Questions Asked on
September 23, 2014

Math
Explain how to use hundredths grids to subtract 1.65  0.98.
asked by Martina 
Fractions
A hairstylist schedules 1/4 hour to trim a customer's hair and 1/6 hour to style the customer's hair. The hairstylist plans to work 3 1/3 hours each day for 5 days each week. How many appointments can the hairstylist schedule each week if each customer
asked by Kymmy 
Math
Pizza cost $1.50per slice. Use a table and an equation to represent the relationship between the number of slices of pizza bought and the total cost?
asked by Faith 
P.E
It is often hard to practice selfcontrol when eating in the company of others because we are greatly influenced by A. peer pressure B. environment C. time D. emotions Is the answer D? Thanks for any help.
asked by Gwen 
statistics 2
In Hamilton County, Ohio the mean number of days needed to sell a home is 86 days (Cincinnati Multiple Listing Service, April, 2012). Data for the sale of 40 homes in a nearby county showed a sample mean of 80 days with a sample standard deviation of 20
asked by ANAHI 
science Help
White skin (W) is dominant over yellow skin (w) in chickens. Which of the following genotypes would result in a whiteskinned chicken that could possibly have yellowskinned offspring? A. WW B. Ww C. ww Is the answer B?
asked by Gwen 
Science! Help
In humans, having dimples is a dominant trait. If one parent has dimples and is homosygous for the trait, what is the probability any of his or her offspring will NOT have dimples? A. 100 percent B. 50 percent C. 25 percent D. 0 percent Is the answer D?
asked by Gwen 
Fractions
Zoey made 5 1/2 cups of trail mix for a camping tip. She wants to divide the trail mix into 3/4 cup servings. A)Ten people are going. Can Zoey make enough 3/4 cup servings so that each person on the trip has one serving? B)What size would the servings need
asked by Kymmy 
math
A class has 6 boys and 15 girls what is the ratio of boys and girls
asked by mia morris 
Chemistry, empirical formula
Determine the empirical formula for the following compounds with these compositions (by mass): a) Cr 47.7% F 52.3% b) Na 42.1% P 18.9% O 39.0%
asked by Brian 
Science
What microscope would you use to observe dust mite's skin?
asked by Christi 
ScienceHelp.
Which of the following is NOT one of the eight most common elements in Earth’s continental crust? carbon silicon oxygen aluminum The most abundant element in Earth’s continental crust (by weight) is _____. 2. oxygen silicon calcium iron 3. The central
asked by Anonymous 
math
"Just look at the graph," the player's agent said. "Phil'!@#$%^&s have doubled since last year. We are looking for a large raise and a long contract." Look at the graph. Graph: i.imgur. com/wY0gqtQ.png How can you redraw this graph so it appears that
asked by quinn 
PHYS. (forces)
A Styrofoam ball has just been shot straight up. Air resistance is not negligible. Draw a freebody diagram. i only have two attempts left and im not sure what im doing wrong. is the direction of gravity(down) and drag (up) wrong?
asked by Dib 
Explor wheel
the purpose of font formatting within a serach log is to identify key words, information, ___?
asked by Explor wheel help! 
Fractions (not decimals)
Eleanor and Max used two rectangular wooden boards to make a set for the school play. One board was 6 feet long, and the other was 5 1/2 feet long. The two boards had equal widths. The total area of the set was 60 3/8 square feet. What was the width? THANK
asked by Kymmy 
Chemistry, HELP!!
a) If the volume of a flask is 165 mL and the mass of the vapor in the flask is 0.2136 grams, what is the density of vapor in the flask? b)If the temperature of the vapor is 25 degrees Celsius, what is the molecular weight of the vapor? (Assume the gas
asked by Brian 
Please help me with this Q
Find the standard deviation for the given data. Round your answer to one more decimal place than the original data. 22, 29, 21, 24, 27, 28, 25, 36 A. 4.8 B. 4.2 C. 2.8 D. 1.6
asked by Amy 
Chemistry
A professor orders 250 mL of house coffee at precisely 95°C. She then adds enough milk at 10°C to drop the temperature of the coffee to exactly 90° C. Calculate the amount of milk (in mL) the professor must add to reach this temperature. Assume that the
asked by Danielle 
statistics 2
In Hamilton County, Ohio the mean number of days needed to sell a home is 86 days (Cincinnati Multiple Listing Service, April, 2012). Data for the sale of 40 homes in a nearby county showed a sample mean of 80 days with a sample standard deviation of 20
asked by MIA 
Math
Jasmine has 8 pack of candle wax to make scented candles. Each pack contain 14ounces of wax. Jasmine uses 7 ounces of wax to make one candle . How many candles can she make
asked by Anonymous 
Statistics
The following data set is the GPAs of the students in a statistics class. 1.93, 1.99, 2.00, 2.04, 2.12, 2.34, 2.55, 2.55, 2.75, 2.75, 2.80, 2.80, 2.85, 3.02, 3.12, 3.22, 3.31, 3.33, 3.45, 3.69 What percentile is a GPA of 2.34? A. About the 6th B. About the
asked by Amy 
physics
A person in a kayak starts paddling, and it accelerates from 0 to 0.577 m/s in a distance of 0.565 m. If the combined mass of the person and the kayak is 60.6 kg, what is the magnitude of the net force acting on the kayak?
asked by iamstupid 
math
The Sandersons are planning to refinance their home. The outstanding principal on their original loan is $100,000 and was to amortized in 240 equal monthly installments at an interest rate of 11%/year compounded monthly. The new loan they expect to secure
asked by Anonymous 
science Help
Which of the following describes the genotype and phenotype of parents whose child will definitely have a recessive trait? A. Both parents are homozygous for the recessive allele and have the trait. B. Both parents are homozygous for the recessive allele
asked by Gwen 
math
A telephone longdistance carrier charges customers $0.99 for the first 20 minutes and then $0.06 for each minute(or any part thereof) beyond 20 minutes. If Mary uses this carrier,how long can she talk for $4.00? I started off with 0.99x+20+0.06x=4.00.
asked by anna 
statistics 1
A study found that, in 2005, 12.5% of U.S. workers belonged to unions (The Wall Street Journal, January 21, 2006). Suppose a sample of 400 U.S. workers is collected in 2006 to determine whether union efforts to organize have increased union membership.
asked by MIA 
language arts
. In "The Drummer Boy of Shiloh," the author sets this story before instead of during a battle
asked by skyler swedeen 
SCIENCE
If we decrease the distance an object moves we will decrease the amount of force applied. Decrease the amount of work done. increase the amount of force applied. increase the amount of work done.
