Saturday

April 30, 2016
Total # Posts: 749

**Math Trig**

OH my god I feel very dumb because 1/1 is 169/169 Thank you !
*April 14, 2016*

**Math Trig **

use a double-angle formula to find the exact value of cos2u when sinu=5/13 , where pi/2<u<pi So far I went cos2u=1-sin^2 =1-2(25/169) =1-(50/169)
*April 14, 2016*

**biology**

When chromatids separate during anaphase two (in meiosis), do all the maternal and paternal chromatids stay together or do they randomly separate into the daughter cells?
*March 21, 2016*

**GT LA**

I think it is A 6th grader
*March 21, 2016*

**English**

Way to be blunt :-P.. Thanks for your help though.
*March 18, 2016*

**English**

Laughing and giggling throughout most of the story, the students weren’t just engaged—they were also amused. How can I fix that sentence? Or is it ok?
*March 18, 2016*

**Algebra**

Four people are on one side of a bridge. All of them need to cross a bridge in order to escape from a pack of zombies. They have 17 minutes before the zombies arrive and all four people must be on the other side of the bridge. It is night and there is one flashlight. A maximum...
*March 17, 2016*

**need help!**

That sucks, but thanks anyways.
*March 15, 2016*

**need help!**

I posted a question and didn't get it answered, why? The Joseph, Inc. uses the accrual basis of accounting. Joseph's insurance expense account had a $23,000 balance at the end of the year. The prepaid insurance account had a $6,000 balance at the beginning of the year ...
*March 15, 2016*

**Math**

The Joseph, Inc. uses the accrual basis of accounting. Joseph's insurance expense account had a $23,000 balance at the end of the year. The prepaid insurance account had a $6,000 balance at the beginning of the year and a $3,000 balance at the end of the year. How much ...
*March 15, 2016*

**Math**

A taxpayer is in the 28 percent tax bracket and invests it in a San Diego City Bond paying 7 percent. What taxable interest rate will provide the after-tax return? I don't understand the formula, so can you show me how it's calculated,please.
*March 5, 2016*

**algebra**

The units digit of a three-digit number is prime. The hundreds digit is twice the tens digit. How many of these three digit numbers are prime?
*March 1, 2016*

**halth**

According to the government’s My Plate program, half of our plate should have
*February 29, 2016*

**Accounting**

The income tax rate is 30% on current and is payable in the first quarter of 2014. The pretax income before the preceding adjusting entries is $6,800. The accounts are; Income tax expense Income tax payable. I do not understand this question and what it is asking for. Can you ...
*February 28, 2016*

**Accounting**

On April 1, 2013, Ringo Company borrowed $20,000 from its bank by using a 9%, 12 month note, with the interest to be paid on the maturity date. I need to know the amount of interest on the maturity date, the names of accounts the amount goes under, then I need to find the ...
*February 28, 2016*

**Accounting**

On April 1, 2013, Ringo Company borrowed $20,000 from its bank by using a 9%, 12 month note, with the interest to be paid on the maturity date. I need to find the interest paid on the maturity date, prepare a journal for it, and then make a reversing entry.
*February 28, 2016*

**Accounting**

On April 1, 2013, Ringo Company borrowed $20,000 from its bank by using a 9%, 12 month note, with the interest to be paid on the maturity date. Sorry about not being more descriptive. I need to find the maturity date, prepare a journal for it, and then find the reversing entry...
*February 27, 2016*

**Accounting**

On April 1, 2013, Ringo Company borrowed $20,000 from its bank by using a 9%, 12 month note, with the interest to be paid on the maturity date. I do not understand this question, can you help me out, please.
*February 27, 2016*

**Art**

thx
*February 26, 2016*

**Algebra**

Mr. Daniels bought an above-ground cylindrical swimming pool that has a diameter of 20 feet. He wants to know how long it will take to fill his pool to a depth of 4 feet using his garden hose. It takes him 15 seconds to fill a one-gallon jug. (Note: 1 gallon = 231 cubic inches.)
*February 24, 2016*

