Answer:
Your answer would be A and D hope this helps :)
Answer:
![y=-1.4x+9.6](https://tex.z-dn.net/?f=y%3D-1.4x%2B9.6)
Step-by-step explanation:
If A = (-3,-1) and B = (4,4), the slope of AB is
![\text{Slope}_{AB}=\dfrac{-1-4}{-3-4}=\dfrac{-5}{-7}=\dfrac{5}{7}](https://tex.z-dn.net/?f=%5Ctext%7BSlope%7D_%7BAB%7D%3D%5Cdfrac%7B-1-4%7D%7B-3-4%7D%3D%5Cdfrac%7B-5%7D%7B-7%7D%3D%5Cdfrac%7B5%7D%7B7%7D)
Two perpendicular lines have slopes that have product of -1:
![\text{Slopee}_{AB}\cdot \text{Slope}_{BC}=-1\\ \\\dfrac{5}{7}\cdot \text{Slope}_{BC}=-1\\ \\\text{Slope}_{BC}=-\dfrac{7}{5}=-1.4](https://tex.z-dn.net/?f=%5Ctext%7BSlopee%7D_%7BAB%7D%5Ccdot%20%5Ctext%7BSlope%7D_%7BBC%7D%3D-1%5C%5C%20%5C%5C%5Cdfrac%7B5%7D%7B7%7D%5Ccdot%20%5Ctext%7BSlope%7D_%7BBC%7D%3D-1%5C%5C%20%5C%5C%5Ctext%7BSlope%7D_%7BBC%7D%3D-%5Cdfrac%7B7%7D%7B5%7D%3D-1.4)
The equation of the line BC with slope -1.4 and passing through the point B(4,4) is
![y-4=-1.4(x-4)\\ \\y-4=-1.4x+5.6\\ \\y=-1.4x+9.6](https://tex.z-dn.net/?f=y-4%3D-1.4%28x-4%29%5C%5C%20%5C%5Cy-4%3D-1.4x%2B5.6%5C%5C%20%5C%5Cy%3D-1.4x%2B9.6)
Answer:
(This is for the pizza question)The area of the box is 900 cm, so subtract 900 cm from the area of the circle which is (3.14)[times radius which is 12(half of 24) squared] [144*3.14] So the area of the circle is 452.16 which you get from the area formula of pi times radius squared.
Step-by-step explanation:
Find the area of the box first, then subtract it by the area of the circle. (please thank me for it)
6 because if you multiply 2/3 by 6 it will give 4
Total of ratio 5+7=12
60/12 = 5
For boys 5x5 = 25 boys in her class
(For girls 7x5 = 35)