Answer:
x = 0
Step-by-step explanation:
i) x - 11 + 1 < 15
x - 10 < 15
x < 10 + 15
x < 25
ii) x - 11 + 1 > 15
x - 10 > 15
x > 25
Therefore to compare (i) and (ii)
25 < x < 25
In any case, x = 0
Answer:
(x, y) = (3, 3)
Step-by-step explanation:
Subtract double the second equation from the first.
(2x +3y) -2(x +y) = (15) -2(6)
y = 3 . . . . . . . . simplify
Use the second equation to find x.
x = 6 -y = 6 -3 = 3
The values of x and y are both 3.
Answer:
18 inches.
Step-by-step explanation:
We can connect two points of a circle in many ways, as you can see in the picture below.
The longest straight line that you can draw to connect two points is the diameter, that is, the straight line that passes through the center of the circle.
If the circle has 9 inches of radius the diameter will be 9+9 = 18 inches.
Answer:
48.
Step-by-step explanation:
To find the missing number write out the equation :
67 + 65 + ? = 180.
67 + 65 = 132
To find out how much more we need you can minus 132 from 180.
180 - 132 = 48.
Plug it in to see if it works.
67 + 65 + 48 does equal 180.
Hope this helps,
Davinia.
Answer:
87 total hours.
Step-by-step explanation:
The equation 456/12 Gives you how many hours Sienna worked. (38)
642-480 will give you how much money Serena made off of Just OT (162)
162/18 = 9 (9 is how many overtime hours Serena worked.)
Serena worked her normal 40 hours, then worked over time, so you have to add 40 to the equation.
9+40+38 = 87
Serena and Sienna worked 87 total hours.