DWRead

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Barry Manilow rocks. Yes, BARRY MANILOW. Favorite quote from D.W. Read: Prove it! "Follies and nonsense, whims and inconsistencies do divert me, I own, and I laugh at them whenever I can." --Jane Austen There are 10 kinds of people in the world: Those who understand binary, and those who don't. Give a man a fish and you feed him for a day. Teach a man to use the Internet, and he won't bother you for weeks. As Yahoo!Answers doesn't lend itself to displaying math, I often post graphic versions of my answers at http://www.flickr.com/photos/dwread/

發問 0 回答 488

2016-09-21 3:37 pm

Show that cosec(A+B)=(secAsecB)/(tanA+tanB)?

2016-09-20 12:35 am

1. θ = 6.5 radians 2. θ =3π/4 radians 3. θ = 6 radians?

2016-09-15 5:44 pm

Prove the identity: sin³x+cosx³=(sinx+cosx)(1-sinxcosx)?

2016-09-14 7:03 pm

Prove the identity: cot²𝛳/(1+cot²𝛳)=cos²𝛳 and (1-tan²𝛳)/(1+tan²𝛳)=1-2sin²𝛳?

2016-09-09 9:48 pm

Given the following endpoints on a number line,?

2016-09-07 8:43 pm

There are n sweets in bag A. Bag B has three times more sweets than Bag A. Bag B and C have the same number of sweets.?

2016-09-07 3:08 pm

Write the expression as the algebraic sum of power functions?

2016-09-06 7:59 pm

In a sequence of 4 numbers, the difference between each number is seven. The sum is six. What are the numbers in the sequence?

2016-09-01 11:59 am

The top of the tower B is 28 degrees and the angle of elevation of the top of the?

2016-08-26 8:35 pm

The intersecting circles x^2+y^2=100 and (x-21)^2+y^2=289 have a common chord. Find its length??

2016-08-23 2:47 pm

What is the least common denominator of 1/((X^2)-4) 1/(4X-8)?

2016-08-23 3:02 pm

A circle in the standard (x,y) coordinate plane intersect x-axis at (-7,0) and (1,0). The radius of the circle is 5 coordinates units.?

2016-08-11 7:26 pm

Simplifying surds within a fraction...?

2016-08-10 3:42 pm

The difference between a number and six is less than or equal to -2. Find the possible numbers.?

2016-08-09 12:43 am

What does x equal if 4x-3x+8=-10?

2016-08-03 7:41 pm

How to change repeating decimal to fraction... but with a number at the start that does not repeat... Ex: .7222222?

2016-08-02 6:24 pm

Maxima and Minima of Quadratic function help?

2016-08-02 6:04 pm

Let c who can crack dis 5 - 4 = 23 8 - 1 = 63. 6 -16 = 32 9 - 9 = 78 3 - 9 = 6 3 - 81 = ? Genius heads try this ???? Explain the logic.?

2016-08-02 6:09 pm

Given the quadratic function y=x^2+bx+c, find the values of the constants b and c so that 1 becomes the minimum value at x=2?

2016-07-29 8:32 am

Trig Equation with Reciprocals?

2016-07-27 5:10 pm

complete the square to solve the equation below x^2+10x+10=14?

2016-07-17 8:03 pm

Find the quadratic function y=ax+bc+c passing through (-1,-13),(1,-3),(-3,-15)?

2016-07-15 5:25 pm

MATH HELP ASAP?

2016-07-15 9:39 am

what is (48-12)/3?

2016-07-14 6:16 pm

The dimension in centimeter of rectangular box R is 6 by 8 by 10. Which of the following cannot be total surface area,?

2016-07-13 7:32 pm

What is the slope of y=311.111x+1533.333? It is the equation of a scatterplot?

2016-07-13 4:32 pm

Help me please?

2016-07-11 5:05 pm

Help me please?

2016-07-07 1:27 am

What is the slope of the line x = 4?

2016-07-06 5:13 pm

which of the following is the equation of a line that passes through the point (1,4) and is parallel to the x-axis A.x=4 B.x=1 C.y=1 D.y=4?

2016-07-04 6:59 pm

could someone help me prove this trig identity sin(pi/2 +x) = cos(x)?

2016-06-25 4:48 pm

Differentiate y=4x+1/x?

2016-06-24 12:06 pm

How to factorise x^6-64?

2016-06-22 8:48 pm

33.0 ft ladder just reaches the top of a building & forms an angle of 45.5o with the wall of the building How many ft tall is the building?

2016-06-22 8:40 pm

Please help me to transform this to vertex form: y=5x^2-2x+2?

2016-06-20 3:42 pm

Let a,b and c be real numbers such that a²+b² ≤ 4b, prove that for all x€ R, x⁴+ax³+bx²+cx+1≥0?

2016-06-19 5:48 pm

find the slope, if exists, of the line containing the pair of points. (5,1)(6,-8)?

2016-06-15 4:40 pm

Input the equation of the given line in standard form. The line including (3, 1) and (-2, 3).?

2016-06-15 3:38 pm

represent 1.494949......in the form of p/q?

2016-06-15 3:23 pm

sin^6 theta + cos^6 theta = 1-3 sin^2 theta cos^2 theta?

2016-06-15 1:49 pm

im trying tosolve e^x=12 and 11^-6y=5 for the first part i got 2.8 but im not sure how to solve for y, please help!?

2016-06-15 1:51 pm

One trig problem?

2016-06-14 4:56 pm

Triangle maths questions?

2016-06-13 3:20 pm

What is a number less than 1/3? Also what is a number between 1/3 and 1?

2016-06-10 6:33 pm

2016-06-10 2:05 am

2016-06-10 1:50 am

If a number’s composite form is 510, which of the following shows its exponential form as a product of prime numbers?

2016-06-10 1:42 am

Which of the following shows a number as a product of prime numbers in exponential form?

2016-06-08 4:18 am

what is the x-intercept of f(x)=1/3x-4?

2016-06-07 7:02 pm

simplifying logarithm?

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