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Iteru [2.4K]
3 years ago
7

Oscar uses place value to divide 63.81 by 9 his steps are shiwn below what mistake does oscar make

Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
7 0

Answer: in step 3 he adds 7+0.9 incorrectly

Step-by-step explanation:

Look at the step 3

Ksenya-84 [330]3 years ago
6 0

Check the picture below.

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A health club charges $35 a month for membership fees. Determine whether the cost of membership is proportional to the number of
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For the years from 2002 and projected to 2024, the national health care expenditures H, in billions of dollars, can be modeled b
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Answer:

2019.

Step-by-step explanation:

We have been given that for the years from 2002 and projected to 2024, the national health care expenditures H, in billions of dollars, can be modeled by H = 1,500e^{0.053t} where t is the number of years past 2000.

To find the year in which national health care expenditures expected to reach $4.0 trillion (that is, $4,000 billion), we will substitute H=4,000 in our given formula and solve for t as:

4,000= 1,500e^{0.053t}

\frac{4,000}{1,500}=\frac{ 1,500e^{0.053t}}{1,500}

\frac{8}{3}=e^{0.053t}

e^{0.053t}=\frac{8}{3}

Take natural log of both sides:

\text{ln}(e^{0.053t})=\text{ln}(\frac{8}{3})

0.053t\cdot \text{ln}(e)=\text{ln}(\frac{8}{3})

0.053t\cdot (1)=0.9808292530117262

\frac{0.053t}{0.053}=\frac{0.9808292530117262}{0.053}

t=18.506212320

So in the 18.5 years after 2000 the expenditure will reach 4 trillion.

2000+18.5=2018.5

Therefore, in year 2019 national health care expenditures are expected to reach $4.0 trillion.

7 0
3 years ago
In order to complete a large job, 1000 workers were hired, just enough to complete the job on schedule. All the workers stayed o
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This is just here for the 20 character limit but the answer is in the picture.

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Answer: A, C, and D all round to 5.6
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