Tuesday
September 30, 2014

Posts by Barb


Total # Posts: 274

Algebra
Triangles ABC and DEF are similar. Find the area of triangle ABC. Round your answer to the nearest tenth. Triangle ABC has a base of 12m. Triangle DEF has a base of 18m and height of 12m
May 7, 2014

algebra
Solve the inequality graph solution 8| x+3/4|<2answers are ,x< -1or x>-1/2, -5/32<x<5/32, -1<x<-1/2, x<-5/32or x>5/32 thank you
February 25, 2014

algebra
Solve the absolute value equation graph solution 2|3 x-5|-8=8 answers are x=1 5/6or x=5/6, x=1 or x=4 1/3, x=1 5/6or x=4 1/3, x=1 5/6or x=-1 thank you
February 25, 2014

Physics
Problem 1 (80 points) Consider a spring of equilibrium length L, lying horizontally in a frictionless trough. The spring has cross sectional area S perpendicular to its length. The trough constrains the motion of the spring so that any wave propagating along the spring is a ...
January 29, 2014

geometry
if a scale factor of four is used, the points in the image will be eight times as far from the origin as at he pre-image points true or false
June 28, 2013

algebra
The ball is kicked straight up in the air from 4' off the ground Original velocity is 60' per second How many secs does it take to hit the ground. Do I use complete the square, square root property, quadratic formula, factoring? formula is h= 16tsquared + 60t +4
May 22, 2013

legal writing 2
i am suppose to write 2 legal memorandum sally bright v. john bright and john bright v. sally bright child custody case. mother wants to take minor child out of the country.
May 4, 2013

legal writing 2
i need help writing 2 legal memorandum on sally bright v. john bright. custody of minor
May 4, 2013

legal writing 2
legal writing project 2 sally bright v. john bright
May 4, 2013

computer-assisted legal research part 2
what is ascii text?
April 18, 2013

chemistry
In the experiment you have added 50.0 mL of Ni(H2O)6 2+ to the calorimeter. To this you add 5.0 mL of ethlylenediamine and measure the change in temperature of the solution as the reaction proceeds. The temperature increases by 3.4 oC. Calculate the enthalpy (H) for ...
April 9, 2013

Math
A carpenter agrees to work under the conditions that he is to be paid $5.50 every day he works, but must pay $6.60 every day he does not work. At the end of 30 days he finds he has paid out as much as he has received. How may days did he work?
April 3, 2013

Math
A merchant visited 3 fairs. At the first, he doubled his money and spent $30; at the second he tripled his money and spent $54; at the third, he quadrupled his money and spent $72, and then had $48 left. How much money had he at the start?
April 3, 2013

Math
30 flasks--10 full, 10 half-empty, and 10 entirely empty--are to be divided among 3 sons so that flasks and contents should be shared equally. How may this be done?
April 3, 2013

paralegal
what should you do in writing a memorandum?
March 30, 2013

Math
Prove: If the hypotenuse and an acute angle of one triangle are congruent respectively to the hypotenuse and an acute angle of another right triangle, then the two triangles are congruent.
March 26, 2013

Math Please Help
Show that the central cell of a normal magic square of the third order must be occupied by 5. Show that in a normal magic square of the third order 1 can never occur in a corner cell.
February 27, 2013

Math - Please help
1/3x + 1/8x + 1/4x + 1/5x + 10 + 1 = x
February 20, 2013

Math-Please Help
That you so much. Archimedes is probably turning over in his grave!!
February 18, 2013

Math-Please Help
While rummaging, Bernard found a figurine that he believed to be made out of silver. To test his guess, he looked up the density of silver and found it to be 10.5g/cm^3. The figure had a mass of 149 g. To determine its volume, he dropped it into a cylindrical glass of water. ...
February 18, 2013

Math-Please Help
Thank you!!
February 18, 2013

Math-Please Help
A piece of iron weighs 45 oz and has a volume of 10 in^3. Determine the density of iron in g/cm^3.
February 18, 2013

Math (PreAlgebra) 8thG
Multiply: 4/3* 3.14 * 10^2 = 1256/3 = 419 ft^3
February 18, 2013

Math - Please Help
While rummaging in his great aunt's attic, Bernard found a small figurine that he believed to be made out of silver. To test his guess, he looked up the denisty of silver in his chemistry book and found it to be 10.5 g/cm^3. He found that the figure had a mass of 149 g. To...
February 18, 2013

