Who watching temptation island, The oval and Ruthless tonight?

Mathematics

2 answers:

vesna_86 [32]3 years ago

5 0

Answer:

Not me sorry.

Step-by-step explanation:

irga5000 [103]3 years ago

3 0

Answer:

MMEEEE but im SOOO behinnnd

Step-by-step explanation:

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-5 1/2 - 4 1/4 + 6 3/4

san4es73 [151]

Find the least common denominator of all the fractions.

Change the mixed number into a fraction.

Follow the operations.

Your answer should be -20.

5 0

3 years ago

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If T: (x, y) → (x + 6, y + 4), then T-1: (x,y) → _____.

alexgriva [62]

T is a linear transformation from R²→R² with basis {(1,0),(0,1)}
T: (x,y)→(x+6,y+4)

A function from one vector space to another that preserves the underlying (linear) structure of each vector space is called a linear transformation.

Then the vector (1,0) goes to (1+6,4)=(7,4)=7(1,0)+4(0,1)

and the vector (0,1) goes to (6,1+4)=(6,5)=6(1,0)+5(0,1)

So, the matrix of the transformation is

$\left[\begin{array}{ccc}7&6\\4&5\end{array}\right]$

The inverse of the matrix is

$\left[\begin{array}{ccc}\frac{5}{11}&\frac{-6}{11}\\ \\\frac{-4}{11}&\frac{7}{11}\end{array}\right]$

So, the Inverse Transformation is given by

$T^{-1}(x,y)=\left[\begin{array}{ccc}\frac{5}{11}&\frac{-6}{11}\\ \\\frac{-4}{11}&\frac{7}{11}\end{array}\right]\left[\begin{array}{ccc}x\\y\end{array}\right] =(\frac{5x-6y}{11}, \frac{-4x+7y}{11})$