2 years ago

What’s nine plus ten?

Mathematics

2 answers:

Elan Coil [88]2 years ago

4 0

Answer:

ummmmmmmmmmmmmmmmm 19?

Step-by-step explanation:

qaws [65]2 years ago

3 0

Answer: 19

*The joke is 21 lol!*

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viktelen [127]

Well set it up first. You get: 8.2-(-3.5) so what you do is that you first subtract 8.2-3.5=4.7. Then you want to find out weather it is negative or positive. First point out which one is bigger in this case 8.2 is bigger and a positive so your answer would be positive. Answer: +8.2 or 8.2

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Triangle ABC is an isosceles triangle. Sides AB and BC are congruent.

RideAnS [48]

Here you go! hope this helps!

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2 years ago

In the above figure (not drawn to scale), Find ∠AEC.

n200080 [17]

Answer:

C. 75°

Step-by-step explanation:

We have been given a circle and we are asked to find the measure of angle AEC.

We will use Intersecting chords theorem to find the measure of angle AEC, which states that measure of angle formed inside a circle by two intersecting chords is one half the sum of the measure of the arcs intercepted by the angle and its vertical angle.

We can see that measure of arc AC is 110 degrees and measure of its vertical arc BD is 40 degrees.

$m\angle AEC=\frac{110^o+40^o}{2}$