Questions Asked on
March 2, 2014

Physics
a horizontal force of magnitude 20.0 N is applied to a 3.05 kg book as the book slides a distance d = 0.87 m up a frictionless ramp at angle θ = 30°. The book begins with zero kinetic energy. What is its speed at the end of the displacement?
asked by tom 
math
the sides of a triangle are xcm,x+3cm and 10cm.if x is a whole number of cm,find the lowest value of x
asked by debby 
Math
Adult tickets for the school play cost $5 and student tickets cost $3. Thirty more student tickets were sold than adult tickets. If $1770 was collected, how many of each type of ticket was sold?
asked by Hannah 
chemistry
A 25.0mL sample of H2SO4 is neutralized with NaOH. What is the concentration of the H2SO4 if 35.0 mL of 0.150 M NaOH are required to completely neutralize the acid?
asked by tiya 
Math
10. A coin is loaded so that the probability of heads is 0.55 and the probability of tails is 0.45, Suppose the coin is tossed twice and the results of tosses are independent. a.What is the probability of obtaining exactly two heads? b.What is the
asked by Renee 
Chemistry
What is the molarity of a 25.0% (v/v) aqueous isopropyl alcohol solution? the density of isopropyl alcohol ( C3H8O, molar mass 60.1g/mol) is 0.786g/ml
asked by Anonymous 
poetry part 2
14. The theme of Sandburg's poem "Grass" is A. freedom. B. forgetfulness. C. peace. D. war. . I read the poem and put war since it was most logical but its not the right answer. i know its either B or C but im not sure and i need to get this right. Can
asked by mariya 
College Chemistry  Science
At room temperature (25°C), 45 mL of a 0.002 M acid solution reacts with 30 mL of a NaOH (aq) solution (pH = 11.95), determine (through calculations) whether the acid is phosphoric acid (H3PO4), acetic acid (CH3COOH), or carbonic acid (H2CO3).
asked by Anonymous 
math
1. How many cubes are in the base of the model? (1 point) 3 4 7 2 2. How many cubes would be shown in the right view of the model? (1 point) 3 6 7 4 3. Which of the following is the top view for the model? (1 point) assessment question three answer a
asked by anonymous 
arithmetic
The ratio of the sum of the first 8 terms of a G.P. to the sum of the first 4 terms of the same G.P. is 97:81, where the common ratio of the G.P. is a real number. What is the common ratio?
asked by priya 
Geometry
A circle with a radius of 1/2 ft is dilated by a scale factor of 8. Which statements about the new circle are true? Check all that apply. A.The length of the new radius will be 4 feet. B.The length of the new radius will be 32 feet. C.The new circumference
asked by anon 
College Chemistry  Science
In an acidbase experiment at 25.0°C, a sodium hydroxide solution was standardized against KHP. The average value for the concentration of the sodium hydroxide solution was calculated to be 0.0125 M. This solution was used to titrate the phosphoric acid
asked by Anonymous 
ela
in the poem lineage what does they mean
asked by Sophia 
Math
2)Banquet Seating A banquet hall offers two types of tables for rent: 6person rectangular tables at a cost of $26 each and 10person round tables at a cost of $51 each. Kathleen would like to rent the hall for a wedding banquet and needs tables for 250
asked by Claudia 
Geometry
Which reason justifies that BD = BC + CD? a. Addition property b. Symmetric Property c. Segment Addition Postulate d. Ruler Postulate I't thinking its Addition Property but then again I'm probably completely wrong...
asked by Kylee 
statistics
the average score on the statistics quiz was a 70, and there was a standard deviation of 10 points. If the zsocre was 1.0 what is the percentile rank?
asked by kim 
chemistry
Sodium thiosulfate, Na2S2O3, is used as a fixer in photographic film developing. The amount of Na2S2O3 in a solution can be determined by a titration with iodine, I2, according to the equation: 2Na2S2O3(aq) + I2(aq) > Na2S4O6 +2NaI(aq). Calculate the
asked by Muhammad 
Science
In an effort to reduce global warming, individuals and companies have been buying __________________ to fund restorative projects Can someone please help me I am thinking Carbon Filters but i think that might be wrong
asked by Tamara 
Geometry
A rectangle has an area of 6 square meters. What will be the area of the rectangle if each side length is increased by a factor 5? A. 11 square meters B. 30 square meters C. 125 square meters D. 150 square meters I think the answer is B
asked by anon 
Geometry
A trapezoid has a perimeter of 14 feet. What will the perimeter be if each side length is increased by a factor 7? A. 21 feet B. 98 feet C. 196 feet D. 686 feet This one is def B correct?
