you probably receive many credit card offers in the mail. Consider these two offers. The first card charges a 17 percent APR. An examination of the footnotes reveals that this card compounds monthly. The second credit card charges

202. Statistics

4 people are chosen at random from a group of 15 people. What are the odds that all 4 people chosen were the oldest people in the group?

203. Math

merideths heart beats 63 times in 45 seconds how many times will her heart beat in one hour 5040 timwa

204. Math

Which is always a correct conclusion about the quantities in the function y=x+4 A. THe variable x is always 4 more than y B. When the value of x is negative the value of y is also negative C.The variable y is always greater than x D.As the value of x

205. Finance

Anna has been saving \$450 in her retirement account each month for the last 20 years and plans to continue contributing \$450 each month for the next 20 years. Her account has been earning a 9 percent annual interest rate and she expects to earn the same

206. Finance

19. Given a 10 percent interest rate, compute the year 9 future value if deposits of \$10,000 and \$20,000 are made in years 1 and 5 respectively, and a withdrawal of \$5,000 is made in year 7.

207. English 1

Sorry, put one more sentence Name verb and subject for the sentence "Compaies usually love these qualities." Is the subject companies and verb is usually? and for this sentence "He would be a model employee" Would he be the verb and be the verb?

208. math

7x4-4 devided 2=26

209. Math

The equation -4x+y=0 relates to the number of pages in a photo album y to the number of picture sin the album x. Tell whether the relationship is a direct variation.Explain

210. Chemistry

How many moles of solid Mg(OH)2 should you add to 200mL of 0.15M lactic acid solution to produce pH 4.0 buffer?

211. Algebra 2

4a+2b+c=10 100a+10b+c=12 16a+4b+c=12 I need help to solve this problem. I keeping getting A=1.70 B=2.0 and C=5. My book says that is wrong, could you show me how to get the correct answer?

212. pre-calculus

The Hotel Florence has 550 rooms. Currently the hotel is filled . The daily rental is \$ 700 per room. For every \$ 14 increase in rent the demand for rooms decreases by 7 rooms. Let x = the number of \$ 14 increases that can be made. What should x be so as

213. geometry

if lineBC biscects angle ABD and angle ABC=5x+11 angle CBD=10x-4 then find x =

214. program planning

Learning to make candy from a recipe would relate most directly to which two of the 13 activity areas? A. Math and science B. Social studies and science C. Cooking and math D. Social studies and cooking

Two cards are selected, without replacing the first card, from a standard deck. Find the probability of selecting an ace (A), and then selecting a 4 (B): (choose 2) 0.603% 0.592 0.592% They are dependent events. 0.00592

216. Algebra

please help me im confused. Every item in the Just a Dollar store is priced at \$1.00. When Mary Jo opens the store, there is \$122.00 in the cash register. When she counts the money in the cash register at the end of the day, the total is \$1,065.95. If the

217. physics

distance a cannonball travels when shot horizontally with a velocity of 28.3 at 30 degrees? I'm not sure what formula I need to use. Please help.

218. math

whats is 0.5l/s=gal/h

219. College Math

5) A landscaper wants to make a small planter and surround it with edging material for a client. She is deciding between two designs. Design 1: A square planter Design 2: A circular planter Edging material costs \$4 per ft. for the straight variety which

220. Algebra

Find the values of a in the domain of f for which f(a)equals the given number. (If there is no solution, enter NO SOLUTION.) f(x) = x2 − 4x − 19; f(a) = 13 a = ____ (smaller value) a = ____ (larger value)

221. Stats

In designing an experiment involving a treatments applied to 5 test subjects, researchers plan to use a simple random sample of 5 subjects from 28. How many different simple random samples are possible?

222. Chemistry

How many moles of solid Mg(OH)2 should you add to 200mL of 0.15M lactic acid solution to produce pH 4.0 buffer?

223. math

You are given a pair of equations, one representing a supply curve and the other representing a demand curve, where p is the unit price for x items. 80 p + x - 380 = 0 and 84 p - x - 40 = 0 a. Identify which is the supply curve and demand curve and the

224. English

Posted by rfvv on Friday, October 3, 2014 at 5:06am. What winter sport do you like most? 1. I lke curling because it's fun to see players hit big stones. 2. I like bobsledding because it's thrilling to ride a bobsled. 3. I like speed skating because I like

Please help! Which statement is false? A. The number zero is a rational number. B. Some irrational numbers are also rational numbers. C. Every irrational number is a real number. D. Every integer is a rational number. I thinks its D. Please help!

226. math

t has been discovered in a certain state that the relationship between the number of snow shovels demanded varies linearly with its price. When the price per item was \$ 38 ,2200 items were demanded; When the price was \$ 49 , 2125 items were demanded.