asked by HELP PLEASE 
Math
Find the standard deviation for the given data. Round your answer to one more decimal place than the original data. 15, 42, 53, 7, 9, 12, 14, 28, 47 A. 29.1 B. 16.6 C. 17.8 D. 15.8 is it C
asked by Amy 
Algebra
The selling prices of houses in a city during one year were normally ditributed with a mean of $259,000 and a standard deviation of $15,000. Which of the following is closest to the percentage of the homes that had a selling Price between $244,000 and
asked by Jessica 
Grammar
1. Choose the answer that identifies the form of the verb in the sentence. Cindy is painting her room purple. present present participle past past participle Question 2. Choose the answer that identifies the tense of the verb in the sentence. Has the rain
asked by Sara 
Science
Which of the following units are in order from smallest to largest? a) Epoch, period, era. b) Era, epoch, period. c) Period, era, epoch. d) Epoch, era, period. True or False? Folding, as well as motion along faults, can change the position of rock layers
asked by Sarah 
Science
using an example explain how being able to understand scientific principles and think scientifically can help you solve problems and answer questions in your everyday life? Do you have any suggestions
asked by Science! Help 
Chemistry 15
a vessel connected to an openend mercury manometer is filled with gas to a pressure of .835 atm.the atmospheric pressure is 755 torr.In which arm of the manometer will the level of mercury be higher?What is the height difference between the two arms of
asked by Alvyn 
science Help
In humans, having more than five fingers or toes is dominant over having exactly five finger or toes. Which of the following situations would most likely result in exactly half of a couple's offspring having six digits and half of them having five? A.Both
asked by Gwen 
Child care
6. Local, state, and provincial governments may have specific regulations that apply to the physical space in a day care center. A typical requirement in these regulations is a minimum of _______ square feet of usable play space for each child. A. 35 (B).
asked by Desiree 
Calculus
Scorpion Gulch and Western Railway are preparing to build a new line through Rolling Mountains. They have hired you to do some calculations for tunnels and bridges needed on the line. You set up a Cartesian coordinate system with its origin at the entrance
asked by Nick 
Algebra
Logan saves $5.50 in dimes and quarters over a week. He has 20 more dimes than quarters. Find the number of dimes and quarters he saves.
asked by Kyle 
History
Which best defines History? A discovery and classification of human artifacts B people, places, and events of previous centuries C study of ancient peoples and the way they changed D study of human past and the story of change over time Please help!!
asked by Skkye 
Chemistry
How much energy must you use to raise the temperature of 100 grams of water from 60 degrees Celsius to 70 degrees Celsius? show you calculations. I am confused on how to use formulas.
asked by Michael 
algebra
to pass a course with an A grade, a student ,must have an average of 90 or higher. A students grades on three tests are 93,92 and 83. What is the score the student must get on the nest test to get an A average?
asked by Emily 
algebra 2
The average score on a standardized test is 750 points with a standard deviation of 50 points. What is the probability that a student scores more than 700 on the standardized test?
asked by Anonymous 
Math
A satellite will be released into an orbit of more than 400 miles above the earth. the rocket is carrying it is currently 255 miles above earth write and solve an inequality to show how much higher the rocket must climb before it releases the satellite
asked by Coleson 
math
The wave heights h in the open sea depend on the speed v of the wind and the length of time t that the wind has been blowing at that speed. Values of the function h = f(v, t) are recorded in feet in the following table. the values that you need on the
asked by sara 
math
A recipe for fruit salad serves 4 people. It calls for 2 oranges and 16 grapes. You want to serve 10 people. How many oranges and how many grapes will you need?
asked by sam 
Physics
A golfball comes to rest 1.9 seconds after hitting a net. The force of the net slowed down at a rate of 56.3 m/s2. What was the velocity of the ball when it first hit the net??
asked by Mickayla 
math
Which number of players can be arranged in the shape of square?
asked by sapna 
chemistry
Mercury poisoning is a debilitating disease that is often fatal. In the human body, mercury reacts with essential enzymes, leading to irreversible inactivity of these enzymes. If the amount of mercury in a polluted lake is 215 ng of mercury / mL, what is
asked by Brooke 
physics
What's the momentum of a 3.5kg boulder rolling downhill at 5 m/s?
asked by Anonymous 
physics
A toboggan slides down a hill and has a constant velocity. The angle of the hill is 6.70° with respect to the horizontal. What is the coefficient of kinetic friction between the surface of the hill and the toboggan?
asked by chidera 
Science Help
Which of the following describes the genotype and phenotype of parents whose child will definitely have a recessive trait? A. Both parents are homozygous for the recessive allele and have the trait. B. Both parents are homozygous for the recessive allele
asked by Gwen 
Physics
Two friends, Barbara and Neil, are out rollerblading. With respect to the ground, Barbara is skating due south at a speed of 5.2 m/s. Neil is in front of her. With respect to the ground, Neil is skating due west at a speed of 3.2 m/s. Find Neil's velocity
asked by Hoku 
statistics 3
An airline promotion to business travelers is based on the assumption that no more than twothirds of business travelers use a laptop computer on overnight business trips. 1. What is the sample proportion from an American Expresssponsored survey that
asked by MIA 
History
The invention of bronze in ancient Sumer was so significant because it_____ A provided wealth for Sumer's growing upper class B improved agriculture and gave rulers more power C allowed the Sumerians to defeat the Akkadians D provided scribes a
asked by Skkye 
math
How much ribbon is needed to wrap the package shown if 15 inches of ribbon are needed to make the bow? length is 16 width is 9 height is 4
asked by anthony 
Physics
Consider a wet roadway banked as in the following figure, where there is a coefficient of static friction of 0.30 and a coefficient of kinetic friction of 0.25 between the tires and the roadway. The radius of the curve is R = 50 m. (a) If the banking angle
asked by HelpMaths 
physics
A basketball player throws the ball at a 60° angle above the horizontal to a hoop whose centre is located a horizontal distance L = 8.60 m from the point of release and at a height h = 0.80 m above it. What initial speed is required if the basketball is
asked by Anonymous 
science Help
A longhaired cat (recessive trait s) is crossed with a heterocygous shorthaired cat (dominant trait S). What percentage of their offspring will have long hair? A. 100 percent B. 50 percent C. 25 percent D. 0 percent Is the answer C?
asked by Gwen 
Child care
You're attempting to determine the amount of usable floor space in your day care facility. Which one of the following areas can you include in your calculation? A. Toy shelves in Classroom A B. Bathroom adjacent to Classroom A (C). Hallway in the classroom
asked by Desiree 
statistics 7
Home values tend to increase over time under normal conditions, but the recession of 2008 and 2009 has reportedly caused the sales price of existing homes to fall nationwide (BusinessWeek, March 9, 2009). You would like to see if the data support this
asked by MIA 
sociology
Which statement best reflects the argument that prayer in school should be protected? (Points : 1) Prayer is protected by the second amendment. Prayer contributes to virtuous ideals in the student body. Prayer is different across cultures and as such
asked by stacy 
accounting
Pike Corporation paid $100,000 for a 10% interest in Salmon Corp. on January 1, 2010, when Salmon's stockholders' equity consisted of $800,000 of $10 par value common stock and $200,000 retained earnings. On December 31, 2011, after receipt of the year's
asked by shosh 
Precalculus/Trignometry
Which of the following is a correct equation for the line passing through the point (1,4) and having slope m = 3? A. y4=3(x+1) B. y=3x+1 C. 3x+y=1 D. y=1/4x3
asked by Anonymous 
Algebra 1
1) Alexis Received an 85, 89, and 92 On Three Tests. How Many Does She Need To Score On Her Next Test In Order To Have An Average Of At Least 90? 2) 1/5(30 + a)< 5 HEEEELPPP 😂😂
asked by Mimii 
reference frames
Car A is heading north with a velocity of 14 m/s. Car B is traveling south with a velocity of 19 m/s. What is the relative motion between the two cars? A. 5 m/s B. 14 m/s C. 19 m/s D. 33 m/s would this be A, since 1914 = 5?
