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AlekseyPX
3 years ago
15

A company that makes​ hair-care products had 8 comma 000 people try a new shampoo. Of the 8 comma 000 ​people, 16 had a mild all

ergic reaction. What percent of the people had a mild allergic​ reaction?
Mathematics
1 answer:
Sedaia [141]3 years ago
7 0

Answer:

around 0.2%

Step-by-step explanation:

the ratio is 16/8000, which divides out to 0.002, which as a percentage, is 2%

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janelle has $75. She buys jeans that are discounted 30% and then uses an in-store coupon for $10 off the discounted price. After
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If you want to the know the total price of the jeans, with discount coupon and sales tax then it's $15.76

$75 x 0.30 = $22.50

$22.50 - $10 = $12.50

$12.50 + $3.26 = $15.76

7 0
3 years ago
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UkoKoshka [18]

Answer:

The solution will be negative.

Step-by-step explanation:

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2 years ago
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Oksana_A [137]

Answer:

You do 2/3 times 30d minus 2/3 times 15. That will give you 20d - 10

Step-by-step explanation:

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3 years ago
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3 0
2 years ago
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2. The Martian Zoological Society has a unique display of the native monocephalous fauna:
german

Answer:

There are 12 pentapods and 8 Tripods, which in total add up to 84 feet.

Step-by-step explanation:

Given that both the Tripods and the Pentapods have, at least, 3 feet (the Pentapods have 5), and that in total between both groups they add 20 heads and 84 feet, the following logical reasoning can be made:

If there are 20 heads, there are 20 Martians in all. Each of them has, at least, 3 feet, with which in principle the 20 Martians would add up to a total of 60 feet (20 x 3). Therefore, there is a surplus of 24 feet (84 - 60).

If the Pentapods have 2 feet more than the Tripods, the number of Pentapods in the total Martians is determined by that difference. Thus, if there are 24 feet left, there are 12 Pentapods (24/2).

Therefore, in the group of Martians there are 12 pentapods (12 x 5 = 60) and 8 Tripods (8 x 3 = 24), which in total add up to 84 feet (60 + 24).

6 0
3 years ago
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