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Andrew [12]
2 years ago
11

Pls help me :(

Mathematics
1 answer:
Savatey [412]2 years ago
6 0

Answer:

Part A: A would be 126 while B would be 125 after 15 classes.

Part B: A would be 150 after 19 classes

Part C: A would be the best value of 126

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-42 + 3x = 60 + 9x
muminat

Answer:

x = -17

Step-by-step explanation:

-42 + 3x = 60 + 9x

3x = 60 + 42 +9x

3x = 102 + 9x

-9x + 3x = 102

-6x = 102

x = -17

4 0
4 years ago
0.25 as a simplified fraction
Umnica [9.8K]
1/4 because 0.25 is the same thing as 25/100. 25/100 simplified is 1/4
8 0
4 years ago
Which of the following polynomials has an even degree and a negative leading coefficient?
spin [16.1K]

Using limits, the polynomial that has an even degree and a negative leading coefficient is:

Polynomial going down from the left and passing through the point negative 7 comma 0 and going to a local minimum and then going up through the point negative 3 comma 0 and 0 comma 8 to a local maximum and then down to the right through the point 4 comma 0.

<h3>What is a limit?</h3>

A limit is given by the value of function f(x) as x tends to a value.

In this problem, to find the polynomial, we have to find the limits as x goes to infinity, hence:

\lim_{x \rightarrow -\infty} f(x) = [tex]\lim_{x \rightarrow -\infty} -a x^n

Since n is even, we have that:

  • \lim_{x \rightarrow -\infty} -a (-\infty)^n = -a \times \infty = -\infty
  • \lim_{x \rightarrow \infty} -a (\infty)^n = -a \times \infty = -\infty

Since it goes down to the left and down to the right, hence the function is:

Polynomial going down from the left and passing through the point negative 7 comma 0 and going to a local minimum and then going up through the point negative 3 comma 0 and 0 comma 8 to a local maximum and then down to the right through the point 4 comma 0.

More can be learned about limits at brainly.com/question/26270080

#SPJ1

4 0
2 years ago
What is the area of a triangle with vertices at (0, −2) , ​ (8, −2) ​ , and ​ (9, 1) ​ ?
Oxana [17]
Check the picture below.

recall that A = 1/2 bh.

7 0
3 years ago
Read 2 more answers
) Aubrey can walk 4 1/2 miles in 1/2 hours. Find the average speed in miles per hour.
svp [43]
1/2 hour = 30 mins
30 x 2 = 60 mins = 1 hour
4.5 x 2 = 9
9mph
4 0
4 years ago
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