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galina1969 [7]
3 years ago
11

on his way to visit his sister at college,gregg drives 135 miles in 3 hours.what is his average rate or speed in miles per hour

Mathematics
2 answers:
Alexxandr [17]3 years ago
8 0

Answer:

Speed is 45 miles per hour.



Step-by-step explanation:

135 divided by 3 is 45


elena55 [62]3 years ago
7 0

Answer:

45 m/p

Step-by-step explanation:


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Is y = -x + 5 non-linear or linear
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Answer:

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Step-by-step explanation:

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Antoinette solves the linear equation 3(x-3)+2x+9 = 2X+ 2(x-1) using the steps shown below.
taurus [48]

Answer:

Antoinette's error

Option A) She distributed incorrectly.

Step-by-step explanation:

We are given the following information in the question:

Antoinette solves the linear equation

3(x-3)+2x+9 = 2x+ 2(x-1)

Antoinette made mistake in step 1 that is she did not distributed correctly.

If she would have distributed correctly, then she would have got the following solution:

3(x-3)+2x+9 = 2x+ 2(x-1)\\\text{Step 1: }3x-9+2x+9 = 2x + 2x-2\\\text{Step 2: }5x = 4x -1\\\text{Step 3: }5x-4x = -1\\\text{Step 4: }x = -1

Substituting x = -1 in the given equation, we gwt:

3(-1-3)+2(-1)+9 = 2(-1)+ 2(-1-1)\\-12-2+9 = -2-4\\-6=-6\\\text{which is true}

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5 0
3 years ago
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Hope this helps!

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