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Softa [21]
2 years ago
6

If mÃc=170° Find mLB

Mathematics
1 answer:
kenny6666 [7]2 years ago
8 0

Answer:

∠ B = 85°

Step-by-step explanation:

the inscribed angle B is half the measure of its intercepted arc AC , then

∠ B = \frac{1}{2} × 170° = 85°

You might be interested in
Which equation has roots of 3plus or minus sqare rt 2?
vichka [17]

Answer:

Option D is correct.

The equation with roots 3 plus or minus square root 2 is x² - 6x + 7

Step-by-step explanation:

The roots of the unknown equation are

3 ± √2, that is, (3 + √2) and (3 - √2)

The equation can then be reconstructed by writing these roots as the solutions of the quadratic equation

x = (3 + √2) or x = (3 - √2)

The equation is this

[x - (3 + √2)] × [x - (3 - √2)]

(x - 3 - √2) × (x - 3 + √2)

x(x - 3 + √2) - 3(x - 3 + √2) - √2(x - 3 + √2)

= x² - 3x + x√2 - 3x + 9 - 3√2 - x√2 + 3√2 - 2

Collecting like terms

= x² - 3x - 3x + x√2 - x√2 - 3√2 + 3√2 + 9 - 2

= x² - 6x + 7

Hope this Helps!!!

6 0
3 years ago
HELP ! ASAP !!!!!!!!!! 20 POINTSSSS
Alex
B is the answer
I think
7 0
3 years ago
Read 2 more answers
8x-2(x+1)=2(3x-1)<br> A. 0<br> b.2<br> C.no solution <br> D.identity
fomenos

8x - 2x(x+1) = 2(3x-1)

First, expand to remove parenthesis. / Your problem should look like:

8x - 2x - 2 = 6x - 2

Second, subtract 8x - 2x -2 to get 6x - 2. / Your problem should look like:

6x - 2 = 6x - 2

Third, both sides are equal, so there are infinite solutions. The equation is always true, meaning identity


Answer: Infinite solutions


Shoutout to: @Exvited



live





7 0
3 years ago
Now factor the expression. 1/2 a + 6
Sophie [7]

Answer:

1a+12/2

Step-by-step explanation:

1/2a+6

1/2a+6/1

1/2a+6/1*2

1/2a+12

1a+12/2

3 0
3 years ago
PLEASE HELP ITS URGENT DONT GUESS (also if you get it right ill mark you as brainliest)
My name is Ann [436]

Answer:

25.12 is the Circumference Area is 50.24

Step-by-step explanation:

Area is cm2 Circumference is cm

4 0
2 years ago
Read 2 more answers
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