Wednesday

April 1, 2015

April 1, 2015

Total # Posts: 45

**Coll Algebra**

perimeter of a triangle is 30 cm. two sides of the triangle are twice as long as the shortest side how long is the shortest side
*January 20, 2015*

**algebra**

2x+3(x-2)^2
*October 4, 2014*

**Physics**

You're an investigator for the National Transportation Safety Board, examining a subway accident in which a train going at 88km/h km/h collided with a slower train traveling in the same direction at 25km/h km/h . Your job is to determine the relative speed of the collision...
*January 24, 2014*

**English**

Please double check my answers to make sure that I am thinking about each question correctly. Thanks. Last night, Lucy and Neil met Morey in Gramercy Park. 9. The object of the verb is A. Lucy and Neil. B. night. C. Gramercy Park. D. Morey. I picked D, since the verb is met ...
*October 23, 2013*

**Business Math**

You have 8 periods at 12% which gives you a table factor of 2.47596 so you so 50 x 2.47596 = 124
*June 27, 2013*

**Algebra**

Answer to david has scores of 79, 96, 63, 54 on his algebra tests. Use an inequality to find the minimum score he can make on the final exam to pass the course with an average of 70 or higher, given that the final counts as 3 tests.
*August 23, 2012*

**science**

A 51-g piece of ice at 0 C is added to a sample of water at 7-C all of the ice melts and the temp of the water decreases to 0 .If you used the 8200 Khan you expand in energy in one day to heat 47000g of water at 27-C what would be the rise in temp? What would the new temp of ...
*June 15, 2012*

**math**

I need help with my science project and I am dealing with the heart
*February 9, 2012*

**Math**

Which of the following statement is the contrapositive of (1) ."If I don't have money, then I don't spend it". (2)"If I spend money,then I have it" (3)If I don't spend money, then I don't have it."
*January 15, 2012*

**Algebra-please check**

Thank you
*December 12, 2011*

**Algebra-please check**

Please check these: 1.When the fraction 2/3 is used as exponent, wht role does the denominator 3 play in evaluating expression? I think it indicates cube root of the base,correct? 2.sqrt of (2^4x/4^-2x) is equilvalent to 2^4x, correct? 3.Simplify (2xy^-2z^4/y^-3/z^3)^2 would ...
*December 12, 2011*

**mRNA biology**

use the universal triplet code to determine the sequence of amino acids that would be generated for mrna sequence 5'atggatgaaacgggctaggua3'
*October 29, 2011*

**Pre-Calculus/Trigbobpursley please recheck **

Whenn I get to (x-3)(x^2+9) and FOIL wouldn't it be x^3 +9x-3x^2 -27? I get (-3x^2) not (3x^3) when I multiply -3 times x^2 or am I missing something Thank you
*September 5, 2011*

**Pre-Calculus/Trig Check please and help**

Could someone please check the first one and help me with the second one. I'm stuck-Thank you 1.What are theroots of the following polynomial equation? (x+2i)(x-5)(x-2i)(x+8) = 0 I think the roots are -2i,5,2i,-8-you take out the roots as opposites of what are in the ...
*September 5, 2011*

**Psychology**

I have to write a paper on Psychological disorders from a specific perspective. I was going to choose Cognitive-behavioral and then systematic desensitization. I have to Develop an explanation for disorders from this perspective and describe the type of treatment that might be...
*August 21, 2011*

**maths**

a 10cm multiplied 10cm multiplied 10cm wooden block is painted red n all of it face. it is then cut into cubes, 10cm on each edge solve
*June 18, 2011*

**Social studies**

In 1789 the Constitution became the basis for the United States federal government, with war hero George Washington as the first president. The young nation continued to struggle with the scope of central government and with European influence, creating the first political ...
*June 18, 2011*

**Algebra 1B**

ax^2+bx+c=0 solution: 9, only solution
*January 22, 2011*

**Trig**

Find the exact value of sin75degrees+ sin15degrees.
*January 20, 2011*

**Trig**

Solve:cos^2x=1 for 0 < x is less than or equal to 2pi
*January 20, 2011*

**Trig**

Solve: cos2x(2cosx+1) for 0degrees is less than or equal to x is equal to or less than 360degrees
*January 20, 2011*

