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Nitella [24]
3 years ago
15

Formulating and solving inverse variation functions

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
7 0

Answer:

See below.

Step-by-step explanation:

A. k = 50 * 3.6 = 180.

B. The equation is y = 180/x.

C. When x = 75, y = 180/75

= 2.4.

D.  Checking C:  2.4 = 180/75 = 2.4. Correct

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Which of these tables could represents quadratic function?
myrzilka [38]

When values of a quadratic function are listed in a table with x-values having a constant difference, the y-vlaues will have a constant (non-zero) second-difference.

Here, we can list first and second differences for the values in the given tables to identify the quadratic function.

Table 1.

  • 1st differences: 3, 3, 3, 3
  • 2nd differences: 0, 0, 0, 0 . . . . this is a linear function

Table 2.

  • 1st differences: -6, -2, 2, 6
  • 2nd differences: 4, 4, 4 . . . . this is a quadratic function

Table 3.

  • 1st differences: 5, -8, -3, -3
  • 2nd differences: -13, 5, 0 . . . . can be described by a 4th degree polynomial

Table 4.

  • 1st differences: 3, 0, -3, -3
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___

The appropriate choice is Table 2.

4 0
2 years ago
Section 2 Topic 3 Homework
VMariaS [17]

Answer:

65$

Step-by-step explanation:

Section 2 Topic 3 Homework

Question 2 of 4

Miguel spends $100 on books, five of which are hardcover and the remaining four are paperback. The prices at the bookstore are based

on whether the book is hardcover or paperback. It charges $2 less for paperback books than for hardcover books. What is the price for

hardcover books?

4 0
2 years ago
Simplified please SHOW WORK
jasenka [17]

Answer:

sorry for blurred image........

Step-by-step explanation:

hope it helps

8 0
3 years ago
In a certain card game you draw one card off a standard deck of 52 cards. If you draw a spade you get paid $12, if you draw a re
Mariulka [41]

Step-by-step explanation:

In a standard deck of 52 cards, there are 2 red aces, 2 red Queens, and 13 spades.  That leaves 35 cards for everything else.

For the game to be fair, the cost must equal the expected value.  The expected value is the sum of each outcome times its probability.

C = (12) (13/52) + (20) (2/52) + (38) (2/52) + (0) (35/52)

C = 68/13

C ≈ 5.2308

4 0
2 years ago
Which of the solution sets is all real numbers? |x| < -1 |x| = -1 |x| > -1?
charle [14.2K]
|x| > -1 represents all real numbers.
5 0
3 years ago
Read 2 more answers
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