Questions Asked on
September 2, 2012

Geometry
Angle ABC and ange DBE are vertical angles,the measure of angle ABC =3x+20, and the measure or angle DBE =4x10. Write and solve an equation to find the measure of angle ABC and the measure of angle DBEin
asked by Amber 
Math PreAlgebra
5.2 (division sign) 1.25
asked by Jennifer 
physics
A 0.67 kg rock is projected from the edge of the top of a building with an initial velocity of 11.6 m/s at an angle 52 ◦ above the horizontal. Due to gravity, the rock strikes the ground at a horizontal distance of 19.5 m from the base of the building.
asked by Noah 
accounts
Part 1 During 2010, Raines Umbrella Corp. had sales of $850,000. Cost of goods sold, administrative and selling expenses, and depreciation expenses were $610,000, $110,000 and $140,000, respectively. In addition, the company has an interest expense of
asked by accouns 
Statistics
A conservative correction method for inflated "Alpha values" based on multiple comparisons being carried out independently on a specific data set, is known as...? A. Ad Hoc Testing B. Tukey's honestly significan differences (HSD) C. Post Hoc testing D.
asked by Pat 
Chemistry
While in Europe, if you drive 123km per day, how much money would you spend on gas in one week if gas costs 1.10 \rm euros per liter and your car's gas mileage is 28.0mi/gal ?
asked by Sanam 
Physics
Two stones are dropped from the edge of a 60m cliff, the seconds stone 1.6s after the first. How far below the top of the cliff is the second stone when the separation between the two stones is 36 m?
asked by Anonymous 
Statistics
Parametric procedures of quantitative analysis make an underlying assumption that...? A. Dichotomous variables have been "smoothed" B. The variables are measured at least at an ordinal level. C. All responses are measured in a mutually exclusive manner D.
asked by Pat 
Statistics
In conducting multiple regression analyses (MRAs), a major technical concern involves any high correlation of predictor (regressor) variables included in the model. The term for this is ....? A. Redundant predictors B. Close "knit" IVs C. Multicollinearity
asked by Pat 
Geometry
Angle ABC and ange DBE are vertical angles,the measure of angle ABC =3x+20, and the measure or angle DBE =4x10. Write and solve an equation to find the measure of angle ABC and the measure of angle DBEin
asked by Amber 
physics
Spherical particles of a protein of density 2.0 g/cm3 are shaken up in a solution of 20°C water. The solution is allowed to stand for 1.0 h. If the depth of water in the tube is 3.7 cm, find the radius of the largest particles that remain in solution at
asked by Anonymous 
Math
Use the Intermediate Value Theorem to show that there is a root of the given equation in the specified interval. cos x = x. How do I begin this problem? According to the theorem, a=0, b=1 and N=x?
asked by KC 
physics
The shell’s trajectory curves downward because of gravity, so at the time t = 0.217 s the shell is below the straight line by some vertical distance ∆h. Find this distance ∆h in the absence of air resistance. The acceleration of gravity is 9.8 m/s 2
asked by Noah 
physics
A cannon ﬁres a 0.639 kg shell with initial velocity vi = 10 m/s in the direction θ = 55 ◦ above the horizontal. The shell’s trajectory curves downward because of gravity, so at the time t = 0.217 s the shell is below the straight line by some
asked by Noah 
AP Chemistry
how many milliliters of 0.125 M H2SO4 are needed to neutralize 0.200 g of NaOH?
asked by Cassie 
C# Programming
There are three seating categories at an athletic stadium. For a baseball game, Class A seats cost $15 dollars each, Class B seats cost $12 each, and Class C seats cost $9 each. Create an application that allows the user to enter the number of tickets sold
asked by Dylan 
Physics
Consider the equation v = 1/4zxt^2. The dimensions of the variables v, x, and t are [L]/[T], [L], and [T], respectively. The numerical factor 4 is dimensionless. What must be the dimensions of the variable z, such that both sides of the equation have the
asked by Kristie 
stats
n a study using 15 respondents and in which the population variance is unknown, what distribution should be used to calculate the confidence interval.
asked by Anonymous 
Statistics
When conducting an inferential statistical analysis, and applying a conventional "critical pvalue" of .05, the odds of making a Type I Error and "rejecting a true Null Hypothesis" is? A. 1 in 30 B. 1 in 100 C. 1 in 20 D. 1 in 10
asked by Pat 
physics
Consider the following set of equations, where s, s0 and r have units of length, t has units of time, v has units of velocity, g and a have units of acceleration. Take k to be dimensionless.Identify if these are dimensionally correct or incorrect. 1)v^2=
asked by selena 
organic chemistry
How many milliliters of boiling water are required to dissolve 25 g of phthalic acid? If the solution were cooled to 14 degree Cellucius, how many grams of phthalic acid would recrystallize out?
