# Posts by anonymous

Total # Posts: 109,291

**chemistry**

Determine the order of reducing agents (strongest to weakest). A) Mn(s) > Zn(s) > Cr(s) > Fe(s) B) Fe(s) > Cr(s) > Zn(s) > Mn(s) C) Mn(s) > Fe(s) > Cr(s) > Zn(s) D) Zn(s) > Mn(s) > Cr(s) > Fe(s) I know the half reaction for the following: - ...

**math**

A square is inscribed in a circle. If the area of the square is 9 in2, what is the ratio of the circumference of the circle to the area of the circle?

**Math - Trig**

x and 850 -x tan 29 = h/x so x = 1.804 h tan 40 = h/(850-x)= .8391 h = (850 -1.804h)(.8391)

**Chemistry**

Rank the bonds between the listed atoms from most ionic to most covalent: -AlO -CN -SCl -KF

**life orietation**

How can sports support contribute to nation building and the promotion of diversity?

**Algebra**

Please help with the below question. I think my answer is correct but not sure. The area of a rectangle can be found using the formula A=lw. The length of the rectangle is 14a6^b7^c13^ and the width of the rectangle is (7a9^b-3^c18^)2^ What expression represents the area of ...

**math**

If x is to y as 4 is to 5, then what is y:x?

**ALGEBRA**

IF TODAYS SNOW LEVEL OF 10 FEET WAS 20% OF NORMAL FOR THIS TIME OF YEAR, WHAT IS NORMAL FOR THIS TIME OF YEAR?

**english**

I agree with Reed. If you look closely you will find the alliteration. Here is the definition of alliteration on google: the occurrence of the same letter or sound at the beginning of adjacent or closely connected words. Hope that helps you find it! :)

**Maths**

3/18 ? Because since there are 6 sides on a dice then ther is a 1/6 chance to get the number 1 and 2 and 3 so if u do 6 x 3 it is 18 and u whatever you do to the denominator u have to do to the numerator so u would do 1 x 3 which is 3 and thats how you would get 3/18 for the ...

**Physics**

What happens to the focal length of a converging lens as the radius of curvature is increased?

**Math**

A baseball diamond has the shape of a square with sides 90ft long. A player 60ft from second base is running towards third base at a speed of 28ft/min. At what rate is the player’s distance from the home plate changing?

**math**

A ladder 20 m long touches a wall at the height of 10m find the angle made by the ladder with the horizontal?

**Algebra 2**

Find two pairs of conjugates with a product of 3.

**algebra**

Kevin and Randy Muise have a jar containing 77coins, all of which are either quarters or nickels. The total value of the coins in the jar is $ 13.85. How many of each type of coin do they have?

**Physics**

a) PE -> KE = KE(translational) + KE (rotational) PE = mgh KE(translational) =mv²/2 KE (rotational) = I?²/2 = mR²v²/2R² = mv²/2 (for ring (hoop) I= mR²; ? =v/R) KE = mv²/2 + mv²/2 = mv² mgh = mv² => v=sqrt(gh) b) if ...

**chemistry**

What is the temperature of a gas that has a volume of 555ml and 43.5 atm that was initially at 20 degrees, 885 ml and 2.9 atm

**Chemistry**

Calculate the new volume of 23.5 mL of N2 gas initially at 220k Pa and 98.7 degrees Celsius when converted to STP

**History**

In general like after the British Rule its asking for government, economic, health, and social impact I could not find health impact

**History**

British Rule in India impact on health

**Maths**

A speed camera takes two photographs of a car.Photo 2 was taken 0.5 seconds after Photo 1.Marks on the road are 0.8 meters apart.Calculate the average speed of the car in m/s? 7.2 m/s but when i submit answer i get 2 marks only not full 3 marks what am I doing wrong and what ...

**History**

Look up The Attack of Mutineers July 30 1857. An image should pop up from the website links. Questions : Explain the picture Two groups are fighting due to the Sepoy Mutiny? I don't really know how else to describe it Compare the two different groups of soldiers The two ...

**History**

Factories, new technologies for ships (Im not sure what they are called), weapons

**History**

What technologies might be needed to control such a large area

**History**

what difficulties might face the british in controlling such a large empire

**Physics**

V=170/1.1 =154.55 m/s²

**Physics**

Find speed of sound in air if distance is 170 meters and time is 1.1 second

**Maths**

Simson line

**Maths**

A point P is chosen on the circumcircle of the triangle ABC. Perpendiculars are dropped from P to the points D, E and F on BC, CA and AB respectively. Prove that the points D, E and F lie on a straight line.