asked by franz 
Math Algebra
At a shoe store, a salesman earns a weekly salary of $150. A salesperson is it also paid 2$ each pair of shoes he or she sells during the week.
asked by Auxiliary Improvement 
physics
Two objects (53.0 and 16.0 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find (a) the acceleration of the objects and (b) the tension in the string.
asked by chidera 
statistics
The mean grade in this class last semester was 78.3, and the variance was 34.6 . The distribution of grades was unimodal and symmetrical.. determine how many students are likely to fail the class (90), if 60 students are enrolled. Show all your work, and
asked by Nicole.H 
History
Many preachers included the concept of __________ in their messages meant to spread Christianity during the Second Great Awakening of the 1800s. manicheism, monism, perfectionism , creationism
asked by katt¢¾bobby 
Math
Waynes homework is to solve at least 20 questions from his textbook so far he has completed 9. Write an inequality to show how many more he needs to complete 9+q ≥ 20 q ≥ 11
asked by Coleson 
History
What is a reason Sumer declines as a civilization? A Sumerian rulers fought to gain territory B the Tigris and Euphrates rivers dried up C the climate changes drastically D Sumerian rulers outlawed religion My guess is A
asked by Skkye 
Physics
What is the threshold frequency for the photoelectric effect on lithium (phi= 2.93eV)? What is the stopping potential if the wavelength of the incident light is 400nm?
asked by Tom 
Math
Two wires are connected to a tower at the same point on the tower. Wire 1 makes an angle of 45° with the ground and wire 2 makes an angle of 60° with the ground. b) Which wire is longer? Explain. (2 marks) c) If the point where the two wires connect to
asked by Alex 
History
Which was one result of the domestication of animals? A longer life spans for people B increased trade among villages C new kinds of food and clothing became possible D new division of between men and woman I think it is D.
asked by Skkye 
Science
An object has a volume of 22 liters and a mass of 35 kilograms what's the objects density?¿???????????????
asked by Rose 
organic chemistry
an alkane formula c8h18 can form only three monochlorination products give its structure
asked by sarah 
statistics 3
An airline promotion to business travelers is based on the assumption that no more than twothirds of business travelers use a laptop computer on overnight business trips. 1. What is the sample proportion from an American Expresssponsored survey that
asked by ANAHI 
Physics
A motorcyclist traveling 35.0 m/s realizes suddenly that he is headed straight for the edge of the Grand Canyon 50.0 m away. He immediately begins to brake, decreasing his speed at a rate of 7.00 m/s^2. With what velocity will he fly off into the canyon?
asked by Andy 
Industrial Psychological Research
what is the proportion of students with a raw score less than 10? if information was collected from fellow students the rating on a 5 point scale on 5 different questions. given a normally distributed population with a mean of 13, a standard deviation of
asked by Precious 
statistics 7
Home values tend to increase over time under normal conditions, but the recession of 2008 and 2009 has reportedly caused the sales price of existing homes to fall nationwide (BusinessWeek, March 9, 2009). You would like to see if the data support this
asked by ANAHI 
Mathematics and investment
1. Angelo wants to renovate his house in 3 years. He estimates the cost 300,000. How much must Angelo invest now at 8% compounded quarterly in order to have 300,000 3 years from now. 2. Angelo Ancis want to save 500,000 in 5.5 years to renovate their rest
asked by mezell 
Math
A farmer raises chickens and goats. She knows she has 22 animals all together. All together her animal has 56 feet. how many of each type of animal does she have?
asked by Gregory 
Vector
Let P=(1,2,1),Q=(3,1,4),and R=(2,6,2) be three vertices of a parallelogram PQRS. (a) Find the coordinates of S. (b) Find the area of PQRS.
asked by HelpMaths 
Math
In a test a student scored 51 marks out of 80. Express his mark as a percentage to the nearest whole percent
asked by Nuwel 
physics
A piston of a car engine executes a simple harmonic motion. the acceleration a of the piston is related to its displacement x by the equation: a = 6.4*10^5x a) Calculate the frequency of motion b) The piston has a mass of 700 gms & a max displacement of 8
asked by Saeed 
Math
In an examination, 1/5 of the candidates failed. It is known that 240 candidates passed. How many candidates took the examination
asked by Nuwel 
statistics 1
A study found that, in 2005, 12.5% of U.S. workers belonged to unions (The Wall Street Journal, January 21, 2006). Suppose a sample of 400 U.S. workers is collected in 2006 to determine whether union efforts to organize have increased union membership.
asked by ANAHI 
Physics
White dwarf stars have been observed with a surface temperature as hot as 200,000 o C. What is the wavelength of the maximum intensity produced by this star?
asked by Paul 
lac 2
4. Critics often say that Chekhov’s short stories show “slices of life” rather than complete story arcs. How do the endings of "Star Food," "Everything That Rises Must Converge," and "The Bet" reflect what might be considered incomplete story arcs?
asked by Anonymous 
chemistry
Oops I left a part of the question out: 2. Mercury poisoning is a debilitating disease that is often fatal. In the human body, mercury reacts with essential enzymes, leading to irreversible inactivity of these enzymes. If the amount of mercury in a
asked by Brooke 
Physics
A projectile of mass 0.377 kg is shot from a cannon, at height 6.6 m, as shown in the figure, with an initial velocity vi having a horizontal component of 6.1 m/s. The projectile rises to a maximum height of y above the end of the cannon’s barrel and
asked by Bob 
physics
An airport has runways only 196 m long. A small plane must reach a ground speed of 38 m/s before it can become airborne. What average acceleration must the plane’s engines provide if it is to take off safely from its airport? Answer in units of m/s 2
asked by James 
Science
Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? A. He decreased the density by increasing the volume. B. He
asked by Connie 
Calculus
A sinusoidal section is to be built as part of a roller coaster track. The high point is h=27 m at a horizontal distance d=0 m. It has a low point at h=3 m at d=50 m. a. Write an equation expressing h in terms of d. b. The lengths of the horizontal
asked by Nick 
Math
If a dozen items are divided into two equal groups how many will be in each group explain how you know
asked by Nbrum 
FRACTION CONCEPTS
I am a fraction whose numerator and denominator are both prime numbers less than 20. if you were to increase each term by 1, I would be equivalent to 1/2. what fraction am I?