Math - Please Help
The surface area of a right circular cylinder is 1200 cm^2 . If the height of the cylinder is twice its diameter, find the dimensionsof the cylinder. I know th formula for SA is SA = 2pir^2 + 2pirh I know h = 2d. I know r = 1/2 d What is h in relations to r? Is is 4r?
February 18, 2013

Math-Please Help
The arch is made up of equilateral triangular sections with double walls of steel 3 feet apart. Space between the walls is filled with reinforced concrete. Sizes of the sections vary, but a section at the bottom of the Arch has 54-foot sides and is 12 feet tall. About how much...
February 18, 2013

Math - Please Help
A right circular cone has a volume of 140 in^3. The height of the cone is the same length as the diameter of the base. Find the radius and height.
February 17, 2013

Math - Please Help
A chunk of oak firewood has a mass of about 2.85 kg and has a volume of 4100 cm^3. Determine the density of oak in g/cm^3.
February 17, 2013

Math
Associative Property of Multiplication
February 17, 2013

Math
Please explain (45/4)^2. One boat is headed due east at 20 mph, and one heads due south at 15 mph
February 10, 2013

Math
Two boats leave a dock at the same time. One heads due east at 20 mph, and one heads due south at 15 mph. How far apart are the two boats after 45 minutes have elapsed?
February 10, 2013

Math--Please Help
A traverse with five sides has interior angles with the following measures: 121deg 45 min: 118 deg 25 min; 87 deg 32 min; 98deg 34min, and 113 deg 54 min. Does the traverse close? If not, determne the error in the traverse.
February 4, 2013

math
The LCD is 20. You will get 7 8/20 - 2 15/20. In the fraction, you can't subtract 15 from 8. Therefore you have to borrow 1 from 7. (20/20 = 1--so add 20 to 8, gives 28). 6 28/20 - 2 15/20 = 4 13/20
February 2, 2013

math
LCD = 40 14 9/40
February 2, 2013

Math
The LCD is 36. You will get 11 9/36 - 5 32/36. You cannot subtract the fraction, therefore you have to borrow one from the 11 (36/35 = 1 Then add 9 to 36 which gives 45). 10 45/36 - 5 32/36 = 9/36 = 1/4 You have to reduce the fraction.
February 2, 2013

Math
A circular table has a diameter of 48". The table can be enlarged by inserting two rectangular leaves, each 18" wide and 48" long. What is the area of the expanded table?
February 2, 2013

math help now please
In a rectangle all angles are right angles, which means they measure 90 degrees.
February 2, 2013

Math--Please help
Prove that no isosceles right triangle exists whose sides are integers.
February 2, 2013

MATH
Two angles are complemtary if their sum = 90. Two angles are supplemtary if their sum = 180. 55.1 + 124.9 = 180 55.1 + 119.9 = 175 55.1 + 49.9 = 105 Therefoe 55.1 + 124.9 = 180 are supplements.
February 2, 2013

Math
The area of a rectangle is 12 and the width is 3/4 the length. What are the dimensions?
January 31, 2013

Math
Thank you so much!!
January 31, 2013

Math
Show that z/pq = 1/pr + 1/qr, where r = (p + q)/z Finding decmpositions of a fraction into 2 units as indicated on a paprus written in Greek.
January 31, 2013

Math -- Please Help
Solve the system xy = 1, x + y =a by using the identity (x - y/2)^2 = (x + y/2)^2 - xy
January 31, 2013

Math-Please Help
Dimensional Analysis How do you go from 50 kg/m to g/cm?
January 28, 2013

math
-14s-1 true or false
January 17, 2013

math
the quotient of n and 5 is 4 times n find equation
January 17, 2013

4th grade math
Barb is making a bead necklace. She strings 1 white bead, then 3 blue beads, then 1 white bead, and so on. Write the numbers for the first eight beads that are white. What is the rule for the pattern. Please help me explain this to my 4th grader
January 14, 2013

Math--Please Help
A pizza bx with a square base is to be made from a rectangular sheet of cardboard by cutting six 1-inch square from the corners and the middle sections and folding up the sides. If the area of the base is to be 144 in^2, what size piece of cardboard should be used? Please ...
January 13, 2013

