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MArishka [77]
3 years ago
6

Please help0=2x²+x-15​

Mathematics
1 answer:
lys-0071 [83]3 years ago
5 0

Answer:

x=-5/2, x=3

Step-by-step explanation:2

2 * -15=-30

-6*5=-30

2x^2-6x+5x-15=0

2x(x-3)+5(x-3)=0

(2x+5)(x-3)=0

2x+5=0  x=-5/2

x-3=0  x=3

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An algebraic expression use to represent the number. One third subtracted from 3
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Answer:

m/3

Step-by-step explanation:

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a number m = m (variable)

One third of a number m= (one third)(a number m)= (13)(a variable)  = (13)

(m)= 13 m or m 3 since 13 m = m/3

4 0
3 years ago
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What is 18 plus -3/4?<br><br><br> help me or ur racist Lol
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Step-by-step explanation:

4 0
3 years ago
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Xander has 10 pieces of twine that he is using for a project. If each piece of twine is 1/3 yard long, what is the total length
vovikov84 [41]
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8 0
4 years ago
Someone please help for brainiest and thanks.. No fake answers or you get reported
bagirrra123 [75]

Hello from MrBillDoesMath!

Answer:

12/5


Discussion:

Note that 10 is a common denominator of both denominators:

9/5 = (9*2)/(5*2) = 18/10

- ( -6/10) = + (6/10)

So the original problem is equivalent to

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Thank you,

MrB

6 0
3 years ago
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