Questions Asked on
February 21, 2016

science
which term describes the main process in the water cycle
asked by ginger 
Math PreCal (Exponential Functions)
A house was valued at $110,000 in the year 1985. The value appreciated to $145,000 by the year 2005. What was the annual growth rate between 1985 and 2005? Assume that the house value continues to grow by the same percentage. What did the value equal in
asked by Gio 
Calculus
A particle moves along the xaxis with velocity v(t) = sin(2t), with t measured in seconds and v(t) measured in feet per second. Find the total distance travelled by the particle from t = 0 to t = π seconds. Do I have to take the integral of the equation
asked by Henry 
algebra
Find the sum of the interior angles of a nonagon. (1 point) A. 140° B. 1,620° C. 1,260° D. 1,450 °
asked by Me.(; 
Calculus
Pumping stations deliver gasoline at the rate modeled by the function D, given by D(t)= 6t/(1+2t) with t measure in hours and and R(t) measured in gallons per hour. How much oil will the pumping stations deliver during the 3hour period from t = 0 to t =
asked by Henry 
Calculus
f(x) and g(x) are a differentiable function for all reals and h(x) = g[f(2x)]. The table below gives selected values for f(x), g(x), f '(x), and g '(x). Find the value of h '(1). (4 points) x 1 2 3 4 5 6 f(x) 0 3 2 1 2 0 g(x) 1 3 2 6 5 0 f '(x) 3 2 1 4 0 2
asked by Henry 
math
The volume of water in a resevoir decreases 21,000 cubic yards over a 3month period. What is the average change in volume per month?
asked by Nis 
Please help!!
The volume of water in a resevoir decreases 21,000 cubic yards over a 3month period. What is the average change in volume per month?
asked by Nis 
physics
A 4.00 kg block is pushed along the ceiling with a constant applied force of 85.0 N that acts at an angle of 55.0° with the horizontal, as in the figure below. The block accelerates to the right at 6.00 m/s2. Determine the coefficient of kinetic friction
asked by mark 
Physics
A stone is whirled at the end of a rope 30cm long,makes 10 complete revolution in 2 seconds.find (1)the angular velocity in radians per seconds.(2)the linear speed (3)the distance
asked by Abba 
Language Art's
1.)The speaker in "The road not taken" is a person who? (1 Point) A.)Is lost in the woods B.)Remembers making a decision C.)Is currently standing at a fork in the road D.)Likes to walk on a wellbeaten path
asked by #FreeGucci 
Math
if vectors a+2b and 5a4b are perpendicular to each other and a and b are unit vectors. Find the angle between a and b.
asked by Rabin 
SCIENCE PLZ HELP
when are tides in earths oceans the highest? during the moons waning gibbous phase during the moons waxing gibbous phase when the moon is at the right angle of the sun when the sun, Earth, and moon are in a line.
asked by K.CUndercoverNeedsHelpAndAlsoHelpsPeople 
Physics
A 10.0g marble slides to the left with a velocity of magnitude 0.400 m/s on the frictionless, horizontal surface of an icy New York sidewalk and has a headon, elastic collision with a larger 30.0g marble sliding to the right with a velocity of magnitude
asked by Anonymous 
Algebra
A projectile which is fired from the ground with a velocity of 960 ft/sec, at an angle of 30° above the ground, has a height at time t of h(t)=480t–16t2. Find the time when it hits the ground again.
asked by Anon 
Chemmistry
Use this percentage to calculate the mass of fluorine (in g) contained in 54.0 g of copper (II) fluoride.
asked by Sam 
math
The diagonal of a TV set is 26 inches long. Its length is 14 inches more than the height. Find the dimensions of the TV set.
asked by jake 
math
Ashley uses 1/4 package of raisins for fruit cake. She then uses 1/9 of the remainder for the muffins.What fraction of the package of raisins does she have left? My answer is 2/3. 4/41/4=3/4(remainder). then 3/4 x 1/9= 1/12 (muffins)then
asked by Valentina 
Art
True or false: Monet created the majority of his work in his own garden.
asked by Hyper Shadic 
LOGS
The decibel level of a sound is given by dB=10log(EE0), where E0=10−12wattsm2 and E is the intensity of the sound. (a) Find the intensity of a 80decibel sound. E= watts per square meter. (b) How many times more intense is the sound from (a) than a
asked by Sarah 
Life orientation
Identify three courses or study fields you are interested in following after grade 12 write them down in order of preference (3).Provide two reasons why you find this a suitable course for each (6)
asked by keletso 
Finance
Olympic Sports has two issues of debt outstanding. One is a 6% coupon bond with a face value of $35 million, a maturity of 10 years, and a yield to maturity of 7%. The coupons are paid annually. The other bond issue has a maturity of 15 years, with coupons
asked by Clint 
Art
Which of the following is NOT an element of impressionistic painting.
