Posts by Aly

Total # Posts: 275

Physics
6m due south,10m due east and 5m due north. Find the distance traveled and the displacement of the vector

Chemistry
Calculate the number of moles of solute in 497.2 L of 0.815 M sodium cyanide?

English
(1) I get a kick out of creating model airplanes. (2) I've been making them since I was knee-high to a grasshopper. (3) My grandfather used to fly bush planes in the Outback. (4) He would tell me stories and say that he and I were two peas in a pod. Which sentence in the ...

Math
the ratio of the base of an isoceles triangle to one of the legs if the base is 10cm long and the leg is 4 cm less than twice the length of the base

Math
Oh sorry. I did not notice the variation of the units.

Math
1:19

Math
1/4, 1/2, 5/6

math
3/4 of 100 is 75. 9/20 of 100 is 45 so she gave 45 cranes to Brittany which means Ava has 55 cranes now. 75+45=120. 1/4 of 120 is 30 so she gave 30 to Ava so Brittany now has 90. 90-55=35, so the answer is 35 cranes.

math
At 6 A.M., Dylan and his neighbor, Mickey, drove in their cars to a city that was 300 miles away from their neighborhood. When Dylan reached the city, Mickey had 50 miles to go. He finally completed the trip 48 minutes later. A) How long did it take Mickey to drive to the city...

Math
Sam had foreign stamps and local stamps. After giving 1/4 of his foreign stamps and 11 local stamps, he had an equal number of foreign and local stamps. How many local stamps did he have in the beginning? I got 32 for the answer by guessing and checking but what equation would...

Math
Emilio left Main Road at 8 A.M and arrived at Lame Lane at 2 P.M. His average for the whole journey was 60 mph. For the first 70% of the trip, he drove at an average speed of 65 mph. For the next 25% of the remaining trip, his average was 54 mph. Find his average speed for the...

physics
a 45N force is applied to a 9.6 kg object, what is the acceleration.

CHEM QUESTION!
I understand it now, thank you so much!

CHEM QUESTION!
I did a lab on the colorimetric determination of iron concentration and I'm not sure how to convert fe conc into ppm. For example, how would i convert 0.6 ug/ml to ppm?

Science Experiment Help (pt 2)
did the experiment (correctly this time), still need help with the answer to this question: What other mixture can be separated by crystallization? thnx for the help!

Science Experiment Help
Just need help answering this one question for my science experiment: "Name another mixture that could be separated like the sugar-water mixture." the sugar-water turned into caramel when I heated it... so what other mixtures do that? Thnx for the help! Aly

spanish!!!
mrs. sue or anyone!!

spanish!!!
which was not found in the ancient maya culture? pyramids hieroglyphics ball courts ** roof gardens Which is a yearly festival in the united states? National Salvadoran- american day pupusa festival ** salvadoran folkore week salvadoran new year

English
do you still have the answers for the rest of the questions??

la
Mrs. Sue, anyone?? sorry for the rush.. but this needs done soon!

la
2. Based on the context clues, what is the meaning of the word catalpa in Line 27 of the poem? (The poem is Almost Summer Sky by Jacqueline Woodson) Line 27: No, upstate they got maple and catalpa and scotch pine, A a location upstate B a species of tree**** C a family of ...

Physics
A bike pump has a 2.3 cm diameter piston that can move a maximum length of 35 cm. How much work is done on the air in the pump if the initial pressure is 1 atm and the final pressure is 4.4 atm?

Physics
A 2 kg steel ball strikes a wall with a speed of 13.9 m/s at an angle of 54.5 ◦ with the normal to the wall. It bounces off with the same speed and angle, as shown. If the ball is in contact with the wall for 0.277 s, what is the magnitude of the average force exerted on...

Chemistry
My bad that was a typo my answer stays the same though. WHat about part b.) ?