**Trig**

Verify:cos(360degrees-x)=cos x
*January 20, 2011*

**Trig**

Verify that 7pi/6 is a solution to 2sin2x–sinx=1.
*January 20, 2011*

**Trig**

Verify the identity: tanx/secx-1=secx+1/tanx
*January 20, 2011*

**Math/Trig**

Find the area of a sector of a circle with a radius of 3 m and a central angle of 125degrees.
*January 14, 2011*

**Trigonometry**

The diagram below shows a mass, a spring, and a near-frictionless surface. If you pull the mass back 10 cm and then release it, the mass starts to oscillate. The distance of the mass from the wall is modeled by the equation y = 3sin(4pi t + pi/2) + 7 cm, where t is the time in...
*January 14, 2011*

**Trigonometry**

A carnival Ferris wheel with a radius of 7 m makes one complete revolution every 16 seconds. The bottom of the wheel is 1.5 m above the ground. The ride starts at the bottom. Find the sinusoidal function that models this Ferris wheel in terms of time (t) in seconds.
*January 14, 2011*

**Math/Trig**

Given A=56degrees, C=61degrees, and b=10.5, solve triangle ABC. If no triangle exists, explain why. If two solutions exist, write both. Round your answer to the nearest tenth
*January 13, 2011*

**Math**

For problems 1 and 2, determine how many solutions there are for each triangle. You do not have to solve the triangle. 1. A = 29°, a = 13, c = 27 2. A = 100.1°, a = 20, b = 11 For problems 3-6, solve each triangle using the Law of Sines. If there is no solution, write...
*January 13, 2011*

**math**

in 1935 during the great depression why couldnt a person living in new york city be buried west of the mississippi river?
*September 7, 2010*

**Algebra 2**

Make a table with a process column to represent each pattern. Write an expression for the number of circles in the Nth figure. The first figure is 5 circles long and 2 circles wide, the second 5 circles long and 3 circles wide. How do I complete this problem? I just need some ...
*August 24, 2010*

**math**

how do you make four 8s into 640??
*March 15, 2010*

**6th grade math**

I did not get 5 for this.. I got 1.. It is due tomorrow, someone plz help me!
*March 4, 2010*

**math**

how do you compare -71/3 to -9
*January 8, 2009*

**English**

That helps. Thanks!
*May 10, 2008*

**English**

Edit.. I decided he's using pathos as one of the rhetorical devices. but what else?
*May 10, 2008*

**English**

What are specific rhetorical devices…? How did the speaker address arguments and counter arguments? Were the speaker’s arguments effective? Kane: with one purpose only: to point out and make public the dishonesty, the downright villainy, of Boss Jim W. Gettys' ...
*May 10, 2008*

**world geography**

Each exam is different there is not the same exam out there
*April 14, 2008*

**science**

Assume we have a cannon which has a mass of 572 stones. Stones is an English unit. Which fires a projective which has a mass of 40 pounds horizontally. The projective has a velocity of 9,000,000 football fields/fortnight. (A football field is 120 yards. A fortnight is 14 days...
*February 14, 2008*

**math**

if i had to divide the numerater and denominator then multiply 18 over 35 times 14 over 45 how would you do it ?
*January 30, 2008*

**physics**

when excerising using a spring you pull the spring 0.30m with a force of 365N. What distance will the spring stretch from its zero position if you applied a force of 400N?
*October 14, 2007*

**Science**

How do compare and contrast the carbon dioxide emissions from the following countries: USA China Russia Federation Japan India Canada France
*September 19, 2007*

**Music**

I am being homeschooled and am having a tough time with my music course. The teacher doesn't really want to help me maybe you can. I need to write a short fugue with 4 voices in the key of g minor and i need to include any necessary accidentals. Thank you for using the ...
*March 21, 2007*

**ENGLISH HELP**

What needs to be done to correct the following sentence? Queen Mary wanted her death to be remembered,therefore,she staged a pageant. A. Change the comma after remembered to a semicolon. B. Change the comma after remmbered to a semicolon and add a comma after Mary. You wrote: ...
*October 17, 2006*

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