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zhuklara [117]
3 years ago
5

A pizza parlor offers pizzas with diameters of 8 in, 10 in, and 12 in. find the area of each size pizza. round to the nearest te

nth. if the pizzas cost $9, $12, and $18 respectively, which is the better buy
Mathematics
1 answer:
leonid [27]3 years ago
4 0
The best buy is the in. I really hope this helped
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How much money do you save when you buy a $40 video game that is on sale for 25% off?
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I it is think it’s $10
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Chris’s bank allows him to have a negative balance in his checking account. Chris initially has $450 in his account. He then wri
Cloud [144]

x=Money after withdrawals.

x=450-200(3)

x=450-600

x=-250

After making 3 $200 withdrawals from his account after initially starting with $450 he has a balance of negative $250 in his account.

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Carlie has 58 pencil. What is the value of the digit 5 in this number
Nesterboy [21]
The value of the digit 5 in this number is 50 because 5 is in the tenth place.
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Convert 15/50 into a fraction
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8 0
3 years ago
Students in a zoology class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. After t​
juin [17]

Answer:

a. 73; b. 48.9; c. 2; d. 33.8; e. 73

Step-by-step explanation:

Assume the function was

S(t)= 73 - 15 ln(t + 1), t  ≥ 0

a. Average score at t = 0

S(0) = 73 - 15 ln(0 + 1) = 73 - 15 ln(1) = 73 - 15(0) =73 - 0 = 73

b. Average score at t = 4

S(4) = 73 - 15 ln(4 + 1) = 73 - 15 ln(5) = 73 - 15(1.61) =73 - 24.14 = 48.9

c. Average score at t =24

S(24) = 73 - 15 ln(24 + 1) = 73 - 15 ln(25) = 73 - 15(3.22) =73 - 48.28 = 24.7

d. Percent of answers retained

At t = 0. the students retained 73 % of the answers.

At t = 24, they retained 24.7 % of the answers.

\text{Percent retention} = \dfrac{\text{24.7}}{\text{73}} \times 100 \, \% = \text{33.8 \%}\\\\\text{The students retained $\large \boxed{\mathbf{33.8 \, \%}}$ of their original knowledge after two years.}

e. Maximum of the function

The maximum of the function is at t= 0.

Max = 73 %

The graph below shows your knowledge decay curve. Knowledge decays rapidly at first but slows as time goes on.

 

6 0
3 years ago
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