Recall the secant-tangent theorem, and you have
EA^2 = EC*CD
12^2 = 8*(x+10)
and now ED = EC+CD = 8+x+10
I suspect a typo somewhere in the murk above
Answer:
3.75
Step-by-step explanation:
3.75 you couldve used calculator :/
(3n)-2=5
Move all numbers without a variable to the right side of the equation
3n=7
Divide 7 by 3
n=2.333
8,000,000- standard form
hey here is a quick tip:
Standard form means- like yu know regular numbers in numbers, if you get it
Expanded form its likeexample890: 800+90+0 that is quick exam-ple(: