Questions Asked on
January 1, 2013

math
how would i solve this function y=4x
asked by javon 
Algebra
True or False: If an agebraic expression calls for Y=8, that means that you will use the number 8 to replace the letter Y in order to solve the expression?
asked by Phil 
history
in the 1920s, literature played a huge roll in people's lives. however, when the great depression struck in 1929, people were unable to purchase literature and books were focused on the downfall of society and how the glitz and glamour of the 1920s
asked by Gregg 
math
Which of the following equations is true? 1. (3 + 4)2 + 23 = 57 2. (3 + 4)2 + 23 = 53
asked by Anonymous 
calculus
solve the following logarithmic equation. Be sure to reject any value of x that is not in the domain of orginal expression. then in the solution set round to two decimals places. Inx=8 I get e^8 But am having a hard time with rounding two decimal places.
asked by Jennifer 
calculus
solve the following exponential equation 9^x=6 I get In6/In9 what is the answer approximated three decimal places?
asked by Austin 
chemistry
Calculate the degree of polymerization n of polystyrene with a molecular weight of 3.091*10^6 g/mol.
asked by cristie 
chemistry
What is the value of the degree of polymerization n of isotactic PB with a molecular weight of 3.091×105 g/mol?
asked by cristie 
chemistry
One chirality of CH3CHClCOOH is shown below. Identify the image(s) below that exhibit the opposite chirality. Select all that apply.
asked by cristie 
math
given that vectors(p+2q) and (5p4q) are orthogonal,if vectors p and q are the unit vectors,find the product of vectors p and q?
asked by bhawani 
Advanced Statistics
What is Conceptual Framework...?
asked by Matt 
maths
find the value of k on which the line (k3)(4k)^2*g+k^2k+6=0.
asked by Anonymous 
maths
a horse is tied to a pole by a rope if the horse moves along a circular path keeping the rope tight and describe 176 m when it has traced out 72degree at the pole find the length of the rope
asked by faizel 
maths
two circles of radii 10 cm and 17 cm intersect at two points and distance between their centers is 21 cm.find length of common chord
asked by anshika 
maths
'A ' person gives gift to another person 'B 'on an occasion, 'B ' gives the same gift to 'C ', and so on. What is the probability that the gift returns to the person 'A ' again
asked by faizel 
the science of the mind (psychology)
2. which of the following statements regarding depth perception is true? a. texture gradient is a monocular cue b.experience teaches us to perceive relative size as an indicator of the color of an object c.motion parallax is detected because we perceive
asked by lady bug 
maths
a trader marks his goods 20% above the CP .He then sells them at a discount of 20% .If his CP is 550 what is his gain or loss and its percentage
asked by manpreet 
triangle inequality  altitudes help plz
hi guys ive be struggling on this problem for a couple of days, so please help if you can Problem:Two altitudes of a triangle have lengths 12 and 14. What is the longest possible length of the third altitude, if it is a positive integer? Thanks in advance
asked by Knights 
math
an element has a BCC structure with cell edge of 288pm. the density of the element is 7.2g/cm3. how many atom are present in 208g of the element?
asked by ahamad sultan 
calculus
solve the logarithmic equation. be sure to reject any value of x that is not in the domain of the orginal logarithmic expression. In square root x+7=2 what is the exact solution? a.)the solution set is ? b.)there are infinitely many solutions c.)there is
asked by Brock 
calculus
solve the following exponential equation. 8^x=3 what is the exact answer? a. x= ? b. there is no solution what is the answer approximated to 3 decimal places? a. x= ? b. there is no solution
asked by Kyrstal 
physics
derivation of prism formula
asked by maneet 
calculus
solve the equation Inx+In(x+4)=3 x= ?
asked by Breanna 
calculus
solve the following equation Log1/3(x2+x)log1/3(x2x)=2 the 1/3 should be lowered and the (x^2x) should be higher. Can someone tell me what tools to use to make them like this when posting? x= ?
asked by Kyrstal 
ENGLISH HELP!!!
