The square roots of 25 are +5 and -5 .
Answer:
Step-by-step explanation:
Let and be two rational numbers, where b and d are not zero and a, b, c and d are integers.
1. Given:
2. Multiply to get a common denominator :
3. Simplify:
4. Since then
If are integers, then are integers too. So the fraction
is a rational number
Answer:
<u>The correct answer is D. π</u>
Step-by-step explanation:
Let's recall that rational numbers are those that can be written as a ratio or fraction of two integers. Quite the opposite, irrational numbers can't be written as a ratio or fraction of two integers.
Upon saying that we have:
A. A fraction with numerator negative 15 and denominator 4 is a rational number because we can represent it: -15/4
B. A fraction with numerator negative 7 and denominator 9 is a rational number because we can represent it: -7/9
C. √4 is a rational number because we can represent it: 2 or 2/1
D. π is the most known irrational number because we can't represent it as a ratio or fraction: 3.14159265358979....and more can't be written as a ratio or fraction.
<u>The correct answer is D. π</u>
216 in^2 ( its 2 squared but that’s how I can write it on my phone)
All the sides of a cube are the same and there are 6 sides to a cube so if we have 36 as our are of the base then we just have to multiply that by 6
36 x 6= 216