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Keith_Richards [23]

3 years ago

14

Pam can run four laps around the track in 330 sec. Patrick can run two laps around the track in 180 sec. which person. Runs the

fastest per lap

1 answer:

Aleonysh [2.5K]3 years ago

3 0

Patrick because he can run 1 lap in 90 seconds

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if every short side is 1.5 in and every long side is 3 in what is the perimeter wilmart brainiest show your work

Zarrin [17]

Hello there (I can do this one, it's quick enough)

The correct answer is 24 inches

There are 8 short sides, so you would do 1.5 times 8, to get 12 inches

There are 4 long sides, so you would do 3 times 4, to get 12 inches

12 plus 12 = 24 inches

I hope this helped

5 0

2 years ago

What is the length of the altitude of the equilateral triangle below?

Mazyrski [523]

ANSWER

The length of the altitude is $3\sqrt{3}$ units

<u>EXPLANATION</u>

The altitude of a triangle is the vertical height of the triangle.

From the diagram the altitude is $a$

Method 1: We can use Pythagoras theorem to find $a$

$6^2=a^2+3^2$

$6^2-3^2=a^2$

$36-9=a^2$

$27=a^2$

We take the square root of both sides,

$\sqrt{27}=a$

$\sqrt{9\times3}=a$

$\sqrt{9} \times \sqrt{3}=a$

$3\sqrt{3}=a$

Method 2 Using Trigonometry

$sin(60\degree)=\frac{a}{6}$

$6sin(60\degree)=a$

$a=6\times \frac{\sqrt{3}} {2}$

$a=3\sqrt{3}$

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the answer to this question is c

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Answer:

Each hour she would bike 17.9 miles

Step-by-step explanation:

71.6 / 4 = 17.9

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