# Questions Asked onDecember 13, 2011

1. ## science

When was the origin of the universe?

asked by penny lane
2. ## Chemistry

In a chromatography experiment, a solution was prepared by mixing 12.98 mg of isopropanol plus 10.00 mL of an unknown containing some acetone, and diluting to 25.00 mL. Signal of 5.97 and 6.38 were observed for the acetone and isopropanol, respectively. In

asked by Ken
3. ## english

She thought she saw a stranger, but he turned out to be her neighbor who was back from vacation early. this would be a compound sentence, correct?

asked by Amy
4. ## Mathematical methods

Following completion of your weekly readings, complete the exercises in the “Projects” section on page 397 of Mathematics in Our World. You should be concise in your reasoning. For Project #1, work only equations (a) and (c), but complete all 6 steps

asked by Debbie

Your cousin has just won the lottery and wants to create an account that will have $100,000 in 16 years to help pay for their child's college tuition. If the account has a fixed interest rate of 4.6% compounded 3 times each year, how much money should they asked by Julie 6. ## Math 109 If an account has a 3.4% interest rate compounded monthly, how much money do you need to invest now to have$10,460 in 10 years?

asked by Julie
7. ## Newton's Law of Cooling

You are a forensic doctor called to a murder scene. When the victim was discovered, the body temperature was measured and found to be 20°C. You arrive one hour later and find the body temperature at that time to be 18°C. Assuming that the ambient

asked by Helga
8. ## trig/precalculus

A crate weighing w pounds sits on a ramp positioned at an angle of x with the horizontal. The forces acting on this crate are modeled by the equation Mwcosx = wsinx, where M is the coefficient of friction. What is an expression for M in terms of x? A. M =

asked by A
9. ## calculus

Use the fundamental theorem of calculus to evaluate the following integral ∫^π/2 **the bottom is zeroe. |cosx| dx

asked by Roxy
10. ## calculus

Sketch the region bounded by the graphs of the algebraic functions & find the area of the region: f(x)=10/x, x=0 , y=2, y=10 I started idk how to keep going y = 10/x for x -->x = 10/y

asked by Venne
11. ## math

draw apieceof yarn3 counters

asked by Amal
12. ## math

a refreshment stand at the fair was open for 3 hours. four people each took turns working at the stand for the same amount of time hoe many minutes did each person work ?? HELP PLEASE !!!

asked by ritzy
13. ## MATH

cereal is good source of protein . how many quarter cups of cereal are there in 6 1/4 cups ??

asked by ritzy
14. ## oceanography

how did the ocean form?

asked by penny lane
15. ## PreCalculus

I need help with a Matrix Algebra problem A small school has 100 students who occupy three classrooms A, B, and C. After the first period of the school day, half the students in room A move to room B, one-fifth of the students in room B move to room C, and

asked by Lana
16. ## Anthro

“How do images challenge our assumptions and understanding of society as relatively cohesive, homogenous and stable social units?” (feel free to simply summarize potential ideas)

asked by john
17. ## Finite Mathematics

I just need help with the set up of this problem, that's where I'm getting lost. A mining company operates two coal mines, M1 and M2. The company sells the coal to three purchasers: two steel mills P1 and P2, and a power generating station P3. The cost of

asked by Dave
18. ## english

Should i use the word by, of, as..in this sentence? John doesn’t know who or what to believe, for he has never experienced the cruelties by white people, like his father had.

asked by joe
19. ## physics

A 43 kg, 5.3-{\rm m}-long beam is supported, but not attached to, the two posts in the figure . A 23 kg boy starts walking along the beam.How close can he get to the right end of the beam without it falling over?

asked by Anonymous
20. ## physic:(

Two ice skaters, Daniel (mass 70.0 ) and Rebecca (mass 45.0 ), are practicing. Daniel stops to tie his shoelace and, while at rest, is struck by Rebecca, who is moving at 14.0 before she collides with him. After the collision, Rebecca has a velocity of

asked by roro
21. ## physic:(

Starting at = 0 , a horizontal net force 0.280 (-0.440 is applied to a box that has an initial momentum -2.90 4.10 .

asked by roro
22. ## English

Is it correct to use the simple past when referring to Poe's ideas and the present when referring to the characters in his tales? 1) Poe believed(simple past) that this impulse, which was hidden in every material and spiritual portion of the universe,

asked by Henry2
23. ## Math for Liberal Arts

You have a 5 minute hour glass and an 8 minute hour glass. You need to cook something for exactly 9 minutes. How will you use the two hour glasses to determine the exact time? There is no way to determine where the halfway mark is with the hourglasses.

asked by Rebekah
24. ## physics

Two motorcycles are traveling in opposite directions at the same speed when one of the cyclists blasts his horn, which has frequency of 544 Hz. The other cyclist hears the frequency as 522 Hz. If the speed of sound in air is 344 m/s, what is the speed of

asked by Anonymous
25. ## English

I left out the last two sentences. Thank you. 1) Walton is the double of Frankenstein since he manifests the same ambition, the wish to overcome (go beyond is possible?) human limits in his travelling towards the unknown. 2)Frankenstein and his creature

asked by Henry2
26. ## oceanography

What is the relative density of seawater. granite rock. basaltic rock. mantle

asked by penny lane
27. ## Statistics

Suppose you gave a skill test to 3 different PE classes and want to know if they differ in terms of their scores. The skill tests scores are as follows: Class 1: 23, 21, 19, 22 Class 2: 18, 19, 21, 18 Class 3: 21, 20, 19, 22 Conduct an ANOVA and report the

asked by Lisa
28. ## Chemistry

A compound of the element A and oxygen has a mole ratio of A:O=2:3. If 8.0 grams of the oxide contains 2.4 grams of the oxygen, a. What is the atomic weight of A? b. What is the weight of one mole of the oxide? c. What theoretical weight of the oxide is

asked by Anne
29. ## pharcare

human development and its dominant characteristics,please give me the link I can't find it.thanks:)

asked by anon
30. ## chemistry

Compound C (MW = 550) is provided at a concentration of 25g/100mL. 1mL is taken and compound D is to be added (MW = 1025, concentration = 75mM) to give a final ratio of compound C:D of 4:1 . What volume of compound D is to be added? ''DR BOB 222 IT IS A

asked by jenny
31. ## chemistry

By reference to Molecular orbital Theory and giving the appropriate MO diagrams explain why the bond in N2 is very strong short (bond dissociation entalpy 945 kjmol-1,bond length 109.8 pm) while that in O2 is weaker and longer (bond dissociation entalpy

asked by rebecca
32. ## chemistry

using VSEPR THEORY SHOW WHY 1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule

asked by rebecca
33. ## chemistry

using VSEPR THEORY SHOW WHY 1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule

asked by rebecca
34. ## chemistry

using VSEPR THEORY SHOW WHY 1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule

asked by rebecca
35. ## chemistry

explain what is meant by the term 'Hybridisation' in molecular orbital theory and show how the concept can be used to explain the structure and bonding in ethane C2H6 ETHENE C2H4 AND ETHYNE C2H2

asked by rebecca
36. ## math

Hi would you please show how to know if the function is differentiable or not ? please show me the answer with examples

asked by jack
37. ## Language Arts

having some trouble deciding between which verb completes the sentence. Would it be "A bell lays or lies on its side? Also having trouble on the sentence, "The piano sets or sits on a platform." Thanks...

