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trasher [3.6K]
2 years ago
13

Today, the price of a new cell phone is $129. In 2000, the price of a similar cell phone was $240. What is the percent of change

in the price of a cell phone from 2000 to today? Since it wen from $240 in the year 2000 to $129 today, this would indicate a percent decrease. Round to the nearest percent.
Mathematics
1 answer:
Vinil7 [7]2 years ago
7 0

Answer:

86.05

Step-by-step explanation:

Its hard to explain but trust me and look at my ranking and see all the people Ive helped :)

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A chemist is using 382 milliliters of a solution of acid and water. If 15.4% of the solution is acid, how many milliliters of ac
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Answer:

58.8

Step-by-step explanation:

basic facts:

-15.4% is the same as 15.4/100

- the word 'of' in maths means times

so 15.4% of the 382ml is the same as

382*15.4/100

to do that, you multiply 382 by 15.4 = 5882.8

then you divide that by 100= 58.828

and then you just round that of to 58.8

                                 

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Answer:

Step-by-step explanation:

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scZoUnD [109]

(16,5) it should be

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3 years ago
Over which interval is the graph of the parent absolute value function f(x)=|x| decreasing?
pogonyaev

Answer:

(–∞, 0)

Step-by-step explanation:

The graph of the absolute value parent function f(x) = |x| is shown in the attached diagram.

We can clearly see that from -∞ to 0, the function is decreasing and from 0 to +∞, it is increasing. This is the basic, parent absolute value function.

THe questions asks, when is it decreasing, so clearly, it is from -∞ to 0.

This is the answer.

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How can the area of this triangle be determined by forming a rectangle?
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