Monday

May 25, 2015

May 25, 2015

Total # Posts: 3,412

**algebra**

write the equation in logarithm form a) 343=7^3 b) 25-(1/5)-^2 c A=bc Thank you for your help. I have no idea how to do this problem and I am getting stress.
*May 5, 2014*

**algebra**

MathMate, I want to thank you so much in how you explained it. Thank you again and have a nice evening
*May 5, 2014*

**algebra**

Let U=1,2,3,4,5,6,7,8,9,10 {x|x is multiply of 2} U {x is multiply of 7}
*May 5, 2014*

**math**

the circumference of a circle is 120 millimeters. Which of the following inqualities is true for d, the diameter of the circle measured in millimeters? A. 10<d<20 B. 30<d<40 C. 50<d<60 D. 70<d<80
*May 5, 2014*

**algebra**

Let U= 1,2,3,4,5,6,7,8,9,10 {12345 n 34567 Thank you
*May 4, 2014*

**algebra**

thank you Steve it is appreciated very mush
*May 4, 2014*

**Chemistry**

Im not exactly sure what how to solve this with the way my teacher asked this question. "For hydrogen atom transitions calculate E, v, and wavelength:" Ni= 1 li= 0 Mli= 0 Msi= -1/2 Nf= 2 Lf= 0 Mlf= 0 Msf= -1/2 E(kj)= ? v(Hz)= ? wavelength(m)= ?
*May 3, 2014*

**algebra**

solve the equations 21E-7=0 I came up with 0.33 am I right or wrong
*May 2, 2014*

**Probability**

1)2/lambda 2)4/lambda CORRECT!!!!!
*May 1, 2014*

**algebra**

thank you Ms. Sue
*April 30, 2014*

**Probability**

1)1/8 2)1/8 3)1/8 4)1/6 5)5/16 6)10/3 CORRECT ANSWERS
*April 30, 2014*

**algebra**

a certain test us worth 125 points (rounded to the nearest point are need to obtain a score of 75%
*April 29, 2014*

**algebra**

if you multiply a number by 4 and than subtract negative 10, the difference is a negative 26. what is the number
*April 29, 2014*

**algebra**

the pitch of a roof is the ratio of the rise to half span. If a roof has a rise of 6 feet and a span of 20 feet what is the pitch. Thank you
*April 29, 2014*

**probability**

a = (lambda*s)^(m-n)*e^(-lambda*s) b = m-n c = lambda^m*s^(m-n)*t^n*e^(-lambda*(s+t)) d = m-n f = (s^(m-n)*t^n)/((s+t)^m) g = m h = m-n E[NM] = (lambda*t)*(lambda*s)+lambda*t+(lambda*t)^2 ALL CORRECT!!!
*April 29, 2014*

**probability**

1) (LW)/(LE+LW) 2) (LE)*e^(-(LE)*x) 3) e^((-LW)*2*t) 4) ((LE)^7*v^6*e^((-LE)*v))/(720) the rest i haven't done it. If anyone i would be gradeful
*April 29, 2014*

**Alegra**

Suppose that a spreadsheet contains the following values. A1 6 B1 -4 C1 2 D1 3 Determine the value of cell E1 if it contains the following formulas. a) +A1 + B1 E1= 2 got that one right b) +4*A1 + 5*B1 got that one wrong c) +C1*(A1 +3*B1) got that one wrong d) +A1+...+D1 or ...
*April 26, 2014*

**algebra**

I have try this three different way and still can not come up with the correct answer, could you guide me the right way. suppose that a spreadsheet contains the following values, A6, B-4, C2, D3 it said to determine the value of cell E1 if it contains the following formulas. a...
*April 25, 2014*

**Statistics **

For the following set of scores: X Y 6 4 3 1 5 0 6 7 4 2 6 4 a) Compute the Pearson correlation. b) Add 2 points to each X value and compute the correlation for the modified scores. How does adding a constant to every score affect the value of the correlation? c)Multiply each ...
*April 24, 2014*

