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Alona [7]
3 years ago
6

Assume that lines that appear to be tangent are tangent. O is the center of the circle. In degrees, what is the value of x?

Mathematics
1 answer:
Nastasia [14]3 years ago
4 0

9514 1404 393

Answer:

  145

Step-by-step explanation:

In this geometry, the central angle (x°) and the external angle (35°) are supplementary.

  x° = 180° -35°

  x = 145

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Eleanor can drive an average of 374 miles on one tank of gas. How many miles can she drive on 15 tanks of gas?
lidiya [134]
Well you would just multiply 374 by 15 and that would be your answer
8 0
3 years ago
Read 2 more answers
Substitute<br>x+y =200<br>9.5x+27y=4000​
Vera_Pavlovna [14]
Point form: (80,120)
X=80, Y=120
3 0
3 years ago
Equation of the line contains the points (-3,2) and (5,-5)
makkiz [27]

For this case we have that by definition, the equation of the line of the slope-intersection form is given by:

y = mx + b

Where:

m: It is the slope of the line

b: It is the cut-off point with the y axis

We have the following points through which the line passes:

(x_ {1}, y_ {1}): (- 3,2)\\(x_ {2}, y_ {2}) :( 5, -5)

So the slope is:

m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}} = \frac {-5-2} {5 - (- 3)} = \frac {-7} {5 + 3} = - \frac {7} {8}

Thus, the equation of the line is of the form:

y = - \frac {7} {8} x + b

We substitute one of the points and find "b":

2 = - \frac {7} {8} (- 3) + b\\2 = \frac {21} {8} + b\\b = 2- \frac {21} {8}\\b = \frac {16-21} {8}\\b = - \frac {5} {8}

Finally, the equation is:

y = - \frac {7} {8} x- \frac {5} {8}

Answer:

y = - \frac {7} {8} x- \frac {5} {8}

6 0
3 years ago
Solve the proportion.
Lostsunrise [7]

Answer:

r = 9

Step-by-step explanation:

cross multiply

9 * r = 81

9r = 81

divide both sides by 9

r= 81/9

r = 9

8 0
3 years ago
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