Questions Asked on
April 19, 2013

Math ASAP please
1. Write a function rule for finding the amount of daily pay, p, in the following situation: A bus driver gets paid $100 each day plus $0.20 per kilometer, k. (1 point) 100 = 0.20 × k p = 0.20 × 100 × k p = 0.20k + 100 0.20k = 100 + p 4. Write a
asked by Delilah 
Chemistry  radioactivity
Hello Dr.Bob. Could you check my work please? I'm not sure if I'm right in how I solved this problem. Which of the following nuclides are most likely to decay via beta decay? A) I131 B) Pb206 C) F18 D) Zr90 E) Ar40 I know that nuclides undergo beta
asked by Constantine 
chemistry
If a solution containing 34.576 g of mercury(II) perchlorate is allowed to react completely with a solution containing 10.872 g of sodium sulfate, how many grams of solid precipitate will be formed?
asked by lee 
chemistry
Balance the following redox reaction by inserting the appropriate coefficients. H^+ +CrO4^2 +NO 2^ =Cr^3+ +H2O+NO3^
asked by lee 
algebra
Charlene made the sketch below in order to find the height x of a pole. She positioned a mirror on the ground so that she could see the reflection of the top of the pole. Her height, her distance from the mirror, and her line of sight to the mirror
asked by Anonymous 
chemistry
Baking soda is sodium bicarbonate, NaHCO3, and vinegar is primarily acetic acid, HC2H3O2. When baking soda is added to vinegar, the resulting reaction produces a tremendous amount of gas, as shown in this video. Complete this equation for the reaction of
asked by lee 
physics
The period of the musical node E0 is 4.85 × 102 seconds. What is the frequency of this note?
asked by Amber 
STATISTICS
the percentage rates of home ownership for 8 randomly selected states are listed below. Estimate the population variance and standard deviation for the percentage rate of home ownership with 99% confidence. 66.0 75.8 70.9 73.9 63.4 68.5 73.3 65.9
asked by Paula 
grammar
The song You Are My Sunshine always cheers me up. (1 point)
asked by Carlie 
chemistry
Write the net ionic equation (including phases) that corresponds to Fe(ClO4)2(aq)+Na2S(aq)=FeS(s)+2NaClO4(aq)
asked by lee 
History
4. What Reagan policy resulted in an increase in the federal budget deficit? *supplyside economics deregulation increased defense spending increased spending on social programs Thank You.
asked by James 
Chemistry
Find the pH of each mixture of acids 1) 0.115M in HBr + 0.125M in HCHO2 2) 0.050M in acetic acid + 0.050M in hydrocyanic acid
asked by pH of mixture acids 
Math Help?! 7th grade.
1. Determine which ordered pair is a solution of y = x*2–2. (5, 21), (–5, 24), (–1, –1), (–2, 6) 2. Without graphing, tell whether the line containing (6, –3) and (0, –8) is horizontal, vertical, or neither.
asked by Katerina 
math
A steel tube has an outside diameter of 15 cm, an inside diameter of 13 cm,and is 3.7 m long. What is the volume of the steel contained in the tube in cubic cm is?
asked by danny 
calculus (gr 12)
The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3 , where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c)
asked by PLEASE HELP ME! 
Chemistry
What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M CH3CO2H with 25.00 mL of 0.030 M CH3CO2Na? Assume that the volume of the solutions are additive and that a = 1.8 × 105 for CH3CO2H.
asked by Veronica 
Life orientation
Suggest 5 recommendation on how to address the environmental problems within your community or any other community within south Africa and globally.
asked by Pinky 
St
A manufacturer is interested in determining whether it can claim that the boxes of detergent it sells contain, on average, more than 500 grams of detergent. The firm selects a random sample of 100 boxes and records the amount of detergent (in grams) in
asked by AV 
STATISTICS
A random sample of stock prices per share (in dollars) is shown. Find the 90% confidence interval for the variance and standard deviation for the prices. Assume the variable is normally distributed.
asked by Paula 
science
suppose you are standing on a sidewalk . describe your motion relative to the car and the plane
asked by jorge 
physics
Suppose you walk accross a room of length 9 metres with the velocity of one and a half Km per hour. Express this velocity in m/s and find the time you will take to.move accross the room
asked by Suhani 
Mechanics:Statics
A man weighs 900N on the surface of the earth. Compare his weight in an airplane flying at an elevation of 9000m. Note that the radius of Earth is 6378km.
asked by Marc 
chem
A hydrogenoxygen fuel cell operates on the simple reaction given below. H2(g) + 1/2 O2(g) H2O(l) If the cell is designed to produce 1.8 A of current, and if the hydrogen is contained in a 2.9 L tank at 200. atm pressure at 25°C, how long can the fuel
asked by sarah 
Math
Find the total surface area of a closed cylinder having a diameter of 1.000 m and 15.000 mm and a length of 12.000 m and 55.000 mm. (Round the answer to 3 decimal places) 1 m = 1000 mm Total surface area= pi*D*h+2*(0.7854*D^2)
asked by Danny 
Chemistry
The of hydroxylamine, , is . A buffer solution is prepared by mixing 120 of a 0.34 hydroxylamine solution with 60 of a 0.25 solution.Solve for the PH
asked by Veronica 
physics
A plane is heading south with a velocity of 150 kilometers/hour. It experiences a tailwind with a velocity of 20 kilometers/hour. Find the resultant velocity of the plane
asked by kiandra 
physics
A 1400 kg car traveling at 15.5 m/s to the south collides with a 4100 kg truck that is initially at rest at a stoplight. The car and truck stick together and move together after the collision. What is the ﬁnal velocity of the twovehicle mass?
asked by Anonymous 
precalculus
the value of a particular investment follows a pattern of exponential growth. In the year 2000, you invested money in a money market account. The value of your investment t years after 2000 is given by the exponential growth model A= 6200e^(0.018(t)). When
asked by Gage 
precalculus
The function A=A0e^(0.0099x) models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 600 pounds of the material are initially put into the
asked by Gage 
physics
A proton travels with a speed of 3.39×106 m/s at an angle of 56.8 ◦ with a magnetic ﬁeld of 0.305 T pointed in the y direction. The charge of proton is 1.60218 × 10−19 C. What is the magnitude of the magnetic force on the proton? Answer in units of
asked by Anonymous 
Chemsitry
Nitrogen dioxide, a pollutant in the atmosphere, can combine with water to from nitric acid. One of the possible reactions is shown below. Calculate ∆G0 and Kp for this reaction at 25oC and comment of on the spontaneity of the reaction (MUST plot the
asked by Yasemine 
chemistry
To what volume should 100ml of any weak acid (HA) with a concentration of 0.2M be diluted to double the percentage ionization?
asked by veronica 
chemistry
How many mL of 0.100M HCl are needed to neutralize 49.0mL of 0.104M Ba(OH)2 solution?
asked by Rochele 
physics
Two charges separated by a distance of 1 m exert a 1.0N force on each other. If the changes are pulled to a 3m separation distance, the force on each charge will be
asked by Ashlee 
statistics
A study found that citizens spend on average $1950 per year on groceries with a standard deviation of $100. Assume that the variable is normally distributed. 5. Identify the population mean. 6. Identify the population standard deviation. 7. Find the
asked by Cam 
chemistry
what is the change in temperature if 24g of water at 50 degrees C absorbs 985j of heat energy
asked by jeremy 
Western Civilization
need a good simple to understand resource to explain why the early 20th Century experienced a surge of changing role of art in society. Will need to define the modern art movement and give examples of individuals, the type of art they created and how they
asked by BL 
statistics
The sample mean for a recent introductory psychology test was 78, and the sample variance was 9. If a student received a score of 82, what was this student’s zscore?
asked by jenn 
5th grade math
One patern called for 2/3 of a yard of lace, and another pattern called for 5/9 of a yard of lace. In simplest form, how much more lace did the first pattern call for than the second?
asked by Anonymous 
Chemistry
Calculate the [H+] for: black coffee with a pH of 6.9 (Enter your answer as follows: 1.0E2 for 0.010)
asked by B 
Grammar (Ms. Sue)
Complete each sentence, using a nominative pronoun. Identify how the pronoun is used in the sentence. 1). Yesterday, my little sister Jessica and(?) played hopscotch on the sidewalk. 2). It was (?) who drew the hopscotch board with chalk. 3). (?) collected
asked by Anonymous 
Chemistry
A 17.6ml sample of a monoprotic acid is titrated with 0.212M NaOH. If 69.2ml of base is required to reach the equivalence point, what is the concentration of the acid?
