Questions Asked on
October 17, 2014

Science
Which of the following best explains why it is necessary for the body to eliminate waste?
asked by Caitie Cat 
Physics
help. A rescue helicopter drops a package of emergency ration to a stranded party on the ground. If the helicopter is traveling horizontally at 40m/sec at a height of 100 m above the ground, where does the package strike the ground relative to the point at
asked by Shahab Mirza 
finance
Suppose an investment offers to triple your money in 36 months (don’t believe it). What rate of return per quarter are you being offered
asked by Helen 
Biology
Explain how human activities can cause an imbalance in biogeochemical cycling and lead to problems such as cultural eutrophication and fish kills.
asked by Ash 
Science
What conclusion can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their priorities? A. Properties of elements are related to atomic numbers. B. Properties of elements are related to
asked by blue 
Language arts
Which of the following exoresses a main idea from "Always to Remember"? A. Maya Ying Lin was a talented and smart college student who became a designer. B. Maya Ying Lin's family life, travel ecperiences, and education provided er a background necessary
asked by anonymous 
physics
During a baseball game, a batter hits a high popup. If the ball remains in the air for 6.65 s, how high does it rise? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m CAN ANYONE HELP PLEASE ??????!!!
asked by arturo bailon 
science
The muscular system is essential because it allows our bones to A. Strength B. Contract C. Lengthen D. Move Is the answer is D? Thanks.
asked by blue 
calculus
If f(x) = 3 cos^2(x) − 6 sin(x) 0 ≤ x ≤ 2π Find the intervals of increase and decrease, the intervals of concave up and concave down, local maximum values, local minimum values, and inflection point
asked by SIRI 
7th grade math
Not sure how to solve this: Suppose your school is selling magazine subscriptions. Each subscription cost $20. the company pays the school half of the total sales in dollars. The school must also pay a onetime fee of $18. What is the fewest number of
asked by Alexis 
diff calculus
1.) triangular corner lot has perpendicular sides of lengths 120 feet and 160 feet. Find the dimensions of the largest rectangular building that can be constructed on the lot with sides parallel to the streets.
asked by west 
Spanish Questions?
16. What makes Pan American Games different from the Olympic Games? some sports are unique, like jai alai they are celebrated every 2 years only Cuba can host them they are celebrated every 6 years 17. Which theory was developed based on observations made
asked by Anonymous 
Biology
Compare and contrast indirect versus direct values of biodiversity, and provide examples.
asked by David 
CALCULUS
1. A rectangular package to be sent by a postal service can have a maximum combined length and girth (perimeter of a cross section) of 108 inches. Find the dimensions of the package of maximum volume that can be sent. (Assume the cross section is square.)
asked by Please HELP 
Algebra / direct variations
Select all of the following that are a direct variation. Songs are 99 cents each to download. Tickets for rides at the fair are $1 each. Arcade games are 50 cents or $1. To go tubing it is $5 to rent the tube and $7 for each hour
asked by isaac clarke 
Language arts
Which best describes Maya Ying Lin's design in "Always to remember" A. Place of healing, vertical like other monuments, durably made of stone. B. Harmonious with surrondings, place of healing, quiet memorial. C. Place of healing, political statement, quiet
asked by anonymous 
algebra
Samir begins riding his bike at a rate of 6 mph. Twelve minutes later, Chris leaves from the same point and bikes along the same route at 9 mph. At any given time, t, the distance traveled can be calculated using the formula d = rt, where d represents
asked by kat 
Biology
Compare and contrast the traits and growth patterns of opportunistic versus equilibrium populations.
asked by Xander 
Algebra
The ordered pairs (1,6), (2,36), (3,216), (4,1296), and (5,7776) represent a function. What is a rule that represents this function?
asked by Steve 
nusyu
A small, spherical bead of mass 3.00 g is released from rest at t = 0 from a point under the surface of a viscous liquid. The terminal speed is observed to be £oT = 2.00 cm/s. Find (a) the value of the constant b that appears in Equation 6.2, (b) the time
asked by lin 
Algebra
The ordered pairs (1,1), (2,8), (3,27), (4,64) , and (5,125) represent a function. What is a rule that represents this function? My answer is y = x cubed
asked by Steve 
Spanish
Sra. this week I had a review. Do my answers look correct? Part I Indique si las palabras en pares son sinónimos, antónimos, o no son relacionadas. 1. A ancho y apretado  antónimos B corto y flojo  no son relacionadas C vestirse y quitarse 
asked by Anna 
Microbiology
"people with takahara's disease don't produce catalase. Although often asymptomatic, this condition can lead to recurrent oral infections by peroxidegenerating bacteria. How would you diagnose a catalase deficiency?" Would the answer be to put hydrogen
asked by Amber 
health
making a list of what you have to do and identifying what is most important is an example of. . . . A.mental rehearsal of tasks. B.relaxing by list making. C.time management. D.making connection
asked by luvbae 
Science PLEASE HELP!
