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lora16 [44]
3 years ago
15

Which graph shows a system of equations with a solution at (-1,1)? A) B) C) D)

Mathematics
1 answer:
Arlecino [84]3 years ago
3 0

Answer:

{ \tt{the \: solution \: of \: above \: graph \: is \: ( - 1, \:  - 1.5)}}

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ankoles [38]
1 and 0 would also work for this inequality!
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Triangle ABC is a non-right triangle with Angle C = 117, a = 12, and b = 18. Find Angle B to the nearest tenth.
qwelly [4]

Using the law of cosines and sines, the measure of angle B is: 38.4°.

<h3>What is the Law of Cosines and Sines?</h3>

Law of cosines is: c = √[a² + b² ﹣ 2ab(cos C)]

Law of sines is: sin A/a = sin B/b = sin C/c

Use the law of cosines to find c:

c = √[12² + 18² ﹣ 2(12)(18)(cos 117)]

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Use the law of sines to find angle B:

sin B/b = sin C/c

sin B/18 = sin 117/25.8

sin B = (sin 117 × 18)/25.8

sin B = 0.6216

B = sin^(-1)(0.6216)

B = 38.4°

Learn more about the law of cosines on:

brainly.com/question/23720007

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What is 3/4 gallon in quarts?
Basile [38]

Answer:

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Step-by-step explanation:


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3 years ago
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Divide the numerator by the denominator so for example if you had 1/2 you would divide 1 by 2 to get 0.5
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