Algebra
The use of letters to substitute unknown numbers to form an equation. Solve the equation to get the unknown number using different methods such as simultaneous equations and more.
Total questions 337600
David Gambell [165]
made this change to the answer of Why do we appreciate the golden rectangle 20 minutes ago
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added What is the smallest digit can be made using the no 1073 to Algebra 26 May 2012 12:41
Keats (supervisor) [4415]
unflagged What is the greatest common factor 43 and 40 26 May 2012 12:24
As a riddle, the answer is zero legs on the bus since the bus has wheels instead of legs. But as a maths problem; It's not a...
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It becomes 4 times as large. Here is a simple example: A = πr2For diameter 2, A = πFor diameter 4, A = 22 * π = 4π.
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4x3= 12x2-x-3 The answers are x= -.4324426. or x= .6157299 or x= 2.816713 These are approximations.
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6x6 = 36 6x6x6 = 216 3x3x3= 27 36 + 216 - 27 = 225!
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We know that 10% = 10/100Whenever the word 'of' is used in any mathematical problem,it most probably means to multiplyso hence we...
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To convert a fraction (or decimal) to percentage, multiply by 100, thus: 8/25 = 8/25 x 100% = 32%
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to find b, you must move -7 to the left by adding it on each side. so it would turn out to be -2 +7b = 8b. from here you subtract...
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18 is the opposite added to the additive inverse (18) = 36
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No, Net Amount is the amount before VAT is added. Once VAT is added it then becomes the Gross Amount
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9 a.m + 4 hours = 1 p.m. More generally, when you are doing modulus arithmetic, specifically mod 12. ie. (9+4) mod 12 = 1
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that depends on what that expression is equal to. If you are asking what x equals if "-x-2 = 0" for example, then the solution...
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The first use of matrices to solve equation was back in 300 BC in a Chinese book called Nine Chapters of Mathematical Art by Chiu...
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simple answer, furries^ Uh no, Humans are the lowest form of all creatures.
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ln is an abbreviation of loge, that is logarithms taken to the base e. The logarithm of a number (x) to a given base (b) is the...
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2a2b2 + 5ab2 + 8a2b2 - 3ab2 This can be further simplified to: 1. 10a2b2 + 2ab22. 2(5a2b2 + ab2)3. 2ab2(5a + 1)
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The radius is the square root of whatever number is all by itself in the equation. Unfortunately, the equation is so far below...
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Equipotentials cannot cross because they relate to places with a given value for potential. Lines of force meet at the charge or...
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179.832 centimeters. Complete algebraic steps are below: 5.9 feet*12 inches1 feet*2.54 centimeters1 inches=179.832 centimeters
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Opposite vertices are two vertices of any polygon with an even number of sides that have the same number of sides between them.
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The first section behind the prostomium, called the peristomium (Greek περι- meaning "around" and στομα meaning...
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Mathematically, you are looking to answer the following system of equations: x + y = 6 x * y = -495 This is rather simple. ...
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The log or logarithm is the power to which ten needs to be raised to equal a number. Log 10=1 because 10^1=10 Log 100=2 because...
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How to solve: 3x - 2y = 1 3x2 - 2y2 + 5 = 0 Rearrange the first equation to make x or y the subject (that is x = something or y...
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Expressed as a vulgar fraction, 10 to the -6 is equal to 1/1000000, or one one-millionth. Expressed as a decimal fraction, this...
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That verily depends on the portion shaded green. The area of the circle is 81*pi (approximately 254.34) units squared. To find...
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There are 900 hundred positive three digit numbers.
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x^2+3x is a quadratic function that may be factored into x*(x+3), which means that the graph has zeroes at x = 0 and x = 3....
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Look carefully at the problem statement. Obviously, the 4th. daughter is called "Mary".
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A rectangle.
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The perpendicular postulate states that if there is a line, as well as a point that is not on the line, then there is exactly one...
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t(n) = 3(n-1) .....also means that you multiply each number by 3 to get the next number
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The fundamental principle of fractions: A/B = A x C/B x C
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Computer Programming is all about algebra. In algebra, you solve for variables like x and y in their simplest form, in...
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The Wronskian. See link below for explanation oft he wronksianIt could also mean the weight of an object.
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The square root of 125 in radical form is 5 x (square root of 5).
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Probably the movement on a swing can be approximated by assuming that the magnitude of each swing will be a certain percentage of...
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Simple trig: cosine(46 'derees') * 2.16km + 1.41m (did you really mean m?) => the x component. If you're going to ask for...
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4 x sqrt(3)
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so the problem is 7/9 dived by 3/6. you can reduce 3/6 to 1/2 so no yor equation is 7/9 dieded by 1/2 you do the recipricol and...
