# Posts by anonymous

Total # Posts: 108,561

**Calculus**

Consider the differential equation dy/dx = x^2(y - 1). Find the particular solution to this differential equation with initial condition f(0) = 3. I got y = e^(x^3/3) + 2.

**Science**

Thank you Damon

**Science**

@bobpursley I actually tried, guess I'm just stupid so thanks.

**Science **

PLEASE CHECK MY ANSWERS :) answers marked below 1. Which of Earth’s spheres contains most of its mass? (1 point) atmosphere *** hydrosphere geosphere biosphere 2. Erosion and weathering are examples of which types of forces? (1 point) constructive forces destructive ...

**L.A.**

It's important to be patient on this website. Ms. Sue has to help other students too.

**math**

Your welcome :)

**math**

thanks so much!

**math**

ooops. That's actually negative 5 not positive.

**math**

Function Rule: 5x -1= y

**math**

i need help... i dont know hoe to explain this or how to solve it. Find the function rule: x= -2,-1,0,1,2 y= 9,4,-1,-6,-11

**Math**

I can't do this for you. What do you need help with?

**electrical**

A 20v battery with an internal resistance of 5ohm is connected to a resistance of x ohm if an additional 6ohm resistance is connected across the battery find the value of x so that the power supplied externally by the battery remains the same

**7th grade ss unit 1 lesson 13 test**

I suggest that you read your text book. I know that all home schools send you a text book. Read, find the answer, and then we will check it for you.

**Math**

don't you have a formula for the future value of an annuity?

**math**

Draw the diagram. If the horizontal distance from the hill to the tower is x, then if the tower's height is h, we have 50/x = tan45 (50-h)/x = tan30 eliminating x, we get 50 cot45 = (50-h) cot30 Now just solve for h

**Equation of planes**

how about z=3 x=4 x+z = 10 any plane not including y in its equation, and not having (0,0,0) in the plane. That leaves y free to be any value. The plane is defined by a line in the x-z plane.

**Dynamics of rigid bodies**

The car is traveling at a speed of 60 mi/hr as it approaches point A. Beginning at A, the car decelerates at a constant 7ft/sec2 until it gets to point B, after which its constant rate of decrease of speed is 3ft/sec2 as it rounds the interchange ramp. Determine the magnitude ...

**Math fractions**

Eric Practiced piano and guitar for a total of 8 hours this week. He practiced the piano for one fourth of that time. How many hours did Eric practice the piano this week?

**math**

a phone tree is used to let committee members know ameeting is cancelled. The committee chair calls 5 people Those 5 people each call 5 people, and those additional people call 5 people. how many members have been called

**math**

If I give you $40 then the ratio of my money to yours is 4 : 5. On the other hand, if you give me $40, then the ratio is 8 : 1. How much money do both of us have? please show all steps

**English**

I disagree. I think the answer is D.

**English**

I can not do your entire assignment for you. But if you are confused on something, just ask! :)

**math**

Is it 10.80?

**math**

A store bought a chalkboard at a cost of $90 and marked it up 150%. Zach, who works as a salesperson at the store, makes an 8% commission on all of his sales. Yesterday morning, Zach sold the chalkboard. How much commission did he make from this sale?

**Math**

To solve this problem, I would convert the fractions to the same denominater. 1/4= 4/16 1/2= 8/16 1/8= 2/16 Now you add the fractions all together and you get 14/16. So I think 2 of the rows are carrots.

**Science**

Does this have anything to do with homework?

**Math**

I suggest that you scroll down on this page and you will see the same question. Other people have already answered this.

**Math- Interest Rates**

I think I can figure out the rest. Thank you!

**Math- Interest Rates**

Is the rate 8%??

**Math- Interest Rates**

Give me a second to think...

**Math- Interest Rates**

What is the principle? I don't remember.

**Math- Interest Rates**

Yvonne put $4,000 in a savings account. At the end of 3 years, the account had earned $960 in simple interest. A. how much does she have in her account at the end of 3 years? B. at what annual simple interest rate did the account grow? c. how many more dollars would she have ...

**social studies**

Lincoln did it at Gettysburg! He was president during the Civil War !!!!

**chemistry**

So the one with lowest value is the strongest? Ex: Mn(s) is -1.18

**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! :)