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Mariulka [41]
3 years ago
13

What is the measure of arc BEC in circle D?

Mathematics
2 answers:
Fiesta28 [93]3 years ago
6 0

Answer:

\text{Arc BEC}=134^o

Step-by-step explanation:

We have been given an image of a circle and we are asked to find the measure of arc BEC.

We can see that angle ABC is inscribed angle and measure of an inscribed angle is one half the measure of its subtended arc.

\text{Measure of arc AC}=2\times m\angle ABC

\text{Measure of arc AC}=2\times 75^o

\text{Measure of arc AC}=150^o

Since we know that the circumference of a 360 degree, so we can set an equation to find the measure of arc BEC as:

\text{Arc BEC+ Arc AB + Arc AC}=360^o

\text{Arc BEC}+76^o+150^o=360^o

\text{Arc BEC}+226^o=360^o

\text{Arc BEC}+226^o-226^o=360^o-226^o

\text{Arc BEC}=134^o

Therefore, the measure of arc BEC is 134 degrees.

MrRissso [65]3 years ago
3 0
134 degrees..........
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Two polygons are similar. What is the correct similarity statement?<br>​
joja [24]

Answer:

option 3

Step-by-step explanation:

Given the 2 triangles are similar then corresponding angles are congruent.

Calculate the missing angles in both triangles.

∠ A = 180° - (90 + 35)° = 180° - 125° = 55°

∠ L = 180° - (90 + 55)° = 180° - 145° = 35°

Consider ACB ~ MNL , comparing corresponding angles

∠ A= 55° and ∠ M = 90° ← not congruent

Consider ABC ~ LMN, comparing corresponding angles

∠ A = 55° and ∠ L = 35° ← not congruent

Consider CBA ~ LMN , comparing corresponding angles

∠ C = 35° and ∠ L = 35° ← congruent

∠ B = 90° and ∠ M = 90° ← congruent

∠ A = 55° and ∠ N = 55° ← congruent

The correct similarity statement is

CBA ~ LMN

6 0
3 years ago
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Plz, help me if u cant answer both could you just answer one of them for me.
labwork [276]

Answer:

for 2. I don't think it can be a triangle

3 0
3 years ago
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15 pts!!!<br><br> solve for n.<br><br> −1/2n = 1/3 + 5/8
Nimfa-mama [501]
The answer is - 1 and 11/12.
5 0
3 years ago
PLEASE HELP 70 POINTS
AlexFokin [52]

Answer:

-1 = -5

0 = -1

2 =  5

Step-by-step explanation:

In order to do this you need to follow these five (5) steps:

1) Know what each of the variables mean in an equation of a line. The equation of a line is y = mx + b where y = y-coordinate, m = slope, x = x-coordinate, and b = y-intercept. (Remember that the slope is the steepness  of a line and the y-intercept is the point where the line intersects  the y-axis. The x- and y-coordinates are values of the points on the line of y = 3x - 1.)

2) Identify the m (slope) and the b (y-intercept). The slope is 3, which can also be written as 3/1. The y-intercept is -1. (Remember that subtraction of 1 is the SAME thing as adding -1!) Since the y-intercept is a point it will be plotted at (0, -1).

3) Plot the y-intercept first. Start at the origin (intersection of the x- and y-axes) since the x coordinate is 0. Then move DOWN 1 unit since the y-coordinate is negative.

4) Use the m (slope) to plot at least three new points. The slope can also be represented as "rise/run" or the amount of units that you move UP or DOWN (vertically), then LEFT or RIGHT (horizontally). (Remember: if the numerator is positive (move UP); numerator is negative (move DOWN); denominator is POSITIVE (move RIGHT); denominator is NEGATIVE (move LEFT)). Since our slope is 3/1, and both the numerator and denominator are POSITIVE, that means we will be "rising" (moving UP) 3 units and "running" (moving RIGHT) 1 unit.

Start at the y-intercept  of (0, -1) and move up 3 units and to the right 1 unit. You should be at (1, 2). Plot a point here. Then do it again. You should now be at (2, 5). Plot another point. Now, do it one more time. You should now be at (3, 8). Plot your last point. (If you wish to continue plotting additional points, feel free to do so.)

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3 years ago
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Lim (x^3-8)/(x)<br>x-2 ​
leonid [27]
Here you go!!! Hope this helps

3 0
3 years ago
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