Questions Asked on
March 6, 2013

Theoretical&Experimental Probability please help!
Please check my work thanks!! A number cube with the numbers 1 through 6 is rolled. Find the given probability. 1. P(number < 2) (1 point) A. 1/6
asked by Matthew 
Please help check physical science!
Please help check my answers I really want to make a 100%! 1. A mechanical wave moves through a medium, which can be (1 point) A. a liquid. B. a solid. C. a gas. D. all of the above
asked by Matthew 
Math(problem solving)
Four darts are thrown at this dartboard. If all four darts hit the board, how many different point totals are possible? there are 4 circles with point totals: working out from the middle bulls eye.. bulls eye = 9 2nd circle = 7 3rd circle = 4 outter circle
asked by sarah 
math Ms. Sue please ASAP
3. Find the surface area for a cylinder with a height of 24 and a radius of 6. Use 3.14 for pi and round to the nearest whole number. 904 yd^2 1,017 yd^2 1,130 yd^2 2,713 yd^2 4. Find the volume for a cylinder which has a height of 24 and a radius of 6.
asked by Delilah 
Calculus
A jogger runs around a circular track of radius 65 ft. Let (x,y) be her coordinates, where the origin is the center of the track. When the jogger's coordinates are (39, 52), her x coordinate is changing at a rate of 15ft/s. Find (dy/dx)
asked by Anonymous 
calculus
A brick becomes dislodged from the top of a state building (at a height of 1290 feet) and falls to the sidewalk below. (a) Write the position, velocity, and acceleration functions of the brick. s(t) = v(t) = a(t) = (b) How long does it take the brick to
asked by Brandi 
CALCULUS
For some positive constant C, a patient's temperature change, T , due to a dose,D , of a drug is given by T=(c/2D/3)D^2 What dosage maximizes the temperature change The sensitivity of the body to the drug is defined as . What dosage maximizes sensitivity?
asked by Dylan 
math
Tameeka is in charge of designing a school pennant for spirit week. She wants the base to be 3 1/2 feet and the height to be 6 1/2 feet. She has 20 square feet of paper available. Does she have enough paper? Explain. PLEASE HELP!!!!!!
asked by mystery 
Geometry
The height of a parallelogram is 5 feet more than its base. If the area of the parallelogram is 204 square feet, find its base and height.
asked by Eddie 
Calculus
Find constants a and b in the function f(x)=axe^(bX) such that f(1/8)=1 and the function has a local maximum at x=1/8.
asked by Dylan 
math
Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm. 324 cm3 108 cm3 36 cm3 152 cm3 i think it could be d or b im kinda leaning towards d though
asked by question 
english 3
Look up the following words. Give the etymology of each. State what kind of term, such as mathematical, scientific, political science, history, etc. Include the name of the dictionary consulted as well as the publisher and publishing date. ideological:
asked by evelyn 
math
Find the volume of a cone with a radius of 10 mm and a height of 6 mm.? 628 mm3 600 mm3 1,884 mm3 1,254 mm3 is it c
asked by someone 
Science
Explain why it is necessary for phloem to be alive to be functional,whereas xylem can function as dead tissue:
asked by Shane 
physics
if the weight of the block,W,is 2.5 kilogram,the coefficient of static friction,0.25,and the coefficient of kinetic friction,0.15,determine: (a) the force necessary to hold the block sliding down (b) the force necessary to pull the block up the plane with
asked by helpppp meeeeeeee PHYSICS......................... 
algebra one
five times a number decreased by eight is at most ten more than twice the number
asked by brent 
math
Find the volume of a rectangular prism with the following dimensions: Length = 5 mm Base = 7 mm Height = 3 mm 142 mm2 105 mm2 126 mm2 130 mm2
asked by question 
Precaculus
tan4.7 * cot4.7 I understand tan4.7 = 1/ cot 4.7 but I'm stuck after this thanks.
asked by Shadow 
Physics
A proton moves eastward in the plane of Earth’s magnetic equator so that its distance from the ground remains constant. What is the speed of the proton if Earth’s magnetic ﬁeld points north and has a magnitude of 5.2 × 10−5 T? The acceleration of
asked by alice 
mathsperimeter
A Rectangular field 750m long and 450m broad has in the middle of it , road 5m wide running at right angles to each other , one long the length and the other along the breadth . Find the area of the path
asked by anoynomous 
math
1) The hour hand on a clock has a length of 12 cm. Let the orgin be at the center of the clock. a) Sketch the graph of the vertical position of the tip of the hour hand versus the angle through which the hand turns for a time period of 72h. Assume that the
asked by Kristien 
english essay
The second poem I will write about is ‘the conscript’ it was written by Wilfred Gibson in 1917. a law was passed to force men to join up between the ages of 1841 unless they were ill this poems says what you’re really going to expect from the war if
asked by luke 
geometry
State a conclusion that seems reasonable. Donald is older than Jeanette; Donald is older than Ethel. Donald is older than Allen. Conclusion?
asked by liliana 
chemistry
Calculate the hydronium ion concentration and pH in a 0.037 M solution of sodium formate, NaHCO2. hydronium ion concentration i don't understand these
asked by sara 
Chemistry
In the reaction Fe^2O^3+3CO>2FE+3CO^2, what is the total number of moles of CO used to produce 112 grams of iron? Please explain step by step how to do this problem, thanks:)
asked by Unknownn 
Math
A rock band has 5 members, and 2/5 of the members play string instruments. Also, 0.4 of the members sing. Does the band have the same number of string instrument players as singers. I think no. Am i correct? Please explain it.
asked by Dan 
chemistry
The volume occupied by the reaction SiF4(g)+2H2O (g)=SiO2 (s)+4HF (g). is reduced.Predict the direction of shift in the position of equilibrium.Will the shift be in the direction of the more gaseous molecules,or fewer?
asked by Shane 
INTRODUCTION TO CATERING
3. What's the main advantage of establishing peritem prices on an order and pricing form? A. Clients are informed in advance that highcost items should be excluded. B. You can reduce the cost of materials and labor. C. Clients have a way to tailor a
asked by Calvin 
4th grade Algebra
What is another way to write the expression 44n? What is another way to write the expression 44 divided by n?
asked by jared 
Science
If 15gram of potassium trioxochlorate V is heated in the presence of MnO2.What is the mass of chloride produce?
asked by Samuel Wolobah 
Calculus
A rectangular storage container with an open top is to have a volume of 10m^3. The length of its base is twice the width. Material for the base costs $3 per m^2. Material for the sides costs $10.8 per m^2. Find the dimensions of the container which will
asked by Travis 
Algebra
You invest $3700 in an account paying 3.75% interest compounded daily. What is the account's effective annual yield? Round to the nearest hundredth of a percent.
