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Marrrta [24]
2 years ago
6

Evaluate x + 23 when x=7

Mathematics
1 answer:
iren2701 [21]2 years ago
3 0

Answer:

30

Step-by-step explanation:

x + 23 = ?

x = 7

All we need to do is plug in x =7 to the first equation:

7 + 23 = ?

We simplify and get:

30 = ?

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Is the relationship shown by the data linear? x -9, -5, -1, 3 y -2,-7,-12, -17
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                x               y
            ------           -----
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Read 2 more answers
Miguel has triple David's money, while Lisbeth has ten dollars less than David. The sum of their money totals $95. How much mone
ahrayia [7]

Answer:

Miguel has $63

Lisbeth has $11

David has $21

Step-by-step explanation:

let Miguel share be M

let Lisbeth share be L

let David share be D

from the question, we know that

M=3D

L=D-10.

M+L+D=95

thus,

3D+(D-10)+D= 95

3D+D-10+D= 95

5D-10 = 95

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thus,

M = 3D = 3×21

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