**Math**

Ramon, a single taxpayer, has adjusted income for 2015 of 98,000 and his itemized deductions total 19,000. What taxable income will show in 2015?
*February 20, 2016*

**Math**

Ramon, a single taxpayer, has adjusted income for 2015 of 98,000 and his itemized deductions total 19,000. What taxable income will show in 2015?
*February 20, 2016*

**Math**

Jason and Mary are married taxpayers in 2015. They are both under 65. For the tax year, they have a total of $41,000 in wages and $500 in interest income. Their deductions for adjusted gross income is $5,000 and their itemized deductions equal $7,950. They claim two exemptions...
*February 20, 2016*

**Math**

Jason and Mary are married taxpayers in 2015. They are both under 65. For the tax year, they have a total of $41,000 in wages and $500 in interest income. Their deductions for adjusted gross income is $5,000 and their itemized deductions equal $7,950. They claim two exemptions...
*February 19, 2016*

**math**

a chef is only making half of the frosting recipe 3 cups granulated sugar 1/4 teaspoon cream of tartar 1 1/2 cups of water 1 cup powdered sugar 1/2 teaspoon vanilla 1/2 teaspoon almond
*February 18, 2016*

**Algebra**

I was close! Thank you!
*February 8, 2016*

**Algebra**

HELP! I can't figure the formula out for this problem. a pitcher threw a baseball clocked at 90/mph. The pitcher’s mound is 60.5 feet from home plate. How long did it take, in seconds, for the ball to travel from the pitcher’s mound to home plate?
*February 8, 2016*

**Science**

all correct good job
*February 2, 2016*

**Science**

good job
*January 28, 2016*

**math**

two standard fair 6 sided dice are rolled. What is the probability that their values will differ by exactly two
*January 3, 2016*

**metreology lab**

1. Saturated (cloudy) air at a temperature of 20 °C (68 °F) has a relative humidity of _________%. 2. Compute the relative humidity (RH) to nearest percent for each of the following atmospheric conditions: a. vapor pressure = 6 mb, saturation vapor pressure = 18 mb, RH...
*December 31, 2015*

**Calculus**

ok, I got it, it worked out for me to be the same thing as when I used u=cosx
*December 23, 2015*

**Calculus**

Integrate sinx(cosx)^2dx using the substitution u=sinx. I know how to do this using u =cosx, but not sinx. The next problem on the homework was the same question except it asked to use u=cosx, so there couldn't have been a mistake.
*December 23, 2015*

**metreology**

Wien’s radiation law says that the wavelength of most intense radiation (λmax) emitted by a blackbody is inversely proportional to the absolute temperature (T) of the object. The surface of the Sun radiates as a blackbodyat a temperature ofT=6000 kelvins so that the ...
*December 22, 2015*

**metreology**

Within the troposphere, on average, the air temperature decreases 6.5 Celsius degrees for every 1000 m increase in altitude (3.5 Fahrenheit degrees per 1000 ft.).Based on these atmospheric conditions, predict the air temperature outside an airplane cruising at 24,000 ft.if the...
*December 22, 2015*

**Physics**

A zebra sees a lion 300 m to his right. The zebra starts running at 25 KpH straight ahead to get away. At this point the lion launches himself on an intercept course at the zebra at a speed of 31 KpH. a. At what angle does the lion launch himself? b. If both animals continue ...
*December 8, 2015*

**Physics**

James Bond and the ever present bond girl are on a dirt bike escaping from a car load of bad guys. If we have the following conditions: James Bond’s mass is 84 Kg The Bond Girl is 48Kg The Dirt Bike’s mass is 113.6 Kg The tires on the dirt bike are 0.6m in diameter ...
*December 8, 2015*

**math**

If I have 220 gallons of vinegar, how can this be converted into pounds.
*November 9, 2015*

**Math**

If I have 220 gallons of vinegar, how can this be converted into lbs.
*November 9, 2015*

