4x + 13y = 40
4x + 3y = -40
multiply second equation by -1
4x + 13y = 40
-4x - 3y = 40
add equations together
10y = 80
y = 8
put y in either original equation
4x + 3(8) = -40
4x + 24 = -40
subtract 24 from both sides
4x = 64
x=16
y=8
Answer:
either 2 or 1/2, depending on what the original shape was
Step-by-step explanation:
going from small to large it is clearly visible that 3 units of side length turn into 6 units. so, the scaling factor is 2.
going from large to small it is clear that 6 units of side length turn into 3 units. so, the scaling factor is 1/2.
Answer:
a1. 0.1
a2. 0.14
b1. 11.0
b2. 10.98
c1. 39.2
c2. 39.18
d1. 71.6
d2. 71.57
4. 10.5
5. No, the correct answer is 35.28 because the 4 would round down, not up.
6. Tu is correct because the 69¢ would make it round up, not down
Hope this helps :)
Answer:
6^3
Step-by-step explanation:
