Questions Asked on
November 13, 2013

science
which of the following is the smallest conceivable amount of time that could pass between a lunar eclipse and a solar eclipse ? a) about 14 days b) about 28 days c) about 183 days d) about 365 days
asked by victoria 
Science
Which of the following would not be useful in determining the age of a fossil? a. Radiometric dating of the rock containing the fossil. b. Relative dating of the layers surrounding the fossil. c. Identification of fossils of known age found near the fossil
asked by Anonymous 
science
which of the following descriptions of the moon's surface is accurate? a) the moon's surface is wet and smooth b) the moon's surface is dry and irregular c) the moon's surface has mountains and oceans d) the moon's surface is exactly like Earth's surface
asked by victoria 
science
Why did the following change occur ? The snow that covered the ground all winter began to melt,temperature rose, and flowers started to bloom. a) days became shorter b) earth's tilt on its axis shifted. c) the sun's rays became more concentrated d) Earth
asked by victoria 
chemistry
Draw the compound that would produce 4ethyl3hexanol in the presence of a nickel catalyst and hydrogen.Plaese help!!!!!
asked by mona 
Science
Which of the following occurs during artificial selection but not natural selection? a. Selection pressures result in only certain traits from a population being passed on to offspring. b. Traits are passed to offspring through genes. c. Males and females
asked by Anonymous 
Science
Which of the following explains how natural selection leads to evolution? a. Conditions in the environment reduce competition for resources within a species. b. Helpful variations accumulate among surviving members of the species. c. Overproduction
asked by Anonymous 
U.S. and Global Economics: Involving MATH
PLZZZ.. Help I just don't understand how to calculate this A landlord wants to acquire an additional apartment building for $250,000. The new building contains eight apartment units, which will each rent for $500 per month. The bank is willing to loan the
asked by Mary 
science
tides are caused by the force of inertia from the sun and moon acting on Earth. true or false
asked by victoria 
physics
If you push a box a distance of 2,000 meters with a force of 1 newton, how many Calories have you used? 1 Calorie= 4,187 Joules
asked by BrainyBird 
physics
A 68 kg man is iceskating due north with a velocity of 5.6 m/s when he collides with a 42 kg child. The man and child stay together and have a velocity of 3.0 m/s at an angle of 35° north of due east immediately after the collision. What are (a) the
asked by kristy 
chemistry
Draw the compound that would produce 4ethyl3hexanol in the presence of a nickel catalyst and hydrogen.Please help!!!!!
asked by mona 
chemistry
The halfequivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted. If 0.220 moles of a monoprotic weak acid (Ka = 3.7 × 105) is titrated
asked by samm 
Science
Over millions of years of time, an island's vegetation shifts. The seedproducing plants that dominated the early origins of the island die out in favor of new species of plants that do not produce seeds but provide a good habitat for insects. How is this
asked by Anonymous 
8th grade science
Q: A person living in North America will be able to see 15 lunar eclipses in the 20102020 decade. In the same time period, only two solar eclipses can be observed in North America. why will more lunar eclipses than solar eclipses be visible from North
asked by gina 
Physics
A 1400kg race car can go from 0 to 90km/h in 6.0s . What average power is required to do this?
asked by Anonymous 
Language Arts
To this the strategist Odysseus answered: Why is he referred to as "the strategist Odysseus'? “My lady goddess, here is no cause for anger. My quiet Penelopehow well I know Would seem a shade before your majesty, Death and old age being unknown to you,
asked by Angie 
science
why can you never see the far side of the moon from Earth ? a) because earth is spinning too quickly b) because it cannot be seen during daylight hours c) because the moon rotates once on its axis in the same time that it takes to revolve around earth d)
asked by victoria 
physics
If you push a box for a distance of 1 meter with a force of 4.187 newtons, how many calories have been used? 1 calorie= 4.187 Joules
asked by BrainyBird 
Algebra I
Describe a real world relationship between the area of a rectangle and its width, as the width varies and the length at the same time. Sketch a graph to show the relationship. So far, I have that even when the width increases, the width times the length
asked by Anonymous 
english/III
Analyze the sentence to select the adverb clause, subordinating conjunction, and the word(s) modified in the appropriate boxes below. Please get to bed early since you have a test tomorrow Adverb clause: Word(s) modified: Subordinating conjunction:
asked by briana 
CHEMISTRY
An ethanolwater solution is prepared by dissolving 10.00 ml ethanol C2H5OH (density=0.789g/ml) in sufficient water to produce 100.00 ml of solution with a density of 0.982g/ml. What is the concentration of ethanol in this solution? Expressed as ml.
asked by ADRIAN 
PreCalculus
A manufacture has been selling 1050 television sets a week at 360 dollars each. A market survey indicates that for each 20 dollar rebate offered to a buyer, the number of sets sold will increase by 200 per week. p(x)=1x/10 + 465 How large of a rebate
asked by Ann 
CHEMISTRY
Is this exothermic or endothermic? EXPLAIN C2H2+H2> C2H4 Is this exothermic or endothermic? EXPLAIN C2H2+2H2>C2H6 Is this exothermic or endothermic? EXPLAIN C2H4+ H2 > C2H6
asked by Anonymous 
Writing
The first challenge to the confidence of these amateur renovators come with buying tools and equipment. What correction should be made to this sentence? 1 change challenge to chalenge 2 change come to comes 3 change come to came 4 change come to coming 5
asked by Lynch 
math
A type of bacteria doubles in number every 12 hours. After 2 days, there are 48 bacteria. How many bacteria were there at the beginning of the first day.
