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Natali [406]
4 years ago
12

Please help me with these two questions ( show work plz )( it's ok if you only now one)​

Mathematics
2 answers:
Romashka-Z-Leto [24]4 years ago
5 0

Answer:

1.8.09

2.-6

Step-by-step explanation:

1. 11b=89

b=89/11

8.09

2. 13+k/3=11

k/3=11-13

k/3=-2

k=-2*3

=-6

Ksenya-84 [330]4 years ago
5 0

Answer:

Number 2 is - 6

Step-by-step explanation:

2. 13 + k/3 = 11

We can start off my subtracting 13 in both sides.

-13 + 13 + k/3 = 11 - 13

k/3 = -2. now we have to multiply 3 in both sides

3 x k/3 = -2 x 3

k = -6

Hope this helps!!

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-5x + y = -2, -3x + 6y= -12. Solve each system by substitution
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Answer: x = 0, and y = -2

Step-by-step explanation:

-5x + y = -2 .........(1)

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From equation (1)

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Make use of 6 to open the bracket ,we now have

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