asked by Hyper Shadic 
statistics
state whether the quantity described is a parameter or a statistic and give the correct notation. Correlation between height and weight for players on the 2010 Brazil World Cup team, using data from all 23 players on the roster. thanks
asked by hana 
business
In calculating the bank discount when discounting an interestbearing note, which one of the following is not used in the calculation? A. Discount period B. Bank discount rate C. Principal proceeds B is my answer
asked by debbie 
civic education
Limitations to human rights not less than six.
asked by idris jemilat 
life orientation
Six practical actions that you can take to address human rights violation of xenophobia in your community ?
asked by Keyarah 
Chemistry
If the density of a gas is 1.2g/L at 745.torr and 20 Celsius, what is the molecular mass?
asked by Sam 
L.o
6 practical actions that i can do to address human right violation of xenophobia in my community.
asked by KUNENE S'PHE 
physics
A 4.00 kg block is pushed along the ceiling with a constant applied force of 85.0 N that acts at an angle of 55.0° with the horizontal, as in the figure below. The block accelerates to the right at 6.00 m/s2. Determine the coefficient of kinetic friction
asked by john 
geometry
12 foot board is leaning against a wall and makes a 77 degree angle with ground. How high does the board reach on the wall? I used Sin 77x 12 and got 11.692 but questions is round this to the nearest tenth of a foot.... Is it 11.7 feet? Thank you.
asked by sweet pea 
Chemistry
How many grams of NaNO2 must be added to 1 liter of 1.00 M HNO2 solution in order to prepare a buffer solution with pH = 4.14? pH = 3.14? My work: ka = pH(buffer ratio) 4.5 * 10^4 = 1.000*10^4.14 (x M of base/1.00 M of acid) x = 6.21 6.21 M = (6.21
asked by Maddy 
Life orientation
Identify any three causes of human trafficking in South Africa.
asked by Anonymous 
Science
If a cell undergoes mitosis every six hours, how many cells will there be in all after seven days?
asked by Anonymous 
math
Johnny Mac's Sporting Goods bought a baseball glove from Rawlings Sporting Goods for $66.00. They want to mark up the glove 70% on selling price. What should Johnny's sell the glove for? A. $113.22 B. $179.82 C. $246.42 D. $220.00 Help my answer is wrong I
asked by debbie 
physics
A box rests on the back of a truck. The coefficient of static friction between box and bed of the truck is 0.355. (a) When the truck accelerates forward, what force accelerates the box? the inertial force centripetal force the friction force gravity (b)
asked by john 
English (Check)
For each noun listed, write one sentence using the singular possessive form and another using the plural possessive form. 1. passenger Singular Possessive: The passenger's seat was uncomfortable during the entire flight. Plural Possessive: The passengers'
asked by Victoria 
physics
Three point charges, +6.5 μC, +1.8 μC, and −3.4 μC, lie along the xaxis at 0 cm, 1.7 cm, and 5.4 cm, respectively. What is the force exerted on q1 by the other two charges? (To the right is positive.) The Coulomb constant is 8.99 × 109 N · m2/C2.
asked by anonymous 
maths
alfie has some photographs printed.the cost is £2.50 for postage and 12 pence for each print. A File uses this formula for the total cost (C) in pence. C=250 + 12n n stands for number of photographs. The total cost for Alfie is £6.70. How many
asked by Thelma 
Modern World Studies  Check Answers  (Ms. Sue)
I will be proving my answers with the textbook "World Studies: Western Hemisphere" Which U.S region has the smallest states? A. West B. Midwest C. Northeast******(pg.250) D. South 2) Because of the nearly unbroken chains of cities that runs from Boston to
asked by Geek Girl 
math
The stopping distance d of a car after the brakes have been applied varies directly as the square of the speed r. If a car traveling 40 mph can stop in 100 ft, how fast can a car travel and still stop in 256 ft?
asked by tevita 
math
The weight W that a horizontal beam can support varies inversely as the length L of the beam. Suppose that a 4m beam can support 1000 kg. How many kilograms can a 17m beam support?
asked by louie 
maths
if the 8th term of an AP is 37 and the 5th term is 15 more than the 12th term. find the AP. hence find the sum of the first 15 terms of the AP.
asked by manisha 
4th grade math
please help!! I have no idea how to do these I am trying to help my son.. Find two mixed numbers so that the sum is 21 1/6 and the difference is 4 3/6?
asked by Rebecca 
Art
Which of the following elements was not visible in Constable's artwork.
asked by Hyper Shadic 
Life Orientation
Two (2) contemporary social issues in our community and their explanation
asked by Boitumelo 
Math Fractions
Warren read 1/6 of the pages of a book last Monday. Tuesday he read 2/5 of the remainder of the pages. Wednesday he read 1/3 of the remaining pages. He has 60 more pages left to read. How many pages does the book have?
