Questions Asked on
May 14, 2013

8need a function rh grade math
a 154 lb person burns 420 calories per hr riding an exercise bike at 15 mph. Need a function rule to represent the total calories burned over time.
asked by Jane 
trigonometry
find acute angle A and B satisfying secAcotBsecA2cotB+2=0
asked by ajit yadav 
Math Help? Check my answers.
1. You mix the letters: S E M I T R O P I C A and L thoroughly. Without looking you draw one letter. Find the probability that you select a vowel. From a fraction to simplest form. 12/5 5/12 1/3 7/12 2. You roll a standard cube once. Fine P(0) 7/6 1 1/2 0
asked by Rebekah 
Calculus
An OPEN box has a square base and a volume of 108 cubic inches and is constructed from a tin sheet. Find the dimensions of the box, assuming a minimum amount of material is used in it's construction. HINT: the goal is to minimize the surface are of the
asked by Jennifer 
chem
1. The total power used by humans worldwide is approximately 15 TW (terawatts). Sunlight striking the Earth provides 1.336 kW per square meter (assuming no clouds). The surface area of Earth is approximately 197,000,000 square miles. How much of Earth’s
asked by tra 
physics
A diamond's index of refraction for red light, 656 nm, is 2.410, while that for blue light, 434 nm, is 2.450. Suppose white light is incident on the diamond at 32.2°. Find the angles of refraction for red and blue light. red light? blue light?
asked by A 
chem
6. What is wrong with the following electron configurations for atoms in their ground states? a) 1s^2 2s^2 3s^1 b) (Ne) 2s^2 2p^3 c) (Ne) 3s^2 3d^5
asked by tra 
chemistry
5. Mealsreadytoeat (MREs) are military meals that can be heated on a flameless heater. The heat is produced by the following reaction: Mg(s) + 2H2O(l) > Mg(OH)2(s) + H2(g) Calculate the number of grams of Mg needed for this reaction to release enough
asked by tra 
Equation help?
From midnight to 6:00 am, the temperature rose 8°C. At 6:00 am, the temperature was –20°C. What was the temperature at midnight. I know it's 208 = 28 C temp at 12am, but how do I write it an equation?
asked by Moby 
Chemistry
Is Cl2 + 2e > 2Cl an oxidation halfreaction?
asked by Anonymous 
english
When naval engagements occur they are carried on at such great that the intervention of mist may obscure the contestants from each other 1 extremes ,2 risk , 3 ranges 4,pace, 5 disadvantegc
asked by joy 
calculus (gr 12)
the productivity of a person at work (on a scale of 010) is modeled by a cosine function: 5cos (pie/2t) +5, where t is in hours. If the person starts work at t=0, being 8:00 am, at what times is the worker the least productive? a) 12pm B) 10 am and 2pm C)
asked by Maria 
physics
A guitar string is 92 cm long and has a mass of 3.7 g. The length L from the bridge to the support post is 65 cm, and the string is under a tension of 570 N. What is the frequency of the fundamental tone thanks!
asked by BG 
physics
he index of refraction of crown glass is 1.53 for violet light, and it is 1.51 for red light. (a) What is the speed of violet light in crown glass? (b) What is the speed of red light in crown glass?
asked by A 
Physics
A roller coaster has a mass of 425 kg. It sits at the top of a hill with height 66 m. If it drops from this hill, how fast is it going when it reaches the bottom? (Assume there is no air resistance or friction.)
asked by Robin 
physics
A steel rod of length 1m is heated from 25°c to 75°c keeping its length constant.The longitudinal strain developed in the rod is:(steel:12 X 10^6/°c) "6X10^4" ; "6X10^4" ; "0" please help me as soon as possible by explain this.
asked by duke 
Math~Polynomials
5)Find the degree of 5w4w^2+7w+16(1point) 5 16 14*** 3 Ok I put stars next to my answer though I'm not sure if I'm correct.. or not so Steve could you tell me if my calculations are way off or if they are correct?....
asked by Gabby 
Accounting
Clark invested $20000 cash in her business
asked by Ranak_hasan 
Justice system
The organization of policing has both bureaucratic and __________ characteristics. A. chaotic B. civilian C. military D. corporate im confused between B n C 2. “Strategic leniency” in police management refers to: A. police discretionary behavior during
asked by Amy 
math
A graph includes the ordered pair (2,4). Write two different rules that would be possible for this graph. Explain how you found your answer.
asked by confused mom 
Math
An apprentice Carpenter has designed a wooden coffee table. he expects to sell 25 such tables for 95$ each at an upcoming artisan market. by conducting a survey, he determines that for each $2 reduction in the price of the table, he will likely gain three
asked by lola 
algebra
an 18foot ladder leans against the wall of a building. the base of the ladder is 9 feet from the bulding on level ground.how many feet up the wall,to the nearest tenth of a foot,is the ladder?
asked by kirandeep 
Economics
It is 1932 and you are an economic advisor to President Roosevelt. What advice would you give the president in light of the economic problems facing the country? Where will you put the money into the economy? Will you give it to large corporations, small
asked by Help Me Please(I NEED 2 GRADUATE) :[ 
math
onehalf of a number is 8 less than twothirds of the number. write algebraic equation: the sum of x and 8 is 15 write algebraic equation: 4 more than x is 9 write algebraic equation: 5 less than twice x is equal to 35 write algebraic equation: the product
asked by ji 
Polynomial help
list 3 different ways to write 5^11 as the product of two powers.Explain why all of your expressions are equal to 5^11.
