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3 years ago

15

Can someone solve the whole thing for me please it isnt a test its an online assignment and ill give you brainliest if you solve

all of them correctly

1 answer:

Temka [501]3 years ago

3 0

Answer: do you have a email so i can send it to you??

Step-by-step explanation:

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Two trains on opposite tracks leave the same station at the same time. One train travels at an average speed of 80 kilometres pe

dezoksy [38]

Answer:

1/3 hr or 20 min.

Step-by-step explanation:

Call the trains A and B

Remember d = rt

Distance train A travels is 80t

Distance train B travels is 70t

Now, 80t + 70t = 50

150t = 50

t = 50/150 = 1/3 hr or 20 min.

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aev [14]

There are 2.5 grams of niacin contained in the bottle.

First you have to find how many milligrams are in the bottle.

So you multiply 125 by 20 since there are 125 tablets and 20 milligrams in each one.

125*20=2500

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2500/1000=2.5

So there are 2.5 grams in the bottle.

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3 years ago

How would I convert -49 into a rational number like this a/b?

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2 years ago

Sam flipped a coin 20 times and the results are in the frequency table. What is the experimental probability of landing on Heads

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Step-by-step explanation:

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