an apple Orchard sells apples in bags of 10. the orchard sold a total of 2,430 apples one day. how many bags of apples was this

To find the solution for the equations, I will note the equation as I restate the original form. A number, n, (n) is summed with 15 subtracted from 3 times itself (+3n -15). The outcome is (=) 101. (101) Now, we will focus solely on what is contained within the parentheses. n + 3n -15 = 101. The properly formatted expression in your answers is: 3n - 15 + n = 101, as your initial response.

Response: Therefore, the connection with i hours being the independent variable is

Serena is unable to paint 400 square feet of wall area within 3.5 hours.

Detailed explanation:

It's provided that

The area she can paint = 60 square feet

Time taken = half an hour = 30 minutes = 0.5 hours

Applying the "Unitary method, it leads to

In 0.5 hours, she is capable of painting = 60 square feet

In 1 hour, she can paint =

In i hours, she is able to paint =

Let’s denote the total area she can paint as 'y'.

Thus, the connection with i hours treated as the independent variable would be

Now,  Can Serena paint 400 square feet of wall area in 3.5 hours

Substituting y = 400 and i = 3.5 hours helps us determine if they are equivalent.

Therefore, Serena cannot paint 400 square feet of wall space in 3.5 hours.

This statement is incorrect.
In f(3x), the input 'x' is multiplied by 3 prior to being substituted into the function.
Conversely, with 3f(x), the result (output) is multiplied by 3 after you have calculated the output from the input value.

Answer:

D.

Step-by-step explanation:

This function is piece-wise, meaning you will have two equations along with distinct domains. The equation x squared plus 3 illustrates a parabolic curve, while x plus 4 is depicted as a linear function. There is a specific reason why the point on the parabola is open at x equals 4; this signifies that the value does not satisfy the equation. Therefore, x cannot equal 4 for the parabola, so its domain is x less than 4. The closed point on the linear function indicates that when x is 4, it is part of the solution for that equation and graph. Consequently, the domain for the linear function is x greater than or equal to 4. Hope this clarifies things!