**Maths**

g = (5/4) b 4 g = 5 b b = (4/5) g

**math**

m=3n 200 m + 100 n = 2100 so 200(3n) + 100 n = 2100 700 n = 2100 n = 3 so m = 3n = 9

**math**

at the concert, seated tickets cost M and standing tickets cost N. The seated tickets are three times the price of a standing ticket. If 200 seating tickets are sold and 100 standing tickets and the total receipts from the concert is $2100, find the price of seated ticket.

**maths(PLEASE HELP!)**

one way is to write out the prime factors of all the denominators 3 2,2 2*2*3 2 2*3 so we will need two 2s and a three which is twelve

**math**

Let the marks the exam was out of be z. Let Ashpreet's mark out of z be x and Bhupinder's mark out of z be y. Hence, x/z x 100 is Ashpreet's percentage and y/z x 100 is Bhupinder's percentage. 68.75% is equivalent to 0.6875, so we can set up the equation: (x/z...

**physics**

(1/2)v^2 = g h mass cancels

**Calculus**

Consider the differential equation dy/dx = x^4(y - 2). Find the particular solution y = f(x) to the given differential equation with the initial condition f(0) = 0. Is this y=e^(x^5/5)+4?

**Calculus**

Write an expression for y = f(x) by solving the differential equation dy/dx = x?y with the initial condition f(3) = 25. I got y = (x^2/4 + 11/4)^2.

**Algebra**

f(2)=f(4)=0, f(3)=?2. f(x)=?

**Algebra**

Zeroes at 1±sqrt(2) ,y-intercept at –4 f(x)=?

**Algebra**

5/18 ...

**Math- Formulas**

Thank you very much Ms. Sue!

**Math- Formulas**

What are some formulas that you use in everyday life and how do you use them? I already wrote about volume but I need some other ideas.

**Science**

KITTY is 100% corrcet

**language arts**

In both "Miracles" and "in Justâ€”," the poets use images that appeal to the senses. In a paragraph, compare the use of imagery in the two poems. First, present images in each poem that appeal to the senses of sight, sound, and touch. Then, ...

**maths **

calculate the surface area of a sphere of which the volume is 9000mm^3

**Technical writing**

I agree with Ms. Sue.

**math**

Since 1 mile cost 2 so 7×2=14 $ in addition for the cab ride so 14+2=$16

**math**

40

**Math**

Find the dimensions of a right triangle that maximizes the area when the perimeter is 10 cm

**rift vally universtiy**

Expain the profit maximation codition of plant monoplist

**rift vally universtiy**

prove the profit maximaization of the consume i.e mu=p, according tocardinalist using mathmaticale derivation

**Maths**

How many cubes of edge 1/2cm are required to build a cube of side 3cm

**Maths**

How many cubes of edge 1/2cm are required to build a cube of side 3cm

**Maths**

How many cubes of edge 1/2cm are required to build a cube of side 3cm

**Math(precalc)**

After a while, it's just plain algebra.

**math**

1. A formula for converting degrees Fahrenheit F, to degrees Celsius, C, is C = 5/9(F - 32) Express F in terms of C If normal human body temperature is 37C what is this temperature in degrees Fahrenheit? <--- is it 98.6F

**Finance**

Jack has $6,000 invested in a bank that pays 3% annually. How long will it take for his funds to double?

**Finance**

Suppose you would like to retire in 50 years as a millionaire. If you have $7,500 today, what rate of return must you earn on $7,500 to achieve your goal

**Math**

23⁄107 <br> <br>or, as an exponent, <br> <br>x23⁄107 y-3⁄10

**Math**

23⁄107 or, as an exponent, x^23⁄107 y-3⁄10

**science**

1. In paper chromatography, is the substance being tested the solute or solvent? Explain your answer. I think the substance being tested is a solvent. I think this because it is being dissolved to form the ink on the filter paper. 2. A bucket of paint spills on your classroom ...

**Pre calculus**

ramp needs an angle of elevation no greater than 4.8. the business has 8 ft to build the ramp. the ramp must rise 6 inches above the ground. can a ramp be built in this space? if a ramp can be built what is the minimum horizontal distance possible? please show work. i'm ...

**Urgent--Geometry(trig part)**

So I am new to sine, cosine, and tangent, so I need some help. Just explain it. No need for the answers unless you want to give it to me. :D Let triangle ABC be a right triangle with angleC=90degrees. Given the tangent of one of the complementary angles of the triangle, find ...

**chemistry help ?!**

Well exothermic means releasing energy/heat so what do you think?

