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sergiy2304 [10]
3 years ago
5

What is the measure of ∠ABC ?

Mathematics
2 answers:
PtichkaEL [24]3 years ago
7 0

Answer:

m∠ACB = 32°

Step-by-step explanation:

It is given in the question that AC is tangent on a circle at A.

m∠ACB = 58° then we have to tell the measurement of ∠ABC.

In ΔABC, ∠BAC = 90° (since radius of a circle is always ⊥ to the tangent drawn)

Therefore in ΔABC

∠ABC + ∠BAC + ∠ACB = 180°

∠ACB + 90 + 58 = 180

∠ACB = 180 - (90 + 58) = 180 - 148 = 32°

Finally m∠ ACB = 32° is the answer.

il63 [147K]3 years ago
5 0
I think the answer is 32 degrees but i am not 100% sure
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Classrooms on one side of the science building are all numbered with consecutive odd integers. If the first​ room, the room with
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Answer:

The sum of the first five classroom numbers in a row is 5k + 20

Step-by-step explanation:

Since the smallest classroom​ number on the side of the building is numbered k​ and each consecutive odd integer is separated by a difference of  

2.

Therefore:  

k is the first class room.

k +  2  is the second class room.

k +  4  is the third class room.

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The sum of the five consecutive class rooms are given as:

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8 0
3 years ago
John's current salary is 40000 per year.His annual pay raise is always a percent of his salary.What would his salary be if he re
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Answer:

The salary after four consecutive increase = $ 46794.34

Step-by-step explanation:

According to question,

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3 0
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tatyana61 [14]

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C

Step-by-step explanation:

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