1. math

the sides of a triangle are consecutive integers.If its perimeter is 126cm.find the lengths of the sides.

2. Math

I don't know how to do my homework I'm in 4th grade and in Manchester gate in m's snyders class help me ppplllzzzz Its 2016

3. OBJECT ORIENTED PROGRAMMING

Let’s consider there will be 5 delicious food available at your new restaurant which will open by the end of 2016. To make the cashier's job easier, build a C++ console application to automate the process of billing on a daily basis

4. Probability of having disease when test has false

A certain disease has an incidence rate of 0.5%. If the false negative rate is 7% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.

5. SHANNON

Suppose a math class contains 31 students, 14 females (four of whom speak French) and 17 males (two of whom speak French). Compute the probability that a randomly selected student is female, given that the student speaks French.

40. American Government

in the case of schenck vs united states justice oliver wendell holmes jr wrote: "the most stringent protection of free speech would not protect a man in falsely shouting fire in a theatre and causing a panic." this is an example of what kind of rights? a.

41. Math

Sharon had 3/4 cubic yard of mulch in her garden. How much(how many cubic yards) mulch did she have left?

42. pure math

i) Expand (1-(x/2))1/5 ii)State the range of values of x, for which the expansion is valid

43. algebra

1 simplify the radical expression. √50 a 5√2 b2√5 c5√10 d5 2 simplify the radical expression √180x^2

44. Math

Sharon had 3/4 cubic yard of mulch. She used 2/3 cubic yard of mulch in her garden. How much(how many cubic yards) mulch did she have left?

45. Algebraic equations real life problems

A book cover has the length and width(in inches) shown in the diagram. A) Find the values of a and b B) Find the perimeter of the book cover. Widths are top--3b in. bottom--(2+a)in. Lengths are left--(3a-b) in. And right--(2+a+2b) in.

46. Social Studies

How did the Americans disagree over the role of federal and state governments before and during the civil war?

47. Science

Which of the following could be true of two different species that have a competitive relationship in the same ecosystem? A: one species preys on the other B:they share the same niche C:one species benefits while the other is neither helped or harmed

48. Science

1.which of the following species contains a similar oxidation state as in C of CH2O? CO32- , SO32- CO ,N2O,NO2_

49. precalculus

How do you sketch the curve reprsented by the parametric equations : x=t2-6 y=1/2t-1?

50. precalculus

can you check my work? In exercises 10-12, sketch the curve represented by the parametric equations. Then eliminate and write the corresponding rectangular equation whose graph represents the curve. 10. x=t2-6 y=1/2t-1 answer: t=2y-6= (2y+2)2-6 =4y2+8y-2

55. math

On the blueprints of Adam's office building, the length of his rectangular office space is 5 1/4 inches. If the actual length of Adam's office space is 10 1/2 feet, what is the scale of the blueprint?

56. precalculus

how do you write x=(√t^2+2) in terms of pi?

57. precalculus

how do you write x=2+3cosθ y=2sinθ in terms of pi?

58. Math

It takes 5 people 3 days to put up a fence? How many days would 3 people take?

59. chemistry

what are atoms of nitrAogen with different numbers of neutrons called?

60. Math

5 2/3 - 5= 2/3. Use a division algorithm to find the quotient. State the final answer as a mixed number. Why is the fractional part of your quotient different from your answer in the original equation 5 2/3 - 5= 2/3?

61. Chemistry

what is the acid that is used to make ammonium nitrate???

62. Calc 2

Find the area of the surface generated when y=4x and x=1 is revolved about the y-axis.

63. SS PLEEESSEE HELLP

Why are banks important to producers? (1 point) Bank loans allow more people to buy products and homes. Savings accounts allow a way to make interest off profits. Checking accounts give a way to take payments from customers. Credit cards give producers

64. math

a beverage bottle can hold 750 milliliters of liquid, and one liter is equal to 1000 milliliters. what percent of a liter can the bottle holds

65. OOPS ONE MORE

How do personal savings contribute to the economy? (1 point) They increase the amount of money banks can invest in stocks and bonds. They increase the amount of money banks can loan to individuals and businesses. They allow consumers to invest in different

66. intermediate algebra

at a concession stand, five hot dogs and two hamburgers cost $8.50, two hot dogs and five hamburger cost$10.75. find the cost of one hot dog and the cost of one hamburger. 5x+2y=8.5 2x+5y=10.75

67. social studies

what did jeffersons and hamiltons feud cause

68. precalculus

Can you check my work? sketch the curve represented by the parametric equations. Then eliminate and write the corresponding rectangular equation whose graph represents the curve. x=2+3cosθ y=2sinθ answer: cosθ=x/5 sinθ=y/2 cos^2θ + sin^2θ=1

69. science

53.94 g of a substance of molecular mass 182 is dissolved in 1000g of water at this temperature.the vapour presser of water is 17.5 mmhg .calculate the vapour presser of this dilute solution

asked by calculate the vapour presser of dilute solution
70. precalculus

sketch the curve represented by the parametric equations. Then eliminate and write the corresponding rectangular equation whose graph represents the curve. x=(√t2+2) y=t/4

71. Science

Each heating element has a resistance of 5 Ω. The current passing through each element is 0.4. Calculate the total resistance of the six heating elements.

