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2 years ago

A counterexample proves why a statement is true A. True B.false

2 answers:

4 0

False bc a counterexaple shows false information

3 0

Answer:

B. False

Step-by-step explanation:

A counterexample is used to contradict or prove an argument incorrect.

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Hitman42 [59]

C is the answer because 7+8= 15 and 7x8= 55

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2 years ago

bagirrra123 [75]

$(x+ 63) + (x + 133) = 180 \\ 2x + 196 = 180 \\ 2x = - 16 \\ x = - 8 \\ so... \\ x + 133 = ( - 8 ) + 133 \\ = 125$

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Katarina [22]

You would multiply 2 1/2 and 3 3/4, which would give you 9.375 or as a mixed number 9 7/8

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3 years ago

Andrew [12]

Given the recursive formula, each terms is five time the previous one.

This means that:

$f(6)$ is 5 times $f(5)$ , which means $f(6)=5f(5)$
in turn, $f(5)$ is 5 times $f(4)$ , so we have $f(5)=5f(4)$ . This means that $f(6)=5f(5)=5\cdot 5f(4) = 25f(4)$
Finally, $f(4)=5f(3)$ So, substituting this back gives

$f(6)=25f(4)=25\cdot 5f(3)=125f(3)$

In general, since you have $f(n)=5f(n-1)$ , each time you compute a new term you multiply by a factor of 5, so if $m=n+k$ , you have

$f(m)=5^kf(n)$

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2 years ago