What is the value of the expression when x = 5, y = 4, and z = 3?

Mathematics

2 answers:

charle [14.2K]3 years ago

5 0

The answer is C (third )

Elan Coil [88]3 years ago

3 0

C-75 would be your answer

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I FREAKING NEED HELPPP!!!

Ratling [72]

Answer:

$\boxed{\begin{bmatrix} 3 & - 1 \\ - 3 & 4\end{bmatrix} = 12 - 3 = \boxed{9} }\\ \\ \boxed{\begin{bmatrix} -12 & - 1 \\ 12 & 5\end{bmatrix} = - 60- ( - 12) = \boxed{ - 48}} \\ \\ \boxed{\begin{bmatrix} 0& - 1 \\ 17 & 4\end{bmatrix} = 0 -( - 17 )= \boxed{17}} \\ \\\boxed{ \begin{bmatrix} 8& - 1 \\ - 4 & - 1\end{bmatrix} = - 8 - 4 = \boxed{ - 12} }\\ \\ \boxed{\begin{bmatrix} 2 & - 1 \\ 2 & - 1\end{bmatrix} = - 2 - ( - 2) = \boxed{0}} \\ \\ \boxed{ \begin{bmatrix} 1 & 0\\ 0 &1\end{bmatrix} = 1 - 0 = \boxed{1}}$

Step-by-step explanation:

$the \: determinant \: of \: a \: matrix : A \to\\If \: A =\begin{bmatrix} x & y \\ a & b \end{bmatrix} \: then : \\ its \: determinant \: is \: givn \: by \to \\ |A| = (b \times x) - (a \times y) \\ \boxed{|A| = bx - ax}$

♨Rage♨

5 0

3 years ago

Simplify 3n+6(-8n+9)

Sedbober [7]

Step-by-step explanation:

3n + 6( -8n + 9)

= 3n - 48n + 54

= - 45n + 54

Hope it will help

4 0

3 years ago

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For every 144 light bulbs produced, 6 are defective. Find the number of defective light bulbs that could be expected out of 720.

Lelu [443]

You are going to get the rate of the detects.
6 detects ÷ 114 light bulbs = 1/19 detects per light bulb

If there are 720 light bulbs, then the number of detects will be
720 light bulbs * 1/19 detects per light bulb = 37. 89 ≈ 38 detects

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3 years ago

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If point H is translated 6 units to the left and 5 units up, what are the coordinates of H'?

Hatshy [7]

Answer:

if you can post a picture of the graph maybe I can tell you alright

Step-by-step explanation:

7 0

3 years ago

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Anwser both of them please