A feature article about a plane crash would be more likely than a hard news article to include ? A)the date, time, and location of the crash. B)a profile of one of the survivors of the crash. C)statistics about other crashes involving the same airline.
asked by Corie 
Maths
The circumference of the base of a cylindrical oil drum is 204cm. Calculate the diameter of the drum.
asked by Iain 
calculus
solve the logarithmic equation. Be sure to reject any value of x that is not in the domain. In square root x+7=1 x= ? What is the decimal approximation to the solution? x= ?
asked by NayNay 
Physics
On a frictionless table, a 3kg block moving 4m/s to the right collides with an 8kg block moving 1.5m/s to the left. If the blocks stick together, what is the final velocity? How much mechanical energy is dissipate in the collision?
asked by ABC 
Chemistry 1 HN
Find the mass of iron heated to 85 degrees celcius that was added to 54.0 grams of water. The temperature of the water changed from 20 degrees celcius to 60 degrees celcius. The specific heat of the iron is 0.045 J/g degrees celcius
asked by Gray 
Chemistry I HN
If 720.0 grams of steam at 400.0 degrees Celsius absorbs 800.0 kJ of energy, what will be its increase in temperature?
asked by Cary 
Chemisty I HN
How much heat (in kJ) is given when 85.0 grams of lead cools from 200.0 degrees Celsius to 10.0 degrees Celsius? (Cp of lead = 0.129 J/g)
asked by Cary 
Physics
You slide your friend with a mass of 65 kg out of the way as they are blocking the exit and keeping you from escaping from physics class where you have been tormented by problems for the last hour and a half. The coefficient of kinetic friction between the
asked by Bart 
Accounting
Hi, When delivery eqipment is purchased on account, the transaction to be recorded by the purchaser inclues debiting: A: Delivery Equip & crediting AP B: Delivery Equip & crediting Cash C: Delivery Expense & crediting AP D: Delivery Expense & crediting
asked by NeNe 
physics
calculate the initial acceleration of a rocket of mass 3*10^6kg if the rocket is sitting on its launch pad with weight 3*10N and upward thrust of 3.5*10^7
asked by magie 
calculus
solve the equation. Inx+In(x+8)=3
asked by ladybug 
calculus
solve the following equation. log 1/6 (x^2+x) log 1/6 (x^2x)=2 **the 1/6 is lowered on both sides and the (x^2+x) and (x^2x) should be higher on both sides**
asked by ladybug 
physics
a ball of mass 4 kg falls to the floor; it lands with a speed of 6 m/s. it bounces off with the same speed. show that its momentum has changed by 48 kg m/s
asked by yoseph 
calculus
solve the following exponential equation. 5^x=4 a. what is the exact answer? **I think it is In4/In5 b. what is the answer approximated to 3 decimal places.
asked by Paul 
for Knights
have been looking at your post ... http://www.jiskha.com/display.cgi?id=1357047578 interesting question... let the altitude of 12 hit base a let the altitude of 14 hit base b then (1/2)(12)a = (1/2)(14)b 6a = 7b a = 7b/6 let the third side be c and its
asked by Reiny 
calculus
solve the exponential equation. Express the solution in terms of natural logarithms. e^x=9.2 a. whats the solution in terms of natural logarithms? **is the answer e^9.2 or just e^9 b. type a decimal rounded to 3 decimal places.
asked by Brock 
History
Should environmental policy focus on developing more oil resources or on developing renewable energy sources? Or, is there another, better way to frame the discussion?
asked by Erika 
math
What is the order from least to greatest of the fractions 4/8, 1/4, 2/6, 2/3?
asked by Anonymous 
Physics
1. Suspend the meter stick by a string from its center. 2. Notice carefully where it balances. It probably will not balance exactly at 50 cm. All distances must be measured to this point (called the fulcrum). 3. Hang a 200 g mass on one side and a 50 g
asked by Marilyn 
Calculus
Is this statment true? Please explain. At a relative extrema, f'(x) = 0
asked by Lost One 
math
A right triangular field has its hypotenuse is fifty cm and one side is forty cm find the aarea of it triangle
asked by nisha 
Calculus
Find the extreme value(s) of the function f(x)=1/(1x^2). I tried, and for the first derivative I got 1/(2*sqrt((1x^2)^3)). I then found critical values of the function to be 1 and 1. However, the textbook says that the minimum value is 1 at f(0), and I
asked by Leasha 
writing
do you think that life on earth could become this difficult during your life time?what factor could cause to take place ?a story about that shows what life might be like in the world?
