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iren2701 [21]
3 years ago
11

Use the Pythagorean Theorem to find the missing length and then round the result to the nearest tenth. a = 6, b = 3, C = ​

Mathematics
1 answer:
Inessa05 [86]3 years ago
7 0

Answer:

I got 6.7 but I'm not entirely sure

Step-by-step explanation:

Pythagorean Theorem is A² + B² = C²

So you take 6² + 3² = 45

Take 45 and square root it

The answer should be 6.708, but rounding to the nearest tenth, the answer is 6.7

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3 years ago
Subtract j from 9, then subtract 3 from the result
Lera25 [3.4K]

Answer:

(9-j)-3

Step-by-step explanation:

Let's start from the beginning and subtract j from 9. Because the word "from" is used, 9 will be the first number and j will be the second number.

We have 9-j

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Rewrite 302+40=342 in a different way, using the commutative of addition
bagirrra123 [75]

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Step-by-step explanation:

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1 year ago
The speed of the current is 7 mph. The boat travels three times slower against the current than with the current. What is the sp
kotykmax [81]
Let the speed of the boat be x
so going against the current the speed is x-7
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let the distance be d
time = distance / speed
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time to go with the current = d/(x+7)

time going against the current is 3 times going <span>with the current
</span>
d/(x-7) = 3d/(x+7)     ⇒⇒⇒ divide by d 
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So, the speed of the boat in still water is = 14 mph
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