asked by Carlos 
ELA
Story clever daughter 5. Why does the magistrate use a riddle to decide the case? Use two details to support your answer
asked by Kylie 
algebra
find payment necessary to amortize a 8% loan of $2000 compounded quarterly with 12 quarterly payments.
asked by Anonymous 
Calculus
Use Simpson's Rule with n=10 to estimate the arc length of the curve. Compare your answer with the value of the integral produced by your calculator. x = y + y^(1/2), 1 ≤ y ≤2
asked by Kaitlyn 
Chemistry
FB1 is a solution containing a mixture of potassium carbonate and sodium hydrogen carbonate . 25cm^3 of this mixture was to titrated against 0.250mol/dm^3 solution of HCL. In one titration using phenolphthalein as indicator, 10.00cm^3 of the acid was
asked by Diane 
math
The density function for a femur can be modeled as ρ(x)=80+πcos(πx)+3x grams per centimeter, −25≤x≤25. (a) Calculate the total mass of a femur. (b) Find the center of mass of a femur.
asked by ken 
physics
A bag of sugar weighs 3.00 lb on Earth. What would it weigh in newtons on the Moon, where the freefall acceleration is onesixth that on Earth? N Repeat for Jupiter, where g is 2.64 times that on Earth. N Find the mass of the bag of sugar in kilograms at
asked by lisa 
Survey Of Calc
The cost C (in dollars) for producing x units of an item is given by C=370+2.55sqrtX. find the marginal cost when the production level is X=400 units. My answer came out to 51/800, or .06375. I'm not sure if I did it correctly.
asked by John 
physics
A bag of sugar weighs 3.00 lb on Earth. What would it weigh in newtons on the Moon, where the freefall acceleration is onesixth that on Earth? N Repeat for Jupiter, where g is 2.64 times that on Earth. N Find the mass of the bag of sugar in kilograms at
asked by mary 
English (Check)
Read each of the following excerpts from Journal of the First Voyage to America. Write what each excerpt reveals about Christopher Columbus. 1. I went ashore, and found no habitation save a single house, and that without an occupant; we had no doubt that
asked by Victoria 
Algebra
A worker drops a hammer from a second story roof that is 10m above the ground. Choose the appropriate formula to use where t represents time in seconds after the hammer is dropped. h(t) = 16t2 +v0 (Initial Velocity) + h0 (Initial Height) or h(t) =
asked by Meena 
business
An invoice dated March 6 with terms of 1/10, EOM results in the end of the discount period on A. May 30. B. April 10. C. April 30. D. May 31. A is my answer
asked by debbie 
Math
find the derivative or f'(x) F(x)= √X+h  √x /h
asked by Nicki 
algebra or algebra1
A man invests 10,000 dollars in two accounts, the first yielding 4 percent annual interest and the second, 5 percent. If x dollars is invested in the first account, how much annual interest does the man earn on his investement
asked by sea 
Science
There is generally more life found in the sunlit part of the ocean closer to the continents than there is in the open sea farther from the continents. Therefore, the open sea is sometimes called the blue dessert. Why is this? Thanks.
asked by Geek Girl 
stats
A particular normal distribution has mean of 575 and standard deviation of 150. What X values form the boundaries for the middle 60% of the data? Round answers to two decimal places. Lower boundary: Blank 1 Upper Boundary: Blank 2
asked by chelsea 
Math
A farmer wants to construct a pen with 100 feet of fencing. The pen will be divided into two areas as shown below. Find the maximum dimensions of the big pen. All I have so far is that 3x+2y=100. I am not sure how to move forward.
asked by Natalie 
Genetics, HELP!!!
Planet X, a recently discovered planet, contains life forms that have doublestranded DNA as the genetic material. The DNA on Planet X is transcribed into RNA which is translated into protein. Planet X DNA contains only two bases: guanine (G) and cytosine
asked by Zack 
physics
a uniform beam 6.0m long and weighing 4kg on support of p and q placed let and right 1.0m from each end of the beam
asked by joseph 
Math
You need to borrow $20,000 to buy a car. You can only afford to make monthly payments of $200. The bank offers 3 choices: 3year loan at 5%, 4year loan at 6%, and a 5year loan at 7%. a) What’s the monthly payment for each loan? b) Which loan is best
asked by Emilio 
Chemistry
When 6.0L of H2 reacts with 2.0L of N2, 4.0L of gaseous product are formed. All volumes of gases are measured at the same temperature and pressure. What is the formula of the product? Hint: Assume all reactants are consumed.
asked by Cat 
English (HELP)
What can you guess about the author's point of view that would cause Columbus to say he hopes to find "gold or spices in abundance"?
