Answer:
14: 1
Step-by-step explanation:
<em>Cross multiply:</em>
3(2a -3b)= 5(a +b)
<em>Expand:</em>
6a -9b= 5a +5b
<em>Move all a terms to one side, b terms to the other:</em>
6a -5a= 9b +5b
<em>Simplify:</em>
a= 14b
<em>Divide by b on both sides:</em>
<em>Rewriting 14 as a fraction:</em>
∴ a: b= 14: 1
Answer: Center: (0, 2) Radius: 2
I hope this helps! :)
<em>Greetings from Brasil...</em>
Here's our problem:
From potentiation properties:
Mᵃ ÷ Mᵇ = Mᵃ⁻ᵇ
<em>division of power of the same base: I repeat the base and subtract the exponents</em>
<em />
So, in our problem
= 12³ ÷ 12⁷
12³ ÷ 12⁴ = 12³⁻⁷
12⁻⁴
We also know about another property: P⁻ⁿ = (1/Pⁿ) so
12⁻⁴ = (1/12⁴)
I don't think so. The tv is till 96 inches tall....
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