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Eddi Din [679]
4 years ago
15

The distance between R and S on the coordinate grid is ___ units. (Input whole numbers only.)

Mathematics
1 answer:
Anna35 [415]4 years ago
7 0

Answer:

35

Step-by-step explanation:

coordinate of point S(20,5) and R(-15,5)

Distance between S and R is given by,

\sqrt{ {(x2 - x1)}^{2}  +  {(y 2 - y1)}^{2} } \\   \sqrt{ {(20 - ( - 15))}^{2} +  {(5 - 5)}^{2}  }  \\  \sqrt{ {(20 + 15)}^{2}  + 0}  \\  \sqrt{ {(35)}^{2} }  = 35units

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solong [7]

Answer:

It'll take 3 h before Lenore catch up to Sheila.

Step-by-step explanation:

To solve this problem we first need to calculate the relative speed between the two. Since they're going at the same direction we need to subtract their individual speeds if their directions were oposite we would have to sum their speeds. In this case we have:

relative speed = Lenore speed - Sheila speed

relative speed = 60 - 45 = 15 mph

Since Sheila left 1 h before Lenore and she drove at a rate of 45 mph, then she had covered a distance of:

distance = time*speed = 1*45 = 45 miles

Before Lenore left, so in order for Lenore to catch up to Sheila she needs to cover that distance at a relative speed of 15 mph.

time = distance/(relative speed) = 45/15 = 3 h

It'll take 3 h before Lenore catch up to Sheila.

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An owl begins at rest on a tree branch searching for prey. Once the owl locates the prey it flies from its perch and four second
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6 0
4 years ago
A square pool is surrounded by a paved area that is 2 metres wide. If the area of the paving is 72m2, what is the length of the
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The length of the square pool is 8. 49cm

<h3>How to determine the area</h3>

Note that the formula for finding the area of a square is given as;

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Substitute into the formula

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Thus, the length of the square pool is 8. 49cm

Learn more about area of a square here:

brainly.com/question/486778

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