asked by Taylor 
Math
1. What are the steps to solve this problem? 0.000027 ÷ 0.000009 • Explain how to use scientific notation to solve the problem. • Describe how to divide numbers written in scientific notation. • Give you final answer in simplest form. (5 points) I
asked by anonymous 
chemistry
500.0 mL of 0.140 M NaOH is added to 625 mL of 0.200 M weak acid (Ka = 1.37 × 105). What is the pH of the resulting buffer?
asked by samm 
math ms sue please help, PLEASE!!!!
tori had 20 gumballs in a bag. there were 2 red gum balls, 3 blue gum balls, 5 yellow gum balls, and 10 purple gum balls. what was the ratio of blue gum balls to total number of gum balls?
asked by math help 
English story
Girls and boys by alice munro 1) what does the mother expect of her daughter and why does the narrator feel that her mom is her "enemy"? 2) why does the girl find fathers work more interesting than her moms!?
asked by Katherine :)) 
first steps in using a personal computer
liz will use a cdr compact disk to write to more than once.carlo will use a cdrw comact disk to wite more than once .who is using the correct disk for its purpose a.carlos b.neither c.liz my answer is c
asked by susue 
Math
at a large state university, 60% of the students who apply are accepted. Of those who are accepted, 40% actually enroll. If 20,000 students apply, how many actually enroll?
asked by Vicky 
physics
In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.13 kg) and embeds itself in block 2 (mass 1.75 kg). The blocks end up with speeds v1 = 0.600 m/s and v2 = 1.32 m/s
asked by kristy 
physicx
The radius of the orbit of a geosynchronous satellite is 36000 km. then the period of revolution of a satellite with its orbital radius 9000 km would be ?
asked by satya 
ratio and proportions
a fruit punch recipe calls for 3 parts of apple juice to 4 parts of cranberry juice . how many liters would be added to 4.5 L of apple juice?????? please helpp
asked by rian 
math
A type of bacteria doubles in number every 12 hours. After 2 days, there are 48 bacteria. How many bacteria were there at the beginning of the first day. I know the answer is 3, but want to know how it arrived at the number "3"
asked by Taylor 
math
Jack took a test and got 13 out of 17 points. He took a makeup test and got 12 out of 15 points. The percent of increase in Jack's score is about what? 3.5% 4.6% 5.9% 6.7%
asked by Anonymous 
Math
Convert the following fractions to decimals. Round to 2 decimal places if necessary. 1. 1/4 2. 3 7/16 3. 25/13
asked by Alan 
math
Name 3 fractions whose decimal equivalent is 0.25. Explain how you know each fraction is equivalent to 0.25.
asked by anonymous 
health
You and several of your colleagues business partners have decided to establish an outpatient fertility clinic in your service area. All of you are very familiar with this patient population base, have completed an extensive market analysis that
asked by Taylor 
business accounting
the long distance company that you use charges $5.00 per month and $0.10 per minute per call. If your current bill is $25.00, how many minutes did you use?
asked by Passaic county 
History
Identify the changes in the arabian peninsula during the 600's
asked by Angie 
physics
In the figure, block 1 of mass m1 slides from rest along a frictionless ramp from height h = 2.8 m and then collides with stationary block 2, which has mass m2 = 2m1. After the collision, block 2 slides into a region where the coefficient of kinetic
asked by kristy 
Physics (Please Help)
Problem 4.4 Suppose n o and n e are given. In (a) you only need to find the magnitude of the group velocity. Problem #2 in HW 10 may be helpful. You can also directly use the definition of group velocity, i.e., v g = triangle k w (k), taking into account
asked by Joy 
math
Julius sold 5x as many computers as Sam sold last year. In total they sold 78 computers. How many computers did Julius sell. **Solve each problem by WRIING and solving the equation.
asked by sheila 
first steps in using a personal computer
alphonus and larry are discussing start menu commands.alphonus will go to the control panel to see a display of all local and remore drives.larry will go to computer to make changes to some computer settings.who is correct a.neither b.both c.alphonus
asked by susue 
Math
3,559,028,982 when this number is written in expanded form using exponents,one power of 10 would not be represented.witch power of 10?why?
asked by Emica 
statistics
Please help A random sample of n=500 households where 150 have combined cable,phone, and internet service. Firrst, calculate phat, the sample proportion of households having such service. Then use a confidence level for pi, the proportion of all
asked by Sandra 
maths
what fraction of metre is 60cm and 75cm?