asked by Victoria 
physics
A physics professor moonlights as a daredevil jumping things on a motorbike. His next stunt will be to jump the oldman river on his motorcycle. The ramp is being built 100 m above the river and made an angle of 50.0 o relative to the horizontal. The
asked by tom 
physics
A 61kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 815 N. What is the acceleration of the elevator? m/s2 upward
asked by lisa 
Physics
1. An arrow is shot from the top of a 50 m castle wall at 18 m/s horizontal to the ground. How far from the base of the castle wall will it land? 2. A cannon with a muzzle velocity of 45m/s is shot a various angles to get maximum distance. The general
asked by Bryan 
English (Check)
Break down the following passages by bracketing unessential material and underlining the essential information that tells who and what. 1. [But now was all our provisions spent, the sturgeon gone, all helps abandoned, each hour expecting the fury of the
asked by Victoria 
English
What does the quote "nature is not human hearted' by Lao Tzu mean?
asked by Anonymous 
physics 12U
A driver parks his car on a hill but accidently leaves it in neutral. The car starts from rest and accelerates down the 45 m long hill. It take the car 12.3 seconds to reach the bottom of the hill. a) What is the final velocity of the car at the bottom of
asked by emma 
Math
In a bag of 400 jelly beans, 25% of the jelly beans are red in color. If you randomly pick a jelly bean from the bag, what is the probability that the jelly bean picked is NOT one of red jelly beans?
asked by John 
Math
A piece of plywood, the surface of which measures 8/9 square yard, is cut into sections each containing 2/9 square yard. How many sections are there?
asked by Linda 
English (Check)
After reading each passage, write the signal word or words it contains and the type of relationship that each signal word indicates. 1. They entreated us not to be angry any longer, because, even if it was their death, they would take us where we chose. A:
asked by Victoria 
sphy011
A football game costumarily begins with a coin toss to determine who kicks off. The referee tosses the coin vertically upwards with an initial velocity of 5m/s and it takes 1.02s for it to be in the air. In the absence of air resistance 1.How high does the
asked by Kate 
LIFE ORIENTATION
EXPLAIN ANY 4 REASON WHY IT IS DIFFICULT TO STOP HUMAN TRAFFICKING.
asked by KUNENE S'PHESIHLE 
Math
Suppose you have student loans totaling $10,500 when you graduate from college. The APR is 9% and the loan term is 10 years. a) What are your monthly payments? b) What is the total amount you will pay over the term of the loan? c) Of the total amount paid,
asked by Emilio 
Math PreCal (Exponential Functions)
The federal minimum wage was raised to $1.00 per hour in 1956. It was raised to $2.00 per hour in 1974. If it had continued to increase at this same exponential rate, what would it be in 2016? I tried working this problem and got ~$10.08 for 2016. I'm not
asked by Earl 
Algebra
A balloon is secured to rope that is staked to the ground. A breeze blows the balloon so that the rope is taut while the balloon is directly above a flag pole that is 30 feet from where the rope is staked down. Find the altitude of the balloon if the rope
asked by JACK 
psychology
When researchers find similarities in development between very different cultures, what implications might such findings have for the naturenurture issue?
asked by susan 
Physical science
a balloon has a volume of 0.5 L at 20 degrees celsius. what will the volume be if the balloon heated to 150 degrees celsius? assume constant pressure and mass. I got 0.7218 L.
asked by Emily 
physics
7.–/3 points SerCP9 4.P.063.My Notes Question Part Points Submissions Used A box rests on the back of a truck. The coefficient of static friction between box and bed of the truck is 0.355. (a) When the truck accelerates forward, what force accelerates
asked by mark 
English (Check/Help)
Read each sentence, and determine if it contains an action verb or a linking verb. Then, write a related sentence with the type of verb that does not appear in the first sentence. 1. Columbus's journal is a marvelous document. 2. His descriptions capture
asked by Victoria 
Chemistry
At what pressure would 0.150 mole of nitrogen gas at 23.0oC occupy 8.90 L? 23.o0c = 250 K P=(0.150 mol)(8.31 KPA x L/ K x mol)(250 K) = P is this right?
asked by Boberto 
English (Check)
Underline the verbs in the past tense and circle the verbs in the past perfect tense. 1. He _told_ how he (had found) permanent houses and that he (had also seen) maize.
asked by Victoria 
Math
Rectangular prism below consists of troy's spaceship mode how do you solve it
asked by Sabrina 
Ela
Story Oregon trail 6. Why do the narrator and his companions MOST LIKELY not want to travel with the emigrant group they encounter on the prairie A. They do not enjoy listening to themselves B. They do not want the group to slow them down C. They will
asked by Kylie 
Science
What impact does storage of elastic energy have on the efficiency of hopping?
asked by Mel 
Chemistry
A 10.3g sample of an elemental gas has a volume of 58.4L at 758torr when the temperature is 2.5 C. Determine the identity of the gas.