Chemistry
A 1.0 mL volume of 0.010 M H2SO4 is added to a mixture of 6 drops of 0.010 M HIO3, 14 drops of deionized water, and 1 drop of starch solution. A color change in the reaction mixture occurred after 56 seconds. a. Assuming 20 drops per milliliter for all solutions, determine the...

math
I still not got the condition plz explain... Eggs) * (Price) = 240 (Eggs + 2) * (Price - 0.5) = 240

math
I still not got the condition plz explain... Eggs) * (Price) = 240 (Eggs + 2) * (Price - 0.5) = 240 first, solve each equation above for Price

math
plz plz I need this immediately "a man sold his stack of eggs for Rs.240.if he had 2 dozen more ,he would have got the same money by selling the whole of 0.5 per dozen cheaper.how many dozen eggs does he sell?"(solution)

Algebra 1
Did you already finish the test?

Biology
What is formed when water molecules breaks apart?

Physics
A car travels due east with a speed of 40.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 54.0° with the vertical. Find the velocity of the rain with respect to ...

physics
A plane accelerates from rest at a constant rate of 5.00 m/s2 along a runway that is 1800 m long. Assume that the plane reaches the required takeoff velocity at the end of the runway. What is the time tTO needed to take off?

physics
a) What is the magnitude of the electric field at a point midway between a −8.5μC and a +8.5μC charge 8.0cm apart? Assume no other charges are nearby. b) What is the direction of the electric field?

History
5 is right

math
At 8 A.M., Dylan and his neighbor, Mickey, drove in their cars to a city that was 240 mi. away from their neighborhood. When Dylan reached the city, Mickey had 40 mi. to go. He finally completed the trip 48 minutes later. a) How long did it take Mickey to drive to the city? b...

chemistry
Thank you!

chemistry
Calculate the pH of a saturated solution of Sr(OH)2. The Ksp for Sr(OH)2 is 3.2x10^-4.

English (Reunion by John Cheever)
What is the significance of the title? Although the the story depicts Charlie's reunion with his father the word reunion id used without a definite or an indefinite article. Why?

English (Reunion by John Cheever)
In John Cheever's story reunion, what do the restaurants symbolize. Why does Charlie call hi father daddy at the end of the story? Examine the first and last sentences of the story. What is common and why? How do you interpret the ending of the story? Does Charlie accept ...

English (Urgent)
In John Cheever's story reunion, what do the restaurants symbolize. Why does Charlie call hi father daddy at the end of the story? Examine the first and last sentences of the story. What is common and why? How do you interpret the ending of the story? Does Charlie accept ...

Environmental Science
India’s prime minister puts you in charge of that nation’s population policy. India has a population growth rate of 1.6% per year, a TFR of 2.7, a 49% rate of contraceptive use, and a population that is 71% rural. What policy steps would you recommend, and why? What ...

English
What are some similarities and differences between the poems "i sing of Olaf glad and big" and "Night, Death, Mississippi"?

Environmental Science
What are some common justifications for environmental policy?

Math
Matt who stands at 68 inches tall casts an 8 foot shadow at the same time a pear tree casts a 21 foot shadow. How tall is the tree?

Algebra1
What is the domain of the following function? f(x) = √ -x + 2 - 1

THE GREAT GATSBY HELP
I'll do that, thank you

THE GREAT GATSBY HELP
What do you mean by ideals?

THE GREAT GATSBY HELP
In the book, how does Gatsby's flaws and idealism represent the best and the worst about the American Dream?

PRECALC QUESTION
Solve for "x" and "y" given the following matrix equation: (2x, 0.5y, -2, 1) * (3, -2, 0, 1) = (-24, 19, -6, 5) (the matrices are going from left to right, they're all 2x2's.)

PRECALC HELPPP please
A local photo gallery sells 3 different types of picture packages: economic, standard and luxury. The table below shows the number of pictures and packages given in each of the 3 packages; Package: Wallet: 4x6: 8x10: Economic 10 4 1 Standard 20 4 2 Luxury 30 8 4 The table ...

