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soldier1979 [14.2K]
3 years ago
13

Plzz im dumb i need your help

Mathematics
1 answer:
likoan [24]3 years ago
3 0

Answer:

a

Step-by-step explanation:

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What is the measure of angle C
maw [93]

Answer:

C = 77°

Step-by-step explanation:

From the intercepted arc theorem, we can say that Angle ABC (angle B) is HALF of the arc intercepted (which is 110).

Hence, angle ABC = 55.

Now, looking at triangle ABC, we know that sum of 3 angles of a triangle is 180. We already know Angle A to be 48 and Angle B to be 55, thus Angle C is:

A + B + C = 180

48 + 55 + C = 180

103 + C = 180

C = 180 - 103

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What is the final concentration if a saline solution consisting of 20% NaCl is diluted using a 1/4 solution?
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