asked by felici 
chemistry
A flask containing 5.00ml of 3M hcl solution required 14.45 of 1.00M naoh for titration. How many moles of hcl are present in the solution? The density of 3M hcl is 1.05g/ml. My calculation 0.005L x 3M = 0.015 moles 0.01445 x 1m = 0.01445 moles Who helps
asked by Fai 
PHYSICS
Assume: A 78 g basketball is launched at an angle of 46.7 ◦ and a distance of 18.6 m from the basketball goal. The ball is released at the same height (ten feet) as the basketball goal’s height. A basketball player tries to make a long jumpshot as
asked by Noah 
Calculus
Owing to an innovative rural public health program, infant mortality in Senegal, West Africa, is being reduced at a rate of 10% per year. How long will it take for infant mortality to be reduced by 50%?
asked by Jake 
chemistry
At 25 degrees celsius, what is the mass in grams of 2.5L of mercury?
asked by sean 
physics
Suppose we attempt to account for air resistance in our projectile motion in the following (incorrect) way: we alter g so that the acceleration in the y direction is 8 m/s2, and introduce a horizontal acceleration of 3 m/s2. With these changes, find the
asked by mitch 
physical science
how many square feet are there in an area of 1.00 square meters( 1 ft.=0.305)? use the proper number of significant figures in the answer.
asked by tracey 
physics
A peregrine falcon dives at a pigeon. The falcon starts downward from rest with freefall acceleration. If the pigeon is 53.0 m below the initial position of the falcon, how long does the falcon take to reach the pigeon? Assume that the pigeon remains at
asked by may 
Algebra
The floor of a onestory building is 14 feet longer than it is wide (see figure). The building has 1472 square feet of floor space. a) Write a quadratic equation for the area of the floor in terms of w. (b) Find the length l and width w of the floor.
asked by Kristi 
Physics
A sailboat starts from rest and accelerates at a rate of 0.12 m/s2 over a distance of 280 m. (a) Find the magnitude of the boat's final velocity. (b) Find the time it takes the boat to travel this distance.
asked by mike 
computers
describe the minimum equipment needed for software for 3 physicians, administrative personnel, 4 clinical assistants, plus an office manager
asked by Anonymous 
chemistry
calculate the density of a liquid if 47.9mL of it has mass of 49.06g
asked by eddie 
Marketing Research
Read Case 11, "School of Business (1
asked by effe 
math
use 1,2,3,4,5,6,7 to make fractions smaller than one .How many different fractions smaller than one can be made from these numbers?
asked by wan 
Math
Find all numbers x for which x1 + x2 > 1. I know the answer is that there exists no such x, but I need someone to explain to me the steps as to figuring out why that is the case.
asked by Mo 
math
i usually catch the bus home from work.i get on at the first stop and have about 10 km to travel ,so i usually nod off to sleep.i normally fall asleep when the bus has about 3 times as far to go as it has already travelled.halfway through the trip i tend
asked by wan 
math
bananas cost twice as much as oranges.sue buys 10 bananas and 3 oranges.with the same amout of money,she could have bought 4 bananas and how many oranges?
asked by wan 
math
1)how does the placement of the decimal point in the divisor and the dividend affect the decimal point in the quotient.2) when u divide a number by 0.03 ,will your quotient be larger or smaller than your dividend
asked by wan 
physics
A plane, diving with constant speed at an angle of 51.5° with the vertical, releases a projectile at an altitude of 654 m. The projectile hits the ground 6.40 s after release. (a) What is the speed of the plane? (b) How far does the projectile travel
asked by gg 
chemistry
Sulfuric acid (H2SO4) is prepared commercially from elemental sulfur using the contact process. In a typical sequence of reactions, the sulfur is ﬁrst burned: S + O2 → SO2 , then it is converted to SO3 using a catalyst: 2 SO2 + O2 → 2 SO3 . The
asked by Emily 
anthropology
Ethnographic methods are to ethnological methods as to what
asked by n/a 
Math
find K so that the following function is continuous on any interval: f(x)=kx if 0¡Üx
asked by Josh 
AP English
What did the author intend to do with Adventures of Huckleberry Finn? Keep in mind I mean the AUTHOR (Mark Twain) not Huck...I'm just really confused by this question...I could say, "Write a novel aboutinsert plot here. It outlined the values and society
asked by Joey 
math
what numbers is 10times greater than 6
asked by wan 
Economics
1. Given each of the following price elasticities, determine whether marginal revenue is positive, negative, or zero. a. 5 b. 1 c. 0.5
asked by Michelle 
Statistics
To make causal inferences from observed differences between groups based on varied levels of treatment, it is necessary to...? A. Find significant differences between groups at atleast the .05 level B. Use Ttest or ANOVA procedures to conduct the
asked by Pat 
Statistics
Analysis of Variance (ANOVA) results in the calculation of the F Statistic and interpretation of this statistics will inform you as to...? A. Which means significantly differ from the others. B. How the variables are associated with each other. C. Whether
asked by Pat 
physics
It takes you 8.2 min to walk with an average velocity of 1.3 m/s to the north from the bus stop to the museum entrance. How far did you walk?