asked by Sam 
Algebra
please help with this : Consider the expression x^24x12 and determine the values of x for which 1/x^24x12 is undefined
asked by Mntlane 
statistics
Minutes 126.53 127.27 130 130.35 130.4 130.58 130.87 131.18 131.98 132.55 133.28 133.42 133.43 133.55 133.65 134 134.37 134.62 134.73 135 135.95 136.12 136.17 136.23 136.28 137.7 137.83 137.93 138.18 138.25 138.43 138.67 139.13 139.72 140.25 140.38 140.4
asked by hana 
MAth
A $4,500 loan, taken now, with a simple interest rate of 6% per year, will require a total repayment of $5,040. At what time t will the loan mature?
asked by Amethyst 
Chemistry
Gasoline, which can be represented by the formula octane, bulk density is 704 g/l. To estimate the variation in enthalpy when burning 28.5 liters gasoline, based on the binding energies: 0 = 0 (117 kcal); C = 0 (173 kcal); 0 h (111 kcal); CC (83 kcal);
asked by Nayara 
social studies
how did the search for new overseas markets push the united states to become a world power
asked by dellion 
john
Minutes 126.53 127.27 130 130.35 130.4 130.58 130.87 131.18 131.98 132.55 133.28 133.42 133.43 133.55 133.65 134 134.37 134.62 134.73 135 135.95 136.12 136.17 136.23 136.28 137.7 137.83 137.93 138.18 138.25 138.43 138.67 139.13 139.72 140.25 140.38 140.4
asked by Anonymous 
Art
Claude Monet lived in A. Spain B. Hungary C. France D. America
asked by Hyper Shadic 
statistics
Minutes 126.53 127.27 130 130.35 130.4 130.58 130.87 131.18 131.98 132.55 133.28 133.42 133.43 133.55 133.65 134 134.37 134.62 134.73 135 135.95 136.12 136.17 136.23 136.28 137.7 137.83 137.93 138.18 138.25 138.43 138.67 139.13 139.72 140.25 140.38 140.4
asked by vicke 
Math
Suppose you borrowed $25,000 for a car at an APR of 8%, which you are paying off with monthly payments of $510 for 5 years. a) What’s the loan principal? b) What’s the annual interest rate? c) How many payments do you make in a year? d) What’s the
asked by Emilio 
Chemistry  Vapor Pressure
a.)What is the partial vapor pressure of a benzene above solution obtained by mixing 44.7 g benzene, C6H6, and 77.3 g toluene, C6H5CH3, at 25 ∘C? At 25 ∘C the vapor pressure of C6H6 = 95.1 mmHg; the vapor pressure of C6H5CH3 = 28.4 mmHg. b.)What is the
asked by Anonymous 
physical sciences
The mass of a minibus is 1500kg,assume that the passenger have an average mass of 50kg each.The driver is moving at a speed of 30m/s when he notice that the traffic light ahead have turned to red.he applied a force of 9000N on the break pedal,calculate
asked by ascentia 
science1002
how many moles are present in 25ml of 0.1m of na2co3
asked by mark 
math
Find the solution(s) of the logarithmic equation ln(x+4)+ln(x−4)=0
asked by avia 
algebra or algebra1
( x 7^ ( − y 8^ z 5^ ) 2 ^) 3 simplify
asked by pink 
social studies
The laws of accumulation will be left free; the laws of distribution free. Individualism will continue but the millionaire will be a trustee of the poor; entrusted with the wealth of the community, but administering the wealth better than the community
asked by MG 
geometry
A hemisphere tank is filled with water and has a diameter of ten feet. If the water weighs 62.4 pounds per cubic foot, what is the total weight of water in a full tank?
asked by jim 
math
The park currently contains 20 wolves and the park rangers are introducing additional wolves at the rate mt(12−t) wolves per month, 0≤t≤12 for some constant m>0 to be determined. However, the park rangers are concerned about damaging the current
asked by anne 
math
How long will a man take to go one round a circular track of radius 4.2m.if he runs at an speed of 6km\h.
asked by abhishek saini 
physics
A snowball rolls of a roof by accident. The roof is sloped 40.0 o relative to the horizontal. The edge of the roof is 14.0 m above the ground, and the speed of the snowball is 7.00 m/s as it rolls off the roof. Ignore air resistance. Coincidentally, there
asked by tamara 
Physics 20
A 90.3 cm long pendulum is released from a vertical height of 20 cm and is allowed to swing freely. Determine the greatest speed of the pendulum.
asked by Anonymous 
Math
How does changing the dimensions of a figure affect its perimeter? area?