asked by Chloe 
GEOOOOMETRY!!!!!....Angled Perimeter
ABCD is a quadrilateral with ∠ADC=∠ACD, ∠ACB=∠ABC and CD=7. If triangles ADC and ABC have perimeter 51 and 59, respectively, what is the value of BC?
asked by HELP ME...uRGENT! 
math
If you roll a number cube 36 times, how many times do you expect to roll an even number?
asked by paragonnova 
Science
Which of the following is true about an object that floats in water? (1 point) The object is less dense than frozen water. The mass of the object is less than that of water. The density of the object is less than that of water. The volume of the water is
asked by William 
chemistry
two tables containing electron impact mass spectra data are shown. select the molecule that corresponds to the appropriate spectrum A) m/z: 29 57 86 B) m/z: 43 71 86 options for both 3methyl2butanone, 3pentanone, acetone, benzene
asked by maura 
Chemistry
Determine how many milliliters of 0.370 M HClO4 will be required to neutralize 58.99 g Ca(OH)2 according to the reaction: 2HC1O4+Ca(OH)2>CaC1O4)2+2H2O How would I set this up?
asked by B 
Math Geometery
Is it possible for two rectangles or squares to have the same area, but only if they have the same perimeter??
asked by Tamara 
Chemistry
Determine how many milliliters of 0.370 M HClO4 will be required to neutralize 58.99 g Ca(OH)2 according to the reaction: 2HC1O4+Ca(OH)2>CaC1O4)2+2H2O How would I set this up?
asked by A little Help 
life orientation
give five ways in which the human or environmental problem impacts on the community
asked by Anonymous 
Life orientation
In 1015 lines critically discuss 5 ways in which the human or environmental problem impacts on the community.provide relevant sourses to support your claim
asked by Dikeledi 
concept of heatlth
The Ortho Evra contraceptive skin patch can be worn on any of the following places, EXCEPT the
asked by Anonymous 
math
a life insurance agent is to be paid a commission according to the following scheme : 1000$ in year 1, half the year 1 amount in year 2, half the year 2 amount in year 3, etc. what is the total of the all amounts received by the agent in the first 5 years
asked by Anonymous 
Math
I really need help please!! Karen, Gavin, Nasra, and Ali each have a deck of cards. Each student randomly draws a card from the deck. Find the probability of each event. a) each student draws a club. b) Karen draws a red card, Gavin draws a king, Nasra
asked by Cherie 
Grammar (Ms. Sue)
Complete each sentence below, using an objective pronoun. Then, tell how each pronoun is used in the sentence. 1). Skipping rope is a good form of exercise. Some athletes use (?) in their jumping. 2). My sister loves to jump rope. It gives (?) a chance to
asked by Anonymous 
Science speed help
Explain how heat is transferred between a hot and a cold object by conduction — for example, a warm foot on a cold floor.
asked by Mr.Brain 
Math
The formula y=1+1.4ln(x+1) models the average number of freethrows a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how
asked by Gage 
Algebra
Given the following piecewise function f(x)= {x+1 for x < 0 {1 for 0 ≤ x ≤ 3 {2x for x > 3 a) Find the domain b) Find the range c) Find the intercepts d) Is f continuous on its domain? If not, state where f is discontinuous. e) Graph the function
asked by Ashley 
algebra
how many pieces of wood each 7 1/2 inches long can be cut from a board that is 45 inches long?
asked by milton 
Statics
Two identical spheres of radius 80mm and mass 2 kg on the surface of the earth are placed in contact. Find the gravitational attraction between them.
asked by Woz 
SIcene
Three examples of physical change are ____. (1 point) boiling water, a nail rusting, and a melting candle a pond freezing, breaking glass, and a burning candle melting ice, mowing the lawn, and carving a statue applying lipstick, making lemonade, and
asked by Reggie 
Mrs.Sue Please help me
Hi mrs. sue! I cant figure out the answer please help! Which of the following explains how water causes rocks to weather? (1 point) Water can melt rock material. Water freezes in the cracks and expands, causing breaks. Water reacts with the rock and
asked by Katter 
Science
NEED HELP PLEASE THANK U U R NICE :) Describe how burning fossil fuels has created an imbalance in the carbon cycle. Most people drive cars and heat their homes with petroleum, coal, or natural gas. Why is it important to find alternatives for these
asked by Cindy 
Chemistry
Determine how many milliliters of 0.370 M HClO4 will be required to neutralize 58.99 g Ca(OH)2 according to the reaction: 2HC1O4+Ca(OH)2>CaC1O4)2+2H2O How would I set this up?