asked by Fannie 
Chemistry
(1)Aluminum reacts with oxygen to produce aluminum oxide according to the following reaction: 4Al(s) + 3O2(g) → 2Al2O3(s) Calculate the moles of Al2O3 produced when the reaction is performed with 31.06 g of each reactant. (2)Nitrogen dioxide reacts with
asked by WCU cats 
algebra
A shipment of 18 cars, some weighting 3000lbs a piece, and the others weighing 5000 lbs each, has a total weight of 30 tons. Find the number of each kind of car. I start of saying X+Y = 18. THen I turn that into X=18Y. whats next?? thank you for helping
asked by Josie 
Math
in division why should the remainder not be greater than the divisor
asked by Sandy 
math
which is correct restatement of 32% a. thirty two b. thirty two tenths c. thirty two hundredths d. thirty two thousandths
asked by mary 
physics
How many revolutions per minute would a 15 diameter Ferris wheel need to make for the passengers to feel "weightless" at the topmost point?
asked by Anonymous 
finance
entrepreneurial finance 4th edition chapter 4 mini case Jen and Larry's Frozen Yogurt Company
asked by angel 
math
two systems of equations are given below for each system, choose the best description of it solution. 1) the system has no solution 2) the system has a unique solution 3) the system has a infinitity many solutions. they must satisfy the following equation
asked by Anonymous 
algebra one
seven more than five sixths of a number is more than negative three
asked by brent 
Finance
P5. Use your knowledge of income statements to fill in the missing items: SALES  $ COST OF GOODS SOLD  $575,000 GROSS PROFIT  $1,600,000 GENERAL AND ADMINISTRATIVE EXPENSE  $200,000 SELLING AND MARKETING EXPENSE  $ DEPRECIATION  $50,000
asked by Rose 
Physics
A polevaulter just clears the bar at 5.34 m and falls back to the ground. The change in the vaulter's potential energy during the fall is 3.8E3 J. What is his weight?
asked by Dee 
physics
The coefficient of volume expansion for iron is 3.6 x 105/Co. If a 17 m long rod of iron is cooled from 100oC to 5oC, what it the new length?
asked by amy 
Physics
A proton moves eastward in the plane of Earth’s magnetic equator so that its distance from the ground remains constant. What is the speed of the proton if Earth’s magnetic field points north and has a magnitude of 5.2 × 10−5 T? The acceleration of
asked by alice 
Math
1) The hour hand on a clock has a length of 12 cm. Let the orgin be at the center of the clock. a) Sketch the graph of the vertical position of the tip of the hour hand versus the angle through which the hand turns for a time period of 72h. Assume that the
asked by Kristien 
Physics
A polevaulter just clears the bar at 5.34 m and falls back to the ground. The change in the vaulter's potential energy during the fall is 3.8E3 J. What is his weight?
asked by Dee 
science
A4.0 uC charge is located0.30m to the left of a +6.0 charge. What is the magnitude and the direction of the electrostatic force on the positive charge
asked by lindi 
Physics
Calculate the ratio of the drag force on a jet flying at 1049 km/h at an altitude of 10.0 km to the drag force on a propdriven transport flying at 560 km/h and at an altitude of 5.00 km. The density of air is 0.380 kg/m3 at 10.0 km and 0.670 kg/m3 at 5.00
asked by Heidi 
science
mara is preparing an experiment using three cups  one made of paper, one of plastic, and one of glass as shown below. she plans pouring 50 ml of hot water from a pitcher into each of three cups and recording the temperatures in 5 minute intervals. what
asked by mary 
Math
Deceleration uniformly, a car traveling 25 m/s takes 10 seconds to come to a complete stop. What is the magnitude and direction of the car's acceleration as it slows down? North at 2.5 m/s (2) South at 2.5 m/s (2) North at 9.8 m/s (2) South at 25 m/s
asked by Anya 
geometry
What's the difference between concurrent lines and intersecting lines
asked by kajal 
MathCalculus
Please Help D:. Min/Max Problems 4. Joan has 50ft of interlocking stone available of fencing off a flower garden in the form of a circular sector. Find the radius of the circle that will yield a flower garden with the largest are if Joan uses all the
asked by Cara 
math
the perimeter of the starfish is 30 centimeters. This original picture is to be enlarged in both dimensions to an image that is similar to the original picture. If the area of the enlarged image is 9 times the area of the original picture, what is the
asked by cee jay 
Math
The area of a rectangle is shown below The area of the rectangle is 56 Which of the following are possible values for the length and width of the rectangle? A.length=6cm and width=9cm B.length=7cm and width=8cm C.length=14cm and width=14cm D.Length=28cm
asked by Jerald 
Math
Your parents took your family to dinner. Your parents wanted to give the waiter a 15% tip. If the total amount of the dinner was $42.00. What should be paid to the waiter as a tip.
asked by Jaz 
science
114.0 g of water is heated using 67.0 W of power with perfect efficiency. Ho long will it take to raise the temperature of the water from 15 C to 25 C?
asked by Bertrand. B 
history
How did Enlightenment thinkers attempt to apply the techniques of the Scientific Revolution to human political and social organizations?
asked by bobby 
civics
At the Constitutional Convention of 1787, a major conflict between the delegates centered on the issue of __________.
asked by bob 
Math
Deceleration uniformly, a car traveling 25 m/s takes 10 seconds to come to a complete stop. What is the magnitude and direction of the car's acceleration as it slows down? North at 2.5 m/s (2) South at 2.5 m/s (2) North at 9.8 m/s (2) South at 25 m/s
asked by Anya 
probability
What is the probability of getting 80% or more of the questions correct on a 10question truefalse exam merely by guessing?
asked by noman 
algebra one
one fourth of a number decreased by three is at least two
asked by brent 
math
Jay is twice as old as Sandy and 2 years younger than Mike. Mike is 7 years older than Sandy. How old is Jay?
asked by tina 
maths
If told that the 3rd term of a GP is 36 and the 8th term is 8748. find the first term and the common ration.
asked by crystal powell 
latin
translate to good enMonete, custodes, militem infelicem. Apud viros avaros hodie est.
asked by missy 
Science
If 15gram of potassium trioxochlorate V is heated in the presence of MnO2.What is the mass of chloride produce?
asked by Samuel Wolobah 
algebra
Abby spent 5 1/2 minutes solving 5 math problems on her homework. How much time did she spend on each problem, on average? show your work.
asked by syram 
Physics
A racquet ball with mass m = 0.224 kg is moving toward the wall at v = 14.8 m/s and at an angle of è = 27° with respect to the horizontal. The ball makes a perfectly elastic collision with the solid, frictionless wall and rebounds at the same angle with
asked by John 
Physics
How much heat must be removed when 25 grams of steam at 100°C Is condensed to form liquid water at 100°C?
asked by tasha 
Physics
A polevaulter just clears the bar at 5.34 m and falls back to the ground. The change in the vaulter's potential energy during the fall is 3.8E3 J. What is his weight?
asked by Dee 
science
Explain what is meant by source to sink flow in phloem transport.
asked by Shane 
math
A circular pool has a diameter of 12 feet. The pool is 5 feet deep everywhere. How much water is needed to fill the pool?
