2 years ago

Given that:3x+2=2 and 5-6=y

Mathematics

1 answer:

sergeinik [125]2 years ago

8 0

3x+2=2
3x=0
x=0
5-6=y
y=-1

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Y_Kistochka [10]

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Step-by-step explanation:

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2 years ago

Solve the triangle. Round your answers to the nearest tenth. A. m∠A=43, m∠B=55, a=16 B. m∠A=48, m∠B=50, a=23 C. m∠A=48, m∠B=50,

alexgriva [62]

Answer:

D. m∠A=43, m∠B=55, a=20

Step-by-step explanation:

Given:

∆ABC,

m<C = 82°

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Required:

m<A, m<C, and a (BC)

SOLUTION:

Find m<B using the law of sines:

$\frac{sin(B)}{b} = \frac{sin(C)}{c}$

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$sin(B)*29 = sin(82)*24$

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$sin(B) = \frac{sin(82)*24}{29}$

$sin(B) = 0.8195$

$B = sin^{-1}(0.8195)$

$B = 55.0$

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Find m<A:

m<A = 180 - (82 + 55) => sum of angles in a triangle.

= 180 - 137

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Find a using the law of sines:

$\frac{a}{sin(A)} = \frac{b}{sin(B)}$

$\frac{a}{sin(43)43} = \frac{24}{sin(55)}$

Cross multiply

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$a = 20$ (approximated)

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change yrds to ft

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Choice A

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2 years ago

Help me plz if u dont post right answer i will report

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