asked by B 
PLEASE HELP! college algebra
Given the following piecewise function f(x)= {x+1 for x < 0 {1 for 0 ≤ x ≤ 3 {2x for x > 3 a) Find the domain b) Find the range c) Find the intercepts d) Is f continuous on its domain? If not, state where f is discontinuous. e) Graph the function
asked by Anonymous 
Algebra 1
Rena has to pay the first $100 of her medical expenses each year before she qualifies for her insurance company to begin paying. After paying the $100 "deductible," her insurance company will pay 80% of her medical expenses. This year, her total medical
asked by Katie 
Math Geometery
Is this true? It is possible for two rectangles to have the same area without having the same perimeter??
asked by Tamara 
arithmetic
a flower floats on the surface of lake water. its level above the lake surface is 5.5 cm. then a sudden gust of wind comes and flower sinks 10 cm far from its original point, what is the depth of lake at the point where the flower was floating
asked by shield 
Science
An electromagnet is ____. A. a permanent magnet B. made with bar magnets C. able to attract all metal substances D. only operating when the current is on I think it is D..?
asked by Cassie 
chemistry
Predict the first order splitting patterns of the indicated proton in the following molecules: CH3CH2CH3 (the H in CH2 is selected) a) quintet b) quartet of quartets c)septet
asked by maura 
Life Orientation
describe the lifestyle behaviour of the youth who abuse illegal and legal drugs and discuss how this lifestyle behaviour impacts the teenager.
asked by Kelly 
Isoceles Angle Bisector
Triangle ABC is isosceles with AB=AC. D is a point on BC such that AD bisects ∠BAC. What is the measure of ∠ADB (in degrees)?
asked by HELP ME...uRGENT!...PLEASE 
math
Evaluate the following limits: (I) Lim. (x+1)/[1sqrt(4+3x)] X >1 (II) Lim. (23x5x^2)/(1+2x^2) X >Infinite
asked by gibbs 
chemistry
A reaction produced 0.40 mmol of H in a buffered solution which contained 300ml of 0.06M succinate buffer, pH is 4. What was the pH of the medium after the reaction was completed? The pKa of succinate buffer is 4.21
asked by veronica 
physics
Consider the observable M that corresponds to a measurement in the sign basis where the measurement value is 3 if the outcome is + and −2 if the outcome is −. Write M in the standard basis. If M is the Hamiltonian acting on a qubit which is in the
asked by s 
Social Studies.. PLEASE HELP!! :(
How were the workers compensated for their labor in the North and South during 1800 to 1860?
asked by Omario 
Algebra
Simplify the expression 0.2y3+0.3y3+0.1y3 use integers or decimals for any numbers in the expression.
asked by Diane 
life orientation
give five ways in which the human or environmental problem impacts on the community
asked by Anonymous 
managerial math
a gift of $3000 a grew $7,000,000 in 200 years. At what rate compounded anually would this growth occur
asked by jameel 
Science
Which of the following is NOT a possible sign of a chemical change? (1 point) a change in state a change in color the release of a gas the release of energy
asked by QUESTION! 
Chemistry
What is the (a) molality, (b) freezing point, and (c) boiling point of a solution containing 2.29 g napthalene (C10H8) in 44.6 g of benzene (C6H6)?
asked by C 
physics
A gasoline engine absorbs 20990 J heat and performs 4166 J mechanical work in each cycle. Find the amount of heat expelled in each cycle. Answer in units of J
asked by Anonymous 
social
__________ experienced the Great Depression
asked by Anonymous 
Math
Find the values of x when, x raised to the power root x = x raised to the power x whole under root.
asked by Shrabasti Saha 
Life Orientation
describe the lifestyle behaviour of the youth who abuse illegal and legal drugs and discuss how this lifestyle behaviour impacts the teenager.