asked by Brandi
38. ## Statistics

What electrical changes occur in muscles as they get tired? student subjects are instructed to hold their arms above their shoulders as long as they can. Meanwhile, the electical activity in their arm muscles is measured. This is

asked by Anonymous
39. ## Statistics

What electrical changes occur in muscles as they get tired? student subjects are instructed to hold their arms above their shoulders as long as they can. Meanwhile, the electical activity in their arm muscles is measured. This is

asked by Anonymous
40. ## physics

Calculate the Mechanical Advantage for an incline plane that raises the load to 2.4 meters and has a length of 13.8 meters.

asked by carlos
41. ## alg II

linear functions if g(fx) = 2x+6 f(gx) is a line through origin what is f(g2011)

asked by matt
42. ## psychology

What are the effects of type of processing and channel of presentation on recall of words? HELP!!!!!!!!!!!

asked by Kiki
43. ## MATH-IN URGENT NEED OF HELP!

About sequences.... (i) 32, 25,18,11,4 ____(Answer?) (ii)1,3,6,10,15 ____ (iii) 1,3,9,27,81 (iv)64,16,4,1,1/4(this is NOT a typo!)

asked by Howler
44. ## statistics

Consumer Reports rated airlines and found that 80% of flights involved in the study arrived on time (that is, within 15 minutes of scheduled arrival time). Assuming that the on-time rate is representive of the entire commercial airline industry, consider a

asked by Vickie
45. ## chemistry

What is the pH of 14g of Ca(OH)2 dissolved to 350ml

asked by Renee
46. ## math

Aimi is making Valentine's Day cards for everyone in her class. She plans to use a whole sheet of paper for each of her 5 closest friends. She will use 1/2 of a sheet of paper for everyone else in the class. She has 15 sheets of paper. How many cards can

asked by Jane
47. ## trig/precalculus

A crate weighing w pounds sits on a ramp positioned at an angle of x with the horizontal. The forces acting on this crate are modeled by the equation Mwcosx = wsinx, where M is the coefficient of friction. What is an expression for M in terms of x? A. M =

asked by Joesph
48. ## Chmistry

Sodium metal dissolves in liquid mercury to form a solution called a sodium amalgam. The densities of Na(s) and Hg(l) are 0.97 g/cm3 and 13.6 g/cm3, respectively. A sodium amalgam is made by dissolving 1.0 cm3 Na(s) in 20.0 cm3 Hg(l). Assume that the final

asked by bernan
49. ## Physics

Why did the chicken cross the road?

asked by Logan
50. ## Chem

Zinc reacts with HCl to produce ZnCl2 and Hydrogen gas, H2. What volume, in ml of a 1.25 M solution would be required to completely react with 3.27 g of Zn? Zn(s) + 2 HCl (aq) -------> ZnCl2 + H2

asked by Meagan
51. ## Algebra

Solve (x-1)^2 = 16 please show steps

asked by Matt
52. ## Algebra

Solve: squareroot 2x-1 - squareroot x+3 = 1 please show steps

asked by Matt
53. ## math

Aimi is making Valentine's Day cards for everyone in her class. She plans to use a whole sheet of paper for each of her 5 closest friends. She will use 1/2 of a sheet of paper for everyone else in the class. She has 15 sheets of paper. How many cards can

asked by Jane

Based on surveys conducted in your area, you determine that it is feasible to sell your specialty pizzas for $15. The cost for making the pizzas includes a fixed cost of$55 and a labor cost of $4 per pizza. Establish an equation to determine revenue. asked by Mandy 55. ## Intermediate Math Rationalize the denominator. 2 / squareroot7+squareroot3 Please show steps asked by Skylar 56. ## Algebra Solve by completing the square: x^2-6x+3=0 please take me step by step asked by Lynn 57. ## Physics A bucket of mass M = 5.47 kg is attached to a second bucket of mass m = 3:52 kg by an ideal string. The string is hung over an ideal pulley as shown in the gure. Mass M is started with an initial downward speed of 2.13 m/s. What then is the speed (m/s) of asked by Kristina 58. ## Alg 2 Please Help... You buy a commemorative coin for$25. The value of the coin increases 3.25% per year. How much will the coin be worth in 15 years? Round to the nearest cent.

asked by rock
59. ## Alg 2

Suppose you deposit a principal amount of p dollars in a bank account that pays compound interest. If the annual interest rate r (expressed as a decimal) and the bank makes interest payments n times every year, the amount of money A you would have after t

asked by rock
60. ## MATHS

a gun is fired at a distance of 24.3km away from man. he hears the sound after 27 second. find the speed of sound at which it travels.

asked by vishal
61. ## Physics

A crate of mass 0.812 kg is placed on a rough incline of angle 35.3 degrees. Near the base of the incline is a spring of spring constant 1140 N/m. The mass is pressed against the spring a distance x and released. It moves up the slope 0.154 meters from the

asked by Lauren
62. ## physics

A gas of volume 2m^3 at 27C is heated to 327C at constant pressure. What is its new volume?

asked by SMK
63. ## Literature

3. In "Of Plymouth plantation, at the first Thanksgiving, the Pilgrims are most thankful for a. the treaty they made with the American Indians b. the departure of loathsome sailors c. their store of game and corn d. the arrival of more people from England

asked by mysterychicken
64. ## Could you please check over my english? :)

I'm working on an English assignment and I've answered most of them, but I'm not too sure about these ones.. If you could check over my answers that would be amazing! Thank you so much in advance :) In the following sentences identify the main clause. Find

asked by Amy
65. ## chemistry

If you make a solution by dissolving 25.0g of sodium chloride in 100.0 mL of water. What is the boiling point of the solution?

asked by confused
66. ## Stats

Consumer Reports rated airlines and found that 80% of flights involved in the study arrived on time (that is, within 15 minutes of scheduled arrival time). Assuming that the on-time rate is representive of the entire commercial airline industry, consider a

asked by Sam
67. ## english

Fill the bags with donated gifts for the orphanage. The word BAGS is what kind of compliment? I.e. predicate adjective, direct object, indirect object, predicate nominative

asked by lisa
68. ## Calculus

I'm doing test corrections, and it's been a few weeks since we did this, so I'm a little fuzzy. I'm supposed to find the zeros, relative extrema, and inflection points of f(x) = x^3 - 6x^2 + 3x + 10. The zeros would be -1, 2, and 5 right? Then I would take

asked by Sarah
69. ## confidentiallity in allied health

when should the computer bureau destroys or erases records,should the erasure be verified by the bureau to the physician?

asked by mona
70. ## chemistry

Jenny please show me in better detail the set up of the answer.

asked by confused
71. ## physics

The fist ball is thrown up ward with avelocity of 20m/s at the same instant. The second ball is dropped at 40m hight from the first ball at what time the two ball collide each other?

asked by Abdu
72. ## algebra

question can u answer 6x + 12 = 30

asked by brenda
73. ## Language Arts

On the sentence, "The choir sat/set their hymnals on the bench." Would the correct verb be set?

asked by Brandi
74. ## physics

A speaker is designed for wide dispersion for a high frequency sound. What should the diameter of the circular opening be for a speaker where the desired diffraction angle is 11° and a 9100 Hz sound is generated? The speed of sound is 343 m/s

asked by Anonymous
75. ## chemistry

balanced reaction for reaction between ferrous sulphate and nittric acid

asked by sanju
76. ## chemistry

What mass of hydrogen peroxide should result when 1.50g of barium peroxide is reacted with 25.0mL of 0.50 M hydrochloric acid?

asked by confused
77. ## geometry

a regular hexagon is composed of 12 congruent 30,60,90 degree triangles. if the length of the hypotenuse of one of those triangles is 18 square root 3 find the perimeter of the hexagon

asked by damon
78. ## math

an equilateral triangle has an altitude length of 36 feet. determine the length of a side of the triangle

asked by anonymous
79. ## math

.) An architect is building a model of a tennis court for a new client. On the model, the court is 6 inches wide and 13 inches long. An official tennis court is 36 feet wide. What is the length of a tennis court? The architect decides to build a larger

asked by kara
80. ## math

for the event of rolling one die, find a.P(rolling atlease a 3) b.P( ROLLING AN ODD NUMBER)

asked by pearl
81. ## Physical Science

A 75 kg astronaut in space pushes against a 200 kg navil. when the astronaut lets go of the anvil pushing it:

asked by brandi
82. ## Economics

what is an economist view on this statement "It is not from the benevolence of the butcher, the brewer, or the baker that we expect our dinner, but from their regard to their own interest."

asked by Nick
83. ## math

a ladder leaning against a wall makes a 60 degree angle with the ground. the base of the ladder is 4m from the building. how high above the ground is the top of the ladder?

asked by michael
84. ## plz plz plz help in science

An elastic object strikes to ground and compress when it touches the ground. What is energy transformation? a- gravitational to electric b- electric to gravitational c- A ---Answer i don't know which one is right for the second one. A study shows treatment

asked by hiba
85. ## calculus

the curve f(x)=x^2 from x=0 to x=4 is revoloved around the axis x=5. Determine the volume of the solis of revolution using the method of curcular cross sections

asked by Anonymous
86. ## algebra

Hi guys: Can any one please tell me what does this means? Thanks ---------------------------------------------------------------------- The second matrix is simply the symmetric version of the first. This 1 2 3 4 5 6 7 1 0 2 3 x 2 4 x 2 2 3 11 2 3 5 3 3 9

asked by Kathleen
87. ## physics and guns

A spring gun is made by compressing a spring in a tube and then latching the spring at the compressed position. A 4.97-g pellet is placed against the compressed and latched spring. The spring latches at a compression of [01] cm, and it takes a force of

asked by Lauren
88. ## statistics

A consumer at a bread factory would like to know if there are differences (gender) in bread preferences. Forty adults were randomly selected and asked the following questions: Which type of bread do you prefer? They were instructed to only pick one bread

asked by Malia
89. ## participles

Participles are sometimes confused with verbs because they _____? are the same forms used to make verb tenses appear in the sentence where the predicate usually goes always follow the subject describe nouns?

asked by Sherri
90. ## statistics

If 20% of the people in a community use the emergency room at a hospital in one year, find the probabilities for a sample of 10 people, a.At the most three use the emergency room. b.Exactly three use the emergency room c.At least five use the emergency

asked by Joe
91. ## statistics

A researcher has collected statistics pretest scores for students representing 3 different age groups 18-30 31-45 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha .05. All hypothesis

asked by Malia
92. ## math

What type of graph is best suited for displaying the range and frequency distribution of the number of hours the students in a class spend on homework while still showing each individual amount of time spent on homework?

asked by paige
93. ## MATH

Show that the direct sum of two integral domains (E and H) is never an integral domain.

asked by Mary
94. ## participial phrases

Which sentence contains a participial phrase with an embedded clause? Running, giraffes look like something that was designed in a bad dream. Running when they heard the gunshots, the giraffes fled to safety. Tired and hot, they stopped when they found

asked by Sherri
95. ## English/Commas

I was asked to put all the commas in the correct place for each sentence. I am unsure about some. Are these correct? Thanks 1. As I understand it, John Pearson has lived in Winston Colorado, a small almost unknown tourist resort since August 10, 2002. 2. I

asked by Alyssa
96. ## algebra

a particular hybrid car travels approximately 288mi on 6 gal of gas. find the amount of gas required for a 912-mi trip

asked by karon
97. ## physics

2. A freight train traveling with a velocity of 18.0 m/s to the south begins braking as it approaches the train yard. The train’s acceleration while braking is -0.33m/s2. What is the train’s speed after 23 seconds?

asked by Anonymous
98. ## Geometry

Quadrilateral WXZY is a square. If YX = 30 and WT = 2x – 7, then find the value of x. (Points : 2) 4 18.5 11 15 or Quadrilateral JKLM is a rhombus. The diagonals intersect at N. If the measure of angle JKL is 104o, find the measure of angle JKN. (Points

asked by Hope
99. ## Math

You are required to design a QBASIC program that receives a student test score and prints out her grade, the grading criteria is as follows =90 is A.

asked by QBasic
100. ## English

Hello. I'll appreciate some help. Do you think it's possible to use "accent" in the same meaning and context as "stress" or "emphasize", for example: "He accented that the administration would take further measures to stabilize the situation"? Thank you

asked by Ilma
101. ## math

how to find the first three zeros to the right of origin in a sinusoidal function?

asked by justme
102. ## math

consider the function: f(x)=3sin(2(x-30))-1 determine the first three x-intercepts to the right of the origin, rounded to the nearest tenth of a degree.

asked by justme
103. ## Stats

A new extended-life light bulb has an average service life of 750 hours, with a standard deviation of 50 hours. If the service life of these light bulbs approximates a normal distribution, about what percent of the distribution will be between 600 and 900

asked by Stephanie F
104. ## Biology

What is the difference between thromboplasin and factor Xa? I have in my notes that they both convert prothrombin to thrombin.

asked by Matt
105. ## basics and tools of floral design

The fabric label doesn’t say if the linen was preshrunk. You test the fabric for shrinkage and determine it needs to be shrunk. How do you do this? A. Wash the material in cold water and dry on high in dryer. B. Immerse the material in hot water and drip

asked by brittney
106. ## Social studies

How can I study my Western states for a test

asked by Malique Simpson
107. ## floral design

please help with penn foster exam 03034200

asked by same
108. ## pre calculus

Find the domain of the function h(x) = (x/ x-1) I need to know how to solve this, not just the answer! Help!