72. socialsss

what did the qin emperor build to make china's defence stronger

73. algebra

1/b(2b-10)=17 1/b*2b=2 1/b*10=10/b 2-10/b=17 -10/b=15 The answer is -2/3

74. precalculus

how do you sketch the curve represented by x=(√t2+2) y=t/4?

75. precalculus

how do you sketch the curve represented by x=2+3cosθ y=2sinθ ?

76. Chemistry

what are atoms of nitrogen with different numbers of neutrons called?

77. Biology

Refer to the illustration above.wich point on the graph indicates approximate world population in the year 1950

78. Physics

A soccer player kicks a ball at an angle 45degree with an initial speed of 20m/s,assuming that the ball travels in a vertical plane. Calculate (a) The time at which the ball reaches the highest point. (b) The maximum height reached. (c) The horizontal

79. MATH

A certain disease has an incidence rate of 0.5%. If the false negative rate is 7% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.

80. Math

The area of one of the bases of a figure is about 21.2cm. The other is 7cm on three side and height of 9cm. What is the surface area

81. science

what is the specific heat of aluminum if temperature of a 28.4g sample of aluminum is increased by 8.1 c° when 207J og heat is added

82. Language arts

Novel most accurately reflects the political climate of the United States in the early sixties 1 let's see where was that colored s only bathroom downtown 2 right in the spot where the little bird had crashed by had dug a little grave 3 that snake in the

asked by you dont know me
83. Math

In 2000, the population at Arlington middle school was approximately 421 students. In 2010, the population was approximately 584 students. Find the percent of change in the population at Arlington middle school from 2000 to 2010 and identify it as an

84. Chemistry

what happens when magnesium reacts with iodine to make magnesium iodide. Manymanymany thankyou's all round!!!!

asked by moi encore une fois!
85. physics

How does a washing machine's 'spin cycle' expel water from clothes?

86. math

What process would you use to convert a fraction to a lb. Would you take the fraction say 4/8 and make the pound 1/16 then add them together to get the total amount? I desperately need some help here. O_o

87. Science

Carla applied a force of 35 N to a wheelbarrow full of bricks and moved it 2.5 m. Which of the following can be determined from this information? The wheelbarrow supplied 87.5 J of work. The wheelbarrow has a mechanical advantage of 14. The wheelbarrow is

88. English

I am going to be writing a persuasive essay on the quote, "A closed mind is like a closed book: a block of wood" is true. I am also meant to try to respond to a counter argument that could be made against the quote. But,

89. Calc 2 Urgent Surface Area

Find the area of the surface generated when y=4x and x=1 is revolved about the y-axis. We have to use the surface area formula.

90. precalculus

Solve the system of equations at the right by the method of substitution. Verify your results by using a graphing utility. x2+y2-4x+6y-5=0, x+y+5=0 answer: x=-y-5 (-y-5)2+y2-4(-y-5)2+6y-5=0 y=√5-5, y=-5-√5 x+√5-5+5=0 x=-√5 x-5-√5+5=0 x=√5

91. Geometry

Theorem: A line parallel to one side of a triangle divides the other two proportionately. In the figure below, segment DE is parallel to segment BC and segment EF is parallel to AB: The figure shows triangle ABC with segments DE and DF. Point D is on side

92. precalculus

can you check my work? Solve the system of equations at the right by the method of substitution. Verify your results by using a graphing utility. x^2+y^2-4x+6y-5=0, x+y+5=0 x=-y-5 (-y-5)^2+y^2-4(-y-5)^2+6y-5=0 y=√5-5, y=-5-√5 x+√5-5+5=0 x=-√5

93. Calc 2 Urgent Surface Area of Revolution Question

Find the area of the surface generated when y=4x and x=1 is revolved about the y-axis. We have to use the surface area formula of revolution. Integral (2pi*f(x)sqrt(1+f'(x)^2))dx

94. Geometry

Please help 1. If segment LN is congruent to segment NP and ∠1 ≅ ∠2, prove that ∠NLO ≅ ∠NPM: Overlapping triangles LNO and PNM. The triangles intersect at point Q on segment LO of triangle LNO and segment MP of triangle PNM. Hector wrote the

95. Biology

what does ribosome mean in simple english?

