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Morgarella [4.7K]
2 years ago
5

Estimate the difference by rounding each mixed number to the nearest half or whole number. 8 4/10 - 2 1/7

Mathematics
2 answers:
Brilliant_brown [7]2 years ago
7 0
The answer would be 6 9/35 which would round to 6.5
timofeeve [1]2 years ago
3 0

Answer:

6 1/2

Step-by-step explanation:

8 4/10 is rounded to 8 1/2 and 2 1/7 is rounded to just 2

8 1/2 - 2 = 6 1/2

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Answer:  Medication in Lexi's system on day t becomes,

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Step-by-step explanation:

Since we have given that

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Concentration in blood decreases by a factor of one half every day.

So, it becomes,

S=10(\frac{1}{2})^t\\\\here,\text{ t denotes number of days}

According to question, four days later, it becomes,

S=10(\frac{1}{2})^4\\\\S=\frac{10}{16}\\\\S=0.625\ mg

We have given that Lexi takes 10 mg of the same medicine.

So, it becomes,

10+0.625\\\\10.625\ mg

Hence, Medication in Lexi's system on day t becomes,

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3 0
3 years ago
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klio [65]

Answer:

58 yards^2

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The population of a school is 800 students and is increasing at a rare 2% per year use an exponential function to find the popul
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The answer is 800 + 144 which is 944
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