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vodomira [7]
3 years ago
8

Twice the difference of a number and 6 is 5

Mathematics
2 answers:
monitta3 years ago
6 0
The answer is 8.5 because the difference is 2.5 and 2.5 times two is 5.
Dmitry_Shevchenko [17]3 years ago
3 0
Let a represent unknown number, and I have this equation:
2(a-6)=5
a-6=2.5
a=8.5. Hope it help!
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33 points!! The line contains the point (4,-2) and is perpendicular to 4x+3y=-6 The equation of the line is:
Deffense [45]

Answer:

y = 3/4 x - 5

Step-by-step explanation:

The slopes of perpendicular lines are negative reciprocals. We find the slope of the given line. Then we can find the slope of the reciprocal.

4x + 3y = -6

Solve for y.

3y = -4x - 6

y = -4/3 x - 2

The slope of the original line is -4/3.

The slope of the perpendicular is 3/4.

Now we need to find the equation of line with slope 3/4 that contains point (4, -2).

y = mx + b

-2 = (3/4)(4) + b

-2 = 3 + b

-5 = b

b = -5

The equation is

y = 3/4 x - 5

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3 years ago
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3 years ago
Acellus. Solve for x. x = ?
Makovka662 [10]

Answer:

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The statement is expressed algebraically as
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