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padilas [110]
3 years ago
11

PLEASE HELP ME!!! Which of the following is the solution to the equation 4/5 n = 20? Question options: 1) n = 4 2) n = 12 3) n =

16 4) n = 25
Mathematics
2 answers:
MaRussiya [10]3 years ago
7 0

Answer:

4. n = 25

Step-by-step explanation:

To isolate n  we multiply both sides by 5/4

4/5 * 5/4 n = 20 * 5/4

1  *  n = 25

sweet [91]3 years ago
5 0

Answer:

4)n=25.

Step-by-step explanation:

To isolate n, divide both sides by 4/5.

20/.8=25

The answer is 4) n=25

Hope this helps!

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What is the effect on the graph of the function f(x) = x^2 when f(x) is changed to f(x − 6)
olya-2409 [2.1K]

Answer:

The comparison graph is also attached in 3rd figure. In the 3rd figure, the graph with vertex (0, 0) is representing f(x) = x^2 and \:f\left(x\right)=\left(x-6\right)^2 is represented as being shifted 6 units to the right as compare to the function f(x) = x^2.

Step-by-step explanation:

When we Add or subtract a positive constant, let say c, to input x, it would be a horizontal shift.  

For example:

Type of change               Effect on y = f(x)

y = f(x - c)                      horizontal shift: c units to right

So

Considering the function

f(x) = x^2

The graph is shown below. The first figure is representing f(x) = x^2.

Now, considering the function

\:f\left(x\right)=\left(x-6\right)^2

According to the rule, as we have discussed above, as a positive constant 6 is added to the input, so there is a horizontal shift, 6 units to the right.

The graph of \:f\left(x-6\right)=\left(x-6\right)^2 is shown below in second figure. It is clear that the graph of  \:f\left(x-6\right)=\left(x-6\right)^2  is shifted 6 units to the right as compare to the function f(x) = x^2.

The comparison graph is also attached in 3rd figure. In the 3rd figure, the graph with vertex (0, 0) is representing f(x) = x^2 and \:f\left(x\right)=\left(x-6\right)^2 is represented as being shifted 6 units to the right as compare to the function f(x) = x^2.

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