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3 years ago

How to convert 9% to a decimal

1 answer:

5 0

First you would convert it to a fraction. 9/100

Once you do that you divide the numerator, which is 9 by the denominator, which is 100.

Then we get our answer, 0.09

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bixtya [17]

Using an exponential function, it is found that f(5.5) = 19.8.

<h3>What is an exponential function?</h3>

An exponential function is a function in which the growth rate is a percentage, modeled by:

$y = ab^x$

In which:

a is the initial value.

b is the rate of change.

f(3.5) = 25 means that:

$ab^{3.5} = 25$

$a = \frac{25}{b^{3.5}}$

f(8.5) = 14 means that:

$ab^{8.5} = 14$

Hence:

$\frac{25}{b^{3.5}} \times b^{8.5} = 14$

$25b^5 = 14$

$b = \sqrt[5]{\frac{14}{25}}$

$b = 0.89$

$a = \frac{25}{0.89^{3.5}} = 37.59$

Hence, the function is given by:

$y = 37.59(0.89)^x$

Then, when x = 5.5:

$f(5.5) = 37.59(0.89)^{5.5} = 19.8$

More can be learned about exponential functions at brainly.com/question/25537936

7 0

2 years ago

Kay is making bead necklaces. She has 80 red beads and 64 blue beads. What is the greatest number of identical necklaces she can

RUDIKE [14]

Answer:

Step-by-step explanation:

80/2 = 40

64/2 = 32

so she can make about 32

3 0

2 years ago

What is the law of sines

galina1969 [7]

Sine is also known as Opposite over hypotenuse.

5 0

3 years ago

Read 2 more answers

What is 2/5% of 820?<br><br> 1.8<br><br> 2.05<br><br> 2.88<br><br> 3.28

Margarita [4]

Answer:

D) 3.28

Step-by-step explanation:

820/x=100/2.5

(820/x)*x=(100/2.5)*x - we multiply both sides of the equation by x

820=40*x - we divide both sides of the equation by (40) to get x

820/40=x

20.5=x

x=20.5

now we have:

2.5% of 820=20.5

6 0

2 years ago

0.396 divided by 0.111

vredina [299]

About 3.5675 i need more characters so toodles

3 0

3 years ago

Read 2 more answers