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Ksenya-84 [330]
3 years ago
7

X=2 And x+3^2 I do not understand

Mathematics
1 answer:
shepuryov [24]3 years ago
3 0

Answer:

11

Step-by-step explanation:

Pulg in 2 into the equation x+3^2

I dont know if theres supposed to be a parenthese like (x+3)^{2} but if there isn't then it would be 2+3^{2}  which is 2+9

if there is parenthese... it would be:

(2+3)^{2} = (5)^{2}=25

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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]

<u>Answer-</u>

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

<u>Solution-</u>

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.

4 0
2 years ago
Factor the expression completely over the complex numbers. y4 +16y2 + 64
Stolb23 [73]
1) Y x 4 + 32y + 64
2) factor out 4 from the expression so, 4(y+8y+16)
3) collect the like terms so, 4(9y+16)

Answer: 4(9y+16)
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2 years ago
Solve<br> 13/19-(-1/19)<br><br> a.-12/19<br> b.-14/19<br> c.14/19<br> d.12/19
mojhsa [17]

Answer:

C

Any time you have a subtraction and a negitive right next to eachother, it means to add. So, you would add 13 and 1 to get 14, then keep the denominator 19 to get 14/19.

Step-by-step explanation:

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2 years ago
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NeTakaya

Answer:

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Step-by-step explanation:

7 0
3 years ago
P = 2m + 2w solve for m
nirvana33 [79]
P = 2m + 2w

Add -2w on both sides of the equations

2m = p - 2w

Divide both sides by 2

2w = p      =      2m
 / 2                      /2

m = 1 / 2 p - w


5 0
3 years ago
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