asked by Kelly 
math
Evaluate the following limits: (I) Lim. (x+1)/[1sqrt(4+3x)] X >1 (II) Lim. (23x5x^2)/(1+2x^2) X >Infinite
asked by gibbs 
Trigonometry
Let O be the origin and P be a point in the fourth quadrant on the xy plane. Let 270
asked by Tony 
geometry!!!.....Alice's Concession Choices
Alice is at a country fair with 4 concession stands. She cannot decide in which order to visit each concession stand. Assuming she visits each stand once and only once, how many different ways are there to visit all the concession stands
asked by HELP ME...uRGENT!...PLEASE 
Economics(Please check, thank you)
Is leisure time considered an inferior good when the substitution effect dominates? I think that the answer is yes because if you are willing to work more hours in order to make more money than you do not value leisure time that much. Is this correct?
asked by Hannah 
Mechanics:Statics
Two 10 kg spheres are placed 500mm apart. Express the gravitational attraction acting on one of the spheres as a percentage to its weight on earth.
asked by Marc 
German
Decide if the following sentence is grammatically CORRECT or INCORRECT. Ich habe meinem Freund einen Film geholt. correct incorrect
asked by bubbie 
Physics
6. When a mass is attached to a spring, the period of oscillation is approximately 2.0 seconds. When the mass attached to the spring is doubled, the period of oscillation is most nearly a) 0.5 s b) 1.0 s c) 1.4 s d) 2.0 s e) 2.8 s
asked by Alex 
Chemistry  electron configuration
Hello Dr.Bob. Could you please take a look at the following question? I know the correct answer for it, but I'm not sure how to go about solving it. Which ground state electronic configuration will most readily ionize to a 2 + cation? A)
asked by Constantine 
ScienceChemistry
Methyl amine is a weak base with a pKb=3.35. Consider the titration of 30.0mL of .030M of Methyl amine with 0.025M HCl. a) Write the appropriate equation for the reaction. b) Calculate K for the reaction in part (a). c) Calculate pH of the initial methyl
asked by Joe 
Algebra
For the given equation, list the intercepts and test for symmetry. 2+y121=0 Show tests algebraically
asked by Emily 
math
what is 1000 [?] 81 [?] 190 = 10
asked by rica 
Geometry
One pizza has a diameter twice the diameter of a smaller pizza. what is the rato of the area larger pizza to the area of the smaller pizza?
asked by Vanessa 
Statistics
how can I decide to reject or fail to reject the following null hypothesis? let a= 0.05,data; p=0.69, n=32, test statistic z= 0.09095 H(0);p=0.68 H(1)p>0.68
asked by Carl 
Math
Calculate the mass of water in kg and tonne contained in a rectangular tank with the following dimensions: width of 3.2000 metres height of 2.000 metres length of 8.000 metres. (Round answers to 3 decimal places) Answers: l= 8.000 1 tonne= 1000 kg w= 3.200
asked by Danny 
PHI103:
You should read this book. Everybody likes it so it must be good" may commit which fallacy?
asked by Donna 
english
Which of the following sentences is correctly punctuated? A. The company held it's annual party at the convention center. B. Mr. Jones visited the YMCA before becoming a member. C. The local police asked the F.B.I. to assist with the case. D. Mary
asked by Anonymous 
physics
Explain how heat is transferred between a hot and a cold object by conduction — for example, a warm foot on a cold floor
asked by Boobear 
math
A child’s kite is on top of a straight pine tree. A ladder is placed against the tree and touches the kite. The ladder forms a 45degree angle with the flat ground. The base of the tree is 9 feet away from the base of the ladder. With only this
asked by Tom 
college algebra
1.write the formula for the function that has degree 3 and zeros of 1,2 and 5 with a lead coefficient of 1? (leave answer in factored form) f(x)= 2. Write the formula for the function that has degree of 4 and zeros of 4, 3(multiplicity 2) and 4 with a
asked by cherish 
bege101
State the distinguishing features of Literature as a mode of language use by citing examples
asked by Anonymous 
Algebra 2 variables
Find the values of the variables. [12 w^2] = [2k 81] [2f 3] [4 3] Show your work?
asked by Ana 
Uof Phoenix
6x=12
asked by kathy 
math
a two digit number * 7 is multipule by three digit number * * 3 the digit in the place are not neccessararliy the same which of the following can be the product of the two numbers ?
