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MrRa [10]
3 years ago
14

For each expression, combine like terms and write an equivalent expression with fever terms.

Mathematics
2 answers:
ASHA 777 [7]3 years ago
7 0

Answer:

1. 7x

2. 8x - 1

3. 6x + 12

4. 3x + 4

5. 13x - 7

Step-by-Step Explanation:

Hope this helps!

Anton [14]3 years ago
6 0

Answer:

1. 7x

2. 8x -1

3. 6x+12

4. 3x + 4

5. 13x -7

Step-by-step explanation:

It is given that:

1. 4x + 3x

  7x

2. 3x + 5x - 1

   8x -1

3.  5 + 2x + 7 + 4x

   2x+4x+5+7

   6x+12

4. 4 - 2x + 5x

   4 + 3x

  3x + 4

5. 10x - 5 + 3x - 2

   10x + 3x -5 -2

   13x - 7

Therefore,

1. 7x

2. 8x -1

3. 6x+12

4. 3x + 4

5. 13x -7

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Fynjy0 [20]

Answer:

16 seconds (Approximately)

Step-by-step explanation:

Given:

The function that gives the distance of snowboarder from the bottom of hill with time 'x' is:

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Now, plugging in 100 for 'd' and solving for 'x', we get:

100=-4x^2+1100

Adding -1100 both sides, we get:

100-1100=-4x^2+1100-1100\\-1000=-4x^2

Dividing both sides by -4, we get:

\frac{4x^2}{4}=\frac{1000}{4}\\x^2=250

Taking square root and neglecting the negative root as time can't be negative. So,

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Therefore, after 16 seconds, the snowboarder will be at a distance of 100 ft from bottom of hill.

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3 years ago
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