40.35 Given, m AEB = 45°
LAEC is a night angle
Prove E bisects LAEC,
Proof
We are given that mzAEB = 45and ZAEC is a right
angle. The measure of ZAEC is 90° by the definition of
a right angle. Applying the
gives IZAEB
+ m2BEC = MZAEC. Applying the substitution property
gives 45° + m_BEÇ = 90°. The subtraction property
can be used to find mæBEC = 45°so
ZBEC ZAEB because they have the same measure
Since El divides ZAEC into two congruent angles, it is
the angle bisector

49%

step-by-step explanation:

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(5x-1)^2= (5x)^2-2(5x)×1+(1)^2=25x^2-10x+1

answer

a) the midrange of the data set shown is 85.5

step by step explanation

let's find the midrange.

the midrange is nothing but add the greatest value and the least value, then divide it by 2.

here the greatest value = 99

the least value = 72

midrange = (99 + 72)/2

= 171/2

midrange = 85.5

you.