3 years ago

Whitch is the value of this expression when a=5 and k=-2

Mathematics

1 answer:

lana66690 [7]3 years ago

7 0

Answer:

25/9

Step-by-step explanation:

25/9

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Using the law of sines, find the solutions for the missing inputs.

SashulF [63]

$\frac{a}{ \sin(a) } = \frac{b}{ \sin(b) }$
$\frac{12}{ \sin(38) } = \frac{b}{ \sin(85) }$
$\frac{12}{ \sin(38) } = \frac{a}{ \sin(57) }$
$180 - (85 + 38) = 57$
$\frac{12}{ \sin(38) } = \frac{b}{ \sin(85) }$
$\sin(85) \times \frac{12}{ \sin(38) } = b$
$\sin(57) \times \frac{12}{ \sin(38) } = a$
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3 years ago

Ya+yv=t What is the solution for y

Gelneren [198K]

Answer:

y = $\frac{t}{a+v}$