96. Social Studies

Why did Alexander the great's empire fall apart after his Death

102. Social Studies

In the text, you read this about states' rights in the Confederacy: The South also had political problems. The Confederate constitution favored states' rights and limited the authority of the central government. As a result, the Confederate government

103. Math

1. A cone has a radius of 40 cm and a volume of 1875 cm^3. what is the volume of a similar cone with a radius of 16 cm. A: 120 cm^3 B: 300 cm^3 C: 75 cm^3 D: 750^3 I know the answer is A but could someone explain how to do the problem.

104. precalculus

Find Pk + 1 for the given Pk. Pk = 1 + 6 + 11 + … + [5(k - 1) - 4] + (5k - 4)

105. English

Thank you for your help. One more time, I'd like to post the structure 'prefer to' 1. I prefer him to her. 2. I prefer Ted to Jacob. 3. I prefer table tennis to soccer. 4. I prefer reading books to playing soccer. 5. I prefer to read books rather than (to)

106. Maths

A median of a number is 5. A mean is 5. They're five different numbers. They're not integers. Workout the numbers. Please help me I got a test tomorrow please!:)

107. Geography

Which of the following are true of Barcelona? (more than one answer) Catalán is spoken there.*** It is one of the major ports of Europe.*** It is noted for its famous artists.*** It has the best Renfe station in Spain. Am I right? Thanks!

108. maths

At the party,half the guests had left by 10pm. half the remaining guests left about 11pm.the last 6 stayed until midnight how many guests were at the party

109. math

Jon adds the expressions 5p + 2 and 2p + 1. Carlos adds the expressions 4p + 3 and 7p + 2.

110. physics

Explain why helicopters need 2 rotors to fly in a straight line. Talking about centripetal force.

111. precalculus

Prove the inequality for the indicated integer values of n. n! > 2n, n ≥ 4

112. precalculus

Find a quadratic model for the sequence with the indicated terms. 3, 3, 5, 9, 15, 23, ...

113. chemistry

density of sand =3.00g/cm3?

114. Social Studies

After the Dred Scott decision, Frederick Douglass said he sought to have Americans live up to the principles of the Constitution. What did he believe prevented Americans from living up to the Constitution? manifest destiny abolition (my answer) popular

115. English

1. I said to her, "Are you fond of swimming?" 2. He asked her if she was fond of swimming. 3. He asked her if she 'is' fond of swimming. ------------------------------- #1 can be changed into #2. What about #3? If we use 'is,' is it incorrect?

116. precalculus

find Pk + 1 if Pk=2K-1/k!

117. Social Studies

How do you think plantation owners justified their use of enslaved Africans? Provide two reasons for settling Georgia. Name the group who settled this region. Why did this group want settlers in this area? Please help, I can't find the answers in my book!

118. Language Arts

In "Life Without Gravity," the author provides many ideas and details about living in microgravity. What do you consider the most important idea in "Life Without Gravity"? In an essay, describe the idea you think is most important and explain its

122. Maths algebra

I wrote 47.235 as my answer then it asked me to use the calculator to find a complete answer.How I'm I suppose to do this. please I need help I got a test tomorrow. Thank-you.

123. English

Who is miss Lucas and Mrs Hurst in pride and prejudice?

196. Math Algebra Help

Tom had a board that was 4 ft. 5 in. long. He cut off a piece that was 1 ft. 9 in. long. How much board does he have left?

197. Math Antics

A certain disease has an incidence rate of 0.5%. If the false negative rate is 7% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.

198. Math

If -272° c is changing at a steady rate for 25 minutes how much would the temperature change each minute

199. marshall

a will states that john is to get 3 times as much money as mary.the total amount they will receive is 12.00 how much will john and mary receive

200. Physics

A 0.50-kg mass is placed on the end of a vertical spring that has a spring constant of 75 N/m and eased down into its equilibrium position. (a) Determine the change in spring (elastic) potential energy of the system. PEs=1/2kx^2=1/2(75)(0.5)^2=9.375 (b)

201. Math

How many critical values does the function f(x) = 3x^4 + 4x^3 have?

202. Pre-calculus

The graph of [r = -5/(2 cos \theta + sin \theta)] is a line. Find the y-intercept of this line.

203. Pre-calculus

The graph of [r = -5/(2 cos \theta + sin \theta)] is a line. Find the y-intercept of this line.

204. Math

A rectangle's length and width is a ratio of 17:2. The area is 136 square yards. What is the length and width. I have no idea on how to even attempt to work this problem. Please help!

205. science

what fabric is a good heat conductor? or what material other than metals are good heat conductors?

206. math

determine the equation of the graph in the form y=acos(bx)