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Step2247 [10]
3 years ago
8

Betsy started a business 2 years ago.She had 8 customers in the first year.She added 18 customers in the second year. Betsy's go

al is that in each of next 3 years she will have three times as many customers as the year before.Betsy says her calculations in the table below show that if she meets this goal each year,she will have 312 customers 4 years from now.is Betsy correct? Use the drop-down menus to explain your reasoning
Mathematics
1 answer:
liraira [26]3 years ago
6 0

no because 18x 3 is 54 54 216

i think

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Let f(x)=(18)3^x. find the equation of the line between the points (-2,f(-2)) and (1,f(1))
horsena [70]

\text{Given that,} \\\\f(x) = 18 \cdot 3^x \\\\f(-2) = 18 \cdot 3^{-2} = 2\\\\f(1) = 18 \cdot 3^1 = 54\\ \\\text{So,}~ (x_1,y_1) = (x_1, f(-2)) = (-2,2) ~\text{and}~ (x_2,y_2) = (x_2, f(1)) = (1,54)\\ \\\text{Slope,}~ m = \dfrac{y_2 -y_1}{x_2 -x_1} = \dfrac{54-2}{1+2} = \dfrac{52}3 \\\\

\text{Equation of line,}\\\\~~~~~~~y - y_1 = m (x-x_1)\\\\\\\implies y-2 = \dfrac{52}3(x+2)~~~~~~~~~~~;[\text{Point-Slope form.]} \\\\\\\implies y-2 = \dfrac{52}3x + \dfrac{104}3\\\\\\\implies y = \dfrac{52}{3}x + \dfrac{104} 3 +2\\\\\\\implies y = \dfrac{52}3 x +\dfrac{110}3 ~~~~~~~~~~~~~~~;[\text{Slope -Intercept form}]

6 0
2 years ago
Please try to answer it if you want to :)
lubasha [3.4K]

no

i have no idea what to do

7 0
3 years ago
Read 2 more answers
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kakasveta [241]

Answer:0.0575

Step-by-step explanation:

1 box cost $60

x boxes can be bought for $3.45

x=3.45/60

x=0.0575

4 0
3 years ago
Find the slope of the line passing through the points (-3,-8) and (5,6)
Mkey [24]

Slope is the change in Y over the change in X:

Slope = (6 - -8) / (5 - -3)

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7 0
3 years ago
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What does 3 exponent -2 equal
inysia [295]
I am pretty sure your answer is going to be 243
I hope this helps, and good luck!!
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