asked by anon 
Physics
Two objects with masses represented by m1 and m2 are moving such that their combined total momentum has a magnitude of 16.3 kg · m/s and points in a direction 71.5° above the positive xaxis. Object m1 is moving in the x direction with a speed of v1 =
asked by Sean 
science
An airplane pilot sets a compass course due west and maintains an airspeed of 225km/h . After flying for a time of 0.520h , she finds herself over a town a distance 122km west and a distance 15km south of her starting point. Part A Find the magnitude of
asked by sanele 
Geometry
A triangle is enlarged by a factor of 3. The perimeter of the new triangle is 36 feet. What could be the lengths of the sides of the original triangle? A. 3 feet, 4 feet, and 5 feet B. 1.5 feet, 1.25 foot, and 1.25 foot C. 2 feet, 0.5 feet, and 1.8 feet D.
asked by anon 
chemistry
Predict the prdeucts of the following acid/base and precipitation reactions and balance the equations. Remeber to indicate (s), (l) or (aq Q1. HCI(aq) + Mg(OH)2(aq)> Q2. Pb(NO3)2(aq)+ Na2S (aq)> Q3. write the ionic equation for question 2.
asked by Kay 
Geometry
A rectangular prism has a base that is 5 cm by 7 cm and a height of 12 cm. If all dimensions are doubled, what happens to the volume? A. When the dimensions are doubled, the volume is twice the original volume. B. When the dimensions are doubled, the
asked by anon 
Science
which property of nutrients shows that they are a type of matter? A. Nutrients are colorful B.Nutrients can do work C. Nutrients contain energy D. Nutrients have mass
asked by Anne 
history
The term Bourbon A.celebrated the French origin of many of the New South leaders B.derived from the French Bourbons who, according to Napoleon, forgot nothing and learned nothing through the ordeal of the French Revolution C.reflected the fact that some
asked by alex 
Reading skills
Which one of the following words or phrases may be a clue that a sentence is inferring cause and effect? A. On the other hand B. Instead of C. Before D. Consequently
asked by Tazkiyah 
business
i need help with this essay can someone help its for paralegal studies introduction to computers. Prepare and submit a proposal to Bill that gives your suggested solution to his business plan. Provide Bill with the details of what he needs to purchase in
asked by elisha 
chemistry
1) List a series of tests that would determine the order of activity (least active to most active) for Zn, Mn, and Ag. 2) What would be the reaction for the addition of excess OH ions to Mg(NO3)2 and Cu(NO3)2? This is a complex ion forming reaction. Would
asked by Sandy 
Physics
A baseball with a mass of 150 g is thrown horizontally with a speed of 39.5 m/s (88 mi/h) at a bat. The ball is in contact with the bat for 1.15 ms and then travels straight back at a speed of 45.0 m/s (101 mi/h). Determine the average force exerted on the
asked by Elaine 
Chem
What is the product for the reaction of Ni(s) + 2Na^+(aq)? I don't think this is possible no?
asked by Selena 
Chemistry
describe how you would prepare 500.0 ml of 0.400M NaCl solution, starting from solid NaCl
asked by Anonymous 
Geometry
The circumference of a circle changes from 20 to 4 after a dilation. What was the scale factor of the dilation? A. 1/25 B. 1/5 C. 5 D. 25
asked by anon 
MATH
A financial consultant wishes to invest up to a total of $33,000 in two types of securities, one that yields 8% per year and another that yields 6% per year. Furthermore, she believes that the amount invested in the first security should be at most
asked by Claudia 
Math
The student activities department of a community college plans to rent buses and vans for a springbreak trip. Each bus has 40 regular seats and 1 handicapped seat; each van has 8 regular seats and 3 handicapped seats. The rental cost is $305 for each van
asked by Claudia 
psychology
which of the following is not a motive for pro social behavior? egoism, collectivism, idealism, Principlism
asked by renee 
Chem
What will the products be for Ni(s) + 2Na^+(aq)? I don't think this is even possible, so will this reaction even be possible?
asked by Selena 
Chemistry  Science
In an acidbase experiment at 25.0°C, a sodium hydroxide solution was standardized against KHP. The average value for the concentration of the sodium hydroxide solution was calculated to be 0.0125 M. This solution was used to titrate the phosphoric acid
asked by Anonymous 
Biology
1. A heterotroph A. Is an autotroph B. eats other organisms C. Is a primary consumer D. A and c Is it d? 2. A scavenger A. Is an autotroph B. eats decomposing matter C. Kills animals D. All of the above Is it d?
asked by Anonymous 
English Answer Check
Do my answers to these questions make sense? These questions regard the poem "Jabberwocky." 1. One critic said that "Jabberwocky," despite its odd language, tells a story like many legends of knights and dragons. Do you agree? Why or why not? A: I agree
asked by Anonymous 
Algebra
Solve the following systems of equations using the addition (elimination) method. 2x+3y=5 2xy=1
asked by Steveo 
Precalculus
Find the sum of all possible values of the constant k such that the graph of the parametric equations x=2+4cos(s) and y=k4sin(s) intersects the graph of the parametric equations x=1+cos(t) and y=3+sin(t) at only one point.
