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PSYCHO15rus [73]
3 years ago
12

HELP ASAP Please!!!

Mathematics
2 answers:
Nookie1986 [14]3 years ago
5 0
True I think I could be wrong gotta get these points
lutik1710 [3]3 years ago
4 0

i pretty sure its false i could be wrong but i think its false


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AB is diameter. <br><br> ( I need help asap it’s due at 11:59 pm)
Vesna [10]

Answer:

Arc AB= 180 degrees

Arc BC= 15 degrees

Arc CA= 165 degrees

Step-by-step explanation:

In order to find the measure of each arc, start by recognizing that a circle equals 360 degrees, and the measure angle of the diameter of this circle is equal to half of 360 degrees, which is 180 degrees.

Since segment AB is the diameter of the circle, it will equal 180 degrees. Thus, causing arc AB equal to 180 degrees.

Next, arc BC equals 15 degrees because the measure of angle BOC is equal to the measure of arc BC.  

Then, to find the measure of arc CA, use the diameter of the circle, which is segment AB. Segment AB is equal to 180 degrees, which makes arc AB equal to 180 degrees. Also known is the measure of arc BC, which is 15 degrees. To find the measure of arc CA, subtract the measure of arc BC from the measure of arc AB, and the answer will be 165 degrees.

This looks like 180 degrees - 15 degrees = 165 degrees.

To check if the arc measures are correct, add all the arc measures together. If they sum up to 360 degrees, then the measure of each arc is correct.

7 0
2 years ago
Question 3 (1 point)<br> Find the value of x for the right triangle.<br> 15<br> 30°<br> Х
Marina86 [1]

Answer:

x = 8.7

Step-by-step explanation:

Reference angle = 30°

Opposite side length = x

Adjacent side length = 15

Apply trigonometric function, TOA:

Tan 30° = Opp/Adj

Plug in the values

Tan 30° = x/15

Multiply both sides by 15

15*Tan 30° = x

8.66025404 = x

x = 8.7 (nearest tenth)

6 0
2 years ago
What is 1+1 pls help
Ulleksa [173]

Answer:

2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
colleen truman earns aa 4.5% commission on all sales. in june, her sales totaled $40,000. how much did she earn in commission?
prisoha [69]
She earned 1,800$ in commission. Total=40,000$ multiply by the percentage which is 4.5% = 0.045
40,000 x 0.045=1,800$
8 0
3 years ago
Read 2 more answers
Suppose the time to complete a 200-meter backstroke swim for female competitive swimmers is normally distributed with a mean μ =
Natali [406]
Answer: The proportion that will qualify is 0.0314 or 3.14%.

First, we need to find the z-score of a time of 128 seconds. To do this, we find the difference of the mean and score and divide by the standard deviation.

(128 - 141) / 7 = -1.86

Now, use a standard normal distribution table to determine the percent below a z-score of -1.86. That value is 0.0314 or 3.14%.
6 0
3 years ago
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