asked by JUSTIN 
Physics
As you hurry to catch your flight at the local airport, you encounter a moving walkway that is 85 m long and has a speed of 2.2 m/s relative to the ground. If it takes you 68 s to cover 85 m when walking on the ground, how long will it take you to cover
asked by Anon 
Science Help
A longhaired cat (recessive trait s) is crossed with a heterocygous shorthaired cat (dominant trait S). What percentage of their offspring will have long hair? A. 100 percent B. 50 percent C. 25 percent D. 0 percent Is the answer C?
asked by Gwen 
Science! Help
In humans, having more than five fingers or toes is dominant over having exactly five finger or toes. Which of the following situations would most likely result in exactly half of a couple's offspring having six digits and half of them having five? A.Both
asked by Gwen 
Science
A piece of aluminum has a mass of 39.15g and a volume of 14.5cm cube. Determine the density of the aluminum. What would the density be of a much larger piece of aluminum? explain. I established the density of the al. is 2.7g/ cm cube. I don't get the
asked by Sally 
math
What are the coordinates of the reflection of (a, b) over the yaxis?
asked by Skye 
Maths
Matt has a bag containing 12 green marbles and 8 blue marbles. Without looking, he pulls out one marbles and places it on the table. He then picks a second marbles from the bag. What is the probability he will have 2 blue marbles?
asked by Lisa 
chemistry
10. A student weight out a 25 g sample of NaCl, SiO2 and NH4Cl. The student determines the sample contains 3.0 g NH4Cl and 7.0 g SiO2. What is the percentage of NaCl by mass (weight) in the sample?
asked by Anonymous 
Calculus
A spacecraft is in an elliptical orbit around the earth. At the time t=0 hours, it is at its apogee (highest point), d=1000 km above the earth's surface. It is at its perigee (lowest point) d=100 km above the surface 50 minutes later. a. Assuming that d
asked by Nick 
science Help
A longhaired cat (recessive trait s) is crossed with a heterocygous shorthaired cat (dominant trait S). What percentage of their offspring will have long hair? A. 100 percent B. 50 percent C. 25 percent D. 0 percent Is the answer C?
asked by Gwen 
Physics
What is the threshold frequency for the photoelectric effect on lithium (phi= 2.93eV)? What is the stopping potential if the wavelength of the incident light is 400nm?
asked by Paul 
Physics
An experimenter finds that no photoelectrons are emitted from tungsten unless the wavelength of light is less than 270nm. Her experiment will require photoelectrons of maximum kinetic energy 2.0eV. what frequency of light should be used to illuminate the
asked by Paul 
statistics
In order to study whether IQ level is related to birth order, data were collected from a sample of 540 students on their birth order (Oldest/In Between/Youngest) and their score on an IQ test. The data collected in this study would be best displayed using:
asked by sifuentes 
maths
in a group of 60 children 31 speak French 23 speak Spanish 14 neither French nor Spanish find the number of student who speak: (a)both French and Spanish (b)French only (c)Spanish only draw a venn diagram please answer quickly
asked by amrita 
Math
sumiko is allowed to watch no more than 10 hours of televisione ach week she has watched 4 hours of television already. write and solve an inequality to show many more hours of television sumiko can watch 10≤4+h
asked by Coleson 
Math
The expression cos 60° is equivalent to sin ?
asked by Alex 
Physics
Your friend is an environmentalist who is living in a tree for the summer. You are helping provide her with food, and you do so by throwing small packages up to her tree house. If her tree house is 21 m above the ground, what is the minimum (initial) speed
asked by Chrissy 
Physics
What is the threshold frequency for the photoelectric effect on lithium (phi= 2.93eV)? What is the stopping potential if the wavelength of the incident light is 400nm?
asked by Paul 
sociology
One who believes in a social contract theory would most agree with which statement? (Points : 1) people do not need laws to live harmoniously in society. humans make contracts in order to buy things. in order to establish society, humans agree to obey
asked by stacy 
Math Help
Choose the word phrase that can be represented by 2 – p. the difference of a number p and 2 the quotient of 2 and a number p 2 more than a number p 2 decreased by a number p 2. Which word phrase could represent the variable expression 1/2a + 4? 4 more
asked by Anonymous 
chemistry
A 50g chunk of metal (c=0.0506 j/g°C) is heated to 60°C. it is then dropped into a calorimeter(c=1.40 j/g°C,m=5.0 g)that contains 100.0g of an unknown liquid. the temperature of the liquid raises from 15°C to 20°C.What is the c of the calorimeter?
asked by liz 
sociology
According to literature on violence in television, the average 18 year old will have seen how many violent acts? (Points : 1) 1,000 6,000 8,000 60,000 200,000
asked by stacy 
physics
worker stands still on a roof sloped at an angle of 30° above the horizontal. He is prevented from slipping by a static frictional force of 560 N. Find the mass of the worker.
asked by chidera 
math
A pair of intersecting planes ______ intersect in exactly one point? A always B sometimes C never D not enough information I think A always, but I do not know for sure.
asked by Skye 
government
The purpose of the First Ten Amendments to the Constitution is to __________.
asked by Anonymous 
MATHHelp!
A new set of car tires has a tread depth of 8 millileters. The tread depth decreases 0.12 millimeter per thousand miles driven. Write an equation that gives the tread depth as a function of the distance driven. Then predict what distance the tread depth
asked by Sara 
Chemistry
A hydrogen atom has a mass of 1.673x10^24 g How many hydrogen atoms would you have in 5.6 g of hydrogen?
asked by Anonymous 
Math
Logan saves $5.50 in dimes and quarters over a week. He has 20 more dimes than quarters. Find the number of dimes and quarters he saves. How do I solve the problem algebraically?
asked by Samantha 
physics
A car is towing a boat on a trailer. The driver starts from rest and accelerates to a velocity of +11.4 m/s in a time of 29.2 s. The combined mass of the boat and trailer is 443 kg. The frictional force acting on the trailer can be ignored. What is the
asked by chidera 
Math
you complete 3 cm of a necklace in1 hour. Each hour after the first hour you triple the length of the necklace. What is the length of the necklace after 3 hours?
asked by Lee 
physics
If the earth doubled in mass but stayed the same size, what would be the acceleration due to gravity at the surface? m/s2 The dimensions of the earth as we currently know it are: Mass = 5.98E24 kg, Radius = 6.38E6 m and the universal gravitational constant
asked by Girma 
Math
Solve the given quadratic equation exactly using the quadratic formula. Write the solutions in its simplest form. Using a calculator, determine all irrational solutions to the nearest thousandth. Separate the solutions with a comma and list the smaller one
asked by Sam 
Chemistry
Since a hydrogen atom consists of just one proton and one electron, it should have a mass of 1.673 x 10^24 g. And so it does. Calculate how many hydrogen atoms you'd have if you had 5.6 g of hydrogen.
asked by Alex 
Explore wheel
A online data base is a way for students to keep track of information during research. Am I correct
asked by Explor wheel help! 
physics
A rock dropped into a pond produces a wave that takes 15.7 s to reach the opposite shore, 24.3 m away. The distance between consecutive crests of the wave is 3.5 m. What is the frequency of the wave?
asked by Anonymous 
social studies
which two cities of nepal are connected by siddhartha highway?
