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3 years ago

Write an equation in point slope form using the following information

1 answer:

8 0

Because it parallel to y=2x-5 the slope m = 2.
Use the general form
Y-y1=m(x-x1)

Y-(-3)) =2(x-5)
Y+3 =2x-10)
Y = 2x -13
-

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Find x step by step (10 points)

AleksandrR [38]

Answer:

$\sqrt{(n-m)(n+m)}$ & $-\sqrt{(n-m)(n+m)}$

Step-by-step explanation:

1) Subtract $m^{2}$ from both sides. This should leave you with $x^{2}=n^{2}-m^{2}$ .

2) Square root both sides. This should leave you with $x=\sqrt{n^2-m^2}$ & $x=-\sqrt{n^2-m^2}$ .

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2 years ago

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soldier1979 [14.2K]

Answer:

x×3/5=30

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2 years ago

A girl scout troop sold cookies. If the girls sold 5 more boxes the second week than they did the first, and if they double the

valina [46]

Answer:

Boxes sold first week = 104

Boxes sold second week =x+5= 104+5=109

Boxes sold third week = 109 times 2= 218

Step-by-step explanation:

Let x be the number of boxes sold in first week

the girls sold 5 more boxes the second week

So number of boxes sold in second week is x+5

they double the sales of the second week for the third week

So number of boxes sold in third week is 2 (x+5)

Total boxes sold is 431

$x+x+5+2(x+5)=431$

$x+x+5+2x+10=431$

$4x+15=431$

subtract 15 from both sides

$4x=416$

divide by 4 on both sides

$x=104$

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Boxes sold second week =x+5= 104+5=109

Boxes sold third week = 104 times 2= 218

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2 years ago