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nata0808 [166]
3 years ago
11

AB and BC are tangents to P. what is the value of x? this is really so confusing

Mathematics
1 answer:
Westkost [7]3 years ago
4 0
1. Angle PAB is 90 degrees, as it is formed from the tanget to the circle at A, and the radius drawn to A. 

2. AB=BC, because tangents drawn to a circle from the same point are equal.

3. PB is Common, so by the side-side-side congruence postulate, triangles ABP and CBP are congruent. 

4. So measure of m(BPA)=x/2 and m(ABP)=73/2.

5. \frac{x}{2}+90+ \frac{73}{2}=180

\frac{x+73}{2}=90

x+73=180, x= 107 degrees.

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V125BC [204]

Answer:

3. 2x + y = −1

Step-by-step explanation:

To find the equation of the line, we write it first in the slope-intercept form:

y=mx+q

where

m is the slope

q is the y-intercept

From the graph, we see that the line crosses the y-axis at y = -1, so the y-intercept is -1:

q=-1

Now we have to find the slope, by calculating the rate of change of the line through 2 points:

m=\frac{y_2-y_1}{x_2-x_1}

Taking the two points at (-2,3) and (1,-3), we find:

m=\frac{-3-3}{1-(-2)}=\frac{-6}{3}=-2

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y=-2x-1

Now we have to re-arrange it in the standard form, so in the form

ax+bx=c

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6 0
3 years ago
PLZZZZ ANSWER THIS..
slamgirl [31]

Answer:

In 3 - 5:  

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In 5 - 3:

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Step-by-step explanation:

Category : 3 - 5

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-5 + 3 = -2

Category : 5 - 3

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If my answer is incorrect, pls correct me!

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Step2247 [10]

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Step-by-step explanation:

5÷3 1/3

5/1 ÷ 10/3 because you have to get it into an improper fraction form in order to divide

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