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Gwar [14]
3 years ago
5

Simplify: 2x+9-0.74x+2.24

Mathematics
1 answer:
liq [111]3 years ago
3 0
1.26x + 11.24 is the answer.
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How to factor 2x^2+x-15
nekit [7.7K]

Answer:

(2x - 5) • (x + 3)

Step-by-step explanation:

Step-1 : Multiply the coefficient of the first term by the constant   2 • -15 = -30


Step-2 : Find two factors of  -30  whose sum equals the coefficient of the middle term, which is   1 .


     -30    +    1    =    -29

     -15    +    2    =    -13

     -10    +    3    =    -7

     -6    +    5    =    -1

     -5    +    6    =    1    That's it


Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -5  and  6

                    2x2 - 5x + 6x - 15


Step-4 : Add up the first 2 terms, pulling out like factors :

                   x • (2x-5)

             Add up the last 2 terms, pulling out common factors :

                   3 • (2x-5)

Step-5 : Add up the four terms of step 4 :

                   (x+3)  •  (2x-5)

            Which is the desired factorization


Final result :

 (2x - 5) • (x + 3)

4 0
3 years ago
What is the gcf of 42 and 84
-BARSIC- [3]

Greatest Common Factor of 42 and 84. Greatest common factor (GCF) of 42 and 84 is 42.


7 0
4 years ago
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Which graph below shows a system of equations with no solution?
Radda [10]
Graph A.....parallel lines will have no solution because they never intersect
5 0
3 years ago
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Jared has total of 16 coins in his piggy bank consisting of only quarters and dimes the total value of all those coins is $3.10
4vir4ik [10]
The answer to the question

4 0
4 years ago
Which quadrant contains the point named by (2,-5)?
valentina_108 [34]
No idea hope you figure it out tho !!
maybe 3?
7 0
3 years ago
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