**algebra**

I have try this three different way and still can not come up with the correct answer, could you guide me the right way. suppose that a spreadsheet contains the following values, A6, B-4, C2, D3 it said to determine the value of cell E1 if it contains the following formulas. a...
*April 24, 2014*

**algebra**

solve the equation. Enter the answer as a comma-separated list. if there is no real solution, enter no real solution. x upper 2 - 10x+20=0
*April 24, 2014*

**Accounting**

In June 2011,Kelly purchased new equipment for $26000 to be used in her business.Assuming Kelly has net income from her business of $75000 prior to the deduction,what is the maximum amount of the cost recovery Kelly can deduct rounded to the nearest $,assuming she does NOT ...
*April 24, 2014*

**math**

michael purchased a certain number of one stock for a total of $176. the second stock was selling for $5 less per share. michael could have bough 5 more shares of the second stock for the same amount of money. how many shares of the first stock did michael purchase? how much ...
*April 21, 2014*

**Math**

In a sliding scale of 1 ticket cost $1.00 and 6 tickets cost $5.00 and 20 tickets cost $10.00, how many tickets should you get for $100.00?
*April 21, 2014*

**Penn Foster**

Dramatic irony means that
*April 20, 2014*

**algebra**

(AUB)NC 4,5,6,7,8,9,10 6,8
*April 20, 2014*

**algebra**

Let U = {4,5,6,7,8,9,10}, A = {4,5,6,7}, B = {4,5,8,9} and C = {6,8,10}
*April 20, 2014*

**Probability**

a and b ?????
*April 20, 2014*

**Probability**

èLMS = 0.1
*April 20, 2014*

**Probability**

èLMS= ?
*April 20, 2014*

**Probability**

please tell us the answer!!!!!!!!!!!!!!
*April 20, 2014*

**Probability**

1)0.0548 2) 3 3) 33 The answers are Checked are ok!
*April 20, 2014*

**algebra**

{1,2,8,9}
*April 20, 2014*

**algebra**

perform the given operation. Let U = {1,2,3,4,5,6,7,8,9,10} enter the answer {1,2,8} U 2,8,9}
*April 20, 2014*

**algebra**

1,3,5,7,9,
*April 19, 2014*

**algebra**

Perform the given set operation. Let U = {1,2,3,4,5,6,7,8,9,10}. Enter the answer as a comma-separated list. Enter EMPTY for the empty set. {3,7,9,} with a bold line over the top
*April 19, 2014*

**geometry**

two concentric circles with center E, AB = 40 CD = 24, CD is perpendicular to AE, and AB is tangent at C. FInd AF AB is chord in big circle. CD is chord in little circle and C is center of AB.
*April 13, 2014*

**math**

If a person currently consumes 3,500 calories per day and wants to cut back their daily amount by 250 calories each week, how many weeks will it take to reduce their daily caloric intake in half?
*April 10, 2014*

**Business**

Is this a better way to ask the question- Do you know what the 5 OMM costs of a resturant would be. I know what the 5 OMM costs are (raw materials and components costs, plant costs, labor costs, inventory costs, and distribution costs) but i am having trouble putting in a ...
*April 9, 2014*

**Business**

What are the 5 OMM costs of a restaurant?
*April 9, 2014*

**Math**

Can someone show me a model of what 8 divided by 0.3 would look like? Thanks
*April 8, 2014*

**Social Studies**

Read the speech below. It is a fictitious political speech by Peter, a candidate for the upcoming national election. Then answer the following questions: List all of the arguments in the speech List all of the non-arguments in the speech List all of the factual contents in the...
*April 4, 2014*

**Probability**

if anyone can provide the other answers .....
*April 3, 2014*

**Probability**

Can anyone please aswer the rest of the part??? I would be very gradeful
*April 3, 2014*

**Probability**

can anyone provide the answers??????
*April 3, 2014*

**Probability**

Can anonymous be more specific (please!)
*April 3, 2014*

**probability**

can anyone answer the rest of the problem set please?
*April 3, 2014*

**Math**

The three interior angles of a triangle are in a 1:3:6 ratio. Find the measure of the largest angle?
*March 25, 2014*

