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Novay_Z [31]
3 years ago
8

2−2n=3n+17 whats the solution

Mathematics
1 answer:
Kazeer [188]3 years ago
7 0
2-2n=3n+17
2= 5n+17
0= 5n+15
-15= 5n
-3= n
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Solve this equation:<br><br> α ÷ 6 + 4 = 16
Ilia_Sergeevich [38]
\alpha \div 6 + 4=  16\\\\Subtract ~4~on~both~sides\\\\ \alpha \div 6 +4 -4 = 16 -4\\\\ \alpha \div 6 = 16 - 4\\\\ \alpha \div 6 = 12\\\\Multiply~both~sides~by~6\\\\a \div 6\times 6 = 12\times 6\\\\ \alpha = 12\times 6 \\\\ \boxed{\bf{\alpha = 72}}

Your final answer is alpha = 72.
5 0
3 years ago
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Help? 2/7 done! We got this! I tried myself and I got a decimal ‍♀️
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4 0
3 years ago
-16t squared + 16t + 480 t=time after jumping in seconds h=height in feet How many seconds did did it take her to hit the water
Agata [3.3K]
That is height
h=16t^2+16t+480
when h=0 is when it hits the water

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undistribbute 16 for ease
0=16(t^2+t+30)
16*0=0 so assume
t^2+t+30=0
factor
(t+6)(t-5)=0
set to zero

t+6=0
minus 6
t=-6
false, since you cannot have negative time

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add 5
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How do you write 281% as a decimal
VMariaS [17]
I think it would be 28100% i might be wrong
5 0
3 years ago
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Solve for x.<br><br> −(−2−5x)+(−2)=18<br><br><br> x=−90<br><br> x=−185<br><br> x=185<br><br> x = 90
Shtirlitz [24]
-(-2-5x)+(-2)=18
2+5x-2=18
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3 years ago
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