Answer:
Step-by-step explanation:
Parallel lines have same slope.
y = mx + b
Slope = m & y-intercept = b
x - 5y = 15
-5y = -x + 15
y = ![\frac{-1}{-5}x + \frac{15}{-5}\\\\](https://tex.z-dn.net/?f=%5Cfrac%7B-1%7D%7B-5%7Dx%20%2B%20%5Cfrac%7B15%7D%7B-5%7D%5C%5C%5C%5C)
![y = \frac{1}{5}x - 3](https://tex.z-dn.net/?f=y%20%3D%20%5Cfrac%7B1%7D%7B5%7Dx%20-%203)
so, slope = 1/5 ; (-5 , 7)
y -y1 = m(x -x1)
![y - 7 = \frac{1}{5}(x- [-5])\\\\y - 7 =\frac{1}{5}(x + 5)\\\\y - 7 = \frac{1}{5}x+5*\frac{1}{5}\\\\y - 7 =\frac{1}{5}x+1\\\\y =\frac{1}{5}x+1+7\\\\y=\frac{1}{5}x + 8](https://tex.z-dn.net/?f=y%20-%207%20%3D%20%5Cfrac%7B1%7D%7B5%7D%28x-%20%5B-5%5D%29%5C%5C%5C%5Cy%20-%207%20%3D%5Cfrac%7B1%7D%7B5%7D%28x%20%2B%205%29%5C%5C%5C%5Cy%20-%207%20%3D%20%5Cfrac%7B1%7D%7B5%7Dx%2B5%2A%5Cfrac%7B1%7D%7B5%7D%5C%5C%5C%5Cy%20-%207%20%3D%5Cfrac%7B1%7D%7B5%7Dx%2B1%5C%5C%5C%5Cy%20%3D%5Cfrac%7B1%7D%7B5%7Dx%2B1%2B7%5C%5C%5C%5Cy%3D%5Cfrac%7B1%7D%7B5%7Dx%20%2B%208)
Answer:
Diameter = 7
Radius = 3.5
Step-by-step explanation:
Hi! Ace here.
So, the formula to find circumference is dπ or 2rπ
So to find the diameter, you do the circumference/π
To find the radius, you'd do the circumference/2π
Plug-in those numbers and there you go!
Hope this helps, let me know if you have any questions.
I know this was a very vague explanation so I encourage you to ask any questions. Thank you!
<em>11 2/5 mm³</em>
- Step-by-step explanation:
<em>Hi there ! </em>
<em />
<em>3 4/5mm³ = (3×5 + 4)/5 = (15 + 4)/5 = 19/5 mm³</em>
<em />
<em>19/5 mm³ ............. 1/3 box</em>
<em>x mm³ .......................1 box</em>
<em>x = 19/5×1 : 1/3</em>
<em>= 19/5 × 3/1</em>
<em>= 19×3/5</em>
<em>= 57/5</em>
<em>= 11 2/5 mm³</em>
<em />
<em>Good luck !</em>
Let c represent the number of children Mama has. The number of notebooks she has is
.. 13c +8 = 15c
.. 8 = 2c
.. c = 8/2 = 4
Mama has 4 children and 60 notebooks.