asked by ashish 
Math
Solve the given quadratic equation exactly using the quadratic formula. Write the solutions in its simplest form. Using a calculator, determine all irrational solutions to the nearest thousandth. Separate the solutions with a comma and list the smaller one
asked by Jade 
algebra
the numbers on two consecutively numbered gym lockers have the sum of 131. what are the locker numbers?
asked by david 
Physics
Calculate the gravitational potential energy of the water in a lake of volume 100km^3 (mass=1.0x10^14kg). The lake has an average height of 50m above the hydroelectric generators at the base of the dam holding the water back.
asked by CeCe 
Physics
An FM radio station of frequency 107.7MHz puts out a signal of 50,000 W.How many photons/s are emitted?
asked by Paul 
Trigonometry
Factor the expression and use the fundamental identities to simplify. 12 cos^2x + cos^4x
asked by Syndra 
Algebra 2 Help plz
The amount of paint an electric paint sprayer applies varies directly with time. A sprayer is set to apply 0.5 gallon in 2.5 minutes. Write an equation that gives the amount P of paint as a function of the time T. How much paint is applied if the sprayer
asked by Josh M 
math
A box of 20 Crunchy Munchy cookies costs $2.50 and a box of 40 Crunchy Munchy cookies costs $4.00. One quart of milk costs $1.50. Which of the following options costs less?
asked by Anonymous 
math
The amount of paint an electric paint sprayer applies varies directly with time. A sprayer is set to apply 0.5 gallon in 2.5 minutes. Write an equation that gives the amount P of paint as a function of the time T. How much paint is applied if the sprayer
asked by Dina 
Algebra
A new set of car tires has a tread depth of 8 millileters. The tread depth decreases 0.12 millimeter per thousand miles driven. Write an equation that gives the tread depth as a function of the distance driven. Then predict what distance the tread depth
asked by Riley 
2nd grade math
A number has more ones than tens. the value of the tens digit is 50. the ones digit in the number is less than 7. what are the possible numbers
asked by Mythreyee 
US Government
Why might the Framers have wanted the presidents power in foreign affairs to be so broad?
asked by Anabella 
Social Studies
I need a website that has answers to this worksheet: Russia and Eastern Europe: CHERNOBYL  April 26, 1986.
asked by Lily 
Algebra
You are planing to put a title border along a 175inchwide wall in your kitchen. You want to use only whole titles. List all the possible whole number title widths of 8 inches or less, what size title could you use? 8 inch or 4 inch
asked by Diego 
Sociology
Research on children raised in orphanages has found that?
asked by TY 
Physics
The Stanford Linear Accelerator can accelerate electrons to 50GeV (50x10^9eV). What is the minimum wavelength of photon it can produce by bremsstrahlung? Is this photon still called an xray?
asked by Paul 
algebra
what is the system of equation of: 0.25x+0.15y=2.5 1.25x1.25y=7.5
asked by jhia 
CHECK PLEASE
11.abhor : detest 12.infraction 13.resolute 14.infringe 15.abound 11.Find the pair of words that has the same kind of relationship as the numbered pair. abscond : flee :: A. ascertain : forget B. concise : cut C. discern : hide D. abhor : detest 12.In
asked by Matt 
History
I'm back. I didn't understand the answer yesterday, and I reread my book, but I'm still confused. Can you help? 1. Why did the system of feudalism arise during the Middle Ages? A. to develop an economic system B. to determine jobs within a city C. to
asked by dddd47906 
calculus
Suppose that the number of bacteria in a plate of food is given by N(T)= 10T^2  40T + 200, 1
asked by Anonymous 
Vector
Let 𝑎⃗ and 𝑏 be two vectors in the xy plane making angles 𝜃 and ∅ with the x axis, respectively. Use vector algebra to show that: cos(𝜃 − ∅) = cos 𝜃 cos ∅ + sin 𝜃 sin ∅
asked by HelpMaths 
Math
Write an inequality for each statement The product of a number and 4 is at most 24
asked by Coleson 
sociology
Justice Potter Stewart would most agree with which claim about obscenity? (Points : 1) It is easy to concretely determine what obscenity is. People can intuitively understand what obscenity is. Obscenity ought to be allowed so long as no one is harmed.
asked by stacy 
Physics
How long does it take an automobile traveling 68.5 km/h to become even with a car that is traveling in another lane at 56.5 km/h if the cars’ front bumpers are initially 145 m apart? Answer in units of s.
asked by Alisa 
chem
a 50ml aliquot sample of vinegar is titrated with a 0.078 M NaOH sol'n. The phenolpthalein end point was reached after the addition of 35.6 ml. Equation: HC2H3O2 + NaOH _____> NaC2H3O2 + H20 Calculate the % by mass/vol. of acetic acid in the sample.
asked by jane 
Physics
A body's temperature is increased from 900K to 1900K. By what factor does the total power radiated per unit area increase?
asked by Paul 
Physics
A car is traveling at 72 km/hr. The driver begins to apply the brakes and the begins to slow with a constant acceleration (a). After the brakes are applied, the car stops in a distance of 100 m. What is the acceleration? My teacher gave the class a list of
asked by Angie 
physics
If a ball hits a wall going 10 m/s, and bounces off going 7 m/s. What is the coefficient of restitution?
asked by Girma 
physics
The longest pass in NFL history is approximately 83.7 m. Ignoring the effects of air resistance, calculate what must have been the initial speed of the football.
asked by brandon 
Maths
Ratio of the radius of the cylinder to the cone is 1:2 assume their height are the same find the ration of their volumes.
asked by Mythily 
math
The least common multiple of two numbers is 60 and one of the numbers is 7 less than the other number. What are the numbers? Justify your answer.����
asked by shakinah 
science
calculate the number of moles inside a soap bubble 1cm in diameter and 1atm pressure at a temperature of 25 degree celsius.
asked by Samson 
Physics
The Stanford Linear Accelerator can accelerate electrons to 50GeV (50x10^9eV). What is the minimum wavelength of photon it can produce by bremsstrahlung? Is this photon still called an xray?
asked by Paul 
Vector
Your engineering firm plans to design an elevator for a hospital. The force exerted on a passenger by the floor of the elevator is not to exceed 1.60 times the passenger¡¦s weight. The elevator accelerates upward with constant acceleration for a distance
asked by HelpMaths 
Physics
Q1a stone is thrown upwards into the what is the magnitude and direction of its acceleration ? Q2if a ball is thrown horizontally from a top of a cliff and takes 3 seconds to reach the beach below. Calculate the height if the cliff by considering the
asked by Nsreen 
Physics
An experimenter finds that no photoelectrons are emitted from tungsten unless the wavelength of light is less than 270nm. Her experiment will require photoelectrons of maximum kinetic energy 2.0eV. what frequency of light should be used to illuminate the
asked by Tom 
statistic research
ryan selects one card from a deck of 52 different card. the first card is not replaced before joe selects the second one. in how many different ways can they select the two card?
