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earnstyle [38]
3 years ago
14

Factorise 3x^2+13x+4 by splitting the middle term

Mathematics
1 answer:
mihalych1998 [28]3 years ago
4 0

Answer:

( x + 4 ) ( 3x + 1 )

Step-by-step explanation:

→ Identify the product, sum & factors

Product = 4

Sum = 13

Factors = 4 & 1

3x² + 12x + x + 4

→ Factorise 3x² + 12x and x + 4

3x² + 12x ⇔ 3x ( x + 4 )

x + 4 ⇔ 1 ( x + 4 )

→ Take out the ( x + 4 ) as a factor and ( 3x + 1 )

( x + 4 ) ( 3x + 1 )

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3 0
3 years ago
Marla owes her sister $15. She pays her $6 today. Which integer represents the amount of debt she has remaining?
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Answer:

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Step-by-step explanation:

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What are the steps for constructing a copy of an angle using only a compass and<br> a straightedge?
juin [17]

Answer:

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6 0
3 years ago
A clothing business finds there is a linear relationship between the number of shirts, Q ,it can sell and the price, P , it can
Vlad [161]

Answer:

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Step-by-step explanation:

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The linear equation is:

P = -0.004Q + 149

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Step-by-step explanation:

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