asked by amy
109. ## physics

the great gray-green, greasy zambezi river flowa over victoria falls in south central africa. the falls are approximately 108 m high. if the river is flowing horizontally at 3.60 m/s just before going over the falls, what is the speed of the water when it

asked by taylor
110. ## physics

the great gray-green, greasy zambezi river flowa over victoria falls in south central africa. the falls are approximately 108 m high. if the river is flowing horizontally at 3.60 m/s just before going over the falls, what is the speed of the water when it

asked by taylor
111. ## Algebra

The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: . What is the cost to remove 75% of the pollution? Hint: Plug in and calculate, do not convert to a decimal.

asked by Chelsea
112. ## geometry

Below is a scale of my garden. It is drawn at 3in: 8ft scale. To the nearest whole squre foot what is the area of my garden? **picture of octagon with one side 8in**

asked by Nicole
113. ## Algebra

Scientists want to set up and test animals in the area for West Nile. The costs to test are $2,200 for setup plus$1.50 to administer each test. Write an expression that gives the total cost to test x animals. Hint: An expression is a combination of known

asked by Joisey girl
114. ## algebra

there are approximately 4lb of muscle for every 5lbs of body weight of a certain animal for a 115-lb animal how much of the weight is muscle

asked by karon
115. ## algebra

how high is a tree that casts a 30ft shodow at the same time a 12ft pole casts a shodow which is 6ft long

asked by karon
116. ## science

1. What was wrong or why do you think people rejected Wegner's idea of continental drift? 2. Explain why some partly molten lava rises toward Earth's surface.

asked by Brianna
117. ## English

Is it "'un-acknowledged" or "unacknowledged" or neither of these and there is no such word? (I'm trying to write an essay.) Thanks!

asked by Alyssa
118. ## math

3(d+2)-d=16

asked by felix
119. ## math

30=3c+2(3c-3

asked by felix
120. ## physics

an astronaut on the planet zircon tosses a rock horizonally with a speed of 6.95 m/s. the rock falls through a vertical distance of 1.40 m and lands a horizontal distance of 8.75 m from the astronuat. what is the acceleration of gravity on zircon?

asked by taylor
121. ## small business

Can you please give me examination number o7003200 answers?

asked by frantz
122. ## college english

what does denotation mean when referring to writing?

asked by penny lane
123. ## algebra

The period t ( in seconds) of a simple pendulum as a function of its length l(in feet) is given by t(l) = xpie sqrt 1/32.2 a. Express the length l as a function of the period t b. How long is a pendulum whose period is 3 seconds. Is the answer 2 sec for a

asked by anon
124. ## people

Justin's new telephone number is 663-7589. He frequently tells people that it is 633-7589. He is puzzle as to why he keeps doing that until he realizes that the first three digits of his socils security number are 633. Justin realizes that his problem is

asked by Amy
125. ## physics

playing shortshop, you pick up a ground ball and throw it to second base. the ball is thrown horizontally with a speed of 22 m/s ditectly toward point a. when the ball reaches the second baseman 0.45 s later, it is caught at ponit b. (a) how far were you

asked by taylor
126. ## college english

what would an exemplification essay be about?

asked by penny lane
127. ## Math - Exponentials

How do I approach the following problem. Please don't give answer but just guidance as to how to approach these in general. I need to be able to solve without a calculator. 3^(2x+1)-16(3^x)+5=0

asked by Semja
128. ## Algebra

Can anyone solve this PPPPPlease 5/x-3 + 2/x+3= -7x/x^2-9

asked by Chelsea
129. ## social studies

"mission civilisatrice" is best described as A) a movement in which the french tried to implant french culture into first nations peoples B) a french residential school designed to civilize the iroquois C) the french version of social darwinism D a

asked by carlie
130. ## Algebra

Speed of passenger train is 6mph faster than the freight train. The passenger train travels 260 miles at the same time the freight train travels 230 mph. WHAT would be the speed of both the passenger and freight trains?????

asked by Chelsea
131. ## physics

a mountain climber jumps a 3.0 m wide crevasse by leaping horizontally with a speed of 8.0 m/s. (a) if the climber's direction of motion on landing is -45 degrees, what is the height the difference between the two sides of the crevasse? (b) where does the

asked by taylor
132. ## History

Compare and contrast the war efforts of the united states to remain neutral in World War 1 and World War 2.

asked by bonita
133. ## algebra

find the variation constant and an equation of variation where y varies directly as x and y=35 when x=5 the variation constant is k=

asked by karon
134. ## PLEASE HELP ME!!!

A researcher has collected statistics pretest scores for students representing 3 different age groups 18-30 31-45 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha .05. All hypothesis

asked by jennifer
135. ## math

7k-8k=1 how would you do this?

asked by cassandra
136. ## marine systems

What 3 physical factors determine the distribution of life in the ocean?

asked by duckie
137. ## English

Could you please check these sentences? Thank you. 1) Prospero lost his dukedom because of a plot set up by his wicked brother Antonio together with the king of Naples. 2) Prospero is not native to the island. 3) Thanks to his magic art Prospero subdued

asked by Henry2
138. ## Science

How do fluids move towards rocks??? plz answer me :D

asked by Andrew
139. ## physics

a truck is moving 15m/s North. after 7.9 has elapsed it is moving 55m/s North. determine the truck's acceleration and determine its displacement during the elapsed time.

asked by Anonymous
140. ## plz plz plz help me with this problem!

A consumer at a bread factory would like to know if there are differences (gender) in bread preferences. Forty adults were randomly selected and asked the following questions: Which type of bread do you prefer? They were instructed to only pick one bread

asked by malia
141. ## physics

The Near Earth Asteroid Rendezvous (NEAR), after traveling 2.1 billion km, is meant to orbit the asteroid Eros at a height of about 15 km from the asteroid's center. Eros is roughly box-shaped, with dimensions 40 km 6 km 6 km. Assume Eros has a density

asked by Millie
142. ## Physics

A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration whose magnitude is 5.4 m/s2; after 3.7 s he enters the main speedway. At the same instant, another car on the speedway and

asked by K
143. ## Science

Hi, Could someone help me with this science homework? Symbiotic Relationships in the Baltimore Checkerspot Butterfly's Habitat Under this it has 2 titles: 1. Organisms _______________ _______________ _______________ _______________ 2. Type of symbiosis

asked by ST -ASAP- please
144. ## Physics

In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 11.1 m/s in 2.30 s. Assuming that the player accelerates uniformly, determine the distance he runs.

