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Veronika [31]
2 years ago
7

Lin surveyed a class of sixth-graders asking how many hours they spend online every month.​

Mathematics
1 answer:
Blizzard [7]2 years ago
3 0

They spend about three hours a day online

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(3x^2-11x-4)-(x-2)(2x+3)
eduard

(3x2-11x-4)-(x-2)(2x+3)

Final result :

 x2 - 10x + 2

Step by step solution :

Step  1  :

Equation at the end of step  1  :

 (((3•(x2))-11x)-4)-(x-2)•(2x+3)

Step  2  :

Equation at the end of step  2  :

 ((3x2 -  11x) -  4) -  (x - 2) • (2x + 3)

Step  3  :

Trying to factor by splitting the middle term

3.1     Factoring  x2-10x+2

The first term is,  x2  its coefficient is  1 .

The middle term is,  -10x  its coefficient is  -10 .

The last term, "the constant", is  +2

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

Step-2 : Find two factors of  2  whose sum equals the coefficient of the middle term, which is   -10 .

     -2    +    -1    =    -3

     -1    +    -2    =    -3

     1    +    2    =    3

     2    +    1    =    3

Observation : No two such factors can be found !!

Conclusion : Trinomial can not be factored

Final result :

 x2 - 10x + 2

5 0
3 years ago
Write a number that has a value less than 4.7.
Elena-2011 [213]
0 to 4.6 plz mark brainliest
3 0
3 years ago
Read 2 more answers
Rachel works at a bookstore. On Tuesday, she sold twice as many books as she did on Monday. On Wednesday, she sold 6 fewer books
Mars2501 [29]
T=2M
W=T-6

M+T+W=19
M+2M+(T-6)=19
3M+(2M-6)=19
5M=19+6
5M=25
M=5
4 0
4 years ago
Joyce saved $90 on an item that was 75 % % off What was the original price?
Ilia_Sergeevich [38]
You do 90/.75 and you get $120
8 0
4 years ago
Geometry A unit 5 transformations
zlopas [31]

Answer:the answer should be 25

Step-by-step explanation:

all your should be mulipty and get your answer

5 0
3 years ago
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