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gogolik [260]
3 years ago
12

10. Sally wants to buy a bicycle that costs $285. The bicycle is on sale for 15% off. How much

Mathematics
1 answer:
lidiya [134]3 years ago
4 0

$285×15/100

= $42.75 and this is the discount

$285-42.75 = $242.25

Sally will buy the bicycle at $ 242.25

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8. A 140-pound female has three mixed drinks one right after the other.
Sonja [21]

The BAC of the female is an illustration of proportion

  • The BAC after consuming the three drinks is 0.029w
  • The BAC three hours after consuming the drinks is 0.087 w

<h3>How to calculate the BAC?</h3>

BAC is calculated using:

BAC = Alcohol consumed/(Body Weight * R)

The weight is given as:

Body weight = 140 lb

Convert to kg

Body weight = 63.5 kg

For female

R = 0.55

So, we have:

BAC = Alcohol/(63.5 * 0.55)

BAC = Alcohol/34.925

BAC = 0.029Alcohol

The weight or volume of the alcohol consumed is given.

So, we represent it with w.

BAC = 0.029w

Hence, the BAC after consuming the three drinks is 0.029w

<h3>How to calculate the BAC after 3 hours?</h3>

We have:

BAC1 = 0.029w

Time (t) = 3 hours

The BAC after 3 hours is

BAC = BAC1 * (t - 0.015)

So, we have:

BAC = 0.029w * (3 - 0.015)

Evaluate the product

BAC = 0.087w

Hence, the BAC three hours after consuming the drinks is 0.087 w

Read more about BAC at:

brainly.com/question/1781657

7 0
3 years ago
Help with a &amp; b please ! :)
quester [9]
A. 50 divided by .6 is 30 so .6
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There are not asymptotes for the parent function<br> f (x) =1/x <br> True<br> False
Georgia [21]

Answer:

True

Step-by-step explanation:

the parent function f(x) = 1/x has a vertical asymptote at x = 0 and a horizontal asymptote at y = 0

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Chelsea completes 35 math problems in 7 min.
Andru [333]
Answer = 5 problems per minute

Because you do the number of problems divided by the minutes eg 35/7 = 5
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You are doing a case study of the death of John F Kennedy. You employ many data collection methods in
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Answer:

B. Of the people surveyed that were alive at the time, 90% of them knew exactly where they were when they heard the news.

Step-by-step explanation:

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3 years ago
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