asked by Alex 
physics
Two point charges +q=1 μC and −q=−1 μC with mass m=1 g are fixed at the positions ±r ⃗ 0 with r 0=1 m. The charges are released from rest at t=0. Find the time τ in seconds at which they collide.
asked by Anonymous 
math
Assume you want to accumulate $125,000 for a longrange goal in 40 years. You have two choices. Plan A is an account with annual compounding and an APR of 5%. Plan B is an account with continuous compounding and an APR of 4.5%. How much of an investment
asked by emma 
math
a 10foot ladder is placed against the side of a building as shown i figure i below.the bottom of the ladder is 8 feet from the base of the building .in the order to increase the reach of the ladder against the building ,it is moved 4 feet closer to the
asked by kirandeep 
physics
What is the magnitude of the electrostatic force on a +5 C harge 1.75 m to the left of a 2.5 C Charge? (show your work)
asked by Mandy 
Physics helpp
Newtons 2nd law The force of earths gravity is about 10 N downward. Whats the acceleration of a 15kg backpack if lifted with a 15N force??
asked by Kate 
Social Studies
What happened to unions after the protest at Haymarket Square? My answer: Afterward, the Chicago police arrested hundreds of union leaders, socialists, and anarchists. Opposition to unions increased. The membership in the Knights of Labor dropped, even
asked by Anonymous 
physics
thus far in the course we have ignored that on the earths surface an object must have a slightly unbalanced force to rotate with the earth, pretending that the normal force precisely balances the objects weight. A student with a mass of 65.0kg stands at
asked by marie 
math
how to describe a model that represents 3/3x4/4?
asked by jack 
chemistry
3. When a mixture of 10.0 grams of acetylene (C2H2) and 10.0 grams of oxygen (O2) is ignited, the resulting combustion reaction produces CO2 and H2O. A) Write a balanced equation for this reaction. B) What is the limiting reactant? C) How many grams of C2,
asked by tra 
math
A cable 20 feet long connects the top of a flagpole to apoint on the ground that is 16 feet from the base of the pole.how tall is the flagpole? (A) 26ft (B) 10ft (C)12ft (D)8ft..
asked by kirandeep 
mathematics
Consider the following eqution x2 + 4y2 + 9z2 = 14x + 28y+42z + 147 Then the value of x+2y+3z is
asked by Anonymous 
Physics to Elena
At the upper surface of the earth's atmosphere, the timeaveraged magnitude of the Poynting vector is referred to as the solar constant and is given by =1.35×103W⋅m−2 . (a) If you assume that the sun's electromagnetic radiation is a plane sinusoidal
asked by Rohan 
calculus
The marginal cost for a product is given by dC/dq = 1000/sqrt3q+20, in hundreds of dollars, where q is given in thousands of units. Determine the cost in dollars involved in increasing product from 10 to 15 thousand units. If R(0)= C(0)= 0, the marginal
asked by Grant 
math
What is The ratio of w's to consonants in this sentence? Wes and Willow went walking.
asked by Anonymous 
math
Rewrite this expression using the distributive property. 4 x (8 + m)
asked by Anonymous 
Informations
What does Current GPA mean? What does Cumulative GPA?
asked by Celest 
math
You deposit $1200 in an account that pays an APR of 7% compounded monthly. How long will it take for your balance to reach $150,000?
asked by emma 
science
The scientific binomial name of a species is Canis vulpis. Which of the following is true? A. The species belongs in the family Cranis. B. the species belongs in the genus vulpis. C. the species belongs in the genus Canis. D. the species belongs in the
asked by Linda 
algegra
a person jumps off of a 6 foot high diving board with an initial velocity of 13 feet per second. how many seconds does it take the person to hit the water?
asked by amy 
arithmetic
there are n arithmetic means between 5 and 32 such that the ratio between the 3rd and 7th means is 7:13,find the value of n.
asked by Hussain 
Equation Ms Sue?
From midnight to 6:00 am, the temperature rose 8°C. At 6:00 am, the temperature was –20°C. What was the temperature at midnight. I know it's 208 = 28 C temp at 12am, but how do I write it an equation?
asked by Moby 
math
You and a friend are biking in opposite directions starting from the same point. You travel 108 feet every 8 seconds. Your friend travels 63 feet every 6 seconds. How far apart are you and your friend after 15 minutes?
asked by rena 
Chemistry
Is Cl2 + 2e > 2Cl an oxidation halfreaction?
asked by Anonymous 
math
A juice company decides to test six different brands of juice by comparing each brand with each of the other brands. How many different pairs of the six juices will be tested? 10 12 15 7 is it 15?
asked by Anonymous 
chemistry
4. A 35.0 mL sample of 1.00 M KBr and a 60.0mL sample of 0.600 M KBr are mixed. The solution is then heated to evaporate water until the total volume is 50.0 mL. What is the molarity of the KBr in the final solution?
asked by tra 
Math
A wheel on Greg's bicycle is 0.3 m in diameter. Greg races the bicycle for 31 m. How many times does the wheel turn as the bicycle travels this distance?
asked by James 
HISTORY
Was imperialism necessary in the 19th century?
asked by Ella 
algebra
A women has a ladder that is 13 feet long.if she sets the base of the ladder on level ground 5 feet from the side of a house,how many feet above the ground will the top of the ladder be when it rests against the house?
