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aliina [53]
3 years ago
11

7)

Mathematics
1 answer:
Lady_Fox [76]3 years ago
3 0
They pay $10.74 each
You might be interested in
Lin counts 5 bacteria under a microscope. She counts them again each day for four days, and finds that the number of bacteria do
Liula [17]

Answer:

The population of bacteria can be expressed as a function of number of days.

Population = \[5*2^{n-1}\] where n is the number of days since the beginning.

Step-by-step explanation:

Number of bacteria on the first day=\[5 * 2^{0} = 5\]

Number of bacteria on the second day = \[5 * 2^{1} = 10\]

Number of bacteria on the third day = \[5*2^{2} = 20\]

Number of bacteria on the fourth day = \[5*2^{3} = 40\]

As we can see , the number of bacteria on any given day is a function of the number of days n.

This expression can be expressed generally as \[5*2^{n-1}\] where n is the number of days since the beginning.

6 0
3 years ago
She walks 2 minutes for every 5 she runs. If she walks for 12 minutes how many minutes does she spend running?
ehidna [41]
Answer:

I believe it is, 30 minutes of running.

Explanation:

If she spends 12 minutes walking, that means she’s done 6 ‘sets’ of two minutes.

Then, you just have to multiply 6 by 5 and then you get 30.
5 0
2 years ago
Look at the subtraction expression below.
Oksanka [162]
A.
Because the negatives cancel each other out to make a positive
7 0
2 years ago
The following system of equations can be used to find the roots of the equation x^3+72=5x^2+18x
Ivan
A graph shows the roots to be {-4, 3, 6}.

5 0
3 years ago
Mary creates a table of values for a function and plots the points. She finds that the difference in the y values is the same. W
gladu [14]

Answer:

Answer is: A(Linear)

Step-by-step explanation:

A linear function is a function whose graph is a straight line.

It is given that Mary plotted a graph and she found out that the difference in the y values is the same. So such a thing could happen when a function is a linear function.

since, a linear equation is given as:

y=ax+b where a and b are real numbers.

so for distinct values of x say x_{1},x_{2} we get the y-values as y_{1},y_{2}

now,

y_{1}-y_{2}=a(x_{1}-x_{2})

so for equally spaced x_{i}'s we get the difference in y-value to be equal.

Hence, the function is Linear.



7 0
3 years ago
Read 2 more answers
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