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Svetradugi [14.3K]
3 years ago
15

Mr. Barnes walks 1.4 km each day and does 25 push-ups, 5 times a week. How many kilometers will he walk in 2 weeks?

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
7 0

Answer:

He would walk 19.6 km assuming you mean 14 days as 2 weeks.

Step-by-step explanation:

The push-ups have nothing to do with his walking so it is most likely a decoy.

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Which equation has infinite solutions?
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The equation that has an infinite number of solutions is 2x + 3 = \frac{1}{2}(4x + 2) + 2

<h3>How to determine the equation?</h3>

An equation that has an infinite number of solutions would be in the form

a = a

This means that both sides of the equation would be the same

Start by simplifying the options

3(x – 1) = x + 2(x + 1) + 1

3x - 3 = x + 3x + 2 + 1

3x - 3 = 4x + 3

Evaluate

x = 6 ----- one solution

x – 4(x + 1) = –3(x + 1) + 1

x - 4x - 4 = -3x - 3 + 1

-3x - 4 = -3x - 2

-4 = -2 ---- no solution

2x + 3 = \frac{1}{2}(4x + 2) + 2

2x + 3 = 2x + 1 + 2

2x + 3 = 2x + 3

Subtract 2x

3 = 3 ---- infinite solution

Hence, the equation that has an infinite number of solutions is 2x + 3 = \frac{1}{2}(4x + 2) + 2

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<u>Complete question</u>

Which equation has infinite solutions?

3(x – 1) = x + 2(x + 1) + 1

x – 4(x + 1) = –3(x + 1) + 1

2x + 3 = \frac{1}{2}(4x + 2) + 2

\frac 13(6x - 3) = 3(x + 1) - x - 2

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Step-by-step explanation:

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15 x (5/15+3/15)  add fractions

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1/1 x 8/1

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