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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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Find the peridicular slope to (2,-5);6x-4y=20
liubo4ka [24]

Answer:

That's it

First, find 2 points by replacing x with a number to find y. After, locate the point in the graph then draw the slope.

8 0
3 years ago
Find the value of X.​
miv72 [106K]

Answer:

x = 8√2 units

Step-by-step explanation:

On a 45-45-90 triangle,<em> the ratio between one of the legs </em>(both are congruent)<em> and the hypotenuse is 1 : √2</em> (Improper but it still sends the message). That means the hypotenuse is √2 times as long as a leg.

x = 8 × √2

x = 8√2 units

4 0
3 years ago
What is the solution set of 4x^2 -5x +1 =0
goblinko [34]

Answer:

Step-by-step explanation

Answer:

4x^2-5x+1=0

=4x^2-x-4x+1=0

The second 4x is because of 5x=-x-4x

=xmultiply(4x-1)-4x-1)=0

=(4x-1)x(x-1)=0

=4x-1=0

Another value for x is

x-1=0

Final

=x=1/4

=x=1

Finally the answers are

Value of first X is

X=1/4

Value of second X is

X=1

8 0
4 years ago
56% of 50 is what number
noname [10]
Divide 100 to 56 = 56/100= 0.56 then you wanna times it by 50 so then it would be.56x50=28
5 0
3 years ago
Read 2 more answers
Let A and B be mutually exclusive events with PA) = 0.20 and PCB) = 0.30.
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