asked by vaidehi 
math
at a shopkeper advertise buy two get one free what is the discount percent?
asked by vaidehi 
math
if a+b multiply c=7then c=?
asked by vaidehi 
math
in the given equation find the value of variable m 17m3/2=5m+14
asked by vaidehi 
physics
A rubber chicken of mass 45.0 kg is pulled along a horizontal surface by a rope that makes an angle of 32.0 with the horizontal. If the coefficient of friction is 0.113 and the tension in the rope is 95.0 N, what is the acceleration of the object?
asked by LMC 
Numbers
What is the smallest possible natural number x>5 , that leaves a remainder of 5 whenever it is divided by 14 , 8 or 77
asked by Tony 
Math
Find the values of x when, x raised to the power root x = x raised to the power x whole under root.
asked by Watson 
Sigma over Phi
Let σ(n) be the sum of the positive divisors of an integer n and ϕ(n) be the number of positive integers smaller than n that are coprime to n. If p is a prime number, what is the maximum value σ(p)/ϕ(p)?
asked by HELP ME...uRGENT! 
P&P
Peter is walking from the library to school at a rate of 40 meters per minute. At the same time, Paul is walking from school to the library. After they meet each other, Peter still needs 6 minutes to get to school, while Paul is 200 meters away from the
asked by Tony 
math
Evaluate the following limits: (I) Lim. (x+1)/[1sqrt(4+3x)] X >1 (II) Lim. (23x5x^2)/(1+2x^2) X >Infinite
asked by gibbs 
Algebra
Let S be the sum of all values of r such that the coefficient of the x^2 term in the expansion of (x−3)(rx+2)^3 is −6 . If S=a/b, where a and b are coprime positive integers, what is the value of a+b
asked by Tony 
Math
What is the probability of rolling an even number greater than 2 on a fair number cube? in simplest form
asked by paragonnova 
Math
Find the sum of all primes q
asked by Tony 
physics
Suppose we ran m steps of Grover's algorithm on some function f (which has one marked element y) and the resulting superposition was exactly y⟩. If we run for m+1 additional steps (i.e. total of 2m+1 steps from the initial state), what is the resulting
asked by s 
life orientation
what are the impact of teenage pregnancy in the community.
asked by phindile 
math
Evaluate the following limits: (I) Lim. (x+1)/[1sqrt(4+3x)] X >1 (II) Lim. (23x5x^2)/(1+2x^2) X >Infinite
asked by gibbs 
civics
six inter communal conflicts in nigeria
asked by jolomi 
Life orientation
In 1015 lines whaj are 5 ways in which the human or environment problem impact on the community?
asked by Lebogang 
Life orientation
How to address the teenage pregnancy?
asked by Lebogang 
Math
The value of a computer bought in 1998 decreases as time passes. Two years after the computer was bought, it was worth $2,600. Five years after it was bought, it was worth $2,000. If the relationship between number of years past 1998 and value of the
asked by I REEEEEALLYYYYY NEED HELP!!! 
Please help me
Suppose a customer brings a gold bracelet to a jeweler and asks for it to be changed into a gold ring. Which of the following is true? (1 point) The physical property of color will be changed. The bracelet will go through a chemical change. The composition
asked by Tamer 
Algebra 1
1. How many solutions does the linear system have ? 3x  y = 4 3x + 11y = 2 2. A line passes through the points (6,4) and (5,3). What is the equation of the line in pointslope form ? a. x  6 = 7(y4) b. y  4 = 7(x6) c. y + 6 = 7(x+4) d. y  6 =
asked by Shevani, help me 
xyz
How large a sample will we need to be able to assert with probability 0. 90 that the sample mean will not differ from the true mean by more then 2.5 units? Assume that it is known from past experience that σ =18
asked by april000001 
science
Is the speed of light decreasing? I've heard It is.
asked by Love 
accounting
Customer relations are usually part of:
asked by angie 
Algebra
Find the specified value of the following functions and state the domain of each one. f(x)=x11;g(x)=7x^2 (a) (f+g)(5)=
asked by Hannah 
Life Orientation
Name two community organizations that sre involved in supporting or giving redress to environmental factor
asked by Teddy Sokhela 
math
If the mean of a certain population is 180 and the standard deviation is 38, what x value corresponds to the zscore of 0.27.
asked by shanoia 
math
what is the approximate diameter of a 31 in basketball?
asked by comfort 
Statistics
how can I determine weather to reject or fail to reject the following nul hypothosis: let a= o.01, data: s= 3.1, n=55 and H(0) st dev 2.8 and H(1)< 2.8
asked by Carl 
English urgent please:)
I wrote the thesis but wat do i make the conclusion be...:( This is my thesis: Aldous Huxley's Brave NEw World and Emily Bronte's, "wuthring heights" describe a major struggle of being an individual again society . in Aldous Huxley's novel "Brave New
asked by Deepa 
science
find out the volume of 0.05M HCL requred, in ml,in order to neutralise 0.2M Naoh of 40 ml.
asked by nithya 
chemistry
A gas with a volume of 4.20 L at a pressure of 0.63 atm is allowed to expand until the volume raises to 95 L. What is the new pressure (in atm)?
asked by nancy 
chemistry
A gas with a volume of 4.20 L at a pressure of 0.63 atm is allowed to expand until the volume raises to 95 L. What is the new pressure (in atm)?
asked by nancy 
physics
a .300 kg piece of metal is heated to 88 degrees celsius and placed in a copper calorimeter with a mass .150 kg which contains .500kg which contains .500 L of water that are both initially at 12.6 degrees celcius. Over short period of time the mixture
asked by Franky 
Social Studies 10
What was the future BC called in the early 1800s? What challenges did George Simpson encounter when he became governor of the HBC in 1826? Compare American and British attitudes toward the Oregon Territory (Similarities, Differences...)
asked by Myu 
physics
You are in a car going 70 km/h and another car passes you going in the opposite direction at 70 km/h. Do both cars have the same velocity? Explain.
asked by Boobear 
Probability
If 5 juniors and 4 seniors apply for a job at a school which has 2 openings, what is the probability that 1 junior and 1 senior will be randomly chosen for the job.
asked by Jane 
physics
How does friction slow down a moving object — for example, a soccer ball?
asked by Boobear 
Social Studies 10
What was the future BC called in the early 1800s? What challenges did George Simpson encounter when he became governor of the HBC in 1826? Compare American and British attitudes toward the Oregon Territory (Similarities, Differences...)
asked by Myu 
biochemistry
What is the number of ATP molecules produced by the beta oxidation of eicosanoic acid?
asked by Anonymous 
algerbra
solve the equation step by step list each step along with the property you used during that step 5*1*11*4
asked by amanda 
Intrest?
1. Find the total amout if you deposit $600 at a rate of 5% for 2 years compounded anually. 2. Find the total amout if you deposit $800 at a rate of 8% for 4 years compounded anually.
asked by Katie 
Math
Ms Perez owns 2 properties in different towns. The 1st property is assessed at $125,000 and has a tax rate of $6.35 per 1000 dollars. The 2nd property has the same assessed value, but is taxed at the rate of $0.00587 per dollar. Derive the solution to the
asked by Jane 
sociology
3. If all of a company’s Filipino employees sit together for lunch, sociologists would say they have formed their own __________. (Points : 1) diversified group outgroup ingroup ethic group
asked by Anonymous 
Algebra 2
Find the sum [1 4] [0 0] [0 3] + [0 0] A  [1 4] [0 3] B  undefined C  [0 0] [0 0] D  [1 0] [4 3]
asked by Ana 
Find the avg rate
Find the average rate of change f(x)=x^33x+9 (a) from 4 to 3 (b) from 2 to 5 (c) from 5 to 9
asked by Emily 
Algebra
Simplify (√7 + 8)(√63)
asked by Kassidy 
math
the length of the base of a triangle is smaller than its base.the area of triangle is 1/2x^2+2x+3/2.what is he length of he base
asked by anju 
Science
A period of inactivity in the summer months due to the hot, dry weather is called _______ and is a(n) _______ adaptation.
asked by Bella 
Algebra
Evaluate the determinant of the matrix. [4 5 6 0 4 4 2 5 4]
asked by Ana 
Maths
There are two complex roots to the quadratic equation z^2 +(1−16i)z+(−80+10i)=0 . What is the value of the larger of the two norms of the two roots?