asked by kirandeep 
History
1. What major problem did the Roman Empire face in the mid to late Fourth Century? A. Weak leadership B. Immigration and invasion C. Lack of education within the empire D. Poor infrastructure 2. A staple food transplanted from Southeast Asia to the
asked by Becka 
chemistry
A 211 g sample of barium carbonate, BaCO3, reacts with a solution of nitric acid to give bar ium nitrate, carbon dioxide and water. If the acid is present in excess, what mass and volume of dry carbon dioxide gas at STP will be produced
asked by myrtle 
Math
25. Edith earns an annual gross salary of $17,500. She has 28% of her gross salary withheld for taxes and other deductions. What is the net pay of each paycheck if she is paid weekly? $274.04 $43.87 $242.31 26. Franklin deposited $1,400 in a savings
asked by Noelle 
Social Studies
Which of the trends started by railroads are still part of the modern business world?
asked by Anonymous 
HEEEELP MATHS
Let f(x) be a polynomial such that f(f(x))−x^2=xf(x). Find f(−100).
asked by Anubhav 
physical science
If the mass of a plane is 2,500 kg and the net force on it is 14,000 N, what is the plane's acceleration?
asked by Annabeth 
science physics
1.) What is the Magnitude of the electrostatic force on a +5 C charge 1.75 m to the left of a 2.5 C charge? (show your work) 2.) In What direction does the force on the +5 C charge act? 3.)Calculate the magnitude of the electric field of the 2.5 C charge
asked by Todd 
Social Studies
Why was the South so much less industrial than the North?
asked by Anonymous 
math
in 2010 i had 36 plums and in 2013 i now have 25 plums, what is the percentage of plums i have cut back on
asked by sue 
math
tom bought 3 pieces of bubble gum for 12 cents total, if tom paid with a quarter how much change was left after the purchase
asked by joy 
math
the surface area of a prism with base 25mm by 35 mm and the height at 50 mm
asked by Tina 
biology
4.3kj of heat energy stands for how many burgers ?
asked by Anonymous 
English
9. In which sentence is the word but used as a preposition? A. We would like to visit the Grand Canyon, but our vacation time is up. B. John liked baseball but not football. C. Children should be seen but not heard. D. None but the brave shall enter in. I
asked by NANA 
Geometry
onehalf of a number is 8 less than twothirds of the number. write algebraic equation: the sum of x and 8 is 15 write algebraic equation: 4 more than x is 9 write algebraic equation: 5 less than twice x is equal to 35 write algebraic equation: the product
asked by ji 
science
In one location pesticides called pyrethoids were used to control winter moths and leaf miners in apple orchards. Unfortunately, the chemicals killed more insects than intended, including predators of red mites and apple mites. After orchards were sprayed
asked by sexy laday 
English
(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. (4) After a heated discussion, Brenda and Max decided
asked by NANA 
College algebra
Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers f(x)=9x^4+28x^3+66x^2+196x+21 Find the real zeros of f Use the real zeros to factor f f(x)=
asked by Alex 
Chemistry
How many grams of barium nitrate is needed to form a solution with 5.00 mass% Ba (NO3)2 in 400 grams of water.
asked by Vicki 
criminal law
If most youth gangs are racially and ethnically homogenous, should law enforcement use race and ethnicspecific strategies to fight gang formation and to control gang crime?
asked by Mary58 
7th grade math
How does functions in math relate to what you put into it is what you get out of it? Can you explain for me? i'm thinking it doesn't really? one example if you can like in sports or goverment? Don't know.
asked by Tina 
Math~Reiny Could you help with this question?
List three different ways to write 5^11 as the product of two powers. Explain why all three of your expressions are equal to 5^11. Plz help it's urgent.
asked by Gabby 
science, psychology
Exhibit a behaviour that you do every day that you think is influenced by heredity and environment. Describe how three of the seven modern perspectives/approaches of psychology would be used to explain your behavior. Make sure that your discussion is not
asked by paul 
math
How do I set up the quadratic equation for this problem? 4.0= (2x)^2 / (1.0x)(1.0x) I know how to use the formula, but I have a hard time setting those equation to zero. Please explain step by step. Thank you
asked by Amalia 
math
What is the portion if the base is 900 and the rate is 12 3/4?
asked by lex 
Life orientation
Impact of lifestyle disease on the teenagers
asked by Sandile 
English
What will happen in the future? We will fly to the USA in an hour. We will visit Mars. We will go to the moon with our family. We will travel to many planets without paying a lot of money. We will live on Jupitor. We will live on another planet. We will
asked by rfvv 
geometry
a rectangular flower garden is surrounded by a grass border, the grass border is 5 meters wide on all sides of the flower garden and the outer dimensions are 50 meters by 40 meters. What is the area of the grass border?
asked by Herman 
math
Billy kicks a soccer ball with an initial velocity of 24 ft/sec into the goal. How long was the ball in the air? If the goalie caught the ball at a height of 4 feet from the ground, how long was the ball in the air before it was caught?
asked by Vanessa 
Writing
Advantages and Disadvantages of School Lunches “Never doubt that a small group of thoughtful committed citizens can change the world; indeed, it's the only thing that ever has.” Margaret Mead once said this, which means that we as Americans need to
asked by Monae 
spanish 1
gaston subio a los autitos chocadores pero primero __________ Tabien en el zoologico
asked by Anonymous 
science
You plan to generate many copies of this gene by PCR. You will then insert the PCR product into the plasmid. d) Which two primers from the list below will allow you to use PCR to amplify this gene? Check the two that apply. 5'GTGCA3' 5'CACGT3'
asked by Anonymous 
spanish 1
gaston subio a los autitos chocadores pero primero __________
asked by Anonymous 
math
Five friends went to a baseball game. Three of the friends each bought tickets for x dollars and a soda for $6.00. The other two friends each bought only tickets. Write and simplify an expression that represents the amount of money spent.
