Homework Help

Math

  If log10G = 2log10M – log10N, then `G=M^2/N`  .Explain the reason for this.       G = M2/N -  why?...

Posted by alejandrogalarce on May 22, 2013 at 10:23 AM via web. Be the first to answer.

Math

Find AB and BA, if possible. A = [3. -5] B = [4, 0, -2]````       [1, -3, 2] 

Posted by clairele on May 22, 2013 at 5:32 AM via web. 1 educator answer.

Math

The formula for the surface area is:  A = 2(pie)(r)(h) + 2(pie)(r)^2 If the height of a cylinder is 10 inches,...

Posted by kristenmariebieber on May 22, 2013 at 3:38 AM via web. 1 educator answer.

Math

Write the equation in standard form of the hyperbola with center at the origin, its transverse axis is vertical,...

Posted by bec-bec on May 22, 2013 at 3:02 AM via iOS. 1 educator answer.

Math

The amount of daylight a particular location on Earth receives on a given day of the year can be modelled by a...

Posted by oyechalphut on May 22, 2013 at 12:49 AM via web. 1 educator answer.

Math

Determine the largest subset of the domain where the function is continuoush(x,y) =...

Posted by jordsonsmith on May 21, 2013 at 10:04 PM via web. 1 educator answer.

Math

The sixth grade is going on a field trip to a museum all day and the museum offers a school group price of $189...

Posted by user8570045 on May 21, 2013 at 8:07 PM via web. 1 educator answer.

Math

let f(x) = (x-1)^2, g(x) = e^-2x and h(x) = 1 +ln(1-2x). (a). Find the linearizations of f, g and h at a=0. What...

Posted by carrawaych on May 21, 2013 at 8:05 PM via web. 2 educator answers.

Math

Verify the given linear approximation at a=0. Then determine the values of x for which the linear approximation...

Posted by carrawaych on May 21, 2013 at 7:48 PM via web. 1 educator answer.

Math

In their recent exams 75% of a group of 4th year medical students passed pediatrics, 60% passed obstetrics and...

Posted by user97 on May 21, 2013 at 7:45 PM via web. 1 educator answer.

Math

Explain and correct the error Numbering the lines.L1) r^2 - 7r+12 / r+4 ÷ r^2-7r+12 / r^2 + 6r+8L2) =(r-3)(r-4)...

Posted by brittpnco on May 21, 2013 at 6:36 PM via web. 1 educator answer.

Math

simplify ( m^2 + 2m+1 / m^3 + 3m^2 + 3m+1) (m^2 / m - 3m / 3)

Posted by gregtophot on May 21, 2013 at 6:18 PM via web. 1 educator answer.

Math

Complete the table for the function h(x)=√x-2 X, 0, 1, 4, 9 Y

Posted by bigtymer on May 21, 2013 at 5:58 PM via web. 1 educator answer.

Math

Solve: `25^(4t+1)=125^(2t)`

Posted by ethanmets on May 21, 2013 at 5:28 PM via web. 1 educator answer.

Math

State the excluded values of x for the expression: (5x-5)/(10x^2 - 25x+15)

Posted by leadsharper on May 21, 2013 at 5:20 PM via web. 1 educator answer.

Math

Solve the equation: `1/(x-2) + (2x)/((x-2)(x-8))= x/(2(x-8))`

Posted by gertjaarss on May 21, 2013 at 4:33 PM via web. 1 educator answer.

Math

The total imports of gas(in millions of barrels per day) in a given year is approximated by the polynomial...

Posted by monique06 on May 21, 2013 at 4:09 PM via web. 1 educator answer.

Math

Bob invested 19,000 in two accounts, one yielding 8% interest and the other yielding 10%. If he received a total...

Posted by monique06 on May 21, 2013 at 4:05 PM via web. 1 educator answer.

Math

Tom invested 23,000 in two accounts, one yielding 4% interest and the other yielding 9%/ If he received a total...

Posted by monique06 on May 21, 2013 at 4:02 PM via web. 1 educator answer.

Math

A person needs 30 L of a 10% solution of disinfectant. How many liters of a 20% solution and a 4% should be...

Posted by monique06 on May 21, 2013 at 3:57 PM via web. 1 educator answer.

Math

Please help me solve these problems: (5y)(y+4)(y-6)   x^2+6x-18/x+8   x^5-20x^3-5x^2/-5x^2      

Posted by monique06 on May 21, 2013 at 3:54 PM via web. 1 educator answer.

Math

Solve the equation 2/b-2 = b/ b^2-3b+2 + b/2b-2 ` `

Posted by appletwoy on May 21, 2013 at 3:30 PM via web. 2 educator answers.

Math

calculate real parameter m for which the equation has a unique solution: 4^x-(5m-2)*2^x+4m^2-3m=0

Posted by alexa0048 on May 21, 2013 at 3:16 PM via web. 1 educator answer.

Math

A boy is selling lemonade throughout the hot summer. Suppose the number of cups sold is given by the...

