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yKpoI14uk [10]
3 years ago
7

PLZ HELP ME!!!! THIS IS TIMED!!!! DO NOT ANSWER IF YOU DO NOT KNOW HOW TO SOLVE THIS!!! I WILL MARK THE BRAINIEST IF THE ANSWER

IS CORRECT!!!!!!!!!!!!!!

Mathematics
2 answers:
VikaD [51]3 years ago
7 0
73 percent probability
mihalych1998 [28]3 years ago
4 0
73 percent is your answer
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Determine if line AB is tangent to the circle. Type
adoni [48]

Answer:

If AB is a tangent to the circle, the triangle ABO is right angled, as the angle where a tangent meets the circumference is always 90 degrees.

We also know that Pythogoras' theorem only holds for right angled triangles.

The hypotenuse is 12 + 8 as 12 is the radius so is 20.

16^2+12^2 = 256 + 144 = 400 = 20^2 so AB must be tangent.

6 0
3 years ago
Y=x-3 and y=-3x+25 in substitution form
Vlad1618 [11]
(x-3)=-3x+25

Because we know that y=x-3 so we put that in place of y in the equation
8 0
3 years ago
HELP pleaseee ASAP I’m stuck
Blizzard [7]

Step-by-step explanation:

using trig, tangent is equal to opposite over adjacent.

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thus tan 45° = 7/a

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3 years ago
Factor (difference of squares) the binomial 25x^2-4 and find one of its factors
Lunna [17]

Step-by-step explanation:

Hey, there!

Here,

Given that:

= 25 {x}^{2}  - 4

we need to find factor,

As it is in a^2-b^2 form as per its factor (a+b) (a-b), keeping same formula here,

25x^2 means (5x)^2

and 4 means 2^2

Now, it would be,

= ( {5x)}^{2}  -  {2}^{2}

= (5x + 2)(5x - 2)

Therefore, it's factor would be (5x+2)(5x-2).

<em><u>Hope it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

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4 years ago
Average of 766 and 878
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