asked by Carabeth 
Functions  Math  8
x: 2  4  6 y: 1  0  1 Please show me how to find the rule, thanks. such as... y= *equation*
asked by L0vely 
math alggggggggggggebra
Find the largest possible integer n such that there exists a nonconstant quadratic polynomial f(x) with integer coefficients satisfying f(1)∣f(2),f(2)∣f(3),…f(n−1)∣f(n).
asked by joydeep2 
math
A rectangular flower garden is surrounded by a grass border. the grass border is 5 meters wide on all sides of the flower garden and the outer dimensions are 50 meters by 40 meters. Determine the area of the grass border and show how you got this answer
asked by Herman 
chemistry
balance the net ionic equation for the overall reaction. Pt  Fe2+(aq), Fe3+(aq)  I(aq)  AgI(s)  Ag(s) a) Fe3+(aq) + Ag(s) + I(aq) → Fe2+(aq) + AgI(s) b) Fe2+(aq) + Ag(s) + I(aq) → Fe3+(aq) + AgI(s) c) Fe3+(aq) + AgI(s) → Fe2+(aq) + Ag(s) +
asked by Lana 
question
You could not the enemy destroyer in the foy 1,maroon 2,circumvent 3,overlook 4,discern 5,reveal
asked by joy 
chemistry
If 15 grams of table salt is used how many moles of sodium sulfate are produced
asked by shelby 
Chemistry
0.1 mol of HCl is added to 1 L of water. What is [H+] and [OH]?
asked by Krystal 
Perform the indicated operation and simplify
X^22x15/x^2+x12*2x^26x/x^3+3x^2
asked by Jody 
math alggggggggebra
Find the largest number of real numbers x1,...,xn such that for all i≠j, xi−xj>1/100(1+xixj).
asked by joydeep3 
physics
A person takes a trip, driving with a constant speed of 92.5 km/h except for a 20.0 min rest stop. If the person's average speed is 71.2 km/h, how much time is spent on the trip and how far does the person travel?
asked by bob 
genetics
Once the _______ checkpoint is passed in the cell cycles, the cell is committed to division
asked by Anonymous 
physics
the space shuttle typically orbits 400 km above the earths surface. The earth has a mass of 5.98 * 10^24 kg and a radius of 6380km. A) How much would a 2000 kg part for the space station weigh when it has been lifted to that orbit in the shuttles cargo
asked by marie 
Sigmund freud
Provide detailed descriptions of individuals based on careful observation or formal psychological testing sigmund freud is famous for
asked by Anonymous 
Social Studies
How did Carnegie's company break the union at the Homestead mills? My answer: It broke the union after the company responded to the union's refusal to accept reduced wages by locking out union workers from the mill and announcing that it would hire
asked by Anonymous 
science
The nonliving matrix of the connective tissue through which the blood cells freely flow is the? A.plasma. B. extracellular fluid. C. intracellular fluid. D. submucosa.
asked by Linda 
Social Studies
How did Carnegie's company break the union at the Homestead mills?
asked by Anonymous 
chemistry
how much of 0.1 M NaOH is needed to neutralize 5mL of 0.1 M of HCL to a ph 7(color on the ph scale)...Thank you
asked by mae 
mechanics
Find the total kinetic energy of a 1500 g wheel, 700 mm in diameter, rolling across a level surface at 650 rpm. Assume that the wheel can be considered as a hoop. (b) For the wheel in part (a), calculate the torque required to decrease its rotational speed
asked by george 
phycis
A 12 g bullet is stopped in a block of wood (mw = 5.9 kg). The speed of the bullet pluswood combination immediately after the collision is 0.95 m/s. What was the original speed of the bullet? Answer in units of m/s
asked by Anonymous 
physics
A 12 g bullet is stopped in a block of wood (mw = 5.9 kg). The speed of the bullet pluswood combination immediately after the collision is 0.95 m/s. What was the original speed of the bullet? Answer in units of m/s
asked by Anonymous 
science
An attack helicopter is equipped with a 20 mm cannon that fires 61.6 g shells in the forward direction with a muzzle speed of 585 m/s. The fully loaded helicopter has a mass of 4890 kg. A burst of 208 shells is fired in a 2.32 s interval. What is the
asked by Anonymous 
Physics
The truss structure ABCD is loaded with a concentrated force P = 2 kN applied at a 45° angle at joint D as indicated in the figure. All bars in the truss have equal cross sectional area and are made of the same homogeneous linear elastic material. The
asked by simonsay 
Literacy
Who publishes Pediatric Nursing
asked by Princess 
math
10i(5+8i)
asked by amanda 
science
A 27 kg gun is standing on a frictionless sur face. The gun fires a 56 g bullet with a muzzle velocity of 314 m/s. The positive direction is that of the bullet. Calculate the momentum of the bullet im mediately after the gun was fired. Answer in units of
asked by Anonymous 
chmistry
Given that \rm S is the central atom, draw a Lewis structure of \rm OSF_4 in which the formal charges of all atoms are zero.
asked by Papayu Domu 
science
A 27 kg gun is standing on a frictionless sur face. The gun fires a 56 g bullet with a muzzle velocity of 314 m/s. The positive direction is that of the bullet. Calculate the momentum of the bullet im mediately after the gun was fired. Answer in units of
asked by Anonymous 
7th grade math
Horses, pigs and cows is really easy I can do it in my head but, my teacher told me I would have to start showing my work. I really have no clue how to do that I have always done it in my head. Can you pretty please help me I would gladly appreciate it.
