Is -7 rational or irrational

Mathematics

2 answers:

rusak2 [61]2 years ago

8 0

Answer: A Rational

Step-by-step explanation:

A rational number is one that can be written as an integer over an integer, with non-zero denominator. ie. all your fractions. An irrational number cannot be expressed as a ratio of integers and include numbers such as π,e,√2,ln2 , etc

jok3333 [9.3K]2 years ago

6 0

Answer:

rational. BRAINLIEST??

Step-by-step explanation:

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Answer:

$\underline{ \boxed{x = 11} } \\ \underline{ \boxed{ABE = 55}}$

Step-by-step explanation:

$if \: the \: question \: is \to \\ \overline{AZ} \: \perp \: \overline{CD}, \: m \angle{ABE} = 5x, \\ and \\ \: m \angle{EBD } = 3x + 2\\ but \: m \angle{EBD } + m \angle{ABE} = 90 \\ hence \to \\ (3x + 2) + (5x) = 90 \\ 8x + 2 = 90 \\ 8x = 90 - 2 \\ 8x = 88 \\ x = \frac{88}{8} \\ \boxed{ x = 11} \\ \\ if \: x = 11, \: then \to \\ m \angle{ABE} = \: 5x = 5(11) \\ \boxed{m\angle{ABE} =55}$