**Science- Astronomy**

Thank you! :)

**Science- Astronomy**

Thank very very much! That is exactly what I needed! :)

**Physics**

A car is traveling with constant 20.0 ms for 2.0mins constant rate 0.50 how far can travel for first part of the trip How long does it take for the car to a stop during the decond part of trip How far does it take during second trip What average velocity

**language**

Your welcome! :)

**language**

The definition of conjunction on google is this: a word used to connect clauses or sentences or to coordinate words in the same clause (e.g., and, but, if ). So based on that what do you think it is? If you ask me, I would say the answer is B:but

**math**

thats really slow fyi

**math**

17/6=2.83333333333333333333333333

**Math**

Im guessing t is the length of one side. The cubed root of 343 is 7. And since a cube is t^3 than the answer is 7.

**Powerpoint Project**

I know this project may seem very difficult at first, but it is actually very easy. All I did for this project was do a life cycle of a bird. I think she also provided a sample if you just check the message board. I hope this helps and please let me know if you have any ...

**ENGLISH**

In the phone the type rises on the tide falls what kind of poetry describes this poem

**ENGLISH**

If you tell me the name of the poem I could help you! :)

**math**

The table shows the height of a plant as it grows. What equation in point-slope form gives the plant’s height at any time? Let y stand for the height of the plant in cm and let x stand for the time in months. A. y – 15 = (x – 3) B. y – 15 = 5(x – 3) C...

**ELA 6th grade**

I agree with Writeacher. #3 and #5 seem right but I think #4 is B. I am not sure though.

**english grammar check please**

alic had to go home. she was lonely

**math**

If the wages of 12 men for 17 days is Rs.34000, find the approximate wages of 16 men for 18 days.

**Precalculus**

Determine whether the function is a power function. If the function is a power? function, state the power and constant of variation. f(x)=5*7^x

**Math**

If you bike for 3 hours at 10 mph and then walk for 1 hour at 2 mph, what would be your average speed?

**Biology **

Please help with these questions question: Oxygen consumption by a growing culture of Escheri... oxygen consumption by a growing culture of Escherichia coli bacteria. What could explain the gradual consumption of oxygen, even though no glucose has yet been added to the ...

**science**

Thanks Ms. Sue!!

**science **

describe the inner planets.

**math**

How do you know its a right angle when the answer is 34 i thought it has to be 90?

**art**

i need help for answer please!!! ;)

**Math**

The probabilities for randomly picking out marbles from a jar are given below. Green: 0.3 Blue: 0.2 Red: 0.2 Yellow: 0.3 What is the probability of picking out a marble that is not green and not yellow?

**history**

disagree on the first, agree on the second.

**Equations with Fractions**

4/5 - 3/10 = 8/10-3/10 = 5/10 = 1/2 so 6 gallons is half a tank :)

**Biology **

Please help with these questions question: Oxygen consumption by a growing culture of Escheri... oxygen consumption by a growing culture of Escherichia coli bacteria. What could explain the gradual consumption of oxygen, even though no glucose has yet been added to the ...

**Calculus**

what does y = e^.5 x look like? at x = 0, y =e^0 = 1 at x = .1, y .= e^.05 = 1.05 at x = .2 y = 1.11 at x = ln(3) = 1.098 = 1.1 y = e^.5 ln (3) = e^ln (sqrt 3) = 1.73 well, y goes from 1 at x = 0 to y = 1.73 at x =1.1l so it looks like washers but the sensible way might be to ...

**Biology **

Please help with these questions question: Oxygen consumption by a growing culture of Escheri... oxygen consumption by a growing culture of Escherichia coli bacteria. What could explain the gradual consumption of oxygen, even though no glucose has yet been added to the ...

**calculus- optimization**

I will work on 1/4 of the circle y = height x = half of width r^2 = x^2 + y^2 = 4 A = x y so x = A/y A^2/y^2 + y^2 = 4 A^2 + y^4 = 4 y^2 let p=y^2 p^2 -4p = -A^2 p^2 - 4p + 4 = -A^2+4 (p-2)^2 = - (A^2-4) p = 2 so y = sqrt 2 and A = 2 and x = 2/sqrt2 = sqrt 2 so height= y = ...

**Math**

A rectangle has the area of 25 square feet. A similar rectangle has an area of 240 square feet. What is the ratio of the area of these similiar triangles?

**Science**

The combined resistance of two identical resistors connected in series is 8 ohm. Their combined resistance in a parallel arrangement will be?

**Biology **

Please help with these questions question: Oxygen consumption by a growing culture of Escheri... oxygen consumption by a growing culture of Escherichia coli bacteria. What could explain the gradual consumption of oxygen, even though no glucose has yet been added to the ...

**life orientation**

explain in a short paragraph what can trigger spectator aggression in sport

**thinking works math**

Part 'A' answer: Show all of your calculations and label your answer. *

**Phyiscs**

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 4.2m, 3.0m and 0.6m?

**Science 6**

I think you are right.