asked by Abby 
science
A 27 kg gun is standing on a frictionless sur face. The gun fires a 56 g bullet with a muzzle velocity of 314 m/s. The positive direction is that of the bullet. Calculate the momentum of the bullet im mediately after the gun was fired. Answer in units of
asked by Anonymous 
life orientation
5 ways in which the air pollution problem on the community.
asked by molatelo 
enlish literture
narnia the lion the the witch and the wabode two literary devives were used in chapter 10 repetition and smiple identify the line that features these device
asked by Nick 
Social Studies
Which of the following contributed to Britain's Industrial Revolution? A. Large Labor force C. powerful monarchy B. Decreasing food supplies D. decreasing money supply. The textile industry met its last major challenge to full mechanization with the
asked by Erin 
Social Studies
The spread of the factory system resulted in: A. an increase in home production B. increased exports of British cotton good C. poorer quality of iron D. improved working conditions in factories. The industrial Revolution created new jobs in all of the
asked by Erin 
math
The probability that a positive divisor of 60 is greater than 9 can be written as a/b, where a and b are coprime positive integers. What is the value of a+b?
asked by jamesbond 
4th grade math
Hi! This question says Joe is thinking of o function machine.He says that the output is 12 if the input is 4.what are 2 rules that he could be thinking of for his function machine?( I would really be grateful if you helped me) ;)thanks
asked by Lexie 
maths
5x+6y=37 2x3y=4
asked by chan 
math helllllllllllpppp plzzzzzzzzzzzzzzzzzzzzzzz
What are the last 2 digits of 43^2082?
asked by jamesbond 
language arts
1. Which of the following would be the least appropriate topic when drafting a piece of descriptive writing? (1 point) a report on the condition of women workers in Afghanistan an instruction manual for a microwave oven a call to action to clean up a
asked by Delilah 
Science
what kind of energy is stored before the earthquake
asked by Anonymous 
algebra
The wheel in a bicycle has a diameter of 2 feet. if the wheel is turning at 50 rpm (revolutions per minute), how far, in feet, will the bicycle travel in 20 minutes?
asked by Aimie 
7th Grade Math ~Multiplying Polynomials
1. (2x)(10x) (1point) 20x 12x 20x^2** 5x 2. 3m(m+8) (1point) 3m^2+24 3m^224m** 24m^2 4m+5 3. 4d(2d9) (1point) 8d36d d 28d^2** 8d^236d 4. 5b(6b10) 11b10 5b^2+6b10 b10 30b^250b** Are these right
asked by Gabby 
Health
Which fats are considered the "essential fatty acids"? A. saturated fats B. unsaturated fats C. trans fatty acids D. All the above I think it is B or D...? I know A and C are bad for you but they are necessary.
asked by Cassie 
life orientation
6 ways in which earthquake can impact negatively on one's health
asked by grace 
math
If a mail man could deliver to 112 homes on foot and to 168 homes by driving what percent productivity increase by driving
asked by pollu 
PHYSICS/CHEMISTRY
Can someone explain to me, what does Metastable isotope means? I already read the definitions on the internet but I really don't understand it. Thanks in advance.
asked by LG 
Math
A bullet reaches a speed of 900 ft per sec in .2 sec. What is its acceleration.
asked by Kory 
Reiny or Steve could you check my Math?
1. (9m+6)+(5m6) my answer: 4m 2. (3r^2+7r+1)+(4r^28r2) my answer: 7r^2r1 3. (6h1)(9h+4) my answer: 3h3 4. (m^2m4)+(m5) my answer: m^29 5. (4x+4)+(3x+2+1) my answer: 7x+7 Now this was book work for me so it doesn't have multiple choice, so are
asked by Gabby 
Governmnet
which of the mass media has the most impact on american politics? A. television B. the internet
asked by Megan 
Justice system
1. __________ are the largest and most visible segment of the criminal justice system. A. The police B. Court clerks C. The courts D. Attorneys is it A 2. Structurally, policing in the United States is: A. centralized. B. decentralized. C. interdependent.
asked by Amy 
physics
A beam of light strikes the flat, glass side of a waterfilled aquarium at an angle of 37.5° to the normal. For glass, n = 1.50. (a) At what angle does the beam enter the glass? (b) At what angle does the beam enter the water?
asked by A 
government
which provides evidence that political parties are not as strong as they once were? A. the increasing number of independents B. the lack of straightticket voting C. increased spending on campaigns D. increased numbers of registered Democrats
asked by Megan 
physics
A thick sheet of plastic, n = 1.500, is used as the side of an aquarium tank. Light reflected from a fish in the water has an angle of incidence of 30.0°. At what angle does the light enter the air?
asked by A 
math
what is the percent in the form specified of 48%ratio,1%decimal,99%fraction
asked by joge 
math
0.2(x+30)0.03(x40)=17.4
asked by mike 
physics
A ray of light in a tank of water has an angle of incidence of 23°. What is the angle of refraction in air? (Enter 0 if total internal reflection occurs.)
asked by A 
Literature (Ms. Sue)(or Writeacher)
The short story is called Chicoria by Rudolfo A. Anaya. How does the server respond when Chicoria says he expects to be fed well at the rancher's table? My answer: The servant becomes rather surprised by Chicoria's statement, causing him to explain to
asked by Anonymous 
physics
The speed of light in a certain piece of clear plastic is 1.95 108 m/s. A ray of light strikes the plastic at an angle of 21°. At what angle is the ray refracted?
