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Alecsey [184]
3 years ago
15

- Which of the following is the correct distance between the points (-5, 3) and (7,8)?

Mathematics
1 answer:
JulsSmile [24]3 years ago
7 0

Answer:

13 units

Step-by-step explanation:

(x₁,y₁) = (-5 , 3)   & (x₂ , y₂) = (7 ,8)

Distance = \sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}} \\

              = \sqrt{(7-[-5])^{2}+(8-3)^{2}} \\\\= \sqrt{(7+5)^{2}+(8-3)^{2}} \\\\=  \sqrt{(12)^{2}+(5)^{2}}\\\\=\sqrt{144+25}\\\\=\sqrt{169}\\\\= 13

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Alika [10]

Answer:

See below

Step-by-step explanation:

Let's take it part by part:

(3-4)+(11+21)-3

-1+(32)-3

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28

6 0
3 years ago
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The measure of one of the small angles of a right triangle is 15 less than twice the measure of the other small angle. Find the
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Answer:

35° and 55°

Step-by-step explanation:

The sum of the angles of a right rectagle is 180°, with a right angle of 90°.

The tell us that A = 2B-15, so:

180° = 90° + A + B

180° = 90° + 2B - 15 + B

180° - 90° + 15 = 2B + B

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Now, let's find A:

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3 years ago
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3 years ago
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Mariana [72]

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Step-by-step explanation:

7 0
2 years ago
If an arrow is shot upward on Mars with a speed of 68 m/s, its height in meters t seconds later is given by
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Answer:

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Given y = 68t - 1.86t²

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