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Svetach [21]
3 years ago
6

Two runners in a 400 meter race cross the finish line in a photo finish. From the photo, officials find that the second runner w

as 80 meters behind the winner. How many meters had the second runner completed when the winner crossed the finish line?
A. 0.8 m
B. 320 m
C. 399.2 m
S. 399.92 m
Mathematics
1 answer:
vodomira [7]3 years ago
8 0
The second place runner had already completed 320 meters when the winner crossed the finish line

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Answer:

Here's a possible example:

Step-by-step explanation:

f(x) =\begin{cases} x & \quad x < 3\\x+3 & \quad x \geq 3\\\end{cases}

Each piece is linear, so the pieces are continuous by themselves.

We need consider only the point at which the pieces meet (x = 3).

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3 years ago
The perimeter of this isosceles triangle is 22 cm. If one side is 6 cm, what are the possible lengths of the other two sides? Pa
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We know that

<span>the isosceles triangle has two equal sides
</span>
<span>let's analyze two cases
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first case
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<span>the possible lengths of the other two sides are
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second case
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answer second case
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Step-by-step explanation:

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Step-by-step explanation:

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