asked by John 
Physical Science
An ultrasonic wave in water is a compression wave that travels at 1,400 m/s A) An ultrasonic wave from a ship travels to the bottom of a lake and back in 0.16s. How deep is it at this point? B) If an ultrasonic wave is emitted in the ocean where the
asked by Charles 
Science to: DrBob222
1. Explain why the melting points of ionic compounds and molecular compounds differ? 2. A.) What laboratory procedure allows you to test a compound is ionic or molecular? b.) what results would you expect? 3. A.) What do we call the smallest particle of an
asked by Anonymous 
math
Determine the number of solutions for the following system of equations 2x+5y=7 10y=4x+14 1)Exactly one solution 2)No solutions 3)infinite solutions 4)Exactly 2 solutions I solved the equations and got y=72X/5 y=4X+14/10 and I said infinite solutions.
asked by B8 
programming
Write a program which allows user to enter 10 student names and scores for Java programming 1 and Java programming 2. Allow user to choose which course they want to enter the record for. Use the loop to ask input from user. The program should store data
asked by Java 
Math
The area of a rectangle is 32 in.² the length is twice the width. what is the perimeter of the rectangle?
asked by Abby 
history
Progressives concerned with social justice called for (circle three) A. an end to slavery B. regulation of work hours for women C. prohibition D. equal pay for equal work (for women) E. supralapsarianism F. stricter building codes and factory inspections I
asked by alex 
Physics
A skydiver steps out from a helicopter and falls 5s before reaching her terminal velocity of 50 mi/h. Her acceleration just before reaching terminal velocity is what?
asked by Becky 
math
The Mills Lunch Shop prepares fresh takeout entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells the dinners at an 80% markup based on cost. They decided
asked by Chris 
Intermediate Algebra
Given f(x)=5+6xx^2 find and simplify. A)f(t2)=____? B)f(z+h)f(z)=____? C)f(b)+3=_____?
asked by Stumped 
Chemistry: Check my answers please!
How would each of the following affect the Cr(VI) concentration determined in this experiment? Justify the answers with an explanation. In the experiment, absorption spectroscopy was used to obtain the concentration of Cr(VI) ions. 1) A student adds more
asked by Sandy 
Math
Given cot u=2/5 and cos v=3/5 find tan(u+v) assume 0
asked by Blaire 
Algebra
Given f(x)=5+6xx^2 find and simplify. A)f(t2)=____? B)f(z+h)f(z)=____? C)f(b)+3=_____?
asked by Student 
retired disabled vet
Please help. To build a straight tapered fishing rod and I start at the butt or big end, the measurment is 400 thousands. if rod tip is 75 thousands. if i stsrt at butt end what will the meaqsurments be at 5" intervals. ie butt,5" 10" 15" ect. rod will be
asked by Bernie Stark 
MATH
can somone help! 7ã2*3ã9
asked by WINSTON 
Chemistry
3) A student mistakenly uses the cuvette containing the most dilute standard solution, rather than the cuvette containing deionized water, as the blank solution. I don't understand why there would be lower concentration of Cr(VI) ion...
asked by Selena 
MATH
help 16^2ã24/6ã56
asked by WINSTON 
Chemistry
How would each of the following affect the Cr(VI) concentration determined in this experiment? Justify the answers with an explanation. In the experiment, absorption spectroscopy was used to obtain the concentration of Cr(VI) ions. 1) A student adds more
asked by Sandy 
PLS HELP NUTRITION
IRON DEFICIENCY ANEMIA PLEASE GIVE ME SOME IDEAS:) I HAVE MANY LINKS ALREADY Identify a government policy or health information that would have resulted from research of this condition or been developed to prevent this condition. How effective are the
asked by Deepa 
Chemistry
How would one be able to identify the lambda max of Cr(III) at a concentration less than 70ppm from a graph? I couldn't post the graph, but I don't understand how one would be able to do this? The graph had the Chromium Absorbance Spectra of 70ppm for
asked by Sandy 
Chemistry
How would one be able to identify the lambda max of Cr(III) at a concentration less than 70ppm from a graph? I couldn't post the graph, but I don't understand how one would be able to do this? The graph had the Chromium Absorbance Spectra of 70ppm for
asked by Sandy 
Geometry
if m
asked by Kylee 
Chem
How would one be able to identify the lambda max of Cr(III) at a concentration less than 70ppm from a graph? I couldn't post the graph, but I don't understand how one would be able to do this? Can you please justify the answer with an explanation? I would
asked by Sandy 
Algebra
Arrange the terms of the polynomial in ascending powers of b. 25db^57dm+3b^106db^6 Please tell me if I am correct on my answer? I got: 25b
asked by Chris 
Physics
A stunt motorcyclist is attempting to jump over a river of width 60m using a ramp which is inclined at 30 degrees to the horizontal. Assume the height of the ramp is small enough to be ignored in the calculations. a) What is the minimum speed the stunt
asked by Bonnie 
Social Studies
Example of ACROSTIC POEM ON THE EXPLOER Vasco Nunez de Balboa using on his last name Balboa.