asked by Kina 
Writing
The cost of new homes is high today. Many people are purchasing older homes in need of renovation. The most effective combination of sentence 1and2 would include which of the following groups of words? 1
asked by Lynch 
first steps in using a personal computer
to access wordpad jill will click start,all programs,accessories,and wordpad.to access notpad,karl,will click start,all programs,accessories, and notepad.who is correctly accessing the word processor a.karl b.neither c.both my answer is c
asked by susue 
math
Brandon and Jacob buy used cars at the same time. Brandon buys a car with 10,000 miles on it. He drives an average of 100 miles a week. The equation that follows can be used to determine how many miles, m, will be on the car after any number of weeks of
asked by lance 
Phsyics
How might they use spectroscopy to deter mine the atmospheric composition of these planets? 1. None of these 2. By analyzing the spectrum of the surface of the planets. 3. All of these 4. By analyzing the molecules that compose the planets. 5. By
asked by Andrew 
Physics
Nuclear fusion reaction will occur in a gas duetorium hydrogen nuclei when a nuclei has an average kinetic energy of atleast 0.72MeV. What is the temperature required for nuclear fusion to occur with duetorium hydrogen? (take boltmann constant k = 1.38 x
asked by Adigun 
accounting
The magnitude of operating leverage for Perkins Corporation is 3.4 when sales are $100,000, if sales increase to $110,000, profits would be expected to increase by what percent?
asked by Anonymous 
physical
What is bone strengthening? A. How hard a person works to do an activity B. How hard a person plans to do an activity C. How easily a person is able to do an activity D. How difficult it is for a person to complete an activity
asked by shakileya 
Math
1. What is the vertex of each of these parabolas? a. y = (x –7)2 +4 b. y = 3(x + 7)2 – 4
asked by Sammy 
Physics
A block accelerates at 3.2 m/s down a plane inclined at an angle 28.0◦ Find µk between the block and the inclined plane. The acceleration of gravity is 9.8 m/s2.
asked by Kyla 
History
What is the significance of the black stone and where is it located? How did the caravan trade benefit the Arabian peninsula in the fifth and sixth centuries and why did the trade routes change during this time?
asked by Angie 
Statistics Question 3
A company sells cans of chicken soup that that are advertised to contain 20 oz. However due to variations in the manufacturing process, the volume of soup in the cans is, in fact, Normally distributed with a mean of 20.1 oz and a standard deviation of 0.4
asked by Steven 
Math
Suppose a random variable X has a uniform distribution over the interval [10,10]. • Find the probability that X lies between 2 and 6? • Find the probability that X2 lies between 9 and 64? (Note X2 is the square of X.)
asked by Steven 
algebra
What is the equation for the line of best fit that matches the data shown in the table and in the graph? x y 7 9 3 6 1 3 2 1 6 1 A. y = 0.79x  3.12 B. y = 0.79x + 3.12 C. y = 3.12x  0.79 D. y = 3.12x + 0.79 i can't show the graph here but it's
asked by ezra 
English
what is the word for to 'gradually persuaded'?
asked by Anonymous 
history
Which country lawyer from Ashtabula, Ohio, argued that criminals are not born, but are made by the unjust condition of human life? A. Herbert Spencer B. William Graham Sumner C. Clarence Darrow D. Washington Gladden
asked by karena jones 
programming
Waiting time in the queue by the driver can be used as a criterion whether toll plazas customer centric or not. Assume there are 3 counter serving customers. Customers who come will get in the shortest line (based on the number of customers / vehicles in
asked by huda 
statistic
A coin is tossed 6 times. Find the probability that all 6 tosses are tails.
asked by Michaela 
chemistry
I am having a hard time with this problem. I was wondering where I went wrong. The problem says The equilibrium constant, Kc, for the reaction of H2 and N2 is 1.7×10^2 at 225 ∘C. 3H2(g)+N2(g)←→2NH3(g) If the system at equilibrium contains 0.16M H2
asked by chelsea 
german
Which "twoway" preposition generally governs the Accusative case? unter an neben über
asked by orpheus 
Math
What does 50.4 round to if its it is round to the nearest square mile I need it now
asked by Cailee 
Language Arts
What does this comparison tell you? A gull patrolling between the wave crests of the desolate sea will dip to catch a fish, and douse his wings; no higher above the whitecaps Hermes flew
asked by Angie 
Math
Find the missing sides of the similar triangles ABC and DEF. AC=2 AB=5 CB=? DF=4 FE=8 DE=?
asked by Heather 
Physics Urgent please help
A physical pendulum consists of a body of mass contained in the xyplane. The moment of inertia of the object about an axis perpendicular to the plane and passing through the object's center of mass is I_cm . The object oscillates in the xyplane about the
asked by Ramana 
Math
if 6 bars of soap cost $2.70, how much would 10 bars of soap cost?
asked by Kelsey 
math118
Numbers is a game where you bet $1.00 on any 2digit number from 00 to 99. If your number comes up, you get $80.00. Find the expected net winnings.
asked by lawerance 
Math
If you can buy three raffle tickets for $5, how many tickets can you buy for $55? I need to know to different ways to solve this problem...
asked by Caroline 
math
At the Kolbus building 3 out of every 7 employees use public transportation. There are 9,800 employees at the building. How many use public transportation?
asked by janey 
math
the number of students at a university increases from 8000 in 1970 to 20,000 in 2000. what was the percent increase in enrollment from 1970 to 2000?
asked by Vicky 
physicsSTEVE OR DR>BOBB 22
The radius of the orbit of a geosynchronous satellite is 36000 km. then the period of revolution of a satellite with its orbital radius 9000 km would be ?
