Which is the translation of the phrase twice the sum of a number n and 4?
1 Expert Answer “Twice” means we will multiply by 2, “Sum” means +, “is” means equal, etc. So we have “Twice the sum of a number and four” means we will find the sum and then multiply by 2 (work inside to outside). So we would have 2(x+4).
Is square root of 3 a real number?
It is denoted mathematically as √3 or 31/2. It is more precisely called the principal square root of 3, to distinguish it from the negative number with the same property. The square root of 3 is an irrational number. It is also known as Theodorus’ constant, after Theodorus of Cyrene, who proved its irrationality.
Is the square root of 3 over 3 a rational number?
Hello, The sqrt of 3 is irrational. Specifically, it cannot be written as the ratio of two given numbers or be written as a simple fraction. The value of pi is a good example of an irrational number.
What does twice the square mean in math?
Translate: “Twice the square of a positive integer is 12 more than 5 times that integer” means. 2 * x2 = 12 + 5 * x. The math: 2×2 = 12 + 5x [re-write]
What does twice the sum mean?
2 Answers By Expert Tutors By twice, we mean you add it twice, or ×2. So we’re multiplying by 2, a sum between these two things. A number that we do not know, so we’ll call it x. The number 5.
What is the square of the sum of two numbers?
For any two numbers and the square of their sum is equal to . You can see a geometrical proof of this identity from the figure.
Is the square root of 2 a rational number?
Sal proves that the square root of 2 is an irrational number, i.e. it cannot be given as the ratio of two integers.
What is twice the square of a number?
Twice the square, then, equals 2(x^2). Eg: twice the square of 3 = 2(3^2) = 18. Not to be confused with “the square of twice a number”, which would be (2x)^2 = (2^2)(x^2) = 4x^2. Eg: the square of twice 3 = (2*3)^2 = 6^2 = 36 or (2^2)(3^2)=4*9=36.
Twice the square of a number equals the sum of 5 times the number and 17. Find the SOLUTION: The sum of twice the square of a number and 7 times the number equals 15. What is the number? Twice the square of a number equals the sum of 5 times the number and 17. Find the
What is the root of 49 – 3 or 7-3 = 4?
Since twice the square is 98, the square is 49. So the number is the root of 49 – 3 or 7 – 3 = 4. To check, 2 × (4+3)^2 = 98. Hiring CS majors for internships and entry-level roles.
What is the sum of three numbers?
The sum of three numbers is 47. One number is three more than the smallest number, and one number is twice the smallest number. What are the numbers? The numbers are 11, 14 and 22.
What is it called when a number is rounded?
This is called rounding. Rounding the number 6.78 will make it be 7 and rounding 9.3 will give you 9. If a number has a fractional part greater than or equal to 0.5, the number will round up to the next whole integer value with the higher value. Otherwise, it will round down to the next lowest integer value.