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            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.

            Asked in Math and Arithmetic, Algebra

            Solution for Square root of 2.5?

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            1.5811388300841896659994467722164
            Asked in Math and Arithmetic, Brain Teasers and Logic Puzzles, Algebra

            There is a bus with 7 children inside. Each child has 7 bags. Inside each bag there are 7 big cats. Each big cat has 7 small cats. All cats have 4 legs each. How many legs are on the bus?

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            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 tricked question -- just a straightforward maths problem Confirmed answer is 10990 legs. § Let's say the whole situation simply : - There are 7 girls. - Each girl has 7 backpack - Each backpack has 7 big cats - Each big cat has 7 little small cats. § Question: How many legs are there in the bus? § Let's focus on each part of the question systematically, write down on a piece of paper if you have to, following my steps of chains. 1. Focus on the first girl first: A B C D E F G Girl A has 7 backpacks 2. Now focus on first backpack A1 : A1 A2 A3 A4 A5 A6 A7 Backpack A1 has 7 big cats 3. Now focus on first big cat : 1 2 3 4 5 6 7 Ø Each big cats have 7 small cats (that's the end of the focus) Systematically, 7 small cats has 28 legs (7 * 4) combined with the big cat that owns this 7 small cats. Let's call this the "cat chain", so cat chain 1 has 32 legs altogether. Ø So since there are 7 big cats 7 * 32 = 224 legs Ø Therefore each backpack has 224 legs Ø Finally, each girl has 7 * 224 = 1568 legs. Lastly, since there are 7 girls, A to G, there are 7 * 1568 legs (per girl) = 10976 legs. Now, since each girl also has 2 legs each; SO, (7 * 2) + 10976 = 10990 legs altogether Note: Disregarding bus driver, buses and etc…Only focus on the girl and their backpacks! Or There are 7*7 = 49 bags and there are 7 + 7*7 = 56 cats in each bag, meaning there are 56*4 = 224 legs in each bag. So including the 7 children that have 2 legs each, there are 7*2 + 49(224) = 10990 legs in total.
            Asked in Math and Arithmetic, Algebra

            Does google plex equal infinity?

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            Furthermore, no number is equal to infinity because infinity is not a number, it is a concept, so theoretically, no number could be equal to it.
            Asked in Math and Arithmetic, Algebra, Area

            How much tonnage air conditioner is required for 2779 sq ft?

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            It depends a great deal on where you live and how well your 湖北体彩app is insulated. Square feet is not a great help when planning the size of an air conditioner. It is very useful to also have the cubic feet in the 湖北体彩app, along with the sizes and types of windows. Where I live in the northwest US, a 3-ton unit would do the trick easily, but then, we do not get the intensely hot, long summers as you might in say, Phoenix.
            Asked in Math and Arithmetic, Algebra

            Find the sum of the opposite of -18 and its additive inverse?

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            the opposite of negative 18 is positive 18. It's just like absolute value. |-18| is 18 because 18 is 18 steps away from 0 so is -18 like how it is 18 away from 0 and not -18 away from 0. -18 away from 0 is not a thing. So therefore, the opposite of negative 18 is positive 18 because the opposite of negative is postitve.
            Asked in Algebra, Factoring and Multiples, Numbers

            What are the shared prime factors of 36 and 144?

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            2 and 3. In fact, 2 and 3 are the ONLY prime factors of both. 36 = 22 x 32. 144 = 24 x 32.
            Asked in Algebra, Math and Arithmetic

            What is the word form for 0.000001?

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            The term is written as "One millionth." As a prefix in SI measurements it is "micro". For example, 0.000001 grams is the same as 1 microgram. 0.000001 metres is called a micrometer but also has the special name "micron". Sometimes expressed as "zero point zero zero zero zero zero one"
            Asked in Jobs & Education, Math and Arithmetic, Algebra, Geometry

            How do you find the radius if you have the circumference?

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            Circumference divided by pi to find the diameter then divide that by 2 to give you answer!! Formula: R=c/pi/2 eg. circumference =60 so, 60 divided by pi = 19.098, then divide 19.098 by 2 to give you 9.549!!
            Asked in Algebra, Definitions

            What is the meaning of negative traits?

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            In the personal sense, it means something negative in your personality like being negative (pessimistic) or not concentrating in 湖北体彩app. In algebra it means a minus number below zero eg. -2 is 2 less than zero. An extra note - if the equation is 5--5 (five minus minus five) then just add five because two minuses or negatives equal a plus or positive. Sorry if I got the wrong meaning of what you asked!
            Asked in Math and Arithmetic, Algebra, Numbers

            What is 40 cubed?