PRE CALC HELP PLEASE
When I solved the system of equations I got M=25, E=30 and N=15 and when I substituted into each equation it worked, thank you so much!

PRE CALC HELP PLEASE
A plumber, electrician and painter were all hired to work on 3 different house. For Adam's house, a plumber worked a total of 35 hours, an electrician worked 42 hours and a painter needed 29 hrs to complete the job. the total cost of the three workers for adam's house ...

Canadian History
1) The essential question for the last few lessons asks "How did Canada seek to establish economic security and social justice from the period of the depression to the patriation of the Constitution? What kind of economic security did the Canadians seek? What kind of ...

Algebra1
Find the sum of the first 33 terms of the arithmetic sequence whose first term is 3 and whose 33rd term is -253.

PRE CALC
Evaluate: sigma notation of (3cos k(pi) +1) start value: k=0 end value: k=3

PRE CALC
The 20th term of an arithmetic sequence is 27 and the first term is -11. What is the common difference??

PreCalc PLEASE HELP
Find the common ratio, r, for the geometric sequence that has a1= 100 and a8= 25/32

PreCalc PLEASE HELP
Ms Farnum was hired for a new job at a salary of $62,500 and was promised a 5% raise each year. What would Ms.Farnum's salary be, to the nearest dollar, after working there for 6 years?

English 9 - HELP!
does anyone have the answers to the questions? questions 1-18?

PHYSICS IMPULSE MOMENTUM QUESTION
what is a scenario in which REDUCING the time of impact would be beneficial?

Pre-Calc Help please
Solve for x: log base5 (4x) + log base5 (x) = log base5 (64)

Pre Calc
Solve the following inequality in terms of natural logarithms (ln). (e^6x)+2 is less than or equal to 3.

Precalc
Thank you!

Precalc
Solve the following equation for x in terms of ln and e. (2e^3)-6-(16e^-x)=0

Pre-Calc
Solve for x: log base27 (2x-1) = 4/3

Pre-Calculus
Solve the following inequality in terms of natural logarithms (ln). (e^6x)+2 is less than or equal to 3.

Pre-Calculus
Find N if log base 6 (6^7.8)=N

History
When was the first contact of the following first nations people of canada: First nations of the Mackenzie and Yukon River Basins Pacific coast first nations Plateau Fist Nations Plains first nations

English
Lord of the flies questions 1-7 Although it appears that Ralph and jack would become good friends strain is being placed on their friendship. The boys seem to be from two different world, "There was the brilliant world of hunting, tactics, fierce exhilaration, skill: and ...

social studies
during the early 1800s the United States tried to make peace with other countries in order to grow and develop. give an example of one of those peace efforts and briefly explain what it tried to accomplish

science
joey drives his car 7 kilometers north. he stops for lunch and then drives 5 kilometers south. what distance did he cover?

physics
a baseball is popped straight up. the ball leaves the bat moving at 37.8 m/s. at what time is the ball 20 m above the ground?

physics. again.
a baseball is popped straight up. the ball leaves the bat moving at 37.8 m/s. at what time after being struck is the ball moving at 10 m/s upwards? where is the baseball at this time? answer= 67.9m I need to know how to get this answer

Physics
a baseball is popped straight up. the ball leaves the bat moving at 37.8 m/s. to what height did the ball rise. t=7.72 s the answer is 73 m, but how do you get that answer

physics URGENT
3. Using conceptual meaning of g = Fg/m [N/kg], answer the following: a) What does the spring scale read on the surface of the Moon?

Math
The students sold children's ticket for $30 per ticket and adult tickets for $40 for a total of $930. Write an equation for the scenario and determine the x and y intercept.

Physics
1) what does the y intercept on a force vs acceleration graph represent? 2)what is the relationship of mass and acceleration?