**Enghish Identify pronoun errors**

Identify the type of pronoun error in the sentence. 1 Neither of we boys was going to the ball game. A)reference B)case C)agreement 2)The papers are on the desk that I corrected. A)reference B)case C)agreement 3)The traffic pattern on the new road is slowed down by too many ...
*March 25, 2014*

**Enghish Identify pronoun errors**

1)No one is expressing their opinion. A)reference B)case C)agreement 2)They say we will not be able to afford to own houses in a few years. A)reference B)case C)agreement 3)The pronoun those is an interrogative pronoun used with singular nouns .True/False
*March 25, 2014*

**Enghish Identify pronoun errors**

The traffic pattern on the new road is slowed down by too many traffic lights and left turns .It has to be improved A)reference B)case C)agreement A
*March 25, 2014*

**Enghish Identify pronoun errors**

Identify the type of pronoun error in the sentence. 1 Neither of we boys was going to the ball game. A)reference B)case C)agreement 2)The papers are on the desk that I corrected. A)reference B)case C)agreement 3)The traffic pattern on the new road is slowed down by too many ...
*March 25, 2014*

**Physics**

Two boxes of mass 7.40 and 7.00 kg are in contact and are accelerated across a horizontal surface by an force of 51.49 N applied parallel to the surface and pushing on the lighter box. The magnitude of the frictional force between the surface and the lighter mass is 9.26 N and...
*March 20, 2014*

**MATH**

BRIANNA HAS 4 PINK BRACELETS
*March 19, 2014*

**MATH**

1/8 OF TONY'S BOOKS ARE MYSTERY BOOKS
*March 19, 2014*

**math**

1/8 of Tony's are mystery books he had3 mystery books. How many books does he have in all?
*March 18, 2014*

**Statistics**

Determine the minimum sample size required in order to be 95% confident that our estimate is within 4% of the true percent of all US households using e-mail. Assume no prior estimate available.
*March 17, 2014*

**English**

who sound overconfident
*March 17, 2014*

**English**

If you drop your cell phone in water,
*March 17, 2014*

**English**

People who sound overconfident usually aren't. a. Adjective b. Adverb c. Noun
*March 17, 2014*

**English**

If you drop your cell phone in water, it is no longer covered by the warranty. a. Adjective b. Adverb c. Noun
*March 17, 2014*

**chemistry **

Calculate the pH for the hydrogen half-cell of the following voltaic cell if the observed cell voltage is 1.00 V. Mn|Mn2+(1.00 M)||H+(pH =?), H2(1.00 atm)|Pt
*March 15, 2014*

**Chemistry**

In a bomb calorimeter, a 6.50 g sample of octane (C8H18) is combusted. The combustion enthalpy for octane is -5.45 MJ per mol C8H18. The temperature change of the calorimeter is 16.5 oC. What is the heat capacity of the calorimeter?
*March 14, 2014*

**Math**

thank you
*March 5, 2014*

**Math**

In a recipe, we use 6 ounces of salt,32 ounces of butter and 48 ounces of flour. Write a reduced ratio for the quantity of butter to the quantity of flour,in a fraction form.
*March 5, 2014*

**Trig**

How do you solve this problem? y = 2sin 3x + 4sin 2x I haven't done these types of problems for awhile and have forgotten how to do them.
*March 5, 2014*

**4th grade math**

6/8=12/16so Mary shaded more
*March 4, 2014*

**Physc**

A symmetric projectile spends a total of 20 seconds in the air. It reaches a peak height of 8 meters. HOw long it takes to reach its peak height? The projectile has a range of 80 meters.What is its horizontal velocity? What is the projectile's horizontal acceleration? What...
*March 4, 2014*

**Science**

Which of the following is an impact of increased ocean acidification as caused by global climate change?
*March 4, 2014*

