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2 years ago

14

An allergy drug is tested by giving 130 people the drug and 100 people a placebo. A control group consists of 70 people who were

given no treatment. The number of people in each group who showed improvement appears in the table. LOADING... Click the icon to view the table.

1 answer:

Ksenya-84 [330]2 years ago

3 0

Answer:

Need more info?

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Please screenshot the table.

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At work, Elon takes a break 1/5 of each hour he works. He also takes a lunch break for 1/2 of an hour each day he works. Elo

Anton [14]

Answer:

$h=50\ hours$

Step-by-step explanation:

Let

h -----> the number of hours, Elon works during one 5-day work week

we know that

$12\frac{1}{2}\ h=\frac{12*2+1}{2}=\frac{25}{2}\ h$

Elon’s break time must be equal to 1/2 of an hour multiplied by 5 days plus 1/5 multiplied by the total hours h

so

$\frac{25}{2}=5(\frac{1}{2})+\frac{1}{5}h$

Solve for h

Multiply by 10 both sides to remove the fraction

$125=25+2h$

$2h=125-25$

$2h=100$

$h=50\ hours$

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Flura [38]

Answer:

the quadratic function has a maximum as it is opened downwards.

Step-by-step explanation:

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