asked by Jane 
mathsgeometry
Construct ∆ABC, AB=6cm, BC=9cm,CA=8cm. construct tangents from the vertex C to the circle through AB as the diameter
asked by anoynomous 
QSO 51O
The Newox Company is considering whether or not to drill for natural gas on its own land. If they drill, their initial expenditure will be $40,000 for drilling costs. If they strike gas, they must spend an additional $30,000 to cap the well and provide the
asked by Anonymous 
math
Find the volume of a rectangular prism with the following dimensions: Length = 5 mm Base = 7 mm Height = 3 mm 142 mm2 105 mm2 126 mm2 130 mm2
asked by question 
Trigonometry
Use inverse trigonometric functions to find the solutions of the equation that are in the given interval, and approximate the solutions to four decimal places. (Enter your answers as a commaseparated list.) 10 sin^2 x = 3 sin x + 4; [0, 2π)
asked by Katlynn 
algebra
an investment of $50,000 was made by a busines club. the investment was split into three parts and lasted for one year.the first part of the investment earned 8% interest, the second 6%, and the third 9%. total interest from the investments was $3960. the
asked by mike 
chemistry
Calculate the percent recovery of copper if: 7.26 g is the initial amount and 8.61 g is the amount recovered?
asked by Anonymous 
3rd math
Rick multiplied 53 x 7 and got a product of 351.Is Rick correct?explain why or why not.
asked by Lize 
chem
select the stronger base. how do i know this? 1.SeO42− or SO42− 2.BrO− or BrO2−
asked by sara 
Finding OH,H3O+, pH, and pOH?
Hi! I am very stuck with these problems. I have tried to solve for each of these values, but I keep getting the answers wrong. Q: For each of the following strong base solutions determine OH, H3O+, pH, and pOH: 8.66×10−3 M LiOH 1.15×10−2 M Ba(OH)2
asked by Amy 
Physics
An elevator is moving down with an acceleration of 1.40m/s^2.A 14.5kg block hangs from a spring balance fixed to the roof of the elevator.What is the apparent weight of the block?
asked by Naesha 
geometry
a graph shows vertices L and N of rhombus LMNO. which of the following ordered pairs represents a location for vertx M and vertex O that wiill not make rhombus LMNO? A. (2,2) and (6,2) B. (2,1) and (6,1) C. (0,2) and (8,2) D. (9,2) and (1, 2)
asked by linda franklin 
statistics
In a survey randomly selected subjects, the mean age of the 36 respondents is 40.0 years and the standard deviation of the ages is 10.0 years. Use these sample results to construct a 95% confidence interval estimate of the mean age of the population from
asked by Anonymous 
Math
The triangle below has a height of 12 feet and a base of 9 feet. What is the area of the triangle? A.108 B.54 C.21 D.30 B? If the area of a square is 81 square meters which formula would you use to calculate the perimeter of the square? A.p=lxw B.p=s+s
asked by Jerald 
life orientation
Human factor that causes ill health,crises and disasters in community and recommendations on how to address the the factor
asked by cruzer mathe 
Math
The Wilson family is at it again.. they are installing new carpet for their home. Their rectangular shaped living room is 25 feet long and 18 feet wide. THeir rectangular shaped game room is 4 feet shorter in both length and width of their living room.
asked by Jerald 
Algebra
Find the missing coordinate to complate the orderedpair solution to the given linear equation. 9y+7x=63 (a) (9,0) (b) (? ,7)
asked by 1234 
Science
Describe two features of internal anatomy that distinguish monocot and dicot roots.
asked by Shane 
physics
A strong electromagnet produces a uniform field of 1.31 T over a crosssectional area of 0.195 m2. A coil having 245 turns with a total resistance of 16 is placed around the electro magnet, and the current in the electromagnet is turned off, reaching zero
asked by Anonymous 
math
A 12ounce soda can is 5 inches tall and 2.5 inches across. How much soda can it hold if it is completely full? Round your answer to the nearest tenth of a cubic inch
asked by Anonymous 
math
The staff at the pretzel shop bakes eight trays of twelve pretzels each every hour. If the staff works eight hours a day, how many pretzels do they bake a day?
asked by Anonymous 
English
1.The elderly man ____in the easy chair,talking to a friend (sit sits) sits 2.The boys _____ the craftman make a chair (Watch watches) watch 3.Katherine and Thomas ___ at the amusing story (laugh laughs) laugh 4.That successful author ___ to write another
asked by Jerald 
Finance
P2. Use your knowledge of balance sheets to fill in the missing amounts: Assets: CASH  $10,000 ACCOUNTS RECEIVABLE  $100,000 INVENTORY  $ TOTAL CURRENT ASSETS – $220,000 GROSS PLANT AND EQUIPMENT – $500,000 LESS: ACCUMULATED DEPRECIATION $
asked by Rose 
physics
A capacitor consists of two concentric spherical shells. The outer radius of the inner shell is a=0.76 mm and the inner radius of the outer shell is b=3.31 mm . (a) What is the capacitance C of this capacitor? Express your answer in Farads. unanswered (b)
asked by s 
Science
Why does friction never speed an object up?
asked by Curious 
Chemistry
Why is why is CH4+2O2 > CO2+2H2O very slow at room temperature?
asked by Emily 
chemistry
If the temperature of the system PCl5 (g) =PCl3 (s) + Cl2 (g) + 92.5 kj. is increased, predict the direction of th Le Chatelier's shift.
asked by Shane 
math
A 6 ft pole casts a shadow of 8ft long while a nearby flagpole casts a shadow of 56 ftlong. What is the height of the flagpole?
asked by Anonymous 
Physics
Two blocks with masses m1 = 1.40 kg and m2 = 3.00 kg are connected by a massless string, as shown in the Figure. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.390.In the figure m1 is on top of
asked by Heidi 
maths
A light air craft takes off flying die north then turns and flies 11 000 metres due west.The plane then has a bearing of 340 degrees from its starting point.For what distance did it fly due north?
asked by Shane 
Physics
A polevaulter just clears the bar at 5.34 m and falls back to the ground. The change in the vaulter's potential energy during the fall is 3.8E3 J. What is his weight?
asked by Dee 
Physics
A block with mass m = 16.1 kg slides down an inclined plane of slope angle 24.3o with a constant velocity. It is then projected up the same plane with an initial speed 3.35 m/s. How far up the incline will the block move before coming to rest?
asked by Heidi 
English
Are all of these 10 sentences about a neighborhood have subject and verbs that agree? 1. I see people jog around my neighborhood. 2.My friends and I go to the park in our neighborhood. 3.My neighborhood is quiet. 4.I see parents walking their dogs. 5.I see
asked by Jerald 
Math
If 10 jugs of H2o fill 5/8 of a bucket. Another 4 jugs and 5 cups of H2o are needed to fill the remaining parts of buckets. How many cups of H2o can fill a bucket?
asked by Tina 
mAth
story: Diego is building an architectural rendering of a house. For a portion of the roof, Diego cuts and folds a net for a triangular prism. the base of the prism is an isoceles triangle. the triangle has a base of 24 inches and a height of 5 inches. the
asked by MaRk 
math
a graph shows vertices L and N of rhombus LMNO. Which of the ordered pairs represent a location on vertex O that will not make rhombus LMNO?
