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3 years ago

£1800 is invested for 3 years at 2% per year simple interest work out total interest

Mathematics

1 answer:

sweet [91]3 years ago

4 0

Answer:

£108

Step-by-step explanation:

the rule of the simple interest is:

I=PRT

P=£1800 R=0.02 T=3

I=1800×0.02×3

I=£108

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4 years ago

Which expression could be substituted for y in the second equation to find the value of x?

EastWind [94]

value of x is $x=-\frac{29}{4}$ and value of y is $y=-\frac{9}{2}$

Step-by-step explanation:

We need to find Which expression could be substituted for y in the second equation to find the value of x

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$2x-y=-10\,\,\,(1)2x - 3y= -1\,\,\,\,(2)$

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$2x-y=-10\\2(-\frac{29}{4})-y=-10\\-\frac{29}{2}-y=-10\\-y=-10+\frac{29}{2}\\ -y=\frac{-20+29}{2}\\ -y=\frac{9}{2}\\ y=-\frac{9}{2}$

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Keywords: System of equations

Learn more about System of equations at:

#learnwithBrainly

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