Why is Lithium more reactive than Neon? I honestly do not understand this.
asked by Bayleigh C 
Trigonometry
Use the equation mg sin A = umg cos A to determine the angle at which a waxed wood block on an inclined plane of wet snow begins to slide. Assume the coefficient of friction, u, is 0.17.
asked by TeeKay 
Algebra
Using Cowling’s Rule what is the age of the child if the adults dose is 500mg and the child dose is 187 mg?
asked by Sally 
Calculus
A tray of lasagna comes out of the oven at 200°F and is placed on a table where the surrounding room temperature is 70°F. The temperature T (in °F) of the lasagna is given by the function T(t)=e^94.86753t)+70 , 0 ≤ t, where t is time (in hours) after
asked by Anonymous 
social studies
1. Which of the following was not listed as a religious denomination that was present in royal Georgia? • Puritans • Baptists • Catholics **** • Lutherans 2. Which of the following was discussed as a reason that education was limited in royal
asked by kathy berry 
PreCalculous (Trig)
The Singapore Flyer, currently the world's largest Ferris wheel, completes one rotation every 37 minutes.1 Measuring 150 m in diameter, the Flyer is set atop a terminal building, with a total height of 165 m from the ground to the top of the wheel. When
asked by Randy 
Geometry
1.1.Determine whether the regular pentagon has reflection symmetry, rotation symmetry, both, or neither. If it has reflection symmetry, state the number of axes of symmetry. If it has rotation symmetry, state the angle of rotation. For each type of
asked by D 
physics
a turntable rotates about a fixed axis, making one revolution in 10s . the moment of inertia of the turntable about it's axis is 1200kg/m^2 . a man of mass 80kg , initially standing at the center of the turntable, runs out along a radius. what is the
asked by albert 
Equilibria
How to calculate the [Cu2^+] in a solution that was initially 1.0 M NH3 and 0.10 M Cu2^+ ? Kf value for Cu(NH3)4 ^ 2+ = 2.1*10^13 Please give me a detailed way of doing this problem. Thank you very much
asked by Ved G 
Physics Help Please!!!! Check!
if I weigh N on Earth and 5320 N on the surface of a planet, what is the acceleration due to gravity on that planet? mg=702N m=702/9.8=71.6 kg mg=5320N g=5320/71.6=74.3 m/s^2
asked by Kimberly 
mathematics
Fill up the missing values LENGTH=60cm BREADTH =45cm HEIGHT=? Volume=54 dm³
asked by Anonymous 
statistics
A college student takes a standardized test and scores a 163. If the mean is 155 and the standard deviation is 7, what is the student’s percentile rank? (Assume a normal distribution.)
asked by Gail 
algebra
a cyclist rides her bike at the speed of 18 kilometers per hour what is this rate in meters per second how many meters will the cyclist travel in 2 seconds
asked by amber 
CALCULUS
Hi guys can you help me! Please teach me step by step.. I really need it. pls! Thank you......... A swimming pool is 12 meters long, 6 meters wide, 1 meter deep at the shallow end, and 3 meters deep at the deep end. Water is being pumped into the pool at
asked by Jane 
history
which of the following was not a rpespones of the colonies to the tea act? a. tea ships where sent back to britin in protest b. the tea was confiscated and sold later. c. crates of tea were dump in to the water. d. colonists made a profit because of the
asked by somebody help i am new 
Calculus
The cost of producing x ounces of gold from a new gold mine is C=f(x) dollars. Do you think the values of f'(x) will increase or decrease in the short term? What about the long term? Explain.
asked by Anonymous 
physics
At a distance of 1 cm from the source, the flux from the isotropic source is one hundred times brighter. Which source is brighter fifty centimeters away? At what distance from the source are the two equally bright? Could you explain the theory behind the
asked by Jeremy 
Trigonometry
Triangle PQR has vertices P(0, 1), Q(0, 4), and R(2, 5). Find the coordinates of R' to the nearest hundredth after rotating triangle PQR counterclockwise about the origin 45º.
asked by TeeKay 
English
This question is based on the following paragraph. (1) Brenda would have liked to have taken her vacation at the beach. (2) However, the weather forecast on the television called for rain. (3) Also, her fiancé, Max, wanted to vacation in the mountains.
