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slava [35]
3 years ago
6

Carter is solving this expression by factoring: 5x ^ 2 + 5x - 280 Which of the following represents the correct factors?

Mathematics
1 answer:
Alex17521 [72]3 years ago
8 0
This is the working but there are 2 other methods that can help you arrive to the same answer

You might be interested in
10, 7, 4, 1, -2 common ratio
saveliy_v [14]

Answer:

Step-by-step explanation:

common ratio is -3

10-3=7

7-3=4

4-3=1

etc

6 0
3 years ago
Read 2 more answers
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
I really need help it’s due in two days
Bumek [7]

Answer:

Step-by-step explanation:

The answer is "Impossible to solve" , because there is no rule for function at point x = 7 . The given function has domain ( - ∞ , 2 ) ∪ { 2 } ∪ ( 2 , 7 ) ⇒ 7 is not a part of domain!!!

8 0
3 years ago
. Kerry and Tya are sharing a pack of s tickers. Each girl gets 11 stickers. Write and solve a division equation to find how man
nata0808 [166]

Answer: 22 divided by 2 = 11

Step-by-step explanation:

7 0
4 years ago
Is (5,1) a solution to the equation 2x-y=11? Explain
grigory [225]
This is simple. Coordinate form is (x,y) so you would just plug in your values. 

2(5)-(1)=11

10-1 does not equal 11, so no it is not a solution.
7 0
4 years ago
Read 2 more answers
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