3 years ago

Four students each made a list a of prime numbers.

2 answers:

7 0

Jordan did because 21 is not a prime number.

4 0

Jordan made the error because 21 is a composite number

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gregori [183]

9514 1404 393

Answer:

x = 7

Step-by-step explanation:

Using Cramer's rule, the value of x is ...

$x=\dfrac{\left|\begin{array}{cc}2&3\\22&-2\end{array}\right|}{\left|\begin{array}{cc}-1&3\\4&-2\end{array}\right|}$

x = ((2)(-2) -(22)(3))/((-1)(-2) -(4)(3)) = (-4-66)/(2-12) = -70/-10

x = 7

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3 years ago

bonufazy [111]

4^7=16,384 i used a calulator

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Answer:

(3−5)(+1)

Step-by-step explanation:

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ExtremeBDS [4]

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