asked by Nelise 
Trigonometry
Suppose a smooth glasstop table is tilted slowly. The angle, A, at which a glass plate on the table begins to slide is 43º. Use the equation mg sin A = umg cos A to determine the coefficient of friction, u. A)0.43 B)0.22 C)0.90 D)0.93
asked by TeeKay 
social studies
1. which of the following was not listed as a religious denomination that was present in royal georgia? puritans baptists catholics***** lutherans 2. which of the following was discussed as a reason that education was limited in royal Georgia? the school
asked by kathy berry 
chem
given the thermochemical equations, B2O3 + 3H2O > 3O2 + B2H6 delta h = 2035 kj H2O > H2O delta h = 44 kj H2 + 1/2O2 > H2O delta h = 286 kj 2B + 3H2 > B2H6 delta h = 36 kj what is the delta hf for 4B + 3O2 > 2B2O3?
asked by bekah 
Math
Which statement is false? A. The number zero is a rational number. B. Some irrational are also rational numbers. C. Every irrational number is a real number. D. Every integer is a rational number Is the answer C?
asked by happy 
us history
what best summarizes the population decline of native americans.
asked by kayla 
history
at which meeting was georgia not represented? a. provincial congress b. frist continenental congress c. second continental congress d. council of safety.
asked by somebody help i am new 
Language arts
How do you form the perfect tense of a verb? A.Use the Helping verb will and the base form of the verb. B.Use a form of the verb be and the last particle of the verb C.Use a form of the verb have and the present participle of the verb. D.Use a form of the
asked by Misty 
Math
Suppose cosA = 12/13 with 0º≤A≤90º. Suppose also that sinB = 8/17 with 90º≤B≤180º. Find cos(A  B).
asked by TeeKay 
Precalc Translations
Let T(d) be the temperature of the seawater in the Mariana Trench d meters below the surface. Find a formula for p(x), the temperature x mm below the surface Insert 1 for coefficients that do not change and 0 for shifts that are not necessary My answers
asked by Hassan 
Physics
A horizontal rifle is fired at a bull'seye. The muzzle speed of the bullet is 720 m/s. The barrel is pointed directly at the center of the bull'seye, but the bullet strikes the target 0.031 m below the center. What is the horizontal distance between the
asked by Winona 
Grade 12
a 4.0kg block is attached to a vertical rod by two strings.when the system rotates about the axis of the the rod,the strings extend.What is the tension in the lower cord if tension on upper cord is 60N ?
asked by Tasnia Elahi 
Algebra
Using the given points, determine Δy. (3, 5) and (0, 10) Δy = 3 Δy = 5 Δy = 13 Δy = 15
asked by Mclovin Mitchell 
Scientific notation
Express in scientific notation. Choose the answer with the proper number of significant figures. 69,000,000,000 = _____ 69 x 109 6.9 x 1010 6.910 It has to be A, but I'm not exactly sure.
asked by isaac clarke 
Scientific notation
Express in scientific notation. Remember, M must be a number 1 ≤ M < 10. 32,400 = 3.244 3.24*104 3.2400*104 the dash means to the 4th power
asked by isaac clarke 
chemistry
what volume of 0.150M Li2Sr solution is required to completely react with 130ml of 0.150M Co(NO3)2
asked by Jake 
Calculus
Suppose a ball is thrown straight up into the air, and the height of the ball above the ground is given by the function h(t) = 6 + 37t – 16t2, where h is in feet and t is in seconds. At what time t does the ball stop going up and start returning to
asked by Mary 
Physics
(a) How high a hill can a car coast up (engine disengaged) if friction is negligible and its initial speed is 96.0 km/h? (b) If, in actuality, a 750 kg car with an initial speed of 96.0 km/h is observed to coast up a hill to a height 18.0 m above its
asked by Devin 
science
an elephant of mass 500kg stands with all four feet on the ground. each foot has an area of 0.08m^2.calculate the pressure exerted on the ground.[g=10m/s^2]
asked by kwame 
Physics
a person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of 10 m/s. the cliff is 48 m above the water's surface as shown. how long does it take for the stone to fall to the water? the acceleration of gravity is 9.81 m/s2.
asked by Kenny 
Trigonometry
Triangle PQR has vertices P(0, 1), Q(0, 4), and R(2, 5). Find the coordinates of R' to the nearest hundredth after rotating triangle PQR counterclockwise about the origin 45º.
asked by Molly 
Physics
A block of mass 0.40 kg rests on the inclined surface of a wedge of mass 7.0 kg. The wedge is acted on by a horizontal force F with arrow and slides on a frictionless surface. a)If the coefficient of static friction between the wedge and the block is µs =
asked by John Smith 
calculus
A sample poll of 100 voters revealed the following information concerning three candidates A, B, and C who were running for three offices. 10 voted in favor of both A and B, 35 voted in favor of A or B but not C, 25 voted in favor of B but not A or C, 65
asked by RAj 
scientific notation
Express in scientific notation. Choose the answer with the proper number of significant figures. _____ 0.47 x 1017 0.5 x 1017 5 x 1018
asked by isaac clarke 
calculus
Find the point on the surface z = 2x2+xy+3y2 where the tangent plane is parallel to the plane 8x8yz=5.
