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3 years ago

9

To practice for a competition, Jenna swam 680 meters in the pool each day for 3 weeks. How many kilometers did Jenna swim in tho

se 3 weeks?

1 answer:

Kruka [31]3 years ago

7 0

Answer:

2.04 km

Step-by-step explanation:

there are 1,000 m in 1 km

she was 680 x 3 meters = 2,040 m

2,040 m = 2.04 km

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Answer:

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Step-by-step explanation:

Since the diameter of the circle is equal to the side of a square (d), that means that we have a circle inscribed in square.

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Since radius is half the diameter, that means that:

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P2 = d^2

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Answer: 25 < P < 36

15/4 < w < 26/4

35/4 < L < 46/4

<u>Step-by-step explanation:</u>

Perimeter is BETWEEN 25 and 36

25 < P < 36

Graph: O--------------O

25 36

Perimeter = 2L + 2w ; substitute L = w + 5

25 < 2(w + 5) + 2w < 36

25 < 2w + 10 + 2w < 36

25 < 4w + 10 < 36

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$3\dfrac{3}{4}$ < w < $6\dfrac{1}{2}$

Graph: O------------------------O

$3\dfrac{3}{4}$ $6\dfrac{1}{2}$

Perimeter = 2L + 2w ; L = w + 5 --> w = L - 5

25 < 2L + 2(L - 5) < 36

25 < 2L + 2L - 10 < 36

25 < 4L - 10 < 36

35 < 4L < 46

$\dfrac{35}{4}$ < L < $\dfrac{46}{4}$

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Graph: O------------------------O

$8\dfrac{3}{4}$ $11\dfrac{1}{2}$

Note: Make sure you use OPEN dots when graphing.

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