asked by Carrie 
Sociology
Bullying is an example of a) Peer group pressure b) Desire to conform c) Importance of reference groups d) All of these choices I'm thinking (a)
asked by Tammy 
Law
what does it means boys could face incarceration in a juvenile facility until they are 18 as a maximum penalty.
asked by Laruen 
Chemistry
Rank the following from most polar to least polar (aspirin, caffeine, ibuprofen, acetaminophen): I am getting caffeine>acetaminophen>aspirin>ibuprofen. Is that correct?
asked by KC 
alg
change the logarithmic expression to an equivalent expression involving an exponent. 4^16=x log (base4)16=x is it x=e^2?
asked by alli 
college alg
use the transformations to identify the graph of the function. then determine its domain, range, and horizontal asymptote. f(x)=4+3^X/3 please show work
asked by stumped 
Sociology
In general, the more resources and supports provided to families and young children: a) The worse a child will fare in the long run, since they need to learn to do for themselves b) The better a child will fare in the long run since what happens early in
asked by Tammy 
algebra
find the functions f and g so that f of g =H. H(x)=(6x+9)^4 please show work so i understand this better. thank you
asked by alli 
Grammar
Is this sentence grammatically correct? In the novel, Picture of Dorian Gray, by Oscar Wilde, the character Dorian Gray conveys the idea that influence eventually forces people to become another person and make decisions that are aberrations.
asked by Peter 
alg
find the domain of the composite function f of g. f(x)=x^2+9;g(x)=sqrtx7 please show work
asked by alli 
bio
3. For the three cubes shown below, determine their surface area, volume and surface area to volume ratio. Then, circle the one you believe would be the most efficient and write a summary stating why
asked by sharon 
Biology (Science)
What is the biological definition of life?
asked by Vic 
physics
Consider the following set of equations, where s, s0 and r have units of length, t has units of time, v has units of velocity, g and a have units of acceleration. Take k to be dimensionless.Identify if these are dimensionally correct or incorrect. 1)v^2=
asked by Anonymous 
economics
Say your parents give you a car for your birthday. It is not the new model you wanted, but it's in very good condition. They bought it used for $15,000 (market value). The cost of keeping the car to you is (not counting maintenance and operation cost) is:
asked by Dan 
economics
Say your parents give you a car for your birthday. It is not the new model you wanted, but it's in very good condition. They bought it used for $15,000 (market value). The cost of keeping the car to you is (not counting maintenance and operation cost) is:
asked by Dan 
Probability
4.3. In a certain college town, 27.5 percent of the students failed Mathematics (Math), 19.8 percent failed Biology (Bio), and 11 percent failed both Math and Bio. A student is selected at random. Let A represent the event of failing Math, so that A' is
asked by Carla Lopez 
Math
Please use systemic division. (x^46x^2+3x1) / (x2) please help thank you
asked by Heather 
biology
What do u mean by floral formula?
asked by Birina 
Algebra
What the general term a_n for the geometric sequence a_1= 5 and a_2= 15
asked by Liz 
chemistry
3960 J of heat are added to a 27.6 g sample of iron at 25 ◦ C. What is the ﬁnal temperature of the iron? The speciﬁc heat of iron is 0.449 J/g · K. Answer in units of K
asked by molly 
algebra
(3,0),0,4).solve for the following :
asked by david 
algebra
(3,0),0,4).solve for length, standard form.
asked by david 
algebra
(3,0),0,4).solve for length, standard form.thank you
asked by david 
Math
If john must have a mark of 80% to past a test of 35 items, the number of items he may miss and still pass the test is
asked by Tony 
Maths
Edward has $40 more thanFariq. If Edward gives 1/5 of his money to Fariq. Fariq will have7/8 as much money as Edward. How much money do they have altogether.
