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charle [14.2K]
3 years ago
13

The laptop was $500 and is now $400. What is the percent of change?

Mathematics
2 answers:
snow_lady [41]3 years ago
6 0

Answer:

20%

Step-by-step explanation:

Alex_Xolod [135]3 years ago
4 0

Answer:

It's -20.00%  I have a link to a website that calculate percent of change for you if you want it, just comment and tell me

Step-by-step explanation:

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Directions: Graph each function using a table of Graph each values, then identify its key characteristics.
Tom [10]

Answer:

Step-by-step explanation:

Given function is,

y=(\frac{1}{2})^x

In the given exponential function,

Base of the function = \frac{1}{2}

By the property of an exponential function,

1). If the base is between 0 and 1, function will be a growth function.

2). If the base is greater than 1, function will be a decay function.

Therefore, given function is a decay function.

Input-output table,

x             -2                -1               0                1                 2

y      (\frac{1}{2})^{-2}=4     (\frac{1}{2})^{-1}=2     (\frac{1}{2})^{0}=1   (\frac{1}{2})^1=\frac{1}{2}      (\frac{1}{2})^2=\frac{1}{4}

By plotting these points we can get the graph of the function.

Domain: (-∞, ∞)

Range: (0, ∞)

y-intercept: 1

Asymptote: y = 0

7 0
3 years ago
Help please
ivolga24 [154]

Answer:

24

Step-by-step explanation:

3 0
3 years ago
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olga55 [171]
Answer is 25 x 2x + 729/25

6 0
3 years ago
A group of middle school students attended a field trip. There were 20 sixth grade students and 25 seventh grade students on the
mixer [17]

Answer:

A: 4:5

Step-by-step explanation:

You can simplify 20:25 and get 4:5.

Hope this helps!

4 0
3 years ago
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Mary wants to have $8500 to travel to South America when she is 21. She currently has $6439 in a savings account earning 4% annu
kolezko [41]
The answer: $6964.42

Mark me as brainiest please thank you
7 0
3 years ago
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