2 years ago

8*(1/2)2 what will be the answer

Mathematics

1 answer:

Soloha48 [4]2 years ago

6 0

Answer: 8

Step-by-step explanation:

Simplify the expression.

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Help please ! thank u

KonstantinChe [14]

Given:

In triangle $ABC,m\angle A=138^\circ,c=19,a=29$ .

To find:

The $m\angle C$ .

Solution:

According to the law of sines:

$\dfrac{\sin A}{a}=\dfrac{\sin B}{b}=\dfrac{\sin C}{c}$

Taking $\dfrac{\sin A}{a}=\dfrac{\sin C}{c}$ , we get

$\dfrac{\sin 138^\circ}{29}=\dfrac{\sin C}{19}$

$\dfrac{0.66913}{29}\times 19=\sin C$

$0.4383959=\sin C$

Taking sin inverse on both sides, we get

$\sin{-1}0.4383959=C$

$26.001577^\circ=C$

$C\approx 26^\circ$

Therefore, the correct option is b.

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2 years ago

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2 years ago

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aniked [119]

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2 years ago

Log10(x^2+1)=1 .......

sesenic [268]

$2^{x} = 4 ----\ \textgreater \ x = log_{2}4

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2 years ago

Solve for x. -(-2–52)+(-2)=18 x=-18/5 x=90 x=18/5 x=-90

mars1129 [50]

Answer:

It should be x - 18/5

Step-by-step explanation:

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