Y+5=-11
-5 -5
Y= -16
Answer:-16
Answer:
$20
Step-by-step explanation:
Easy formula for these problems is new price divided by change in percent as decimal with 1 at begining. So for this problem it is 21.05/1.0525. You can then test your answer by muliply you answer by 1.0525.
Answer:
It would be 63
Step-by-step explanation:
This is because 9 x 7 = 63
Simple math.
Answer:
x and y = (2,-1)
Step-by-step explanation:
3x + 5y = -11
3x = -1 - 7y
-(-1 - 7y) + 5y = -11
y = -1
3x=-1-7x(-1)
x = 2
(x,y) = (2,-1)
-3x2+5x(-1) = -11
3x2+7x (-1) = -1
-11 = -11
-1 = -1
solution
x and y = (2,-1)
Trapizoid area formula = (b1+b2)/2×h
rectangle formula =l×w
trapizoid 1: (12+16)/2×5
trapizoid 2: (12+16)/2×5
rectangle: 10×12
solve
t1 + t2:
(12+16)/2×5
28/2×5
14×5=70 +70=
140 ft^2
r: 10×12=120ft^2
140-120=20ft^2 of wood
