Assume one of your favorite activities is mountain climbing. When you go mountain climbing, you have several safety devices to keep you from falling. You notice that attached to one of your safety hooks is a reliability rating of 97%. You estimate that throughout the next year you will be using this device about 100 times.

Does a reliability rating of 97% mean that there is a 97% chance that the device will not fail any of the 100 times? why?
How much safer would it be to use a second safety hook independent of the first?

people grow faster than other people.

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should you really be posting this isn't math boi.

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ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3

i dont have an answer

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i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval