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3 years ago

PLEASE PLEASE HELP ME IM DESPERATE

Mathematics

1 answer:

Tcecarenko [31]3 years ago

3 0

Answer:

B) (4x+1)

Step-by-step explanation:

-8x^3/-2x^2=4x and -2x^2/-2x^2=1, hence 4x+1.

-12x/-3=4x and -3/-3=1, hence 4x+1

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Y=x+4 Y=2x+6 Solve for x and y

gladu [14]

Answer:

X = -2

y = 2

Step-by-step explanation:

Substitute y=x + 4 in the second equation to find x

x+4 = 2x + 6

subtract x from both sides

4 = x + 6

subtract 6 from both sides

-2 = x

put -2 in for x in the first equation

y= 2

7 0

3 years ago

Please help me with this question ( im going to fail my classes-)

mafiozo [28]

Answer:

u will not fail i promise

Step-by-step explanation:

and the answer is the first becz we have to see the difference in arthimatic terms

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3 years ago

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3 values that would make this inequality true. 28+ x > 42

Mumz [18]

24, 36, 42 these aare answers that you can add to 28 that will give you something bigger then 42

4 0

3 years ago

4(x-3)=2(3x+1) 2 solve for x

Katarina [22]

Hi there!

Th' Eqn. is :-

4 (x - 3) = 2 (3x + 1)

=> 4x - 12 = 2 (3x + 1)

=> 4x - 12 = 6x + 2

Combine th' like terms :-

=> 4x - 6x = 2 + 12

=> - 2x = 14

=> x = $\dfrac {- 14}{2}$

=> x = - 7

Hence, The required answer is : x = - 7

~ Hope it helps!

3 0

3 years ago

What is the value of the discriminant of the quadratic equation −1 = 5x2 −2x, and what does its value mean about the number of r

joja [24]

The correct answer for this question is "The discriminant is equal to −16, which means the equation has no real number solutions."

 −1 = 5x2 −2x
5x2 −2x + 1 = 0

To get the discriminant value, use this formula
= b^2 - 4ac
= (-2)^2 - 4(5)(1)
= 4 - 20
= -16

3 0

3 years ago

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