2 years ago

Worth 10 points !!!!

Mathematics

1 answer:

Paraphin [41]2 years ago

4 0

We can’t really see the equation or the problem

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If 2/11x-2=-15/7 then

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Answer:

X= -15/7

Step-by-step explanation:

search up on photomath it's really useful

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3 years ago

5 less than the quotient of a number y and 2

Marta_Voda [28]

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(y/2) - 5

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*<br> Express the ratio 62:4 in the form n:1

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Solve the quadratic equation (2x-3)^2 = 6(3-2x)

LenKa [72]

Answer:

$x=\frac{3\sqrt{2}-3 }{2}$

$x=-\frac{3\sqrt{2}-3 }{2}$

Step-by-step explanation:

Open the brackets first:

$4x^2+9=18-12x$

Simplify:

$4x^2+12x-9=0$

It is determined that this can't be factored, so rewrite the equation so you can complete the square.

$x^2+3x=\frac{9}{4}$

Take the square of 1.5 and add it to both sides:

$x^2 + 3x+ \frac{9}{4} =\frac{9}4} +\frac{9}{4}$

Factor:

$(x+\frac{3}{2})^2=\frac{9}{2}$

$x+\frac{3}{2} = \frac{3\sqrt{2} }{2 }$

or $x+\frac{3}{2} =-\frac{3\sqrt{2} }{2}$

So $x=\frac{3\sqrt{2}-3 }{2}$

or $x=-\frac{3\sqrt{2}-3 }{2}$

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2 years ago

Felix is now six times as old as Debbie. In twelve years time Felix will be two times as old as Debbie. How old are they

Minchanka [31]

Step-by-step explanation:

let debbie be x years

let felix be 6x years

in 12 years felix will be 2x older than debbie

do the calc

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2 years ago