asked by stantry 
MathAlgebra
1. The force (in Newtons) applied to an object varies jointly as its mass and acceleration. How much force is needed to accelerate a 25 kg object by 3 m/s^2? 2. The potential energy of an object varies jointly as its mass and height from the ground. If the
asked by McKenna Louise 
Physics
Nuclear fusion reaction will occur in a gas duetorium hydrogen nuclei when a nuclei has an average kinetic energy of atleast 0.72MeV. What is the temperature required for nuclear fusion to occur with duetorium hydrogen? (take boltmann constant k = 1.38 x
asked by Adigun 
Math
Rob practiced 3/5 of his music in 25 minutes. About how long did it take him to practice all his music?
asked by Steven 
physics
A 19 turn circular coil of wire has diameter 1.09 m. It is placed with its axis along the direction of the Earth's magnetic field of 51.0 µT, and then in 0.195 s it is flipped 180°. An average emf of what magnitude is generated in the coil?
asked by Cassandra 
History
How long did Shi Huang rule China as the first emperor?
asked by Anonymous 
account
You and several of your colleagues business partners have decided to establish an outpatient fertility clinic in your service area. All of you are very familiar with this patient population base, have completed an extensive market analysis that
asked by Taylor 
Statistics
Suppose a random variable X has a uniform distribution over the interval [10,10]. • Find the probability that X lies between 2 and 6? • Find the probability that X2 lies between 9 and 64? (Note X2 is the square of X.)
asked by Steven 
Language Arts
Can you explain this quote for me???? "weathered many bitter nights"
asked by Angie 
CHEMISTRY PLEASE HELP
Write an isomer of structure for a), b) and c) and name them. *(N.B ! rep. a bond) a) CH3 ! CH3CH2CCH2CH3 ! CH3 CH3 ! b) CH3CH2CHCHC(TRIPLE BOND)CH ! CH2 ! CH3 c) 3,3,4trimethyl1pentene
asked by michelle 
CHEMISTRY PLEASE HELP
Write an isomer of structure for a), b) and c) and name them. a) 3,3dimethylpentane b)3methyl4ethyl1hexyne c)3,3,4trimethyl1pentene
asked by michelle 
Math
A U.S. nickel contains 3 ounces of copper for every ounce of nickel. How much nickel is required for 14 pounds of copper?
asked by Kelsey 
math help please
Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual inventory items have been steadily increasing. the cost of the end of the year inventory is 125,000 and the cost of the beginning
asked by keri 
math help please
Posted by keri on Wednesday, November 13, 2013 at 1:08am. Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual inventory items have been steadily increasing. the cost of the end of the
asked by keri 
American Politics
Which of the following was a primary influence on the Framers as they drafted the Constitution? A. French Revolution B. French and Indian Wars C. advocacy for states' rights by John Adams. D. revising the Articles of Confederation Is D. the answer
asked by Bianca 
math
Ten thousand raffle tickets are sold. 1 first prize of $1800, 3 second prizes of $600 each, and 9 third prizes of $200 each are to be awarded, with all winners selected randomly. If you purchase one ticket, what are your expected winnings?
asked by lawerance 
chemistry
Why are some solutions seen by the human eye with specific colors, while other solutions are observed to be colorless??
asked by Anonymous 
chemistry
how to solve problemcar with 13.45 gallon tank gets 28 miles/gallon. If gas costs 3.543/gallon, how much it will cost to travel 1550 miles
asked by Anonymous 
math
Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual inventory items have been steadily increasing. the cost of the end of the year inventory is 125,000 and the cost of the beginning
asked by keri 
Circular motion Problem Motorcycle HELP!!!?
A motorcycle is traveling about a circle with radius of 15meters. If the coefficient of friction between the tires and the track is 0.76, how many laps can the motorcycle complete in one minute? (N o t e: Friction between the tires and the road enables a
asked by Amanda 
MathAlgebra
A car takes 3 hours to travel a distance of 240 km with a speed of 80 km/h while a motorbike can cover the same distance in 4 hours if its travels at a speed of 60 km/h. Explain why the speed and the time it takes for the vehicles to travel a certain
asked by McKenna Louise 
Math
You live 35 1/3 miles from your grandmother's house. You're workplace is 7 2/5 miles from your grandmother's house. If you drive by your grandmother's home on the way to work one morning, what is the total number of miles you drove that morning? Write your
asked by Alan 
Government
Which is not an argument in support of hate crimes legislation? a. Hate crimes legislation sends a message that the United States does not support bigotry. b. Hate crimes legislation ensures that perpetrators of these crimes receive serious punishment. c.
asked by Rebecca 
law and ethics in allied health
the patient self determation act requires all hospitals that receive medicare and Medicaid funding to a.document whether a patient has an advance medical directive b.encourage all terminal patients to file a living will with the state my answer is b
asked by susue 
statistic
Suppose that the distribution of household incomes in the United States is approximately normal with a mean of 69.8 thousand dollars, and a standard deviation of 15 thousand dollars. a) Find the probability that a randomly selected household would have an
asked by shreyash 
Statistics
Suppose a person buys 100 shares of stock at in a company at the cost price of $10 per share. He plans to sell at the end of the next month at whatever is the price at that time. The projected price of the stock at the end of next month and the
asked by Steven 
Trigonometry  Identities and proof
Show that cot((x+y)/2) =  (sin x  sin y)/(cos x  cos y) for all values of x and y for which both sides are defined. I tried manipulating both sides in terms of trig identities but I don't really have a solution....help would be appreciated, thanks.
