2 years ago

Quick! Anyone know this geometry question?

Mathematics

2 answers:

WARRIOR [948]2 years ago

5 0

The correct answer is C.

r-ruslan [8.4K]2 years ago

4 0

C is the answer ...

triangle tus is congruent to vus

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Use matrix inversion to solve the collection of systems of linear equations. HINT [See Example 4.] (a) −x − 4y + 2z = −10 x + 2y

omeli [17]

Answer:

Step-by-step explanation:

given is a system of linear equations in 3 variables as

$-x - 4y + 2z = −10\\ x + 2y - z = 11 \\x + y - z = 14$

This can be represented in matrix form as

AX=B Or

$\left[\begin{array}{ccc}-1&-4&2\\1&2&-1\\1&1&-1\end{array}\right] *\left[\begin{array}{ccc}x\\y\\z\end{array}\right] =\left[\begin{array}{ccc}-10\\11\\14\end{array}\right]$

So solution set

X would be $A^{-1} B$

|A|=-1(-1)+4(0)+2(-1)=--1

Cofactors of A are

-1 0 -1

-2 -1 -3

0 1 2

So inverse of A is

1 2 0

0 1 -1

1 3 -2

Solution set would be

x=12

y=-3

z=-5

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2 years ago

A parallelogram is transformed according to the rule (x, y) → (x, y). Which is another way to state the transformation?

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The answer:
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Answer:

Step-by-step explanation:

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2 years ago

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nasty-shy [4]

Answer:

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Step-by-step explanation:

Remeber to put no spaces on the test

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