# Posts by Anonymous

Total # Posts: 108,402

**Physics-Work, Energy, and Power**

A 56.9 kg sledder descends an 8.21-meter high hill, encountering a friction force of 11.7 N, Fill in the blanks and determine the speed of the sledder after traveling the 31.7 meters to the bottom of the hill. Top of the hill: KE=0J PE=_ W=_ Work=_ PE=0J KE=_ At the bottom of ...

**math NEED HELP ASAP**

The Royal Fruit Company produces two types of fruit drinks. The first type is 65% pure fruit juice, and the second type is 90% pure fruit juice. The company is attempting to produce a fruit drink that contains 75% pure fruit juice. How many pints of each of the two existing ...

**math **

A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 6% vinegar, and the second brand contains 11% vinegar. The chef wants to make 250 milliliters of a dressing that is 9% vinegar. How much of each brand should she use?

**Math**

A group of students were asked to select their preferred breakfast drink from among coffee, tea, and orange juice. The results of the survey are shown in the table along with information about whether the students are in high school (HS) or in college (C). Create a two-way ...

**physics**

Located 10 centimeters apart from each other are two charged particles. Both have equal mass. The second object has a charge that is twice as large as the charge on the first object. They experience a repulsive force of 95N due to the electrical interactions. What is the ...

**physics**

You push a charge of 0.1C through an electric field. Through this process, you do 48 J of work on the charged object. Determine the voltage between where you started and where you ended.

**physics**

At each corner of an equilateral triangle, there is a charge, as diagrammed below. The length of each side of the triangle is .4 meters. Find the net force acting upon q1, given the following values for each of the charges: q1 = ?2.00 ?C, q2 = 3.00 ?C, and q3 = 4.00 ?C.

**Algebra**

or maybe you just know without writing it out that 1 = 10^0 10 = 10^1 100 = 10^2 hundreds 1,000 = 10^3 thousands 10,000 = 10^4 = 100^2 100,000 = 10^5 1,000,000 = 10^6 millions .... 1,000,000,000 =10^9 billions ..... 1,000,000,000,000 = 10^12 trillions etc

**Algebra**

Form a quadratic statement from the given: Zeroes at 2 and 3, f(1)=12. f(x)=?

**Ethics**

In the treatment of terminally ill patients, is it logical to permit physicians to provide palliative sedation that is given with the intent of relieving suffering but that also can be reasonably expected to make a patient die more quickly while prohibiting physicians from ...

**physical sciences**

hearing rattles from a snake, a boy make two rapid displacements of magnitude 1.8m and 2.4m in sketches show how the two displacements might add up to give magnitude of

**maths**

834

**Social Studies**

1.A, B , D 2. A 3. D 4. C

**Algebra**

A rectangular pen with one side along a river will be bounded by a fence on the other three sites. If 600m of fence are available, what the dimensions of the rectangle should be in order to enclose maximum area and how much this area is?

**Calc**

Suppose the integral from 2 to 6 of g of x, dx equals 12 and the integral from 5 to 6 of g of x, dx equals negative 3 , find the value of the integral from 2 to 5 of 3 times g of x, dx

**MATH NEEDS HELP NOWw**

Consider the sequence t1=1, t2=-1, and that tn=t(n-2)*(n-3)/(n-1), where n>2. Find the value of t1998. (1998 is the term, so is n, t1, and t2)

**maths**

does it say which 2 angles?

**math**

sum of angles of any polygon is 180*(n-2) where n is the number of sides in the polygon. 1800/180 = 10, 10+2= 12. there are 12 sides 1800/12 =150 degrees

**math**

105

**math**

a typist can type 70 words in 1 minute. then how many words can he type in 1.5 minutes?

**Math**

A: The variables x and y vary directly. When x is 3, y is 6. Find x when y = 2/3. B: The force acting on an object varies directly with its acceleration. A force of 25 newtons accelerates an object at 1.25 m/s. What is the acceleration of a 35 newton force? (some steps or ...

**Philosophy**

It actually dose not but thanks for not helping me

**Math**

1. pyramid 12*12 *12/3

**History**

It says to represent the characteristics of it so I didnt know if that meant I had to do something different

**History**

On one of my assignments it says to create a bubble chart that represents and explains the characteristics of 19th century capitalism and to provide examples Should i just make a bubble chart graphic organizer with a circle in the middle and other circles extending outwards ...

**History**

What are the preconditions for industrialization

**maths**

How to factorise 4(x+y)(3a-2b)+(6x+y)(2b-3 a)

**math**

pq is a tower standing vertically on the horizontal ground. from a, the angle of elevation of top p of the tower is 45°. on moving 50 m. up a slope of 15°, the angle of elevation becomes 75° from b. find height of the tower

**Math**

Janet Foster bought a computer and printer at Computerland. The printer had a $620 list price with a $100 trade discount and 2/10, n/30 terms. The computer had a $2,200 list price with a 25% trade discount but no cash discount. On the computer, Computerland offered Janet the ...