227. Physic

A 1/2 inch diameter piston moves 10 inches when 30 Lbs of force is applied how far will it move a 6 inch diamter piston and how much weight will this piston lift.

228. maths.literacy

what will be the area of the base of one tank in cm,if the diameter is 260cm?

229. Math Proof

Let {X_n} be a sequence of real numbers that is bounded above by M and such that X_n-->x Prove that x

230. Physics

a singly charged ion of uknown mass moves in a circle of radius 12.5 cm in a magnetic field of 1.7 t. the ion was accelerated through qa potential difference of 5.7 kv before it entered the magnetic field. what is the mass of the ion

231. English 1

In the sentences name the subject and the verb. 1) He applied for one on Tuesday. 2) The position is with a real estate company. 3) The company has an excellent reputation. 4) It pays its employees well and offers great benefits.

232. statistics

Employees at Evergreen Manufacturing company have annual salaries ranging from a low \$12,500 to a high of 92,000. Assuming that you want to construct a frequency table with eight classes, find the upper and lower limits of the first class. How do I work

233. SS

Can an island and a lake be contrasting landforms?

234. Physics graphing

Im making a graph of magnetic force vs current, after investigating the magnetic force exerted on a current-carrying wire, and how it varies with current, length, magnetic field and angle. How do I know when to use the point (0,0) on the graph?

235. physics

A frictionless massless pulley has 7 kg tied to a cable on the left side and an unknown mass (M) on the right. The unknown mass accelerates downward at 6.6 m/s2 What is the accelerationof the system/tension of the rope

236. SS

Can a prairie be considered a landform?

237. SS

Can cities be considered landforms?

238. english

i need help, i need someone to critique my work. work will be send through email. thanks

239. Math

If point A is located at (9, -2), which of the following points would be located 9 units away from point A? A. (9,-7) B. (1,-2) C. (9,-11) D. (9,-9) I believe this would be C (9,-11) would I be right? Thanks for the help.

240. us history

True or False The first US president brought a tone of informality and simplicity to the office. this is false right?

241. math

average cost for traning is \$200 per hour per person 60 person is employs and scheduled for 25hours per year. how much would it cost

242. Linear Algebra

Find the eigenvalues and corresponding eigenvectors of the matrix: 0 0 1 M = 1 0 0 0 1 0

243. Math

3^-2/n and 7ab^-2/3w .

244. Finance

Present Value of an Annuity Sandra and Regina earn the same salary. However, Regina has been far more financially responsible. She pays her bills on time and pays off her credit card debt quickly. Sandra had been less financially responsible. She often

245. Math

What is the direct variation function? Is it y/x=k?

246. Differential Equations

(a) Let S be the set of solutions y(t) to the differential equation dy/dt = -y for t> 0. With addition and scalar multiplication of elements defined in the usual way, is S a vector space? (b)Let T be the set of solution y(t) to the differential equation

247. Math

-2 divided by one half -4?

248. English 1

What is the verb and subject in this sentence> "His experience with computers and copy machines will be valuable in an office." For the subject I got his but I can't figure out the verb!

249. Math

6 divided by -3/4

250. Math

If Mia receives \$72.20 for \$1,805.00 in sales, how much must her sales be in order to receive \$150 in commission

251. Algebra 2

How am I supposed to graph g(x) = |x|/2 - 3/4?

252. SS

Is it appropriate to use cities being below and above sea level as landforms? I know cities are not landforms, but sea level is a natural feature, which is why I ask.

253. Chi-Test explaination

Can someone explain how to conduct a Chi-test in depth?

254. SS

What is an example of a deciduous forest in the US?

255. Algebra help

Given f(x) = 5x 1. What is f(2)? is it 9?

256. Algebra 2 (Please, help me!)

For a livestock competition, the weight classes for hogs are shown in this table. Classes: Light: 200-230 (weight range in lbs.) Heavy: 230-250 (weight range in lbs.) a. What is the center of each weight class? A: Center of Light class: 215 pounds (lb.)

257. Math

In a polynomial like 5x^5 + 4x^2 + 2, is 2 counted as a term?

258. finance

If interest rates increase after a bond issue, what will happen to the bond’s price and yield-to-maturity

259. Math

Where should the decimal be placed in the product of the following problem? (1.632) (0.81)=132192

260. math

The function y_p(t) =ln(4 + 2 t), t > -4/2, is a particular solution to the differential equation y''+8y=g(t). Find g(t).

261. physics

Suppose a roller-coaster car starts at a height of 39 m with a speed of 2.51 m/s. What will its speed be at height = 0m if the average force of friction is equal to 0.22 times its weight? The total distance traveled is 53m.

