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White raven [17]
3 years ago
10

Which is the inverse of this matrix? A. B. C. D. E. The matrix is noninvertible.

Mathematics
2 answers:
kvasek [131]3 years ago
8 0

Answer:

A.

-19 9 7

[15 -7 6 ]

-2  1  1

Step-by-step explanation:

katrin [286]3 years ago
4 0

Answer:

the one above is right :)

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Write a expression to express k less than double 3.5. THANKS
Arada [10]

k<2(3.5) or simplified k<7

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=if%20a%20%3A%20b%20%3D%202%20%3A%203%20and%20b%20%3A%20c%20%3D%204%20%3A%205%20than%20find%20a
grigory [225]

Answer:

<em>a:b:c=8:12:15</em>

Step-by-step explanation:

<u>Combined Ratio</u>

We are given the ratios:

a:b=2:3

b:c=4:5

The combined ratio a:b:c will include all three variables in one single expression.

Before finding it, we must have a common number for the common variable (b). Since b is 3 in the first ratio and 4 in the second ratio, we must equate both by finding the LCM of 3 and 4=12, thus both ratios will be amplified as follows:

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a:b:c=8:12:15

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2 years ago
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