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Sauron [17]
2 years ago
12

Luis was called to go up to the board and solve the following equation: 2x -12 =5. What should Luis' final answer be?

Mathematics
2 answers:
ZanzabumX [31]2 years ago
8 0

Answer:

x = 8.5 or x = 17/2

Step-by-step explanation:

2x - 12 = 5

Add 12 to 5, get 2x = 17

Divide 2 from 17

Get 8.5

X = 8.5 or 17/2

Vesnalui [34]2 years ago
6 0
The answer is 2/17 i believe
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Solving Equations<br> ve<br> x + 14 = 7x + 32 - 3x
Mkey [24]

Answer:

-6

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

x+14=7x+32−3x

x+14=7x+32+−3x

x+14=(7x+−3x)+(32)(Combine Like Terms)

x+14=4x+32

x+14=4x+32

Step 2: Subtract 4x from both sides.

x+14−4x=4x+32−4x

−3x+14=32

Step 3: Subtract 14 from both sides.

−3x+14−14=32−14

−3x=18

Step 4: Divide both sides by -3.

−3x/−3=18/−3

x=−6

5 0
3 years ago
Tell whether the lines through the given points are parallel, perpendicular, or neither.
antoniya [11.8K]

Answer:

The Slope of Line 1 is ->  -\frac{2}{9}

The Slope of Line 2 is -> -\frac{9}{2}

These two lines are - >  Perpendicular

Step-by-step explanation:

To find the slope of line one, you follow these steps:

First Coordinate 10 -> x1, 5 -> y1

Second Coordinate -8 -> x2, 9 -> y2

Then insert the assigned values into this equation:  \frac{y2-y1}{x2-x1} -> \frac{9-5}{-8-10} which equals \frac{4}{-18} which simplifies to -\frac{2}{9}

Then do the same process to find the slop of line 2:

First Coord: 2 -> x1, -4 -> y1

Second Coord: 11 -> x2, -6 -> y2

Then insert the values into this equation: \frac{y2-y1}{x2-x1}  ->\frac{11-2}{-6-(-4)} which equals \frac{9}{-2}.

We know the lines are perpendicular by:

a. Typing the equations of the lines into a graphing calculator and observing the graph

b. Looking at the slopes. By looking at the slopes, we see that the slope of line 1 is the reciprocal of line 2, and vice versa. Since reciprocal slopes indicate perpendicular lines, the lines 1 and 2 are perpendicular to each other.

Hope this helps!

5 0
3 years ago
Yen had 19 songs on his mp3 player. he downloaded 9 more songs today, and then he decided to split them all equally among 4 play
ella [17]
7 songs in each playlist

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3 years ago
Find the percent change from 10 yards to 13 yards
joja [24]
The percentage change is 20
5 0
3 years ago
Read 2 more answers
It is estimated that 4,600 people, correct to the
Marina CMI [18]

Answer:

The minimum would be 4,500, and the maximum would be 4,700.

Step-by-step explanation:

If I am not mistaken, you simply need to add or subtract 100 to find the minimum or maximum, as it stated that 4,600 is an estimate that is valid for a range of 100 (up or down).

8 0
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