Answer:
x=2,x=7
Step-by-step explanation:
-3x^2+27x=42
x^2-9x+14=0
x^2-2x-7x+14=0
x*(xi2)-7(x-2)=0
(x-2)*(x-7)=0
x-2=0
x-7=0
x=2
x=7
Answer:
A graphing calculator is more accurate than graphing by hand. If the slope and/or y-intercept is a fraction or decimal, it is more difficult to accurately graph by hand.
Step-by-step explanation:
Answer:
The answer is

Step-by-step explanation:
The distance between two points can be found by using the formula

where
(x1 , y1) and (x2 , y2) are the points
From the question the points are
J( – 8,0) and K(1, 4)
The distance between them is

We have the final answer as

Hope this helps you
The central angles are equal...360/n in this case n=6 so the angles are all 60 degrees...
The arc lengths are the circumference of the pizzas. 4p" and 14p" respectively.
Answer:
240 km.
Step-by-step explanation:
The car travels 200km per hour. so multiply it by 1.2 and you get 240km.