asked by RAJ 
direct variation
Y varies directly with X and has a constant rate of change of 6. When the value of Y is 11, then the value of X could be _____. equal to zero less than 2 equal to 6 greater than 11
asked by isaac clarke 
calculus
Use Lagrange multipliers to find the maximum and minimum values of f(x,y)=x^2y+3y^2y subject to the constraintx^2+y^2less than or equal to 10
asked by RAJ 
Physics
Consider the skateboarder in the figure below. If she has a mass of 57 kg, an initial velocity of 21 m/s, and a velocity of 10 m/s at the top of the ramp, what is the work done by friction on the skateboarder? Ignore the kinetic energy of the skateboard's
asked by Chrissy 
Physics
A charge of +2uC is placed at one end of a meter stick, a charge of 2uC is placed at the other end. Calculate the electric field strength at the 50 cm mark
asked by Josh 
Physics
Spark timer acceleration lab How do you determine the acceleration from the slope of your best fit line?
asked by Kiki 
Thermodynamics
An insulated rigid tank contains 1.5 kg of helium at 30∘C and 500 kPa. A paddle wheel with a power rating of 0.1 kW is operated within the tank for 30 minutes. Cvof helium = 3.12 KJ/Kg.K Problem 7A. Calculate the net work done by helium, in kJ. Enter the
asked by Phy 
physics
A man on the moon throws a ball vertically upwards and it is notices that the ball travels 3.0m less in the fifth second of its upward motion that it does in the third second. What is the acceleration due to gravity on the moon?
asked by Amjid 
Algebra
Given the following piecewise function: Find the Given the following piecewise function: f(x)= {?(x+10 for 9 ?x
asked by RAJ 
chemistry
Propane (C3H8) which is used as fuel in BBQ tanks often contains some butane(C4H10). A sample of a fuel mixture known to contain both propane and butane occupies a certain volume at a total pressure of 30 mmHg. The sample is then burned completely to
asked by Brooke 
6th grade
Pet Parade: Mr. James has 14 cats, dogs and guinea pigs. What are all the combinations he could have?
asked by Tan 
Trigonometry
Triangle PQR has vertices P(0, 1), Q(0, 4), and R(2, 5). Find the coordinates of R' to the nearest hundredth after rotating triangle PQR counterclockwise about the origin 45º.
asked by Molly 
math
lori recently rode her bike to her friend's house, 8 miles away. On her way back she rode 15mph faster than on her way there. She spent a total of 2 hours biking. What was her average speed each way?
asked by je 
Physincs
You are given vectors A⃗ = 4.8 i^− 6.7 j^ and B⃗ =  3.4 i^+ 7.5 j^. A third vector C⃗ lies in the xyplane. Vector C⃗ is perpendicular to vector A⃗ and the scalar product of C⃗ with B⃗ is 17.0.
asked by HELP PHYSICs 
Physics
An object slides down an inclined plane of initial height of 30m.its velocity at the foot of the plane is 20m..find the fraction of the initial potential energy which is dissipated as heat
asked by McPete 
S.S
1. In the southern campaign launched by the British, Cornwallis lost a battle with the Americans under Nathaniel Greene at A. Savannah. B. Cowpens. C. Camden. D. Charles Town. B?
asked by Sarah 
Calculus
Find the volume of the largest rectangular box with edges parallel to the axes that can be inscribed in the ellipsoid x^2/81+y^2/25+z^2/49=1
asked by Siri 
calcu
(4,3) is on g For each of the following functions find a point on its graph. Enter exact answers. I cannot find the other three :( a) g(2x)  5 ,(2,8) b) 3g(x) + 1 c) (g(1/3(x+4))8) d) 1/2g(5x15)8
asked by Ray 
calculus
A bright light on the ground illuminates a wall 12 meters away. A man walks from the light straight toward the building at a speed of 1.1 m/s. The man is 2 meters tall. When the man is 4 meters from the building, how fast is the length of his shadow on the
asked by kiera bryant 
math
Katarina made 6 book covers in each color: red, green, yellow, and purple. She gave 5 book covers to each of her 3 best friends, then she gave 2 book covers to her cousin. How many book covers does Katarina have now?
asked by nicole 
Physics
A marble rolls off a lab table that is 0.92 m high. It rolls off the table with a velocity of 1.66 m/s. How far from the base of the table must the chip be placed so that the marble will hit the chip?
asked by Sam 
math
Find the angle, in degrees, between two adjacent sides of the pyramid. P(2, 0, 0), Q(2, 2, 0), R(0, 2, 0), (base points) S(1, 1, 7) (tip point)
asked by Morgan 
MATH HELP PLEASE
Which of these numbers can be classified as both real and irrational? a. 5.85 b. 63.4 c. square root 21 d. square root 36 Is the answer D?
asked by anonymous 
chemistry
Table salt, NaCl(s), and sugar, C12H22O11(s), are accidentally mixed. A 4.00g sample is burned, and 3.30 g of CO2(g) is produced. What was the mass percentage of the table salt in the mixture?
asked by Anonymous 
ChemDrBob222
Show the route you would use to go from starting material to product. You should give the reaction conditions for each step, but it is not necessary to give detailed mechanisms. RCH2CH2R TO RCH(BR is attached under CH)CH3 RCH2C(3 CH3 is attached to
asked by JuYoung 
Calculus
The number of bacteria after t hours in a controlled laboratory experiment is n=f(t). Suppose there is an unlimited amount of space and nutrients for the bacteria. Which do you think is larger, f'(5) or f'(10)? If the supply of nutrients is limited,would
asked by Anonymous 
Math
1. Find all values of p such that 2(x+4)(x2p) has a minimum value of 18. I know that y is the minimum value,I know x is 4. But, I am not sure how to find p. 2.The temperature of a point (x,y) in the plane is given by the expression x^2+ y^2  4x +
asked by Trish Goal 
calculus
f(x)=x2(x−24). So f is decreasing (and f′ is negative) on the interval (0,a) for a= ?
asked by spud 
Math
Which is an integer? A. 23 B. 1/4 C. Square root 27 D. 3.402538 Is the answer A? Thanks
asked by happy 
chemistry
A coop student designed an experiment to collect hydrogen gas by reacting iron with a hydrochloric acid (HCl) solution. The student’s coop supervisor suggested that aluminum can also be included to generate hydrogen gas: Fe + 2 HCl → 2 FeCl2 + H2 2
asked by Brooke 
Physics
A bullet is fired from a rifle that is held 2.5 m above the ground in a horizontal position. The initial speed of the bullet is 1450 m/s. Find: (a) the time it takes for the bullet to strike the ground and (b) the horizontal distance traveled by the
asked by Matt 
Materials Science
A 3point bending test is performed on a simply supported beam of length L=4m and of rectangular crosssection, with width b and height h. For a central load of 10kN, draw the bending moment and shear force diagrams for the beam. Then answer the following
asked by qwerty 
Materials Science
A hollow cylinder with outer radius r0 and inner radius ri is loaded by a uniformly distributed load q across its length L. The beam is supported by a roller at its left end and a pin L5 from its right end. What is the maximum bending moment in the beam?
asked by qwerty 
physics
A golfer hits a shot to a green that is elevated 3.10 m above the point where the ball is struck. The ball leaves the club at a speed of 19.4 m/s at an angle of 33.0˚ above the horizontal. It rises to its maximum height and then falls down to the green.
asked by Tami 
calculus
f(x)= 3+4xe^{5x}complete the sentences concerning the function a) the function f is decresing on the iterval...... b) the function f is increacing on the interval c) the function f is concave down on the interval d) the function f is concave up on the
asked by RAJ 
statistics
Scores on a national writing exam are approximately normally distributed, with a mean of 490 and a standard deviation of 20. Consider random samples of size 25 from the population of test takers. describe the sampling distribution of a sample mean. shape
asked by ivan 
Last ratio/equation
There are 10 men to 12 women and 10 women to 15 children. What is the ratio of men to children then!?
asked by Circles 
calculus
2) Let g(s)= t(4−t)^1/2 on the interval [0,2]. Find the absolute maximum and absolute minimum of g(t) on this interval. Enter DNE if the absolute maximum or minimum does not exist. The absolute max occurs at t= . The absolute min occurs at t=
asked by spud 
Physics/ Biomechanics
Compare the vertical jump heights obtained using the vertical velocity at take off and half the flight time. Which one do you think is more accurate in assessing a vertical jump performance?  my vertical jump height using vertical velocity at take off =
asked by Anonymous 
calculus
ind the point(s) on the cone z^2 = x^{2}+3y^{2} that are closest to the point (1,7,0)
asked by RAj 
Help Calulus
A. If the focal length of the convex lens is supposed to be 5 cm, and if the image is formed 7 cm from the lens, find the distance, p, from the lens to the object. (It’s not necessary to simplify your answer.) Equation: 1/p + 1/q = 1/f
asked by Mary 
Trigonometry
From a point 35 m from a building and 2 m above the ground , the angle of elevation of the top of the building is observed to be 60° what the height of the building?
asked by junmark777 
Physics
A golfer hits a shot to a green that is elevated 3.10 m above the point where the ball is struck. The ball leaves the club at a speed of 19.4 m/s at an angle of 33.0˚ above the horizontal. It rises to its maximum height and then falls down to the green.
asked by Tami 
physics
Find the height of a hot air balloon if an object which falls from it covers 19% of the height in the last second of its fall.
