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2 years ago

15

A car dealer recently sold five cars for the following profits: $10.126, $9,999, $12,398, $12,007, and $4,567. What was the mean

for the profits of the sales?

1 answer:

Arte-miy333 [17]2 years ago

3 0

You add them all up and you divide them from 5 and that's 49097/5 and that equals 9819 and 2/5 and that in decimal form is $9819.40.

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DeShawn pays 8$ for 12 pounds of sugar. What is the price per pound of sugar

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Answer:

DeShawn pays .67 cent per pound of sugar

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2 years ago

over the course of 4 days the price of stock at ACME corporation fell $28. What was the average change in stock price per day?

expeople1 [14]

28/4 = 7...and since the price fell, it would be -7 per day

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2 years ago

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A population of mice is increasing exponentially. On Monday there were 120 most. One month later there were 132 most. Ready func

djyliett [7]

Answer:

$y=120 * 1.1^x$ --- function

The monthly rate is 10%

Step-by-step explanation:

Given

Let

$x \to months$

$y \to mice$

So, we have:

$(x_1,y_1) = (0,120)$ --- Monday

$(x_2,y_2) = (1,132)$ --- One month later

Required

The function

The function is represented as:

$y=ab^x$

In $(x_1,y_1) = (0,120)$ , we have:

$120 = a * b^0$

$120 = a * 1$

$120 = a$

$a=120$

In $(x_2,y_2) = (1,132)$ , we have:

$132 = a * b^1$

$132 = a * b$

Substitute: $a=120$

$132 = 120 * b$

Solve for b

$b = \frac{132}{120}$

$b = 1.1$

So, the function is:

$y=ab^x$

$y=120 * 1.1^x$

To calculate the monthly rate (r), we have:

$y =a(1 + r)^x$

Compare to: $y =ab^x$

$1 + r = b$

Make r the subject

$r = b-1$

Substitute $b = 1.1$

$r = 1.1-1$

$r = 0.1$

Express as percentage

$r = 0.1*100\%$

$r = 10\%$

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2 years ago

Which statement correctly describes the relationship between an acute and obtuse angle? An acute angle has the same measure as a

SSSSS [86.1K]

An acute angle has a smaller measure than an obtuse angle

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2 years ago

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Find the prime factorization of 210.<br><br> 2 X 3 X 5 X 7<br> 2 X 3 X 35<br> 2 X 7 X 15

lara31 [8.8K]

The answer is: [A]: " 2 × 3 × 5 × 7 " .
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210 = 70 * 3 ;

70 * 3 = 35 * 2 * 3 ;

35* 2* 3 = 7 * 5 * 2 * 3 ; which corresponds to "Answer choice: [A]." .
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3 years ago

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