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Lilit [14]
3 years ago
9

I need help plz I’m confused will mark as Brainliest

Mathematics
1 answer:
Luden [163]3 years ago
3 0

Answer:

64π

Step-by-step explanation:

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Answer:2h

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3 years ago
What is the value of m in the equation 5m − 7 = 6m + 11?<br><br> A.18<br> B. 1<br> C. −18<br> D.−1
adoni [48]
Hello there ^ _ ^

5m - 7 = 6m + 11
Solve for M
5m - 6m = 11+ 7
-m = 18
Divide both sides by -1
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Good luck!
6 0
3 years ago
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All of the following are rational except _____. - 3.14159... 0
sergejj [24]

Answer:

All of the following are rational except 3.14159...

Step-by-step explanation:

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In a sale, the cost of a coat is reduced from 85 to 67.5
IgorC [24]

Answer:

I’m assuming you’re talking about what percentage was taken off, so in that case the answer would be approximately 20.6%

Step-by-step explanation:
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5 0
1 year ago
Solve -3x2 + 30x - 90 = 0.
FrozenT [24]
-3x^{2}+30x-90=0 \\  \\ x^{2}-10x+30=0 \\  \\ \Delta=(-10)^{2}-4*1*30=100-20=-20 \\  \\  \sqrt{\Delta}= \sqrt{-20}=i \sqrt{20}   =2i \sqrt{5}  \\  \\ x_{1}= \frac{10-2i \sqrt{5} }{2} = 5-i \sqrt{5}   \\  \\ x_{2}= \frac{10+2i \sqrt{5} }{2} = 5+i \sqrt{5}
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3 years ago
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