Math Please Help
A pizza box top with a square base is to be made from a rectangular sheet of cardboard by cutting six 1-inch squares from the corners and the middle sections and folding up the sides. If the area of the base is to 144 in^2, what piece of cardboard should be used. Please ...
January 13, 2013

Math--Please Help
Please explain how you got 14" x 14"
January 13, 2013

Math--Please Help
A pizza box with a square base is to be made from a rectangular sheet of cardboard by cutting six 1-inch squares from the corners and the middle sections folding up the sides. If the area of the base is to be 144 in^2, what size piece of cardboard should be used.
January 13, 2013

math
Multiply: $500.00 x .0045 = $2.25 Remember to move the decimal two places. $500.00 x .0325 = $16.25 Then subtract $16.25 - 2.25 = $14.00 The annual difference will be $14.00
January 13, 2013

Math
A pizza box with a square base is to be made rom a rectangular sheet of cardborad by cutting six 1-inch squares from the corners and the middle sections and folding up the sides. If area of the base is to be 144 in^2, what piece of cardboard should be used?
January 12, 2013

Math
7 1/6 7 8/48 6 56/48 -4 5/8 = -4 30/48 = -4 30/48 = 2 26/48 = 2 13/48 First find the LCD LCD is 48 You cannot subtract 8 from 30. So you have to borrow 1. 1 = 48/48. Now 7 becomes 6. Add 8+48 = 56. Now subtract 6 56/48 from 4 30/48 = 2 26/48. Now reduce. The answer is 2 13/24...
January 12, 2013

trig
angles of elevation to an airplane are measured from the top and the base of a building that is 40 m tall. The angle from the top of the building is 31°, and the angle from the base of the building is 40°. Find the altitude of the airplane. (Round your answer to two ...
November 28, 2012

Math
What is the reciprocal of .26
October 31, 2012

Chemistry (edit)
What is wrong with this ionic equation and what is the correct way to write it? Cl2(aq)+ 2K+(aq)+2Br(aq)->Br2(aq)+ 2K+(aq)+ 2Cl-(aq)
October 7, 2012

Chemistry
What is wrong with this ionic equation and what is the correct way to write it? Cl2(aq)+ 2K+(aq)+2Br(aq)->Br2(aq)+ K+(aq)+ 2Cl-(aq)
October 7, 2012

Chemistry
I am doing a experiment with ice and i have to discuss the accuracy and precise of an uncertainy measure. How to express that answer.
September 7, 2012

chenistry
how many calories are required to melt a 135.0g sample of ice at 0.0 c
September 5, 2012

math
-3/4+7/12-(-5/6) the answer I get is o.6666667.
July 24, 2012

math
(14d+16+24d)-11+2(3d-2) Please help or give formula.
July 24, 2012

math
diameter of coin is 26 mm in length find circumference & area of coin.Is 13 the answer for circumference of coin?
July 23, 2012

math
I'm really confused.Can't seem to getii.
July 23, 2012

math
diameter of coin is 26 mm inlength.Find circumference & area of coin .
July 23, 2012

math 122
the probability of having teams that will attract a large crowd is 0.7 and the probability of having good weather is 0.85. find the expected concession sales attractive teams, good weather $480,000 attractive teams bad weather $400,000 Unattractive teams good weather $320,000 ...
May 6, 2012

pre algebra
how do u know the answers shown on the computer for What do they call the international hoola hoop championships?are correct
May 3, 2012

math
the water in leroy's and jerod's fish tank has evaporated so it was about 5/8 inch below the leverit should be.they added water and the water level went up about 3/4 inch.did the water level end up above or below where it should be? answer
March 9, 2012

math
33 1/3+p=100%
March 9, 2012

math
6.4-y=6 2/5 y=
February 28, 2012

ENGLISH
what is the mood
December 16, 2011

calculus
find an antiderivative F(x) of f(x)=11x-sqrt(x)
December 2, 2011

math
using 100 ft of fence material an dbuilding a regular gexagon garden, what is the area of the garden?
November 28, 2011

Cultural Diversity
__________ of the environment is a learning approach proposed by influential child development theorists. It advocates that adults should be responsive to children and highly interactive with them. A)Low-context interpretation B)Interpersonal transformation C)Multi-dimensional...
November 27, 2011

distributive property
Use the distributive property to solve 38 x 50???
November 21, 2011

Math
Use the compound interest formula A=P(1+r)^t and the given information to solve for r. A=9,000,000 P=60,000 t=40
October 23, 2011