asked by Hayden 
maths
now there is a pool, the height of the pool is 48cm and the width is 2m, now 3 quarters are full, what will be the final answer in litres?
asked by anna 
math
Andrew wants supplement his pension with investment interest if he invests 28,000 at 6% interest how much would he have to invest a t 7% to achieve the goal of 3,000 per year in supplemental income.
asked by rose 
Algebra
Sorry I submitted before finishing my input. Arrange the terms of the polynomial in ascending powers of b. 25db^57dm+3b^106db^6 Am I correct? Please help? My answer is: 25b^5d7dm+3b^106b^6d=3b^106b^6d+25b^5d7dm
asked by Chris 
math
Prove that the real numbers with the operation of addition is a group but that the real numbers with the operation multiplication is not a group
asked by geeta 
Maths Literacy,Life Sciences,History,Geography
Would i be a teacher with these subjects
asked by Tebogo 
Geometry
Solve for x: 3x + 20 and 2x + 24
asked by Kylee 
Math
One side of a triangular banner is 1 ½ times longer than the second side and 2 cm shorter than the third side. The perimeter of the triangle is 98 cm. How long is the shortest side?
asked by christian 
Math
A shipe leaves NY for San Fransisco on the first of every month at noon. At the same time, a ship leaves San Fransisco for NY. Each ship arrives exactly 6 months after it leaves. If you were on a ship from NY, how many ships from San Fransisco would you
asked by 7 
science
A man stands on the roof of a building of height 15.8m and throws a rock with a velocity of magnitude 25.2m/s at an angle of 32.7∘ above the horizontal. You can ignore air resistance. Part A Calculate the maximum height above the roof reached by the
asked by sanele 
PreCalculus
Find N if log base 6 (6^7.8)=N
asked by Aly 
english
Twice as long. Or. Two times longer
asked by marion 
Math question
I am a two digit number I have a 6 in the tens place I am even I have a 1 in me What am I?
asked by Anonymous 
Science
The slevator starts at 1st floor and accelerated 1m/s^2 for 6 seconds and continues at a constant velocity for 12 seconds more and is then stopped in 4 seconds with constant deceleration. If the floors are 3 meters apart at what floor does the elevator
asked by Thor 
math
rules find 1/4 of the input find 1/8 of the input input output 16 ___ 20 ____ 80 ____ 32 ____ 40 ____ 18 ____
asked by alliyah tiqui 
chemistry
calculate the number of molecules found in 4.50 g of water
asked by meriah 
Trig
given that sinx=3/4 and cosy=5/13 and both x and y are in quadrant II, find the exact value of cos(xy)
asked by Blaire 
math
how many time I can arranged the word MAHABHARAT thatB and T never come togather .first four place MATH not come.
asked by ajit 
Algebra
A ship leaves NY for San Fransisco on the first of every month at noon. At the same time, a ship leaves San Fransisco for NY. Each ship arrives exactly 6 months after it leaves. If you were on a ship from NY, how many ships from San Fransisco would you
asked by glass0 
Math
The 3rd term of a geometric series is 18 , and the 5the term is 162 .Determine the sum of the of the first 7 terms ,where r < 0
asked by shantel 
Science
A gas has a volume of V1 = 550 mL. If the temperature is held constant, what volume would the gas occupy if P2 = 22 P1? Answer in units of mL
asked by Angela 
Math
Simplify: cos(pi/2+x)sin(x)
asked by Blaire 
interpersonal communication
According to researchers, which of the following is NOT a condition of forming a friendship
asked by Anonymous 
Chemistry
Divers know that the pressure exerted by the water increases about 100 kPa with every 10.2 m of depth. This means that at 10.2 m below the surface, the pressure is 201 kPa; at 20.4 m below the surface, the pressure is 301 kPa; and so forth. If the volume
asked by Angela 
pre algebre
nee help adding/subtracting fractions, x represents a number, solve by writing answer as integer or simple fraction.
asked by tee 
PreCalc
Solve for x: log base27 (2x1) = 4/3
asked by Aly 
Algebra
Arrange the terms of the polynomial in ascending powers of b. 25db^57dm+3b^106db^6 My answer is: Am I correct? 25b^5d7dm+3b^106b^6d=3b^106b^6d+25b^5d7dm
asked by Student 
C++
A c++ program which convert from decimal, octal & hexadecimal to binary equivalent with array concept.
asked by Ayk 
PreCalc
Eliminate the parameter x = abs(t3) and y = t + 3...how do you undo the absolute value in order to get y=?