262. math

Each time Lucy uses her credit card she earns points from the credit card company. For every 100 dollars she spends she earns 50 points. Choose the equation that accurately represents the relationship between the two variables: m = amount of money spent,

263. program planning

Parents' feelings of guilt and anxiety about placing a child in a day care program can be relieved by A. the self-evaluation process. B. the personal interview. C. filling out enrollment forms. D. receiving a deferred enrollment.

264. Next Big Trend?

what are two trends that can be expected to see in American stores next year?

265. Math

An urn contains 3 red, 4 orange, and 6 yellow marbles. 2 marbles are selected without replacement. Find the probability that the second marble selected is orange given that the first marble selected is yellow.

266. English

1. Mattie's first wish came true in 2001. 2. Mattie's first wish was realized in 2001. (Are both the same?) 3. His first poetry book, Heartsongs, came out and became a best-seller. 4. His first poetry book, Heartsongs, was published and became a

267. math

total salary is \$6650000 per year total gross area it service is 3.5*10000000 squar feet the unit cost, in dollars per square foot,for this group is

Solve each equation. 1. (|3x -4|)/(-5) = 6 A: no solution 2. (|2x -5|) = x + 3 A: x = 8 or x = 2/3 Solve each inequality. 3. |5x + 15| > 20 A: x > 1 and x < -7 4. [(|x - 2|)/ (4) greater than or equal to 5 A: -18 < x < 22 5. (-3) x (|5x - 8|)- 5 greater

269. math

equivalent expression -3(x-7)

270. MATH 101

Factor completely. Be sure to factor out the greatest common factor first if it is other than 1. (If the polynomial is prime, enter PRIME.) 56a^2+39ab-27b^2

271. Kennedy-king

6. You are scheduled to pay a \$350 cash flow in one year, and receive a \$1,000 cash flow in years 3 and 4. If interest rates are 10 percent per year, what is the combined present value of these cash flows?

272. Math

What percent o the student population are girls? Please show work!

273. MATH 101

Factor: 1200+1640t+280t^2

274. physics

A block is pushed against the spring with spring constant 11 kN/m

275. chemistry/toxicology/instrumental analysis

A standard curve was produced using absorbance values of prepared standards obtained by UV spectrophotometry. The standards were made using concentrated hydrochloric acid as opposed to the 1N HCl that the lab manual says should be used. Because of this my

276. English

you should pay your taxes regularly (rewrite the sentence. using 'have got to'

277. Calc: Related Rates

Jack and Jill are out walking around in a field. At noon, Jack is located 800 feet west of Jill. Jack walks east at the rate of 5 feet/sec. while Jill walks north at 4 feet/sec. How fast is the distance between them changing at 12:02 p.m.?

278. vp manthata secondary school

A cylinder has a volume of 42 cm2 and a height of 5 cm calculate the radius of this cylinder

279. math

1/2X+3=9 solve for x. I'm confused

280. English

I like the word hopeful. ------------------------- How do you pronounce 'hopeful'? Do you delete 'p' when you say 'hopeful.?

281. English

A champion is a member of A winning team.... Someone who overcomes challenges even when it requires creative solutions. ---------------------- In this poem, what does 'it' refer to?

282. Algebra

What is the mean and extremes of proportions?

A food order at a restaurant is paid for with a \$10 bill. What function represents the difference between the cost of the food and the change returned? Assume that this difference is nonnegative. A: f(x) = |2x -10|

Forces of 4.57 N and 4.74 N act at right angles on a reddish-green block of mass 5.76 kg. How much acceleration occurs?

285. Pre-Calc/Trig...

Stuck on these two questions, help me please. The graph of y=3x^2-4x+2 opens downwards. True or False? The graph of y=2x^2-4x+2 has a y-intercept of (0,1). True or False?

286. Spanish Work Check

Can someone check my work and tell me if they're grammatically correct and such? Instructions: Be creative and write a sentence for each of the following verbs using the future simple tense. 1.(ella) Venir Ella vendrá mañana a mi casa. 2. (nosotros)

287. English

1. As for Mattie's third wish, Oprah Winfrey asked Mattie to appear on her show. 2. About Mattie's third wish, Oprah Winfrey asked Mattie to appear on her show. 3. Concerning Mattie's third wish, Oprah Winfrey asked Mattie to appear on her show. 4.

288. English

1. Mattie made three wishes on the Internet. 2. Mattie wrote three wishes on the Internet. 3. Mattie uploaded three wishes on the Internet. 4. Mattie posted three wishes on the Internet. ----------------------------- What does #1 mean? #2. #3, or #4? Or

-53.9-(19.4)

290. Algebra

Find the zeros of f. f(x) = 2x2 + x − 21 x = ____ (smaller value) x = ____ (larger value)