asked by may pinaroc 
HELP
Shane's seats at the concert were so far from the stage that he could not ____________ who was the lead singer and who was the guitarist
asked by Matt 
College PreCalculus
find a function m such that m(f) is the number of miles in f feet
asked by Anonymous 
Physics
Starting from rest, Mr.M's bus achieves a velocity of 25 m/s in a distance of 1.0 km. Find the time and the acceleration. I don't know which formula to use. Delta T = Vf  Vi / Aavg ?
asked by Selena 
physics
From a 5 metre high smooth hill a 6 kg block slides down and stops somewhere on the horizontal ground. Effect of turning part is negligible. Find the work done while the block is pulled back from this position to the top of the hill.
asked by anubha 
Geometry
Did I solve the following correctly? I had to the fin the midpoint. A (3, 2) B (5, 4) I did the midpoint formula: M(3+5/2, 2+ 4/2=M (2/2, 2/2). Is (2/2, 2/2) the correct midpoint?
asked by Eva 
Physics
An FM radio station of frequency 107.7MHz puts out a signal of 50,000W. How many photons/s are emitted?
asked by Paul 
Physics
A hockey puck slides with an initial speed of 48 m/s on a large frozen lake. If the coefficient of kinetic friction between the puck and the ice is 0.030, what is the speed of the puck after 11 s?
asked by Chrissy 
calculus
Suppose that the number of bacteria in a plate of food is given by N(T)= 10T^2  40T + 200, 1
asked by Anonymous 
Physics
The Stanford Linear Accelerator can accelerate electrons to 50GeV (50x10^9eV). What is the minimum wavelength of photon it can produce by bremsstrahlung? Is this photon still called an xray?
asked by Derick 
history
How did Calhoun and South Carolina propose to test the theory of nullification? What factors contributed to their decision?
asked by Aliene 
Social studies
I need help for my 6th grader how do we describe some of the similarites and difference between the southern and northern regions with each other
asked by Pinks 
Fractions
Eleanor and Max used two rectangular wooden boards to make a set for the school play. One board was 6 feet long, and the other was 5 1/2 feet long. The two boards had equal widths. The total area of the set was 60 3/8 square feet. What was the width?
asked by Kymmy 
criminal justice
In what ways do corrections professionals use the social justice principles of equality, solidarity, and human rights to build a more just society.
asked by kirsten 
health
Veins carry blood ________ the heart A. Away from B. Towards C. Neither A or B D. Both A and B c
asked by aaron 
health
Question 8 of 20 5.0 Points Functions of blood include: A. Transporting hormones from glands B. Transporting carbon dioxide away from the lungs to body tissue C. Transporting waste away from the kidneys D. All of the above A
asked by lavell 
Math
Felix wants to get at least one hour of exercise each day Today he has run for 40 minutes. Write an inequality to show how much longer he needs to exercise to reach his goal 40+e≥ 60 e≥ 20
asked by Coleson 
chemistry
Can someone tell me what steps i need to take? So confused on how to solve this An average human adult takes about 15breaths per min and exhales 23ml of co2 with each breath. If your trapped in a cave with pressure .963atm and 11C and your only source of
asked by ailee 
Physics
An FM radio station of frequency 107.7MHz puts out a signal of 50,000W. How many photons/s are emitted?
asked by Tom 
Math please help
Simplify & write the answer using positive exponents: 1. (3^3)(3^6) 2. S^2 t^1 / (s^4 t^4)^1/2 Simplify then evaluate, express answer to 4 decimal places where nessasssary : 3. [(2/3)^2]^3 4. [(14)^3 Divide (1/4)^2]^2
asked by Kali 
Physics
A gamma ray with 700KeV energy is ComptonScattered from an electron. Find the energy of the photon scattered at 110 degrees, the energy of the scattered electron, and the recoil angle of the electron.
asked by Paul 
chem
A .7567 impure KHP was dissolved in water. 26.7 ml of standardized 0.068 M NaOH was used to achieve a phenolphthalein end point. The stoichiometric ratio between KHP and NaOH is 1:1. What is the percent by mass of KHP in the sample?
asked by jane 
Science
Why might scientists first want to build and study a model of their proposed project?
asked by Dfca 
Science
The gradient or slope of the distance time graphy at any pont gives
asked by Ammu 
science
Do all animals reproduce?
asked by Anonymous 
Physics
This is a vector problem. A man starts at home and runs 5 miles north and then 5 miles in a direction 23 degrees south of west. Now he wants to go back home in a straight line. How far does he need to go and in what direction? so i found that the
asked by Sandy 
Math
Find two numbers the exact answer is between 6x7381
asked by Anonymous 
math
Becky a saleswoman,is offered two salary plans. Plan 1 is $450 per week salary plus a 3% commission of sales. Plan 2 in a $300 per week salary plus a 16% commission of sales.How much would Becky need to make in sales for the salary to be the same from both
asked by anna 
algebra
What is the system of equation of: 1/2x+2/3y=4 2x+1/3y=7
asked by jhia 
physics
a 700 newton man is able to climb up 4.5 meters on a 6 meters ladder before it slips. What must be the coefficient of friction be if the ladder is arranged so that it makes an angle 50 degrees with the ground? Assume the ladder to be uniform and weighing
asked by james 
Physics
An experimenter finds that no photoelectrons are emitted from tungsten unless the wavelength of light is less than 270nm. Her experiment will require photoelectrons of maximum kinetic energy 2.0eV. what frequency of light should be used to illuminate the
asked by Paul 
algebra
Becky a saleswoman,is offered two salary plans. Plan 1 is $450 per week salary plus a 3% commission of sales. Plan 2 in a $300 per week salary plus a 16% commission of sales.How much would Becky need to make in sales for the salary to be the same from both
asked by annonomyous 
health
The spinal cord serves as a conduction pathway for impulses going to and from the ________. A. Lungs B. Liver C. Brain D. Heart
asked by paul 
math
The school cafeteria serves pizza every 6th day and applesauce every day Thursday supposed to pizza and applesauce are both on today's menu in how many days will they be together on the menu again?
asked by Alex 
Physics
A crate of mass 54 kg is attached to one end of a string, and the other end of the string runs over a pulley and is held by a person as in the figure below. If the person pulls with a force of 93 N, what is the crate's acceleration? (Assume that upward is
asked by Chrissy 
math
Jim is painting a new shed . If 1/5 of a gallon of paint covers 2/25 of the shed , how many gallons of paint would be needed to paint 4 sheds of that size?
asked by Shamus 
Physics
A car enters the freeway with a speed of 7.2 m/s south and accelerates uniformly for 4.2 km in 4.0 min. How fast (in m/s) is the car moving after this time? I only need the formula. My teacher gave us a list but did not tell the class which equation is for
asked by Selena 
Physics
If a 6.0keV photon scatters from a fee proton at rest, what is the change in the photon's wavelength if the photon recoils at 90 degrees?
asked by Sarah 
Math
Bricks have a mass of 1.57 kg each. How many bricks are there in 5whole number 1/4tonnes ?
asked by Nuwel 
physics
You are riding a carousel that is turning at a constant angular velocity. You must pull toward the center with 100N of force to stay in place. You decide to move radially toward the center of the carousel to ride on a small animal figure that is at half
asked by Girma 
Math
The sine ratio is positive in the first and what other quadrant?
asked by Alex 
calculus
Find the derivative of (6x^2+4y^2)/(3x+7y)=3 using implicit and quotients rule. Thank you!
asked by MathLover 
algebra
I really need that to my examples in my report tomorrow those i posted question, its a kind of test tomorrow please help me now please... even if now only...
asked by jhia 
algebra
the cinema sold 600 tickets total. adults tickets were $15 and childrens tickets were $8. they made a total of $7740. how much of each ticket were sold?
asked by lucy 
Math
If 1/3 is equal to 2/6 how come my teacher says it is equal to 5/8?
asked by Sophie 
Algebra 2 (Please, help me!)
