3 years ago

I need a free maths tutor please :)

Mathematics

2 answers:

Kryger [21]3 years ago

6 0

Answer:

l can tutor you

Step-by-step explanation:

Masteriza [31]3 years ago

5 0

Answer:

l can tutor you lol

Step-by-step explanation:

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Plutonium-240 decays according to the function where Q represents the quantity remaining after t years and k is the decay consta

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Note: a radioactive decay constant is always negative.

time = [natural log(ending amount / beginning amount)] / k
time = ln (20 / 24) / -.00011
time = ln (5/6) / -.00011
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Answer:

Step-by-step explanation:

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y - 8 = 2x - 4

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In training to run a half marathon, Jenny ran 2/5 hours on Tuesday, 11/6 hours on

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Answer:

Total hours that Jenny ran = 3.63 hours.

Step-by-step explanation:

Jenny ran on Tuesday for = 2/5 hours or 0.4 hours.

Time consumed to run on Thursday = 11/6 hours or 1.83 hours.

Time consumed to run on Saturday = 21/ 15 hours or 1.4 hours.

Here, the total hours can be calculated by just adding all the running hours. So the running hours of Tuesday, Thursday, and Saturday will be added to find the total hours.

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2 years ago

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A = 2πr•(degree/360°)

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