2 years ago

Two friends receive some money in the ratio 1 to 2.

Mathematics

2 answers:

igor_vitrenko [27]2 years ago

6 0

Answer:

£135

Step-by-step explanation:

£90 + £45

2:1

hope its correct and helped:)))))))))

Serjik [45]2 years ago

4 0

Answer:

135

Step-by-step explanation:

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Step-by-step explanation:

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2 years ago

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If x^2 - 6xy = z - 9y^2, make x the subject of the formula

alukav5142 [94]

$~~~~x^2-6xy=z-9y^2\\\\\implies x^2- 2\cdot x\cdot 3y + (3y)^2 - (3y)^2 = z-9y^2\\ \\\implies (x-3y)^2 -9y^2 = z-9y^2\\\\\implies (x-3y)^2 = z\\\\\implies x - 3y =\pm\sqrt z\\\\\implies x = 3y\pm\sqrt z$

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2 years ago

Simplify 5(x - 6).<br> 5x - 6<br> 0 5x - 30

Lesechka [4]

Answer:

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Step-by-step explanation:

If you use the distributive property then you would get 5x-30

If you factor you would get 5(x-6)

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2 years ago

What is the solution to this equation?

Orlov [11]

Answer:

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Step-by-step explanation:

Add 17 to the other side of the equal sign

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Then add 17 and -5

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2 years ago