asked by Amjid 
mathematics
what is algerdra
asked by james 
Physics
A mass of 14 kg is moving at a speed of 39 m/s at the bottom of incline which is inclined at an angle of 51.6 degrees. The incline has friction and the coefficient of kinetic friction is 0.6. The mass travels up the incline and stops due to both gravity
asked by Kimmy 
Math
Find the limit as h approaches 0 for ln(1+h)/h
asked by Eiban 
Thermodynamics
Consider 2 kg of an ideal gas (R=300 J/(kg.K) and Cp=1000 J/(kgK)) contained in a piston cylinder arrangement. The cylinder has a small valve at the end opposite to the piston.The cylinder walls are not adiabatic and allow heat transfer. The initial
asked by Phy 
Scientific notation. PLZ HELP!
Express in scientific notation. Choose the answer with the proper number of significant figures. (3 x 104) (4 x 1023) = _____ 1227 12 x 1027 10 x 1027 1 x 1028
asked by isaac clarke 
calculus
6) The function f(x)=4x3−18x2−480x−2 is decreasing on the interval ? Enter your answer using the interval notation for open intervals. It is increasing on the interval(s) ? The function has a local maximum at ?
asked by spud 
Math
A theatre company allows a group of 10 people to buy theatre tickets at a price of $28 per person. For each person in excess of 10, the price is decreased by $2 per person for everyone down to a minimum of $10 per person. What number of people will produce
asked by Mathgirl730 
Precalc (domain and range)
Domain l(x) is 12 less than or equal to x less than equal to 12 and it's range is 0 less than or equal to l(x) less than equal to 3 (b) What are the domain and range of l(1/5x) Enter the exact answer Domain Range
asked by Taylor 
Chemistry
Ho w much water would you need to add to 500 mL of a 0.3 M calcium nitrate solution to make the solution 0.1 M? A. 1.0 L B. 0.50 L C. 1.5 L D. 0.25 L
asked by Luis 
trigonometry
Two stations A and B are 2,000m apart. When an airplane was directly above A, an observer at B found that the angle of elevation of the airplane is 60° . How far is the plane from the station B??
asked by junmark777 
math
Which of these numbers can be classified as both real and irrational? a. 5.85 b. 63.4 c. square root 21 d. square root 36 Is the answer D?
asked by anonymous 
Government
U.S Senators are elected A:From the most popular districts of the state. B:through political backroom deals rather than by the electorate C:From the whole state rather than from individually defined districts D:from a handful of carefully picked districts
asked by keona smith 
Thermodynamics
Steam in a cylinderpiston arrangement expands from an initial condition of 5 bar, 80% dry to a final state of 2 bar, dry saturated steam. The initial volume of steam is 0.8 m3. The process of expansion can be represented by a straight line on the
asked by Phy 
Math
1. Find the sum of the first five terms of the sequence 2/3, 2, 6, 18, ..... My answer is 242. Am I right? 2. Which of these two sequences form a geometric sequence: 2x, 4x2, 6x4, ..... OR x+1, 2x+2, 5x+1, .....? Find the value/s of x and what is the
asked by Brianna 
science
how fast is mach 1 ?
asked by kenneth 
computer literacy
A computer worm is most likely to attack
asked by Anonymous 
Math
why would I have uarrived at square root 2 over 2 in this question Chang is participating in a charity bicycle road race. The route starts at Centreville and travels east for 13 km to Eastdale. He then makes a 135° turn and heads northwest for another 18
asked by Alex 
physics
A block of mass m is pushed along a horizontal table by a force F= 70 N a an angle 55 degrees with the horizontal. The coefficient of kinetic friction is 0.3 Write Newtons second law using vectors. Write newtons second law using x scalar components
asked by Chad 
Math
1.What is the smallest possible value of 2x^4+(8/x^4) over all real nonzero values of x? To find the minimum value you have to factor it, but I am not sure how to factor this. 2.What is the maximum value of c such that the graph of the parabola y=1/3x^2
asked by Trish Goal 
science
can you tell me the relationship between water treatment and geckos
asked by mark 
Algebra
Describe how projections play a role in the least squares solution?
asked by RAJ 
Chemistry
If 4.7M SrLi2 solution is diluted to 45L, what is the molarity of the diluted solution?
asked by Jake 
math
Solve the initial value problem 3(y1)^2 = y'', with y(0) = 3 and y'(0) = 4. Assume y does not equal 1.
asked by RAJ 
Math
Which of these numbers is classified as a rational number? A. Square root 17 B. Square root 23 C. Square root 9 D. Square root 2 Is the answer C? Thanks
asked by happy 
physics
A block of mass m1 = 2.4 kg slides along a frictionless table with a speed of 8 m/s. Directly in front of it, and moving in the same direction, is a block of mass m2 = 5.0 kg moving at 2.8 m/s. A massless spring with spring constant k = 1140 N/m is
asked by steven 
physics laws of motion
a block of mass 300kg is set into motion on a frictionless horizantal surface with help of frictionless pulley and a rope system.what horizantal force F should be applied to produce an acceleration of 1m/s in block
asked by shail 
Precalculus
(sinxcosx+1)/(sinx+cosx1)=(sinx+1)/(cosx)
asked by Anonymous 
American Government
the filibuster is a procedure used only in ?
asked by keona smith 
Math
1. Find the sum of the sequence: 32, 16, 8, 4, 2, .... My answer is 64/3. Am I correct?
asked by Brianna 
Algebra/Precalculus (Quadratic Equations)
A theatre company allows a group of 10 people to buy theatre tickets at a price of $28 per person. For each person in excess of 10, the price is decreased by $2 per person for everyone down to a minimum of $10 per person. What number of people will produce
asked by Mathgirl730 
psy 103
Dubois claims that after the civil war, the courts and police forces led to the following outcomes
asked by Anonymous 
English
Other words to describe "minors"
asked by Amy 
English
Did I do alright fixing the following sentence? It was a runon. (these run0n are so tricky to me) Lawsuits seem to be getting out of hand; one little girl sued the Crack jack company, because the prize was missing from her box.
asked by Karen 
physics
A mass of 3.25 kg is attached to the end of a spring that is stretched 20 cm by a force of 14 N. It is set in motion with an initial position x_0 = 0 and initial velocity (in m/s) v_0 = 11. Find the amplitude, period, and frequency of the resulting
asked by RAj 
calculus
Given g(x) = (x + cosx)/(e^x  2x^3 + 5). Find g'(x). Do not need to simplify.
asked by RAJ 
PreCalc/Trig...
Help me please. Simplify 1. √36 2. √625
asked by Anonymous 
PreCalc/Trig...
Helpp needed, this is sort of confusing me. Describe the nature of the roots for this equation. 2x^2x+1=0 A. Two real, rational roots B. Two real, irrational roots C. One real, double root D. Two complex roots
asked by Anonymous 
Materials Science
A 4point bending test is performed on the same beam, with symmetric loads of 5kN separated by 2m. Draw the bending moment and shear force diagrams for the beam. Then answer the following questions about the shear force V and bending moment M. What is the
asked by qwerty 
Persuasive Essay Topics
What are some persuasive essay topics about schools or communities that people disagree with?
asked by Victoria 
Calc
Describe e y = 6(g(x)  9) as the result of first applying a stretch or compression and then applying a shift to g. First a ____________, by a factor of 6 __________ and then a ____________ by ________ units
asked by Steve 
Algebra
From a survey of 100 college students, a marketing research company found that 45 students own ipods, 45 owned cars and 25 owned both cars and ipods. How man students owned either a car or an ipod (but not both) and how many do not own either a car or an
asked by Sandy 
Math
I just wanted to double check that I am correct. 1.Find the zeros for the function: f(x)= 4(x3)(x+2)(x4)^2 Zeros are: 3,2, 4(multiplicity 2) 2.Find the zeros for the function: f(x)= x^39x Zeros are: 0, 3, 3
asked by kim 
Chemistry 101
Based on the masses of CaCl2 and Na3PO4 you determine from the periodic table,what mass combining ratio would you predict?
asked by Kayla 
algebra
A jar contains $34.75 in quarters and dollar coins. If the number quarters is three more than four times the number of dollars, determine the number of each type of coin.
asked by cool man 
Geography
What are the warning signs of a tsunami?
asked by Phoebe 
MATH HELP PLEASE
Which of these numbers can be classified as both real and irrational? a. 5.85 b. 63.4 c. square root 21 d. square root 36 Is the answer D?
asked by TGIF 
calculus
can you find a sequence{an} such that {an} diverges, and the series of an converges? justify
asked by SIRI 
Math
Solve P=P(base 0)e^kt Solve for t? I have no idea how to solve this
asked by Eiban 
math
a car goes to 10km due south,then it turns west and goes 5 km.Now it turns back and goes 10km due north.Where is the car from starting point?
asked by lucifer 
Physics
You are making a trip in a space shuttle, and your friend Jimmy is in another space shuttle. He shares the same circular orbit with you, 370 km above earth. However, he is 21 km ahead of you. A) How long will it take you to catch up with your friend if you
asked by Ashlea 
equations
a : b = 5 : 1 and b : c = 2 : 3, then a : c =? I really need help on both
asked by circles 
physics
a foot ball is thrown upward with an angle of 30 degree with respect to the horizantal .to throw a 40meter pass what must be the intial speed of the ball?
