14/100 = 0.14
0.14x72 = 10.08
Answer:
12.04
Step-by-step explanation:
add 8 and 9 by the power of two: 8^2+9^2
that equals to 145
find the square root of 145 and that equals to 12.04
ALL LINES CAN BE REPRESENTED IN THE FORM 
.
We know that:
and
Observe that:
So:
But we know that 
, so:
Since:
So the line is:
Answer:
$280
Step-by-step explanation:
Sell 24 pieces in 3 hours, so 8 pieces in 1 hour
in 7 hours 8*7 = 56 pieces, each for $5
56 piece cost 5^56 = $280
Answer:
(x, y) = (10, -5)
Step-by-step explanation:
3x + 9y = -15 (eq 1)
-5x - 9y = -5 (eq 2)
add equation 1 and 2
3x + 9y -5x -9y = -15 - 5
-2x = -20
x = 10
put value of x in equation 1
3(10) + 9y =-15
30 + 9y = -15
9y = -45
y = -5