asked by linda frankllin 
math
A telephone pole is 55 feet tall. Jeri stands in the shadow of the pole. She is 66 inches tall, gut her shadow is 12 feet long. How far away from the telephone pole is she standing?
asked by Fred 
Trigonometry
Use inverse trigonometric functions to find the solutions of the equation that are in the given interval, and approximate the solutions to four decimal places. (Enter your answers as a commaseparated list.) cos(x)(9cos(x) + 4) = 4; [0, 2π)
asked by Katlynn 
math
Find three consecutive intergers whose product is 33 larger than the cube of the smallest integer.
asked by Josh 
Calculus
Find relative maxima and minima of g(x)= 2x^2+ 4000/x +10
asked by Cam 
civics
Which of the following most accurately describes the right of American citizens to privacy? A. the right to privacy is determined entirely by the states on a casebycase basis B. the right to privacy is explicitly granted in the Constitution C. the
asked by gretchen 
Science
If 15gram of potassium trioxochlorate V is heated in the presence of MnO2.What is the mass of chloride produce?
asked by Samuel Wolobah 
Physics
A capacitor of a capacitant is subjected to 2000V of p.d across its terminal. Calculate the energy stored in the capacitor?
asked by Ollyjay 
Chemistry
If 15gram of potassium trioxochlorate V is heated in the presence of MnO2.What is the mass of chloride produce?
asked by Samuel Wolobah 
chemistry
A nitric acid solution of unknown concentration is used to titrate 0.771g of sodium tyrosinate (NaC9H10NO3). If the endpoint is reached when 32.79mL of nitric acid has been added, what is the concentration of the unknown nitric acid solution?
asked by Anonymous 
Sociology
What aspects of the environment and society do sociologists study? (How is studying the environment part of the sociological perspective?)
asked by Taylor 
Physics
What must the critical angle be if light transmits from diamond into water?
asked by John 
algebra one
twice the difference of a number and four is less than the sum of the number and five
asked by brent 
algebra one
the sum of a number and fourteen is less than or equal to three times the number
asked by brent 
physics
calculate the current in the secondary coil when the current in the primary coil is 0.50 A. there are 200 turns in the primary coil and 3000 turns on the secondary. the input voltage is 55 v
asked by physics help? 
math
a movie theater has 250 seats. One hundred tickets have been sold. What percent of fhe theater is filled?
asked by jess 
Pleass Help With MATH
Read this story to answer the following questions: Diego is building an architectural rendering of a house. For a portion of the roof, Diego cuts and folds a net for a triangular prism. the base of the prism is an isoceles triangle. the triangle has a base
asked by Mark 
physics
Why are the shaving mirror concave while the rear view mirror convex? Draw the ray diagrams to support your answer.
asked by ranvijay 
Calculus
An ocean oil well is leaking oil into the ocean at a rate of 1 m3/hr resulting in an oil slick in the form of a circular disk (like a quarter or dime). If the slick remains in the shape of a disk with a constant thickness of 1/100 m as the disk expands,
asked by Jake 
Math
In the word Symmetry, which letters are symmetrical?
asked by Sally 
physics
A vehicle with a mass of 2 tons travels on a horizontal road at a speed of 126km/h.The driver notices a donkey at the side of the road and decides to reduce speed. The brakes are applied and the vehicle slows down to 72km/h after 5 seconds. Calculate the
asked by leslie 
Trigonometry
Use inverse trigonometric functions to find the solutions of the equation that are in the given interval, and approximate the solutions to four decimal places. (Enter your answers as a commaseparated list.) 10 sin^2 x = 3 sin x + 4; [0, 2π)
asked by Katlynn 
fractions
Eric and frank want to share 1and 1/3 feet of rope . What length of rope should each friend get?
asked by mateo 
chemistry
The system H2 (g) + 3N2 (g) = NH3 (s) is at equilibrium.Use Le Chatelier's principle to predict the direction in which the equilibrium will shift if the ammonia is withdrawn from the reaction chamber.
asked by Shane 
Physics
A polevaulter just clears the bar at 5.34 m and falls back to the ground. The change in the vaulter's potential energy during the fall is 3.8E3 J. What is his weight?
asked by Dee 
math
The scale factor of 2 similar polygons is 3:4. If the perimeter of the large polygon is 200, what is the perimeter of the small polygon?
asked by sam 
ap chemistry
If 310mL of 2.2molar HCl solution is added to 135 mL of 3.6 molar Ba(OH)2 solution, what will be the molarity of BaCl2 in the resulting solution? Answer in units of M
asked by cheri 
stats
The rate of chlamydia infection was reported as 2.78% in a recent year. Under certain conditions, a preliminary screening test for the chlamydia bacterium is correct 96% of the time. One person is randomly selected from the population. find the true
asked by mark 
Analytical Chemistry
How many milliliters of 0.202 M KOH should be added to 500.0 mL of 0.0233 M tartaric acid (C4H6O6; FW 150.087) to adjust the pH to 2.75? Ka1 = 1.0 x 1013 and Ka2 = 4.6 x105. I ended up with KOH mL being about 1.5mL. The equiv. point would be around 57mL.
asked by Micki 
science
a man pushes a lawnmower of mass 50kg at a constant velocity over a horizontal lawn.he exerts a push of 200n on the handle a t angle of 60 to the horizontal..Dertemime the vertical componet of this force and determine the horizontal component of this force
asked by fulufhelo 
mathsequation
Six persons initiated a campiagn against child labour. Each time they visit a new locality, two persons join them in the campaign from that locality. Taking x as the no. of localities and y as the total no. of persons, form a linear equation in two
asked by anoynomous 
Math
You are in a car of a ferris wheel. The wheel has a radius of 8m and turns counterclockwise. Let the orgin be at the center of the wheel. Begin each sketch in parts a) and b) when the radius from the centre of the wheel to your car is along the positive
asked by Kristien 
physics
Given circuits for f and f−1, we can create classical reversible circuits Rf, R−1f, Rf−1, R−1f−1 which are shown in the following figure. (Assume that f is a bijection.)In what sequence shall we apply the above circuits in order to implement a
asked by s 
physics
The units of heat are equivalent to those of which one of the following quantities?
asked by amy 
Math
What is the coffient of the variable 2x+17y
asked by Lethabo 
....
what is the southernmost city listed on the map a. Richmond b.San Jose c.Detroit d.Houston
asked by mary 
Calculus
An ocean oil well is leaking oil into the ocean at a rate of 1 m3/hr resulting in an oil slick in the form of a circular disk (like a quarter or dime). If the slick remains in the shape of a disk with a constant thickness of 1/100 m as the disk expands,
asked by Jake 
Chemistry
If 15gram of potassium trioxochlorate V is heate in MnO2.What is the mass of chloride produce
asked by Samuel Wolobah 
probability
What is the probability of getting 80% or more of the questions correct on a 10question truefalse exam merely by guessing? probability  Damon, Wednesday, March 6, 2013 at 2:53am Binomial distribution with p = .5 p(10 right) = c(10,10) .5^10 (.5)^0
asked by noman 
mathstriangles
In DABC,∠Q >∠R, PA is the bisector of ∠ QPR and PM is perpendicular to BQ. Prove that ∠APM = half of ( ∠Q  ∠R )
asked by anoynomous 
Physics
An unknown material is submerged in a fluid with an index of refraction of 1.33. If a ray of light is incident on the block at 45degrees and the angle of refraction is 30degrees. What is the index of the unknown material?