asked by ayan 
science
Would somebody be so kind and help me with my homework,please?Explain, how a substance will dissolve differently if the temperature changes. Thank you for help.
asked by Damian 
MATH HELP PLEASE
Which statment is false? A. The number zero is a rational number. B. Some irrational numbers are also rational numbers. C. Every irrational number is a real number D. Every integer is a rational number Is the answer C?
asked by anonymous 
medical billing
What code(s) is/are assigned for a patient admitted for an azathioprine 1 drug induced aplastic anemia (initial encounter)? The patient has peripheral neuropathy of multiple joints of the lower extremities secondary to severe rheumatoid arthritis
asked by virginia 
MATH HELP
Domain l(x) is 12 less than or equal to x less than equal to 12 and it's range is 0 less than or equal to l(x) less than equal to 3 (b) What are the domain and range of l(1/5x) Enter the exact answer Domain Range Answer this Q
asked by Saday 
physics
What would it mean if mu is greater than one?
asked by confused 
SS
Where is the Tree Stratum Zone of deciduous forests?
asked by Anonymous 
Math
Please help me! I know I am not showing my work but I don't even know how to solve these! Please help me! Tell whether the given equation has the ordered pair as a solution. 1. y = 6x; (3,16) 2. y = 4x; (2,8) 3. y = x  3/4; (2,1 1/4) PLease help me
asked by Meredith 
Calculus
1. If the tangent line to y=f(x) at (4,3) passed through the point (0,2), find f(4) and f'(4). My answer: f(4)=3 f'(4)=1/4
asked by Anonymous 
Human Development
Why is it not ethical if a researcher researches on some people and the people get affected with for example, trouble in speech. What are the two reasons as to why this is not ethical?
asked by Priya 
Calculus
what is the limit of arcsinx as x approaches 1 from the left
asked by Ginger 
biology
Part A. Making Visual Connections with the Textbook (5 points) You can answer these in a Word document, indicating the question number followed by your answer. Below is the Absorption Spectrum of Photosynthesis. As your textbook explains, plants have a
asked by Anonymous 
Math
Hi, I need help with figuring out how I calculated this question because my math teacher is asking "But my question is how do you get √2/2 How did you come up with that calculation?" Here's the question and my work for it: Chang is participating in a
asked by Alex 
Math
[R] = [4/5 3/5] and [S] = [3/5 4/5] [3/5 4/5] and [4/5 3/5] are reflection matrices. Calculate [R·S] and verify that it can be identified as the matrix of rotation. Determine the angle of the rotation.
asked by Wes 
english
Will you please give some points on adventure? I need to make a speech.
asked by sadie 
health/stats
can cholesterol follow a normal distribution exactly? why or why not?
asked by rebekah 
equation
if 3a = 5b, what is a:b?
asked by circles 
English
How do writers correctly punctuate sentences containing the documentation? Where would the quotations and parenthesis go? Please answer both
asked by Amy 
SAVE ME ( MATH)
function p(t) has a domain of 1 less than or equal to t less than or equal to 12 range of 40 < p less than or equal to 160 Find the domain and range for. Enter the exact answers A) P(1/4t+4) B) 1/10p(2t)+46
asked by Randy 
English
1. Why would an author use other words like adolescent, teen, or young people just to describe minor? 2. How do you correctly punctuate sentences containing documented evidence? 3. From this thesis statement , what topic can you form out of it: Some people
asked by Amy 
medical billing
what is msdrg
asked by virginia 
maths
how to show the working out for 1.3*1.8
asked by kirsty 
math
Find the distance between the point and the plane. (2, 5, 3) 3x + 2y – 3z = –6
asked by Morgan 
Physic
I need someone that can help with a formula any smart people. Law of universal gravitation f=g m 1 x m2 /r^2 needs to k ow what g is? Help?
asked by Christian 
physics
A laser that emits pulses of UV lasting 2.95 ns has a beam diameter of 4.05 mm. If each burst contains an energy of 4.60 J, what is the length in space of each pulse? What is the average energy per unit volume (the energy density) in one of these pulses?
asked by Ashton 
chem
if the delta h for the reaction A + 2B > C is 150 kj, delta h for 6A + 12B > 6C is what?
asked by bekah 
research help
I need help with some research topics for a paper?
asked by Sara 
English
1. Across 3 starts with 'n.' 2. 3 Across starts with 'n.'  In a crossword puzzle, which one is correct?
asked by rfvv 
algebra 1
4=183w 18  3w=4 +18 +18 3w=22 7 1/3
asked by Anonymous 
government
cloture is
asked by keona smith 
SS
Is the Okanagan in BC a valley?
asked by Anonymous 
SS
Is agriculture widespread in coniferous forest regions?
asked by Anonymous 
algebra 1
4=183w 18  3w=4 +18 +18 3w=22 7 1/3
asked by Anonymous