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ElenaW [278]
2 years ago
12

Which of the following expressions is equivalent to the following

Mathematics
1 answer:
matrenka [14]2 years ago
4 0

11b + 8 - 9b + 3 =

= 11b - 9b + 8 + 3 = 2b + 11

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2 years ago
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Ken has a pole that is 26 inches long. He wishes to cut it into two pieces so that one piece will be 8 inches longer than the ot
Yuliya22 [10]

Answer:

9 inches

Step-by-step explanation:

Do the question algebraically, represented by this equation:

let x be the shorter piece

x + (x + 8) = 26                      (longer piece is 8 units longer)

Remove brackets

x + x + 8 = 26                 Combine like terms              

2x + 8 = 26                   Start isolating "x"

2x + 8 - 8 = 26 - 8           Subtract 8 from both sides

2x = 18

2x/2 = 18/2           Divide both sides by 2

x = 9                    shorter piece

The shorter piece would be 9 inches.

If you needed the longer piece too:

longer piece = x + 8

x + 8

= 9 + 8

= 17

The longer piece would be 17 inches.

Check your answer:

Longer + Shorter = 26           Substitute the lengths

17 + 9 = 26                    Add

26 = 26                same number

LS = RS                left side equals right side

The answer is correct.

3 0
3 years ago
Light travels at about 3000 000 000 meter per second what is this speed in kilometers per hour
faltersainse [42]
3000000 Kilometers i believe
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6(x - 2) = 3x - 12 + 3x
Andrei [34K]
6(x-2)=3x-12+3x
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Write the linear equation in slope-intercept form​
dolphi86 [110]

The y intercept is 0, and the slope is 5x.

Equation: y = 5x +0.

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3 years ago
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