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horsena [70]
3 years ago
11

Please please help me with this math question

Mathematics
1 answer:
Andru [333]3 years ago
3 0
Part A: 1 7/9
Part B: ????
Sorry I don't get it

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BD is tangent to circle O at C, m(arc AEC) = 280, and m(arc ACE) = 140. Find m (The figure is not drawn to scale.)
Zepler [3.9K]

Answer:

The correct answer is second option 60°

Step-by-step explanation:

From the figure we can write,

measure of arc AEC = measure of arc AE + measure of CE

measure of arc ACE = measure of AC +  measure of CE

measure of arc AEC + measure of arc ACE = 280 + 140 = 420°

measure of arc AE + measure of CE + measure of AC +  measure of CE = 420

measure of arc AE + measure of CE +  measure of AC = 360°

measure of CE = 420 - 360 = 60°

The correct answer is second option 60°

8 0
3 years ago
What is the average for a half marathon time on a 35 year old man?
nevsk [136]
Average time for a 35 year old man to run half a marathon is 9:50:38
4 0
3 years ago
Ill mark you brainliest please help !
Artemon [7]

Answer: (-2, 1)

Step-by-step explanation:

3 0
3 years ago
When given an inverse variation, how do you find k?
atroni [7]

Considering an inverse proportional relationship, you find k taking a point (x,y), and multiplying the values of x and y.

<h3>What is a proportional relationship?</h3>

A proportional relationship is a function in which the output variable is given by the input variable multiplied by a constant of proportionality, that is:

y = kx

In which k is the constant of proportionality.

For an inverse relationship, the function is:

y = \frac{k}{x}.

Then:

k = xy.

Which means that to find k, you take a point (x,y), and multiply the values of x and y.

More can be learned about proportional relationships at brainly.com/question/10424180

#SPJ1

8 0
2 years ago
How do I Use the order of operations to simplify the expression. 1/3+1/5x1/9
defon

Answer:

Step-by-step explanation:

1/3+1/5×1/9 = 1/3+1/45 = 9/45+1/45 = 10/45 = 2/9

4 0
3 years ago
Read 2 more answers
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