3 years ago

Charlie bought 2 pounds of pears for $0.76 per pound and 2 pounds of grapes for $1.40 per pound. How much

Mathematics

1 answer:

Vedmedyk [2.9K]3 years ago

5 0

0.76 x 2 = 1.52
1.40 x 2 = 2.80
1.52 + 2.80= 4.32

Answer is 4 dollars and 32 cents

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A polynomial equation with rational coefficients has the roots 7 + *sqrt* 3 , 2 - *sqrt* 6. Find two additional roots.

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Answer:

option: A

Step-by-step explanation:

" if for a polynomial with rational coefficients has irrational roots then these irrational roots will always appear in pair " .

we are given that $7+\sqrt{3}$ and $2-\sqrt{6}$ are two roots of a polynomial equation with rational coefficients, then it's complex conjugate is also a root of this polynomial equation i.e. ' $7-\sqrt{3}$ ' and ' $2+\sqrt{6}$ ' are also roots of this polynomial equation.