1. Explain how to find the slope of a line from a table of data. A: ? 2. Explain how to justify the Cross Products Property by using Mulitplication Property of Equality. A: ?
asked by Victoria 
Math
Simplify and write the answer using positive exponents : 1. (3^3)(3^6) 2. S^2 t^1 / (s^4 t^4)^1/2 3. [(2/3)^2]^3
asked by Kali 
Math
Fern rounded to the nearest ten to estimate 548132. She subtracted 540130=410. Is Fern's estimate correct? Explain.
asked by Alyssa 
Physic
The distance between two nearest nodes of a standing wave is 17.3 cm. Hand generated pulses move up and down through a complete cycle four times every seven seconds. Find the velocity of the wave. Answer in units of m/s.
asked by Anonymous 
Analytical Chemistry (Titrations)
About 10ml of concentrated HCl was transferred to a 1L volumetric flash and diluted to mark with distilled water. When this solution was used to titrate a sample of pure sodium carbonate, Na2Co3, weighing 0.3054 gram, it took 35.09 ml to reach the methyl
asked by Alex 
Meth
18. Jared wants to rent a car. They charge $39.95 per day plus miles. The first 100 miles are free, but the company charges $0.20 per mile after that. If Jared has $50, what is the range of number of miles he can drive if he rents the car for one day?
asked by Anonymous 
Physics
A gamma ray with 700KeV energy is ComptonScattered from an electron. Find the energy of the photon scattered at 110 degrees, the energy of the scattered electron, and the recoil angle of the electron.
asked by Sarah 
Physics
An experimenter finds that no photoelectrons are emitted from tungsten unless the wavelength of light is less than 270nm.
asked by Paul 
Organic Chem Help
Can someone explain how crystallization works to produce a product that is purer than the input material. Thank you!
asked by Simon 
Physics
A television tube operates at 20,000V. What is min wavelength for the continuous xray spectrum produced when the electrons hit the phosphor?
asked by Paul 
chemistry
Would a substance with a density of 7.89 kg/dm^3 float on a substance that has a density of 14.2 g/ml?
asked by Jim 
algebra
1.Find an equation of the line that passes through (4,3) and is parallel to the line 3xy=7. 2. Find the equation of the line through (4,3) perpendicular to the line 3x+y=7. Please show work so I know how to do it
asked by Hannah 
emergency please help me!!!
I posted some questions just about an hour ago. I really need help please help me.
asked by ANAHI 
Algebra 2
Explain how to find the slope of a line from a table of data.
asked by Anonymous 
ChemDrBob222
Chromatograph Carrying out TLC on colorless compounds. Give two examples of methods to use in order to visualize the spots on the plates. Carrying out TLC with a mixture of two compounds A and B. A is less polar than B. on a reverse phase plate
asked by YuYing 
French
What is the difference between aller and vas? What is the difference between these two sentences? Il parle à Marie. Il parle de Marie.
asked by Anonymous 
Criminal Justice
What are three main issues that face corrections professionals on a regular basis and address the best responses to these issues.
asked by kirsten 
Physics
A body's temperature is increased from 900K to 1900K. By what factor does the total power radiated per unit area increase?
asked by Paul 
Physics
A television tube operates at 20,000V. What is min wavelength for the continuous xray spectrum produced when the electrons hit the phosphor?
asked by Paul 
chemistry
A sample of 1.15g of lead (II) nitrate is mixed with 121mL of 0.104 M sodium sulfate solution. Part A Write the chemical equation for the reaction that occurs.
asked by Cas 
Physics
Two children are playing on a 147mtall bridge. One child drops a rock (initial velocity zero) at t = 0. The other waits 1.2 s and then throws a rock downward with an initial speed v0. If the two rocks hit the ground at the same time, what is v0?
asked by Chrissy 
Math
A new set of car tires has a tread depth of 8 millileters. The tread depth decreases 0.12 millimeter per thousand miles driven. Write an equation that gives the tread depth as a function of the distance driven. Then predict what distance the tread depth
asked by Collins 
Math
Write an inequality for each statement The product of 2/3 and x is no more than 16 2/3x ≤ 16
asked by Coleson 
Physics
White dwarf stars have been observed with a surface temperature as hot as 200,000 o C. What is the wavelength of the maximum intensity produced by this star? help please don't know what to do
asked by Tom 
math
a radio uses onethird the number of watts used by lamp, and a heater that uses 15 times as many watts as a lamp. when all are in use, the total electrical power is 1.1 kilowatts how many does the radio use?
asked by sara 
Science
If the coordinates of points A and L are 4 and 8, respectively, then the midpoint between them has a coordinate of____ A 0 B 2 C 4 D 6 Please help me understand this!
asked by Skkye 
Physics
White dwarf stars have been observed with a surface temperature as hot as 200,000 o C. What is the wavelength of the maximum intensity produced by this star?
asked by Paul 
english
how do u write an outline over someone you admire like for instant my cousin who helped me in band, athletics and school work??
asked by tessa 
Algebra
Maggie is making fruit punch. She uses 2 1/2quarts of grape juice and 1 1/2 quarts of orange juice. 1 quart of grape =$1 less and 1 quart of orange juice. The total cost to make the fruit punch is $12.50 how much is each quart of each juice?
asked by Jeff 
Economic
The Admissions Director (AD) wants to determine the optimum number of students for each ECO561 class. You are provided with the following data: Tuition is $1250 per student. Instructor Pay $2500 Other incidental (variable) costs  $1000.00 Variable cost
asked by Rose 
Calculus I
I have to determine if this function is either odd or even or neither. f(x)=x^3*abs(x^3) + x^3 I do not know how to approach this question as the absolute value is giving me trouble. Please help. Thanks.
asked by Anonymous 
math
Rationalize the denominator using the conjugate. 1/1√7+√5 please show all the steps and explain it i don't get it
asked by sunny 
Precalculus
Find two values for theta such that theta is greater than or equal to 0 but less than or equal to 2pi. 1. Tan theta=1.1071 2. Sin theta = 0.8818
asked by Anonymous 
Physics
If a 6.0keV photon scatters from a fee proton at rest, what is the change in the photon's wavelength if the photon recoils at 90 degrees?
