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Margarita [4]
2 years ago
8

Camilla borrows a book from the library for ddd days. The library charges a late fee of 0.100.100, point, 10 dollars per day tha

t the book is late.
If Camilla returns the book more than 212121 days after she borrowed it, the expression 0.10(d-21)0.10(d−21)0, point, 10, left parenthesis, d, minus, 21, right parenthesis represents the total late fee Camilla owes.




What does (d-21)(d−21)left parenthesis, d, minus, 21, right parenthesis represent in this context?
Mathematics
2 answers:
bixtya [17]2 years ago
4 0

Answer:

(d -21) is the number of days the book is late

Step-by-step explanation:

larisa [96]2 years ago
3 0

Answer:

  (d -21) is the number of days the book is late

Step-by-step explanation:

There is no fee if the book is returned within 21 days, so d-21 represents the number of "late days" for which a fee is charged.

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I am paying $60.00 a month for my service. I would like to upgrade to the $80.00 service package because my new employer offers
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Answer:

that would be 16 dollars

Step-by-step explanation:

80.00 multiplied by .2 equals 16

8 0
2 years ago
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"A consultant compiled the following data set that shows" the number of visits made to the National Museum of American History f
aalyn [17]

Answer:

Step-by-step explanation:

The best option is for the consultant to remove these data points because they are outliers.  Unusual data points which are located far from rest of the data points are known as outliers.

3 0
2 years ago
Sharon is decreasing the size of a diagram of a leaf that is 30 centimeters long by 10 centimeters wide if the reduced diagram i
Lyrx [107]
Do it in ratio form, 30/10=x/4, 30*4=120/10=12. it will be 12 centimeters long

4 0
2 years ago
One fourth of all telephones at the office have built in speaker phones. One -half the phones with the built-in speaker phones h
Helga [31]

Answer:

\frac{1}{8} of the phones in office has both a speaker phone and a conference-call capability

Step-by-step explanation:

Since total number of phones in the office is not given, the answer will be "in that terms".

let it be x

So built in speaker phones is (1/4)x

Hence conference call phones would be (1/2)(1/4x) = (1/8)x

Hence "1/8th of the phones in office has both a speaker phone and a conference-call capability"

7 0
2 years ago
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Cos2a.cos3a-cos2a.cos7a/sin4a.sin3a-sin2a.sin5a ​
Dmitrij [34]

Answer is -28.37

Step-by-step explanation:

from the numerator cos 2a×cos 3a - cos 2a×cos7a= cos6a^2 -cos 14a^2

= -cos8a^2 for the numerator

from the denominator;

sin4a×sin3a-sin2a×sin5a= sin12a^2 -sin10a^2

= sin2a^2

therefore, combining the equation it gives; -cos8a^2/sin2a^2

a^2 will divide each other,

= -cos8/sin2.

from the calculator,

= - 0.9903/0.0349

= -28.37

5 0
2 years ago
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