3 years ago

Anyone good with proofs? I NEED HELP ASAP! I WILL AWARD BRAINLIEST TO CORRECT ANSWER AND 40 POINTS!

Mathematics

1 answer:

liq [111]3 years ago

3 0

2) Alternate angles
3)Vertical opposite angles
4)Alternate angles are equal

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(x÷5) + (x÷3) = 8/15 Help please!

Tamiku [17]

$x\div5=\dfrac{x}{5},\ x\div3=\dfrac{x}{3}\\\\(x\div5)+(x\div3)=\dfrac{8}{15}\\\\\dfrac{x}{5}+\dfrac{x}{3}=\dfrac{8}{15}\ \ \ \ \ |\cdot15\\\\15\cdot\dfrac{x}{5}+15\cdot\dfrac{x}{3}=15\cdot\dfrac{8}{15}\\\\3\cdot\dfrac{x}{1}+5\cdot\dfrac{x}{1}=1\cdot\dfrac{8}{1}\\\\3x+5x=8\\\\8x=8\ \ \ \ |:8\\\\\boxed{x=1}$