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The following answer is correct only if b is the measure of an angle in degrees.

The complement is 90-43 = 47 degrees.

Q: What is the complement of measure b if it equals 43?

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Whatever you do to one side of the equation (equals sign), you must do to the other: 43 - b = 24 ⇒ 43 - b + b = 24 + b ⇒ 43 = 24 + b ⇒ 43 - 24 = 24 + b - 24 ⇒ 19 = b So b is 19.

(A' âˆ© B') = (A Ãˆ B)'

30 is the answer A+ student raynaray

With the information that is available from the question, it is impossible.

Since the angles are complementary, [ A + B = 90 ], so we can substitute (90-B) wherever we see 'A'.The question tells us that [ A - B = 22 ]Make the substitution for ' A ':(90 - B) - B = 2290 - 2B = 22-2B = -682B = 68B = 34A = 56

Related questions

180

b

complement of c

Whatever you do to one side of the equation (equals sign), you must do to the other: 43 - b = 24 ⇒ 43 - b + b = 24 + b ⇒ 43 = 24 + b ⇒ 43 - 24 = 24 + b - 24 ⇒ 19 = b So b is 19.

X=30 degrees

b + 17 = 43 Subtract '17' from both sides b + 17 - 17 = 43 - 17 b = 26

(A' âˆ© B') = (A Ãˆ B)'

30 is the answer A+ student raynaray

In a triangle a/SinA = b/SinB = c/SinC Since angle A = 43 and angle C is 72, angle B = (180) - (72 + 43) = 65 Hence 20/Sin65 = c/Sin72 20/0.9063 = c/0.9510 c = (20 x 0.9510)/0.9063 = 20.9864

The complement of a subset B within a set A consists of all elements of A which are not in B.

P(A given B')=[P(A)-P(AnB)]/[1-P(B)].

67 degrees