asked by Megan 
physics
two points of charge values Q and q are placed of x and x/2 respectively from third charge of value 4q, all charges being in the same straight line. calculate the magnitude and nature of charge Q such that the net force experienced by the charge q is zero?
asked by meena 
Math
Prove: [(tan^2theta+1)(cos^2theta1)]=1sec^2theta
asked by Blaire 
mat116
consider the following system of equations y=3x7 andy3x=5 what can you conclude about the system of equations
asked by csrla 
mat 116
identify the solution(s)of the system of equations, if any 2x4y=1 and 12y=6x3
asked by csrla 
Social Studies
1. Why was Lewis and Clark sent out to discover land? 2. Why was Vasco da Gama sent out to discover land?
asked by Hayden 
mat 116
two large storage tanks, T and W contain water. T starts losing at the same time additional water starts flowing into W. The graph below shows the amount of water in each tank over a period of hours. Assume the rates of water loss ad water gain continues
asked by csrla 
Dividing decimals
How do you solve 49.05 divided by 2.5. Need to see step by step process.
asked by Elle 
trigonomentry
Ada travels from A on a bearing of 60˚ to station B on a distance of 15km.she then leaves to station C 10km away from B due east of station
asked by anna 
Chemistry
Determine the sulfate ion concentration in a solution prepared by diluting 15.00mL of a 0.200M aluminum sulfate solution with 35.00mL of water. Assume the volumes are additive.
asked by Carley 
math
6,12,6,8,10,12,8,14,16 find mean medion mode and standerd deviation
asked by ajit kumar 
U.S. History
by the 1890s how did cubans view spanish rule
asked by anonymous 
Math
In each of the following, relationships among marked angles are given below the figure. Find the measures of the marked angles. DOC = 3/4m( COB = BOA = COB = m( COA = BOA =
asked by Mandi 
Calculus Help
Let P(t) be the percentage of Americans under the age of 18 at time t. The table gives values of this function in census years from 1950 to 2000. (I didn't put the table here because it will not display well so the table has basically t as time from 1950
asked by Tim 
mathematics
solve for x (x+2)^2=16
asked by minkie 
Math
A financial consultant wishes to invest up to a total of $33,000 in two types of securities, one that yields 8% per year and another that yields 6% per year. Furthermore, she believes that the amount invested in the first security should be at most
asked by Claudia 
chem
A student determines the composition of a copper chloride compound. Tell whether each of the situations described below would cause the student’s experimental value for the percent of copper in the compound to be greater than less than, or unchanged from
asked by Anonymous 
english
what does they mean in the poem lineage
asked by Anonymous 
English
How do changes in schools because of Title IX have an effect on the workplace
asked by Victoria 
LA  1 question pls help!!!
hi, one question based on the short story called, "Cyber Chitchat" this one confuses me, pls help if u know the book! 8. The tone of "Cyber Chitchat" is (1 point) serious. humorous. depressing. angry. i think its humorous but im not so sure..... pls help
asked by TTR+S<3 
Chemistry: HELP! PLEASE
a) Addition of Na2S2O3 to I2+I>I3 in an aqueous layer will turn the solution clear and colourless. Write an equation explaining this observed colour. b) Addition of Na2S2O3 to I2+I>I3 in an varsol layer will turn the solution pink. Write and equation
asked by Natasha 
Art and Creative Development
Manipulating and transforming ideas and materials indicates
asked by Sandra 
chemistry
What is the product for Ni(s) + 2Na^+? I don't think this is possible. Am I wrong?
asked by Sandy 
geometric progresions
The ratio of the sum of the first 8 terms of a G.P. to the sum of the first 4 terms of the same G.P. is 97:81, where the common ratio of the G.P. is a real number. What is the common ratio?
asked by priya 
Math
A marble is 12mm in diameter what is the smallest height of a box that is 96mm square that can hold 200 marbles and still have the lid fit on without interference?
asked by valina M. Luera 
A & P
Infant bones are very soft and pliable because of A. cartilage formation throughout the body. B. fluid accumulation between collagenous fibers. C. mineral deposition in select areas of the body. D. incomplete ossification at birth. Can anyone tell me the
asked by Diana 
physics Sound
The 2nd harmonic of a string of length 60 cm and linear mass density 1.1 g/m has the same frequency as the 5th resonance mode of a closed pipe of length 0.8 m. Find the tension in the string.
asked by Help please as soon as possible please!!!! 
physics Sound PLEASE HELP ASAP!!! PLEASE
The 2nd harmonic of a string of length 60 cm and linear mass density 1.1 g/m has the same frequency as the 5th resonance mode of a closed pipe of length 0.8 m. Find the tension in the string.
asked by Shek 
EnglishPlease, help me!
