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MariettaO [177]
3 years ago
15

Please answer this question correct now fast

Mathematics
1 answer:
Tom [10]3 years ago
8 0

Answer: 14.1

Step-by-step explanation:

Law of cosines:

d^2 = 8^2 + 10^2 - 2(8)(10)cos103

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Which of the following could be the side measures of a right triangle?
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Answer:

A

Step-by-step explanation:

Because a^2+b^2=c^2 in a right triangle by Pythagorean's Theorem.  So, the only one that works is 3^2+4^2=5^2 because 9+16=25.

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What's is an equation of the line that passes through the point(-3,-1) and is perpendicular to the line x-2y=6
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y+1=-2(x+3)

Step-by-step explanation:

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3 years ago
I know I haven't been on this app for a long time but can ya'll help me
kramer

Answer:

2774

Step-by-step explanation:

start by multiplying 2 by 7, the answer is 14 put the 1 above the 8 in 1387 then put the 4 under the equation, similar to addition. repeat but next time when you multiply 2 by 8 add the 1 (from the previous multiplication) to the answer under and put the 1 from 17 on top of the 3. you get it?

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