asked by Sam 
first steps in using a personal computer
as you boot up your computer system,nothing is displaying on the monitor.you check that the monitor is turned on and that all the power cords are plugged into a working source of electricity.what should you do next a.check that all the cables between
asked by susue 
Math
How do you factor x squared minus 2x
asked by Anonymous 
first steps in using a personal computer
a window frame will expand to fill the entire desktop when you a.doubleclick the taskbar b.click the title button marked with a single square c.click the titlebar marked with two overlapping squares my answer is c
asked by susue 
Algebra 2
5x2+9x2=0
asked by Julissa 
Math
Part 1 Mr. Santiago bought 10 crates of oranges. There were 50 oranges in each crate. He sold %65 of them. How much did Mr. Santiago earn if he sold the oranges 5 for $1.20? Part 2 A week after the first sale %8 of the remaining oranges (from part 1)
asked by Gwen 
Math
A ball bounces 0.7 of the distance it is dropped. How many bounces will the ball make from a height of 1 meter if a bounce of less than 1 centimeter is to be ignored?
asked by Kristen 
Math (ms sue or Kuai pleas e help)
The "4" ranch is 7680 acres. It is a rectangle that is a mile longer than it is wide. What are the dimensions of the ranch?
asked by Kristen 
algebra
I'm stuck with this problem. h = 16t^2 + 312 the "t" is seconds after object released and h stands for height. We're suppose to set the equation to 0 so far this is what I have: 16t^2 + 312 = 0 8(2t^2+39)= 0 8=0 can be disqualified but how do I factor
asked by Andrea 
Math
Add each of the following. Write answer as a simplified improper fraction. 1. 3/25 + 8/35 = 61/175 2. 5 1/4 + 3 5/12 = 26/3 3. 4 1/2 + 2 2/3 = 19/6
asked by Alan 
science
what is wrong with the statement "you look exactly like your mother"
asked by sai 
science
By __________,a child's parent's pass on their ____________, which carry instructions for some____________ the child will have.
asked by ganesh 
algebra
Which line has the following intercepts? xintercept = (3/7, 0); yintercept = (0, 1/2) A. 7x + 6y = 3 B. 7x  6y = 3 C. 7x + 6y = 3 D. 7x  6y = 3
asked by civicus 
English
1. What's the weather like today? 2. How is the weather today? 3. Whhat's today's forecast? 4. How is it outside? (Are they all interchangeable? are they all the same and grammatical?)
asked by rfvv 
physics
A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. At one time it is rotating at 7.8 rad/s; 60 radians later, its angular speed is 19 rad/s. Calculate (a) the angular acceleration (rad/s2), (b) the
asked by kristy 
Algebra, URGENT!!!
1) Mio can build a large shed in 15 days less than Yuuko can. If they build it together, it would take them 18 days. How long would it take each of them working alone? 2) If Kamina can do a job in 29 hours and Simon and Kamina working together can do the
asked by Sam 
algebra
What is the slope and yintercept of the line represented by the equation below? 13x  8y = 12 A. slope = 13/8 ; yintercept = 3/2 B. slope = 13/8; yintercept = 3/2 C. slope = 13/8; yintercept = 3/2 D. slope = 13/8; yintercept = 3/2
asked by civicus 
math help please
jasper owns a small retail store as a sole proprietor. the business records show that the cost of the stores inventory items has been steadily increasing. the cost of the end of the year inventory is 200,000 and the cost of the beginning of the year
asked by keri 
physics
a metal wire has a resistance of 8 Ohms at a temperature of 20 degrees. if the same wire has a resistance of 8.40 Ohms at 70 degrees. What is the resistance of this wire in Ohms when its temperature is 10 degree celsius
asked by Anton 
physix
three resistances of value 1 ohm, 2 ohm and 3 ohm are connected in parallel.If the effective resistance of the circuit has to be 1 ohm, the value of the resistance to be connected in series to this circuit should be? PLZZZZZZZZZZZZZZ ANSWER URGENTTTTT
asked by satya 
math
57 lcf
asked by tate 
Physics (Please Help)
At the HeNe laser wavelength (L= 632.8 nm) the refractive indices of crystal quartz are n o = 1.54264 and n e = 1.55171 calculated from its Sellmeier equation. The laser is incident from the air onto the surface of crystal quartz at an angle of incidence
asked by Joy 
Physics
An ocean liner is traveling at 5m/s. A passenger on deck walks towards the rear of the ship at a rate of 4m/s. After walking 30 meters, he turns right and walks at a rate of 4m/s to the rail, which is 12 meters from his turning point. What is his velocity
asked by Raj 
math
Write each of the equations below in standard form; that is, without parentheses: a. y = (x – 7)2 – 5 b. y = –3(x + 4)2 +6
asked by pat 
Social Studies
1. How were the farms of the New England colonies similar to the farms of the Up Country? A. They grew rice B. They were plantations C. They had short growing seasons. D. They were small subsistence 2. Rice grew successfully in South Carolina because
asked by Yolo 
Solar Energy Help ASAP
Consider a 250 Wp rated crystalline silicon PV module. It results from a manufacturing process that consumes 8kWh/Wp of PV module. a) What is the total energy consumed (in kWh) during the production of the module? Assume that the PV module is used in a
asked by Anonymous 
algebra
given that 6x^3+5a12a leaves a remainder of 4 when divided by (xa). what will be the possible value of a ?
