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Anna35 [415]
3 years ago
13

9. 8x3y2 – 7x2y + 8x + 4- 6x3y2 + 2x²y + 4x²y – 3x + 5

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
7 0

Answer:

Step-by-step explanationjvuvivuvhchchcucucicucucivucucucuvhvuvuvuvuvuvuvhvuugh high-fiving:

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Expand and simplify (x- 3)(x + 5)
s2008m [1.1K]

Answer:

{x}^{2}  + 2x - 15

Step-by-step explanation:

x(x + 5) - 3(x + 5) \\  =  \times  {x}^{2}  + 5x - 3x - 15 \\  =  {x}^{2}  + 2x - 15

3 0
3 years ago
What is bigger, 29/40, 7/10 or 3/5
Romashka-Z-Leto [24]
Place each fraction under a common denominator. Remember, the number you multiply to the denominator must also be multiplied to the numerator

29/40 = 29/40
7/10(4/4) = 28/40
3/5(8/8) = 24/40

As seen by the fractions above, the order is 24/40, 28/40, and 29/40, <em>or</em> placed in it's original form is 3/5, 7/10, 29/40.

29/40 is the greatest, and is your answer

hope this helps
8 0
4 years ago
What are two commonly used graphs to display the distribution of a sample of categorical​ dat?
allochka39001 [22]
Bar and a pie graph
5 0
3 years ago
hat is the average rate of change of f(x), represented by the table of values, over the interval [-2, 3]? x f(x) -6 2.5 -2 2.5 0
vodomira [7]
Your table of values is so difficult to read that many of us helpers would just skip your post.

<span>x f(x) -6 2.5 -2 2.5 0 2 2 0 3 5 5 2.5 1 0.5</span>  could be put into far clearer format as follows:

 x   f(x)
--  -----
-6  2.5
-2  2.5
and so on.  Please fix it.

The "average rate of change" formula is 

                  f(x2) - f(x1)
av r of c = ---------------
                     x2-x1

so if you go from (-6, 2.5) to (2.5, 10.5), the av r of c would be
                  
                 10.5 - 2.5            9        18
             ------------------ = -------- = -----
                 2.5-(-6)            8.5         17

This may or may not be your final answer.  Again, please put your data table into readable form and then find the av r of c over the interval [-2,3].
7 0
3 years ago
−5(2x − 23) = 2(x − 1) − 3 −5(2x − 23) = 2(x − 1) − 3
julsineya [31]

Answer:

x=10

Step-by-step explanation:

5 0
3 years ago
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