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inysia [295]
2 years ago
10

Mia is finally able to upgrade her cellphone.The one she wants costs $220 but she can get it for 60% off

Mathematics
2 answers:
Fiesta28 [93]2 years ago
8 0

Answer:

she gets it for 88 40% of 220 is 88

Step-by-step explanation:

kirill115 [55]2 years ago
3 0

Answer:

The answer would be  $79.20

Step-by-step explanation:

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Please help me with this.
OLga [1]

Swapping rows alters the sign of the determinant:

\begin{vmatrix} x & y & z \\ -8 & 2 & -12 \\ u & v & w \end{vmatrix} = - \begin{vmatrix} x & y & z \\ u & v & w \\ -8 & 2 & -12 \end{vmatrix}

Multiplying a single row by a scalar scales the determinant by the same amount:

\begin{vmatrix} x & y & z \\ u & v & w \\ -8 & 2 & -12 \end{vmatrix} = -2 \begin{vmatrix} x & y & z \\ u & v & w \\ 4 & -1 & 6 \end{vmatrix}

Then

\begin{vmatrix} x & y & z \\ -8 & 2 & -12 \\ u & v & w \end{vmatrix} = -(-2) \begin{vmatrix} x & y & z \\ u & v & w \\ 4 & -1 & 6 \end{vmatrix} = 2\times(-6) = \boxed{-12}

8 0
2 years ago
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xxTIMURxx [149]

Answer:

0.56457

Step-by-step explanation:

log 3  with base 7  =    (Log 3)/ (Log 7) = 0.47712125 / 0.845098040014

(Log 3) / (Log 7) = 0.56457

3 0
3 years ago
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Viefleur [7K]

Answer:

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