asked by Helen 
Math
1. Use the associative property to rewrite the expression 97 + (3 + 13) I rewrote this as (97 + 3) + 13 since the associative property is about changing the grouping. The answer in the back of the book says 97 + (3 + 13)  the same as the original
asked by Carly 
physics
A block of mass m = 5.4 kg is pulled up a θ = 24° incline as in the figure with a force of magnitude F = 35 N. (a) Find the acceleration of the block if the incline is frictionless. m/s2 (b) Find the acceleration of the block if the coefficient of
asked by john 
Algebra
Jen Planted a 7 ft tee, tree grows 3 ft each year. Now tree is 4times original height. How many year ago was tree planted. Is the equation y=3x+7 right, where y= 7*4 and x= no of years
asked by Kavita 
Physics
You often see birds resting on power lines that carry currents of 48 A. The copper wire on which the bird stands has a radius of 1.5 cm. Assuming that the bird's feet are 3.3 cm apart, calculate the potential difference across its body.
asked by Physics lover 
applied mechanics
a body is projected upwards with a velocity of 50 m/s from the top of a tower 100 m high.How long will it take to reach the ground? What will be the velocity with the body strikes the ground?
asked by simba 
Finance370
Fin/370 compute the future value in 9years of a $2000 deposit in 1 year and another $1500 at the end of year 3 using a 10% interest rate
asked by Marcia McKinnon 
SOCIAL STUDIES
A democracy may be defined by the political principle that the government is created by, derives its powers from, and exists to serve the people. According to this statement, which of the following is inconsistent with a democratic form of government? (1)
asked by MG 
bio tech
Describe hpow you would prepare 2 L of a 0.5 g/ml dextrose solution?
asked by kim 
Math
Steps of calculations that show the simple interest on a R5000 loan for 3 years at 9 percent interest
asked by Belinda 
algebra or algebra1
f ( x ) =  x − 6  7 − x , then f ( − 1)
asked by pink 
Algebra
A merchant blends tea that sells for $5.00 a pound with tea that sells for $3.00 a pound to produce 80 lb of a mixture that sells for $3.75 a pound. How many pounds of each type of tea does the merchant use in the blend?
asked by Faisal 
algebra or algebra1
One of the factors of 3x^2+18x+24
asked by sea 
chemistry
is it other than CH3COOH + C2H5OH => CH3COOC2H5 propanoic acid and isoamyl alcohol to make isoamyl propanoate?
asked by ss 
Calculus
How would I set this up in my calculator? Let F(x)=∫ ln(t^2) dt where a= 1 and b=3x . Use your calculator to find F"(1). I set it up and I got way the wrong answer. I got 2ln(1)=0
asked by Henry 
ELA
Story going west 4. What is the theme of the story A. Never take unnecessary risks B. Some dreams are worth the sacrifice C. Fathers and sons sometimes don't get along D. Life is better in the west than it is int the east 8. Why is going the Oregon trail
asked by Kylie 
physcis
a girl throws a ball vertically upward with a speed of 20 ft/sec from the roof of a building 60 ft high.(a)how long will it take the ball to reach the ground? (b)what will its speed be when it strikes the ground?
asked by charles 
physics
A boat is inclined upwards at 30 to the horizontal. the tension of the string is 200N. what is the force tending to raise the boat out of water.
asked by anointed 
Biology
How do mutations that alter the nucleotide sequence of a promoter influence the original function of that promoter and thus the entire cell? (Try to name all the biological consequences of possible mutations in the promoter.)
asked by Ian 
Math Algebra
There are numbers whose sum is 50. Three time the 1st is more than twise the second.? please solve
asked by ALLAH UDDIN 
science
Express the value of time in s.I units 2hours 35 seconds I tried multiplying but gave me wrong answers and objectives are 7200 3600 9300 2100
asked by kelvin 
Maths
The product of two numbers is 16/3.If one of them is 4/3 , find the other ?
asked by Ishita 
Physics
(a) Two gokarts, A and B, travel around two circular tracks of radius 5 m and 10 m, respectively, each in 10.34 s. Does A or B have the greater acceleration? Which has the greater speed? (b)If instead the two gokarts travel around the two tracks at the
asked by Supansa 
Physics
A particle moves in three dimensional space as an equation r= (t^2+1.34t)i^+(3.34t2)j^+(2t^34t^2)k^ where is in unit of meter and in second. a.Sketch the path of this particle b.Calculate velocity at t=2 s c.Calculate acceleration at t=2 s
asked by Supansa 
english
the party was in the garage,what is the verb in this sentence?
asked by phodiso 
Chemistry
The world record for a human holding their breath is 11 minutes, but most people can only hold it for a few minutes. If a women holds her breath at the maximum lung capacity (4.2 L), calculate the final pressure in her lungs, if her body temperature is
asked by Boberto 
Science
Expression for bernaulli theorem
asked by Rahul 
physics
A hockey puck is hit on a frozen lake and starts moving with a speed of 14.0 m/s. Five seconds later, its speed is 5.50 m/s. (a) What is its average acceleration? m/s2 (b) What is the average value of the coefficient of kinetic friction between puck and
asked by john 
Chemistry
For the reaction between ammonia and hydrochloric acid to produce ammonium chloride; What volume of ammonia is used (at 20 Celsius and 760mmHg) if 12.5gmof ammonium chloride are produced in the reaction? How many molecules of ammonia does this represent?