asked by Eduarda 
math
Two adjacent sides of a parallelogram are four cm and five cm find the perimeter of the parallelogram
asked by nisha 
Trigonometry
1.Solve tan^2x + tan x – 1 = 0 for the principal value(s) to two decimal places. 6.Prove that tan y cos^2 y + sin^2y/sin y = cos y + sin y 10.Prove that 1+tanθ/1tanθ = sec^2θ+2tanθ/1tan^2θ 17.Prove that sin^2wcos^2w/tan w sin w + cos w tan w =
asked by Alonso 
math
How to multiply both the sides with two and add them i mean it is not possible
asked by nisha 
physics
A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of vi = 16 m/s. The cliff is h = 60 m above the water's surface, as shown below. How long does it take for the stone to fall to the water? With what speed does it
asked by Anonymous 
trigonometry
14. Solve sin 2x + sin x = 0 for 0 ≤ x ≤ 2π. 21. Write 2sin37°sin26° as a sum (or difference).
asked by george 
science
The output of a laser is 3.000 W when pumped at 7 times the threshold. The optical mode in the laser is a cylinder with a diameter of 0.8 mm, and the output mirror transmission is 0.25 %. Determine the saturation intensity of the laser transition
asked by qweasd 
physics
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both reach the edge of a 4.2 m waterfall. If the spy's speed is 20 m/s and the officials' speed is 24
asked by Anonymous 
physics
Mode spacing and gain coefficient: A Nd microchip laser has an index of refraction 1.78 and a cavity length of 3.20 mm. Mirrors of reflectivity 0.997 and 0.975 are mounted directly on the faces of the chip. The emission lineshape of the laser transition
asked by qweasd 
math
1,1,2.3,5....... what can be the general term for this?
asked by Riana 
physics
A shell is fired from the ground with an initial speed of 1.54 103 m/s at an initial angle of 46° to the horizontal. (a) Neglecting air resistance, find the shell's horizontal range.
asked by Anonymous 
mathscalculus
mean value theorem prove sq root 9.1 is less than or equal to 3+1/60
asked by jen 
Algebra
What is the value of 20x when x = 10. (Thank you in advance and Happy New Year! :)
asked by Phil 
Algebra
What is the value of 3a when a = `4. (Thank you in advance & Happy New Year!)
asked by Phil 
Algebra
What is the evaluation of: a  13 when a = 33. Thanks & Happy New Year :)
asked by Phil 
Chemistry..
Can you check my answer?When sodium chloride reacts with silver nitrate, silver chloride precipitates. What mass of AgCl is produced from 75.0 g AgNO3? My answer: 63.3g AgCl
asked by Anonymous 
Math.....
This is a riddle: It is night time in your bedroom and the light has broken. You are getting dressed and need a pair of socks. You have got 10 red, 8 white and 12 grey socks in a drawer how many do you have to pull out in the dark before you know you have
asked by Anonymous 
math help!
48,36,27,81/4........... general term?
asked by Riana 
math
how can i find the product of this number 3 x 16 by breaking it ?
asked by nobody 
Algebra
Simplify: 2 + 3 . 10 Devided by 5 . 3  9 (Thanks and Happy New Year!)
asked by Phil 
algebra
how do i simplify 16^1/2 in steps and explanation?
asked by Anonymous 
math
A client comes to you for investment advice on his $500,000 winnings from the lottery. He has been offered the following options by three different financial institutions and requests assistance to help understand which option would be the best for his
asked by yolanda johnson 
calculus
for the given functions f and g, find the following and state the domain of each. f(x)=square root x; g(x)=5x1 a. (f*g)(x)= ? what is the domain of f*g? b. (f/g)(x)=? what is the domain of f/g? please show work
asked by anonymous 
math
A client comes to you for investment advice on his $500,000 winnings from the lottery. He has been offered the following options by three different financial institutions and requests assistance to help understand which option would be the best for his
asked by yolanda johnson 
Physics
you are riding your bike on a path. you see a fallen tree blocking your way 42 meters ahead. if the coeffiient of friction between your bikes tires ad the ground is .36 and you are traveling at 50km/hr how much stopping distance is required? the total mass
asked by Lia 
math
find the equation of a line that is parallel to the line x= 1 and contains the point (7,5) the equation of the parallel line is ? *type an equation*
asked by anonymous 
Physics
a store owner wishes to hang a sign weighinh 750N so that cable A attached to the store makes a 30 degree angle from the vertical wall. cable B is attached horizontally to an ajoining building. calculate the necessary tension on cable B .\ 30\ ...\ A
asked by Lia 
calculus
Find the distance d(P1,P2)between the points P1 and P2. P1=(5,2) P2=(2,1) d(P1,P2)=? *all the 1's and 2's are to be lower down.* Please show work
asked by Lisa 
physics
If the hockey puck lies on the ice and is struck by a hockey stick with a force of 2.60e+03 N, what is the acceleration of the hockey puck
asked by b 
geometry
What is the area of a triangle if the base is 12 inches and the height is 18 inches?
