2 years ago

Ray BD bisects ∠ABC so that m∠ABD = 5y – 3 and m∠CBD = 2y +12. Find the value of y.

Mathematics

1 answer:

myrzilka [38]2 years ago

8 0

keeping in mind that an angle bisector cuts an angle into two equal angular halves.

check the picture below

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marusya05 [52]

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Step-by-step explanation:

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2 years ago

What value of x is in the solution set of 3(x-4) > 5x +2 -10 -5 5 10

ArbitrLikvidat [17]

Answer:

-10

Step-by-step explanation:

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2 years ago

For the love of God help me !! I'm desperate for it tomorrow

USPshnik [31]

$D:5x-2>0 \wedge x>0 \wedge x-1>0\\D:5x>2 \wedge x>0 \wedge x>1\\D: x>\frac{2}{5} \wedge x>1\\D:x>1\\\log_2(5x-2)-\log_2x-\log_2(x-1)=2\\\log_2\frac{5x-2}{x(x-1)}=\log_24\\\frac{5x-2}{x(x-1)}=4\\4x(x-1)=5x-2\\4x^2-4x=5x-2\\4x^2-9x+2=0\\4x^2-x-8x+2=0\\x(4x-1)-2(4x-1)=0\\(x-2)(4x-1)=0\\x=2 \vee x=\frac{1}{4}\\\frac{1}{4}\not \in D \Rightarrow \boxed{x=2}$