asked by A 
Science (bobpursley)
Why is an extra day added to February every four years?
asked by Anonymous 
physics
A convex lens is needed to produce an image that is 0.70 times the size of the object and located 28 cm from the lens on the other side. What focal length should be specified?
asked by A 
Math
What is 4963rounded to the nearest hundred?
asked by Johnny 
physics
Camera lenses are described in terms of their focal length. A 50.0 mm lens has a focal length of 50.0 mm. (a) A camera with a 50 mm lens is focused on an object 4.0 m away. Locate the image. (b) A 980 mm lens is focused on an object 125 m away. Locate the
asked by A 
physics
In order to clearly read a book 16 cm away, a farsighted girl needs an image to be 36 cm from her eyes. What focal length is needed for the lens in her eyeglasses?
asked by A 
physics
The convex lens of a copy machine has a focal length of 22.0 cm. A letter to be copied is placed 37.0 cm from the lens. (a) How far from the lens is the copy paper? (b) How much larger will the copy be?
asked by A 
Justice system
1. Customs and Border Protection (CBP) is part of the: A. Department of Homeland Security. B. Bureau of Dangerous Drugs. C. Drug Enforcement Administration (DEA). D. U.S. Marshals Service. is it A 2. The most visible private police agency during
asked by Amy 
math
Judy frog brings 6 socks on a trip. one third of the socks are red. the rest are green. how maby socks are red? how many are green?
asked by Miyana 
math help
How do I write this in inequality? The value of r is at most 10 and would it be an open or closed on the number line? I think open?
asked by Moby 
math
julia studied math for 3 1/3 hours during the 4 days before her last math test what was the average amount of time she studied each day
asked by elizabeth 
Math
on Monday the temperature was 2 degrees. By 4:30 Tuesday the temperature dropped by 4 degrees. By 8am Tuesday, the temperature was 1 degree. therefore find: What was the temperature at 4:30am? What the temperature change between 4:30am and 8am?
asked by Anonymous 
government
to be president of the united states a person must have lived in the united states for at least this number of years
asked by Anonymous 
Science space
I am doing a project on the planet uranus and I need a map showiong the path to my planet that i have chosen. The picture of the path must include asteroids, comets or other interesting objects. I am having so much trouble looking for such a picture. I
asked by Alexander 
math
1. change to improper fraction: 9 5/9 2. change to improper fraction: 6 23/39 3. change the improper fraction to a whole number:115/20 4. multiply 4 3/4 x 1 1/7 5,subtract 20 11/15 17 1/3 6 2(6)(8)(0)(5): multiply 7. solve for the variable: 0.1p=7
asked by John 
chemistry
4. A 35.0 mL sample of 1.00 M KBr and a 60.0mL sample of 0.600 M KBr are mixed. The solution is then heated to evaporate water until the total volume is 50.0 mL. What is the molarity of the KBr in the final solution?
asked by tra 
calculus
Farmer Jones has 210 meters of fence. She wishes to construct a rectangular pen using the river as one side and dividing the pen into six separate rectangular pens as shown. What should the dimensions of the combined pens be to maximize the area enclosed?
asked by Anonymous 
Justice system
Detectives more typically focus their energies on homicide and rape cases, as opposed to burglary and robbery cases, because: A. there is political pressure to do so. B. the victims can more often provide clues that make the cases easier to solve. C.
asked by Amy 
Programming Logic
How do I write case logic pseudocode and visual logic nested ifthenelse flow charts for atm check balances, making remote photo capture check deposits, and perform balance transfers?
asked by Ryan 
math
Ralph, Mario, Jack, Laura, and Maria are in the math club. The club advisor will assign students to 3person teams at the next math team competition. How many different 3person teams can be formed from these five students? would this be 10, because of 5 *
asked by Anonymous 
physics
An organ pipe is 84 cm long and at a temperature of 20 degrees C. What is the fundamental (in Hertz) if the pipe is closed at one end thanks!
asked by BG 
math
A major leaugue baseball player hits a ball 3 feet above the ground with a velocity of 103 feet per secon in the direction of a 10 foot wall that is 300 feet from home plate. If the hit is at an angle of elevation of 34 degrees and there is wind blowing 22
asked by Chris 
Math
How do you add fractions??
asked by Maddie 
College Algebra! help!
Consider the following functions f(x)= (7x+8)/(x+3) and g(x)= (3x8)/(7x) (a) Find g(g(x)) (b) Find g(f(x)) (c) Determine whether the functions f and g are inverses of each other.
asked by Rosie 
math
A major leaugue baseball player hits a ball 3 feet above the ground with a velocity of 103 feet per second in the direction of a 10 foot wall that is 300 feet from home plate. If the hit is at an angle of elevation of 34 degrees and there is wind blowing
asked by Chris 
Algebra
An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 1,500 + 200 ln a (a ¡Ý 1)How many units are sold after spending $1,000? (Round
asked by Jim 
math
A major leaugue baseball player hits a ball 3 feet above the ground with a velocity of 103 feet per second in the direction of a 10 foot wall that is 300 feet from home plate. If the hit is at an angle of elevation of 34 degrees and there is wind blowing
asked by Chris 
analytical
I have 5ml of 0.07 mol/l Hcl I want to increase the molarity to 1 mol/l by adding minimum volume of hcl 31.2% density 1.15 kg/l how much I have to add
asked by nebal 
Chemistry
How Many molecules Of sodium are contained in 2 L Of sodium dichromate? The density Of sodium dichromate is 3.7 g/ml
asked by Carolina 
Science (chemistry) help please
The following data was obtained from titrating a solution containing 25 mL of 0.0100 M MgCl2 solution, 1 mL of NH3OH buffer, and 10 drops of Calmagite with EDTA. Calculate the concentration of EDTA. Report the answer with three sig figs. I don't know what
asked by andy 
Calculus
Describe the surface and give traces: x = y^2  4z^2
asked by Liz 
Life oriantation
what are the 5ways in which HIV and AIDS impacts in human and communities?
asked by portia Thandeka MAhlobo 
Chemistry
Using your experimental data, calculate E0cell. Standard voltaic cells contain 1M solutions, but we used 0.10M solutions in all of our half cells. Use the Nernst equation to calculate the standard cell potential (E0cell) from your measured Ecell and Qrxn.
asked by Chloe 
Life oriantation
what are the recommendations on how to address HIV and AIDS?
asked by portia Thandeka MAhlobo 
Science 1 question SPACE
I reposted this question because noone helped and I need help fast! I am doing a project on the planet uranus and I need a map showiong the path to my planet that i have chosen. The picture of the path must include asteroids, comets or other interesting
asked by Alexander 
Life oriantation
what are the 2 community Organizations that are involved in giving redress to these factors and how these community organizations are involvedin repressing these issues?
asked by portia Thandeka MAhlobo 
science
First find the impedance of each circuit. then find the voltage across: current through and power dissipate by each resistor. Construct a data table to organize your answers
asked by D.C 
Calculus
An object is traveling along the x axis so that its speed is given by 2 v(t) t 7t 10 m/s. (a) Find the times when the object is at rest.
asked by Michael 
Economics
I am having problems answering the question below can you please help? With probability p, you will catch a disease that reduces your income from y, its level when you are healthy, to yk, where k > 0. A vaccine is available, at cost c, that reduces the
asked by Emma 
Calculus
An object is traveling along the x axis so that its speed is given by v(t)=t^27t+10 m/s. (a) Find the times when the object is at rest. (b) Find the acceleration at both of these times. Interpret the acceleration in terms of the motion of the object, ie
asked by Elliott 
Economics
According to the following game tree, and if the entrant and incumbent both only care about their own monetary payoff, what is/are the game's Nash equilibrium? Entrant  stays out (2,15)  enters If the entrant enters, Incumbent  co operates (5,5) 
asked by Candice 
MATH
JOhn had prepared the problem sets for Levels 1 to 5 of Geometry and Combinatorics for next month but forgot to label which set was for which level. Since Calvin didn't label them, the computer assigned them labels 1 through 5 randomly, with each label
asked by intermediate player PLEASE HELP 
Riemann Sums
Use the Riemann Sums corresponding to 5 inscribed rectangles of equal width to approximate the integral a= 1, b= 3, (1/x)dx this is all for definite integral i just know x1=1.4, x2=1.8, x3=2.2, x4=2.6, x5=3.0 how do i continue
asked by Eric 
Quantitative Analysis for Business
The ages of a group of 50 women are approximately normally distributed with a mean of 48 years and a standard deviation of 5 years. One women is randomly selected from the group, and her age is observed. A) Find the probability that her age will fall
asked by Silvia 
Written Communication
You can feed a(n) A. pachyderm. B. gauche. C. ocular. D. hypodermic.
asked by Anonymous 
life orientation
5 ways in which the human or environmental problem impacts on the community
asked by khanyisile Simamane 
Maths
Two angles of triangle are pie/6 and 2pie/3 radians. What is the measure of the third angle in degrees?
asked by Lisha 
Physics to Elena
An optical fiber is a flexible, transparent fiber devised to transmit light between the two ends of the fiber. Complete transmission of light is achieved through total internal reflection. This problem aims to calculate the minimum index of refraction n of
asked by Rohan 
algebra
Need help with 3 problems on page 167 X+2y=6 5x+3y=2 4x3y=20 x8y=5 5x+6y=11 3x+y=4
asked by dee 
Physics to Elena
Ex=0 ; Ez=0 Ey = 10 sin(3.14x  6.08e8 t) what is the timeaveraged Poynting vector (magnitude and direction) for the position x=y=z=−3 ?
asked by Rohan 
Math
The sum of two numbers is twice their difference. The larger number is 6 more than twice the smaller. Find the two numbers.
asked by Scarlett 
Probablity
Samir had prepared the problem tests for Stages 1 to 5 of Geometry and Combinatorics for next week but forgot to label which test was for which stage. Since Samir didn't label them, the computer assigned them labels 1 through 5 randomly, with each label
asked by Mathslover 
math
How many positive integers n are there such that 10^n≤n^10?
asked by Nilesh P. 
Maths
For a set of numbers T, we say that T has distinct subset sums if all distinct subsets of T have distinct sums. How many subsets of {1,2,3,4,5,6,7,8} have distinct subset sums? Details and assumptions The empty set (the set of no elements) has sum 0 by
asked by Mathslover 
math please helppppppp
For a set of numbers T, we say that T has distinct subset sums if all distinct subsets of T have distinct sums. How many subsets of {1,2,3,4,5,6,7,8} have distinct subset sums? Details and assumptions The empty set (the set of no elements) has sum 0 by
asked by Mathslover 
Physics
A point charge of charge 1 mC and mass 100 g is attached to a nonconducting massless rod of length 10 cm. The other end of the rod is attached to a twodimensional sheet with uniform charge density σ and the rod is free to rotate. The sheet is parallel
asked by Nilesh P. 