asked by Paul 
Physics
A gamma ray with 700KeV energy is ComptonScattered from an electron. Find the energy of the photon scattered at 110 degrees, the energy of the scattered electron, and the recoil angle of the electron.
asked by Paul 
math
If the coordinates of points A and L are 4 and 8, respectively, then the midpoint between them has a coordinate of____ A 0 B 2 C 4 D 6 Please help me understand this!
asked by Skye 
statistics
Teenage smoking rate dropped to 8.5% in 2007 from 17.6% in 2001 and 23% in 1997. 1. Calculate the probability that at least one in a group of 10 teenagers smoked in 2007. 2. Calculate the probability that at least one in a group of 10 teenagers smoked in
asked by rachel 
Math
The quotient of a number and 15 is at least 3 n/15 ≥ 3
asked by Coleson 
physic
The distance between two nearest nodes of a standing wave is 16.3 cm. Hand generated pulses move up and down through a complete cycle four times every seven seconds. Find the velocity of the wave. Answer in units of m/s.
asked by Anonymous 
science
ind the molality of the solution obtained when 36.5 gram HNO3 is dissoloved in 750 gram water
asked by tanay patel 
Physics
A television tube operates at 20,000V. What is min wavelength for the continuous xray spectrum produced when the electrons hit the phosphor?
asked by Derick 
Math
Find a unit vector in the direction of(1/2, 1/2, 1/2).
asked by Kyle 
math
Theater prices: Adult $6.00 Student $3.00 4 adult tickets and 6 student tickets on a night that offers the special deal that a free ticket is given with each ticket purchased
asked by Jake 
Math
1/5 of the people in a village have been inoculated against measles. If 50 people have been inoculated, what is number of people in the village.
asked by Nuwel 
Algebra 2
Explain how to find the slope of a line from a table of data.
asked by Victoria 
Algebra 2
Explain how to justify the Cross Products Property by using the Multiplication Property of Equality.
asked by Victoria 
english
what are some archetypal monster in movies. (we just got done reading beowulf) thank you!!
asked by lauren 
math
Samy bought 5 1/3 lb of apples to make some apple pie. What is the weight of the apples written as a decimal?
asked by sacyrah 
English
1. The staff meeting will be held next Tuesday. 2. The staff meeting will be taken next Tuesday. 3. The staff meeting will be got next Tuesday. 4. The staff meeting will be finished next Tuesday. (#1 is grammatical, right? What about the others from
asked by rfvv 
Criminal Justice
How do corrections professionals use criminal theory in their practice.
asked by kirsten 
dana
Wich lets you put Equal groups toghether?
asked by Anonymous 
math
any number that can be expressed as the ratio of 2 integers a/b, where b does not equal 0, is a rational number
asked by Anna 
MATH ASAP!!
Rationalize the denominator using the conjugate. 1/1√7+√5 please show all the steps and explain it
asked by sunny 
Physics
If a 6.0keV photon scatters from a fee proton at rest, what is the change in the photon's wavelength if the photon recoils at 90 degrees?
asked by Paul 
physics
A spring with a spring constant of 53.0 N/m is attached to different masses, and the system is set in motion. What is its period for a mass of 2.7 kg?
asked by Anonymous 
math statistics
A group of teenager smoking rate dropped 8.5% in 2007 from 17.6% in 2001 and 23% in 1997. 1. Calculate the probability that at least one in a group of 10 teenagers smoked in 2007.2. Calculate the probability that at least one in a group of 10 teenagers
asked by rachel 
MATHS
Three fair coins are tossed at the same time. What is the probability that one of the coins will show heads and other two will show tails?
asked by Bryan 
Linear Algebra
Show that the set [(3,2,4),(1,2,1), (6,4,8) is linearly dependent by writing a nontrivial liner combination of the vectors that equals the zero vector. After some calculations I got t1=2, t2=0 and t3=1, but its my understanding that if a set is
asked by Jervis 
Math
Show that the set [(3,2,4),(1,2,1), (6,4,8) is linearly dependent by writing a nontrivial liner combination of the vectors that equals the zero vector. After some calculations I got t1=2, t2=0 and t3=1, but its my understanding that if a set is
asked by Jervis 
math
In my homework it says to put 1,3,4,and 8 to equall 18 only using the symbols +.,x, and ( ). What is the answer to that?
asked by Jenny 
Math
A ball is dropped from ten feet and caught after it touches the ground on the 30 th bounce, what is the distance traveled by the ball?
asked by Alyssa 
algebra
what is the system of equation of: 1/2x+ 1/2y=4 3x2y=5/4
asked by jhia 
Algebra 2 Answer Check
If the rise and run are reversed for the linear equation y = 8x + 4, what is the slope of the new line? A: 0.125 or 1/8?
asked by Victoria 
math
The partial derivative with respect to y for z=e^y sin(xy) is: zy= xe^y cos(xy) + e^y sin(xy) How do i get to this answer? Thanks.
asked by Jean 
math
Changing decimal to percent .123=12.3%=12 3/10 ??
asked by taylor 
ecu
test has a 500 mean with a sd of 150; with a score of .13% both negative and postive 2.14%
asked by Anonymous 
ratios
what is the ratio of 4/5 over 1/6 in simplest form
asked by Anonymous 
math
the expression that is equivalent to 2(x  7).
asked by hannah 
introduction to psychology ll
Researchers have found that, during childhood:
asked by trenee 
math
Determine all values of k for which each pair of vectors is orthogonal. a) (1,2) and (k,k) b) (1,2,1) and (k,2k,4)
asked by Kyle 
Math
So she saw 461 dolphins that are 5 year so we don't need to estimate on this problem. So I did 461/5 is 92 is the answer. Then the said how many did he spot per summer in the 5 summers he worked so I think we need to divide the answer which is 92 and the
asked by Annie 
math
2a÷4=3 .....is this answer correct: 2a=3×4 2a=12 2a÷2=12÷2 a=6
asked by taylor 
math
3×/4+11=225 3×/4+1111=22511 3×/4=6 (4) 3×/4=6 (4) 3×=24 /3=24/3 ×=8 correct... 3(8)/4+11=225 24/4+11=17 6+11=17 17=17 Nevermind :)
asked by taylor 
Math
5y^3 ( x^4) When x is 2 and y is 1
asked by Sally 
math
5 an 7/12 divided by 12 equals
asked by David 
International Law
Hello What two nations has the United Nations intervened. I have Cuban and Angola, Israel and Arab States. I am looking for more examples. Thank You
asked by Jerri 
math
12.5% =.125=125/1000 or 12 5/10=12 1/2 m confused
asked by taylor 
math,algebra
(3^1X^3)^2 x 12X^5 my work: 3/2X^6 x 12X^5= 36/2=18X^11 but the answer was 4/3X^11
asked by Chris 
introduction to psychology ll
Toddlers are able to:
asked by trenee 
math
solve x+2=2x+1
asked by Anonymous 
alagbra
54(123y)=
asked by michelle 
algerbra
I need some help please 7/10 / 1/8+4/5*1/2
asked by jennifer