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3 years ago

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PLEASE HELP, TY IF YOU ANSER:)<3

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Taya2010 [7]3 years ago

6 0

X. . X. X. X. X. X x x x x. X x x x. X x. X x x

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One number is 1/2 of another the sum of the number is 72 find the numbers

Anton [14]

The answer for the question is 36 , 36

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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]

<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.

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2 years ago

Solve 3x-5=16<br> i need the answer this math

Juliette [100K]

The correct answer is 7. You add five to both sides then divide by three and you get 7 for x

4 0

3 years ago

Please answer this question. Your explanation does not need to have that much effort put into it. This is a 10 point question.

Elis [28]

Answer:

B and C

Step-by-step explanation:

3 2/5 times 7 = 23 4/5

3 2/5 times 10 = 34

The rest of the answers are incorrect

7 0

2 years ago

Read 2 more answers

Find xif 4; 4+2×;4+4× are in Geometric sequences

Ray Of Light [21]

Given:

$4,4+2x,4+4x$ are in geometric sequences.

To find:

The value of x.

Solution:

If a, b, c are in geometric sequences, then

$\dfrac{b}{a}=\dfrac{c}{b}$

$b^2=ac$ ...(i)

It is given that $4,4+2x,4+4x$ are in geometric sequences. By using (i), we get

$(4+2x)^2=(4)(4+4x)$

$4^2+2(4)(2x)+(2x)^2=(4)(4)+4(4x)$

$16+16x+4x^2=16+16x$

$4x^2=16+16x-16-16x$

On further simplification, we get

$4x^2=0$

$x^2=0$

$x=0$

Therefore, the value of x is 0.

7 0

3 years ago