306,34=8.50*x+75 |-75
231,34=8,50*x. |:8,50
27,22=x
Tabhita has to work 28 hours to be solvent for the tablet.
*She wants to save money to buy a tablet...*
Answer:
A.
exponential
Step-by-step explanation:
Exponential is best suited here because life span gradually increases from b to a over the years continuously. Whenever there is a continuous steady increase, exponential function is more suitable.
Logrithamic function will not suit because rate of change of log is 1/x and if x population is very large this will be almost equal to 0 which is not correct.
But exponential say a^x rate of increase= a^x log a and when a is small this will represent a slow steady state of increase.
Step function will not suit as step functions are discontinuous at every integral value, but the population function is a continuous function.
Absolute value function is suitable only for functions symmetrical about a particular value of x or y
But here there is no symmetry but steady increase. Hence exponential is the best suitable graph.
Answer:
Are needed 240 g of granola at 30% nuts and 360 g of granola at 15% nuts
Step-by-step explanation:
Let
x ----> the mass of one type of granola at 30% nuts
y ----> the mass of one type of granola at 15% nuts
Remember that
we know that
The system of linear equations that model this situation is
----> equation A
----> equation B
Solve the system of equations by graphing
Remember that the solution is the intersection point both lines
using a graphing tool
the solution is the point (240,360)
see the attached figure
therefore
Are needed 240 g of granola at 30% nuts and 360 g of granola at 15% nuts
Answer:
45
Step-by-step explanation:
You take 181-119=62 then 119-74=45 then the last one was 74, to check you add them all together and you should get 181, since sofia was the smallest she is 45lbs
