Dividing by a fraction means the same as multiplying by its reciprocal.
In other words, change the division sign to multiplication
and flip or take the reciprocal of the second fraction.
So we can rewrite 2/13 ÷ 1/6 as 2/13 × 6/1.
Now multiply across the numerators and denominators to get 12/13.
Answer:
<h3>
The mean is 3.74</h3>
Step-by-step explanation:
![\overline x =\dfrac{-3\cdot4+(-2)\cdot2+3\cdot1+4\cdot1+6\cdot4+8\cdot7}{4+2+1+1+4+7}\\\\\\\overline x =\dfrac{-12-4+3+4+24+56}{19}\\\\\\\overline x =\dfrac{71}{19}=3.7368421....\approx3.74](https://tex.z-dn.net/?f=%5Coverline%20x%20%3D%5Cdfrac%7B-3%5Ccdot4%2B%28-2%29%5Ccdot2%2B3%5Ccdot1%2B4%5Ccdot1%2B6%5Ccdot4%2B8%5Ccdot7%7D%7B4%2B2%2B1%2B1%2B4%2B7%7D%5C%5C%5C%5C%5C%5C%5Coverline%20x%20%3D%5Cdfrac%7B-12-4%2B3%2B4%2B24%2B56%7D%7B19%7D%5C%5C%5C%5C%5C%5C%5Coverline%20x%20%3D%5Cdfrac%7B71%7D%7B19%7D%3D3.7368421....%5Capprox3.74)
Yes (my answer need to be greater than 20 characters long so...Ahhhhh). A way to help you is see it as 4.1 and 4.0 because the # after the 1 aren't that important
Answer:
both are 75 degrees
Step-by-step explanation:
the angles add up to 180, as they are also vertical angles