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aniked [119]
3 years ago
8

Find the length of the diameter of circle O. Round to the nearest tenth.

Mathematics
1 answer:
timama [110]3 years ago
8 0

Answer:

Diameter = 19.33

Step-by-step explanation:

Imaging a radius line from O to the endpoints of the 7. call this line R.

Label the part of the vertical line from O to the 90 degree intersection y.

Now you have a right triangle.

Using the Pythagorean theorem:

R² = 7² + y²

also

y = R - 3

substitute for y:

R² = 49 + (R-3)²

R² = 49 + R² - 6R + 9

simplify:

0 = 58 - 6R

6R = 58

R = 9.6667

Diameter = 2(9.6667) = 19.33

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Gnom [1K]

Answer:

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3 0
2 years ago
Find all angles and pls show steps ​
Ghella [55]

Answer:

Both angles have a measure of 134degrees, y = 27degrees.

Step-by-step explanation:

As per what is given in the problem:

There are 2 parallel lines, both are intersected by a transversal.

Remember the theorem, when two parallel lines are intersected by a transversal, then the alternate exterior angles are congruent.

The is meanse that:

3y + 53 = 7y - 55

Solve using inverse operations:

3y + 53 = 7y - 55

     +55         +55

3y + 108 = 7y

-3y            -3y

108 = 4y

/4      /4

27 = y

Now, substitute back in to find the value of the angle:

3y + 53

y = 27

3 ( 27 ) + 53

81 + 53

= 134

Since the angles are alternate exterior, they are congruent, hence both angles have a measure of 134degrees.

7 0
3 years ago
15/3 = ?/1. what's the missing unit rate ​
tamaranim1 [39]
The unit rate is 5/1

15/3=5
3/3=1
7 0
3 years ago
Read 2 more answers
GIVING BRAINLIEST!
alexira [117]

Answer:

a= 8x+6x+48x+1

Step-by-step explanation:

Area of large rectangle is represented by a

a= 8x+6x+48x+1 - This is expanded form

Can be simplified to a= 62x+1

5 0
3 years ago
Help? :,) I know it might look easy but not for me!!
ehidna [41]
The answer is c = 11mm
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