4 years ago

I have this question and I need it done bad... Help please? Picture included I was never taught matrix

1 answer:

6 0

Multiply the numbers on the major axis which are 2 and -9 to get -18. Subtract from that 3*4 = 12. So -18-12 = -30. That's the determinant.

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An engineer is building a bridge that should be able to hold a maximum weight of 1 ton. He builds a model of the bridge that is

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Answer:

the bridge holds one ton. on Edgunuity

Step-by-step explanation: <3

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3 years ago

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I NEED HELP!!! 10 POINTS!!! AND BRAINLYIST

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Answer:

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What expression is equivalent to 2(9+7)?

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What is the direct variation equation if y varies directly with x and y= -12 When x= 6?

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3 0

3 years ago

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The value of x in the equation log(x-1)9=2 is

mel-nik [20]

$\log_{(x-1)} 9=2$

the domain:
$x-1 >0 \ \land \ x-1 \not=1 \\
x>1 \ \land \ x \not= 2 \\
x \in (1; 2) \cup (2;+\infty)$

the equation:
$\log_{(x-1)}9=2 \\
(x-1)^2=9 \\
\sqrt{(x-1)^2}=\sqrt{9} \\
|x-1|=3 \\
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4 is in the domain
-2 is not in the domain

The answer:
$x=4$

***
Also, the answer in 13 is {8}. -3 is not in the domain. Replace x with -3 and you'll see:
$x=\sqrt{5x+24} \\
-3=\sqrt{5 \times (-3)+24} \\
-3=\sqrt{-15+24} \\
-3=\sqrt{9} \\
-3=3$
It's not true so -3 isn't a solution to this equation.

4 0

3 years ago

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