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2 years ago

10

Peter is having a terrible day. On the way to school, he lost his lunch money.He figures if he can get 13 of his friends to each

give him a dime,he can buy a school lunch.How much does a school lunch cost?

1 answer:

kogti [31]2 years ago

3 0

lunch would be $1.30 because 13 x 10

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Answer:

Given is a sculpture that is built up of metal and wood, and the weight of this sculpture is 14.9 kilograms.

It says that three-fourth of the total weight is metal and says to find the weight of wooden part.

We can find the weight of metal part and then subtract it from the total weight to calculate the answer.

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Step-by-step explanation:

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timama [110]

ANSWER

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EXPLANATION

The quadratic equation is:

${y}^{2} - 6y - 12 = 0$

Group variable terms:

${y}^{2} - 6y = 12$

Add the square of half, the coefficient of y to both sides.

${y}^{2} - 6y + ( - 3) ^{2} = 12 + ( - 3) ^{2}$

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The LHS us now a perfect square trinomial:

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$y = 3 \pm \sqrt{21}$

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