Math pleaaaase help
A national math contest consisted of 11 multiple choice questions, each having 11 possible answers. Suppose that 111 students actually wrote the exam, and no two students has more than one answer in common. The highest possible average mark for the
asked by Mathslover 
Geometry please help
Ravi wants to trisect an angle AOB, which has measure θ. From A, he drops a perpendicular to side OB, intersecting at C. He then constructs an equilateral triangle ACD on the opposite side of AC as compared to O. He claims (without any justification) that
asked by Mathslover 
Math
Let S be the set of {(1,1),(1,−1),(−1,1)}lattice path which begin at (1,1), do not use the same vertex twice, and never touch either the xaxis or the yaxis. Determine the largest value of n such that every path in S which ends at (n,n) has length at
asked by Sambaran G. 
health
ten ways in which floods can cause negative impact on ones health
asked by Anonymous 
math
Rewrite this expression using the distributive property. 4 x (8 + m)
asked by Anonymous 
math
how to get the 5^2=13^2
asked by kirandeep 
Math
what is the area of a circle with a circumference of 43.98226in.?
asked by Gabriela Lucas 
Bio
a) Make a single base pair substitution mutation in the gene below that results in a mature mRNA that is shorter than the mature mRNA produced by the original gene. When you are satisfied with your change and its effect, click the "Final Check" button.
asked by Amos Amines 
Social Studies
How did Carnegie's company break the union at the Homestead mills?
asked by Anonymous 
Maths
Find the area of the sectors in a circle of radius 10cm where the angles at the centre are; 60 degrees
asked by Lisha 
Calculus help!
Three forces with magnitudes 75 pound, 100 lb, and 125 pound act on an object at angles of 30 degrees, 45 degrees, and 120 degrees respectively. Find the direction and magnitude of the resultant vector.
asked by Liz 
maths
Find the area of the minor segment in a circle with radius 6.2 cm and subtending an angle of 135 degrees at the centre.
asked by Lisha 
Calculus
Fuel is flowing into a storage tank which can be filled to a depth of 6 metres. When the fuel started flowing the tank was already filled to a depth of 2.5m. If the rate at which the depth of fuel in the tank is increasing, in metres per hour is given by
asked by Grant 
philosophy
Both Nietzche and Wittgenstein raise the issue of the morality of morality. In other words, they ask "Why should someone be good?" Describe the different ways in which Wittgenstein and Nietzsche understand the human moral predicament i.e. the challenge of
asked by S 
Physics
SD TRUSS PROBLEM WITH THE METHOD OF JOINTS The truss structure ABCD is loaded with a concentrated force P = 2 kN applied at a 45° angle at joint D as indicated in the figure. All bars in the truss have equal cross sectional area and are made of the same
asked by helpless 
Philosophy HEELLLPPP!!
Simone de Beauvoir warns against “ethical recipes,” suggesting instead that life and ethics are both inherently ambiguous. Choose one of the ethical “recipes” or “methods” offered by Manning, Kant, Mill. What ambiguities remain even after the
asked by Mary 
Writing for Success
Review chapter 12, section 2 of Writing for Success. What is the most important concept you learned
asked by Debra 
Social studies
What islands did Columbus call the Indies?
asked by Kelley 
math
write the algebraic equation for "after 7 is added to a number, the sum is divided by 4 and the result is 12"
asked by ji 
trigonometry
tanx/2=tanx/secx+1
asked by lisa 
Social Studies
How was the South so much industrial than the North?
asked by Anonymous 
2 math
write algebraic equation for 36 equals q increased by 9.
asked by ji 
MATH
For what integer 0
asked by intermediate player PLEASE HELP 
French Is this translate correctly
Is this translated correctly? When we went camping, Dad and I forgot to pack sleeping bags for my mom and sister. They were furious. I slept well that night. The next day, Dad and I were about to hike, when we noticed mom and my sister drank all of the
asked by Bryce 
MATH
1. Add or Subtract. (4x^2+15x3)(3x^2+5)
asked by Gabby 
accounting
Test question: On July 31, 2012, Buddy’s Bathtub Renovations Inc. invested $98,000 in U.S. Treasury bills. The bills mature in 120 days at $100,000. Prepare a journal entry
asked by Anonymous 
english
You could not the enemy destroyer in the foy 1,maroon 2,circumvent 3,overlook 4,discern 5,reveal
asked by joy 
Physics
Newtons second law What net force acting on a 14kg wagon produces an acceleration of 1.5 m/s^2?
asked by Kate 
helllllp MATHS
x and y are positive values satisfying x+y=1/4 . When ln(y^2+4xy+7) attains its maximum(subject to the given constraint), what is the value of 1/xy ?
asked by Anubhav 
life orientation
in 1015 lines critically discuss 5 ways in which substance abuse impacts on the community.
asked by lerato 
english
the managers decision was not based on a consideration of fairness it was simply a case  1 expediency 2 importance 4 trial 5 judgment 6 corruption
asked by joy 
mathematics
Find the largest number of real numbers x1,...,xn such that for all i≠j, xi−xj>1/100(1+xi xj).
asked by Nilesh P. 
math
What is 4 x (8 + m)?
asked by Anonymous 
Chemistry
How to calculate Q in Nernst Equations, we used 0.10M solutions in all of our half cells. Nernst equation: Ecell = E0cell  RT/nF ln Q Overall reactions: Cu(s) + Pb2+(aq) ~ Cu2+(aq) + Pb(s) and 3Pb(s) + 2Al3+ ~ 3Pb2+ 2Al(s) Thank you!
asked by Chloe