asked by arpita 
math
Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual inventory items have been steadily increasing. the cost of the end of the year inventory is 125,000 and the cost of the beginning
asked by alex 
math
what is 7/50 as a decimal
asked by anonymous 
math ms sue please help, PLEASE!!!!
also which are independent events? a) a student spins a spinner. on the first spin she spins a six and on the second spin she spins a three b) a student chooses a card from a deck of 20 cards. the student keeps the card and chooses another one. c) a
asked by math help 
Personal Finance
If the economy is not doing well and jobs are hard to find, what would you suggest for your friend to do if they are graduating high school in a month? A) sit at home until the economy improves B) save money by going to a local community college C) look
asked by Josh 
ALGEBRA
Select all the statements that can be used as steps to solve the equation 6[4(2x−1)]=80−8. Subtract 8 from 80. Combine 80 and 6. Multiply 2x and 1 by 4. Subtract 1 from both sides of the equation. Add 4 to both sides of the equation. Subtract 6 from
asked by 15634 
math
An equailateral triange has a side of 7cm.What is the total distance in centimetres twice round the perimeter of the shape?
asked by Kina 
Physics Important please
A yoyo of mass m rests on the floor (the static friction coefficient with the floor is mu ). The inner (shaded) portion of the yoyo has a radius R1 , the two outer disks have radii R2 . A string is wrapped around the inner part. Someone pulls on the
asked by rosa 
ratio/proportions
a geologist found that silt was deposited on a river bed at the rate of 4cm every 170 years , how long would it take for 5 cm of silt how long would it to be deposited ???? plz helpp
asked by rian 
ELA? Check answers!!
1. Which of the following places would need to be sterile? A: park B: classroom C: A hospital operating room 2.Which of the following example of a question you might ask yourself to monitor comprehension? A: How can thriddegree burns be treated at home?
asked by Nina 
statistics
According to the American Heart Association, one in every four deaths in the U.S. is due to heart disease. Suppose 25 people will die in the U.S. in the next 5 minutes. • What is the chance that exactly 5 of the deaths will be due to heart disease? •
asked by Steven 
math
How many quarters are there in 0.5+2?
asked by Kina 
Math
a parking lot can allocate 3 compact car spaces for every 2 spaces for full sized cars. if part of the lot has space for 40 full sized cars, how many compact cars could it hold if the parking lines were redrawn?
asked by Heather 
Statistics Question 1
According to the American Heart Association, one in every four deaths in the U.S. is due to heart disease. Suppose 25 people will die in the U.S. in the next 5 minutes. • What is the chance that exactly 5 of the deaths will be due to heart disease? •
asked by Steven 
statistics Question 2
Suppose a person buys 100 shares of stock at in a company at the cost price of $10 per share. He plans to sell at the end of the next month at whatever is the price at that time. The projected price of the stock at the end of next month and the
asked by Steven 
chmistry
You run out of brown sugar and decide to use 1.5 cups granulated sugar instead. The cookies come out much thinner than usual. Formulate a onesentence hypothesis for why the recipe failed.
asked by Anonymous 
Math
Find the number, 2 decreased by 6.
asked by Atoria 
Science
psychologists should not prescribe medicine? What are good factors to talk about explaining this in an essay
asked by letmewatchthis 
chemistry
Add up the total mass of carbohydrates, fats, and proteins in a serving of eggplant. What fraction of the eggplant's weight is made up of these ingredients?
asked by Anonymous 
Chemistry
Does 1cm^3 equal to 1liter???
asked by Anonymous 
ENGLISH
is this syntax because the author uses short sentences "why, no one on our side had even though of firing a gun, because when you came right down to it, we didn't like guns and did not believe in them"
asked by moll 
Algebra
how would you write y=8 in standard form of a linear equation? *isnt it already in standard form?????*
asked by nicole 
Math
Find the value of x 40x/3=4 please not the / means a fraction. I already know that x is 28 when I first saw the question but I'm not sure how to show my working out.
asked by Anonymous 
Trig
2 vectors at a Right angle to each other are pulling on a bolt. vector 1 = 650; vector 2 = 300 then R = ?
asked by Stone 
algebra
What is the equation of the line that is parallel to 8x  5y = 2 and goes through the point (5, 2) ? A. y = 8/5x + 6 B. y = 8/5x + 10 C. y = 8/5x  6 D. y = 8/5x  10 i'm guessing this would be D, or possibly B.
asked by ezra 
ratio/proportion
a bag of 3lb of Fairlawn's number 25 of grass seeds cover 4000ft2 area. how much an area will be if 16oz of the same seeds cover please answer fast as you can
asked by rian 
Math
You and your friend ordered a 12 inch pizza to split for lunch. How many square inches of pizza do you each get to eat? Round answer to 2 decimal places. 37.68 square inches
asked by Alan 
us history
did the federalist support a strong or weak federal government????
