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Goryan [66]
3 years ago
12

NEED HELP PLEASE don't know how to solve

Mathematics
1 answer:
amid [387]3 years ago
3 0
The angle formed by the intersection of tangent and secant outside the circle equals half the difference of the <span>intercepted arcs.

</span>\frac{10x+20-80}{2}=2x+15 \\ 10x-60=2(2x+15) \\ 10x-60= 4x+30 \\ 10x-4x=30+60 \\ 6x=90 \\ x=90/6 \\ x=15<span>
</span>
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Find the slope of the line through each pair of points. (11, 1) (-7, 18)
Sonbull [250]

\bf (\stackrel{x_1}{11}~,~\stackrel{y_1}{1})\qquad (\stackrel{x_2}{-7}~,~\stackrel{y_2}{18}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{18-1}{-7-11}\implies \cfrac{17}{-18}

3 0
3 years ago
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I need help with this 2 please
xeze [42]

Answer:

D

Step-by-step explanation:

The formula for C is

C=2πr (using 3.14 as pi)

so C=2(3.14)(45)

so C=90(3.14)

so C≈282.6 or D

7 0
3 years ago
Please help me solve for x
kkurt [141]

\qquad \qquad\huge \underline{\boxed{\sf Answer}}

The shown pair of angles are Co interior angle pair, therefore the sum of those angles is 180°

\qquad \sf  \dashrightarrow \: 130 \degree + 7x + 1 \degree = 180 \degree

\qquad \sf  \dashrightarrow \: 131 \degree + 7x = 180 \degree

\qquad \sf  \dashrightarrow \:  7x= 180 \degree - 131 \degree

\qquad \sf  \dashrightarrow \:  7x= 49 \degree

\qquad \sf  \dashrightarrow \:  x=49 \degree \div 7

\qquad \sf  \dashrightarrow \:  x=7 \degree

The required value of x is 7°

3 0
2 years ago
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Find the opposite of -16​
ryzh [129]

Answer:

please give me brainlest

Step-by-step explanation:

16 is the answers for the question

5 0
2 years ago
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The table shows sales data for two sales people at a car dealership. Use rates to compare the performances of the salespeople.
Gennadij [26K]

Answer:

sorry to my answer i need a point and i ask a question Sorry :(

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3 years ago
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