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____ [38]
2 years ago
6

HELPP ALGEBRAA QUESTION

Mathematics
2 answers:
Ivan2 years ago
8 0

Answer:

  y = 1000·1.20^x

Step-by-step explanation:

The form of an exponential function is ...

  y = a·b^x

where 'a' is the initial value (y-intercept), and 'b' is the common ratio (growth factor).

The growth factor is related to the growth rate by ...

  growth factor = 1 + growth rate

For a growth rate of 20%, the growth factor is ...

  growth factor = 1 +20% = 1.20

__

The problem statement tells you the initial value is $1000, so your exponential function is ...

  y = 1000·1.20^x . . . . . x is the number of years after the current year; y is the watch value in dollars

Annette [7]2 years ago
7 0

Answer:

200x+1000

Step-by-step explanation:

200x is the rate its growing at which is 20 percent. and 1000 is the value it started at. goodluck

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Bianca earned $399.60 after working for 18.5 hours. How much did she earn for one hour?​
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to find one hour divide 399.60 into 18.5

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Answer:

<u>R</u><u>a</u><u>t</u><u>e</u><u> </u><u>i</u><u>s</u><u> </u><u>1</u><u>.</u><u>1</u><u>3</u><u>3</u><u>3</u><u> </u><u>w</u><u>o</u><u>r</u><u>d</u><u>s</u><u> </u><u>p</u><u>e</u><u>r</u><u> </u><u>s</u><u>e</u><u>c</u><u>o</u><u>n</u><u>d</u><u> </u>

Step-by-step explanation:

We understand rating as frequency or speed of doing something per time (seconds mainly)

{ \green{ \tt{rate = \frac{item \: quantity}{time}  }}} \\

Let's find rate in terms of seconds (words per second)

{ \rm{rate =  \frac{34 \: words}{ (\frac{1}{2} \times 60)  \: seconds} }} \\  \\ { \rm{rate =  \frac{34}{30} }} \\  \\ { \rm{rate = 1.133 \:  \: words \: per \: second}}

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22

Step-by-step explanation:

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