asked by Rebecca 
algebra one
four more than the quotient of a number and three is at least nine
asked by brent 
Biology
all members of a particular species that live in the same area are called.... plz help me i think the answers is population.. is that right??????
asked by ME! PLZ HELP 
algebra one
negative three times the number plus four is no more than the number minus eight
asked by brent 
math
this was emily's full day yesterday: she spent 8 hours sleeping, 1 hour in the shower, 6 hours in class, 2 hours eating and snacking, 4 hours studying, and 3 hiurs watching tv. What percent of her day was spent studying.
asked by jess 
Math
At present a woman is twice as old as her daughhter, twenty one years ago she was 3 times older than her daughter Hint: ket x be the daughters current age
asked by Heleny 
Physics
An object with mass 5.0 kg is attached to a spring with spring stiffness constant 192 N/m and is executing simple harmonic motion. When the object is 0.35 m from its equilibrium position, it is moving with a speed of 0.02 m/s. Calculate the amplitude of
asked by Anonymous 
business math
Change to the decimal degree equivalent. Round to the nearest tenthousandth if necessary. 47' I have no idea how to do this.
asked by tmouery 
language arts
Which of the following sentences uses commas with appositives correctly? 1)Mr. Van Daan’s son, Peter, spent a lot of time with Anne. 2)Margot, Anne’s sister is the oldest. 3)Miep the one who helped them, stopped coming. 4)Mrs. Van Daan the selfish
asked by lilly 
Math
The price of an electric fan increased by 25% to $48.75. Find the original price of the fan.
asked by Jaz 
english
which is correct? shier or shyer???? HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
asked by Anonymous 
Story ( english)
Princess bride Fezziks conflict and character arc? Westlys related theme Buttercups symbols
asked by Mia 
Algebra
find the solution set for x^2=64x
asked by Anonymous 
chemistry
What is the pH of pure water in equilibrium with 1 atmosphere of carbon dioxide at 25˚C? (Hint, what does 1 atmosphere of CO2 mean?)
asked by Jeremy 
science
what are three states of matter
asked by jessica 
Physics
We use a wrench to turn nuts on bolts because they require less force. Consider a hexagonal nut 1 cm in diameter. We can tighten this nut with one of two wrenches, wrench A with lever arm 10 cm and wrench B with lever arm 20 cm. Both wrenches have a very
asked by Tony 
Literature
I'm doing a literary analysis of Mark Twain's "The Private History of a Campaign that Failed" and I'm having a hard time coming up with a good these statement... Any suggestions?
asked by Andrew 
Dressmaking
Ms. Troy would like a copy of an outfit she owns and really likes
asked by Anonymous 
Chemistry
You have 10.0 L of 1.2 M KNO3. What molarity would the KNO3 solution be if you were to take 2.5 L of it and dilute it to 10.0 L?
asked by Kay 
math
A building casts a 20 ft shadow. At the same time, a nearby 10 ft maple tree casts a shadow of 8 ft. What is the height of the building?
asked by Anonymous 
Help Please Fast?
Which of the following elements is a nonmetal? Fe Li Cl Si
asked by Kaelyn 
Physics
A polevaulter just clears the bar at 5.34 m and falls back to the ground. The change in the vaulter's potential energy during the fall is 3.8E3 J. What is his weight?
asked by Dee 
math
A penguin swimming with the ocean current in search of food takes 1 hour to travel 9 miles. Its return trip upstream to its starting point takes it 3 hours, What is the penguin's speed in still water? Thanks.
asked by Beth 
math
Malcom designed the roof plan of a house and implement shed. The dimensions of the house's roof are 25 ft wide by 40 long. The length of the shed's roof is 140 feet. If the two shapes are similar, what is the width of the shed's roof?
asked by Fred 
English
Can you explain to me how this sentence uses cakes instead of cake? The fresh (cake cakes) tastes delicious
asked by Jerald 
statistics
Assume that we collect a large (n>30) simple random sample of annual incomes of adults in the United States. Because the sample is large, can we approximate the distribution of those incomes with a normal distribution ? Why or why not?
asked by Anonymous 
Chemistry
Given the following chemical reaction what is the bond enthalpy of OH 4NH3 3O2 yields 2N2 6H20 Change H 1266 kJ NH equals 389 O O equals 498 and N N equals 941 3
asked by Anya 
READING/LANGUAGE ARTS
I need an example of personification with the word MOURNING. plzz !
asked by Gigi 
College Mathematics
write the statement in symbolic form. Let p: the temperature is 90 degrees Let q: The air conditioner is working r: the apartment is hot. If the apartment is hot and the air conditioning is working, then the tempurature is 90 degrees.
asked by Lisa 
Finance
Suppose you own $1 million worth of 30year Treasury bonds. Is this asset riskless?
asked by valerie 
math
a motorboat takes 5 hours to travel 45km downstream and then 18 km upstream on a river whose current flow of the rate of 3 km/hr. how fast can the boat travel in still water?
asked by sofia 
math
the perimeter of a rectangle is 40 feet and its area is 96 square feet. find the length and width?
asked by anne 
math
Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm. 324 cm3 108 cm3 36 cm3 152 cm3 miss sue do you think it could be c
asked by . 
calculus
Let f(x)=ax^3+6x^2+bx+4. Determine the constants a and b so that f has a relative minimu at x=1 and a relative maximumat x=2.
asked by Cam 
geometry
How can 3 noncollinear points determine a plane
asked by kajal 
READING/LANGUAGE ARTS
I need an example of HYPERBOLE with the word CLOMPED. plzz !
asked by Gigi 
math
40 is 42% of what number? (set this up with a variable,simplify)
asked by Shorty 
Math
What is the coffient of the variables 2x+17y=
asked by Lethabo 
math 6
write an expression in terms of x for the perimeter of an isosceles triangle with 2 sides of 6 cm and a third side of 2x cm.
asked by Jeremy 
Physical Science
A sedan weighing 4000 pounds travelling at 30mph collides head on with a compact car weighing 2000 pounds and travelling in the opposite direction at 45 mph. What is the resultant velocity of the combined vehicles?
asked by Jessica 
math
what is 31/3 simplified by idk(im in 5th grade)
asked by aalaiyah 
homework
All of the following are characteristics of an effective study environment EXCEPT: A. a relaxing area such as your bedroom. B. comfortable and balanced temperature. C. ample amounts of natural light. D. a desk stocked with supplies. I think its D
asked by A.J 
compound inequality
solve the compound inequalities show all math work arriving at the solution display a simple line graph 1x>3 or 5x1>19
asked by Anonymous 
READING/LANGUAGE ARTS
I need an example of IDIOM with the word EXECUTIONER. plzz !
asked by Gigi 
math
A telephone pole is 55 feet tall. Jeri stands in the shadow of the pole. She is 66 inches tall, gut her shadow is 12 feet long. How far away from the telephone pole is she standing?
asked by Jacki 
Homework
Sarah sets aside time every night to read some pages in her history book. She schedules a break into her study time. Why is this not an effective study plan? A. Her scheduled break is not long enough. B. The task is not concrete or specific enough. C. The
asked by A.J 
Please help math
A telephone pole is 55 feet tall. Jeri stands in the shadow of the pole. She is 66 inches tall, gut her shadow is 12 feet long. How far away from the telephone pole is she standing?
asked by Jacki 
Chemistry
If 15gram of potassium trioxochlorate V is heated in the presence of MnO2.What is the mass of chloride produce?
asked by Samuel Wolobah 
Physics
A 79.4Ω and a 47.7Ω resistor are connected in parallel. When this combination is connected across a battery, the current delivered by the battery is 0.296 A. When the 47.7Ω resistor is disconnected, the current from the battery drops to 0.126 A. (a)
asked by ann 
READING/LANGUAGE ARTS
I need an example of IDIOM with the word EXECUTIONER. plzz !
asked by Gigi 
math
solve the following system of equation 8x+9y=19 3x+7y=24
asked by please 
science
Describe two differences between xylem and phloem.
asked by Shane 
Statistics
Using the following Minitab output write the straight line (least squares) equation and the correlation coefficient. The regression equation is Sales = 27.2 + 0.252 Exp Predictor Coef SE Coef T P Constant 27.195 5.781 4.70 0.005 Exp 0.2517 0.4201 0.60
asked by BettieLee 
trig
The radian measure of an angle of 182 degrees is ?
asked by tyler 
Wilson Central
Find the circumference of a medium pizza that has a diameter of 12 inches.
asked by Abby 
Physics
How much work must be done on a 500kg car to accelerate it from 29km/hr to 112km/hr?
asked by Rita 
algebra one
four times the sum of a number and two increased by three is at least twenty seven
asked by brent 
English
Correct the word in () in each sentence below so that the subject and verb are in agreement 1.We (sees) the Golden Gate Bridge. see 2.(Bird) fly south for the winter. Birds 3.The bed (sit) below the window. sits 4.(They) adds the numbers on a calculator.
asked by Jerald 
math
kevin drew a scale drawing of his living room,The actual room is 16 feet long.If the room is 12 inches long in the drawing,what is the scale of the drawing?
asked by bob 
Math
A man is currently 4 times as old as his son. In 4 yrs from now hell be 3 times as old as his son will be then. How old is his son now??
asked by Heleny 
Applied Calculus
Find the absolute maximum and absolute minimum values, if any, of the function. (If an answer does not exist, enter DNE.) h(x) = x3 + 3x2 + 4 on [−3, 2]
asked by Jacob 
Math
Hello there! Could You please help me with this Geometry word problem? Here's the problem: Helen painted a picture that was 10 inches longer than it was wide. When she framed the picture, the outside dimensions (that is, the length and the width) were each
asked by Beth 
Math
Hello there! Could You please help me with this Geometry word problem? Here's the problem: Helen painted a picture that was 10 inches longer than it was wide. When she framed the picture, the outside dimensions (that is, the length and the width) were each
asked by Beth 
Math
There are 30 sultry dents in the class. 20% of the students received an A on the last math test. How many students received an A?
asked by Leslie 
Math
Adam uses 1/6,1/3and 2/5 to make a circle graph an colored each a different color. What fraction of the graph is not colored? Explain your answer.
asked by Emma 
mat119
Greg Tobin sells bottled water. He has found that the average amount of time he spends with each customer is related to his weekly sales volume by he function f(x)=x(60x), where x is the number of minutes per customer and f(x) is the number of cases sold
asked by yaniris 
Trigonometry
Use inverse trigonometric functions to find the solutions of the equation that are in the given interval, and approximate the solutions to four decimal places. (Enter your answers as a commaseparated list.) 10 sin^2 x = 3 sin x + 4; [0, 2π)
asked by Katlynn 
science
Name three environmental conditions that increases the rate of transpiration in plants,explaining how they operate:
asked by Shane 
math
A telephone pole is 55 feet tall. Jeri stands in the shadow of the pole. She is 66 inches tall, gut her shadow is 12 feet long. How far away from the telephone pole is she standing.
asked by Don 
calculus
Find the partial fractions for (3x^27x+12)/(x2)(x^22x+5)
asked by Joseph79 
arithmetic
the sum of two distinct numbers is 20,and their G.M is 6. find the numbers
asked by ash 
english
According to Jean Piaget, in what is all learning based? A. Sensorimotor learning B. Preoperational learning C. Concrete operational learning D. Formal operational learning 2. Which of the following questions is a thinker/doer most likely to ask? A. Why?
asked by vikki 
math
If my yard stick casts a shadow of 20inches .holl tall is a flagpole that casts 25ft shadow
asked by trevon 
Math
The Wilson family is putting in a game court in their backyard. The backyard measures 80 feet by 40 feet. The game court will cover 1/5 of the backyard. What is the area of the court? A.640 B.120 C.3200 D.Not here Do I multiply 80 and 40? If I do, what do
asked by Jerald 
math
28 kids were waiting at a bus stop.19 kids went to play.How many kids are waiting at the bus stop?
asked by mateo 
Calculus Optimization Problem
Find two positive numbers whose sum is 15 such that the product of the first and the square of the second is maximal. I came up with this so far: x + y = 15 xy^2 is the maximum derivative of xy^2= 2xyy' + y^2 Now how do I solve this ^ after I set it to
asked by Mary 
chem
How many milliliters of 0.762 M H3PO4 are required to react with 243 mL of 0.159 M Ba(OH)2 if the products are barium phosphate and water?
asked by josselyne 
math
3 out of 7 nickles are lost. what's the percentage
asked by Adrienne 
physics
A vehicle with a mass of 2 tons travels on a horizontal road at a speed of 126km/h.The driver notices a donkey at the side of the road and decides to reduce speed. The brakes are applied and the vehicle slows down to 72km/h after 5 seconds. Calculate the
asked by leslie 
Science
A box that is initially at rest is pushed by a person at an angle 0 with a force F until it reaches a speed of v. The coefficient of kinetic friction between the box and the surface is U. Is this: work done by person equal to magnitude of friction F work
asked by Anya 
chemistry
how many grams of h2 are required to produce 11/4000
asked by mandlonke 
math
a rectangular 10 t measures 54 meters in perimeter and 180 square meters in area. what are its length and width respectively?
asked by roselyn 
math
3 out of 7 nickles are lost. what's the percentage
asked by Adrienne 
math
the sum of the square of two consecutive positive integers is 265.what are the integers?
asked by cecel 
Algebra 1 Part2
Simplify the radical expressions: (1).sqrt75+sqrt3 (2).sqrt7(sqrt14+sqrt3)
asked by Karen 
Maths
In angle ABC,angle A=angle B=32degree and AB=108 mm,find the perpendicular height from C to the baseAB.
