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Licemer1 [7]
2 years ago
8

3. Kate's "Dining Card" entitles her to $10 off the price of a meal after a 15% tip has been added to the

Mathematics
1 answer:
Phoenix [80]2 years ago
8 0

help meeeeee need it nowww

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Ms Happy has decided to start wearing a face mask, because it is now required of her to do so. The mask she has started wearing
Alchen [17]

Answer:

37.20 %

Step-by-step explanation:

Circumference = 2 × pi × r

30 = 2 × 3.14 × r

r = 4.7770700637

Area of her face = pi × r²

3.14 × 4.7770700637²

= 71.6560509556 in²

Area of the mask = 9 × 5 = 45 in²

Uncovered area

= 71.6560509556 - 45

= 26.6560509556 units²

% of uncovered area:

26.6560509556/71.6560509556 × 100

37.2%

6 0
3 years ago
A man is listening to his radio at the top of a mountain where the altitude is 4500 feet
AURORKA [14]
But what say it again wit what is this
7 0
3 years ago
A rental car company has noticed that the distribution of the number of miles customers put on rental cars per day is skewed to
kodGreya [7K]

Using the Central Limit Theorem, the correct option is:

(c) Average number of miles put on a rental car per day across 25 customers.

--------------------------

The Central Limit Theorem states that, for a normally distributed variable X, with mean \mu and standard deviation \sigma, the sample means of size m are approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

  • The interpretation related to this problem is that the larger the sample size, the smaller the standard deviation.
  • Thus, among the options, the largest sample is 25, thus, option c will have the smallest standard deviation.

A similar problem is given at brainly.com/question/23088374

5 0
2 years ago
Can someone please HELP ME
nirvana33 [79]

a) the independent variable is the number of training miles.

b) the dependent variable is the cost to mail the package

c) the dependent variable is P

3 0
3 years ago
10 years ago, there were 35 mountain lions and today there are 21. Find the percent of change.
charle [14.2K]

Answer:

40%

Step-by-step explanation:

I I think they were asking about percentage decrease.percentage decrease=to decrease over original price x 100%

4 0
3 years ago
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