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3 years ago

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(x + 3)" alt="(9x + 7) + (x + 3)" align="absmiddle" class="latex-formula">

1 answer:

makkiz [27]3 years ago

4 0

$\pink{\mathbb{\underline{QUESTION}}}$

${\bf{(9x + 7) + (x + 3)}}$

$\pink{\mathbb{\underline{SOLUTION}}}$

${\bf{(9x + 7) + (x + 3)}}$

${\bf{\implies9x + 7 + x + 3}}$

${\bf{\implies9x + x + 7 + 3}}$

${\bf{\implies10x + 10}$

Hence, 10x + 10 is answer.

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The population of the country was 314 million. What is the empirical probability of death by stroke during a single year

Marat540 [252]

Answer:

Empirical probability of deaths cause by stroke=0.004086

Empirical probability of deaths cause by kidney disease =0.001436

Death rate due to stroke is 4 times the death rate due to kidney disease.

Step-by-step explanation:

Consider the table attached in figure

No. of deaths cause by stroke = 128300

No. of deaths caused due t kidney disease = 45100

Total population = 314 x 10⁵

Formula to calculate empirical probability:

$P(A)=\frac{No.\, of\,\, times\,\, event\,\, occurs}{Total\,\, population}\\$

Empirical probability of deaths cause by stroke:

$P(A)=\frac{128300}{314\times 10^5}\\\\P(A)=0.004086$

Percentage of deaths cause by stroke =0.4%

Empirical probability of deaths cause by kidney disease:

$P(B)=\frac{45100}{314\times 10^5}\\\\P(B)=0.001436$

Percentage of deaths cause by kidney disease =0.1%

Ratio between deaths caused to stoke to deaths caused by kidney disease is 4:1 which means death rate due to stroke is 4 times the death rate due to kidney disease.

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4 years ago

Which answer is the solution set to the given inequality |x+7| < 17

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Step-by-step explanation:

We are looking for two numbers, $N$ and $N + 1$ . From the problem statement, we can setup the following equation:

$3N^{2} = 5(N + 1) + 7$

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The midpoint of is (14, 26). One endpoint of is A(32, 40). What are the coordinates of B?

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For x,
(32+x)/2=14
32+x=14*2
32+x=28
x=28-32
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For y,
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Therefore coordinates of B(-4,12)
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3 years ago