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.
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34+23 = 89
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Based on what? You can measure it. Or, for example, if you know the diameter, you can divide that by 2.
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If 4x + 7 = 3... then x must equal -1
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Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 4, 4/16 is equal to 1/4 or one...
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When an equation cannot be solved for "x" to find the zeroes, the quadratic formula can be used instead for the same purpose.
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I guess you mean what's the units digit of 32011. It is 7. To work this out, see how the units digit of 3n changes; it goes: ...
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Given , area =A= 20.5cm2 = length*width, so(length)(2.5)=20.5 orlength=20.5/2.5=8.2cm approx.....
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1.6 angstroms= 1.6 * 10-10 m= 0.00000000016 m
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An example of a real world rate is 45630.19106 debt per capita (person).
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The strategy of working backwards entails starting with the end results and reversing the steps you need to get those results, in...
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48, check with a calculator for help.
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Engineers uses the coordinate planes all the time. When you take higher engineering course you need to be extremely familiar and...
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1 stone = 14 pounds so 9 st = 14*9 = 126 pounds
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There are a few key methods to add and subtract integers. The first is easy to use but takes more time and thought (less...
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1 yard = 3 feet, so 2 yards = 6 feet
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positional weighting is the system we use in Base 10 to allow us to express any possible number in any possible magnitude. It...
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Subtract x from each side: 6 = x + 5Subtract 5 from each side: 1 = x
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Given the length of a single side: L × (3√3)/2
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Then, at some point, the field would go into two directions simultaneously, which doesn't make much sense. The magnetic field...
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You need to format it so that it is a number (between 1 and 10) times a power of ten. Since the original number is bigger than...
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Area = pi times radius2 where radius = 200 feettherefore area = pi times 2002Area = 125 663.7 feet2
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7/8 divided by 3 = 7/24You simply multiply the numerator (7/8) by the reciprocal of the denominator (3). Thus, (7/8) * (1/3) =...
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Negative 81 is -81 which is minus 81. A "debt" 0f 81 divided by 9 is still a debt. So -9.
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Difference means the answer of a subtraction equation, such as 4-2=2. 2, the answer to the equation is the difference. First...
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Use Pythagoras theorem.Answer: 43.01162634 or 43 meters
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If this is a question about factorisation check the signs. As it stands, it cannot be factorised.
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1 inch = 2.54 centimetres16 inches = 40.64 centimetres
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32:1,2,3,4,8, 36:1,2,3,4,6,9,12
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Scientific notation is a way of writing really huge, or really tiny, numbers that saves time and space and ink, etc. For example,...
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There are 1000000 micrometers in a meterAnswer is 451
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166 centimeters=5 feet 5 inches
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64.029
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5/3 - 4/5 = 25/15 - 12/15 = 13/15
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It's quite simple really :) What do 10 and 15 have in common? 5. 10 / 5 = 2 15 / 5 = 3 So you times 2 by 5 to get 10, and 3 by...
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Fractionally. frac·tion·al (frksh-nl)adj.1. Of, relating to, or constituting a fraction.2. Very small; insignificant: a minor...
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The non-negative real numbers.Unless your domain is the complex field, in which case, so is the range.
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7,000 minutes = 4.86111... days
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17.398 miles = 28 kilometers
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180 deg = π radians so 540 deg = 3π radians.
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When adding, the order does not matter. It's called the summation property.
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There are different formulae for different shapes. Try to break down the composite firgure into components that you can add...
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Velocity is a vector, you can sum velocity in terms of direction components such as x and y.
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2 fish, the plural of 1 fish is 2 fish
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First suppose the two consecutive integers bex and x+1then according to the situationx+x+1=452x+1=452x=45-12x=44x=44/2x=22now our...
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As all living things respire, even toads do respire too. It is just the matter of the way the living things respire. Toads...
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∫2x2 dx from 2 to 1 Start by taking the anti-derivative of 2x2 which is (2/3)x3 (the c isn't necessary here since we're taking...
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2 or 3 digits.
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The Least Common Multiple (LCM) of 88 and 89 is 7,832.
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Not by anything other than 1 or 1021. 1021 is a prime number.
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If you mean, with large numbers, same as with small numbers: You find common factors for numerator and denominator, and divide...
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You can convert logarithms of different bases to the same base. After that, you may or may not be able to simplify the resulting...
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If the mixed number is xy/z then the corresponding quotient is (xz + y)/z.The denominator is the same. The new numerator is the...
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4 and 1/4four and one fourth
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the z axis is at right angles to both the x and the y axis. All 3 axis pass through the origin.
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3.5 is half way between 2 and 5. There are an infinite number of numbers between 2 and 5 - some of them are rational numbers...
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When dividing imperial measurements, it can help to convert them first into smaller imperial measurements. In this case we can...
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∫sin²x cos²x dx= ∫(1-cos²x)cos²x dx=∫cos²xdx-⌠cos²xcos²xdx=1/2⌠1+cos2x dx-1/2⌠[(1+cos2x)(1+cos2x)] Do the...
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Factors of 16: 1 2 4 8 16 Common factors of 16 and 24: 1 2 4 8
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concept of asking that a good turn be repaid by having it done to others instead.
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A regular polygon has all its angles of equal measure, and its sides of equal length. In the case of a quadrilateral, that would...
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You multiply the mantissas, and add the exponents. After that, you may wish to normalize.Example: 2x105 x 6x106 = 12 x 1011....
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You are thinking of Pythagoras and fermat type jobbies. 32+42=52 (9+16=25)
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I get 37.71 miles as the answer. Here are my calculations. 8 acres is 50,181,120 sq. inches. if you figure the field is a...
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The cross-section area of the 2-inch bore inside the hose is (pi R2) = 'pi' square inches. The volume in 1-ft of the hose is [...
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6u = 222 u = 222/6 u = 37
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The mass of the will depend on the density of the material the the cube is made of. If you know the density of the material in...
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One-thousandth displayed in decimal units is 0.001, therefore one-half of one-thousandth would be 0.001 divided by 2 or 0.0005.
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A dozen is 12, so six dozen is 6 x 12 = 72.At $2.79 a dozen, it's $16.74 plus tax.
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In my searches for an answer to this very question I found three different answers: 1) The general (linear) interpolation...
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10234 = 1*43 + 0*42 + 2*41 + 3*40 = 1*64 + 2*4 + 3 = 64 + 8 + 3 = 75
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There are 2 types of trapeziums:One with two slanted sides, and one with 1To make a two slanted sided trapezium you make a...
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