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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!!!!!!!!!!!!!!

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.

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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

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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

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4 years ago