Answer:
x+y-10 -1
Step-by-step explanation:
if x is 3 and y is 6 then 3+6= 9
9-10=-1
Answer:
y=-9/8x+7
Step-by-step explanation:
Answer:
1/6 a cup on each bowl
Step-by-step explanation:
1/2 divided by 3 is 1/6
Basically looking for the x value of intersection of the two equations. Setting them equal,
2^x + 12 = 15x + 35, which you will get x = 7. Graph it out to get a visual solution.
The number of birds after 7 years would be 140, for both species.
Answer:
decrease of 29.6%
Step-by-step explanation:
The percentage change can be calculated as ...
percent change = ((new value)/(old value) -1) × 100%
= (38/54 -1) × 100%
= -0.2963 × 100%
= -29.6% . . . . . . . . . negative means decrease
54 to 38 is a decrease of 29.6%.