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e-lub [12.9K]
1 year ago
12

Which exponential function is represented by the table

Mathematics
1 answer:
Len [333]1 year ago
3 0

Answer:

for x = 0 ; we have f(x) = 0,5

We can eliminate the first and the last proposal because

f(x) = 0,2(0,5ˣ) ⇒ f(0) = 0,2(0,5⁰) = 0,2 × 1 = 0,2 ≠ 0,5

f(x) = 0,2(0,2ˣ) ⇒ f(0) = 0,2(0,2⁰) = 0,2 × 1 = 0,2 ≠ 0,5

Try for x = 1, we have f(x) = 0,1

f(x) = 0,5(5ˣ) ⇒ f(1) = 0,5 × 5 = 2,5 ≠ 0,1

f(x) = 0,2(0,5ˣ) ⇒ f(1) = 0,2(0,5) = 0,1 ⇒ ok

So the answer is f(x) = 0,2(0,5ˣ)

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Answer:

6 km

Step-by-step explanation:

1000 meters equals 1 kilometer

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1 year ago
Can someone please help me with this
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3 years ago
Eric made a drawing of his rectangular bedroom with the scale 1 inch=3 feet. The drawing was 5 inches long 4 inches wide. What w
kolbaska11 [484]

Answer:

180 square feet

Step-by-step explanation:

We know that the rectangular drawing has:

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  • 4 inches wide (W)

And we also know that:

<em>1 inch = 3 feet</em>

We will find how many feet long and wide is the actual room, by multiplying:

Long: 5 inches * 3 feet/inch = 15 feet

Wide: 4 inches * 3 feet/ inch = 12 feet

Now we want to know the area of the rectangle, and the area of the rectangle is:

<em>A = L*W</em>

<em>A = 15 feet * 12 feet</em>

A = 180 square feet

3 0
3 years ago
Supposed charity received a donation of $23.9 million. If this represents 54% of the charity donated funds what is the total amo
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Total amount of funds is $44.26 million.

Step-by-step explanation:

Given,

Donation received = $23.9 million

As it represents 54% of charity.

Let,

Total amount = x

Therefore,

54% of x = 23.9 million

\frac{54}{100}*x=23.9\\0.54x=23.9

Dividing both sides by 0.54

\frac{0.54x}{0.54}=\frac{23.9}{0.54}\\x=\$44.26\ millions

Total amount of funds is $44.26 million.

Keywords: percentage, division

Learn more about percentages at:

  • brainly.com/question/3950386
  • brainly.com/question/4021035

#LearnwithBrainly

8 0
3 years ago
a coach asked two players how much water they drank before practice. Ashley said she drank 1/2 pint and Claire said she drank 0.
Andre45 [30]
1. The problem gives the following information: <span>Ashley said she drank 1/2 pints and Claire said she drank 0.7 pints.

 2. Therefore, to solve this problem you must follow the proccedure that is shown below:

 3. You must sum the amount of water that  Ashley and Claire drank before the practice. Then, you have:

 1/2 pints=0.5 pints (Ashley)
 0.7 pints (Claire)

 x=0.5 pints+0.7 pints
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</span><span>
 How many pints of water did Ashley and Claire drink combined?
</span><span>
 The answer is: 1.2 pints or 1 1/5 pints
 </span>
8 0
2 years ago
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