Answer is -1/3

you would divide both sides by 18 to get the variable on its own and that would leave you with -6/18 and so you have to simplify it by dividing the numerator and denominator by the greatest common factor (6) to get your remaining simplified fraction of -1/3

5 0

3 years ago

What is the value of the number in the thousandths place 7.819

kvasek [131]

9 is in the thousandths place

5 0

2 years ago

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The measure of angle O is 7pi/6. The measure of its reference angle is.... ° and sin O is .....

scoray [572]

$\frac{7 \pi }{6}$ is in the 3rd quadrant... (It is also 210 degrees)
To find the reference angle (which is the distance to the x-axis)
$\frac{7 \pi }{6} - \pi = \frac{ \pi }{6}$ (or 30 degrees)

sin $\frac{ \pi }{6} = \frac{1}{2}$

6 0

3 years ago

(a) Find the perimeter of the shape below. (Take π =22/7)3cm3cm12cm20cm​

(a) Find the perimeter of the shape below. (Take π =22/7)3cm3cm12cm20cm