How many different arrangements of the letters in the word BETTER are there?

Mathematics

2 answers:

Kitty [74]3 years ago

8 0

Answer: There are 180 different arrangements of the letters in the word "BETTER".

Step-by-step explanation:

creativ13 [48]3 years ago

3 0

Answer:

180

Step-by-step explanation:

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Ede4ka [16]

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$16.\ \text{Substitution method}\\\left\{\begin{array}{ccc}y=11x+4\\y=7x-16\end{array}\right\Rightarrow11x+4=7x-16\\\\11x+4=7x-16\qquad\text{subtract 4 from both sides}\\11x=7x-20\qquad\text{subtract 7x from both sides}\\4x=-20\qquad\text{divide both sides by 4}\\\boxed{x=-5}\\\\\text{Put the value of x to the first equation}\\\\y=11(-5)+4\\y=-55+4\\\boxed{y=-51}\\\\Answer:\ x=-5,\ y=-51\to(-5,\ -51)$