1. You can often tell the part of speech of a word even if you do not understand it. Identify the part of speech of three of the madeup words in this poem. Explain how you arrived at each answer. (Three madeup words are wade, gimble, gyre). 2. How can a
asked by Anonymous 
Geometry
how do I set up this problem a man standing on the deck of a ship with his eyes 25 feet above sea level notes that the angle of elevation to the top of a 25 foot lighthouse is 3 degrees 27 minutes. how far is the boat from the lighthouse
asked by Maryellen 
Chemistry
How would applying an external pressure on the following equilibrium affects the distribution of iodide between the polar (aqueous) and non polar (varsol)
asked by Sarah 
Polynomial
Arrange the terms of the polynomial in descending powers of p. 13rp4r^4p^44r^2p^3 Is my answer correct? 4r^4p^44r^2p^313rp
asked by Student 
Biology
What are secondary consumers considered as? Are the carnivore, omnivore, herbivore. Hint: there are two answers
asked by Anonymous 
Physics
An explosion breaks an object into two pieces, one of which has 2 times the mass of the other. If 22500 J were released in the explosion, of which 21% is heat, how much kinetic energy did each piece acquire?
asked by Anonymous 
Math
A family wants to travel at least 420 miles in 8 hours of driving. What must be their average rate of speed? What would be the inequality formula?
asked by Anonymous 
Algebra
Arrange the terms of the polynomial in descending powers of p. 13rp4r^4p^44r^2p^3
asked by Student 
Algebra
A 5x7 photo us enlarged so that it's new dimensions are 10x14. How does the area of the enlarged photo compare to the area original photo?
asked by Shirley 
science
A copper calorimeter of mass 150g, was half filled with water of mass 300g and temperature 0 degrees celcius. 5g of ice at 0 degrees celcius was added to the content, later some quanity of steam was passed into the mixture and the temperature rose by 20
asked by Tomex 
reading
If I got a 92 on my mid term then got a 50 on a worksheet the following day then what would be my average
asked by naomi 
physics
A copper calorimeter of mass 150g was half filled with water of mass 300g and temperature 0^C. 5g of ice at 0^C was added to the content, later some steam was passed into the mixture and the temperature rose by 20^C. Calculate the quantity of steam added.
asked by tomiwa 
mat 116
Y=2x20. Substitute the known value of x into y=2x20. Then solve for y.
asked by pharah 
Physics
A driver in a car traveling at a speed of 72 km/h sees a cat 107 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 104 m?
asked by Steph 
AMERICAN HISTORY
IN WHICH OF THE FOLLOWING COLONIAL WARS DID THE AMERICAN COLONIST CAPTURE THE FORT AT LOUISBOURG AND BEGIN TO CRAVED DOMINATION OVER THE ENTIRE WESTERN REGION THAT INCLUDES THE OHIO VALLEY A.QUEEN ANNES WAR B.KINGS GEORGES WAR C.KING WILLIAMS WAR D.WAR OF
asked by MARY 
Accounting
Jane has a $35,000 bank loan that she wishes to pay off in five equal annual payments with 12% interest. If the first payment is due one year from today, what will be the amount of the annual payment necessary
asked by Anonymous 
Algebra
Mary has a total of $5000 invested in two accounts. One account pays 5% and the other 8%. Her interest in the first year was $331. Write and solve a system of equations to find out how much she has invested in both accounts.
asked by BrianP 
Algebra
The length of a pool is 3 feet more than twice its width. If the perimeter of the pool is 72 feet, find the dimensions of the pool by writing and solving a system of equations.
asked by BrianP 
Language Arts
In the sentence: You can wallpaper the room yourself. Would this sentence have 2 verbs  can, wallpaper? Thanks...
asked by Brandi 
Algebra
Two apples and three pears cost $3.45. Three apples and five pears cost $5.55. Find the cost of each type of fruit.
asked by BrianP 
Algebra
A party planner can spend a maximum of $5000 on food. If the chicken dinner (x) costs $20 and the steak dinner (y) costs $25, make a graph of the region that shows the possibilities for the number of chicken and steak dinners that can be purchased while
asked by BrianP 
english
i need help writing an essay on lord of the rings
asked by ds 
Algebra
Solve the following systems of equations using the addition (elimination) method. What type of system is it? Name the solution if there is one. 13. x+y=6 xy=4
asked by Steveo 
Math
2. If mangle sign1=37°, what is mangle sign4? 53° 43° 37° 27° If mangle sign1 = 55°, what is mangle sign5? 55° 40° 35° 25°
asked by anonymous 
Science urgent
1. Explain why the melting points of ionic compounds and molecular compounds differ? 2. A.) What laboratory procedure allows you to test a compound is ionic or molecular? b.) what results would you expect? 3. A.) What do we call the smallest particle of an
asked by Anonymous 
Algebra
Solve the following systems of equations using the addition (elimination) method. 5x+y=2 3x+y=1
asked by Steveo 
Science help
For each of the following what type of smallest particle would exist? explain your reasoning? a.) strontium B.) CaCl2 C.) CCl4 D.) SO2 E.) helium F.) bromine G.) MgO Thanks :):):):)
asked by Anonymous 
Algebra
Solve the following systems of equations using the addition (elimination) method. 5x=20+y 16=3y+4x
asked by Steveo 
Math, precalculus
Write an equation for the hyperbola with vertices (7,5),(5,5); foci (11,5),(9,5)
asked by Praphul 
Math
In a right triangle, the measure of the legs are 20 and 3x, and the measure of the hypotenuse is 4x+1. Find the value of x.