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Let 'theta' = A [as 'A' is easier to type] sec A - 1/(sec A) = 1/(cos A) - cos A = (1 - cos^2 A)/(cos A) = (sin^2 A)/(cos A) ...
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Sometimes you can't simplify a mixed fraction, but simplifying a mixed fraction is just like simplifying an original fraction. ...
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if x-3y-1=0 then y=(1/3)x-(1/3) so slope is 1/3 y-intercept is -1/3
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It depends on the word. Because 2 is used so widely and frequently, there are several variations, although the most common are...
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There are 0.9144 metres in one yard. Therefore, rounded to two decimal places, 134 metres is equal to 134/0.9144 = 146.54 yards.
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80/1000=0.08 3.14*0.08=0.2512 25/0.2512=99.52Improved Answer:25 over (pi*0.08) = 99.47183943 or 99.47 to two decimal places
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The size of a football pitch varies, but the standard for international matches is 105m long and 68m wide. That would be 7140...
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If f(x)=x2+10, then f(x+h)=? f(x+h)=(x+h)2+10 (since f(x)=x2+10, substitute the x in x2 to (x+h)2)=(x+h)(x+h)+10 (then multiply...
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1.2 meters * 2.8 meters = 3.36 square meters, which is 36.166739 ft². See complete algebraic steps below: 3.36 m²*10000 cm²1...
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There are several sites online that allow you to convert distances similar to your question. All you have to do is type in the...
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a right angle
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Anthing you like. In algebra, any letter of the alphabet (including the greek alphabet) can be used to denote any variable you...
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perp. or an upside down capital - T -
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1 divided by 3. 2/6 3/9 .33 Repeating.You can also multiply any number by 0.3 or 1/3 to find one third of that number.
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In the decimal number system, the highest valued digit is 9.The highest digit that ever appears in any one 'place' of a number is...
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59
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Start by drawing a regular hexagon. Now move one of the vertices either a little way towards, or away from the centre of the...
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critics = 7 letters c = 2 i = 2 r, t, s, = 1 7!/(2!*2!*1!*1!*1!) = (7*6*5*4*3*2!)/(2!*2!)= (7*6*5*4*3)/(2!)= 7*6*5*2*3 = 1,260...
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0.This is the same as the limit of 1/x as x approaches infinity, which is is 0.This is because1/1,000 = .001and1/1,000,000 =...
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It means add it up or total
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You are probably referring to an "equal to" sign (=). This sign makes one side of the equation equal to the other.
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6 feet 9 inches is the same as about 205.74cm
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In a pipe it is the roughness of the pipe over the diameter of the pipe
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1 billion {short scale} = 109 = (2*5)9 = 29 * 59 [see related link for short scale and long scale for billion]
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sqrt( 147 ) = sqrt( 49 x 3 ) = sqrt( 49 ) x sqrt( 3 ) = 7 sqrt( 3 )
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A centimeter is ≈ 0.393700787 inches. We can multiply this by 136 to get the amount of inches in 136 centimeters. 0.393700787...
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162 = 256; 3 x 256 = 768; 840 - 768 = 72; 4 x 16 = 64, 72 - 64 = 8Hexadecimal equivalent of 840 = 348
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Starting with the hands in a straight line on the same side of the centre, consider how the hands move: At 12 o'clock they are...
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5x-5x=? 5x=5x divide by 5 x=1 EDIT: 5x - 5x = 0.x could be anything! 5x = 5x
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6 cm x 4 cm = 24cm2 (length x width = area)
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for example, if the question is 24 pineapples per 3 waffles, you divide 24 by 3 and you get 8 pineapples per waffle(the...
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ans: this is more challenging! OK, not revised this for a'while, so may go a bit wrong, but hopefully someone else will correct...
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This question possibly refers to there being 46 chromosomes in a human body
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The letter L (written in uppercase) is used as a symbol for inductance.If you mean the letter I (uppercase i), that refers to...
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2.667 = 2.0 +0.667 = 2 + 2/3 = 2(3/3) + 2/3 = 6/3 + 2/3 = 8/3 => 2.66666666666 = 8/3
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Find its square root and raise it in the second power. 64 = 82 81 = 92841 = ?2 you need to work a little bit here 1. base would...
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It depends on what kind of label it is and what kind of period it is.
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Zero is a real number, it is neither positive or negative, and it is even.
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approximately -2.449489743
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1 million square meters are equivalent to one square kilometer.
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7/8 / 3/4= 7/8 x 4/3== 7/6
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the answer to this question is 3n-1 ,
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any equilateral triangle is also equiangular meaning all three angles in the triangle have the same measurement which is 60...
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