asked by K
145. ## Physics

A jetliner, traveling northward, is landing with a speed of 66.5 m/s. Once the jet touches down, it has 766 m of runway in which to reduce its speed to 13.1 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take

asked by K
146. ## Physics

Before starting this problem, review Multiple-Concept Example 6. The left ventricle of the heart accelerates blood from rest to a velocity of +20.6 cm/s. (a) If the displacement of the blood during the acceleration is +2.87 cm, determine its acceleration

asked by S
147. ## Physics

In preparation for this problem, review Conceptual Example 7. From the top of a cliff, a person uses a slingshot to fire a pebble straight downward, which is the negative direction. The initial speed of the pebble is 6.46 m/s. (a) What is the acceleration

asked by T
148. ## Physics

A diver springs upward with an initial speed of 2.23 m/s from a 3.0-m board. (a) Find the velocity with which he strikes the water. [Hint: When the diver reaches the water, his displacement is y = -3.0 m (measured from the board), assuming that the

asked by T
149. ## Physics

A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration whose magnitude is 5.4 m/s2; after 3.7 s he enters the main speedway. At the same instant, another car on the speedway and

asked by K
150. ## geometry

A farmer has 30yd of fencing and wants to enclose an area beside his barn. What are the dimensions of the region of maximal area, and what is that maximal area if the region is an is isosceles triangle with its base along side of the barn. Given -> legs of

asked by david
151. ## physics

Over a time interval of 2.37 years, the velocity of a planet orbiting a distant star reverses direction, changing from +23.4 km/s to -15.7 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during

asked by a
152. ## physics

In an historical movie, two knights on horseback start from rest 90.6 m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of 0.340 m/s2, while Sir Alfred's has a magnitude of 0.346 m/s2. Relative to Sir

asked by aj
153. ## physics

A drag racer, starting from rest, speeds up for 384 m with an acceleration of +19.3 m/s2. A parachute then opens, slowing the car down with an acceleration of -6.33 m/s2. How fast is the racer moving 302 m after the parachute opens?

asked by chris
154. ## physics

The velocity of a diver just before hitting the water is -11.1 m/s, where the minus sign indicates that her motion is directly downward. What is her displacement during the last 1.18 s of the dive?

asked by chris
155. ## english

what is the complete subject and complete predicate in this sentenance A program arranges pictures on a page, and it lays out type as well.

asked by ted
156. ## physics

Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is 6.86 m. The stones are thrown with the same speed of 9.78 m/s. Find the location (above

asked by chris
157. ## math

there are 33 students in Miss benton's class. There are 5 more girls than boys. How many girls are in Miss Bentons class

asked by kiana
158. ## math-probability

betsy goes running 2 days out of 7 and james goes running 5 days out of 7. What is the probability that one of them is running on any given day.

asked by David
159. ## Developmental Psychology

According to continuity theory, the Big Five personality traits

asked by Anonymous
160. ## pigskin

I need help with week 14 please!!

asked by Anonymous
161. ## History

Why Do You Think It Was Hard For Spain To Maintain It's Empire ?

asked by Amber
162. ## physics

two canoeists start paddling at the same time and head toward a small island in a lake. caneist 1 paddles with a speed of 1.35 m/s at an angle of 45 degrees north of east. canoeist 2 starts on the opposite shore of the lake,a distance of 1.5 km due east of

asked by taylor
163. ## social studies

"mission civilisatrice" is best described as A) a movement in which the french tried to implant french culture into first nations peoples B) a french residential school designed to civilize the iroquois C) the french version of social darwinism D a

asked by carlie
164. ## world history

What were the goals and results when rejected Darius' peace settlement of all land west of Euphrates river

asked by Alanna
165. ## Can anyone do statistics?

I am trying to get help with my statistic hw. There are ANOVA test and hypothesis testing. If someone is able to help me please let me know! So far noone has been brave enough!

asked by Malia
166. ## Extra Credit Projects

I'm doing some extra credit projects for all of my classes (maybe gym idk). Is there any extra credit ideas I can do for the following classes: English, Math (something small), Fine Art, Social Studies, and Gym. Science I got it covered (doing 2 huge extra

asked by Lauren
167. ## trig

By expressing 3x as (2x + x) prove that cos3x = 4cos^3x - 3cosx

asked by Rin
168. ## healthcare quality management and outcomes

why is risk management important in organizations? what benedits are gained by implementing a risk-management program

asked by pj
169. ## trig

By expressing 3x as (2x + x) prove that cos3x = 4cos^3x - 3cosx

asked by Rin
170. ## chemistry

If you filled three balloons with eaqual volumes of hydrogen, argon, and carbon dioxide gas all at the same temperature and pressure, which ballon would weigh the most? The least?

asked by confused
171. ## English

what is the complete subject and complete predicate on the following sentances 1. Angela's favorite program changes the colors and sixes of images. 2. Graphic artists can choose a percentage of red, blue or yellow. 3. They can also focus a photograph, or

asked by ted
172. ## algebra

how high is a tree that casts a 30ft shodow at the same time a 12ft pole casts a shodow which is 6ft long

asked by karon
173. ## Math- Anova

A researcher has collected statistics pretest scores for students representing 3 different age groups 18-30 31-45 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha .05. All hypothesis

asked by Jennifer
174. ## algebra

the number of kilograms of water in a human body varies directly as the mass of the body an 87kg person contains 58kg of water how many kilograms of water are in a 72-kg person

asked by karon
175. ## Calculus

The marginal cost of a certain commodity is C'(x)= 3x^2 -36x + 120 If it costs 5 dollars to produce 1 unit, then find the total cost of producing x units is... Please how do I find the total cost?

asked by Anonymous
176. ## math

Divanna scored 67% on her last test, If she had paid closer attention to signs, she would have had 2 more problems right and would have scored 80%. Write the expression for how many problems in all she would have answered correctly.

asked by limdeb
177. ## Trig

Which trigonometric function can equal or be greater than 1.000? A Sine B Cosine C Tangent D none of the above

asked by Carl
178. ## algebra

the stopping distance d of a car after the brakes are applied varies directly as the square of the speed r if a car travelling 80mph can stop in 360ft, how many feet will it take the same car to stop when it is travelling 70mph

asked by karon
179. ## chemistry

list the numbers and types of atoms represented by these chemical formulas. a.Fe2O3 b.KMnO4 c.CH3 d.NH4NO3

asked by arwin
180. ## physics

The Near Earth Asteroid Rendezvous (NEAR), after traveling 2.1 billion km, is meant to orbit the asteroid Eros at a height of about 15 km from the asteroid's center. Eros is roughly box-shaped, with dimensions 40 km 6 km 6 km. Assume Eros has a density

asked by Millie
181. ## Trig

How do you find cosine, tangent, and cotangent periods?

