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zhuklara [117]
2 years ago
9

Elsa bought three books at a bookstore. Here are their prices (in dollars).

Mathematics
2 answers:
nalin [4]2 years ago
7 0

Answer:

$ 40.82

Step-by-step explanation:

the sum of the three numbers is 40.82.

garri49 [273]2 years ago
7 0
The total amount Elsa spends is 40$ in total
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olganol [36]

Answer:

\boxed{a. \: f(x) = 3(2)x} \: is \: correct

Step-by-step explanation:

if \: the  \: points \: are \:  (1, 6) \:  and  \: (2, 12) \to \\ then \to \\ m =  \frac{12 - 6}{2 - 1}  =  \frac{6}{1}  \\  \boxed{m = 6} \\ y - 6 = m(x  - 1) \\ y = 6x - 6 + 6 \\ y = 6x = (3)(2)x \\ but \: y = f(x) \to \: hence \to \\ \boxed{ f(x) = 3(2)x}

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Step-by-step explanation:

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3 years ago
The table shows the height of several buildings in the chicago use the table to determine whether the height of the building is
sleet_krkn [62]
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What is the elasped time for 9:30p.m to8:30a.m?
solniwko [45]
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3 0
3 years ago
Read 2 more answers
Tacoma's population in 2000 was about 200 thousand, and has been growing by about 8% each year. If this continues, what will Tac
Anestetic [448]

Answer:

Tacoma's population in 2014 will be 587,439 people

Step-by-step explanation:

we know that

The equation of a exponential growth function  is given by the formula

y=a(1+r)^x

where

y is Tacoma's population in thousand

x is the number of years since 2000

r is the rate of change

a is the initial value

we have

a=200\\r=8\%=8/100=0.08

substitute

y=200(1+0.08)^x

y=200(1.08)^x

what will Tacoma's population be in 2014?

Find the value of x

x=2014-2000=14\ years

substitute the value of x

y=200(1.08)^{14}=587.439\ thousand

therefore

Tacoma's population in 2014 will be 587,439 people

5 0
3 years ago
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