Round .6666 to the nearest thousandths

Mathematics

1 answer:

padilas [110]3 years ago

4 0

.6666 = .667 to the nearest thousandths

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40Points? CORRECT answer please

irina [24]

Answer:

Step-by-step explanation:

$f(t)=2(0.4)^t$

f(-2) → put t = -2 to the equation of the function:

$f(-2)=2(0.4)^{-2}=2\left(\dfrac{4}{10}\right)^{-2}=2\left(\dfrac{2}{5}\right)^{-2}$

Use $a^{-n}=\left(\dfrac{1}{a}\right)^n$

$f(-2)=2\left(\dfrac{5}{2}\right)^2=2\left(\dfrac{25}{4}\right)=\dfrac{25}{2}=12.5$

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3 years ago

Jean Gray earns a graduated commission of 4% on her first $2000 of sales and 8% on all sales over $2000. Jeans sales for the pas

Ahat [919]

Jean Gray's total earnings over the past week was $3,925

Since Jean earns 4% for the first $2,00 business she does, she earns a base commission of = $2,000*0.04 = $80

Now, we need to find how of additional sales did Jean do over and above the base of $2,000. This is calculated as follows:

Total Sales = 3,925

Base sales =2,000

Add-on sales = 3,925-2,000 = 1,925

For the $1,925 sales, Jeans earns 8% commission, her commission for this will be 1,925*0.08 = $154

So, the total commission = $80 + $154 = $234

Her commission for the week was $234

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Write the equation of the line that contains the given point and has the given slope. (–1, 4), slope is –3

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