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olga nikolaevna [1]
3 years ago
13

If You can pls answer all 4 with the equations

Mathematics
1 answer:
Trava [24]3 years ago
8 0

9514 1404 393

Answer:

  1. 69
  2. 100
  3. -24
  4. 1/729

Step-by-step explanation:

Put the numbers where the variables are and do the arithmetic. Your calculator can help.

1. 6x -2y +5y = 6(10) -2(3) +5(3) = 60 -6 +15 = 69

__

2. add 16 to find x.

  x -16 = 29

  x = 45

Then do the substitution:

  2(45 +5) = 2(50) = 100

__

3. 3(4²) -4(18) = 3(16) -4(18) = 48 -72 = -24

__

4. (1/9)³ = (1/9)(1/9)(1/9) = 1/(9·9·9) = 1/729

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