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aliya0001 [1]
3 years ago
6

Kevin swims 50 meters in 1. 1 minutes on his first day of swimming class. He swims the same distance in 0. 9 minute a week later

. The next week, he swims the same distance in 0. 7 minute. If the pattern continues, what will be Kevin's time one week later?
Mathematics
1 answer:
Tresset [83]3 years ago
4 0
If the same pattern continues then kevin should be swimming a distance of 50 meters in 0.5 minutes. 

just subtract 0.2 weekly if the pattern continues
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In triangle abc, angle A is the right angle. What is the value of y?
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Answer:

A

Step-by-step explanation:

In a right triangle, the side opposite to the 90 degree angle (here, side opposite to angle A) is known as the hypotenuse.

Also, the side that is "opposite" to the angle given (here side opposite is y to angle given 30 degrees) is the opposite side.

Since we want to find "opposite" and have "hypotenuse" , recalling trig ratios, we can say opposite/hypotenuse is the ratio SINE, so we can write:

Sin(30)=\frac{y}{7}

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Since the answer choice has angles in radians, we recall 30 degrees is \frac{\pi}{6} radians.

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3 years ago
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It is 2 :)
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2 years ago
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eduard
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3 years ago
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