Answer:
$10.80
Step-by-step explanation:
1. Multiply $12 X 10%
2. convert 10% to decimal = .10
3. 12 X .10 = 1.20
4. Subtract 1.20 from 12
5. 12-1.20 = 10.80
A=1/2bh
b=8+h
A=384
384=1/2(bh)
times 2
768=bh
sub
768=b(8+b)
768=8b+b^2
minus 768 both sides
0=b^2+8b-768
factor
0=(b-24)(b+32)
set to zero
b-24=0
b=24
b+32=0
minus 32
b=-32
false, legnths cannot be negative
b=24
24=8+h
minus 8
16=h
base=24ft
altetude=16ft
The length of a rectangle is 12 inches more than its width. What is the width of the rectangle if the perimeter is 42 inches?
x best represents .
x + 12 best represents
Answer:
x<1.5
explanation: move 4 to other side subtract it with 26.5 then divide it by 15
Answer:$57.75
Step-by-step explanation:
Find the total amount of hours he worked
So, he worked 5.5h and he earns $10.50 an hour.
($10.50)(5.5h)=$57.75
