# 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

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

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.

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! :)

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