3 years ago

What is the product of(-1/4)x(-3/7)?write your answer in the simplest fraction form.

Mathematics

1 answer:

Murrr4er [49]3 years ago

8 0

Is the 'x' a variable or multiplication ???

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Cindy earns $10.50 per hour working at a restaurant. On Friday, she spent 1 3/4 hours cleaning, 2 1/3 hours doing paperwork, and

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$61.25

All you have to do is add all the fractions and multiply it by 10.50

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3 years ago

At a football game, 12 people are wearing red jerseys and 15 people are wearing white jerseys. Write the ratio of red to white j

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Answer:

12:15 (simplified: 4:5)

12/15 (simplified: 4/5)

12 to 15 (simplified: 4 to 5)

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3 years ago

(-4)-(-2)-{(-5)-[(-7)+(-3)-(-8)]}

aleksklad [387]

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is one

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its just one i know trust me

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2 years ago

(x-1)(x-3)(x+5)(x+7)=297

mihalych1998 [28]

First simplify the expression into polynomial form,

$(x-1)(x-3)(x+5)(x+7)=297$

$x^4+8x^3-10x^2-104x+105=297$

$x^4+8x^3-10x^2-104x-192=0$

Now factor into,

$(x-4)(x+8)(x^2+4x+6)=0$

Which means the solutions are,

$x-4=0\implies\boxed{x_1=4}$

$x+8=0\implies\boxed{x_2=-8}$

and then two complex solutions because determinant of the third factor $D\lt0$ ,

$x^2+4x+6=0$

$x^2+4x+4=-2$

$(x+2)^2=-2\implies\boxed{x_3=i\sqrt{2}-2},\boxed{x_4=-i\sqrt{2}-2}$

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3 years ago

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