**math**

how do you convert pounds into liters?
*November 3, 2015*

**math**

A bottler company dilutes and mixes concentrated juice with carbonated water then fills the blended beverage into two-liter bottles Brand 1 - 81,000 two-liters Brand 2 - 62,000 two-liters Assume that the concentrate costs $66 per pound for both Brand 1 and Brand 2 and is used ...
*November 2, 2015*

**math**

concentrated juice costs $66 per pound, how much will be spent to fill 81,000 two-liters?
*November 2, 2015*

**English/Poetry**

Hi! So, I'm learning about Iambic Pentameter in class and i'm very confused. I'm supposed to pick a song and figure out the pentameter. However, I'm not sure if the song I chose, American Pie by Don Mclean, even has one. Like when I look at the first line...&...
*October 10, 2015*

**physics**

A watch manufacturer claims that its watches gain or lose no more than 8 s in a year. How accurate is this watch, expressed as a percentage? Express your answer using one significant figure.
*September 4, 2015*

**Pre Algebra**

Use multiplying by 1 to find an expression equivalent to nine fourths 9 4 with a denominator of 3232xx.
*September 3, 2015*

**Math**

For a given interest rate, simple interest varies jointly as the principal and time. If $3000 left in an account for 6 years earned interest of $1260, then how much interest would be earned in 7 years?
*August 7, 2015*

**math**

Yup, this question is weird. They say its a equilateral triangle when the sum of the cubes of the two sides are equal to the square of the third...
*July 19, 2015*

**math**

If an equithagorean triangle is an equilateral triangle in which the sum of the cubes of two sides is equal to the square of the third side, what is the perimeter of an equithagorean triangle? A. 0.5 B. 1.5 C. 4.5 D. 6
*July 19, 2015*

**math**

The coordinates of two of the vertices of a square are (0,0) and (0, -4). Of the following, which could not be the coordinates of the point where the diagonals of the square intersects? A. (2, -2) B. (-2, 2) C. (0, -2) D. (-2, -2)
*July 18, 2015*

**math**

What is the sum of the roots of (x-1)(x+2)(x-3) X ... X (x+98)(x-99)(x+100) = 0? A. -50 B. 50 C. -100 D. 100
*July 18, 2015*

**math**

It's 4PM. If my raft leaves for Hawaii in h hours, where h is the sum of all integers x which satisfy ≤ x^2 ≤ 81, then my raft leaves for Hawaii at A. 4 PM B. 2 PM C. noon D. 8 AM
*July 18, 2015*

**math**

I don't get this question at all. These few questions are the only ones I need help with since I don't get it at all.
*July 13, 2015*

**math**

There is on real number x for which |x+1| - |x-1| = A. 4 B. 1 C. 0 D. -2
*July 13, 2015*

**math**

Which of the following is divisible by 6 when n is any integer? A. (2n+3)(3n+2) B. n(n+1)(n+2) C. (2n+3)(3n-2) D. n(n+2)(3n+6)
*July 13, 2015*

**math**

Yes, thanks! Can you help out with the other questions?
*July 13, 2015*

**math**

If xy+2x+3y+4=5, then y= A. 1-2x/3 B. 1-2x/x C. 1-2x/x+3 D. 1-3x/xy+3
*July 13, 2015*

**math**

If x+1995 represent the smallest of 1995 consecutive odd integers, then ? represents the 1995th of these same odd integers. A. x+3989 B. x+3990 C. x+5983 D. x+5985
*July 13, 2015*

**math**

Al and Alice went to a "being a Snack" party. Al spent 10 pennies + 16 dimes. Alice spent as much as Al, but her 26 coins consisted of only quarters and nickels, How many nickels did Alice spend?
*July 13, 2015*

**math**

1) p=-50 2)720
*July 8, 2015*

**6TH GRADE MATH **

Owen is fishing from a dock. He starts with the bait 2 feet below the surface of the water. He reels out the bait 19 feet then reels it back in 7 feet. what is the final position of the bait relative to the surface of the water? Write an expression to represent the situation. ...
*June 24, 2015*