asked by Shane 
number lines
can someone show or tell me how x>4 and 2,4 looks are should be written on a number line
asked by Anonymous 
Algebra 1Part2
Divide 3n^2n/n^21/n^2/n+1
asked by Karen 
algebra
Convert the credit card rate to APR , Oregon, 2 1/4 per month
asked by Denise 
reading
The ideal study plan includes which of the following? A. An elaborate study environment. B. Quality preparation. C. Use of as much different intelligence as possible. D. Both A & C. I think its D
asked by A.J 
integrated algebra
What is the rebound height of a ball dropped from 275 cm
asked by cayla 
Maphokwane high school
What according to the basic condition of employment act applies with regard to the contravention that you've identified?
asked by Dercia 
Algebra 1 Part 2
Divide 3n^2n/n^21/n^2/n+1
asked by Karen 
Algebra 1Part2
Divide 3n^2n/n^21/n^2/n+1
asked by Karen 
math
Write the value of 8 in digit # form 15.285
asked by Gio 
math
A telephone pole is 55 feet tall. Jeri stands in the shadow of the pole. She is 66 inches tall, gut her shadow is 12 feet long. How far away from the telephone pole is she standing?
asked by Jane 
Algebra
A state's license plates consist of four letters followed by three numerals, and 241 letter arrangements are not allowed. How many plates can the state issue?
asked by Bo 
physics
A car with a weight of 5000.0 N is accelerated across a level surface at 2.5 m/s^2. What is the net force acts on the wagon? (g= 9.81 m/s^2)
asked by Lisa 
algebra I
how do I solve for 16x^2+56x120
asked by Julia 
Social studies
what are the 50 us states postal abbreviations and state numbers?
asked by Alex 
physics
Suppose H⊗3ϕ⟩=12√(000⟩+111⟩). What is ϕ⟩? Specify the probability amplitude for each component:
asked by s 
science
The driving pulley of a motorbike rotates at 3 r/s and has a diameter of 300mm. The pulley exerts an effective force of 2000N at a point on its periphery. Calculate the turning moment and the power in Kw .
asked by leslie 
Lowther
Use the numbers 1,2,3 and 4 in that orders with +, , x or division signs to create a sum that equals 32
asked by Jacinta 
Integrated Science
What is the acceleration of a car when the engine exerts 20000 N of force, road friction is 10000 N and the mass of the car is 2000 kg?
asked by Tonya Jones 
math asap
4{100[92(106)]}
asked by noahc 
Math
(3936+16)9 ÷ (1264)
asked by noahc 
Marketing
what are some implication for international marketing of changing exchanges rate
asked by Kzee 
Cultural Anthrolpogy
The field of computer technology could be used to illustrate that culture is
asked by Anna 
math help
solve the following system 8x+19=19 3x+7y=24
asked by please 
english
does this sound right?????? 'Have a better life with a dog.'
asked by Anonymous 
Physics
Two parallel plate capacitor of capacitant, two microfarad &three microfarad are connec ted in parallel and d combination is 50V direct current. Draw d circuit diagram of arrangement and determine d following (i)charge on either plate of each capacity.
asked by Ollyjay 
Math
Mr lopez is putting up fence around his garden that is the shape of a rectangle,if the longer sides is 14 feet and the shorter sides is 9 1/2 feet long ,how much fencing should he buy.
asked by Tim 
reading
Bob Pennons the cowboy. Make inferences. How to do.
asked by cole 
Polynomials
solve (2x)/(x^2 + 2)
asked by Jeconiah 
Geometry
Let G be a rectangular grid of unit squares with 3 rows and 8 columns. How many selfavoiding walks are there from the bottom left square of G to the top left square of G?
asked by John 
English
Request for feedback on CAUSE essay. Please give input on below essay: “I ran three miles, staggered into the lobby, and took the elevator to my apartment, no use overdoing this exercise junk.” Janet Evonovich About 40% of Americans report that they
asked by BL 
Geometry
A circle \Gamma cuts the sides of a equilateral triangle ABC at 6 distinct points. Specifically, \Gamma intersects AB at points D and E such that A, D, E, B lie in order. \Gamma intersects BC at points F and G such that B, F, G, C lie in order. \Gamma
asked by John 
Math
1cos(power 2)x / sinX
asked by Flames 
Math
The circumference of this circle is approximately 66 inches what is the radius of the circle? A.33 B.22 C.11 D.Not here Is it C?
asked by Jerald 
Calculus
The location of a dot P at a given time t in the xy plane is given by (x,y) = (t  sin t, 1  cos t). What is the distance traveled by P in the interval 0
asked by Tony 
Calculus Derivative
I'm trying to calculate the derivative of this: P= mv/ sqrt(1v^2/c^2)where m and c are constants, and v depends on t. I know about the chain and product rules but I'm not even sure where to start. :/ Thank you for your help.
asked by Mary 
Trigonometry
Let S be the sum of all the possible values of sin x that satisfy the following equation: 52cos^2(x)7sin(x) = 0 S can be written as a/b, where a and b are coprime positive integers. What is the value of a + b?
asked by Tony 
algebra
the length of a rectangle is represented by 36x^4y^3 and the width is 4xy. What is the area of x?
asked by CeCe 
math
a piece of rope 80 centimeters long must be cut into 2 pieces. Each piece of rope will be used to form a rectangle. Where would the rope be cut if the area of 1 rectangle must be 1/4 the area of the other rectangle
asked by rich 
Physics
A ray of light in air has an angle of incidence to the normal of 45° into a piece of glass (1.5). What is the angle of refraction?
asked by Arnold 
Math
Thank you Ms. Sue. Sorry I didn't tell you we're just learning that pi=3 for now. It made everything complicated for you to check if my answers were correct. :P But what is this formula usually used for?Diameter=Circumference/π? Is it used to find the
asked by Jerald 
algebra one
twice the sum of a number is less than twelve
asked by brent 
math
Carlos earns $450.00 per week as a paralegal. He is in the 15% tax bracelet. How much of his annual income is withheld for taxes?
asked by Anonymous 
Physics
You are standing on top of a building that is 75m high and you throw a 4kg stone horizontally at a speed of 6.6m/s. How far from the base of the building will the stone land? (the ground is flat)
asked by Leah 
English
Circle the words in () below that makes the subject and verb of the sentence agree 1.The cake (mix mixes) looks too thing mix 2.Your dog (bark barks) at night barks 3.Milt(like likes) the high jump likes 4.Our (forest forests) provide a home for many
asked by Jerald 
3rd math
What is the greatest product you can make by multiplying a 3 digit number by a 1digit number?what were your factors?
asked by Lize 
algebra one
the sum of twelve ans a number is no greater than the sum of twice the number and 8
asked by brent 
math
The high temperature in a city one day was 2,6 degrees Celsius. The low temperature was 2.8 degrees celsius. What was the temperature range in the city that day? show your work.
