4500 ≤ 1400 + .05x, where x = sales
800 + .15s = 5000, where s = sales <-- this isn't an inequality, because it's asking for the exact amount of sales Ling needs to get.
(85+76+94+81+y)/5 ≥ 85, where y = next test score
Answer:
(5,6)
Step-by-step explanation:
-6x+6y=6
-6x + 3y =-12
Multiply the first equation by -1
6x-6y=-6
Add this to the second equation
6x-6y=-6
-6x + 3y =-12
---------------------
-3y = -18
Divide each side by -3
-3y/-3 = -18/-3
y =6
Now we need to find x
6x - 6y = -6
6x -6(6) = -6
6x -36 = -6
Add 36 to each side
6x-36+36 = -6+36
6x = 30
Divide each side by 6
6x/6 = 30/6
x =5
Answer:
48
Step-by-step explanation:
Let x equal the mystery number.
With the given information,
add 5 to both sides
x = 48 multiply both sides by -8
Answer:
The answer should be 55
Step-by-step explanation:
All triangles must = 180
70+55+55 = 180
Answer:
b
Step-by-step explanation:
you can tell because it cant be D or C because you cant go right on the y axis and up on the x axis. it cant be A because 5 is the x and 2 is the y. A says that 5 is the y and 2 is the x. so it has to be B.
