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Tanzania [10]
3 years ago
12

Law of cosines: a2 = b2 + c2 – 2bccos(A) Which equation correctly applies the law of cosines to solve for an unknown angle measu

re?
72 = 82 + 112 – 2(8)(11)cos(N)
82 = 72 + 112 – 2(7)(11)cos(M)
72 = 82 + 112 – 2(8)(11)cos(P)
82 = 72 + 112 – 2(7)(11)cos(P)

Mathematics
2 answers:
Cloud [144]3 years ago
8 0
The law of cosines is used for calculating one side of the triangle if the angle opposite to that side is given as well as the other sides. For this problem, we are given angle B. Therefore, the correct answer among the choices given is option 1 where a is equal to 5 and c is equal to 3.
guajiro [1.7K]3 years ago
8 0

Answer:

d on edge

Step-by-step explanation:

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Surface area of hemisphere with diameter of 18
saul85 [17]

Answer:

In terms of pi: 243\pi

in decimal form: 763.407

Step-by-step explanation:

to find surface area of a hemisphere the formula is,

3\pi r^{2}

diameter (d) = 18

radius = d / 2 = 18 / 2

radius = 9

3\pi (9)^{2} \\3\pi (81)\\243\pi \\OR\\763.407

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1 year ago
What is (–34.67)0 simplified
Leokris [45]
The answer should be 1


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Anestetic [448]

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4 0
3 years ago
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stealth61 [152]

Answer:

y = 7 - 2x/3

Step-by-step explanation:

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6 0
3 years ago
Choose the best description for the real number 34 over 3 .
ycow [4]

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Step-by-step explanation: Hope this helps !

7 0
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