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GREYUIT [131]
3 years ago
11

Circle O has tangent AB and secant AC as shown. arc BC measures 4x+2-. arc BE measures 2x-10. What is the measure of arc CB

Mathematics
1 answer:
dangina [55]3 years ago
7 0

Answer:

b. 160°

Step-by-step explanation:

angle A = (far arc - near arc)/2

far arc is  arc BC and near arc is arc BE. Replacing into the equation:

∠A = (arc BC - arc BE)/2

50 = [4x + 20 - (2x - 10)]/2

50*2 = 2x + 30

x = (100 - 30)/2

x = 35°

Replacing this information into arc BC equation:

arc BC = 4(35) + 20 = 160°

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Answer:

A

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Please mark as Brainliest! :)

Have a nice day.

4 0
3 years ago
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The difference when 7 less than a number is subtracted from twice the number 12. What is that number?
Anvisha [2.4K]

Answer:

The number is 19

Step-by-step explanation:

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Subtract x from 2x

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Hope this helps :)

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3 years ago
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6 0
3 years ago
i) Baraka bought ksh.20,000 worth of shares of a company each month. During the first three months, he bought the shares at a pr
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The average price paid by him for the shares after 3 months is ksh. 163.33

<h3>Average</h3>

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400 lbs = ? Tons and 38,600 mg = ? dekagrams
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