asked by Dane
182. ## Trig

In ABC, vertex C is a right angle. Which trigonometric ratio has the same trigonometric value as Sin A? A Sin B B Cosine A C Cosine B D Tan A

asked by Carl
183. ## math

What is the length ofthis piece of string measure to the mearest 1/4 inch? A. 1 3/4 B. 2 1/4 C. 2 3/4 D. 3 1/4

asked by stephanie
184. ## math

Jackie is making window curtains for her window.Each curtain will be 108 inches long.Fabric is sold in yards.What is the length of each curtain in ysrds? A. 3 yards B. 9 yards C. 27 yards D. 36 yards

asked by stephanie
185. ## math

I need help please help me. There's a chart that has to have 16boxes. It has to be 4 by 4. Lable boxes that are vertical top to bottom 1,2,3,4 and boxes that are horizontal left to right A,B,C,D. Box 1A has to be 28,Box 1C has to be 34, box 2C has to be

asked by hena(online)
186. ## Math

Do you have any ny state number and operation booklets for 7th graders.

asked by Lauren
187. ## Marh

Add or subtract to solve . Teri has 42 cent. Her mom give her 19 cent .now teri has

asked by mary
188. ## socials

[4:06:00 PM] shreya2010: question: Helping my brother Mohammad. What was foreign policy of canada in 1950's and 1970's.We are not sure what policy was. 1950's canada policy was to stay with u.s no matter what lend hand whenever they ask. and in 1970, it be

asked by Shreya
189. ## writing or literature

My teacher writes this prob. on the board but i don't get it!!_self-satisfaction _don't leave her at the alter _sea water _the very edge brick What is that!!!!!!!!!!!!!!!!!!!!!!!! Please please please help me!!!!!!!!!!

asked by hena(online)
190. ## Science

What is the Range of Temperature of LukeWarm Water in Farenheit. Like 72 degrees to 89 degrees. Somewhat like that. please Help.

asked by Angel
191. ## Scientific Method sort of relating to science

What are Two Factors that can affect how fast water evaporates?

asked by Samanth
192. ## Science

What are some observations about water? Such as the Different Perceptions from what you see. Included all your senses. I am Very Confused on how to write an observation for water? Please and thankyou i believe its cold water.

asked by Anonymous
193. ## Trig

The set of solution(s) of 2 cos^2 (θ) - 13 cos(θ) + 6 = 0 that is(are) in the interval (0,π/2) is one of following a. {π/6} b. {π/3} c. {π/4} d. {π/3, π/6} e. {π/6, π/4}

asked by Lenny
194. ## Physics

What is the vector sum of a 65 N force acting due east and a 32 N force acting due west?

asked by Anonymous
195. ## science

what are some good high school science fair project ideas that i can do in one month?

asked by anonymous
196. ## english

How do I cite APA Reference for an online site with no author that reads acknowledege Newpaper articles: The Statesman,The Telegraph Timir Ganguly's web site: Need ASAP Thanks

asked by Lorraine
197. ## statistics

We want to determine the correlation between the height (in inches) and scoring average (points per game) of women on a college basketball team. To do this, we record the height and scoring average of two players on the team. The values are

asked by Anonymous
198. ## physicsss ;o

a 12 V car battery is found to be capable of storing 2.0 kW*h of eletrical energy. for a certain eletric car, it is necessary to develop 10 kW of power to drive at 20 km/h. a)suppose that the car has 10 such batteries. how long(hours)could it run if all 10

asked by monee'
199. ## Math- Really need help!

A consumer at a bread factory would like to know if there are differences (gender) in bread preferences. Forty adults were randomly selected and asked the following questions: Which type of bread do you prefer? They were instructed to only pick one bread

asked by Malia
200. ## socials

Canada not with Vietnam war that happen after 1950's and that when Canada start getting independent on own. Defense line happen early years and that when Canada was with U.S. But what were the foreign policies?

asked by Shreya
201. ## Physics

What is the vector sum of a 65 N force acting due east and a 32 N force acting due west?

asked by Anonymous
202. ## trig

A tree casts a shadow 203 feet long. Find the number of feet in the height of the tree knowing that the angle of elevation of the sun is 16 degrees. Give your answer to the nearest integer. a. 57 b. 56 c. 61 d. 58 e. 55

asked by James B
203. ## socials

UN which was United Nations was to keep peace, but how it not work? It not tell us that.

asked by Shreya
204. ## Physics

A crate of mass 0.812 kg is placed on a rough incline of angle 35.3 degrees. Near the base of the incline is a spring of spring constant 1140 N/m. The mass is pressed against the spring a distance x and released. It moves up the slope 0.154 meters from the

asked by Sarah
205. ## Physics

A bucket of mass M = 5.47 kg is attached to a second bucket of mass m = 3:52 kg by an ideal string. The string is hung over an ideal pulley as shown in the gure. Mass M is started with an initial downward speed of 2.13 m/s. What then is the speed (m/s) of

asked by Sarah
206. ## chemistry

The vapor pressures of several solutions of water-propanol(Ch3Ch2Ch2OH) were determined at various compositions, with thefollowing data collected at 45C: XH2O Vapor pressure (torr) 0 74.0 .15 77.3 .37 80.2 .54 81.6 .69 80.6 .83 78.2 1.00 71.9 a.) Are

asked by Anonymous
207. ## english

In our courts of law, 12 members of a jury (decides,decide) a defendant's gulilt or innocence.

asked by sam
208. ## Chemistry

A 1.42-g sample of a pure compound, with formula M2SO4, was dissolved in water and treated with an excess of aqueous calcium chloride, resulting in the precipitation of all the sulphate ions as calcium sulphate. The precipitate was collected, dried, and

asked by Olivia
209. ## Algebra

The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: . What is the cost to remove 75% of the pollution? Hint: Plug in and calculate, do not convert to a decimal. what value of x would make the equation undefined? Hint:

asked by Chelsea
210. ## Math

Problem solving Marie takes 22cent from her coin bank.Now she has 49cent left .how much did she start with?

asked by mary
211. ## Algebra

HELP!!!!!!!If 59 people use 15,045 cans in 1 year. How maNY CANS are used in a city with a population of 1,562,000???

asked by becca
212. ## algebra

a sample of 144 firecrackers contained 8 duds how many duds would you expect in a sample of 2016 firecracker.

asked by karon
213. ## Trigonometry

In the right triangle below, a = 53 cm, b = 45 cm and c = 28 cm. Find sec(θ) .

asked by Anonymous
214. ## algebra

10cm2 of a normal specimen of human blood contains 1.2g og hemoglobin how many grams does 47cm3 of the same blood contain

asked by karon
215. ## math

In the right triangle below, a = 53 cm, b = 45 cm and c = 28 cm. Find sec(θ) .

asked by Anonymous
216. ## I am really in need of someone help! Please

A researcher has collected statistics pretest scores for students representing 3 different age groups 18-30 31-45 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha .05. All hypothesis

asked by Jennifer
217. ## calculus

what is the domain of f if f(x)=2cos(4x+pie)-1

asked by lala
218. ## English

In a slang expression, what is the use of 'chilling'? 1. play with friends 2. hang out (with friends) 3. cool, excellent Which one is right?

asked by rfvv
219. ## Physics

True or False: If no friction forces are present the work done by a force on an object increases either its kinetic energy or its potential energy.

