Answer:
96 (dollars)
Step-by-step explanation:
D represents the amount of money Andre has in his bank after w weeks. This formula is written as D(w) = 3w + 60 (dollars).
After 12 weeks, Andre will have accumulated D(12) = 3(12) + 60 dollars, or
36 + 60 dollars, or 96 dollars. This is answer choice B.
Answer:
Mass of the liquid in the tank will be 
Step-by-step explanation:
We have given volume of tar 
1 gallon = 3.785 liter
So 
Specific gravity = 1.2
Density of water 
We know that specific gravity 
Density of liquid 
So mass of liquid = volume × density
= 
So mass of the liquid in the tank will be
Given that the roots of the equation x^2-6x+c=0 are 3+8i and 3-8i, the value of c can be obtained as follows;
taking x=3+8i and substituting it in our equation we get:
(3+8i)^2-6(3+8i)+c=0
-55+48i-18-48i+c=0
collecting the like terms we get:
-55-18+48i-48i+c=0
-73+c=0
c=73
the answer is c=73
Answer:
120.0
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Step-by-step explanation:
Answer:
540
Step-by-step explanation:
1. We assume, that the number 900 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 900 is 100%, so we can write it down as 900=100%.
4. We know, that x is 3.5% of the output value, so we can write it down as x=3.5%.
5. Now we have two simple equations:
1) 900=100%
2) x=3.5%
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
900/x=100%/3.5%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.
7. Solution for what is 3.5% of 900
900/x=100/3.5
(900/x)*x=(100/3.5)*x - we multiply both sides of the equation by x
900=28.571428571429*x - we divide both sides of the equation by (28.571428571429) to get x
900/28.571428571429=x
31.5=x
x=31.5
now we have:
3.5% of 900=31.5
