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ExtremeBDS [4]
3 years ago
8

How do you solve this problem?

Mathematics
1 answer:
Afina-wow [57]3 years ago
3 0

Answer:

x=48

Step-by-step explanation:

x-3              15

------------ = ----------

6                      2

We can use cross products to solve this problem

(x-3) *2 = 6*15

Distribute

2x-6 = 90

Add 6 to each side

2x-6+6 = 90+6

2x=96

Divide by 2

2x/2 = 96/2

x = 48

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Thea has a key on her calculator marked $\textcolor{blue}{\bf\circledast}$. If an integer is displayed, pressing the $\textcolor
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Answer:

$9$

Step-by-step explanation:

Given: Thea enters a positive integer into her calculator, then squares it, then presses the $\textcolor{blue}{\bf\circledast}$ key, then squares the result, then presses the $\textcolor{blue}{\bf\circledast}$ key again such that the calculator displays final number as $243$.

To find: number that Thea originally entered

Solution:

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the number before $243$ must be $324$.

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3 years ago
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myrzilka [38]

Answer:

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2 years ago
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algol [13]

Answer:

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Step-by-step explanation:

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5 0
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9966 [12]

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