asked by RS 
Maths
Mrs.Lee poured 400 ml of water in a rectangular container with a square base.The square base's area is 40 cm2.What is the height of the container?
asked by XL 
Financial Management
Consider the following cash flows (CF's) (i) A single CF at t=5 of $15,000 (ii) A single CF at t=11 of of $10,000 and (111) A single cash flow CF at t=18 of $15,000 Calculate the present value of these CF's at time t=0 interest is 4 percent compounded each
asked by V 
geometry
construct/locate the orthocenter of a triangle LMN where LM=7 cm
asked by shivram.kns 
Statistics
Given that the Number of Grantees of a Driver's License in a small country in the month of April are .... 1,200 for professionsl 3,350 for nonprofessional 2,450 for students If you want to make a study of the correlation between driving habits and number
asked by Bianca 
physlcs
a car on a straight level road is stopped for a red light.on a green light it uniformly accelerates to a velocity of 18m/s in 3 minutes.what is its acceleration?
asked by r0semarle 
chemistry
many formulae which ends with ite,ate ide
asked by maria 
Geometry
Draw a figure demonstrating a quadrilateral that is not a parellelogram such that diagonals are congruent and perpendicular.
asked by Pranavi 
science
how the method you mentioned can prevent food spoilage
asked by Banbi 
Math PreAlgebra
explain why 1 raised to any power is equal to 1
asked by Jennifer 
chemistry
chemical formulae which ends with ite,ate and ide
asked by maria 
Math
If a mixture of a 6% acid solution with an 11% solution is to be made, how much of each solution is needed to make 10 liters of an 8% acid solution?
asked by DAD 
Physics
After having collected samples along the shore all day long, a marine biologist walks back to her campsite, 2.35 km away. Her dog runs ahead, at twice the speed, reaches the campground and turns around until it meets her again. Then, the dog proceeds to
asked by Linda 
Physics
You drop a rock off a bridge. 4. (2 pts) How fast is it going after 2.0 s?
asked by Sara 
mat
In some cases the Distributive Property of Multiplication over Addition or Distributive Property of Multiplication over Subtraction can be used to obtain an answer quickly. Represent the following operations using one of the distributive properties and
asked by jenny 
Physics
Can someone help me with this conversion question? Suppose you are told that 15 quarts (qt) = 14.2 liters (L). What is the conversion factor you would use to convert from quarts to liters? What is the conversion factor you would you use to convert liters
asked by Kevin 
math PreAlgebra
5.2
asked by Jennifer 
math
A college offers nine different psychology courses,four different history course,thirteen different math course,and five different business courses. If a student is required to take one course in each of those four subjects,how many different ways are
asked by Crystal 
Physics
Could someone please check another one of my answer for me? Thank you! A commuter backs her car out of her garage with an acceleration of 1.40 m/s2. (a) How long does it take her to reach a speed of 2.00 m/s? (b) If she then brakes to a stop in 0.800 s,
asked by Miaow 
chemistry
A flask containing 5ml of 3M hcl solution required 14.45ml of 1M NAOH for titration. How many moles of hcl are present in the solution. The density of 3M hcl is 1.05g/ml My calculation 0.005 x 3 = 0.015m 0.01445 x 1 = 0.01445m Who helps me to solve it
asked by Fai 
English
What is the verb in, the sofa has not been cleaned
asked by Anonymous 
Physics
Suppose you have 100 g of radioactive plutonium239 with a halflife of 24,000 years. How many grams will remain after (a) 12,000 years (b) 24,000 years (c) 96,000 years?
asked by b 
Physics
Suppose you have 100 g of radioactive plutonium239 with a halflife of 24,000 years. How many grams will remain after (a) 12,000 years (b) 24,000 years (c) 96,000 years?
asked by b 
Finance
Mr. Brown is in the 10% federal income tax bracket and wants to invest $8,000 in interestearning assets. Mr. Black is in the 35% bracket and wants to invest $15,000. The current rate on a typical highquality taxexempt municipal bond is 5% and on a
asked by angela 
santaluces
m
asked by Lexi 
Chem I
Ammonia is composed of H and N in a ratio of 9.33g N to 2.00g H. If 4.56g N combine completely with H to form ammonia, how many grams of ammonia would be formed? How do you calculate this?
asked by greg 
Physics(Please help, thanks)
An experiment was done where a tiny steel ball was measured with a micrometer. I know I already posted a question about this before and was given a respond but after trying to fix my answers I am still lost. If someone could please review my results and
asked by Hannah 
math
how to count how long of $5000 at 7% interest compounded for the investment to increase to 10000? it will be awesome if you can put the way
asked by catherine 
Physics
A boy sledding down a hill accelerates at 1.25 m/s2. If he started from rest, in what distance would he reach a speed of 5.00 m/s?
