Friday
March 24, 2017

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Posts by anthony

Total # Posts: 1,006

AP physics (answer whatever you can)
how do you find the Fnet of 3 planets? do i find the forces of all the planets on each other and add it up? what if teh planets are at an angled position? 1000 kg car is going clockwise around a curve iwth radius of 30m. coefficient of frction=0.5 if the road was banded at an ...
March 23, 2017

science
Suppose an ideal car jack has an input work 2750 J. It lifts a car 0.35 meters in 8 seconds. a. What is the output work of the jack? b. How much power is required to lift the car? c. What is the efficiency of the jack? I can't give a answer because I am very confused.
March 14, 2017

science
Suppose an ideal car jack has an input work 2750 J. It lifts a car 0.35 meters in 8 seconds. a. What is the output work of the jack? b. How much power is required to lift the car? c. What is the efficiency of the jack?
March 14, 2017

AP physics
oh never mind she did give me the 2nd angle. it would be impossible without it i presume
March 13, 2017

AP physics
i am given strings at different angle connected to a sign that is at equilibrium. i am given the mass of the sign but only one of the angles of the string. how do i find the tension in each string?
March 13, 2017

Physics Word Problem
suppose a meteorite called head on with mars and becomes buried under mars surface. what would be the elasticity of this collision? explain your answer.
February 22, 2017

physics
A car travelling at 25 m/s slams its break leaving skids marks along a distance 125 m as it comes to rest. the coefficient f friction between the tire and the road is a 5 b 2.5 c 1 2 .4 e .25 A 500N worker pulling a 500 N crate on a rope with a force of 50 N at a constant ...
February 20, 2017

PHYSICS
What is the relationship between angle and gpe with a cart and a ramp. Also if it isn't linear find away to graph it in a linear fashion.
February 18, 2017

Social studies
its the political bosses because they used the poor immigrants by giving them rewards in exchange for votes.
February 15, 2017

Science, please! help!
1.D the rest idk
February 15, 2017

physics (simple question)
How does increasing the degree of a ramp change the an object's motion. the object is at the bottom and isn't going to go off the ramp. The object has an initial velocity.
February 15, 2017

math
Katie invested a total of ?$6000 ?, part at 3 ?% simple interest and part at 4 ?% simple interest. At the end of 1? year, the investments had earned ?$214 interest. How much was invested at each? rate?
February 5, 2017

physics ap
we'l find the time, t, for the ball to fall from the tabletop to the floor. use the equation ?y=vi?t+at^2/2. Take the vi to be zero and a to be 9.81 ±.02 m/s^2. you must first solve this equation for t. ?y=.922m what am i suppose to do with the acceleration because ...
February 4, 2017

math
a petri dish starts out with 500 bacteria. The amount of bacteria increases 25% each minute. Y=500(25)????
February 1, 2017

physics
ikr but my teach gave me the answers and it says 13.6m/s
January 31, 2017

physics
a brick is thrown upward from the top of a building at an angle of 25 degrees to the horizontal and with an initial speed of 15 m/s. what is the velocity of the brick at the max height? (the answer is 13.6 but I don't understand why or how to do it) (i thought it would be ...
January 31, 2017

maths literacy
A.24/9=2.6666667 cars per hour (24/9)x5=13.3333 cars in five hours. B. 2000=24/9(cars per hour)*T T=the amount of time. so 2000/24*9=T
January 30, 2017

physics
is the height of a ball be thrown directly related to the initial velocity? if i were to graph initial velocity as y and height as x,would it be a linear trend?
January 29, 2017

Science
hello
January 29, 2017

physics
TY very much Damon
January 24, 2017

physics
a brick is dropped form the roof of a building. On the way down it passes a 2m high window and is observed to pass from the top to the bottom of the window in 0.25s. (a) How fast was it moving when it passed the top of the window? (b)How far below the roof of the building is ...
January 24, 2017

Physics
conversion:26.39 m/s v=v(i)+at v has to be zero because she is going to stop. initial is 26.39 m/s 0=26.39 m/s+(-4.0)t solve for t and add then add 1 sec(reaction time).
January 24, 2017

math
the number of blocks has 9 in the ones place. the number in the hundreds place is one more than the number in the tens place. those two numbers equal 11. how many blocks are there?
January 18, 2017