asked by Dylan 
Physics
A pendulum bob with a mass of 0.4 kg is released from a position in which the bob is 20 cm above the low point in its swing. What’s the speed of the bob as it passes through the low point in its swing?
asked by Jennifer 
chem
Please calculate the energy involved in the following chemical reaction, given the values below: 2Ag + H2S > Ag2S + H2 24 33
asked by lost girl 
Physics  check answers please
1. what is 67 K equivalent to in Celsius? answer: 206.15 C 2. what is 458.9 Celsius in K? answer: 732.05 3. heat is closely related to: a)temperature b)thermal energy c)force d)convection currents answer: b 4. What does a low efficiency score reveal about
asked by Lisa 
Math precalculus
Write an equation for the hyperbola with center(0,5); asymptotes y=+_ (19 square root6x)5 , conjugate axis length of 12 units (+ or square root of 19 times x divided by 6 )5
asked by Praphul 
English
I m doing an analysis question on a poem called Question by May Swenson. The question says: Describe the prosody of the poem and comment on the effect of the initial substitutions of the meter. I do not even know where to start with this question, if you
asked by Amanda 
Mata
Te slope of the roof is 2/3. If the width of the house is 78 feet,what is the height of the roof, in feet? Assume the roof creates an isósceles triangle
asked by Anonymous 
Chemistry
1.If the atmosphere can support a column of mercury 762 mm high at sea level, what height of water could be supported? The density of water is approximately 114 that of mercury.Answer in units of mm 2.If the atmosphere can support a column of mercury 762
asked by Alex 
MATH
Kevin has 9 stamps that have the image of a boat on them. If this is the 30% of the total collection of stamps Kevin has, how many stamps does he have?
asked by BRYANNA 
chem
Please calculate the energy involved in the following chemical reaction, given the values below: 2Ag + H2S > Ag2S + H2 24 33
asked by lost girl 
Precalculus
Let G be the graph of the parametric equations x=cos(4t)and y=sin(6t). What is the length of the smallest interval I such that the graph of these equations for all t in I produces the entire graph G?
asked by John 
Precalculus
A lattice point is a point with integer coordinates. How many lattice points (x,y) with 100 less than or equal to x less than or equal to 100 and 100 less than or equal to y less than or equal to 100 are on the graph of the parametric equations x=3040
asked by John 
calculus
Skeletal remains had lost 70% of the C14 they originally contained. Determine the approximate age of the bones. (Assume the half life of carbon14 is 5730 years. Round your answer to the nearest whole number.)
asked by angie 
chemistry
How many molecules are in 0.400 moles of N2 O5?
asked by yessica bonilla 
Calculas
The slope of the tangent line to the graph of a function, h(t) is 7/2t The function passes through the point (5,3) Find h(4)
asked by ryan 
cHEMISTRY
i don't know how to write chemical formulas is it like nomenclature because i need to balance equations (which i know how if the equation is given to me the symbols type but not in words), i need to write skeletal equations but i don't know if they are
asked by Sam 
Physics
To save fuel, some truck drivers try to maintain a constant speed when possible. A truck traveling at 110.0 km/hr approaches a car stopped at the red light. When the truck is 211.7 meters from the car the light turns green and the car immediately begins to
asked by Yarielis 
Food and Nutrition
IRON DEFICIENCy ANEMIA: a)Identify factors that have contributed to the condition (social; geography; etc.) b) Describe factors (including diet and nutritional needs) that aid in the prevention and/or treatment/management of the health condition and
asked by Deepa 
physics
A 2.7kg block is moving to the right at 1.0 m/s just before it strikes and sticks to a 2.2kg block initially at rest. What is the total momentum of the two blocks after the collision?
asked by Anonymous 
Physical Science
The air temperature on a certain day is 86 degrees F A)Convert to Celsius? B) Calculate the sound of speed in air? C)When a 653Hz tornado siren is turned on, the sound takes 2.3s to reach an observer. How far is the observer from the main siren, and what
asked by Charles 
Physics
You are at standing at a window in the University tower that is 42.0 meter above the ground. Your physics professor (who is 2.12 m tall) is walking on the ground below, approaching to tower at a speed of 1.12 m/s. You are holding an egg, which you would
asked by Yarielis 
French
How do you say senior center in French?
