When adding and subtracting fractions the denominators must be? 1. How do we add or subtract fractions? The names of what we are adding or subtracting — the denominators — must be the same. Add or subtract only the numerators, and keep that same denominator. When adding and subtracting fractions all answer must be expressed […]

Is volume and perimeter the same? Perimeter is the distance around a two-dimensional shape such as a square or circle. Volume is a measure of the three-dimensional space taken up by an object, such as a cube. Is volume and area the same? An area is a two-dimensional object whereas volume is a three-dimensional object. […]

How can I look cool in school? Know that less is more. Don’t fidget. When talking to people, stay cool, calm, and collected. Be a bit aloof. This doesn’t mean that you shouldn’t speak to people, be interested when someone speaks, or smile. Don’t try too hard to be liked, to be accepted, or to […]

Why does the angle affect the range of a projectile? The maximum height is determined by the initial vertical velocity. Since steeper launch angles have a larger vertical velocity component, increasing the launch angle increases the maximum height. How does the angle affect how far the ball goes? In most cases you should see that […]

What is the Valency of chlorine? Atomic Structure | Exercise Valency is the number of hydrogen atoms that combine or displace with another atom to form a compound. One atom of hydrogen combines with one atom of chlorine to form HCl, the valency of chlorine is 1. Why is Valency of chlorine 1? Valency of […]

What letter comes after G in the musical alphabet? These 7 white notes are named after the first 7 letters of the English alphabet: A, B, C, D, E, F and G. After the note ‘G’, the pattern starts over and we get another ‘A’. What letter is a whole note? semibreve Is an octave […]

How do you find diameter with volume? Diameter of a sphere: d = 2 * r , Surface area of a sphere: A = 4 * π * r² , Volume of a sphere: V = 4/3 * π * r³ , Surface to volume ratio of a sphere: A / V = 3 / […]

What is the prime factorisation of 3375? 5 is one of the factors! The orange divisor(s) above are the prime factors of the number 3,375. If we put all of it together we have the factors 3 x 3 x 3 x 5 x 5 x 5 = 3,375. It can also be written in […]

What is the result when the number 94 is increased by 50%? Latest numbers increased by percentage of value 770, percentage increased by 31% (percent) of its value = 1,008.7 May 12 22:37 UTC (GMT) 94, percentage increased by 50% (percent) of its value = 141 May 12 22:37 UTC (GMT) 9,500, percentage increased by […]

How do you write 69 8 as a mixed number? As a positive improper fraction (numerator > denominator): 69/8 = 69/8 As a mixed number. (a whole number and a proper fraction, of the same sign): 69/8 = 8 5/8 As a decimal number: 69/8 ≈ 8.63. As a percentage: 69/8 = 862.5% How do […]