asked by Phil 
calculus
Find the midpoint of the line segment joining the points P1 and P2 P1=(1,5); P2=(2,0) m=(x,y)=? type an ordered pair Please show work
asked by Lisa 
Math inequalities
182x>6x6 I added +2x to each side 18>8x6 then add 6 to both sides 24>8x 24/8>8x/8 3>x answer x
asked by B6 
math
the function f is defined as the follows f(x)={x+6 if 5 less than or equal to x < 1 {9 if x = 1 {x+5 if x > 1 a. find the domain of the function f is? b. locate any intercepts; if any please show work
asked by Heather 
chemistry
8.058g x 102 kg of washing soda na2co3 10h20 is dissolved in water to obtain 1L of a solution of density 1077.2kg/m3. Calculate the molarity, molality and mole fraction of na2c03 in the solution? who helps
asked by Fai 
Mock Trial
Hi all, I belong to a education group, and we practice Mock Trial. Where can I find a video of a real trial going on so I can learn from it? Thanks all and Happy New Year!
asked by Knights 
Financial management
ABC Construction and Leasing Company are interested in investing in the residential real estate market due to a relatively low interest rate environment. The Company appointed you to be in charge of the project feasibility study. You have just visited a
asked by Mike 
math
1+2+3+...+100 how to find the sum of it.
asked by Riana 
us history
Based on this account, what would historians be most likely to disagree on regarding the story of the Tuscarora? the history of the Iroquois nation the duration of the Tuscarora War the exact cause of the Tuscarora War the location of the Tuscarora tribal
asked by aliyah 
Math
What is the sequence to this 2, 10, 10
asked by Kevin Yang 
Chemistry
Pharmacists sell tablets containing magnesium hydroxide, Mg(OH)2, to combat indigestion. A student carried out an investigation to find the percentage by mass of Mg(OH)2 in an indigestion tablet. The student reacted the tablet with dilute hydrochloric
asked by Youtube 
Math
Total goals is 253, how many did each top player score. Erin scored the least. Macy 4 times as many as Erin. Carly scored 2 less than Macy. Shelly scored one half as many goals as Carly. Molly scored 1more than Macy.
asked by Anonymous 
Geometry
in triangle ABC, BD bisects
asked by Arooj 
American Government
True or False: The U.S. "Superior" Court is the Nation's most powerful court? (is Superior and Supreme one in the same?)
asked by Phil 
physics
what is the magnitude of the resultant of a 6.0n force acting vertically upward and a 4.0n force acting horizontally
asked by bridget 
Asworth college
which of the sentences uses modifiers correctly? a. Kurt and his hockey teamm ates nearly cooked two hundred pancakes for the breakfast fundraising event. b. Rudolph enjoys eating curries from the indian delicatessen with a lot of spices. C. on the phone
asked by Rochelle 
math
t11=19 and t17=61.then what will be S12? arithmetic series question
asked by Riana 
math
answer the following for the given quadratic function. f(x)=x^2+x^28 a. what is the vertex (h,k) of f? (h,k)=? simplify your answer and type the answer in an ordered pair b. what is the axis of symmetry?
asked by Heather 
College
Tmrw my exm plz give me soon reply ,about Measurment of viscosity and viscosity.
asked by Simran kaur 
physics
If an object is thrown in an upward direction from the top of a building 160 ft. high at an initial speed of 21.82 mi/h., what is its final speed when it hits the ground?(Disregard wind resistance. Round answer according to significant figures and do not
asked by Anonymous 
College
Difference between analytical and other instrumentation ? I want atleast 10points
asked by Simran kaur 
physics student
A tank holds 2.85 L of oxygen at 22.1 Celsius and 235 atm. (A) how many moles of gas does the tank contain? (B) what is the average kinetic energy per molecule ? the answer in the text book is (a) 27.7 moles (b) 2.381x10^7pa i just want the formula so i
asked by physics student need help 
math
which integer is equal to the product of 7 and the sum of 5 and 1?
asked by jarell 
Chemistry
5. A student has the following data: V1 = 822 mL, T1 = 75°C and T2 = 25°C. He calculates V2 and gets 274 mL is this value correct? Explain why or why not.
asked by Evie 
Chemistry
5. A student has the following data: V1 = 822 mL, T1 = 75°C and T2 = 25°C. He calculates V2 and gets 274 mL is this value correct? Explain why or why not.
asked by Evie 
Math
Total goals is 253, how many did each top player score. Erin scored the least. Macy 4 times as many as Erin. Carly scored 2 less than Macy. Shelly scored one half as many goals as Carly. Molly scored 1more than Macy.