asked by Anonymous 
English
For vocabulary workshop, Unit 11 # 19. Her ability to _______ the words and gestures of prominent Americans makes her an excellent comic impressionist. Is the answer: parody ???
asked by Jana 
English Answer Check
How should I revise my answer? These questions regard the poem "Jabberwocky." 1. One critic said that "Jabberwocky," despite its odd language, tells a story like many legends of knights and dragons. Do you agree? Why or why not? A: I agree with this
asked by Anonymous 
A Peculiar Question
How brief should a 3paragraph summary be?
asked by Anonymous 
Chemistry
An atmospheric scientist interested in how NO is converted into NO2 in urban atmospheres carries out two experiments to measure the rate of this reaction. The data are tabulated below. A: [NO]0 = 9.63 × 103 M, [O2]0 = 4.1 × 104 M t(s)
asked by Serena 
mat 116
What is the coefficients of y=2x4 y=2x+1
asked by pharah 
Intermediate Algebra
Given f(x)=5+6xx^2 find and simplify. A)f(t2)=____? B)f(z+h)f(z)=____? C)f(b)+3=_____?
asked by Student 
Chemistry
A solution is prepared by placing 27.8 g of KCl in a 0.700 L volumetric flask and adding water to dissolve the solid, then filling the flask to the mark. What is the molarity of an AgNO3 solution if 22.1 mL of the KCl solution react exactly with 43.0 mL of
asked by Ali 
Language Arts
Is the sentence below compound or compound complex? (I wasn't sure if "than I do" is a subordinate clause) Tanya drives better than I do, but I can swim faster? Thanks...
asked by Brandi 
Physics
A cannon ball is fired from ground level with a speed of 86.0 m/s at an angle of 32 deg. above the horizontal. A 8.5 m tall wall is located 265 m away from the cannon. By how much does the cannon ball clear the wall? In the previous problem, what is the
asked by Yarielis 
Physics
An astronaut on the planet Vimrom IV finds that she can jump a maximum horizontal distance of 12.00 m if her initial speed is 4.90 m/s. What is the acceleration due to gravity on this planet? In the previous problem, what is the maximum height about the
asked by Yera 
Physics
A projectile is fired such that its horizontal range is equal to 2.5 times its maximum height. Find the angle the projectile was fired at
asked by Yera 
math
a telephone pole is 64 feet long and 5/16 of the pole must be underground a) what fraction of the pole is above ground
asked by john 
Algebra
If 3 is subtracted from the numerator of a fraction, the value of the fraction is 1/2. If 6 is added to the denominator of the ORIGINAL fraction, the value of the fraction is 1/2. What is the original fraction?
asked by Angela 
Math
I have two math problems I need help with Percent proportions 1. 62% of 146 is what number? 2. 18.4% of 880 is what number?
asked by Anonymous 
Food and Nutrition
IRON DEFICIENCY ANEMIA PLEASE GIVE ME SOME IDEAS:) I HAVE MANY LINKS ALREADY Identify a government policy or health information that would have resulted from research of this condition or been developed to prevent this condition. How effective are the
asked by Deepa 
world issues
A woman goes out running. She first travels 5.2km north. She then turns and travels 3.6km west. Finally, she turns If a bird were to start out from the origin (where the woman starts) and fly directly (in a straight line) to her final location, what
asked by Anonymous 
English
I am writing about an argument advertising essay and right now I am writing about the the NERF Firestrike blaster. In the commercial it uses a fast, upbeat music but how do I relate it to "fire" (how is fire similar to upbeat and fast"?
asked by Emma 
physics
The spring constant of the spring in the ﬁgure is 25 N/m, and the mass of the object is 4 kg. The spring is unstretched and the surface is frictionless. A constant 18 N force is applied horizontally to the object (stretching the spring). v0 = 0 Find the
asked by Anonymous 
PreCalc
Eliminate the parameter x = t^2  1 and y = t^2 + t
asked by Jackie 
College Cultural Geography
Can someone explain what this paragraph is talking about? I do not understand it. "But Western universalism, again, has two faces: it also promotes the principles of liberty and equality throughout the world. It is not possible to proclaim global human
asked by Ann 
Science
1 cup has 6/4 of water in it cup 2 has half of cup 1. What is cup 2?
asked by Anonymous 
Chemistry
A weather balloon with a volume of 3.86934 L is released from Earth’s surface at sea level.What volume will the balloon occupy at an altitude of 20.0 km, where the air pressure is 10 kPa? Answer in units of L
asked by Lisa 
english
how do I find the verb in a sentence
asked by jca 
education
prepare and submit a proposal to bill that gives your suggested solution to his business plan. provide bill with the details of what he needs to purchase in order to have what he needs to conduct his business using today's technology, make sure you include
asked by elisha