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Scrat [10]
2 years ago
8

I keep getting this wrong and I only have one chance to get it right. Please help! It's timed aswell.

Mathematics
1 answer:
allsm [11]2 years ago
7 0

PIC 1 - floor function

PIC 2 - 1,1

PIC 3 - -1,1

PIC 4 - f(x)=[1/2]

PIC 5 - f(x)=1/5

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For y = 3x - 2x2 +5x3, show how to find the value for y, when x = 3. Show your work
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Y= 3(3)–2(3)2+5(3)3
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y=9–12+5*9
y=9–12+45
y=42
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i just did my homework with the same question

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the price of the cell phone is expected to increase by 165% in September 2015. The current price of a cell phone is $62.80. What
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Answer:

$166.42.

Step-by-step explanation:

We have been given that the price of the cell phone is expected to increase by 165% in September 2015. The current price of a cell phone is $62.80.

The price of cell phone in September 2015 will be $62.80 plus 165% of $62.80.

\text{The predicted cost of a cell phone in September 2015}=\$62.80+(\frac{165}{100}*\$62.80)

\text{The predicted cost of a cell phone in September 2015}=\$62.80+(1.65*\$62.80)

\text{The predicted cost of a cell phone in September 2015}=\$62.80+\$103.62

\text{The predicted cost of a cell phone in September 2015}=\$166.42

Therefore, the predicted cost of a cell phone in September 2015 will be $166.42.

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2 years ago
What are the coordinates of the image D0.5(3,5)?
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There isn't an image attached .

Step-by-step explanation:

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