3 years ago

Factor completely 3x^2 − x − 4.

Mathematics

1 answer:

ozzi3 years ago

8 0

3x^2 − x − 4

factor

= (3x − 4)(x + 1)

answer

D. (3x − 4)(x + 1)

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Which is the most effective way to obtain a random sample of your school population

Ierofanga [76]

Ask every fifth person that exits the school
(systematic random)

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3 years ago

Solve the equation 4n = 9

aliina [53]

Answer:

n = 9/4 = 2.250

Step-by-step explanation:

Rearrange: 4*n-(9)=0

Solve: 4n-9 = 0

4n = 9

n = 9/4 = 2.250

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m_a_m_a [10]

Answer:

$x=-18$

Step-by-step explanation:

Given

$-x-x+11-2x=83$

Step 1: Combine Like Terms on LHS

$-x-x+11-2x=83\\-2x+11-2x=83\\-4x+11=83$

Step 2: Subtract 11 on both sides

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Step 3: Divide both sides by -4 to isolate the x-variable

$-4x=72\\\\\frac{-4x}{-4}=\frac{72}{-4}\\ \\ x=-18$

Final Answer

$x=-18$

7 0

2 years ago

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Help, is this correct?

Ronch [10]

Answer:

Yes good job!

Step-by-step explanation:

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3 years ago

How do i convert 6 cm cubed to meters cubed??

Svet_ta [14]

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3 years ago