Answer:
l = 
Step-by-step explanation:
a = lb ( isolate l by dividing both sides by b )
= l
Answer:
390 ft^2
Step-by-step explanation:
We will break this shape into two rectangles, one that is 7 ft wide by 30 ft long
and the other that is 25ft-7ft wide by 30ft -20 ft long (18 ft by 10 ft)
1st: 7 ft by 30 ft
A = l*w = 7*30 = 210 ft^2
2nd: 18 ft by 10 ft
A = l*w = 18 * 10 = 180 ft^2
Add the areas together
210+180 = 390 ft^2
First you put a 1 under the 2.Then you multiply 85*2 and you get 170.Next you multiply 8.2*1 and you get 8.2.Finally, you divide 170 by 8.2 and get 20.73.
So, your answer to 85/8 times 8.2 = 20.73.
Hope that helped.
Answer:
(-3, 0) and (1, 0)
(0, 4)
Step-by-step explanation:
x-intercept is the point where y = 0.
y-intercept is the point where x = 0.
or points ...
f(x) = y = -4×|x + 1| + 8
let's start with the y-intercept (x = 0)
y = -4×1 + 8 = -4 + 8 = 4
the y-intercept point (only 1 point) is (0, 4).
for x = 0 the absolute value function contains 0+1. and that is always +1.
the x-intercept(s) :
0 = -4×|x + 1| + 8 (dividing by -4)
0 = |x + 1| - 2
|x + 1| = 2
because of the absolute value we have 2 possibilities :
+(x + 1) = 2
x + 1 = 2
x = 1
and
-(x + 1) = 2
-x - 1 = 2
-x = 3
x = -3
so the points of x-intercept are (-3, 0) and (1, 0)
Pretty sure X = 46956R, hope this helps!