asked by Sam 
Math
Solve: (1√3tanθ)+1+√3 = √3sec^2θ Where (0≤θ≤360)
asked by Rabin 
FS
what difficulties did the teacher experience?
asked by mischelle 
science
when whould electric current flow through a conductor
asked by Anonymous 
pre algebra
the typist typed end of page 8 till the end of page 50. what would the pages be.
asked by beatriz 
Math
The smallest package weighed only 1/3 more than 1/2 the weight of the heaviest package. If the two packages combined weighed 100 kilograms, how much did the smaller package weigh?
asked by Jose 
Math
Mr. Beti was born in 1809 A. D. In the year x*x A. D. he was x3years old. Find the value of X.
asked by Vaishnavi 
chemistry
WHICH OF THE FOLLOWING IS TRUE FOR AN ACID? A. IT PRODUCES EFFERVESCENCE WITH BAKING SODA B. IT TURNS UNIVERSAL INDICATOR BLUE.
asked by vidya 
physics
A hockey puck is hit on a frozen lake and starts moving with a speed of 14.0 m/s. Five seconds later, its speed is 5.50 m/s. (a) What is its average acceleration? m/s2 (b) What is the average value of the coefficient of kinetic friction between puck and
asked by john 
Genetics!!
What is the function of a eukaryotic promoter sequence?
asked by Zack 
physics
weights of man 10kg and 8kg are placed near p and q respectively one each end of the beam calculate the Reactions at p and q. [1kg is 10N]
asked by joseph 
English (Check)
List examples and details that show that the passages are firsthand historical narratives. 1. While the ships stayed, our allowance was somewhat bettered by a daily proportion of biscuit which the sailors would pilfer to sell, give, or exchange with use
asked by Victoria 
physics
A 5.4kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.7 m/s2, find the force exerted by the rope on the bucket. N
asked by lisa 
Math
91/3 x 12 =
asked by Theresa 
physics
A 3.00kg block starts from rest at the top of a 31.0° incline and slides 2.00 m down the incline in 1.40 s. (a) Find the acceleration of the block. m/s2 (b) Find the coefficient of kinetic friction between the block and the incline. (c) Find the
asked by john 
Math
You need $200,000 to buy a new home. The bank offers a choice of a 30year loan at an APR of 8% or a 15year loan at 7.5%. Assume the closing costs are the same for both loans. a) Compare the monthly payments for these two loan options. b) Compare the
asked by Emilio 
Math
Consider an aircraft attempting to fly south at 600km/h encounters a head wind of 200km/h. Calculate its resultant velocity.
asked by Ezekiel 
maths
the value of a car depreciate by 13% of it value in the first year. in the subsequent year the depreciation is 8% of its value at the beginning of the year.the value of the car when new is $45000. find its value when it is four years old.
asked by fernando 
geography
Hello I need to find important cities located in the colony Delaware before the year 1776, but I had trouble finding any information could someone possibly help out?
asked by steph 
Physics
A stone is thrown 60 degrees below the horizontal at 22 ft/sec and 20 meters above the ground. Using the energy equations, determine its velocity when it hits the ground.
asked by Matt 
English (Check)
List examples and details that show that the passages are firsthand historical narratives. 1. While the ships stayed, our allowance was somewhat bettered by a daily proportion of biscuit which the sailors would pilfer to sell, give, or exchange with use
asked by Victoria 
chemistry functional groups
Can a singly bonded CH2 group be classified as an alkyl or an alkane group? It's not the vinyl. Thanks!
asked by Anonymous 
social studies
How do I check my answer on a graph question? someone please help
asked by MG 
Statistic
A group of 20 women took the njcbspt and 17 passed the algebra portion. A group of 35 men took the test and 28 passed. Does this support the claim that men's success rates are lower than women's ? Sigma=.05
asked by Dhelp 
ELA
Story a day to remember 12. How does the author use imagery in this passage?
asked by Kylie 
Study Guide
Does anyone know where I could find an online or PDF version of the Holt Biology 2004 study guide?
asked by Victoria 
Chemistry
What is the density of NH3 at 800torr and 25 Celsius?