Posted by brett45 on May 21, 2013 at 1:54 PM via web. 1 educator answer.

Math

Solve system x-y=pi (sin x)^2+(siny)^2=3/2?

Posted by greentelz on May 21, 2013 at 1:28 PM via web. 1 educator answer.

Math

How do you solve root(cos x)+root(cos x+root(1-cos x))=1?     pls help

Posted by lenalen on May 21, 2013 at 1:19 PM via web. 2 educator answers.

Math

How you solve for x equation sin(pie times sin x)=cos(pie times cos x)?

Posted by luvgoj on May 21, 2013 at 1:03 PM via web. 1 educator answer.

Math

What is antiderivative y=(x^2+2x+2)^.5?

Posted by rouche on May 21, 2013 at 1:00 PM via web. 1 educator answer.

Math

I am unsure what the right working is for this identity. Simplify:   `(1-cosx)/(sin^2x)`   cos^2x +sin ^2x =...

Posted by homework-help on May 21, 2013 at 10:16 AM via web. 3 educator answers.

Math

What is a term to term rule and a position to term rule in math?

Posted by taylor-winston on May 21, 2013 at 7:55 AM via iOS. 2 educator answers.

Math

explain the solution to tan3x=1

Posted by susank7780 on May 21, 2013 at 1:55 AM via web. 1 educator answer.

Math

Solve the equation: `sqrt(5p+5)=sqrt(6p+1)`

Posted by ponyoo on May 21, 2013 at 1:29 AM via web. 1 educator answer.

Math

(a1/2)1/2(ab1/2)

Posted by tdt3 on May 21, 2013 at 1:00 AM via web. 1 educator answer.

Math

students are unprepared for a multiple choice quiz with 25 questions. Each question has 5 possible answers. Find...

Posted by joshknr on May 21, 2013 at 12:55 AM via iOS. 1 educator answer.

Math

How is doing operations—adding, subtracting, multiplying, and dividing—with rational expressions similar to...

Posted by smallsterea on May 20, 2013 at 11:41 PM via web. 1 educator answer.

Math

what are rational expressions? Why must we always be mindful of the final value of the denominator in a rational...

Posted by smallsterea on May 20, 2013 at 11:39 PM via web. 1 educator answer.

Math

How do you evaluate this expression below? `log_6[(1/1296)^3]`

Posted by rosey-girl on May 20, 2013 at 10:50 PM via web. 1 educator answer.

Math

The graph of f(x) = 10(1/2)^x is graphed. What is the range of the function?  

Posted by rosey-girl on May 20, 2013 at 10:47 PM via web. 2 educator answers.

Math

Simplify this equation: [ ( x^2/3)^3/4 ]^2  

Posted by rosey-girl on May 20, 2013 at 10:44 PM via web. 1 educator answer.

Math

Simpilify this equation: 6x^2 -2x / 6x^2 -23x +7

Posted by rosey-girl on May 20, 2013 at 10:42 PM via web. 2 educator answers.

Math

If f(x) = 3x^2 -4 and g(x) = 2x -1, what is (f of g)(x)?

Posted by rosey-girl on May 20, 2013 at 10:39 PM via web. 3 educator answers.

Math

Simplify the expression 2√3-√12

Posted by sighcopath on May 20, 2013 at 10:18 PM via web. 2 educator answers.

Math

What is the equation of a circle with diameter AB; A is (5,4) and B is (-1,-4)? (1 image)

Posted by azulazul3 on May 20, 2013 at 10:09 PM via web. 2 educator answers.

Math

Any help on these 2 questions would be greatly appreciated, I kinda know the differentiantion question but just... (1 image)

Posted by alexward1352 on May 20, 2013 at 10:01 PM via web. 1 educator answer.

Math

Find the point on the line y=6x+9 that is closest to the point (-3,1). Clearly state the domain of the function...

Posted by cortez88 on May 20, 2013 at 9:26 PM via web. 1 educator answer.

Math

Find an approximate solution to the system of equations x+y+z=2013 x y z = 2013   

Posted by maroalgo on May 20, 2013 at 9:22 PM via web. 1 educator answer.

Math

A particle is moving along the circle x^2+y^2=5. At the point (1, 2) its y-coordinate is rising 2cm/s. How fast...

Posted by cortez88 on May 20, 2013 at 9:21 PM via web. 1 educator answer.

Math

Find the complex cube roots of 8(cos(4pi/5)+isin(4pi/5))

Posted by atrinity on May 20, 2013 at 8:53 PM via web. 2 educator answers.

Math

            Let z = (-5sqrt(3)/2) + (5/2)i and w = 1 + sqrt(3)i               a. Convert z and w to...

Posted by atrinity on May 20, 2013 at 8:52 PM via web. 3 educator answers.

Math

Compute the modulus and argument of each complex number. Plot and label each complex number in the complex plane... (1 image)

Posted by atrinity on May 20, 2013 at 8:51 PM via web. 1 educator answer.