asked by Dakota 
Physics
An elevator is moving upward at 0.90 m/s when it experiences an acceleration 0.40 m/s2 downward, over a distance of 0.64 m. What will its final velocity be?
asked by Dakota 
math
Two trains are traveling the same direction, train a is going 60 mph and train b is going 70 mph, after one hour how long will it take train a to reach the point train b was at the hour marker.
asked by kyle 
Math
bill and amy want to ride their bikes from thier neighborhood to school which is 14.4 kilometers away. It takes Amy 40 minutes to arrive at school. Bill arrives 20 minutes after Amy. How much faster is Amy's average speed fro the entire trip?
asked by Kim 
Science
A 10 lb. frozen boneless roast needs to be thawed and baked to a temperature of 200 degrees F. The storage freezer maintains a temperature of 10 degrees F. Pork changes from solid to a thawed state at 30 degrees F and has the following properties: Heat
asked by Sejul 
Physics(Please check)
What is the difference between the measured values of 1.05m and 1.050m? What factor of a measurement tool determines the sig figs of a measured value? The two values are different because of their sig figs, the first has 3 and the other has 4. I think that
asked by Hannah 
Informal Logic
"I bought a pair of shoes from that store that immediately fell apart. Their shoes are no good" may commit which fallacy?
asked by Jocelyn 
physics
As soon as a traffic light turns green, a car speeds up from rest to 57.0 mi/h with constant acceleration 8.00 mi/h/s. In the adjoining bike lane, a cyclist speeds up from rest to 21.0 mi/h with constant acceleration 12.50 mi/h/s. Each vehicle maintains
asked by Anonymous 
Physics
A worker drops a wrench from the top of a tower 95.1 m tall. What is the velocity when the wrench strikes the ground?
asked by Dak 
algebra
find the functions f and g so that f of g =H. H(x)=(6x+9)^4 please show work so i understand this better. thank you
asked by alli 
Science
Explain how a parachutist's loss of momentum on landing is consistent with the principle of conservation of momentum?
asked by Mariam 
Calculus
Please help find the rational roots of f(x)=4x^4  3x^3 + 2x^2 +x  3 another is f(x)=3x^3  2x^2 + x  1 I tried but still confuse please help really really need help Thank you very much!
asked by Heather 
Film and Literature
Most see film as entertainment, but what about literature? And, what does a study of these involve? On what do you base this idea?
asked by Cookie 
physics
A person travels by car from one city to another with diﬀerent constant speeds between pair of cities. She drives for 31.5 min at 89.6 km/h, 11.8 min at 101.8 km/h, and 58.5 min at 36.4 km/h, and spends 24.8 min eating lunch and buying gas. Find the
asked by thomas 
physics
A projectile is shot at 35° to the horizontal and lands 12 s later at the same elevation. (a) What is the projectile's initial speed? (b) What is its maximum altitude?
asked by mitch 
algebra
find the domain of the composite function f of g. f(x)=x^2+9;g(x)=ãx7
asked by alli 
COLLEGE ALG
use the transformations to identify the graph of the function. then determine its domain, range, and horizontal asymptote. f(x)=4+3^X/3
asked by STUMPED 
algebra
change the logarithmic expression to an equivalent expression involving an exponent. 4^16=x log (base4)16=x is it x=e^2?
asked by alli 
chemistry
A 12.8 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 21.3 g. What was the mass of iron in the sample of ore? Answer in units of g
asked by Emily 
physics
find the mass of a balloon filled with helium if its volume is .25 m cubed the density of the helium is .178
asked by Ashley 
applied skills for human service
1.How does a quality clinical interview differ from a casual "helping" conversation?
asked by vernetta 
Physics
A boy sledding down a hill accelerates at 1.25 m/s2. If he started from rest, in what distance would he reach a speed of 5.00 m/s?
asked by Dak 
Physics
An elevator is moving upward at 0.90 m/s when it experiences an acceleration 0.40 m/s2 downward, over a distance of 0.64 m. What will its final velocity be?
asked by Dakota 
POl
An inactive substance or simulated medical procedure is called a
asked by Nikki 
math
change the exponential expression to an equivalent expression involving a logarithm. 8.8=7^x please show work
asked by help! 
physics
An elevator is moving upward at 1.20 m/s when it experiences an acceleration 0.25 m/s2 downward, over a distance of 0.71 m. What will its final velocity be?
asked by perry