**AMERICAN HISTORY**

IN WHICH OF THE FOLLOWING COLONIAL WARS DID THE AMERICAN COLONIST CAPTURE THE FORT AT LOUISBOURG AND BEGIN TO CRAVED DOMINATION OVER THE ENTIRE WESTERN REGION THAT INCLUDES THE OHIO VALLEY A.QUEEN ANNES WAR B.KINGS GEORGES WAR C.KING WILLIAMS WAR D.WAR OF SPANISH SECESSION
*March 2, 2014*

**Algebra**

please solve 27750.00 +200 x=312.50
*March 1, 2014*

**MATH**

Brandon has a 55-gallon fish tank. He estimates he can drain the tank at an average rate of 11 gallons per minute. In a linear model of this situation, x represents the number of minutes the tank has been draining. Relative to this situation, what does the y-intercept ...
*March 1, 2014*

**math**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 27, 2014*

**math**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 27, 2014*

**math. Somebody help urgently please**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 27, 2014*

**Somebody please help urgently!**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 27, 2014*

**URGENT HELP WITH DISCRETE MATH PLEASE**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 27, 2014*

**URGENT! discrete math help please**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 27, 2014*

**math help**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 27, 2014*

**math **

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 26, 2014*

**discrete math help please**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 26, 2014*

**math**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 26, 2014*

**Physics**

Consider the earth following its nearly circular orbit (dashed curve) about the sun.(Figure 2) The earth has mass mearth=5.98×1024kg and the sun has mass msun=1.99×1030kg. They are separated, center to center, by r=93millionmiles=150millionkm. What is the size of ...
*February 25, 2014*

**discrete math help please**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 25, 2014*

**6th grade social studies**

the second one is: citan - a linen tunic or under garment. (is a vocabulary of Hebrew, arabic and persia) Good luck.
*February 24, 2014*

**6th grade social studies**

I am not sure but i think the first part is: djinnie - ( persian veil and tiara). The word Djinnie is an arabic word of persian origin. As soon as i figure out the other word, i will post the answer. Hope this helps.
*February 24, 2014*

**accounting**

Cash flow information: Direct and indirect methods The comparative year-end balance sheets of Sign Graphics, Inc., revealed the following activity in the company's current accounts:
*February 23, 2014*

**math**

Thanks
*February 19, 2014*

**math**

Two business partners, Ellen and Bob, invested money in their business at a ratio of 3 to 7. Bob invested the greater amount. The total amount invested was $200. How much did each partner invest.
*February 19, 2014*

**Geometry HELP HELP **

Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10 PLEASE HELP ME BELLS
*February 18, 2014*

**chemistry**

how many moles of vapor can be produced for 52 g of O2
*February 17, 2014*

**GEOMETRY CIRCLES EQUATION**

Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10
*February 17, 2014*

**Geometry Circles Equation**

Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10 I beg you
*February 17, 2014*

**geometry circles equation i dont know **

please he lp Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10 this is my first timein this website please help me need it badly my teacher will be angry at me so much
*February 17, 2014*

**help **

how to post a link with jksha knowing ?
*February 17, 2014*

**chemistry**

A 25.0-ml sample of 1.00M KBr and a 75.0-ml are mixed. The solution is then heated to evaporate water until the total volume is 50.0 ml. What is the Molarity of the KBr in the final solution
*February 9, 2014*

**math**

1421/7=
*February 7, 2014*

**math**

which is the best estimate for (6.3x10-2) (9.9x10-3) written in scientific natation
*February 3, 2014*

**PHYSICS**

A proton, initially traveling in the +x-direction with a speed of 5.30×105m/s , enters a uniform electric field directed vertically upward. After traveling in this field for 4.38×10−7s , the proton’s velocity is directed 45 ∘ above the +x-axis. ...
*January 28, 2014*

**Business law**

Ashley sees a maintenance crew from Acme Co. beginning to resurface her driveway, a service she has not contracted for. Ashley thinks a new driveway would be good, so she doesn’t say anything. If Acme sues Ashley for the value of the resurfacing, (Points : 1) Ashley wins...
*January 26, 2014*