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FromTheMoon [43]
3 years ago
14

Please help!! :) Please show all work. 3y^3/4-1=80

Mathematics
2 answers:
Vsevolod [243]3 years ago
8 0
3y^3/4-1=80
y^3=80
y=4√5
kvv77 [185]3 years ago
6 0
<span><span><span><span>3<span>y3</span></span>4</span>−1</span>=80</span><span><span><span><span>
34</span><span>y3</span></span>−1</span>=80</span>
<span><span><span><span><span>34</span><span>y3</span></span>−1</span>+1</span>=<span>80+1</span></span><span><span><span>
34</span><span>y3</span></span>=81</span>.<span><span><span><span>
34</span><span>y3</span></span><span>34</span></span>=<span>81<span>34</span></span></span><span><span>
y3</span>=108</span>
y=(108)(13)
<span>
y=4.762203</span>
<span>y=<span>4.762203

Hoped I helped!</span></span>
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1. expand using place value.

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