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pashok25 [27]
3 years ago
13

The length of a rectangle is 9 units more than its width. Use x to represent the width. Then write an algebraic expression that

represents the length.
Mathematics
1 answer:
luda_lava [24]3 years ago
4 0
X+9=length

hope this helps! :)


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Mario invested $475 in $45 and $25 stock shares. The number of $25 shares was 5 less than 3 times the number of $45 shares. How
Anit [1.1K]

\text{Answer : Number of \$45 shares} =120

\text{Number of \$25 shares }\\\\= 3\times 120-5\\\\=360-5\\\\=\$355

Explanation:

Let Number of $45 shares be x

Let number of $ 25 shares be 3x-25

According to question,

x+3x-5=475\\\\4x-5=475\\\\4x=475+5\\\\4x=480\\\\x=\frac{480}{4}\\\\x=120

So,

\text{Number of \$45 shares} =120

\text{Number of \$25 shares }\\\\= 3\times 120-5\\\\=360-5\\\\=\$355


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3 years ago
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7 Find the slope of the line that passes
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Answer:

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Once you do that you get b=7.2

So now with m=1.6 and b=7.2, you can finally make the equation.

y=1.6x+7.2

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