J would equal 8/3 hope this helps
Answer:
2/5
Step-by-step explanation:
5-3/2-(-3)=2/5
three squared minus two thirds
![3^2-\frac{2}{3}](https://tex.z-dn.net/?f=3%5E2-%5Cfrac%7B2%7D%7B3%7D)
three square = 3 x 3 = 9
![\begin{gathered} 3^2-\frac{2}{3}=9-\frac{2}{3} \\ 3^2-\frac{2}{3}=\frac{9}{1}-\frac{2}{3} \end{gathered}](https://tex.z-dn.net/?f=%5Cbegin%7Bgathered%7D%203%5E2-%5Cfrac%7B2%7D%7B3%7D%3D9-%5Cfrac%7B2%7D%7B3%7D%20%5C%5C%203%5E2-%5Cfrac%7B2%7D%7B3%7D%3D%5Cfrac%7B9%7D%7B1%7D-%5Cfrac%7B2%7D%7B3%7D%20%5Cend%7Bgathered%7D)
Least common factor of 1 and 3 is 3
![\begin{gathered} 3^2-\frac{2}{3}=\frac{9}{1}-\frac{2}{3} \\ 3^2-\frac{2}{3}=\frac{27-2}{3} \\ 3^2-\frac{2}{3}=\frac{25}{3} \end{gathered}](https://tex.z-dn.net/?f=%5Cbegin%7Bgathered%7D%203%5E2-%5Cfrac%7B2%7D%7B3%7D%3D%5Cfrac%7B9%7D%7B1%7D-%5Cfrac%7B2%7D%7B3%7D%20%5C%5C%203%5E2-%5Cfrac%7B2%7D%7B3%7D%3D%5Cfrac%7B27-2%7D%7B3%7D%20%5C%5C%203%5E2-%5Cfrac%7B2%7D%7B3%7D%3D%5Cfrac%7B25%7D%7B3%7D%20%5Cend%7Bgathered%7D)
Three squared minus two third is twenty five by three.
Same strategy as before: transform <em>X</em> ∼ Normal(76.0, 12.5) to <em>Z</em> ∼ Normal(0, 1) via
<em>Z</em> = (<em>X</em> - <em>µ</em>) / <em>σ</em> ↔ <em>X</em> = <em>µ</em> + <em>σ</em> <em>Z</em>
where <em>µ</em> is the mean and <em>σ</em> is the standard deviation of <em>X</em>.
P(<em>X</em> < 79) = P((<em>X</em> - 76.0) / 12.5 < (79 - 76.0) / 12.5)
… = P(<em>Z</em> < 0.24)
… ≈ 0.5948
Answer:
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