asked by Anonymous 
math
bricks are stacked in 20 rows such that each row has a fixed number of bricks more than the row above it. the top row has 5 bricks and the bottom row 62 bricks. how many bricks are in the stack?
asked by Riana 
Art
How can lines in a painting lead your eyes
asked by Alex 
Medical Biology
Which of the following condition could result from years of smoking? a) tuberculosis b) emphysema c) empyema d) atelectasis
asked by Rina 
7th grade social studies
1. To pinpoint the absolute location of a place, geographers use (1 point) nearby landmarks. the Atlantic and Pacific oceans. the North and South poles. latitude and longitude. 2. What does the theme of movement help geographers to understand? (1 point) a
asked by Delilah 
Math
Total goals is 253, how many did each top player score. Erin scored the least. Macy 4 times as many as Erin. Carly scored 2 less than Macy. Shelly scored one half as many goals as Carly. Molly scored 1more than Macy.
asked by Anonymous 
math
Madison spent 5/8 of her savings on a microwave oven & a refrigerator. She used 4/7 of the amount she spent to buy the refrigerator. The refrigerator cost $280 more than the microwave oven. How much savings did Madison start with?
asked by Tyler 
algebra
What are the steps to figuring out x and y in 3x + 5y = 39.89 and what does x and y equal in the end?
asked by N/A 
Math
Two isosceles triangles have perimeters of 8 and 15 centimeters, respectively. They have the same base length, but the legs (the non base sides) of the larger triangle are twice as long as the legs of the smaller triangle. For each triangle, what is the
asked by Bay 
math
division with fraction 2/7 divided by 3/10
asked by anette 
math
At a festival, 2/7 of the number of girls was equal to 3/5 of the number of boys. There were 165 fewer boys than girls. How many children were at the festival in all?
asked by Tyler 
earth science
How does the wavelength of the infrared portion of the electromagnetic spectrum differ from that of the visible portion of the spectrum?
asked by Shiny 
stats
if i have a sample size of 200, 16% are poor, what is my mean and standard deviation. my answers do not make any sense
asked by gary 
Social Studies
A study of the causes of the American Revolution of 1776, the French Revolution of 1789, and the Russian Revolution of 1917 best supports the generalization that revolution is most likely to occur when?
asked by Anonymous 
PreCal
Solve the following logarithmic equation. Exact words only: log 3(x+4) = 2+log3(x20) the 3 in the part of log (3)should be lower just didn't know how to type it in here
asked by phyllys 
science
Describe and show your calculations on how you would prepare 1.00L of a 0.50M solution of each of the following a.) HCl from "concentrated" (12M) reagent. b.) Sodium Carbonate from the pure solid PLEASE SO LOST(explanation of why you did of what woulp help
asked by Ashok 
history
i need a hypothesis for the 19th amendment
asked by junior 
math
solve This seems pretty easy but I always want a second eye for my work. x+1>6 1 to each side x>5 Is this right?
asked by es 
math
interest is 67.50 and rate is 3%, and time is 3 years. What is the principal?
asked by valerie 
math
interest is $1104, principal is $4600, and time is 4 yrs. What is rate?
asked by valerie 
math
sam has purchased 4 sections of fences that measure 22 1/2 feet long.he needs 2 sections that measure 19 3/4 for the length and 2 sections that measure 15 3/4 feet each for the width how much fence will he have left.
asked by mc 
MATH
If I deposit $3500.00 into an account with a annual rate of 4.5 compounded monthly how long would it to reach $5000.00
asked by CINDY 
math
the 10th term is 34 of arithmetic series and the sum of the 20th term is 710.what is the 25th term?
asked by Riana 
Can you please revise this?
Dear Wiesel, It is a huge pleasure for me to write this letter to you. My name is name, a current high school senior at school name located in the city of city's name. I want you to know that I am a very faithful fan of yours. I enjoy your writings,
asked by Anonymous 
programming
what will be the c++ source code of finding the largest value among the N numbers? translate the algorithm: 1. the largest number is: 2. the smallest number is: 3. display all the numbers inputted: 4. show the final output.
asked by criss 
programming1
please help me in my school assignmnt. Write the algorithm and the c++ source code: 1. Electronics Loading Machine. (Smart,Globe,etc)
asked by nath 
math help!
the 10th term is 34 of arithmetic series and the sum of the 20th term is 710 i.e S20=710.what is the 25th term?
asked by Riana