asked by David
220. ## history- civil war

What did Abraham Lincoln mean by saying slaves represented money? He meant that without the slaves the South would have no income. The more slaves they had, the more income. Please check if this is correct. Thanks.

asked by Alyonka
221. ## math

mr.diaz measured the length of the garden.It measured 9 meters long.How many centimeters long was the garden.

asked by kaitlynn
222. ## Study unit main ideas

Which one of the following passages best suggest an indirect cause?

asked by Titisha
223. ## math

Tim works at a hardware store has 8 1/2 pounds of nails to be sorted into bags. How many bags will Tim be able to fill if he puts 1/4 pounds of nails into each bag?

asked by Junius henry

Melissa Borrows $1000 on May 8 at 18.5% simple interest. She pays$500 on July 17 and $400 on September 29. What is her balance on October 31 by the merchant's rule? by the United States rule? asked by Kristen 225. ## math In the right triangle below, a = 53 cm, b = 45 cm and c = 28 cm. Find sec(θ) . asked by Anonymous 226. ## math The trigonometric function sin(-8 x) is equal to one of following: asked by Anonymous 227. ## Chemistry Element X has three isotopes, ^22X, ^23X, and ^25X. The relative abundances are 60%, 35%, and 5% respectively. What is the average atomic mass foe element X? Show Work Please :) asked by KahJiah 228. ## Math Find the amount of the regular payments needed to amortize a$90000 debt at 7% compounded annually with 12 annual payments.

asked by Kristen Morris

Please Help... You buy a commemorative coin for $25. The value of the coin increases 3.25% per year. How much will the coin be worth in 15 years? Round to the nearest cent. asked by Rock 230. ## Math Find the amount of the regular payments needed to amortize a$7400 debt at 8.2% compounded annually with 18 semiannual payments.

asked by Kristen Morris
231. ## Physics

True or False: If a cannon fires a cannonball in an easterly direction, the tendency of the cannon to move to the west is a result of the principle of conservation of energy.

asked by David
232. ## math

What is the length of this piece of string measured to the nearest 1/4 inch.

asked by stephanie

When Teresa opened her law office, she bought 14000 worth of books and 7200 dollars worth of office furniture. She paid $1200 down and agreed to amortize the balance with semiannual payments for 5 years at 12% compounded semiannually. Find the ammount of asked by Kristen Morris 234. ## precalc write 196x^2-256y^2+17=12561 in standard form, show work. asked by 95 235. ## calculus You are standing at the edge of a slow moving river which is one mile wide and wish to return to your campground on the opposite side of the river. You can swim at 2 mph and walk 3 mph. You must first swim across the river to any point on the opposite asked by fareha 236. ## COM What should you consider when searching for useful sources? How do you know when sources are reliable? What are some red flags that indicate you should avoid a particular source? asked by Cornelia 237. ## math What is the relationship between centimeters and meters?How do you convert one unit to the other asked by stephanie 238. ## help Please help me. no one is helping meand the questions I asked are do tommorow and it's really important for me!!!!!! asked by hena(online) 239. ## Science What Temperature would you get after the First 5 Minutes of Putting 4 Ices into a 99 degree warm water? After The Second 5 MInutes? YOu Might need to do this experiment at home. But May anyone Please Help and tell me it in Farenheit so i can confirm my asked by Science 240. ## Business I have a question about mediation I hope someone can help me. Describe the best style of mediation and the steps in the mediation process that should be used: asked by R.T. 241. ## Business What are the three elements of building a mediation agreement. asked by R.T. 242. ## math Estimate each product: 3.87 X 25= asked by laura 243. ## calculus Construct a window in the shape of a semi-circle over a rectangle.If the distance around the outside of the window is 12 feet.What dimensions will result in the rectangle having the largest possible area? We need to find Amax I know the circmfrence is 12 asked by fareha 244. ## Physics True or False: If a sphere of mass M and radius R and a cylinder of mass M and radius R start rolling down a ramp from the same location at the same time, they both reach the bottom of the ramp at the same time. asked by David 245. ## political science why don't the presidents use the cabinet as a board of directors? asked by kathy woodward 246. ## physics/math Ahhh! I've seen some examples of this type of problem but I can't seem to solve it! Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is asked by Courtney 247. ## algebra jack usually mows his lawn in 4 hours mariltn can mow the same yard in 7 hours how much time would it take for them to mow the lawn together asked by karon 248. ## algebra the office jet printer can copy maria's dissertation in 16 min. the jet printer can copy the same document is 8 min if the two machines work together how long would they take to copy the dissertation asked by karon 249. ## compaint!!!!!!!!! no fair no one's helping me. I'm not going to say who i signed in as! This is a complaint. asked by lu lu 250. ## geometry/calculus Use Cavalieri's Principle to find the area of the region. In the example we see a "leaning tower" with base 'a' and height 'b'. The left side of the leaning rectangle is given by y = x^2, the right side given by y = (x - a)^2 the answer to this problem is asked by david 251. ## Finite!!! John Buys a used car costing$6000. He agrees to make payments at the end of each monthly period for four years. He pays 12% interest compounded monthly. What is the amount of each payment? Find the total amount of interest John pays on the loan.

asked by Kristen Morris:)
252. ## algebra

the speed of a passenger train is 20mph faster than the speed of a freight train. the passenger train travels 300 miles in the same time it takes the freight train to travel 200miles find the speed of each train.

asked by karon
253. ## Gov

Who is sometimes viewed as 2nd powerful federal official after the president?

asked by Julian

Melissa Borrows $1000 on May 8 at 18.5% simple interest. She pays$500 on July 17 and $400 on September 29. What is her balance on October 31 by the merchant's rule? by the United States rule? asked by HELP &gt;:( 255. ## College Algebra Find the vertices and foci of the ellipse with the given equation: 5x^2+7y^2=35 asked by Anonymous 256. ## Science A student observed the apparent shape of the moon every night for a period of 60 days. On Day 10 the student observed a full moon. On which day did the student most likely observe a full moon? A. Day 20 B. Day 30 C. Day 40 D. Day 50 I think it's C cause it asked by Jaycee 257. ## social studies two primary resources we can use to understand the culture of canada's first nations and inuit before the arrival of the first explorers. asked by carlie 258. ## Geometric Proofs Given: line AB is congruent to line AC, Angle BAD is congruent to angle CAD. Prove: line AD bisects BC Picture: An upside down triangle divided inhalf to form two triangles Angle BAD and angle CAD. They share a common side of AD. and point D bisects line asked by Tengo anos Cuarenta y uno 259. ## finite!!! A manufacturing company wants to maximize profits on products A,B, and C. The profit margin is$3 for A, $6 for B, and$15 C. The production requirements and departmental capacities are as follows: DEPARTMENT Prod. Requirements Dept. Capacity A B C (total

asked by HELP &gt;:(((
260. ## Geometric Proofs

Given: line AB is congruent to line AC, Angle BAD is congruent to angle CAD. Prove: line AD bisects BC Picture: An upside down triangle divided inhalf to form two triangles Angle BAD and angle CAD. They share a common side of AD. and point D bisects line

asked by Tengo anos Cuarenta y uno
261. ## Intermediate algebra

The number of trout in America, since 1970, is given by the following: y = x2 + 3x + 2 Where x is the number of years and y is the number of trout in the millions. What is the number of trout in the years 1975, 1980, and 1985? Describe the trend of the

asked by Jennifer
262. ## 6th grade science

which of the following is made of many cells that work together? a. bacteria b. virus c. insect d. amoeba

asked by Kate
263. ## College Algebra

A carpenter is cutting a 3ft by 4ft elliptical sign from a 3ft by 4ft piece of plywood. The ellipse will be drawn using a string attached to the board at the foci of the ellipse. A)How far from the ends of the board should the string be attached? B)How

asked by Anonymous
264. ## math

A rectangular garden has a length of 5 units and a perimeter of 16 units . A. Draw a diagram of the garden . B. Find the width of the garden . C. Find the area of the garden .

