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3 years ago

5

Plz help D: I need help!!

2 answers:

lesya [120]3 years ago

5 0

Mohameds would be stronger

KiRa [710]3 years ago

3 0

Mohameds would be stronger.
That is because the unit rate for the amount up lemonade mix he puts in per water cup is greater than Sarah’s.
He puts 1 cup of lemonade mix in for every 2.5 cups of water.
But Sarah only puts 1 cup cup of lemonade mix in for every 5 cups of water.

Hope this helps :)

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Sales tax is 7% what is the amount of sales tax you would pay this bill

AleksAgata [21]

% means per 100

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on $50 7% would mean $3.5

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3 years ago

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likoan [24]

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4 years ago

Find the exact roots of x²-2x-10=4x

BARSIC [14]

Answer:

$x = 3 - \sqrt{19} \: \: or \: \: x = 3 + \sqrt{19}$

Step-by-step explanation:

The given equation is

${x}^{2} - 2x - 10 = 4x$

We group the linear terms to get:

${x}^{2} - 2x - 4x - 10 = 0$

${x}^{2} - 6x - 10 = 0$

We compare to

$a {x}^{2} + bx + c = 0$

This means

a=1, b=-6 and c=-10

We plug in the values into the quadratic formula:

$x = \frac{ - b \pm \sqrt{ {b}^{2} - 4ac} }{2a}$

This gives us

$x = \frac{ - -6 \pm \sqrt{ {( - 6)}^{2} - 4 \times 1 \times - 10 } }{2 \times 1}$

$x = \frac{ 6 \pm \sqrt{ 36 + 40 } }{2}$

$x = \frac{ 6 \pm \sqrt{76 } }{2}$

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The solutions are

$x =3 + \sqrt{19}$

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3 years ago

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vivado [14]

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3 years ago

Does anyone know it?

3241004551 [841]

It is the first one.

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3 years ago