3 years ago

Which of the following describes exponential decay?

Mathematics

1 answer:

gladu [14]3 years ago

5 0

So it should be A bit look it up just in case

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Deb drew a scale drawing of a swimming pool. She used the scale 1 millimeter : 9 meters. The pool is 45 meters long in real life

Norma-Jean [14]

Answer:5 millimeters on the drawing

Step-by-step explanation: subtract 45 meters from 9 meters to get 5 millimeters

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3 years ago

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Average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

11111nata11111 [884]

The average rate of change is the slope of the secant line connecting the points on f(x) from x=-5 to x=10.

In other words, it is just the slope of the straight line connecting the points
$(-5,f(-5)) \: and \: (10,f(10))$

So we were given ,

$f(x) = {x}^{2} - 3x - 10$

At
$x = - 5$
$f( - 5) = {( -5 )}^{2} - 3( - 5) - 10$
$f( - 5) = 25 + 15- 10$
$f( - 5) = 30$

Also at
$x = 10$
$f( 10) = {( 10)}^{2} - 3( 10) - 10.$
$f( 10) = 100- 30 - 10$
$f( 10) = 60$

The average rate of change
$= \frac{f(10) - f( - 5)}{10 - - 5}$
$= \frac{60- 30}{15}$
$= \frac{30}{15}$
$= 2$

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3 years ago

Square root of 28283838

IRISSAK [1]

Answer:

The answer is 5318.25516

Have a nice day!

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Susan borrowed $2,000 at a simple interest rate of 3%. She paid the money back over 1.5 years. What was the total amount of mone

dimulka [17.4K]

I got 6000 but im not 100% sure

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Jody has 3 red marbles, 6 blue marbles, and 8 yellow marbles. What is the ratio of red marbles to blue marbles?

Arte-miy333 [17]

Answer:

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Step-by-step explanation:

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