**Statistics**

X 0 1 2 3 4 5 6 7 8 P(x) 0.05 0.1 0.3 0.1 0.1 0.1 0.1 0.1 0.05 =As the manager you check the cashier ( to see if you need to open a new cashier line). What is the probability that you find exactly 2 people waiting in line? please need to know how to solve it
*June 17, 2015*

**PHYSICS**

The force of repulsion between two identical negative charges is 3.95 N, when the charges are 35.0 cm apart. What is the magnitude of these charges?
*May 12, 2015*

**Algebra 1**

A square purple rug has a blue square in the center. The side length of the blue square is x inches and the purple region is 8 in. What is the area of the purple part.
*April 13, 2015*

**Economics**

A used car dealer bought a 1998 Volvo for $1,000. He paid a worker $200 to wash it. He purchased four tires for a total of $400 to replace the existing tires on the car. He sold the car for $4,000. All these economic activities took place in 2011. The used car dealer's ...
*April 5, 2015*

**Economics**

Here is Mrs. Baker's revenue and expenses for 2014: Revenue from sale of bread = $65,000 Cost of materials (such as sugar, yeast, baking soda, etc.) = $15,000 Wages paid = $20,000 Rent paid = $10,000 Mrs. Baker's contribution to the 2014 GDP was what? I'm confused ...
*April 5, 2015*

**math**

A student athlete runs 3 1_ 3 miles in 30 minutes. A professional runner can run 1 1_ 4 times as far in 30 minutes. How far can the professional runner run in 30 minutes?
*March 5, 2015*

**science**

it`s D
*February 21, 2015*

**stats**

A box contains 10 red balls and 20 blue balls. Three balls are selected at random one after the other from the box, without replacement. If the first two balls selected are both blue, what is the probability that the third ball selected is red?
*February 7, 2015*

**physics**

I was wrong i meant, 6)- 200
*January 27, 2015*

**physics**

Two towers(the towers are the same) are built next to each other. the distance between them is d and there height is 10,000d. a ball is thrown horizontally from one tower to the other with spped v=sqrt(gd/2). assuming the ball collied elasticlly with the wall, therfore his ...
*January 27, 2015*

**Math**

Although I am positive you are correct on the 8y part being +8y
*December 8, 2014*

**Math**

I found the answer to be y = (9x+9) / (10x+8) Please check to see if this is actually the correct answer.
*December 8, 2014*

**Math (Correction?)**

10xy-9x = 9-8y Wouldn't bringing 8y to the other side be 10xy+8y = 9+9x? not 10xy-8y = 9+9x
*December 8, 2014*

**Math**

f(x) = (9-8x) / (10x-9) f^-1(x) =
*December 8, 2014*

**algebra**

Develop a tree diagram for tossing two, eight-sided gaming dice to figure out how many possibilities there are. Discuss the purpose of using such a visual in working out probability.
*November 30, 2014*

**Physics**

The angular velocity of a wheel is given by w(t) = (2.00 rad/s^2)t + (1.00 rad/s^4)t^3. A. What is the angular displacement of the wheel from time t=0.00s to time t=T? B.What is the angular acceleration of the wheel as a function of time?
*November 23, 2014*

**Physics**

The angular velocity of a wheel is given by w(t) = (2.00 rad/s^2)t + (1.00 rad/s^4)t^3. A. What is the angular displacement of the wheel from time t=0.00s to time t=T? B.What is the angular acceleration of the wheel as a function of time?
*November 23, 2014*

**Math**

5/6 + 1/3 + 7/12
*November 20, 2014*

**MATH!!!**

4(1.5c+6)+-2c=-9
*November 19, 2014*

**Math **

sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),cos(2theta),tan(2theta) exactly sin(2theta) cos(2theta) tan(2theta)
*November 14, 2014*

**Math CHECK!**

I believe that it would be 25 / cos^2 theta but I am not entirely sure. or would i just add both
*November 14, 2014*

**Calculous**

Evaluate sin(theta) and cosine (theta) for the angle theta The graph gives you a point of (0.6,-0.8) on the x y coordinate plane with a radius of what appears to be 1 ( unit circle ) sin (theta) = cos (theta) =
*October 31, 2014*

