How do u subtract (3x+5y-4)_(4×+11)

Answers

Answer 1

Answer: Distribute the negative sign to the 4x and 11 making it 3x+5y-4-4x-11 and combine like terms

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Each morning a deli worker has to make several pies and peel a bucket of potatoes. on Monday it took the worker 2 h to make the pies and an average of 1.5 min to peel each potato. on Tuesday the worker finished the work in the amount of time but it took 2.5 h to make the pies and an average of 1 min to peel each potato. about how many potatoes are in a bucket?• what qualities do you know and how are they related to each other?
• how can you use the known and unknown quantities to write an equation for this situation?

Answers

Let the number of Potatoes = P

On Monday the time spent was 2 hours + 1.5*P minutes
Convert the time to make the pies into minutes = 120 minutres
Therefore on Monday the worker took

120 + 1.5P minutes

On Tuesday the worker took 2.5 hours (150 minutes) + 1minute x P
ie
150 + P minutes

We are told that the times are the same therefore
120 + 1.5P = 150 + P
subtract P from both sides of the equation
120 + 0.5P = 150
Subtract 120 from both sides of the equation
0.5P = 30

Therefore P = 30/0.5 = 60

There are 60 potatoes in the bucket.

Which of the following allow electrons to flow easily?A. wood. B. plastic. C. copper. D. glass.NEED HELP NOW

Answers

copper because that's what wires are made from and they help transport electricity

Order from least to greatest 7.081 , 7.81 , 7.002 , 7.14

Answers

7.14,7.81,7.002,7.081

7.002, 7.081, 7.81, 7.14

Help me please i will help you too

Answers

Day 3 is A because it tell how many pieces of candies eaten in a minute.
Day 4 is 10 and 15 because the ratios go in a pattern by 5
Day 5 is D but I really dont know that one

Select the whether each function on the interval -2 ≤ x ≤ 4 has a maximum at x=-2, or increases.Option 1: f(x) has a maximum at x = -2
Option 2: f(x) increases

Answers

Answer:Certainly, let's discuss this in a more comprehensive manner at a college-level.

Option 1: f(x) has a maximum at x = -2

This statement suggests that within the interval -2 ≤ x ≤ 4, the function f(x) attains its highest value at the specific point x = -2. In mathematical terms, it implies that there exists a local maximum at x = -2, where the function experiences a critical point. Critical points are those where the derivative of the function is equal to zero, indicating a potential extremum (maximum or minimum). In this case, a maximum is asserted at x = -2, which means that as we approach this point from both the left and the right, the function increases, but as we move away from x = -2, it starts to decrease. It's important to note that this assertion is based on the assumption that the function possesses a local maximum at this specific x-value.

Option 2: f(x) increases

Option 2 claims that the function f(x) displays a continuous and consistent increase throughout the entire interval from -2 to 4. This means that as we progress from any value on the left side of the interval to any value on the right side, the function's output monotonically and steadily grows. There is no specific point within this interval where the function reaches a maximum; instead, it is characterized by an upward trend. This assertion aligns with the concept of a monotonically increasing function, where the derivative is non-negative or greater than zero over the entire interval. In essence, Option 2 posits that there is no local maximum within the specified range, and the function simply increases without reaching a peak.

To conclusively determine which option is valid, it's imperative to analyze the specific mathematical expression or data representing the function f(x) within the interval -2 ≤ x ≤ 4. A critical examination of the function's behavior, which can be ascertained from its graph, its derivative, or its rate of change, would provide concrete evidence as to whether it exhibits a maximum at x = -2 or continuously increases throughout the interval. Additionally, considering the context and nature of the function is essential in making an informed determination, as some functions may inherently possess certain characteristics that lead to either a local maximum or continuous growth.

Step-by-step explanation: give me brainlest pls

Answer:

Option 1: f(x) has a maximum at x = -2 is the correct answer.

Step-by-step explanation:

To determine whether each function on the interval -2 ≤ x ≤ 4 has a maximum at x=-2 or increases, we need to analyze the behavior of the function.

Let's start with Option 1: f(x) has a maximum at x = -2. In this case, if the function has a maximum at x = -2, it means that the function reaches its highest point at x = -2 and then decreases as we move away from that point.

Now let's consider Option 2: f(x) increases. If the function increases, it means that the function is getting larger as we move along the x-axis from left to right.

To determine whether each function has a maximum at x = -2 or increases, we need to analyze the behavior of the function on the given interval.

For example, let's say we have a function f(x) = x^2. If we plug in values within the given interval, we can observe the behavior of the function:

f(-2) = (-2)^2 = 4

f(0) = (0)^2 = 0

f(4) = (4)^2 = 16

From these calculations, we can see that the function f(x) = x^2 has a maximum at x = -2, as f(-2) = 4, and then it decreases as we move away from x = -2.

Therefore, for this specific function, Option 1: f(x) has a maximum at x = -2 is the correct answer.

To determine the behavior of other functions on the given interval, you will need to analyze their equations and calculate the corresponding values within the interval. By doing so, you can identify whether each function has a maximum at x = -2 or increases.

Remember, it is essential to consider the behavior of the function within the given interval to accurately determine whether it has a maximum at x = -2 or increases.

In triangle PQR, PR = 23mm, QR = 39mm, and m<R = 163 degrees. Find the area of the triangle to the nearest tenth.