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Sonja [21]
3 years ago
15

Solve 0.9 x + 5.1 x -7= 2(2.5x-3). how many solutions dose the equation have?

Mathematics
1 answer:
Nataly [62]3 years ago
4 0
The equasion has only one solution.

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4 years ago
Wrich expreson is equivalent to 4(3-6).​
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You haven’t provided any option, however I think I can still help.

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8 0
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If () = − 10, find (20)
Studentka2010 [4]

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8 0
3 years ago
Solve this equation.
spin [16.1K]

Answer:

D: 6 5/6

Step-by-step explanation:

Solve for a:

a + 7/6 = 8

Put each term in a + 7/6 over the common denominator 6: a + 7/6 = (6 a)/6 + 7/6:

(6 a)/6 + 7/6 = 8

(6 a)/6 + 7/6 = (6 a + 7)/6:

(6 a + 7)/6 = 8

Multiply both sides of (6 a + 7)/6 = 8 by 6:

(6 (6 a + 7))/6 = 6×8

(6 (6 a + 7))/6 = 6/6×(6 a + 7) = 6 a + 7:

6 a + 7 = 6×8

6×8 = 48:

6 a + 7 = 48

Subtract 7 from both sides:

6 a + (7 - 7) = 48 - 7

7 - 7 = 0:

6 a = 48 - 7

48 - 7 = 41:

6 a = 41

Divide both sides of 6 a = 41 by 6:

(6 a)/6 = 41/6

6/6 = 1:

Answer:  a = 41/6 or a= 6 5/6

7 0
3 years ago
Find the value of the expression.
igor_vitrenko [27]

Answer:

0

Step-by-step explanation:

((3/5 ^0)^-2)

3/5^0=0

0^-2= 0

3 0
2 years ago
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