asked by Sam 
organic chemistry
is it anything other to form isopentyl propionate
asked by ss 
Chemistry
Calculate the following and write your answer in scientific notation 6.6 x 10^6 (8.8 x10^2) x (2.5 x 10^3)
asked by Anonymous 
Math
I was wondering if anyone could please help me with an Algebra 2 problem involving roots. The roots are 1/2, 1, and 3+2i. I need help finding the equation of that and it passes through the point (1,200). I did (x1/2)(x1)(x3+2i)(x32i) as my first step
asked by Mindy 
Algebra
I was wondering if anyone could please help me with an Algebra 2 problem involving roots. The roots are 1/2, 1, and 3+2i. I need help finding the equation of that and it passes through the point (1,200). I did (x1/2)(x1)(x3+2i)(x32i) as my first step
asked by Carol 
Trig Identities
Why does cos^2(x)= 1/2cos(2x)+1/2? I am trying to integrate, but the answer key says to first rewrite the expression like the above. I don't get how to change cos^2(x) into that. Explain?
asked by Betty 
logs
e^1−10x=9 solve for x
asked by avia 
math
Find the variation constant and an equation of variation if y varies directly as x and the following conditions apply.
asked by jay 
English (HELP)
The Puritans founded Harvard College at Newtowne in 1636. Three years later, they renamed the city of Cambridge to honor the British city where many of the colonists had studied. What does this fact reveal about the group who fled England?
asked by Victoria 
math
Traveling at 55 miles per hour,approximately how long will it take Michael to drive 250 miles? (1) between 1 and 2 hours (2) between 2 and 3 hours (3) between 3 and 4 hours (4) between 4 and 5 hours (5) between 5 and 6 hours I think the answer is 4?
asked by Anonymous 
science
why is water a limited rescource
asked by ginger 
math
At what rate of annual simple interest, a certain sum will amount to four times in 15yr
asked by simple interest 
English (Check)
Read each sentence, and determine if it contains an action verb or a linking verb. Then, write a related sentence with the type of verb that does not appear in the first sentence. Read each sentence, and determine if it contains an action verb or a linking
asked by Victoria 
Math
The U.S life expectancy of a baby born in 1960 was 69.8 years. For a birth year of 2010, the U.S life expectant was 78.5 years. Let Y be the US life expectancy for a baby born in the year x, where x=0 represents the year 1960. What would the life
asked by Anonymous 
math
simplify the following and express Answer in positive index (e^3/f^2)^3 x (e^4/f)^1 8^1/3 X 4^1/2
asked by raechel 
maths partial fractions
Resolve in partial form (x^2+15)/(x+3)^2(x^2+3)
asked by p1 
Math
A piece of ribbon is 7 1/2in. long. If a piece 2 3/16in. long is cut off, how long is the remaining piece?
asked by Emily 
math
Jake worked 12 more overtime hours than Smith one week. If Jake worked 8 overtime hours for every 6 overtime hours that Smith worked, for how many hours of overtime did each person work? Round your answer to the nearest tenth of an hour if necessary.
asked by Mrs. C 
Math
Let d(n) represent the number of diagonals of a polygon of n sides. Here is a table of values of d(n). n 3 4 5 6 7 8 9 10 11 d(n)0 2 5 9 14 20 27 35 44 Find a polynomial formula for d(n) in terms of n
asked by Heather 
Math
How many solutions are there to the equation x^26x=9?
asked by James 
math
Solve for all real values of y: 3y+7=2y1.
asked by Scott 
physics
A hockey puck is hit on a frozen lake and starts moving with a speed of 14.0 m/s. Five seconds later, its speed is 5.50 m/s. (a) What is its average acceleration? m/s2 (b) What is the average value of the coefficient of kinetic friction between puck and
asked by mark 
Biology help!!
what compounds (fats, starch, protein and simple sugar) do the following foods have? Oatmeal Margarine Salmon Whole milk Chocolate chip cookies Peach
asked by Anonymous 
Math
6 less than a number is 18
asked by Anonymous 
Math
Mary brouvht a car for,65 % of the original price of 7200 what did he pay for the car
asked by Sueann 
Physics
what maximizes our ability to recover elastic potential energy?
asked by Mel 
math
what does the fox say to the dog?
asked by Anonymous 
social studies
International efforts are being made to safeguard against the misuse of weather modification.an example of the potential to misuse the weather is
asked by Anonymous 
math
Factorise 2(x1)4(x1)
asked by Amahle 
social studies
Reconstruction was a more bitter experience for the south than the the civil war itself.which of the following historical developments best supports the author's point of view?
asked by Anonymous 
physics
A charge +q is at the origin. A charge 2q is at x = 1.70 m on the +x axis.
asked by Anonymous 
social studies
The fourth amendment states that the right of the people against unreasonable searches and seizures of their persons,houses,papers,and personal effects shall not be violated.This amendment to the u.s constitution upholds which of the following common law
asked by Anonymous 
social studies
A democracy may be defines by the political principal that the government is created by,derives it's powers from,and exists to serve the people. According to this statement,which of the following is inconsistent with a democratic form of government? (1)
asked by Anonymous 
chemistry
which alcohol and carboxylic acid would produce isoamyl propanoate by Fischer esterification
asked by mm