asked by Tony 
Maths
Find the values of x when, x raised to the power root x = x raised to the power x whole under root.
asked by Bryan 
Ratios
If the ratio of x+y to x−y is 279/262 , then the ratio of y to x can be written as a/b where a and b are coprime positive integers. Find a+b
asked by Tony 
real estate finance
The annual insurance premium on Maria Snyder's house is $2,074 and the annual property tax is $1,403. If her monthly principal and interest payment is $1,603, find the adjusted monthly payment including principal, interest, taxes, and insurance (PITI).
asked by tmouery 
Inequality Sum
x,y and z are positive integers such that x
asked by HELP ME...uRGENT! 
Trigonometry
Given that tan84=T , how many solutions are there to tanx=T in the domain [0,1000] ?
asked by Tony 
Animal. Homework
Do male dogs go through heat? My girlfriend asked me to look it up for her school, but neither of us are finding it.
asked by boi.gurl.luvr 
Maths
If the quadratic kx^2−14x+1 is a perfect square polynomial, what is the value of k
asked by A 
Algebra
Suppose f(x) is some polynomial such that x−45 is a factor of f(x) . What value of x must be a root of f(x)=0 ?
asked by Andy 
English
As I looked at that photograph
asked by Anonymous 
physics
Consider the Hamiltonian H=Z⊗3 acting on 3 qubits. What is the ground energy of the system? (I.e. the lowest eigenvalue of H?) What is the dimension of the ground energy subspace? (I.e. multiplicity of that eigenvalue?) Which of the following correctly
asked by s 
SCIENCE???????/
a region has a geothermal gradient of 180 ˚C km^1.what type of metamorphism will occur at a pressure of 1.2×10^8 pa? answer the question by completing the sentence below. In these condition there would be ........??? metamorphism. I would appreciate if
asked by centya 
accounting
features of king code iii
asked by tinyiko 
Physics
The Frequency Of an Electromagnetic Wave Is 6x(10x16) What Is IT wavelength In air..?
asked by Anonymous 
life orientation
provide five ways in which you critically discuss how life style disease impact on the teenager
asked by mpho 
Math
Using a ruler to draw a square with a perimeter of 48ft, and using the scale 6ft=1/2in (Hint: to find the length of each side, divide 48ft by 4). How should this problem look?
asked by Tim 
Life orientation
How drugs can impacts on the community
asked by Njabulenhl 
Physics *Electrical Scientist* please help me!!!
* JJ Thompson * what was he credited for discovering the cathode ray tube? * How does his experiment relate to electrostatics? >>PLease help me!!!! :)
asked by Isis 
calculus
Evaluate each of the following. Show all your calculations. f'(3) if f(x) = x^4 − 3x
asked by PLEASE HELP ME! 
calculus (gr 12)
Evaluate each of the following. Show all your calculations. f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8
asked by PLEASE HELP 
calculus
Evaluate each of the following. Show all your calculations. f" (−3) if f(x) = 4x^3 − 3x^2 + 2x − 6
asked by I NEED HELP 
Grade 12 Calculus
Evaluate each of the following. Show all your calculations. f" (1/3) if f(x) = −2x^5 + 2x − 6
asked by PLEASE HELP ME! 
Chemistry
The structures of NO and NO2 possess similarity to free radicals. How are they similar in electronic terms?
asked by Matt 
Grade 12 Calculus
Evaluate each of the following. Show all your calculations. f" (0) if f(x) = 14x^2 + 3x − 6
asked by PLEASE HELP ME! 
Math
The volume of the triangular prism is 30 cubic units. How do I determine the area of the base in square units?
asked by Tricy 
Science
How to report an experiment of Specific heat of a liquid.
asked by Orison 
Science
1. Density is the relationship between ____. (1 point)
asked by MISS.SUE!!! Help please! 
algerba 2
the length of a rectangle is (x2)squared and the width is (5x+1) what is the perimeter of the rectangle
asked by maria 
social civics
Ambassador (a.) are most often recruited in the United States from the career diplomatic service (b.) have a legislation as their headquarters in a foreign country (c.) perform the same functions but have a higher rank than ministers
asked by CrazyGirl 
Math
ues the disruptive property to rewrite the expression. (d+8)6= Simplify you answer.
asked by Diane