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Natalija [7]
3 years ago
6

What expression is equivalent to -x + 5 - 13 + 12x

Mathematics
1 answer:
zvonat [6]3 years ago
6 0

Answer:

11x - 8

Step-by-step explanation:

If you have x- + 5 - 13 + 12x, all we are doing is combining like terms. First, 5 - 13 = -8. Then, -x + 12x is the same as doing 12x - x. That gives us 11x. The answer would be 11x - 8 when you put -8 and 11x together in the expression.

You might be interested in
2/3x - 1-4x + 5/6x = -20 solve for x
viva [34]

Answer:

x=7\frac{3}{5}

Step-by-step explanation:

\frac{2x}{3}-1-4x+\frac{5x}{6}=-20

\frac{2x-4xtimes3}{3}-1+\frac{5x}{6}=-20

-\frac{5x}{2}=-19

x=\frac{38}{5}

8 0
3 years ago
T(x) = 7x, t(x) = 49
lawyer [7]

Answer:

x = 7

Step-by-step explanation:

7 * x = 49

x = 49

um i dont really know what you meant but i hope this helps in some way!

3 0
3 years ago
Read 2 more answers
C.P=Rs 20,S.P =Rs24,profit​
mariarad [96]

CP=RS20

SP=RS24

NOW ‚

Profit=SP-CP

=Rs24-Rs20

=Rs4

8 0
3 years ago
Find the 15th term of this arithmetic sequence for 20,26,32,38,44
olga2289 [7]

Answer:

104

Step-by-step explanation:

There are two ways to do it, though we need to know how it is affected.

20+6=26

26+6=32

32+6=38

38+6=44

Thus, you are adding 6 for each term.

1. You do it manually...(yes.)

I'll number it one by one

1.20

2.26

3.32

4.38

5.44

6.50

7.56

8.62

9.68

10.74

11.80

12.86

13.92

14.98

15.104

The 15th term is 104.

2. This method is easier. As shown above, there is a pattern. We can apply it using this formula:
20+6(n-1)

You can get this formula from the facts that:
-you start off with an additional added 8

-you add 6 every time

-if we do it 6n then it would be incorrect, with an extra 6 for each

-the formula is correct; you can test it for terms 2,3,4,5 like this:

20+6=26

20+2x6=32

20+3x6=38

20+4x6=44

To find the 15th term, you can:

20+14x6=20+84=104.

5 0
2 years ago
Lionfish are considered an invasive species, with an annual growth rate of 67%. A scientist estimates there are 8,000 lionfish i
ICE Princess25 [194]

There would be 173,535 lionfish after 6 years.

Since lionfish are considered an invasive species, with an annual growth rate of 67%, ya scientist estimates there are 8,000 lionfish in a certain bay after the first year, A) to write the explicit equation for f (n) that represents the number of lionfish in the bay after n years; B) determine how many lionfish will be in the bay after 6 years; and C) if scientists remove 1,200 fish per year from the bay after the first year, determine what is the recursive equation for f (n); the following calculations must be performed:

  • A)
  • 8000 x 1.67 ^ n = f  
  • B)
  • 8000 x 1.67 ^ 6 = X
  • 8000 x 21.691961596369 = X
  • 173,535.692770952 = X  
  • C)
  • (8000 - 1200 x 1 ^ n) x 1.67 ^ n = f

Therefore, there would be 173,535 lionfish after 6 years.

Learn more about maths in brainly.com/question/25851847

4 0
2 years ago
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