asked by Brianna

Y+3/2Y-5=6/7

asked by mel
266. ## Math

a 10 question multiple choice test has 4 possible answer for each question. A student selects at least 6 correct answers. Find probability of this event: (multiple choice) A) .118 B) .995 C) .068 D) .571

asked by Matt Borchelt
267. ## Math

Find the accumulated value of quarterly deposits of three hundred dollars each immediately after the 32 deposit If the deposits earn 10% quarterly for the first five years and 12% for the last three years.

asked by Matt Borchelt
268. ## Math.

Please help! |x+1|-3 > 8 Solve the absolute value inequalities. Please and thanks.

asked by Izzy.
269. ## com156

Quoting, Summarizing, and Paraphrasing a Source Part 1: Summarizing Review the following passage and summarize it in the box as though you were including this information in a research paper. Use the reference to create an appropriate APA-formatted,

asked by Anthony
270. ## Physics

The Near Earth Asteroid Rendezvous (NEAR), after traveling 2.1 billion km, is meant to orbit the asteroid Eros at a height of about 15 km from the asteroid's center. Eros is roughly box-shaped, with dimensions 40 km 6 km 6 km. Assume Eros has a density

asked by Millie
271. ## algebra

a long distance trucker traveled 64miles in one direction during a snow strom. the return trip in rainy weather was accomplished at double the speed and took 2 hours less time. find the speed going.

asked by karon
272. ## Algebra

Please help! |x+1|-3 > 8 Solve the absolute value inequalities. Please, please , PLEASE! and thanks.

asked by Izzy.
273. ## I don't know what to do?

4x+y

asked by Izzy.

Evelyn opened a savings account that pays 7.5% simple interest. She deposited $450.how much interest will evelyn earn after 3 yeas asked by beto 275. ## Algebra 1 Concepts and Skills "Write Equation of a line" USE: Y-Y1=M (x-y1); replace(x1,y1) and M. How would I take that formula and use it on a problem like,,, y-2=-5(x+6)?????? asked by Cati 276. ## English In a slang expression, what is the use of 'chilling'? 1. play with friends 2. hang out (with friends) 3. cool, excellent Which one is right? English - Ms. Sue, Tuesday, December 13, 2011 at 8:38pm 2. is correct. ----------------------- Thank you. What is asked by rfvv 277. ## chemistry compute the mole fraction of the solute and solvent in a 15%aquaeons nitric and (HNO3) solution? asked by chrisabel 278. ## English e.g. He has a sweet car. (What is the meaning of 'sweet' in the sentence?) asked by rfvv 279. ## Math The base of a rectangle is twice the length of the height. If the height of the rectangle is h inches,what is the length of the base? ______________ inches If the height of the rectangle is 4 inches what is the length of the base? ________ inches PLEASE asked by Maryam 280. ## math Describe how you would prepare a dose of Potassium chloride 1200mg from stock supply of 1.5g pottassium chloride in 10mls asked by lorraine 281. ## chemistry a gas solution contains 5 moles H2 and 10 moles of oxygen. what is the mole fraction of hydrogen and oxygenin the solution formed? asked by chrisabel 282. ## physics You throw a 1kg ball out of a window 12 meters above the ground with horizontal speed. It lands on the ground 5 meters from the building after 1 second. Ignore air resistance, A) How fast did you throw the ball? B) What was the ball's initial velocity? C) asked by Geraldo 283. ## Agriculture marketing How can you use the Futures Market Information for “store or not to store” decision when it comes to grains? asked by troy 284. ## physics You throw a 1kg ball out of a window 12 meters above the ground with horizontal speed. It lands on the ground 5 meters from the building after 1 second. Ignore air resistance, A) How fast did you throw the ball? B) What was the ball's initial velocity? C) asked by Geraldo 285. ## physics You throw a 1kg ball out of a window 12 meters above the ground with horizontal speed. It lands on the ground 5 meters from the building after 1 second. Ignore air resistance, A) How fast did you throw the ball? B) What was the ball's initial velocity? C) asked by Geraldo 286. ## MATH Roberta Hernandez sells three items‐A, B, and C in her gift shop. Each unit of A costs her$2  to buy, $1 to sell, and$2 to deliver. For each unit of B, the costs are $3,$2, and $2, respectively, asked by pickle123 287. ## Statistics 9. Assume the weight, W, of a randomly selected adult has a normal distribution with a mean of 175 pounds and a standard deviation of 10 pounds.. Find the probability, P(W < 190), that a randomly selected adult weighs less than 190 pounds. asked by Josh 288. ## Calculus In a healthy person of height inches, the average pulse rate in beats per minute is modeled by the formula 596/(x^.5) for 30 asked by Anonymous 289. ## trig Find the exact values of the inverse function arcsin 1/2 asked by Nick 290. ## math 208 the number N of state and federal inmates in millions during year X, where X> 2002, can be aproximated by the formula N= 0.03x - 58.62. determine the year in which there were 1.5 million inmates asked by Anonymous 291. ## math 208 the number N of state and federal inmates in millions during year X, where X> 2002, can be aproximated by the formula N= 0.03x - 58.62. determine the year in which there were 1.5 million inmates asked by Anonymous 292. ## chemistry A sample of cesium metal reacted completely with water, evolving 47.0 mL of dry H2 at 31°C and 769 mmHg. What is the equation for the reaction? asked by Jessica 293. ## math 208 what year did were there 1.5 million inmates in the state and federal prisions asked by Anonymous 294. ## Chem Can someone explain the difference or how to tell between internal/external standard, standard addition and how it relates calibration standards? asked by Ano 295. ## Finite!!! 9. Roberta Hernandez sells three items‐A, B, and C in her gift shop. Each unit of A costs her$2  to buy, $1 to sell, and$2 to deliver. For each unit of B, the costs are $3,$2, and \$2, respectively,

asked by pickle123
296. ## geometry

An isosceles trapezoid has bases length 19 and 11 centimeters and length 13 centimeters. What is the area of the trapezoid to the nearest tenth?

asked by Ana