D.) COLORFUL FLOWERS is the structural adaptation that some plants have to attract pollinators.
Answer:
inverse: y=sqrt(x)-9
domain: (0, +inf)
Step-by-step explanation:
y=(x+9)^2
sqrt(y)=x+9
x=sqrt(y)-9
inverse: y=sqrt(x)-9
domain: (0, +inf) bc you cant have a square root of a negative number
Answer:
800 mL
Step-by-step explanation:
Let b represent the amount of solution B added to 2400 mL of solution A. The total amount of alcohol (mL) in the mixture is ...
10%×2400 + 50%×b = 20%×(2400 +b)
multiplying by 100 to get rid of the % signs and simplifying, we have ...
24000 +50b = 48000 +20b
30b = 24000 . . . . . . . . . subtract 24000+20b
b = 800 . . . . . . . . . . . . . . divide by 30
Debra added 800 mL of 50% alcohol to her 2400 mL of 10% alcohol to make a 20% solution.