Which operation transformed matrix I to matrix II? 1

2

1

ม้า

1 2 1 5

0 1 2 5

2 7 8 25

ม้า

0 1 2

03

ม้า

o

R3+R1 R3

o

R3-1 R3

:O 3R2 R3

0 -2R1+R3-R3

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7

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1,407.5 hours

step-by-step explanation:

we first convert all the time to hours and then sum them up.

there are 24 hours in 1 day, in 58 days, there are 24 x 58 = 1,392 hours.

there are 60 minutes in 1 hour, thus, 30 minutes will be equivalent to 30 / 60 = 0.5 hours.

therefore, the number of hours it will take mercury to complete a full rotation is 1,392 + 15 + 0.5 = 1,407.5 hours

1. supplementary angles

2. acd and bcd

step-by-step explanation: