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FinnZ [79.3K]
2 years ago
7

Given:circle O, with tangent segments AC and AB . What is the measure of angle A

Mathematics
1 answer:
tino4ka555 [31]2 years ago
3 0

Answer:

B 84

Step-by-step explanation:

Angle COB = 96 (Angle CDB x2)

Lets split Quadrileteral ABOC into 2 equal parts.

Angle ABO = 90 (tangent segment of circle)

Angle AOB = 96/2 = 48

Angle OAB = 180 - 90 - 48 = 42

Angle A = Angle OAB x 2 = 42 x 2 = 84

Therefore Answer is B.

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sweet [91]
11/14 simplified:


11/14
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3 years ago
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Diane deposits $7000 into an account that pays simple interest at a rate of 6% per year. How much interest will she be paid in t
Mars2501 [29]

Answer:

1,260

Step-by-step explanation:

6x3=18 7000÷18=1,260

8 0
3 years ago
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At Brighton Middle School, Mr. Yule asked 50 randomly selected students from each grade level about their favorite subject, and
Ugo [173]

Answer:

Yes, he made a reasonable inference by saying about 25 percent of students choose the science.

Step-by-step explanation:

Given that

Number of students for survey = 50

Number of students who choose science = 12

Now

Percentage of student who choose science = \frac{12}{50} x 100

Percentage of student who choose science = \frac{12*100}{50}

Percentage of student who choose science = 24 %

Now as Mr. Yule said "about 25" percent of students choose the science it can be treated as reasonable approximation.

Now if the number of students in survey become 200, then we can expect 12 out of every 50 students would choose the science. So, in total 48 students would choose the science.

Now lets calculate the percentage of students who choose science.

Percentage of student who choose science = \frac{48}{200} x 100

Percentage of student who choose science = \frac{48*100}{200}

Percentage of student who choose science = 24 %



7 0
3 years ago
Read 2 more answers
Help please !!!!!!!!!
madam [21]

Answer:

a=200;110;101andb=decreasing

Step-by-step explanation:

a.(100×10+1000)/10=200

(100×100+1000)/100=110

(100×1000+1000)/1000=101

8 0
2 years ago
Car A travels 115 miles on 5 gallons of gas. Car B travels 126 miles on 6 gallons of gas. How can you find which car gets better
svp [43]

Answer:

miles divided by gallons

car A= 115÷5=23 miles per gallon

car B= 126÷6=21 miles per gallon

Car A gets better gas mileage.

6 0
2 years ago
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