If the length of line AC equals 24 what is the length of the mid segment lineDE

Mathematics

2 answers:

Nadusha1986 [10]2 years ago

7 0

Answer:

D, 12 is half of 24, and when you put DE to it, it's a little longer than half of 24. So it has to be 18.

Step-by-step explanation:

Kazeer [188]2 years ago

6 0

Answer:

D, 12 is half of 24, and when you put DE to it, it's a little longer than half of 24. So it has to be 18.

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Step-by-step explanation:

$16y^2-25=0\\\\METHOD\ 1:\\\text{use}\ a^2-b^2=(a-b)(a+b)\\\\16=4^2\ \text{and}\ 25=5^2\ \text{therefore we have}\\\\4^2y^2-5^2=0\\\\(4y)^2-5^2=0\\\\(4y-5)(4y+5)+0\iff4y-5=0\ \vee\ 4y+5=0\\\\4y-5=0\qquad\text{add 5 to both sides}\\4y=5\qquad\text{divide both sides by 4}\\\boxed{y=\dfrac{5}{4}}\\\\4y+5=0\qquad\text{subtract 5 from both sides}\\4y=-5\qquad\text{divide both sides by 4}\\\boxed{x=-\dfrac{5}{4}}$

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