asked by rose 
Maths
Square root 'a' 16^2 = 2?
asked by Yoyo 
algebra
What is the equation of the line that is perpendicular to y = 7/9x + 15 and goes through the point (1, 2) ? A. 9x + 7y = 5 B. 9x + 7y = 5 C. 9x + 7y = 23 D. 9x + 7y = 23
asked by opheus 
health
________ physical activity and ________ time spent in sedentary behaviors.
asked by Anonymous 
algebra
What is the yintercept of the line represented by the following equation? 5x  3y = 2 A. (0, 2/3) B. (2/3, 0) C. (0, 2/5) D. (2/5, 0) how would i figure this out just by looking at it? i assume that i can, based on the answers, but i don't know exactly
asked by civicus 
math
"What's my rule? Part 2 Rule: subtract the in number from 11 1/2 i: In. Out n. 11 1/2n 1. 2 8 1/2 5 12
asked by joshi 
Math
A ranch is 7680 acres. It is a rectangle that is a mile longer than it is wide. What are the dimensions of the ranch?
asked by Kristen 
Mathematics (Reiny or Ms. Sue or Kuai)
What is 1 divided by 1/7?
asked by Anonymous 
math
Three of every seven sales transactions at Dollar Discount are on credit cards. What percent of the transactions are NOT credit card sales? (Round percentages to the nearest tenth.)
asked by shawn 
Maths
(9/25)^3/2
asked by Suzy 
math
in a survey of 1,500 people who owned the same make of car, 600 indicated that they would buy the same make of car again. What percent of these people were satisfied with their car?
asked by Vicky 
Math
Convert the following decimals to a simplified mixed number. 1. 0.33 = 1/3 2. 1.875 = 1 7/8
asked by Alan 
Stats
A company with two plants producing the same product, but with two slightly different manufacturing processes, conducted a sample study at each of the two plants with the following results: The sample statistics from the first group are: n = 40, xbar =
asked by Cam 
physics
Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the ratio power delivered to wire A to the
asked by Anonymous 
physics
An ocean liner is traveling at 5m/s. A passenger on deck walks towards the rear of the ship at a rate of 4m/s. After walking 30 meters, he turns right and walks at a rate of 4m/s to the rail, which is 12 meters from his turning point. What is his velocity
asked by Ian 
Math
Multiply each of the following. Write your answer as a simplified fraction. 1. 4/7 * 5 = 20/7 2. 15/28 * 7/9 = 105/252 3. 3 1/5 * 7/8 = 56/20
asked by Alan 
English
How do I find a research question in an article titled Ethical issues in public health: A qualitative study of public health practice
asked by Lois 
science
Ways to group plants? Evergreen, seeds,...
asked by Raquel 
math
Todds weight dropped from 220 pounds to 190 pounds. Cassidys weight dropped from 150 pounds to 135 pounds. Who had the greater percent weight loss?
asked by Vicky 
Chemistry
Why are some solutions seen by the human eye with specific colors, while other solutions are observed to be colorless??
asked by Anonymous 
Math
Perform the indicated operation. Write your answer as a simplified fraction. 1. 1/3 + 0.25 = 7/12 2. 0.3125  1/4 = 1/16 3. 7/10 + 0.2 = 9/10
asked by Alan 
Math
Suppose that you used an inputoutput table to graph the equation y=x−4 on the grid. What is the ordered pair of the point at which the line crosses the yaxis?
asked by kisha 
Chemistry
Would the value of molar absorbitivity value be greater, less, or equal for the absorbance of light at 550nm vs 650 nm?
asked by Anonymous 
Chemistry DrBob222
Can you please write the isomer name though? I will draw it from that. Write an isomer of structure for a), b) and c) and name them. a) 3,3dimethylpentane b)3methyl4ethyl1hexyne c)3,3,4trimethyl1pentene
asked by michelle 
Statistics
A random sample of 50 students chosen from an elementary school with 400 students was found to have a mean allowance of $26 per week with a standard deviation of $8. Obtain a 98% confidence interval for the total amount of allowance money given to students
asked by Cam 
American History
Which of the following relationship is NOTan example of the checks and balances built into the Constitution? A. Supreme court decision can be overturned by an amendment to the Constitution. B A presidential veto can be overturned by a supermajority of
asked by Bianca 
French
Is this sentence grammatically correct? Nous ne mange pas des oeufs.
asked by Anonymous 
physics
Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the power delivered to wire A to the power
asked by Anton 
maths
For which number 15 is both a factor and a multiple
asked by ayushi 
math
what is the least common multiple of 8 and 10?
asked by suszan 
Math/Science
An ocean liner is traveling at 5m/s. A passenger on deck walks towards the rear of the ship at a rate of 4m/s. After walking 30 meters, he turns right and walks at a rate of 4m/s to the rail, which is 12 meters from his turning point. What is his velocity
asked by Connor 
MathAlgebra
1. The area of a square varies directly as the square of its side. If the side is halved, what would be the effect on its area? 2. If y varies directly as the square of x, what will happen to y when x is tripled?
asked by McKenna Louise 
Circular motion Problem  Please! need HELP!!!fast
An asteroid in space is attracted to the planet XYZ such that it accelerates at 0.0085 m/s^2 towards it. Given that planet XYZ has a mass of 4.7*10^24 kg. How far out from the planet is the asteroid?
asked by Amanda 
Social Studies (History)
Why did factory bosses view unions as a threat to he success of a business in the industrial era between the 1800s1900s?
asked by Nicole 
Circular motion Problem  moon completing an orbit
Given that sidereal month, the amount of time it takes the moon to complete one orbit, is 27.332 days. How far is the moon from the earth?
asked by Amanda 
Social Studies (History)
What does unAmerican mean? (Think about the ideals and values of Americans are and what goals and tactics of unions are.)
asked by Nicole 
Algebra 1 (Reiny or Kuai)
Solve each equation. 1. p(1 + 4)  2(p + 6) = 6 A: p = 2? Without graphing, tell whether each point is on the graph of 2x  y = 5. 1. (1, 2) A: Since (1, 2) is not a solution of 2x  y = 5, (1, 2) is not on the graph?
asked by Anonymous 
English
1. He was excited to watch the game. 2. He was excited watching the game. (Which one is grammatical? Are both OK? What is the difference between them?)
asked by rfvv 
English
1. someone who works in a garden, growing plants and making it look attractive 2. someone who works in a garden, while he grows plants and makes it look attractive (The above is the definition of 'gardener.' Does #1 mean #2?)
asked by rfvv 
American History
How Many words are in the US Constitution? A. 7,000 B. 30,000 C. 17,000 The answer is B
asked by Bianca 
Algebra 1 (Reiny or Kuai)
Give the domain and range values of each relation. Tell whether the relation is a function. The xvalues are 3, 2, 1, 2. The yvalues are 9, 6, 3, 0. A: D: {3, 2, 2}; R: {9, 6, 3, 0} No, this relation is not a function?
asked by Anonymous 
MATH HELP
write the equations of two different parabolas whose vertices are at (3,2).
asked by vanessa 
statistic
3 statistics professors and 7 chemistry professors are available to be advisors.If each professor has an equal chance of being selected, what is the probability that both professors are cgemistry professors?
asked by Michaela 
Math
Solve the proportion: x/20 = 5/8
asked by Heather 
Math Statistics
An amusement park, Dino World, considering adding some new attractions, conducted a study over several typical days and found that, of 10,000 families entering the park, 1020 brought just one child (defined as younger than age 12), 3370 brought two
asked by Ray West 
Math
Solve the proportion: 2/3 = 8/x1
asked by Heather 
High School Geometry
I am have a hard time understanding how A and B can be No, but C can be Yes on this problem i.imgur (dot)com/rpJQDf3.png I thought that since AD is not perpendicular to the plane m then no lines shooting off of D onto the plane could be perpendicular.
asked by Ben 
physics
A flat loop of wire consisting of a single turn of crosssectional area 8.10 cm2 is perpendicular to a magnetic field that increases uniformly in magnitude from 0.500 T to 1.90 T in 0.95 s. What is the resulting induced current if the loop has a resistance
asked by Cassandra 
ALGEBRA
Bill is solving the equation 26x−21(6x+51)=40(11x+139). The following shows the steps he has used so far to solve the equation. Step1:26x−21(6x)−21(51)=40(11x)+40(139) Step2:26x−126x−1071=440x+5560 Which statement describes a possible next step
asked by c2v5 
chemistry
Area of a lake is 28958 square miles and depth is 207 ft.If there is 35 gram of salt per liter of water, how many grams of salt is there?
asked by Anonymous 
statistics
average commuting distance 10.9 miles which is also the mean of a sample of 300 commuters. Sample sd is 6.2 miles . Estimate the true mean using 99% confidence please.
asked by peter 
Math
Explain why the lengths of the corresponding sides of rectangles ABCD and EFGH vary proportionally. I cant post the picture of the triangles but the length of the first triangle DA=44 and the width AB=88. The second triangles length HE=35 and width EF=70
asked by Heather 
statistics
skating speeds are normally distributed with a mean of 60 and a standard deviation of 10. Determine the speed that separates the top 6% from the rest.
asked by peter 
NonWestern Art
How to find images that addresses changes in art and or culture that occurred as a result of Western contact and/or influence in the five continents which are Africa, Asia, Australia, North America, and South America
asked by Shanell Ivy 
marikina
which expression represent "32 more than the letter d"?
asked by yociv 
Algebra
Select all the statements that can be used as steps to solve the equation 6[4(2x−1)]=80−8. Subtract 8 from 80. Combine 80 and 6. Multiply 2x and 1 by 4. Subtract 1 from both sides of the equation. Add 4 to both sides of the equation. Subtract 6 from
asked by 15634 
statistics
standard deviation 1.2. Random selection of 70 found a mean of 5.2. I have to find a 87% confidence level given this info?
asked by Sandra 
chemistry
How do you draw the structure of the reaction of 1hexene with h2o in the presence of acid
asked by michelle 
Science
what are 4 places where convection is important in a home? {I already have the air conditioner}
asked by Unknown