**Chemistry **

sulfuric acid can be prepared by a multistep process summarized as: 2 SO2 + O2 + 2 H2O--> 2 H2SO4 What mass of sulfuric acid could be produced daily by a process using 38 kg per day of sulfuric dioxide with a 70% conversion efficiency ("yield"), assuming that ...

**Chemistry **

How many grams of a solid mixture containing strontium chloride would one need to make 558 mL of a 0.100 M strontium chloride solution, if the solid mixture contains 58.6% strontium chloride by weight

**Algebra**

What is the solution and magnitude of the following problem: (x^4)-1=0 (x^3)+1=0 (x^3)-1=0 (x^6)-1=0 (x^6)+1=0

**8th Social studies**

The answer is on brainly.

**Chemistry**

the correct answer is 3.375x10^-22 J. But i don't know how to get this answer correctly.

**Chemistry **

High-pressure sodium vapor lamps are used in street lighting. The two brightest lines in the sodium spectrum are at 589.00 and 589.59 nm. What is the diffrence in energy per photon of the radiations corresponding to these two lines?

**Calculus**

Find the derivative of the integral from x^3 to 5 of cosk/(k^2+2). My answer is ((-cos(x^3)(3x^2))/(x^6+2).

**Math**

Given: f(x) = 8 - 4x A. Find f(-2) B. Find x, when f(x) = 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0. Show details on the graph. F. Use the graph to find f(x) when x = 3. Show details on the graph.

**Calculus**

Find the derivative of the integral from x to 6 of ln(1 + t^2). My answer is -ln(1+x^2).

**ELA AND HELP!!!!!!**

I was thinking Judge, so A.

**ELA AND HELP!!!!!!**

Hint: Is there one word that can be replaced by a person's name?

**Math **

Ed’s rental charges a flat fee of $5 plus $2 per hour to rent a pair of skates. A. Write an equation to model the cost of renting skates, y, for x hours. B. Graph the equation. Label the y-intercept. C. Use the graph to find the cost for renting the skates for 2 hours. ...

**English**

The title “Another Evening at the Club” is close in meaning to “Just Another Evening at the Club.” Given the events of the story, what is the significance of this meaning?

**Social Studies**

is it b

**Science**

Galaxy

**math **

-3x 2 = 1/4 (2 raised to the power -3x = 1/4)

**American History**

Did the concept of race exist since the beginning of time?

**chemistry, science**

how many moles of he atoms are there in 0.02g of he?

**Math**

Given: f(x) = 8 - 4x A. Find f(-2) B. Find x, when f(x) = 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0. Show details on the graph. F. Use the graph to find f(x) when x = 3. Show details on the graph.

**Math**

Given: f(X)= 8-4x A. Find f(-2) B. Find x, when f(x)= 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0 . Show details on the graph. F. Use the graph to find f(x)when x = 3. Show details on the graph.

**Math**

Consider the sequence t1=1, t2=-1, and that tn-tn-2(n-3)/(n-1), where n>2. Find the value of t1998. (1998 is the term, so is n, t1 and t2)

**math**

there are 64 seventh graders at a middle school. This is 32% of the students at the school. The sixth graders comprise 38% of the school how many sixth graders attend the middle school

**economics**

what is the ansewer for each quistio

**math**

Maya has 4 1/2m of ribbon. She uses 1 3/4m to wrap a present and 1/3m to make a bow. How much ribbon is left?

**Ethics**

The World Medical Association (WMA) states that FGM does not violate the principles of medical ethics, if FGM is part of the cultural tradition where the physician is practicing medicine. True False I say false

**Math**

x y -2 -5 0 -1 1 1 2 3 A. Graph the ordered pairs. B. Is the function linear? Explain. C. Write a rule for the ordered pairs in terms of x and y. D. What is the value of y when x = 10?

**math**

geez - impatient much?

**Math**

5 thousand 22 tens and 9 ones equals what number

**Algebra**

Give the interval(s) on which the function f is positive if f is defined as: f(x)=x(5?x)(2x?3)

**physics**

A ball moving at a velocity of 10 meters/second has a momentum of 8.0 kilogram meters/second. What is its mass?

**Social studies**

Yalp is wrong. Listen to Ms. Sue

**Physics**

11469.9

**Social Studies**

Also Among the first laws passed by FDR was the Truth-in-Securities Act. How did it support his New Deal goals? A. The law’s purpose was to make sure farmers’ investments were safe. B. The law’s goal was to prevent another economic crash. C. The law was focused ...

**Social Studies**

Which of the following best summarizes Hoover’s and Roosevelt’s policies? A. Hoover was most concerned about stabilizing the banks, while Roosevelt chose to provide jobs. B. Hoover believed in providing public works and welfare, while Roosevelt wanted the people to ...

