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3 years ago

Find the roots for (3x + 6) (x - 4) =0

Mathematics

1 answer:

baherus [9]3 years ago

7 0

The solved problem is in the photo. Hope it helps.

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Find the area. 7 m 4 m 4 m square meters

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Answer:

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3 years ago

A coupon subtracts 5.16 from the price p of a shirt. you pay 15.48 for the shirt after using the coupon. write and solve an eqau

DochEvi [55]

15.48 + 5.16 = p because you have to do the reverse. to find "p" you have to add the amount you subtracted.

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3 years ago

Find the equation of the locus of a point that moves so that its distance from the line 12x-5y-1=0 is always 1 unit.

leonid [27]

Answer-

The equations of the locus of a point that moves so that its distance from the line 12x-5y-1=0 is always 1 unit are

$12x-5y+14=0 \\ 12x-5y-14=0$

Solution-

Let a point which is 1 unit away from the line 12x-5y-1=0 is (h, k)

The applying the distance formula,

$\Rightarrow \left | \frac{12h-5k-1}{\sqrt{12^2+5^2}} \right |=1$

$\Rightarrow \left | \frac{12h-5k-1}{\sqrt{169}} \right |=1$

$\Rightarrow \left | \frac{12h-5k-1}{13} \right |=1$

$\Rightarrow 12h-5k-1=\pm 13$

$\Rightarrow 12h-5k=\pm 14$

$\Rightarrow 12h-5k=14,\ 12h-5k=-14$

$\Rightarrow 12h-5k-14=0,\ 12h-5k+14=0$

$\Rightarrow 12x-5y-14=0,\ 12x-5y+14=0$

Two equations are formed because one will be upper from the the given line and other will be below it.

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3 years ago

Can someone please help me with this problem

LenKa [72]

Answer:

the piont was 10.15 away from the that is dead see yea

Step-by-step explanation:

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3 years ago

(6.8 x 10^2) x (1.3 x 10^-3)

Leviafan [203]

Answer: (6.8 x 10^2) x (1.3 x 10^-3) = 0.884 $x^{2}$

Step-by-step explanation:

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3 years ago