Answer: 14 weeks
Step-by-step explanation:
Given
Kadin wants to buy a laptop of ![\$500](https://tex.z-dn.net/?f=%5C%24500)
He already saved
and started saving
each week
Suppose he saves for
weeks to get the laptop i.e.
![\Rightarrow 500=80+30x\\\Rightarrow 420=30x\\\Rightarrow x=14\ \text{weeks}](https://tex.z-dn.net/?f=%5CRightarrow%20500%3D80%2B30x%5C%5C%5CRightarrow%20420%3D30x%5C%5C%5CRightarrow%20x%3D14%5C%20%5Ctext%7Bweeks%7D)
So, he need to save for 14 weeks to buy the laptop
Y = - 2/3x + c , ( -9 , 7 )
7 = - 2/3 ( - 9 ) + c
c = 13
y = - 2/3x + 13
i am a mathematics teacher. if anything to ask please pm me
The "solution" has the form of a graph. First, graph the line y=6 using a dashed (not solid) line. Shade the plane below this line.
Next, graph y = x-3, using a dashed line. This line has a y-intercept of (0,-3) and a slope of 1. Shade the area above this line.
The solution set is the area that has been shaded twice, once for each of the 2 given inequalities.
Answer:
They are both 90 degrees.
Step-by-step explanation:
J’ai cliqué sur le lien qu'il m’a fallu à un site Web inconnu ?