**Algebra **

Let f (x)= (x^2 + 3x - 4) and g(x)= (x + 4) a. Find f*g and state the domain b. Find f/g and state the domain

**Science**

The answers are 1.A 2.B 3.C 4.C 5.B 6.B 7.D 8.C 9.C 10.B 11.C 12.D 13.C

**Science**

is 1. correct

**Algebra **

Use the coordinates of the two points that show male life expectancies for 1980 and 2000 to write a linear function that models life expectancy. E (x), for men born in this community x years after 1960 Coordinates are 1960-66.8 1970-67.5 1980-69.9 1990-70.5 2000-74.1 2004-75.2

**Math - Derivatives**

Or how do I find the formula for this?

**Math - Derivatives**

Find the nth derivative of y=2x/(1-x^2) (Hint: Consider -[(1/(x-1))+(1/(x+1))].)

**Calculus**

Evaluate the integral. 1/2 integral e^(t/2) (I'm not sure what the 1/2 on the left of the integral symbol means.)

**Social Studies**

â€We took away their best lands; broke treaties, promises; tossed them the most nearly worthless scraps of a continent that had once been wholly theirs. But we did not liquidate their spirit. The vital spark which kept them alive was hardy." Based on the ...

**Math/Calculus**

Find the equation of the tangent line to the given equation at the indicated point a) y^2=cos(5x-3y) at ((2pi+3)/5, 1) b) x^2+x^2y+4=0 at (2,-2)

**Biology**

A life cycle in which organisms switch back and forth between diplid and haplid stages?

**Math**

Use the table of values. x y -2 -5 0 -1 1 1 2 3 A. Graph the ordered pairs. B. Is the function linear? Explain. C. Write a rule for the ordered pairs in terms of x and y. D. What is the value of y when x = 10?

**Math**

Find a formula for D^n_x(1/x). (The n is superscript and the x is subscript)

**Science**

How do the spaces between particles affect viscosity?

**Math**

Felisa will carpet her rectangular living room shown below. The carpet she selected is sold by the square yard, at a cost of $32 per square yard. To the nearest dollar, how much will it cost to carpet the living room?

**Math**

You have $80 and your brother has $275 dollars. You save $10 of your allowance each week. Your brother spends his allowance plus $15 each week. A. Write an equation to model this. B. How long before you have as much money as your brother? C. How much have you saved when you ...

**Algebra**

Insert five geometric means between 0.125 and 8. I know one set is 0.25, 0.5, 1, 2, 4 What would be the other set?

**Algebra**

2. You have $80 and your brother has $275 dollars. You save $10 of your allowance each week. Your brother spends his allowance plus $15 each week. A. Write an equation to model this. B. How long before you have as much money as your brother? C. How much have you saved when ...

**Social Studies**

do u do online school

**math**

can i get some real help

**Math**

if it isn't a rectangular pyramid what is it?

**Math**

why do you disagree? what do you think it is neil?

**Math**

That would be the rectangular pyramid.

**Math**

thank you sooo much you are a great person

**Math**

The product of (4z2 + 7z – 8) and (–z + 3) is –4z3 + xz2 + yz – 24. What is the value of x? What is the value of y?

**History**

Please check my answers. Question 1(Multiple Choice Worth 5 points) [06.06 MC] Which answer best describes how the Supreme Court viewed Maryland's taxing of the national bank created after the War of 1812? The Supreme Court decided Maryland was within its rights as a state...

**ss**

9. The economies of the United States and Canada are (2 points) very different. strongly linked. dependent on tourism. exactly the same.

**Educational Technology**

This anonymous is Damon by the way :)

**Educational Technology**

Otherwise even the technical literature would be flooded with alternative facts.

**Educational Technology**

why is it important to take responsibility for your online publication (1 point)

**science**

By the way most oil floats on water :)

**science**

It has mass of 100 g It lost 25 g in water so its volume is 25 cm^3 It lost 30 g in oil so the mass of oil displaced by its 25 cm^3 volume was 30 g so density of the oil = 30 g/25cm^3 = 1.2 g/cm^3 = 1.2 times water density.

**Math**

has read 1/5 + 3/5 = 4/5 must read 5/5 - 4/5 = 1/5

**Mayh**

Martin used m Omar used .5m-5 total = m + .5 m - 5 = 1.5 m-5

**chemistry**

thank you so much you are a great help have a nice day. you are an amazing and smart person!

**chemistry**

P V = n R T V, T and R are the same for each so n, the number of mols is proportional to P total pressure = 3.5 + 2.8 + .25 + .15 = 6.7 so for example mol fraction of N2 = 3.5/6.7 = .522

**chemistry**

Four gases were combined in a gas cylinder with these partial pressures: 3.5 atm N2, 2.8 atm O2, 0.25 atm Ar, and 0.15 atm He.What is the mole fraction of N2 in the mixture?

**maths**

total length = 15+3 = 18 total width = 9+3 = 12 so path area = 12*18 - 9*15