Math
The perimeter of a rectangle is 180 meters. The length is 50 meters greater than the width. Find the dimensions of the rectangle.

math
53

ECONOMICS/ACCOUNTING/BUSINESS
PLS HELP, BEEN STUCK FOREVER ON TWO QUESTIONS, THIS IS ONE : There are usually no costs for the first 3 years, but thereafter maintenance is re- quired for restriping, weed control, light replacement, shoulder repairs, etc. For one section of a particular highway, these costs ...

Finance
A building is priced at 125,000. If a down payment of 25,000 is made and a payment of 1,000 every month thereafter is required, how many months will it take to pay for the building? Interest is charged at a rate of 9% compounded monthly.

Finance
Omega Instruments has budgeted $300,000 per year to pay for certain ce- ramic parts over the next 5 years. If the company expects the cost of the parts to increase uniformly according to an arith- metic gradient of $1 0,000 per year, what is it expecting the cost to be in year...

practice question
How do i go about solving this one? A cash flow sequence starts in year 1 at $3000 and decreases by $200 each year through year 10. (a) Determine the value of the gradient G; (b) determine the amount of cash flow in year 8; and (c) determine the value of n for the gradient. ...

economics
Pls Help. Not too sure how to do this question. Someone wants to set aside money for their newborn daughters college funds. He estimates she would need 25,000 on her 17, 18, 19 and 20, birthdays. If he plans to make uniform deposits starting 3 years from now and through her 16...

Physics
Anyone for B_0 for both cases? Problem 3) b)?

Math
Sarah was cutting fabric for a quilt. She cut a strip of fabric that was 19 1/8 inches long into 5 equal pieces. When she was finished cutting Sarah had a piece that was 2 1/4 inches long. How long was each piece that she cut for the quilt?

Math
The elevation of the surface of the Dead Sea is -424.3 meters. In 2005, the height of Mt. Everest was 8,844.33 meters. How much highernwas the summit of Mt. Everest?

chemistry
lewis structure of HOCH2S-

Chemistry 1001/104
Hey Walter, for this we use the arrhenius equation: In(K2/K1)= -Ea/R (1/T2-1/T1) As it says the reaction rate doubles. so for instance if you take K1= 1 then K2 will equal to 2. Now plug this into In(K2/K1)= -Ea/R (1/T2-1/T1) Now after we do In(K2/K1)= 0.693 0.693=-Ea/R (1/T2...

science
You are standing stationary along the side of the railroad tracks. A toy cannon shoots a baseball at 9 m/s. The cannon is mounted facing forward on the handlebars of a bike. Your friend is riding the bike from the front toward the back of a train car at 5 m/s. The train is ...

math
(16xy^3/-24x^4y)^-3 simplify the rational expression in the form A/B. Single fraction with only positive exponents.

math
*cubic square root*125h^9s^1/*cubic square root*h^-6s^-1 The expression above equals kh^rs^t where r, the exponent of h, is..? and t, the exponent of s, is...? and k, the leading coefficient is...? all answers should be rational numbers

math
Simplify the rational expression in the form A/B. X^-2+X^-4. Express the final result in a single fraction using positive exponents only.

math
multiply both sides by 2 and add them together... were you given formulas?

math
You can use the pythagorean theorem (c^2=a^2+b^2, where "c" is the hypotenuse and "a" and "b" are the other sides) to find the length of the other side. Manipulate it to get c^2-a^2=b^2, then take the square root of the answer to get the length of...

Calculus
The statement is true, because f'(x) deals with the slope of a tangent line. At any extrema (maximum or minimum point), the tangent line will be horizontal, meaning that it has a slope of 0. Since f'(x) is the slope of the tangent line, we can say that f'(x)=0 at ...

precal
fixed typo ((sinx + cosx)/(1 + tanx))^2 + ((sinx - cosx)/(1 - cotx))^2 = 1

precal
thanks :)

precal
please help i can't find the answer for this question. i can only manipulate one side of the equation and the end result has to equal the other side. Problem 1. ((1 + sinx)/cosx) + (cosx/(1 + sinx)) = 2secx

Math
$379.25

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