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Marat540 [252]
2 years ago
12

A boat travels 21 miles due north and then 28 miles due east. Then the boat travels in a straight line back to its starting poin

t. What was the straight line distance of the boat to its starting point?
Mathematics
1 answer:
Aneli [31]2 years ago
3 0
21²+28²=c²
√1225=c
35 miles - distance of the boat to its starting point
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Answer:

Commutative Property

Step-by-step explanation:

Additive Identity: If you add a real number to zero or add zero to a real number, then you get the same real number back.

Additive Inverse: When you add the same number but reversed sign, you get 0.

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Addition distributive property: a(b+ c) = ab + ac.

In this case, we use the commutative property:

27 + 15 + 3 + 5 = 27 + 3 + 15 + 5.

We know that 27 + 3 = 30 and 15 + 5 = 20, so we get 50 quickly using mental math.

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You're nearly there. Just some more steps.
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When we've found this number we must realise the following:
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To find the tax rate we multiply 0.66427 by 100, which gives us:
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A, E, F, D

Step-by-step explanation:

Done this before

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