**Math**

How do i find the length of a projection of a vector A=3x+y+2z on the xy plane? and how do i find the unit vector in the xy plane that is perpendiculer to vector A?
*October 31, 2014*

**Math**

a) prove the identity: Ax(BXC)=B(A*C)-C(A*B) A,B,C vectors x- cross product *-dot product b) use part a) to prove that cross product is not associative.
*October 31, 2014*

**physics**

How do i find the length of a projection of a vecor A=3x+y+2z on the xy plane? and how do i find the unit vecotr in the xy plane that is perpendiculer to vector A?
*October 30, 2014*

**physics**

How do i find the length of a projection of a vecor A=3x+y+2z on the xy plane? and how do i find the unit vecotr in the xy plane that is perpendiculer to vector A?
*October 28, 2014*

**math**

What to Do: Consider the following, and then do the calculations to solve (formulas and concept explanations in the book). Your business provides a service to local residents. Your fixed costs are $2,000 per month, and you expect 40 customers per month. The variable cost ...
*October 24, 2014*

**math**

Your business provides a service to local residents. Your fixed costs are $2,000 per month, and you expect 40 customers per month. The variable cost associated with each service is $35. 1. Using cost-based pricing and a markup of 20%, what should the price be? Show ...
*October 24, 2014*

**math**

What to Do: Consider the following, and then do the calculations to solve (formulas and concept explanations in the book). Your business provides a service to local residents. Your fixed costs are $2,000 per month, and you expect 40 customers per month. The variable cost ...
*October 24, 2014*

**math**

Your business provides a service to local residents. Your fixed costs are $2,000 per month, and you expect 40 customers per month. The variable cost associated with each service is $35. 1. Using cost-based pricing and a markup of 20%, what should the price be? Show ...
*October 24, 2014*

**hw**

A railroad car of mass m = 30000 kg moving at v1 = 2.9 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at v2 = 1.711 m/s. What is the magnitude of the kinetic energy lost in the collision? Answer...
*October 14, 2014*

**hw**

A 30-06 caliber hunting rifle fires a bullet of mass 0.00829 kg with a velocity of 662 m/s to the right. The rifle has a mass of 3.7 kg. What is the recoil speed of the rifle as the bullet leaves the rifle?
*October 14, 2014*

**physics**

A force of 3.25 N acts on a(n) 3.8 kg object for 16.5 s. What is the object’s change in momentum?
*October 14, 2014*

**Calc**

I need help finding the correct formula after finding the doubling time and continuous percentage. I got the doubling time of 24 days and the continuous percentage of 2.89%. Homework asking use the doubling time to find the continuous percent growth rate and give a formula of ...
*October 3, 2014*

**Science**

Help me unscramble the words acnsrl spgei
*September 14, 2014*

**Research Methods**

I have been racking my brain around standard deviation. I came to the conclusion it being a measurement of scores that entails a range of high or low due to the scores or variables. My question is: Why normality is required for standard deviation applicability?
*July 30, 2014*

**math**

Rich is 1.5 meters tall and cast a 0.75 meter shadow. At the same time a nearby flagpole cast a 3 meter shadow. How tall is the flagpole?
*May 21, 2014*

**Algebra Help!**

1.) The chief designer for a large automobile company is considering 4 different radiator grills, 2 different style of headlights, and 5 different rear fender designs. If an automobile style consists of a grill, headlight, and rear fender, how many different styles of ...
*May 8, 2014*

**Math Help!**

1. Find the 4th term in the binomial expansion.(2x + 3y)^6 2. Use synthetic division and the remainder theorem to find P(a). P(x)= x^5 + 3x^4 + 3x − 7; P(-1) 3. Factor the expression on the left side of the equation. Then solve the equation. x^6 + 128x^3 + 4096 = 0 4.) ...
*May 8, 2014*

**Math 120**

Drop a stone in a well, the sound is heard 17 seconds later. How deep is the well in feet
*April 27, 2014*