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yuradex [85]
3 years ago
6

Express 3a^2 b^ -1 with positive exponents

Mathematics
2 answers:
Brums [2.3K]3 years ago
8 0
<span>3a^2 b^ -1 
= 3a^2b

hope it helps</span>
choli [55]3 years ago
5 0

Answer: Simplified form in positive exponents is \dfrac{3a^2}{b}

Step-by-step explanation:

Since we have given that

3a^2b^{-1}

We need to write with positive exponents:

As we know that

a^{-1}=\dfrac{1}{a}

So, it becomes,

3a^2b^{-1}=\dfrac{3a^2}{b}

Hence, simplified form in positive exponents is \dfrac{3a^2}{b}

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Answer:

  • 116°

Step-by-step explanation:

Angles 1 and 3 are same as vertical pair, they are also same with angles 5 and 7 for same reason.

<u>Angle 8 is supplementary with angle 5, so:</u>

m∠1 = m∠3 = m∠5 = 180° - 64° = 116°

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3 years ago
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Sphinxa [80]
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V125BC [204]
The answer is 573

S is the three digit number.
h - a number of hundreds
t - a number of tens
o - a number of ones

S = 100h + 10t + o

<span>The last two digits add to make ten: t + o = 10
</span><span>The first and last digits add to make eight: h + o = 8
</span><span>The first two digits add to make twelve: h + t = 12

</span>t + o = 10          ⇒ o = 10 - t
h + o = 8           ⇒ o = 8 - h
_______
10 - t = 8 - h
h + t = 12          ⇒ h = 12 - t
_______
10 - t = 8 - (12 - t)
10 - t = 8 - 12 + t
10 - t = -4 + t
10 + 4 = t + t
2t = 14
t = 14/2 = 7
______

h = 12 - t = 12 - 7 = 5
______

o = 8 - h = 8 - 5 = 3

S =  100h + 10t + o
h = 5
t = 7
o = 3

S = 100*5 + 10*7 + 3
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8 0
3 years ago
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