Another way to write seventy-two is in Roman numerals, which is LXXII. Roman numerals are an ancient system of numbers that uses letters to represent values. In this system, I is equal to one, V is equal to five, X is equal to ten, L is equal to fifty, and C is equal to one hundred.
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What is the solution to 40 (- 11?
The solution to 40 (-11) is 29. To find the answer, you need to subtract 11 from 40. 40 – 11 = 29.
How to make 20 with 4 fours?
It is possible to make 20 with 4 fours using basic operations like adding, subtracting, division, multiplication, and exponentiation. Here is one way to make 20 with 4 fours:
Start with 4 x 4 = 16.
Then, 4 divided by 4 = 1.
Then, 16 – 1 = 15.
Then, 4 ^ 2 = 16.
Finally, 15 + 16 = 31, which is 20 when you round down.
Therefore, the equation you can use is 4 x 4 ÷ 4 – 4 ^ 2 + 16 = 20.
What is the of 11 out of 40?
The fraction 11 out of 40 can be simplified to 11/40 or 0.275. This fraction can also be expressed as a percentage as 11/40 is equal to 27.5%.
How do you solve this equation?
6x+3=21
To solve this equation, you would use the process of solving for x. First, you want to get all of the terms with variables (x) on one side of the equation and the constants (numbers not associated with a variable) on the other side.
To do this, subtract 3 from both sides.
6x + 3 – 3 = 21 – 3
6x = 18
To get the variable by itself on one side of the equation, divide both sides by 6.
6x/6 = 18/6
x = 3
Therefore, the solution to the equation 6x + 3 = 21 is x = 3.
How can I do math fast?
The best way to do math quickly is to practice regularly and use strategies to maximize efficiency. To get started, memorize basic facts (like multiplication tables), so you’re not spending time counting and calculating every time you need to do a problem.
Another useful strategy is to use visual aids and problem solving grids to organize more complex mathematical problems. Additionally, make sure you use the correct formula or calculation, as this is often where errors happen.
Finally, practice mental math. When faced with a problem, try to solve it in your head before writing it down. This will help to reduce calculation time and free up your mental resources for more complex problems.
As you practice regularly, you’ll be able to recognize patterns, cut down on calculation time, and save mental energy. With enough practice, you’ll be able to do math quickly with confidence.
How to do algebra grade 7?
One of the most important aspects of learning algebra is having a strong foundation in basic math skills, such as addition, subtraction, multiplication, and division. It is important for students to practice these skills regularly, as they are a building block for some of the more complex concepts in algebra.
In addition to strong basic math skills, it is important for students to understand the concept of equations and how to solve them. This means that students should be familiar with the basic algebraic operations, such as solving for a variable, using the distributive property, factoring, and using fractional exponents.
They should also practice setting up equations and equations with two or more variables.
Once a student has mastered these basic algebraic operations, it is important for them to work on their problem-solving skills by solving word problems and working on real-world applications. This will help them deepen their understanding of algebra and be able to apply it to unfamiliar situations.
Finally, it is important to spend time on practice problems. Students can find practice problems in their textbooks, as well as through online tutorials, websites, or other educational resources. Working on practice problems will reinforce the concepts they have learned and help them identify any areas where they need to focus their attention.
Where can I find all math answers?
Unfortunately, there is no fool-proof, one-stop shop for all math answers. However, there are lots of great resources available to help you find the answers you need. If you’re stuck on a specific exercise or problem, the best place to start is by asking your teacher for help.
They can provide guidance on the direction you need to go in and any tips or tricks to help you get the answer. If you’re still stuck, there are several online resources that can help you. Khan Academy is a free online resource and tutorial site that provides both video and written lessons as well as practice problems to help you understand more abstract Math topics.
Wolfram Alpha is another popular online resource for Math questions, providing comparable tools for a range of academic Math topics. Also, many textbooks and study aids include solution keys or guided answers and processes so you can check if you have the right answer.
Ultimately, math is a skill that is best honed through practice and focused study, and the most successful students are those who seek out the help they need when they need it.
Can you write 72 as a fraction?
Yes, 72 can be written as a fraction. In its simplest form, the fraction would be 72/1. This can also be written as a mixed number; for example, 72 could be written as 6 4/5.
What is the simplest form of 72?
The simplest form of 72 is 2 x 2 x 2 x 3 x 3, or 2² x 3². This is known as the prime factorization of 72, which is the simplest way to express the number in its most basic form.
What are multiples of 72?
Multiples of 72 are the numbers that can be divided by 72 without leaving a remainder. Examples of multiples of 72 include 72, 144, 216, 288, 360, 432, 504, 576, 648, 720, 792, 864, 936, 1008, 1080, 1152, 1224, 1296, 1368, 1440, 1512, 1584, 1656, 1728, 1800, 1872, 1944, 2016, 2088, 2160, 2232 and so on.
Can 72 be simplified?
Yes, 72 can be simplified. Using the prime factorization method, 72 can be simplified to a product of two prime factors. This can be written as 2² x 3³, which simplifies to 8 x 27, or 8 x 3³. This can also be written as 2 x 36, or 2 x 2² x 3².
Simplifying even further, 72 can be simplified to 2² x 3², or 4 x 9.
What equation is equal to 72?
Depending on the context, some of the most common ways to represent 72 include the equations 72 = 12 × 6, 72 = 18 × 4, 72 = 36 × 2, 72 = 54 ÷ 3, 72 = 8 × 9, and 72 = 9 × 8. Additionally, the equation 72 = 4! + 2 or 72 = 4 × 3 × 2 × 1 + 2 can be used to represent 72 as a factorial.
What number is closest to 72?
The closest number to 72 is 71. This is because the difference between 72 and 71 is 1. You can also look at it as 72 being 1 more than 71.
What must be added to (- 23 to get (- 9?
14 must be added to (- 23) to get (- 9). Mathematically, this can be represented as (- 23) + 14 = (- 9).
