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myrzilka [38]
3 years ago
7

A motorboat left a harbor and traveled to an island at an average rate of 10 knots. The average speed on the return trip was 10

knots. If the total trip took 4.0 hours, how far is the harbor from the island?
Mathematics
1 answer:
Illusion [34]3 years ago
5 0

Answer:

A on edu2020

Step-by-step explanation:

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Body burns 120 calories for every 8 minutes of jumping rope
swat32

Answer:

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Step-by-step explanation:

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3 years ago
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Does anyone know this one?
mel-nik [20]

Answer:

-3

Step-by-step explanation:

(-5) - (-2) = (-3)

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6 0
2 years ago
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Use the table below. Do x and y have a proportional relationship? Explain.
nydimaria [60]

Answer:

No

Step-by-step explanation:

For x and y to have a proportional relationship, then

the ratio of k = \frac{y}{x} must be equal for all points

(2, 5) → k = \frac{5}{2} = 2.5

(3, 7.5) → k = \frac{7.5}{3} = 2.5

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8 0
3 years ago
The area of the face of a cube is 9 square meters. what is the volume of the cuber
Helga [31]

Answer:

<h2>V = 27m³</h2>

Step-by-step explanation:

We know: All faces of a cube are squares.

The formula of an area of a square with a side <em>s</em>:

<em>A = s²</em>

We have <em>A = 9m²</em>

Substitute:

<em>s² = 9 → s = √9 = 3 m</em>.

The formula of a volume of a cube with an edge <em>s</em>:

<em>V = s³</em>

Substitute:

<em>V = 3³ = 27 m³</em>

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Answer:

4z

Step-by-step explanation:

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3 years ago
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