asked by syram 
math
Identify the property or rule that justifies each tep in the calculation. 4/7k+(j+1/7k)
asked by syram 
math
Identify the property or rule that justifies each step in the calculation. 4/7k+(j+1/7k)
asked by syram 
Math
The height of a parallelogram with an area of 300 square yards and a base of 15 yards and 1 more question A rectangle has verticles W(2,3) X (2,6) Y(7,6) and Z(7,3) Describe how to find the side lengths of the rectangle without graphing
asked by Dj 
English
For each sentence below write the verb that agrees with the subject. 1.Plants ___ thickets along the edges of tropical forests.(grow grows) grow 2.The tropical forest____ warm and humid.(remain remains) remains 3.The trees____ year round (grow grows) grow
asked by Jerald 
math
what does this mean...DESCRIBE THE FUNCTION Y EQUAL 5 TIMES
asked by mia 
science
is the use of cadavers a positive thing for society
asked by kelly 
math
the cost of a texi in NYC is $ 3.40 for each 1/5 miles
asked by taslima 
math
Identify the missing addend in 3.58n+____= 0 Explain how you determined your answer.
asked by syram 
History ss
What peon assumptions bout africans does the atlantic slave trade show?
asked by Heleny 
Sociology
Discuss the causes of social change.
asked by Katy 
history
Among instances of corporate malfeasance in the early twentyfirst century, the _______ scandal was the most shocking and economically damaging for employees and shareholders.
asked by Lica 
trigonometry
Express in radians the period of the graph of the equation y = 1/3(cox^2 xâˆ’sin^2 x).
asked by noman 
pre ap chem
determine the partial pressure of hydrogen if it's collected over water at 23 degrees celsius and the system has a total pressure of 724 mmHg then determine the mole fraction of water vapor in the system
asked by g 
Sociology
Discuss the relationship among gender, ethnicity, and social class. How do sociologists see the connections and stratification among these areas in our society?
asked by Katy 
Business Statistics
1. Suppose that the mean of the annual return for common stocks from 1950 to 2012 was 9.4%, and the standard deviation of the annual return was 17.5%. Suppose also that during the same 62year time span, the mean of the annual return for longterm
asked by Michelle 
math
Identify the property or rule that justifies each step in the calculation. 4/7k+(j+1/7k)
asked by syram 
Statistics
The rate of chlamydia infection was reported as 2.78% in a recent year. Under certain conditions, a preliminary screening test for the chlamydia bacterium is correct 96% of the time. One person is randomly selected from the population. find the true
asked by Mark 
English
What is wrong with the sentence below? Not only the landlady, but also her children acts unfriendly to us.
asked by Bernie B 
English
In the following compoundcomplex sentence, add parentheses around the (dependent clause) and underline each independent clause. 2. The story was very good because the campers heard strange hoots and noises, and everyone was soon shivering.
asked by Sarah Ranger 
Economics
I have to do a housing project for economincs class. I have to pick a house. It has to include what kind of house it is and the square footage of the house and the square feet of the living space. Where would I search for this information
asked by Gabby 
Math (Gallon man)
1.How many pints are in 3/4 gallons? 2.How many cups are in 3/4 gallons? 3.What fraction of a quart is one cup?
asked by Adaija 
honors algebra
the area of a triangle is 105 square feet. the height is two more than four times the base. find the base and height of the triangle
asked by Madison 
math
You decide to number the 58 pages in your journal from 1 to 58. How many digits do you have to write?
asked by lolita 
math
Identify the property or rule that justifies each step in the calculation. (4/7k+1/7k)+j
asked by syram 
Math
What's 6/20 in simplest form? ( I know what simplest form is)
asked by Dan 
Math
How do you rewrite a fraction into a quotient? Example: 5/2 11/4 10/3 48/6 17/6 22/5
asked by King Bla 
arithmetic
Alan and Bob are playing with numbers. Starting with the number n=1 they take turns performing arithmetic manipulations with n. Alan goes first and always multiplies n by 3. Bob adds 1 or 2 to the number n, depending on a coin toss. A number is called
asked by dede 
Calculus
An ocean oil well is leaking oil into the ocean at a rate of 1 m3/hr resulting in an oil slick in the form of a circular disk (like a quarter or dime). If the slick remains in the shape of a disk with a constant thickness of 1/100 m as the disk expands,
asked by Jake 
Chemistry
How many mols of tyrosinate ions (C9H10NO3(aq)) are present in 909mg of sodium tyrosinate solid (NaC9H10NO3)?
asked by Jaden 
Chemistry
How many mols of OH(aq) ions are present in 20.33mL of 1.33M sodium hydroxide solution?
asked by Jaden 
Math
What part of the pizza did she eat? Now how much of her pizza is left?
asked by Anonymous 
math
Identify the property or rule that justifies each step in the calculation. 4/7k+(j+1/7k) ________ (4/7k+1/7k)+j ________ k(4/7+1/7)+j _________ (4/7k+1/7k)+j ________ 5/7k+j _______ Hint: you cannot say that 5/7k+j is the answer
asked by syram 
KINGSTON UNIVERSITY
HOW DO YOU CALCULATE OR USE THE HIC (HEAD INJURY CRITERIA) GIVEN HIC = 500
asked by STANLEY 
Algebra
In 2000 in country A the average family net worth was $440,000 and there were about 8.4x10to the power of 7, families. Caculate the family worth in country A in 2000.
asked by Ruth 
SCI207
After defining this relationship, discuss how the presence or absence of natural beauty in your environment affects your psychological well being on an everyday basis
asked by Priscillia 
Math
how would I solve 3 square of 6 times square of 6? Sorry, I don't know how to make radicals. Square of means radical
asked by Suzy 
Math
The price of a fan increased by 25% to $48.75. Find the original price of the fan. This is how I did it. 100/25%=400. 48.754.00= 44.25. I'm not sure if I'm solving it the correct way can someone help please
asked by Unknown 
Chemistry
Stuck on this because I haven't done chemistry in a while. Can someone guide me through it or help me out? Balance the reductionoxidation chemical equation in base: MnO4 + HSO3 > MnO2 + SO4^ 2
asked by hayley 
maths
The mean grade of 10 students was 72.if 2 of the students with grades of 53,75 are cancelled. What should be the mean grade of the remaining?
asked by minte 
math
The temperature was 30 colder at midnight than it was at noon. If it was 15 C at midnight, what was the temperature at noon?
asked by Wesley 
Algebra
A tugboat goes 160 miles up stream in 20 hours, return trip downstream takes 5 hours. Find speed of tugboat without the current and the speed of the current
asked by Ruth 
math
Hello! I would be really grateful if you could help me with this word problem. Here is the problem: In a cartoon, a malfunctioning cannon fires a hungry coyote towards the bottom of a cliff with an initial rate of 100 feet per second. If the cliff is 1250
asked by Beth 
Science
Where is most of an atoms mass locted?
asked by Kaelyn 
math
Dennis bought 5 CDs at $12. assuming each CD is the same price, what is the price of each CD?
asked by Shorty 
percentage
if p is 50% more than q,then q is what percent less than p?
asked by noman 
spanish
this is part of a spanish project and i need to know if i placed the accent marks correctly or forgot to put some of them. please help! Inglés Matemáticas Ciencias Sociales Ciencias Naturales Arte Música Geometria Biologia Hay que llevar el carnet de
asked by alex