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dexar [7]
3 years ago
5

5+

4x" alt="\sqrt{16x^{2} -37x-2 }=4x" align="absmiddle" class="latex-formula">

solve for me plz with explanation
Mathematics
1 answer:
bonufazy [111]3 years ago
4 0

Answer:

Step-by-step explanation:

\sqrt{16x^2-37x-2} =4x-5\\squaring~ both~sides\\16x^2-37x-2=16x^2-40x+25 ~[(a-b)^2=a^2-2ab+b^2]\\16x^2-37x-2-16x^2+40x-25=0\\3x-27=0\\3(x-9)=0\\x-9=0\\x=9

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First you need to find out about how many people went on the roller coaster in one hour by doing 360 divided by 3 and you would get 120. So then you would try to find out how many people went on the coaster in 7 hours by doing 360 times 2 because 3 hours multiplied by 2 is 6 and you would do that to find out how many people went on the coaster in 6 hours, and you would get 720. Next, you have 1 more round of people, so you need to do 720 + 120 which is 840. So about 840 people rode the coaster in 7 hours. Hope this helped.
6 0
3 years ago
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7 0
3 years ago
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Mars2501 [29]

Answer:

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Step-by-step explanation:

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-2x + 4 = 14 show all work
umka21 [38]

Answer:

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Step-by-step explanation:

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