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            To cube a number means simply to multiply that number by itself 3 times. To work out 40 cubed you would simply go: 403 = 40 x 40 x 40 40 x 40 = 1,600 1,600 x 40 = 64,000 403=64,000 Therefore, 40 cubed equals 64,000. The phrase "multiply that number by itself 3 times." can cause confusion. Sometimes, instead of multiplying it thrice (the number itself) others, due to confusion, just multiply the number by 3... take note it's cube... What do you get if you multiply 40 by itself once? Nearly everyone would say 1,600 which is 40². Multiply that by 40 then seems to mean multiply the answer by 40, giving 64,000 which is then 40 multiplied by itself twice! Of course some people will say it doesn't matter how many times you multiply 40 by itself you'll always get 1,600. Just think of 40³ as meaning 3 40s multiplied together and you should avoid any problems.
            Asked in Algebra, Economics, Business Accounting and Bookkeeping

            Is nett price inclusive of vat?

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            No, Net Amount is the amount before VAT is added. Once VAT is added it then becomes the Gross Amount. Net price is exclusive of VAT
            Asked in Math and Arithmetic, Algebra

            How do you solve 4x3 equals 12x2-x-3 equals 0?

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            4x3= 12x2-x-3 The answers are x= -.4324426. or x= .6157299 or x= 2.816713 These are approximations.
            Asked in Algebra, Numbers , Percentages, Fractions, and Decimal Values

            What is the fraction 8 over 25 as a percent?

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            To convert a fraction (or decimal) to percentage, multiply by 100, thus: 8/25 = 8/25 x 100% = 32%
            Asked in Math and Arithmetic, Algebra

            How do you simplify mixed fractions?

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            Sometimes you can't simplify a mixed fraction, but simplifying a mixed fraction is just like simplifying an original fraction. For example: You can not simplify 1 and 3/4, because 3/4 can not be simplified. But 1 and 10/16 can be simplified. To do this: You take the actual fraction part 10/16 Find a LCD (Least Common Denominator) for this it is 2 Divide both the reciprocal and denominator by this number 10 divided by 2=5, 16 divided by 2=8 Put the new divided numbers where the old numbers were, 5/8 Then just put the whole number and fraction back together, ex. 1 and 5/8.
            Asked in Algebra, Pirates, Proofs

            Vjersha per 7 - 8 marsin?

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            7 Marsi Festën e mësuesit Ne do ta festojmë Lulet më të bukura Ne do ti dhurojmë. Vijmë tek ti mësues Buzëqeshjen ta dhurojmë Kënga krahët reh si flutur Midis jush jam e lumtur.
            Asked in Playstation Network, Algebra

            How are labels in each period alike?

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            It depends on what kind of label it is and what kind of period it is.
            Asked in Geometry, Math and Arithmetic, Algebra

            What instrument measures angles?

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            A protractor, compass, speed square, goniometer, theodolites, sextant, or angle finder can be used to measure angles. A protractor is a circular or semi circular instrument for measuring angles and some have existed from ancient times. A half circular protractor is marked for 180 degrees and a full circle for 360 degrees. Protractors usually have two sets of numbers going in opposite directions, so be careful which side you use. When in doubt you should ask yourself is the angle greater or smaller that 90 degrees. An inclinometer measures the slope (aka grade or "incline") on mountain roads and trails. Practice lining up and reading a protractor while you measure a set of angles in this fun learning activity. The angles may range from 0° to 180°. The interactive protractor is already lined up with the vertex of each angle but you will have to rotate the protractor into proper position. The margin of error is only 1° and you must report measurement to the nearest whole number. A protractor measures angles whereas a compass draws angles. The typical protractor is 180 degrees. Protractors can also be circular and measure up to a full 360 degrees. Other methods of measuring angles include using a compass, and length measuring devices (rulers, tape measures, etc.) combined with trigonometry. Estimated angle measures can also use "devices." For example, the corner of a page can tell you if an angle is greater than or less than 90 degrees. Navigators in the old days would use a sextant for measuring angles. In more recent times they used a transit. A quadrant is yet another tool for measuring the angle between the horizon and heavenly bodies, also useful for navigation. A protractor can be used to measure an angle.
            Asked in Math and Arithmetic, Algebra

            What is one-sixth the sum of r and 7?

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            (r+7)/6, assuming r is a variable.
            Asked in Math and Arithmetic, Algebra, Length and Distance

            18 feet equals how many meters?

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            1 foot equals 0.3048 meters 18 feet X 0.3048 = 5.4864 meters
            Asked in Algebra, Numbers , Percentages, Fractions, and Decimal Values

            What is a decimal of 140 percent?

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            The percent sign % can be defined as "divide by 100". So the decimal of 140% would be 140/100 or 1.4 So if you wanted to know what 140% of any number was you could multiply by 1.4 i.e. 140% of 50 is 50 x 1.4 = 70, or since multiplication is distributive you could also do this (140 x 50)/100 which will also give you 70 1.4

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