Algebra
Find the payment necessary to amortize a 4% loan of $900.00 compounded quarterly , with 11 quarterly payments?
October 23, 2011

algebra
each week you gave a quiz in social studies and science class. find the probability both quizzes given on the same day tell if independent or dependent
October 20, 2011

Research Methods
Why do well crafted Small-N research designs have such high internal validity?
October 15, 2011

Chemistry
Acetic acid has a pK of 4.8. How many mL of 0.1M acetic acid and 0.1M of sodium acetate are required to prepare 1 liter of 0.1M buffer solution having a pH of 5.8?
September 14, 2011

geometry
a cylinder that has a diameter of 2.5in. and length of 5.5ft, determine the volume of a) inches; b)feet
April 10, 2011

accounting
what is the total liabilites and the owners equity in the balance sheet you prepared in exam figure 4? a. $,5,906.54?
March 29, 2011

calculus
find the area of each circle. use 22 over 7 for pie. and radis for 15 in.
February 27, 2011

math
buses to the stadium leave central station every 10 minutes buses to the zoo leave central station every 16 minutes both buses leave central station at 4 p.m. find the next time both buses will leave central station at the same time.
January 11, 2011

math
Buses to the stadium leave central station every 10 minutes.buses to the zoo leave central station every 16 minutes both buses leave central station at 4 p.m.find the next time both buses will leave central station at the same time
January 11, 2011

math
jared wants to save $100 to buy a tennis racket.he saves $8 each week,and his mother gives him an extra $0.25 for each dollar he save.determine the number of weeks it will take jared to save $100.
January 11, 2011

PreCalc
Find all real zeros of the polynomial f(x)= x^4 -130x^2+3969 and determine the mutiplicity of each.
December 14, 2010

Accounting Specialized Journals
In store credit customer makes purchase on account for $50.00, invoice #18. What do the enteries look like using specialized journals, general ledger and subsidiary ledger sheets please?
December 5, 2010

Accounting Specialized Journals
Store owner makes a $80.00 purchase, goods for resale, and uses check $143. Using Specialized journals, general ledger and subsidiary account, what is the correct posting please.
December 5, 2010

Accounting Specialized Journals
what does customer pays $150.00 toward account at store. What does that look like using specialized journals, general ledger and subsidiary ledgers please
December 5, 2010

Accounting Specialized Journals
how to use specialized journals, general ledger, and subsidiary ledger sheets to ... business owner purchased $200 product on account to be resold...what does that correctly look like, please?
December 5, 2010

Precalc
Find the vertex and focus of the parabola. (x^2)-(24y) = 0
December 3, 2010

PreCalc
Find the standard form of the equation of the ellipse with the following characteristics. foci: (+/-5, 0) major axis of length: 22
December 2, 2010

PLEASE HELP ME MATH
I understand, although mathlab checked it wrong and gave me this problem. I SIMPOLY do not understand this when it comes to radicals. And furthermore mathlab has a habit of checking problems wrong when they are indeed right.I understand how to FOIL, I just do not know how to ...
November 12, 2010

PLEASE HELP ME MATH
I only have 1 hour to get this question answered. Thank you in advance. I need a quadratic equation in the variable x given the solutions: -7 sqrt 7, and 7 sqrt 7 This needs to be in the standard form of ax^2+bx+c=0. Can someone please help me with this???? I am so lost!!!!
November 12, 2010

Math!!!!
I am getting desperate. Can someone please help me with this and thank you in ADVANCE!!!! WRITE A QUADRATIC EQUATION IN THE variable x given the solutions: -sqrt7, 7sqrt7.This needs to be in the standard form ax^2 + bx+c=0. I really need help as this is due in about 2 hours.
November 12, 2010

math!HELP!!
I forgot to give the given numbers. -sqrt10 and 8sqrt10
November 12, 2010

math!HELP!!
write a quadratic equation in the variable x having the given numbers as solutions. Use ax^2 + bx + c=0 Thanks so much for the help
November 12, 2010

math
thankyou so much in advance.I need to write an equation in the variable x having -sqrt5,6sqrt5 as solutions. This needs to be in standard form ax^2 + bx +c =0. Thank you again and can you show me how you worked It?
November 12, 2010

math
A)59.50-59.50(.40) 59.50(.40)=23.80 This is the discount subtract the 23.80 from 59.50 and you get 35.70
November 11, 2010

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