Linear Algebra
Hello, could anyone help me with this excersise of linear algebra, Please? Well it's about linear transformation defined as T:V--W , the excersices give me a set of linearly independent vectors of V {v1,v2, v3... vk} and then asks : Are {W1, w2, w3, ...wk}, the linear ...
January 12, 2017

Pre-calc Math
A tree on a hillside casts a shadow c = 210 ft down the hill. If the angle of inclination of the hillside is b = 21° to the horizontal and the angle of elevation of the sun is a = 51°, find the height of the tree. (Round your answer to the nearest foot.) ________ft
December 23, 2016

Pre-calc Math
The path of a satellite orbiting the earth causes the satellite to pass directly over two tracking stations A and B, which are 95 mi apart. When the satellite is on one side of the two stations, the angles of elevation at A and B are measured to be 87.0° and 84.2°, ...
December 23, 2016

Pre-calc Math
Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one decimal place. Below, enter your answers so that ?B1 is smaller than ?B2.) a = 78, b = 109, ?A = 24° Find : ?B1...
December 23, 2016

Science
It increases the populations because both species have more food supply which allows them to produce more and eat more. Put this into your own words BTW.
December 12, 2016

Math (related rates) help?
ohh ok this helped me too
December 8, 2016

Thermo Dynamics
Would like to see the following problem worked out. Having trouble solving. Explanation would be helpful. Given:Water at 20 Degrees C is filled to the top of a 15 m high, 15 m diameter tank. The tank is connected to a 15 m section of 5 cm diameter pipe which contains a fully ...
December 7, 2016

math
ben is a book that is 48 pages long.
December 5, 2016

SS PLS HELP
1. How are capital resources used in production? (1 point) They allow producers better access to world markets. They make it possible to employ more skilled laborers. They provide tools that make production more efficient. They purchase the raw materials needed for production...
November 18, 2016

Math
equivalent expressions that can be used to find the final price of an item costing g dollars that is on sale for 15% off and charged 7% sales tax.?
November 15, 2016

Social Studies
1. BCD
November 15, 2016

Social Studies
My answers are 1.B 2.C 3.D 4.C
November 15, 2016

Social Studies
1. What are the three types of productive resources? Select all that apply. (3 points) the raw materials provided by the planet the planning and work that go into production the markets that sell the results of production the social systems that ensure production is protected ...
November 15, 2016

SS
Is it 1. BCD 2. C 3. D 4. C
November 14, 2016

Math
At the same time a 5 foot person cast a 2 foot shadow, a nearby flagpole cast a 10 foot shadow. How tall is the flagpole?
November 10, 2016

algebra
The volume of a gas varies directly with its temperature and inversely with the pressure. If the volume of a certain gas is 20 cubic feet at a temperature of 350K and a pressure of 35 pounds per square inch, what is the volume of the same gas at 330 K when the pressure is 30 ...
November 5, 2016

algebra
The length a spring stretches is directly proportional to the force applied. If a force of 8 pounds stretches a spring 10 inches, how much force is necessary to stretch the same spring 9 inches?
November 5, 2016

Math
A fence around a square garden is madr up 4 equal-sized pieces that are each 5 1/2 feet long. Matt decided to make the sides 2 1/2 times longer. How much fencing does he need in all?
November 4, 2016

Math
Pedro spent 2 1/5 hours on his math himework and half as lomg on his science homework one weekend. If his english and social studies homework took 7/8 as long, how much time did he spent on homework that weekend?
November 4, 2016

mathematics
solve m2+6m+7 using completing the square method
November 4, 2016

Math
A rocket is launched at t=0 seconds. It's height, in feet, above sea-level, as a function of time, t, is given by h(t)=-16t2+64t+192 When does the rocket hit the ground after it is launched?
October 30, 2016

Math
A rocket is launched at t=0 seconds. Its height, in feet, above sea-level, as a function of time,t, is given by h(t)=-16t^2+112t+480 When does the rocket hit the ground after it is launched?
October 27, 2016

english
distinguish
October 17, 2016

algebra
For the following relation, give the domain and range, and indicate whether it is a function. {(1,2),(6,3),(3,1),(8,7)}
October 1, 2016

algebra
For the following relation, give the domain and range, and indicate whether it is a function. {(1,2),(6,3),(3,1),(8,7)}
October 1, 2016

Math
Hello everyone! I'm a 10th grader and I scored a 3331 on my math scantron performance series test.... is this good, average or bad? Thanks! -a
September 15, 2016

math
in a survey, 1000 people were asked what sports they liked best. of that number, 423 said baseball and 95 said tennis. what part of total number surveyed liked baseball? what part liked tennis?
September 7, 2016

Algebra
Root of 3x-6 = -4 3x-6 is all under a square root
August 22, 2016

math
use the terms factors,divisor,multiple, product and divisible by to write as many statements as you can about the number sentence. 7×9=63
August 17, 2016

mathematics
a public ferry travelled 220 km along with current of the wind it's travelled 63 km against the current 24 km/hr at the same time. find the current of the wind?
August 8, 2016

Algebra
You and 4 friends go out to eat you all split the bill equally each person's share was 6.50 how much was the original bill
August 2, 2016

Chem
A sealed balloon is filled with 1.00 L of helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 299 torr and the temperature is -31°C. What is the change in the volume of the balloon as it ascends from 1.00 atm to a pressure ...
July 18, 2016

Chemistry
A student dilutes a solution so that its pH changes from 2.4 to 4.4. 10mL of the original solution was diluted by how many mL?
July 11, 2016

Income tax
Catherine purchased furniture and fixtures (7-year property) for her shop for $80,000 in May 2013. What AMT depreciation adjustment is required in 2013? A. $0 B. $2,864 C. $8,568 D. $11,432 The answer is A?
June 30, 2016

i-ready mastery check
Sally has 3 white tennis balls and 4 orange tennis balls. Drag a ratio into each box to represent the relationship between the two quantities. Answer choices may be used more than once. Not all answer choices will be used.
May 31, 2016

Math
What are the numbers to the median of 38 and mode of 40 minimum of 9 and maximum of 85?
May 12, 2016

Geometry
A hill slopes down from a building with a grade of one for to five feet measured along the horizontal (slope of 1/5). If a ladder 36 ft. long is set against the building, with its foot 12ft. down the hill. How high will it reach the building?
April 30, 2016

math
(3 + 4) + 102 × (7 − 6) = how do i do this with the ()?
April 21, 2016

math
if they have () you do those first right like this problem (3 + 4) + 102 × (7 − 6 you would do 3 + 4 and then 102 or?
April 21, 2016

math
ok thank you guys this site is good
April 21, 2016

math
3 + 4 + 102 × 7 − 6 = how would i do this?
April 21, 2016

Geometry
Please help me with this: Using the definition, describe in words the translation of a triangle y f(x,y)=x-5,y+4)
April 15, 2016

4th grade math
Ellie and Heather drew floor models of their living rooms. Ellie's model represented 20 feet by 15 feet. Heather's model represented 18 feet by 18 feet. Whose floor model represents the greater area? How much greater?
April 11, 2016

Geometry
I meant to put S instead of A and I'm trying to find the perimeter of the parallelogram
April 10, 2016

Geometry
given the parallelogram of the perimeter RATU with vertices R(1,3) S(-2,-2) T(4,0) U(7,4):round to the nearest hundredth Rec1: Rec2: triangle 1: triangle 2: triangle 3: triangle 4:
April 10, 2016

4th grade math
long jump measurements. Allison jumped 3/8 foot shorter than the farthest jump. How far, in feet, did Allison jump? how to calculate long jump measurements
March 28, 2016

Chemistry
How many ions does 3 moles of zinc hydroxide have? I believe 1 mole of zinc hydroxide contains 3 ions so do I just multiply it by 3?
March 17, 2016

4th grade math
The school carnival is divided into sections. The dunk tanks are in 1/10 of the carnival. Games are in 4/10 of the carnival. Student exhibits are in 5/10 of the carnival. what fraction is dunk tanks and games
March 4, 2016

4th grade math
A shirt costs $15. A pair of sneakers costs four times as much. How much does the pair of sneakers cost? A hat is as much as the sneakers, so how much does the hat cost? If Ken buys one hat, one pair of sneakers, and two shirts, how much has he spent?
March 3, 2016

microeconomics
If a firm holds a pure monopoly in the market and is able to sell 5 units of output at $4.00 per unit and 6 units of output at $3,90 per unit, it will produce and sell the sixth unit if its marginal cost is 4.00 or less 3.40 or less 3.90 or less
February 27, 2016

Physics
I am asking and I know I can't but I don't no the answer to the question. So please answer.
February 9, 2016

Physics
A uniformed lath AB of length 80 cm and mass of 50g is pivoted at a point p,25 cm from one end it is kept horizontal by support at the other end by a vertical string. Calculate the tension in the string.
February 9, 2016

Math
A flower is 9 3/4 inches tall. In one week, it grew 1 1/8 inches. How tall its the flower at the end of the week? Write in simplest form.
February 8, 2016

US History
What role did the media play in the development of popular thinking related to the Spanish-American War? What is the correct role of news media in war time?
February 5, 2016

math
You and your sister work on the weekends at your parents’ store. You receive $4 per hour and your sister gets $5 per hour. On Saturday both of you worked a total of 7 h and together made $32. How much money did each of you earn on Saturday?
January 27, 2016

Grde 12 math
Angle D is 110 degree.Angle A and B has (5y+10).What is the value for y and the measures of angle C and angle A?
January 24, 2016

chemistry
If I wanted to make two solutions. In one I will mix Chemical A into 1 Liter of water. In the second I will mix Chemical B into 1 Liter of water. If I want my two solutions to be the same concentration they should contain the same number of PARTICLES. How can I make sure both ...
January 11, 2016

messa secondary school
If the last term of A.P is 40, what is the number of term.
December 22, 2015

Algebra
What are integer values for c in the following: 2 x^2 + 5 x + c = 0 What's the logic/method to get c with using a calculator, Excel,... I don't see how to uss outer/inner combo or AC grouping.
December 15, 2015

Geometry
Write a two-column proof. If point g is the centriod of triangle ABC and BG = 18. Find GE and BE. My work: ge is half so its 9. be equals 18 + 9 = 27 i need help on two column proof part
November 27, 2015

math
Help
November 24, 2015

chem
i have several problems i am caught on for my homework. I appreciate any help 1. As milk spoils, rancid components begin to coagulate. This could be interpreted as a: a.a colloid forming a suspension. b.solution forming a colloid. c.solution forming a suspension. d.suspension ...
November 17, 2015

Math
I don't get it!?
November 12, 2015

Victoria Park
Algebra: Measurement One of the equal sides of an isosceles triangle is 3 m less than twice its base. The perimeter is 44 m. Find the lengths of the sides.
November 4, 2015

Geometry
1x1
October 29, 2015

TAX
Patty and Rich, married filing jointly, have $385,000 in MAGI and $90,000 of net investment income(NII). they will pay a sutax of: A. $0 B. $1,710 C. $3,420 D. $5,130
October 23, 2015

math
A home owner goes to the hardware store to purchase the letters that make up a number for a sign he is making, (e.g., F-O-U-R, N-I-N-E, etc.). When he arrives, other customers are doing the same thing. The first customer buys the letters to display ONE, and pays $40. The next ...
October 6, 2015

Math
One table at a bake sale has 75 cookies. Another table has 60 cupcakes. Which table allows for more rectangular arrangements when all the cookies and cupcakes are displayed? Explain
September 29, 2015

fluid mechanics
a block has a mass of 400kg in air when submerged in seawater it weighs 2943N. what is the specific gravity of the block?
September 29, 2015

Math
ran is twice as old as john. in12 years time their combined ages will be 6 times johns present age. what are their present ages
August 30, 2015

English
Which value is reflected in Heracles ? .
August 28, 2015

algebra
wright the slope-intercept form of the equation of the line though the given points through:(4,4)and (3,5)
August 19, 2015

math
what is the word form for34,235,345
August 14, 2015

Accounting
In the context of determining fair value, the exit price refers to: A. The amount the firm would receive if it sold a given asset. B. Amount the firm would pay if it bought an asset of the same type and condition as the one being valued. C. Sum of the future cash flows ...
August 12, 2015

algebra 1
someone please help me. The function f(x) is shown below: f(x) = (5)x - 1 The function f(x) is shifted to the right by 13 units. Which of the following best represents the new function? f(x) = (5)x + 13 f(x) = (5)x + 12 f(x) = (5)x - 14 f(x) = (5)x - 13
August 12, 2015

Accounting
Thanks
August 11, 2015

Accounting
Revenue is earned when: A. Contract is signed by both parties B. The seller substantially completes performance required by an agreement C. Buyer completes payment required under an agreement D. The buyer accepts delivery and completes required payments. Answer: D
August 11, 2015

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