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Firdavs [7]
2 years ago
6

Darcy and Leah are looking at some fabric selections in a store. All of the selections are marked the same price, and the amount

, in yards, of each fabric is written as an improper fraction. Which amount is the greatest? A. 43⁄5 B. 33⁄4 C. 78⁄9 D. 22⁄3
Mathematics
2 answers:
alex41 [277]2 years ago
5 0

We know that the price of all the fabrics is the same. However, the length of the fabrics is different. We have to determine which fabric is the longest.

Option A: \frac{43}{5}  = 8.6

Option B: \frac{33}{4} = 8.25

Option C: \frac{78}{9} = 8.6667

Option D: \frac{22}{3} = 7.33....

Hence, the longest fabric is the one given in option C, and its length is 8.6667

Viefleur [7K]2 years ago
4 0

Lets convert all values in the decimal expanded form.

A. 43/5 = 8.6

B. 33/4 = 8.25

C. 78/9 = 8.666...

D. 22/3 = 7.333...

From above, 8.666... is the greatest among all.

Hence, the greatest amount is 78/9.


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John spent around $53

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Since the "x" is already by itself on one side, divide 160 by 3

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I need help on solving this math problem.​
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f(1)=-3

f(-4)=-11

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2 years ago
Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage r
NISA [10]

The <em>exponential</em> function y = 290 · 0.31ˣ reports a decay as its <em>growth</em> rate is less than 1 and greater than 0. Its <em>percentage</em> rate of decrease is equal to 69 %.

<h3>How to determine the behavior of an exponential function</h3>

<em>Exponential</em> functions are <em>trascendental</em> functions, these are, functions that cannot be described <em>algebraically</em>. The <em>simplest</em> form of <em>exponential</em> functions is shown below:

y = a · bˣ     (1)

Where:

  • a - Initial value
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  • x - Independent variable.
  • y - Dependent variable.

Please notice that this kind of <em>exponential</em> function reports a <em>growth</em> for b > 1 and <em>decay</em> for b < 1 and b > 0. According to the statement we have the function y = 290 · 0.31ˣ, then we conclude that the exponential function given reports a <em>decay</em>.

The <em>percentage</em> rate of decrease is determined by the following formula:

100 × (1-0.31) = 100 × 0.69 = 69 %

The <em>percentage</em> rate of decrease related to the <em>exponential</em> function is 69 %.

To learn more on exponential functions: brainly.com/question/11487261

#SPJ1

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1 year ago
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