Answer:
Answer can be found with the help of a calculator.
Step-by-step explanation:
Volume of sphere = 4/3 × pi × 3ft³
= Answer
So... let's change the concentration percentage to decimal format. .. so 40% is just 4/100 or 0.4 and so on.

so... whatever "x" and "y" may be, we know the must add up to 6 liters.
and whatever 0.4x and 0.8y are, we also know, they must add up to a 3 of concentrated amount.
thus

solve for "x", to see how much of the 40% solution will be needed.
what about "y"? well, y = 6 - x.
28%. Boom. :) this is the chance of getting one red heart
Answer:
working hypothesis.
Step-by-step explanation:
Hypothesis is a technique in mathematics used to identify between two events. The event is tested for hypothesis using the null hypothesis and an alternative hypothesis is set to compare the results. If there are more than one hypothesis then there is working hypothesis technique used to identify the conclusion.
Answer:
-0.258620689
Step-by-step explanation: