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3 years ago

In a triangle, two of the angles measure 57° and 63°. Find the measure of the third angle

Mathematics

2 answers:

velikii [3]3 years ago

3 0

60 degrees is the third angle

Dennis_Churaev [7]3 years ago

3 0

57 +63 = 120 so 180 -120 = 60 result the third angle has a measure of 60 degrees

hope this will help you

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Nuetrik [128]

Answer:

Step-by-step explanation:

Since point B is located between A and C

then

AB + BC = AC

or, 3x-16 + 4x-8 = 60

or, 7x = 60 + 24

or, 7x = 84

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3 years ago

Use the Law of Cosines to find the specified missing value. Approximate your answer to the nearest tenth.

Charra [1.4K]

<h3>Answer: 176.6</h3>

Work Shown:

$b^2 = a^2 + c^2 - 2*a*c*\cos(B)\\\\b^2 = 150^2 + 30^2 - 2*150*30*\cos(150)\\\\b^2 \approx 31194.22863406\\\\b \approx \sqrt{31194.22863406}\\\\b \approx 176.618879608211\\\\b \approx 176.6\\\\$

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2 years ago

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12x^8 multiply the leading terms (2and 6) then add exponents (5and3)

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3 years ago

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Free_Kalibri [48]

$( \frac{f}{g} )(x) = \frac{4 {x}^{2} + 19x - 5}{4 {x}^{2} - x} = \frac{(4x - 1)(x + 5)}{x(4x - 1)} = \frac{x + 5}{x}$

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3 years ago

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Color blindness is an inherited characteristic that is more common in males than females. Let F represent female, and C represen

malfutka [58]

Answer:

0.513 = 51.3% probability of being a female.

Step-by-step explanation:

We are given the following formula:

$P(F \cup C) = P(F) + P(C) - P(F \cap C)$

In which:

Event F: Female

Event C: Red-green color blindness.

Probability of a Female

We have to find P(F), which is given by:

$P(F) = P(F \cup C) + P(F \cap C) - P(C)$

We are given by:

$P(C) = 0.039, P(F \cap C) = 0.004, P(F \cup C) = 0.548$

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0.513 = 51.3% probability of being a female.

5 0

3 years ago